750 FZUS51 KBOX 201103 CWFBOX Coastal Waters Forecast for Massachusetts and Rhode Island National Weather Service Boston/Norton MA 703 AM EDT Wed May 20 2026 Coastal waters from the Merrimack River MA to Watch Hill RI out to 60 NM ANZ200-210000- 703 AM EDT Wed May 20 2026 .Synopsis for Massachusetts and Rhode Island coastal waters... A strong cold front will cross the waters late Wed and Wed evening. Strong high pres builds over the Gt Lakes Thu and moves into the waters Fri. The high moves offshore by Sat as a frontal boundary approaches from the S. $$ ANZ250-210000- Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- 703 AM EDT Wed May 20 2026 .TODAY...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 4 seconds and SE 2 ft at 8 seconds. A slight chance of showers this afternoon. .TONIGHT...W winds 10 to 15 kt with gusts up to 20 kt, becoming N after midnight. Seas 2 to 3 ft. Wave Detail: W 2 ft at 4 seconds and SE 2 ft at 9 seconds. .THU...N winds 10 to 15 kt with gusts up to 20 kt, becoming E 5 to 10 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: NE 3 ft at 8 seconds and NW 2 ft at 3 seconds. .THU NIGHT...S winds around 5 kt, becoming N after midnight. Seas around 2 ft. Wave Detail: NE 2 ft at 7 seconds and W 1 foot at 3 seconds. .FRI...N winds 5 to 10 kt, becoming SE in the afternoon. Seas around 2 ft. Wave Detail: NE 2 ft at 7 seconds and W 1 foot at 3 seconds. .FRI NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: E 2 ft at 8 seconds and S 1 foot at 3 seconds. .SAT THROUGH SUN...E winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. A chance of showers. .SUN NIGHT...E winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. A chance of showers. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ251-210000- Massachusetts Bay and Ipswich Bay- 703 AM EDT Wed May 20 2026 .TODAY...W winds 10 to 15 kt. Gusts up to 20 kt this afternoon. Seas around 2 ft. Wave Detail: SW 2 ft at 3 seconds and SE 1 foot at 9 seconds. A slight chance of showers and tstms this afternoon. .TONIGHT...W winds 10 to 15 kt with gusts up to 20 kt, becoming NW after midnight. Seas around 2 ft. Wave Detail: W 2 ft at 3 seconds and SE 1 foot at 10 seconds. .THU...N winds around 10 kt, becoming E in the afternoon. Seas around 2 ft. Wave Detail: N 2 ft at 4 seconds. .THU NIGHT...S winds 5 to 10 kt, becoming N after midnight. Seas around 2 ft in the evening, then 1 foot or less. Wave Detail: NE 2 ft at 5 seconds and S 1 foot at 2 seconds, becoming NE 1 foot at 5 seconds. .FRI...NE winds 5 to 10 kt, becoming SE in the afternoon. Seas 1 foot or less, then around 2 ft in the afternoon. Wave Detail: W 1 foot at 2 seconds and NE 1 foot at 5 seconds, becoming S 1 foot at 3 seconds and NE 1 foot at 5 seconds. .FRI NIGHT...S winds 5 to 10 kt, becoming SW after midnight. Seas around 2 ft in the evening, then 1 foot or less. Wave Detail: S 1 foot at 3 seconds and E 1 foot at 6 seconds. .SAT THROUGH SUN NIGHT...E winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. A chance of showers. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ231-210000- Cape Cod Bay- 703 AM EDT Wed May 20 2026 .TODAY...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 3 seconds and SE 1 foot at 8 seconds. A slight chance of showers and tstms this afternoon. .TONIGHT...W winds around 10 kt, becoming N after midnight. Seas around 2 ft. Wave Detail: W 1 foot at 3 seconds and SE 1 foot at 10 seconds. A chance of showers. .THU...NE winds 5 to 10 kt. Seas around 2 ft. Wave Detail: NW 1 foot at 3 seconds and NE 1 foot at 11 seconds. .THU NIGHT...S winds around 5 kt, becoming NW after midnight. Seas 1 foot or less. Wave Detail: N 1 foot at 5 seconds. .FRI...NE winds 5 to 10 kt, becoming E in the afternoon. Seas 1 foot or less. Wave Detail: N 1 foot at 4 seconds. .FRI NIGHT...SW winds around 5 kt. Seas 1 foot or less. Wave Detail: S 1 foot at 3 seconds and NE 1 foot at 4 seconds. .SAT THROUGH SUN...E winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. A chance of showers. .SUN NIGHT...E winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. Showers likely. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ254-210000- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 NM- 703 AM EDT Wed May 20 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT... .TODAY...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. Wave Detail: SW 5 ft at 7 seconds and SE 1 foot at 15 seconds. Patchy fog this morning. A slight chance of showers and tstms this afternoon. Vsby 1 NM or less this morning. .TONIGHT...W winds 15 to 20 kt, becoming NW around 10 kt after midnight. Seas 3 to 5 ft. Wave Detail: W 5 ft at 6 seconds and SE 2 ft at 15 seconds. A chance of showers. Patchy fog in the evening with vsby 1 NM or less. .THU...N winds 10 to 15 kt, becoming NE 5 to 10 kt in the afternoon. Seas 2 to 4 ft. Wave Detail: NW 3 ft at 6 seconds and NE 2 ft at 11 seconds. .THU NIGHT...SE winds around 5 kt, becoming NW after midnight. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 6 seconds and NE 2 ft at 7 seconds. .FRI...NE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: NE 2 ft at 7 seconds and S 1 foot at 6 seconds. .FRI NIGHT...S winds around 5 kt. Seas around 2 ft. Wave Detail: E 2 ft at 7 seconds and S 1 foot at 6 seconds. .SAT AND SAT NIGHT...E winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. A chance of showers. .SUN AND SUN NIGHT...E winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. A chance of showers. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ255-210000- Coastal Waters extending out to 25 NM South of Marthas Vineyard and Nantucket- 703 AM EDT Wed May 20 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT... .TODAY...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 6 ft. Wave Detail: SW 6 ft at 7 seconds and SE 1 foot at 15 seconds. Patchy fog this morning with vsby 1 NM or less. .TONIGHT...W winds 15 to 20 kt, becoming NW 10 to 15 kt after midnight. Seas 3 to 5 ft. Wave Detail: SW 5 ft at 7 seconds and SE 1 foot at 15 seconds. Patchy fog. A chance of showers in the evening. Showers likely after midnight. Vsby 1 to 3 NM. .THU...NE winds 10 to 15 kt. Gusts up to 20 kt in the morning. Seas 2 to 4 ft. Wave Detail: SW 4 ft at 7 seconds and NE 3 ft at 11 seconds. A chance of showers in the morning. .THU NIGHT...E winds 5 to 10 kt, becoming N after midnight. Seas 2 to 3 ft. Wave Detail: S 2 ft at 6 seconds and E 2 ft at 7 seconds. .FRI AND FRI NIGHT...SE winds 10 to 15 kt. Seas around 2 ft. Wave Detail: S 2 ft at 6 seconds and NE 2 ft at 8 seconds. .SAT...E winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: SE 2 ft at 6 seconds and E 2 ft at 9 seconds. A chance of showers. .SAT NIGHT...E winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 4 ft. Showers likely. .SUN AND SUN NIGHT...E winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 6 ft. Showers likely. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ256-210000- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 NM South of Block Island- 703 AM EDT Wed May 20 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT... .TODAY...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 5 to 6 ft. Wave Detail: SW 6 ft at 7 seconds and SE 1 foot at 15 seconds. Patchy fog this morning. A slight chance of showers and tstms this afternoon. Vsby 1 to 3 NM this morning. .TONIGHT...W winds 10 to 15 kt with gusts up to 20 kt, becoming NW after midnight. Seas 4 to 5 ft. Wave Detail: SW 5 ft at 7 seconds and SE 2 ft at 15 seconds. Patchy fog. A chance of showers in the evening. Showers likely after midnight. Vsby 1 to 3 NM. .THU...NE winds 10 to 15 kt. Gusts up to 20 kt in the morning. Seas 3 to 4 ft. Wave Detail: SW 3 ft at 7 seconds and NE 2 ft at 9 seconds. A chance of showers in the morning. .THU NIGHT...SE winds 5 to 10 kt, becoming NE after midnight. Seas 2 to 3 ft. Wave Detail: S 2 ft at 7 seconds. .FRI AND FRI NIGHT...E winds 10 to 15 kt. Seas around 2 ft. Wave Detail: S 2 ft at 6 seconds and NE 2 ft at 8 seconds. .SAT AND SAT NIGHT...E winds 10 to 15 kt, increasing to 15 to 20 kt. Gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: SE 4 ft at 8 seconds and S 2 ft at 10 seconds. Showers likely. .SUN AND SUN NIGHT...E winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 6 ft. Showers likely. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ232-210000- Nantucket Sound- 703 AM EDT Wed May 20 2026 .TODAY...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: SW 3 ft at 4 seconds and SE 1 foot at 8 seconds. A slight chance of showers and tstms this afternoon. .TONIGHT...W winds 10 to 15 kt with gusts up to 20 kt, becoming N after midnight. Seas 2 to 3 ft. Wave Detail: W 3 ft at 4 seconds and SE 1 foot at 9 seconds. A chance of showers in the evening. Showers likely after midnight. Patchy fog in the evening with vsby 1 to 3 NM. .THU...NE winds 10 to 15 kt, diminishing to 5 to 10 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 6 seconds and NE 2 ft at 7 seconds. A chance of showers in the morning. .THU NIGHT...SE winds around 5 kt, becoming NW after midnight. Seas around 2 ft. Wave Detail: SW 1 foot at 5 seconds and E 1 foot at 5 seconds. .FRI...E winds 5 to 10 kt. Seas around 2 ft in the morning, then 1 foot or less. Wave Detail: NE 1 foot at 5 seconds and SW 1 foot at 6 seconds, becoming E 1 foot at 4 seconds and S 1 foot at 6 seconds. .FRI NIGHT...SE winds around 5 kt. Seas 1 foot or less. Wave Detail: SE 1 foot at 5 seconds. .SAT...E winds 5 to 10 kt. Seas around 2 ft. A chance of showers. .SAT NIGHT THROUGH SUN NIGHT...E winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 3 ft. Showers likely. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ233-210000- Vineyard Sound- 703 AM EDT Wed May 20 2026 .TODAY...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: SW 4 ft at 7 seconds and SE 1 foot at 14 seconds. A slight chance of showers and tstms this afternoon. .TONIGHT...W winds 10 to 15 kt with gusts up to 20 kt, becoming N after midnight. Seas 2 to 4 ft. Wave Detail: SW 4 ft at7 seconds and SE 1 foot at 13 seconds. A chance of showers and tstms in the evening, then showers likely after midnight. .THU...NE winds 10 to 15 kt, becoming E 5 to 10 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 7 seconds and NE 1 foot at 7 seconds. A chance of showers in the morning. .THU NIGHT...S winds 5 to 10 kt, becoming NW after midnight. Seas around 2 ft. Wave Detail: SW 2 ft at 6 seconds and E 1 foot at 7 seconds. .FRI AND FRI NIGHT...SE winds 5 to 10 kt. Seas around 2 ft. Wave Detail: E 1 foot at 6 seconds and SW 1 foot at 6 seconds. .SAT...E winds 10 to 15 kt. Seas around 2 ft. Wave Detail: S 1 foot at 7 seconds and SE 1 foot at 9 seconds. A chance of showers. .SAT NIGHT THROUGH SUN NIGHT...E winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 3 ft. Showers likely. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ234-210000- Buzzards Bay- 703 AM EDT Wed May 20 2026 .TODAY...SW winds 10 to 15 kt, increasing to 15 to 20 kt this afternoon. Gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: SW 3 ft at 6 seconds and SW 2 ft at 13 seconds. A chance of showers with a slight chance of tstms this afternoon. .TONIGHT...W winds 10 to 15 kt with gusts up to 20 kt, becoming N 5 to 10 kt after midnight. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 6 seconds and SE 1 foot at 12 seconds. A chance of showers. A chance of tstms in the evening. .THU...NE winds 5 to 10 kt. Seas around 2 ft. Wave Detail: NE 1 foot at 2 seconds and SW 1 foot at 6 seconds. .THU NIGHT...S winds 5 to 10 kt, becoming NW after midnight. Seas around 2 ft. Wave Detail: E 1 foot at 2 seconds and SW 1 foot at 6 seconds. .FRI...NE winds 5 to 10 kt, becoming E in the afternoon. Seas 1 foot or less. Wave Detail: NE 1 foot at 2 seconds and SW 1 foot at 6 seconds. .FRI NIGHT...S winds 5 to 10 kt, diminishing to around 5 kt after midnight. Seas 1 foot or less. Wave Detail: SE 1 foot at 3 seconds. .SAT...E winds 5 to 10 kt. Seas around 2 ft. A chance of showers. .SAT NIGHT THROUGH SUN NIGHT...E winds 15 to 20 kt. Seas 2 to 3 ft. Showers likely. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ235-210000- Rhode Island Sound- 703 AM EDT Wed May 20 2026 .TODAY...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. Wave Detail: SW 5 ft at 7 seconds and S 1 foot at 16 seconds. Patchy fog this morning. A chance of showers and tstms this afternoon. .TONIGHT...W winds 10 to 15 kt with gusts up to 20 kt, becoming N after midnight. Seas 3 to 4 ft. Wave Detail: SW 4 ft at 7 seconds and SE 1 foot at 15 seconds. A chance of showers and tstms in the evening, then showers likely after midnight. Patchy fog in the evening. .THU...NE winds 10 to 15 kt, becoming E in the afternoon. Seas 2 to 4 ft. Wave Detail: S 3 ft at 7 seconds and NE 2 ft at 12 seconds. A chance of showers in the morning. .THU NIGHT...S winds 5 to 10 kt, becoming NW after midnight. Seas 2 to 3 ft. Wave Detail: SE 2 ft at 7 seconds. .FRI AND FRI NIGHT...SE winds 10 to 15 kt. Seas around 2 ft. Wave Detail: S 2 ft at 6 seconds and NE 2 ft at 8 seconds. .SAT...E winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 7 seconds. A chance of showers. .SAT NIGHT...E winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 3 ft. Showers likely. .SUN AND SUN NIGHT...E winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. Showers likely. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ237-210000- Block Island Sound- 703 AM EDT Wed May 20 2026 .TODAY...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 4 ft. Wave Detail: SW 4 ft at 7 seconds and SE 2 ft at 10 seconds. A chance of showers and tstms this afternoon. .TONIGHT...W winds 10 to 15 kt with gusts up to 20 kt, becoming NW 5 to 10 kt after midnight. Seas 2 to 4 ft. Wave Detail: SW 4 ft at 7 seconds and SE 1 foot at 12 seconds. A chance of showers. A chance of tstms in the evening. Patchy fog in the evening. .THU...NE winds around 10 kt, becoming E in the afternoon. Seas 2 to 3 ft. Wave Detail: S 3 ft at 7 seconds and E 2 ft at 9 seconds. A chance of showers in the morning. .THU NIGHT...S winds 5 to 10 kt, becoming NE after midnight. Seas around 2 ft. Wave Detail: SE 2 ft at 7 seconds. .FRI...NE winds 5 to 10 kt, becoming SE in the afternoon. Seas around 2 ft. Wave Detail: S 2 ft at 6 seconds and E 2 ft at 7 seconds. .FRI NIGHT...SE winds 5 to 10 kt, diminishing to around 5 kt after midnight. Seas around 2 ft. Wave Detail: SE 2 ft at 7 seconds. A chance of showers after midnight. .SAT AND SAT NIGHT...E winds 10 to 15 kt, increasing to 15 to 20 kt. Gusts up to 25 kt. Seas 2 to 4 ft. Showers likely. .SUN AND SUN NIGHT...E winds 15 to 20 kt, diminishing to 10 to 15 kt. Gusts up to 25 kt. Seas 3 to 5 ft. Showers likely. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ230-210000- Boston Harbor- 703 AM EDT Wed May 20 2026 .TODAY...W winds 10 to 15 kt. Gusts up to 20 kt this afternoon. Waves around 2 ft. A chance of showers this afternoon. .TONIGHT...W winds 10 to 15 kt with gusts up to 20 kt, becoming NW after midnight. Waves around 2 ft in the evening, then 1 foot or less. .THU...N winds 5 to 10 kt, becoming E in the afternoon. Waves 1 foot or less. .THU NIGHT...S winds 5 to 10 kt, becoming N after midnight. Waves 1 foot or less. .FRI...NE winds 5 to 10 kt, becoming SE in the afternoon. Waves 1 foot or less. .FRI NIGHT...S winds 5 to 10 kt, becoming SW after midnight. Waves 1 foot or less. .SAT THROUGH SUN NIGHT...E winds 10 to 15 kt with gusts up to 20 kt. Waves around 2 ft. A chance of showers. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ236-210000- Narragansett Bay- 703 AM EDT Wed May 20 2026 .TODAY...SW winds 10 to 15 kt with gusts up to 20 kt. Waves 2 to 3 ft. A chance of showers and tstms this afternoon. .TONIGHT...W winds 5 to 10 kt, becoming N after midnight. Waves 2 to 3 ft. A chance of showers. A chance of tstms in the evening. .THU...N winds around 10 kt, becoming E in the afternoon. Waves around 2 ft. .THU NIGHT...S winds 5 to 10 kt, becoming N after midnight. Waves around 2 ft. .FRI AND FRI NIGHT...S winds 5 to 10 kt. Waves around 2 ft. .SAT...E winds 5 to 10 kt. Waves around 2 ft. A chance of showers. .SAT NIGHT THROUGH SUN NIGHT...E winds 10 to 15 kt with gusts up to 20 kt. Waves 2 to 3 ft. Showers likely. Winds and waves higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ280-210000- Ocean Waters from the Merrimack River to Plymouth from 40 to 60 NM- 703 AM EDT Wed May 20 2026 .TODAY...SW winds around 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. Wave Detail: W 5 ft at 7 seconds and SE 2 ft at 11 seconds. .TONIGHT...W winds 10 to15 kt, becoming N after midnight. Gusts up to 20 kt. Seas 3 to 4 ft. Wave Detail: W 4 ft at 6 seconds and SE 2 ft at 12 seconds. .THU...N winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt in the afternoon. Seas 3 to 4 ft. Wave Detail: N 4 ft at 4 seconds and SE 2 ft at 8 seconds. .THU NIGHT...SW winds around 5 kt, becoming NW after midnight. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 6 seconds and E 2 ft at 7 seconds. .FRI AND FRI NIGHT...W winds 5 to 10 kt. Seas around 2 ft. Wave Detail: NW 2 ft at 5 seconds and E 2 ft at 8 seconds. .SAT...SE winds around 5 kt. Seas around 2 ft. Wave Detail: SW 1 foot at 3 seconds and SE 1 foot at 10 seconds. .SAT NIGHT AND SUN...SE winds 5 to 10 kt, becoming E 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. A chance of showers. .SUN NIGHT...E winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. A chance of showers. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ281-210000- Ocean Waters from Provincetown to Nantucket from 20 to 60 NM- 703 AM EDT Wed May 20 2026 .TODAY...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 5 to 6 ft. Wave Detail: SW 6 ft at 7 seconds and SE 1 foot at 15 seconds. Patchy fog. Vsby 1 NM or less. .TONIGHT...W winds 15 to 20 kt, becoming NW 10 to 15 kt after midnight. Gusts up to 25 kt. Seas 4 to 6 ft. Wave Detail: SW 6 ft at 7 seconds and SE 1 foot at 15 seconds. Patchy fog. A chance of showers. Vsby 1 NM or less. .THU...N winds 10 to 15 kt. Gusts up to 20 kt in the morning. Seas 3 to 4 ft. Wave Detail: NW 4 ft at 6 seconds and NE 3 ft at 7 seconds. A chance of showers in the morning. .THU NIGHT...NE winds around 5 kt, becoming NW after midnight. Seas 2 to 4 ft. Wave Detail: SW 3 ft at 6 seconds and NE 2 ft at 7 seconds. .FRI...NE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 6 seconds and NE 2 ft at 8 seconds. .FRI NIGHT...S winds around 5 kt. Seas around 2 ft. Wave Detail: E 2 ft at 8 seconds and SW 1 foot at 6 seconds. .SAT AND SAT NIGHT...E winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. A chance of showers. .SUN...E winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. A chance of showers. .SUN NIGHT...E winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 6 ft. A chance of showers. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ282-210000- Ocean Waters from Marthas Vineyard to Nantucket from 25 to 60 NM- 703 AM EDT Wed May 20 2026 .TODAY...SW winds 15 to 20 kt with gusts up to 25 kt. Seas around 6 ft. Wave Detail: SW 6 ft at 7 seconds and SE 2 ft at 15 seconds. Patchy fog this morning with vsby 1 NM or less. .TONIGHT...SW winds 15 to 20 kt, becoming NW 10 to 15 kt after midnight. Gusts up to 25 kt. Seas 4 to 6 ft. Wave Detail: SW 6 ft at 7 seconds and SE 2 ft at 15 seconds. Patchy fog. A chance of showers. Vsby 1 NM or less. .THU...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft. Wave Detail: SW 4 ft at 7 seconds and E 3 ft at 9 seconds. A chance of showers. .THU NIGHT...NE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at 7 seconds and SW 2 ft at 6 seconds. .FRI AND FRI NIGHT...E winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 6 seconds and NE 2 ft at 7 seconds. .SAT...E winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 6 seconds. Showers likely. .SAT NIGHT...E winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. Showers likely. .SUN...E winds 15 to 20 kt with gusts up to 25 kt. Seas 5 to 7 ft. Showers likely. .SUN NIGHT...E winds 15 to 20 kt with gusts upto 25 kt. Seas 5 to 8 ft. Showers likely. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ283-210000- Ocean Waters from Montauk NY to Marthas Vineyard from 25 to 60 NM- 703 AM EDT Wed May 20 2026 .TODAY...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 5 to 6 ft. Wave Detail: SW 6 ft at 7 seconds and SE 2 ft at 14 seconds. Patchy fog this morning with vsby 1 NM or less. .TONIGHT...W winds 15 to 20 kt with gusts up to 25 kt, becoming NW 10 to 15 kt after midnight. Seas 4 to 6 ft. Wave Detail: SW 5 ft at 7 seconds and SE 2 ft at 15 seconds. Patchy fog. A chance of showers. Vsby 1 to 3 NM. .THU...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft. Wave Detail: SW 4 ft at 6 seconds and NE 3 ft at 9 seconds. A chance of showers. .THU NIGHT...E winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at 7 seconds and S 2 ft at 6 seconds. A chance of showers in the evening. .FRI...E winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. Wave Detail: NE 2 ft at 7 seconds and S 1 foot at 6 seconds. .FRI NIGHT...E winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SE 2 ft at 7 seconds. A chance of showers after midnight. .SAT...E winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. Showers likely. .SAT NIGHT AND SUN...E winds 20 to 25 kt with gusts up to 30 kt. Seas 5 to 8 ft. Showers. .SUN NIGHT...E winds 15 to 20 kt with gusts up to 25 kt. Seas 5 to 7 ft. Showers likely. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ For the latest updates...please visit our webpage at www.weather.gov/boston You can follow us on Facebook at www.facebook.com/us.nationalweatherservice.boston.gov You can follow us on Twitter at @NWSBoston  756 FZAK51 PAFG 201145 CWFNSB Coastal Waters Forecast for Arctic Alaska National Weather Service Fairbanks AK 345 AM AKDT Wed May 20 2026 Arctic Alaska Coastal Waters out 100 NM Wind forecasts reflect the predominant speed and direction expected. Sea forecasts represent the average of the highest one- third of the combined wind-wave and swell height. PKZ811-210200- Cape Thompson to Cape Beaufort out to 15 NM- 345 AM AKDT Wed May 20 2026 .TODAY...S winds 5 kt. Seas 3 ft subsiding. Fog. .TONIGHT...N winds 10 kt. Seas 3 ft. Fog. .THU...NE winds 10 kt. Seas 4 ft. Fog. .THU NIGHT...NE winds 15 kt. Seas 5 ft. .FRI...NE winds 20 kt. Seas 6 ft. .FRI NIGHT...NE winds 20 kt. Seas 6 ft. .SAT...NE winds 15 kt. Seas 3 ft. .SUN...NE winds 20 kt. Seas 3 ft. $$ PKZ812-210200- Cape Beaufort to Point Franklin out to 15 NM- 345 AM AKDT Wed May 20 2026 .TODAY...E winds 15 kt. Seas 4 ft. Fog. Light freezing spray. .TONIGHT...E winds 15 kt. Seas 3 ft. Fog. Light freezing spray. .THU...E winds 15 kt. Seas 4 ft. Fog. Light freezing spray. .THU NIGHT...E winds 20 kt. Seas 4 ft. Light freezing spray. .FRI...NE winds 20 kt. Seas 4 ft. Light freezing spray. .FRI NIGHT...NE winds 20 kt. Seas 4 ft. Light freezing spray. .SAT...NE winds 15 kt. Seas 4 ft. .SUN...NE winds 20 kt. Seas 4 ft. $$ PKZ813-210200- Point Franklin to Cape Halkett out to 15 NM- 345 AM AKDT Wed May 20 2026 .TODAY...E winds 15 kt. .TONIGHT...E winds 20 kt. .THU...E winds 15 kt. .THU NIGHT...E winds 20 kt. .FRI...E winds 15 kt. .FRI NIGHT...E winds 15 kt. .SAT...E winds 15 kt. .SUN...E winds 10 kt. $$ PKZ814-210200- Cape Halkett to Flaxman Island out to 15 NM- 345 AM AKDT Wed May 20 2026 .TODAY...E winds 20 kt. Fog. .TONIGHT...E winds 20 kt. Fog. .THU...E winds 20 kt. Fog. .THU NIGHT...E winds 20 kt. .FRI...E winds 20 kt. .FRI NIGHT...E winds 20 kt. .SAT...E winds 10 kt. .SUN...E winds 10 kt. $$ PKZ815-210200- Flaxman Island to Demarcation Point out to 15 NM- 345 AM AKDT Wed May 20 2026 .TODAY...E winds 15 kt. Fog. .TONIGHT...E winds 15 kt. Fog. .THU...E winds 15 kt. Fog. .THU NIGHT...E winds 20 kt. .FRI...E winds 20 kt. .FRI NIGHT...E winds 15 kt. .SAT...E winds 10 kt. .SUN...E winds 10 kt. $$ PKZ857-210200- Cape Thompson to Cape Beaufort from 15 to 85 NM- 345 AM AKDT Wed May 20 2026 .TODAY...E winds 10 kt becoming S. Fog. .TONIGHT...NE winds 10 kt. Fog. .THU...NE winds 10 kt. Fog. .THU NIGHT...NE winds 15 kt. .FRI...NE winds 20 kt. .FRI NIGHT...NE winds 15 kt. .SAT...NE winds 10 kt. .SUN...NE winds 15 kt. $$ PKZ858-210200- Cape Beaufort to Point Franklin from 15 to 85 NM- 345 AM AKDT Wed May 20 2026 .TODAY...E winds 20 kt. Seas 4 ft. Light freezing spray. .TONIGHT...E winds 15 kt. Seas 4 ft. Light freezing spray. .THU...E winds 15 kt. Seas 4 ft. Light freezing spray. .THU NIGHT...NE winds 20 kt. Seas 5 ft. Light freezing spray. .FRI...NE winds 20 kt. Seas 5 ft. Light freezing spray. .FRI NIGHT...NE winds 20 kt. Seas 4 ft. Light freezing spray. .SAT...NE winds 15 kt. Seas 4 ft. .SUN...NE winds 15 kt. Seas 3 ft. $$ PKZ859-210200- Point Franklin to Cape Halkett from 15 to 75 NM- 345 AM AKDT Wed May 20 2026 .TODAY...E winds 15 kt. .TONIGHT...E winds 15 kt. .THU...E winds 15 kt. .THU NIGHT...E winds 15 kt. .FRI...E winds 15 kt. .FRI NIGHT...E winds 15 kt. .SAT...E winds 10 kt. .SUN...E winds 10 kt. $$ PKZ860-210200- Cape Halkett to Flaxman Island from 15 to 80 NM- 345 AM AKDT Wed May 20 2026 .TODAY...E winds 20 kt. .TONIGHT...E winds 15 kt. .THU...E winds 20 kt. .THU NIGHT...E winds 20 kt. .FRI...E winds 20 kt. .FRI NIGHT...E winds 20 kt. .SAT...E winds 10 kt. .SUN...E winds 10 kt. $$ PKZ861-210200- Flaxman Island to Demarcation Point from 15 to 75 NM- 345 AM AKDT Wed May 20 2026 .TODAY...E winds 15 kt. Fog. .TONIGHT...E winds 15 kt. Fog. .THU...E winds 15 kt. Fog. .THU NIGHT...E winds 15 kt. .FRI...E winds 15 kt. .FRI NIGHT...E winds 15 kt. .SAT...E winds 10 kt. .SUN...E winds 10 kt. $$ May 26  794 FZAK52 PAFG 201146 CWFWCZ Coastal Waters Forecast for Northwest Alaska National Weather Service Fairbanks AK 346 AM AKDT Wed May 20 2026 Northwestern Alaska Coastal Waters out 100 NM Wind forecasts reflect the predominant speed and direction expected. Sea forecasts represent the average of the highest one- third of the combined wind-wave and swell height. PKZ801-210200- Etolin Strait to Dall Point out to 15 NM- 346 AM AKDT Wed May 20 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT... .TODAY...SE winds 25 kt. Seas 5 ft. .TONIGHT...E winds 25 kt. Seas 5 ft. .THU...E winds 25 kt. Seas 5 ft. .THU NIGHT...N winds 10 kt. Seas 2 ft. .FRI...NW winds 15 kt. Seas 5 ft. .FRI NIGHT...NW winds 15 kt. Seas 4 ft. .SAT...W winds 15 kt. Seas 4 ft. .SUN...W winds 15 kt. Seas 3 ft. $$ PKZ802-210200- Dall Point to Kwikpak Pass out to 15 NM- 346 AM AKDT Wed May 20 2026 .TODAY...SE winds 15 kt. Seas 4 ft. .TONIGHT...E winds 10 kt. Seas 3 ft. .THU...E winds 15 kt. Seas 3 ft. .THU NIGHT...N winds 10 kt. Seas 2 ft. .FRI...N winds 10 kt. Seas 2 ft. .FRI NIGHT...NW winds 10 kt. Seas 2 ft. .SAT...E winds 10 kt. Seas 2 ft. .SUN...N winds 10 kt. Seas 2 ft. $$ PKZ803-210200- Kwikpak Pass to Cape Stephens out to 15 NM- 346 AM AKDT Wed May 20 2026 .TODAY...E winds 15 kt. .TONIGHT...E winds 10 kt. .THU...E winds 10 kt. .THU NIGHT...NE winds 10 kt. .FRI...E winds 5 kt. .FRI NIGHT...E winds 5 kt. .SAT...NE winds 5 kt. .SUN...N winds 10 kt. $$ PKZ804-210200- Cape Stephens to Moses Point out to 15 NM- 346 AM AKDT Wed May 20 2026 .TODAY...E winds 15 kt. Seas 3 ft subsiding. .TONIGHT...E winds 5 kt. Seas 2 ft. .THU...E winds 15 kt. Seas 3 ft. .THU NIGHT...E winds 10 kt. Seas 2 ft. .FRI...SE winds 10 kt. Seas 3 ft. .FRI NIGHT...E winds 10 kt. Seas 2 ft. .SAT...SE winds 5 kt. Seas 2 ft. .SUN...W winds 10 kt. Seas 2 ft. $$ PKZ805-210200- Moses Point to Sledge Island out to 15 NM- 346 AM AKDT Wed May 20 2026 .TODAY...E winds 15 kt. Seas 3 ft. .TONIGHT...E winds 10 kt. Seas 2 ft. .THU...E winds 10 kt. Seas 3 ft. .THU NIGHT...NE winds 10 kt. Seas 2 ft. .FRI...E winds 5 kt. Seas 2 ft. .FRI NIGHT...E winds 5 kt. Seas 2 ft. .SAT...E winds 5 kt. Seas 1 foot. .SUN...W winds 5 kt. Seas 2 ft. $$ PKZ806-210200- Sledge Island to Wales out to 15 NM- 346 AM AKDT Wed May 20 2026 .TODAY...E winds 15 kt. Seas 3 ft. .TONIGHT...E winds 10 kt. Seas 3 ft. .THU...NE winds 10 kt. Seas 2 ft. .THU NIGHT...N winds 15 kt. Seas 3 ft. .FRI...N winds 20 kt. Seas 4 ft. .FRI NIGHT...N winds 15 kt. Seas 3 ft. .SAT...N winds 15 kt. Seas 3 ft. .SUN...N winds 15 kt. Seas 3 ft. $$ PKZ807-210200- Wales to Cape Espenberg out to 15 NM- 346 AM AKDT Wed May 20 2026 .TODAY...NE winds 10 kt. .TONIGHT...NE winds 10 kt. .THU...NE winds 10 kt. .THU NIGHT...N winds 15 kt. .FRI...N winds 15 kt. .FRI NIGHT...NW winds 15 kt. .SAT...N winds 10 kt. .SUN...NW winds 10 kt. $$ PKZ808-210200- Cape Espenberg to Motherwood Point out to 10 NM- 346 AM AKDT Wed May 20 2026 .TODAY...SE winds 5 kt becoming NE. .TONIGHT...NE winds 10 kt. .THU...NE winds 10 kt. .THU NIGHT...N winds 5 kt. .FRI...W winds 5 kt. .FRI NIGHT...N winds 5 kt. .SAT...N winds 10 kt. .SUN...NW winds 10 kt. $$ PKZ809-210200- Motherwood Point to Cape Krusenstern out to 10 NM- 346 AM AKDT Wed May 20 2026 .TODAY...SE winds 5 kt becoming NE. .TONIGHT...NE winds 10 kt. .THU...E winds 10 kt. .THU NIGHT...NE winds 10 kt. .FRI...SE winds 5 kt. .FRI NIGHT...W winds 10 kt. .SAT...W winds 10 kt. .SUN...W winds 15 kt. $$ PKZ810-210200- Cape Krusenstern to Cape Thompson out to 15 NM- 346 AM AKDT Wed May 20 2026 .TODAY...SE winds 5 kt. Fog. .TONIGHT...N winds 10 kt. Fog. .THU...N winds 10 kt. Fog. .THU NIGHT...N winds 10 kt. .FRI...N winds 10 kt. .FRI NIGHT...W winds 10 kt. .SAT...NW winds 10 kt. .SUN...NW winds 15 kt. $$ PKZ816-210200- South Side of Saint Lawrence Island out to 15 NM- 346 AM AKDT Wed May 20 2026 .TODAY...E winds 15 kt. Seas 4 ft. Fog. .TONIGHT...E winds 15 kt. Seas 4 ft. Fog. .THU...NE winds 15 kt. Seas 4 ft. Fog. .THU NIGHT...NE winds 15 kt. Seas 3 ft. .FRI...N winds 15 kt. Seas 3 ft. .FRI NIGHT...N winds 15 kt. Seas 3 ft. .SAT...N winds 10 kt. Seas 2 ft. .SUN...N winds 10 kt. Seas 2 ft. $$ PKZ817-210200- North Side of Saint Lawrence Island out to 15 NM- 346 AM AKDT Wed May 20 2026 .TODAY...E winds 15 kt. Seas 4 ft. Fog. .TONIGHT...E winds 15 kt. Seas 3 ft. Fog. .THU...NE winds 15 kt. Seas 4 ft. Fog. .THU NIGHT...NE winds 15 kt. Seas 4 ft. .FRI...N winds 15 kt. Seas 4 ft. .FRI NIGHT...N winds 15 kt. Seas 3 ft. .SAT...N winds 10 kt. Seas 3 ft. .SUN...N winds 10 kt. Seas 3 ft. $$ PKZ850-210200- Etolin Strait to Kwemeluk Pass from 15 to 90 NM- 346 AM AKDT Wed May 20 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT... .TODAY...SE winds 25 kt. Seas 5 ft subsiding. Rain showers and snow showers. .TONIGHT...E winds 25 kt. Seas 4 ft. .THU...E winds 20 kt. Seas 4 ft. .THU NIGHT...N winds 10 kt. Seas 2 ft. .FRI...N winds 10 kt. Seas 3 ft. .FRI NIGHT...NW winds 10 kt. Seas 3 ft. .SAT...N winds 10 kt. Seas 3 ft. .SUN...N winds 10 kt. Seas 2 ft. $$ PKZ851-210200- Southwest of Saint Lawrence Island from 15 to 100 NM- 346 AM AKDT Wed May 20 2026 .TODAY...E winds 15 kt. Fog. .TONIGHT...E winds 10 kt. Fog. .THU...NE winds 15 kt. Fog. .THU NIGHT...NE winds 15 kt. .FRI...N winds 10 kt. .FRI NIGHT...N winds 10 kt. .SAT...N winds 10 kt. .SUN...NE winds 10 kt. $$ PKZ852-210200- Norton Sound greater than 15 NM- 346 AM AKDT Wed May 20 2026 .TODAY...E winds 10 kt. Seas 3 ft. .TONIGHT...E winds 10 kt. Seas 2 ft. .THU...E winds 15 kt. Seas 3 ft. .THU NIGHT...NE winds 10 kt. Seas 2 ft. .FRI...E winds 10 kt. Seas 3 ft. .FRI NIGHT...E winds 5 kt. Seas 2 ft. .SAT...E winds 5 kt. Seas 2 ft. .SUN...W winds 5 kt. Seas 2 ft. $$ PKZ853-210200- Kwemeluk Pass to Kwikpak Pass from 15 to 90 NM- 346 AM AKDT Wed May 20 2026 .TODAY...SE winds 15 kt. Seas 4 ft. .TONIGHT...E winds 10 kt. Seas 3 ft. .THU...NE winds 10 kt. Seas 4 ft. .THU NIGHT...NE winds 10 kt. Seas 2 ft. .FRI...N winds 10 kt. Seas 2 ft. .FRI NIGHT...N winds 10 kt. Seas 2 ft. .SAT...N winds 10 kt. Seas 2 ft. .SUN...N winds 10 kt. Seas 2 ft. $$ PKZ854-210200- Sledge Island to Wales greater than 15 NM- 346 AM AKDT Wed May 20 2026 .TODAY...E winds 15 kt. Seas 4 ft. Fog. .TONIGHT...E winds 15 kt. Seas 3 ft. Fog. .THU...NE winds 15 kt. Seas 4 ft. Fog. .THU NIGHT...NE winds 15 kt. Seas 3 ft. .FRI...N winds 15 kt. Seas 4 ft. .FRI NIGHT...N winds 15 kt. Seas 3 ft. .SAT...N winds 15 kt. Seas 3 ft. .SUN...N winds 15 kt. Seas 3 ft. $$ PKZ855-210200- Kotzebue Sound greater than 10 NM- 346 AM AKDT Wed May 20 2026 .TODAY...SE winds 5 kt becoming NE. .TONIGHT...NE winds 10 kt. .THU...NE winds 5 kt. .THU NIGHT...N winds 5 kt. .FRI...W winds 5 kt. .FRI NIGHT...N winds 5 kt. .SAT...NW winds 10 kt. .SUN...NW winds 10 kt. $$ PKZ856-210200- Wales to Cape Thompson greater than 15 NM- 346 AM AKDT Wed May 20 2026 .TODAY...S winds 10 kt becoming NE. .TONIGHT...NE winds 10 kt. .THU...N winds 10 kt. .THU NIGHT...N winds 15 kt. .FRI...N winds 15 kt. .FRI NIGHT...N winds 15 kt. .SAT...N winds 10 kt. .SUN...NW winds 15 kt. $$ May 26  987 FZUS54 KHGX 201152 CWFHGX Coastal Waters Forecast for Texas National Weather Service Houston/Galveston TX 652 AM CDT Wed May 20 2026 Upper Texas coastal waters from High Island to the Matagorda Ship Channel out 60 nautical miles including Galveston and Matagorda Bays. Seas are provided as a range of the average height of the highest 1/3 of the waves...along with the occasional height of the average highest 10 percent of the waves. GMZ300-210045- 652 AM CDT Wed May 20 2026 .Synopsis For High Island to the Matagorda Ship Channel Out 60 NM including Galveston and Matagorda Bays. Thunderstorms are pushing offshore into the Gulf this morning. These storms will be capable of producing localized gales. Despite moving offshore, these storms could result in periods of gusty winds at the coast and bays this morning, possibly over 30 knots. Wind forecast this morning is more uncertain than normal. Storms should move out of the area later this morning. Otherwise, an unsettled weather pattern will persist into the weekend...with additional rounds of storms likely. Unfortunately, each individual complex will be difficult to time beyond 12 to 24 hours. During breaks in between systems, look for light to moderate onshore winds and 3-5 foot seas. $$ GMZ335-210045- Galveston Bay- 652 AM CDT Wed May 20 2026 .TODAY...Southeast winds 10 to 15 knots with gusts up to 20 knots, diminishing to around 10 knots this afternoon. Winds this morning could occasionally gust over 30 knots. Bay waters smooth. Showers and thunderstorms early this morning, then a chance of showers and thunderstorms late this morning and afternoon. .TONIGHT...Southeast winds 5 to 10 knots. Bay waters smooth. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. .THURSDAY...Southeast winds around 10 knots, becoming south 10 to 15 knots in the afternoon. Bay waters smooth, increasing to slightly choppy in the afternoon. Showers and thunderstorms likely. .THURSDAY NIGHT...South winds 10 to 15 knots. Bay waters slightly choppy. A chance of showers and thunderstorms. .FRIDAY...South winds 10 to 15 knots. Bay waters slightly choppy. Showers and thunderstorms. .FRIDAY NIGHT...Southeast winds 10 to 15 knots. Bay waters slightly choppy. A chance of showers and thunderstorms in the evening, then showers likely after midnight. .SATURDAY...South winds 10 to 15 knots. Bay waters slightly choppy. Showers likely with a chance of thunderstorms in the morning, then showers with thunderstorms likely in the afternoon. .SATURDAY NIGHT...Southeast winds 10 to 15 knots. Bay waters slightly choppy. A chance of thunderstorms. Showers. .SUNDAY...South winds 10 to 15 knots. Bay waters slightly choppy. A chance of thunderstorms. Showers. .SUNDAY NIGHT...Southeast winds 5 to 10 knots. Bay waters smooth. A chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight. Winds and waves higher in and near thunderstorms. $$ GMZ330-210045- Matagorda Bay- 652 AM CDT Wed May 20 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 AM CDT THIS MORNING... .TODAY...East winds 15 to 20 knots with gusts up to 25 knots, becoming southeast around 15 knots with gusts up to 20 knots this afternoon. Winds may gust over 30 knots this morning. Bay waters choppy, diminishing to slightly choppy this afternoon. Showers and thunderstorms early this morning, then a chance of showers and thunderstorms late this morning and early afternoon. .TONIGHT...Southeast winds 10 to 15 knots. Bay waters slightly choppy. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. .THURSDAY...Southeast winds 10 to 15 knots. Bay waters slightly choppy. Showers and thunderstorms. .THURSDAY NIGHT...Southeast winds 10 to 15 knots. Bay waters slightly choppy. A chance of showers and thunderstorms after midnight. .FRIDAY...South winds 10 to 15 knots. Bay waters slightly choppy. Showers and thunderstorms likely, mainly in the morning. .FRIDAY NIGHT...Southeast winds 10 to 15 knots. Bay waters slightly choppy. A chance of thunderstorms in the evening. A chance of showers. .SATURDAY...South winds 10 to 15 knots. Bay waters slightly choppy. Showers likely with a chance of thunderstorms in the morning, then showers with thunderstorms likely in the afternoon. .SATURDAY NIGHT...Southeast winds 10 to 15 knots. Bay waters slightly choppy. A chance of thunderstorms. Showers. .SUNDAY...South winds 5 to 10 knots. Bay waters smooth. Showers in the morning, then showers likely with a chance of thunderstorms in the afternoon. .SUNDAY NIGHT...Southeast winds 5 to 10 knots. Bay waters smooth. A chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight. Winds and waves higher in and near thunderstorms. $$ GMZ350-355-210045- Coastal waters from Freeport to Matagorda Ship Channel TX out 20 NM-Coastal waters from High Island to Freeport TX out 20 NM- 652 AM CDT Wed May 20 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 AM CDT THIS MORNING... .TODAY...East winds 15 to 20 knots with gusts up to 25 knots, becoming southeast around 15 knots with gusts up to 20 knots this afternoon. Seas 5 to 7 feet, occasionally to 9 feet, subsiding to 3 to 5 feet this afternoon. Wave Detail: Southeast 6 feet at 7 seconds, becoming southeast 5 feet at 7 seconds. Showers and thunderstorms early this morning, then a chance of showers and thunderstorms late this morning and early afternoon. .TONIGHT...Southeast winds 10 to 15 knots. Seas 2 to 4 feet. Wave Detail: Southeast 4 feet at 7 seconds. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. .THURSDAY...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 7 seconds. Showers and thunderstorms likely. .THURSDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 6 seconds. Showers and thunderstorms likely after midnight. .FRIDAY...South winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at 6 seconds. Showers and thunderstorms likely, mainly in the morning. .FRIDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at 6 seconds. A chance of thunderstorms in the evening. A chance of showers. .SATURDAY...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Showers likely with a chance of thunderstorms in the morning, then showers with thunderstorms likely in the afternoon. .SATURDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. A chance of thunderstorms. Showers. .SUNDAY...South winds 10 to 15 knots, diminishing to around 10 knots in the afternoon. Seas 3 to 4 feet. Showers in the morning, then showers likely with a chance of thunderstorms in the afternoon. .SUNDAY NIGHT...Southeast winds 5 to 10 knots. Seas around 3 feet. A chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight. Winds and seas higher in and near thunderstorms. $$ GMZ370-375-210045- Waters from Freeport to Matagorda Ship Channel TX from 20 to 60 NM-Waters from High Island to Freeport TX from 20 to 60 NM- 652 AM CDT Wed May 20 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 AM CDT THIS MORNING... .TODAY...East winds 15 to 20 knots with gusts up to 25 knots, becoming southeast around 15 knots with gusts up to 20 knots this afternoon. Seas 6 to 7 feet, occasionally to 9 feet, subsiding to 3 to 5 feet this afternoon. Wave Detail: Southeast 6 feet at 8 seconds, becoming southeast 5 feet at 7 seconds. A chance of showers and thunderstorms until late afternoon. .TONIGHT...Southeast winds around 10 knots. Seas 3 to 4 feet. Wave Detail: Southeast 4 feet at 7 seconds. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. .THURSDAY...Southeast winds 10 to 15 knots. Seas around 3 feet. Wave Detail: Southeast 3 feet at 7 seconds. Showers and thunderstorms likely. .THURSDAY NIGHT...South winds 10 to 15 knots. Seas around 3 feet. Wave Detail: Southeast 3 feet at 6 seconds. A chance of showers and thunderstorms after midnight. .FRIDAY...South winds 10 to 15 knots. Seas around 3 feet. Wave Detail: Southeast 2 feet at 6 seconds. Showers and thunderstorms likely, mainly in the morning. .FRIDAY NIGHT...Southeast winds 10 to 15 knots. Seas around 3 feet. Wave Detail: Southeast 3 feet at 6 seconds. A chance of thunderstorms in the evening. A chance of showers. .SATURDAY...Southeast winds 10 to 15 knots. Seas 3 to 4 feet. Showers likely with a chance of thunderstorms. .SATURDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to 4 feet. A chance of thunderstorms. Showers. .SUNDAY...South winds 10 to 15 knots. Seas 3 to 5 feet. A chance of thunderstorms. Showers. .SUNDAY NIGHT...Southeast winds 5 to 10 knots. Seas 3 to 4 feet. A chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight. Winds and seas higher in and near thunderstorms. $$  022 FZAK52 PAFC 201153 CWFALU Coastal Waters Forecast National Weather Service Anchorage Alaska 353 AM AKDT Wed May 20 2026 Coastal Waters Forecast for Southwest Alaska+Bristol Bay+The Alaska Peninsula Waters and the Aleutian Islands up to 100 nm out. Wind forecasts reflect the predominant speed and direction expected. Sea forecasts represent an average of the highest one-third of the combined wind wave and swell height. PKZ199-210115- 353 AM AKDT Wed May 20 2026 .SYNOPSIS FOR SOUTHWEST ALASKA+BRISTOL BAY+THE ALASKA PENINSULA WATERS AND THE ALEUTIAN ISLANDS... A 974 mb Bering low approaches from the west to about 120 nm SW of Adak and moves over the Aleutian Islands Wed night to 100 nm NE of Atka at 980 mb. By Thu afternoon the low pushes on to around 70 nm SW of Cape Newenham at 992mb before moving inland. $$ PKZ750-210115- Sitkinak to Castle Cape out to 15 NM- 353 AM AKDT Wed May 20 2026 ...SMALL CRAFT ADVISORY TONIGHT AND THURSDAY... .TODAY...SW wind 20 kt. Seas 4 ft. .TONIGHT...S wind 30 kt. Seas 8 ft. Widespread rain showers. .THU...S wind 30 kt. Seas 11 ft. Rain showers. .THU NIGHT...SW wind 30 kt. Seas 11 ft. .FRI...SW wind 20 kt. Seas 9 ft. .SAT...W wind 15 kt. Seas 5 ft. .SUN...W wind 20 kt. Seas 3 ft. $$ PKZ751-210115- Sitkinak to Castle Cape from 15 to 100 NM- 353 AM AKDT Wed May 20 2026 ...SMALL CRAFT ADVISORY TONIGHT AND THURSDAY... .TODAY...SW wind 20 kt. Seas 7 ft. .TONIGHT...S wind 30 kt. Seas 12 ft. .THU...SW wind 30 kt. Seas 16 ft. .THU NIGHT...SW wind 30 kt. Seas 18 ft. .FRI...SW wind 25 kt. Seas 16 ft. .SAT...W wind 20 kt. Seas 9 ft. .SUN...SW wind 25 kt. Seas 7 ft. $$ PKZ752-210115- Castle Cape to Cape Tolstoi out to 15 NM- 353 AM AKDT Wed May 20 2026 ...SMALL CRAFT ADVISORY TONIGHT AND THURSDAY... .TODAY...S wind 20 kt. Seas 4 ft. Rain. .TONIGHT...S wind 30 kt. Seas 8 ft. Widespread rain showers. .THU...S wind 30 kt. Seas 10 ft. Widespread rain showers. .THU NIGHT...SW wind 30 kt. Seas 10 ft. .FRI...SW wind 25 kt. Seas 7 ft. .SAT...NW wind 15 kt. Seas 4 ft. .SUN...SE wind 35 kt. Seas 4 ft. $$ PKZ753-210115- Castle Cape to Cape Tolstoi from 15 to 100 NM- 353 AM AKDT Wed May 20 2026 ...GALE WARNING TONIGHT AND THURSDAY... .TODAY...SW wind 15 kt becoming S 25 kt in the afternoon. Seas 7 ft. Rain. .TONIGHT...S wind 35 kt. Seas 13 ft. Rain. .THU...SW wind 35 kt. Seas 21 ft. .THU NIGHT...SW wind 30 kt. Seas 21 ft. .FRI...SW wind 25 kt. Seas 16 ft. .SAT...NW wind 20 kt. Seas 8 ft. .SUN...S wind 30 kt. Seas 8 ft. $$ PKZ754-210115- Cape Tolstoi to Cape Sarichef out to 15 NM- 353 AM AKDT Wed May 20 2026 ...GALE WARNING THROUGH THURSDAY... .TODAY...S wind 20 kt increasing to 35 kt in the afternoon. Seas 5 ft building to 10 ft in the afternoon. Rain. .TONIGHT...S wind 35 kt. Seas 14 ft. Widespread rain showers. .THU...SW wind 35 kt. Seas 15 ft. .THU NIGHT...SW wind 30 kt. Seas 13 ft. .FRI...W wind 30 kt. Seas 10 ft. .SAT...NW wind 20 kt. Seas 5 ft. .SUN...E wind 35 kt. Seas 9 ft. $$ PKZ755-210115- Cape Tolstoi to Unalga Pass from 15 to 100 NM- 353 AM AKDT Wed May 20 2026 ...GALE WARNING THROUGH THURSDAY... .TODAY...S wind 25 kt increasing to 40 kt in the afternoon. Seas 12 ft. Rain. .TONIGHT...S wind 40 kt. Seas 13 ft building to 19 ft after midnight. Widespread rain showers. .THU...SW wind 35 kt. Seas 23 ft. .THU NIGHT...SW wind 30 kt. Seas 20 ft. .FRI...W wind 30 kt. Seas 15 ft. .SAT...NW wind 20 kt. Seas 9 ft. .SUN...SE wind 35 kt. Seas 12 ft. $$ PKZ756-210115- Port Heiden to Nelson Lagoon out to 15 NM- 353 AM AKDT Wed May 20 2026 ...SMALL CRAFT ADVISORY THROUGH THURSDAY... .TODAY...S wind 15 kt becoming SE 25 kt in the afternoon. Seas 3 ft. .TONIGHT...SE wind 25 kt. Seas 4 ft. Rain. .THU...S wind 30 kt. Seas 4 ft. Rain showers. .THU NIGHT...SW wind 25 kt. Seas 9 ft. .FRI...SW wind 25 kt. Seas 6 ft. .SAT...W wind 15 kt. Seas 4 ft. .SUN...NE wind 20 kt. Seas 3 ft. $$ PKZ757-210115- Port Heiden to Nelson Lagoon from 15 to 60 NM- 353 AM AKDT Wed May 20 2026 ...SMALL CRAFT ADVISORY THROUGH THURSDAY... .TODAY...S wind 15 kt becoming SE 25 kt in the afternoon. Seas 5 ft. Rain. .TONIGHT...SE wind 30 kt. Seas 7 ft. Rain. .THU...S wind 30 kt. Seas 7 ft building to 11 ft in the afternoon. .THU NIGHT...SW wind 25 kt. Seas 12 ft. .FRI...SW wind 25 kt. Seas 8 ft. .SAT...W wind 15 kt. Seas 6 ft. .SUN...SE wind 25 kt. Seas 4 ft. $$ PKZ758-210115- Nelson Lagoon to Cape Sarichef out to 15 NM- 353 AM AKDT Wed May 20 2026 ...SMALL CRAFT ADVISORY THROUGH THURSDAY... .TODAY...S wind 20 kt becoming SE 30 kt in the afternoon. Seas 4 ft. Rain. .TONIGHT...S wind 30 kt. Seas 5 ft. .THU...S wind 30 kt. Seas 11 ft. Rain showers. .THU NIGHT...SW wind 30 kt. Seas 10 ft. .FRI...W wind 30 kt. Seas 9 ft. .SAT...W wind 20 kt. Seas 5 ft. .SUN...SE wind 30 kt. Seas 5 ft. $$ PKZ759-210115- Nelson Lagoon to Unalga Pass 15 to 70 nm- 353 AM AKDT Wed May 20 2026 ...GALE WARNING TODAY AND THURSDAY... .TODAY...S wind 25 kt becoming SE 35 kt in the afternoon. Seas 9 ft. Rain. .TONIGHT...S wind 30 kt. Seas 10 ft. Widespread rain showers. .THU...SW wind 35 kt. Seas 14 ft. .THU NIGHT...SW wind 30 kt. Seas 11 ft. .FRI...W wind 25 kt. Seas 11 ft. .SAT...W wind 15 kt. Seas 6 ft. .SUN...E wind 30 kt. Seas 9 ft. $$ PKZ768-210115- Unimak Pass- 353 AM AKDT Wed May 20 2026 ...GALE WARNING THROUGH TONIGHT... .TODAY...S wind 25 kt increasing to 35 kt in the afternoon. Seas 7 ft building to 11 ft in the afternoon. Rain. .TONIGHT...S wind 35 kt. Seas 15 ft. Widespread rain showers. .THU...SW wind 30 kt. Seas 15 ft. .THU NIGHT...SW wind 30 kt. Seas 12 ft. .FRI...W wind 25 kt. Seas 11 ft. .SAT...NW wind 20 kt. Seas 5 ft. .SUN...E wind 30 kt. Seas 11 ft. $$ PKZ770-210115- Unalga Pass to Nikolski Bering Side out to 15 NM- 353 AM AKDT Wed May 20 2026 ...GALE WARNING THROUGH TONIGHT... .TODAY...SE wind 35 kt. Seas 6 ft. Widespread rain showers. .TONIGHT...S wind 40 kt. Seas 12 ft. Widespread rain showers. .THU...SW wind 30 kt. Seas 11 ft. Rain showers. .THU NIGHT...W wind 30 kt. Seas 10 ft. .FRI...W wind 30 kt. Seas 10 ft. .SAT...NW wind 20 kt. Seas 5 ft. .SUN...E wind 40 kt. Seas 6 ft. $$ PKZ772-210115- Unalga Pass to Nikolski Bering Side from 15 to 85 NM- 353 AM AKDT Wed May 20 2026 ...GALE WARNING THROUGH THURSDAY... .TODAY...SE wind 35 kt. Seas 9 ft. Rain. .TONIGHT...S wind 35 kt. Seas 16 ft. Widespread rain showers. .THU...W wind 35 kt. Seas 13 ft. .THU NIGHT...W wind 30 kt. Seas 12 ft. .FRI...W wind 30 kt. Seas 11 ft. .SAT...NW wind 20 kt. Seas 6 ft. .SUN...E wind 35 kt. Seas 12 ft. $$ PKZ771-210115- Unalaska Bay- 353 AM AKDT Wed May 20 2026 ...SMALL CRAFT ADVISORY THROUGH THURSDAY... .TODAY...S wind 30 kt. Seas 3 ft building to 5 ft in the afternoon. Rain. .TONIGHT...S wind 25 kt. Seas 4 ft. Widespread rain showers. .THU...W wind 30 kt. Seas 4 ft. Widespread rain showers. .THU NIGHT...W wind 25 kt. Seas 4 ft. .FRI...W wind 20 kt. Seas 3 ft. .SAT...NW wind 15 kt. Seas 4 ft. .SUN...SE wind 30 kt. Seas 5 ft. $$ PKZ773-210115- Unalga Pass to Nikolski Pacific Side out to 15 NM- 353 AM AKDT Wed May 20 2026 ...GALE WARNING THROUGH THURSDAY... .TODAY...S wind 35 kt. Seas 12 ft. Rain. .TONIGHT...S wind 35 kt. Seas 19 ft. Widespread rain showers. .THU...SW wind 35 kt. Seas 19 ft. .THU NIGHT...W wind 30 kt. Seas 14 ft. .FRI...W wind 25 kt. Seas 10 ft. .SAT...NW wind 20 kt. Seas 4 ft. .SUN...E wind 40 kt. Seas 12 ft. $$ PKZ774-210115- Unalga Pass to Nikolski Pacific Side from 15 to 85 NM- 353 AM AKDT Wed May 20 2026 ...GALE WARNING THROUGH THURSDAY... .TODAY...S wind 40 kt. Seas 13 ft. Rain. .TONIGHT...S wind 40 kt. Seas 23 ft. Widespread rain showers. .THU...SW wind 35 kt. Seas 24 ft. .THU NIGHT...W wind 30 kt. Seas 17 ft. .FRI...W wind 30 kt. Seas 13 ft. .SAT...NW wind 20 kt. Seas 8 ft. .SUN...SE wind 35 kt. Seas 14 ft. $$ PKZ775-210115- Nikolski to Seguam Bering Side out to 15 NM- 353 AM AKDT Wed May 20 2026 ...GALE WARNING THROUGH THURSDAY... .TODAY...S wind 35 kt. Seas 14 ft. Widespread rain showers. .TONIGHT...SW wind 40 kt becoming W 30 kt after midnight. Seas 18 ft. .THU...W wind 35 kt. Seas 14 ft. .THU NIGHT...W wind 30 kt. Seas 11 ft. .FRI...W wind 25 kt. Seas 9 ft. .SAT...N wind 20 kt. Seas 5 ft. .SUN...E wind 40 kt. Seas 13 ft. $$ PKZ776-210115- Nikolski to Seguam Bering Side from 15 to 85 NM- 353 AM AKDT Wed May 20 2026 ...GALE WARNING THROUGH TONIGHT... .TODAY...S wind 35 kt. Seas 11 ft. Widespread rain showers. .TONIGHT...SW wind 35 kt. Seas 16 ft. .THU...W wind 30 kt. Seas 13 ft. .THU NIGHT...W wind 30 kt. Seas 11 ft. .FRI...W wind 25 kt. Seas 9 ft. .SAT...NW wind 20 kt. Seas 6 ft. .SUN...E wind 40 kt. Seas 14 ft. $$ PKZ777-210115- Nikolski to Seguam Pacfic Side out to 15 NM- 353 AM AKDT Wed May 20 2026 ...GALE WARNING THROUGH THURSDAY... .TODAY...S wind 40 kt. Seas 12 ft building to 17 ft in the afternoon. Widespread rain showers. .TONIGHT...SW wind 40 kt. Seas 23 ft. Rain showers. .THU...W wind 35 kt. Seas 19 ft. .THU NIGHT...W wind 25 kt. Seas 13 ft. .FRI...W wind 25 kt. Seas 9 ft. .SAT...N wind 20 kt. Seas 5 ft. .SUN...E wind 40 kt. Seas 14 ft. $$ PKZ778-210115- Nikolski to Seguam Pacific Side from 15 to 75 NM- 353 AM AKDT Wed May 20 2026 ...GALE WARNING THROUGH THURSDAY... .TODAY...S wind 45 kt. Seas 14 ft building to 19 ft in the afternoon. Widespread rain showers. .TONIGHT...SW wind 40 kt. Seas 25 ft. Rain showers. .THU...W wind 35 kt. Seas 22 ft. .THU NIGHT...W wind 30 kt. Seas 14 ft. .FRI...NW wind 25 kt. Seas 11 ft. .SAT...N wind 20 kt. Seas 7 ft. .SUN...SE wind 40 kt. Seas 17 ft. $$ PKZ780-210115- Seguam to Adak Bering Side out to 15 NM- 353 AM AKDT Wed May 20 2026 ...SMALL CRAFT ADVISORY THROUGH THURSDAY... .TODAY...SW wind 30 kt. Seas 6 ft. Rain. .TONIGHT...W wind 30 kt. Seas 9 ft. .THU...W wind 30 kt. Seas 9 ft. .THU NIGHT...W wind 25 kt. Seas 7 ft. .FRI...NW wind 20 kt. Seas 5 ft. .SAT...N wind 25 kt. Seas 3 ft. .SUN...NE wind 45 kt. Seas 14 ft. $$ PKZ781-210115- Seguam to Adak Bering Side from 15 to 85 NM- 353 AM AKDT Wed May 20 2026 ...SMALL CRAFT ADVISORY THROUGH THURSDAY... .TODAY...S wind 30 kt. Seas 9 ft. .TONIGHT...W wind 30 kt. Seas 9 ft. .THU...W wind 30 kt. Seas 10 ft. .THU NIGHT...W wind 25 kt. Seas 8 ft. .FRI...NW wind 20 kt. Seas 7 ft. .SAT...N wind 25 kt. Seas 5 ft. .SUN...NE wind 40 kt. Seas 15 ft. $$ PKZ782-210115- Seguam to Adak Pacific Side out to 15 NM- 353 AM AKDT Wed May 20 2026 ...GALE WARNING THROUGH TONIGHT... .TODAY...S wind 30 kt becoming SW 40 kt in the afternoon. Seas 12 ft building to 19 ft in the afternoon. Rain. .TONIGHT...W wind 35 kt. Seas 20 ft. .THU...W wind 30 kt. Seas 14 ft. .THU NIGHT...W wind 25 kt. Seas 10 ft. .FRI...NW wind 20 kt. Seas 7 ft. .SAT...NE wind 30 kt. Seas 5 ft. .SUN...NE wind 45 kt. Seas 16 ft. $$ PKZ783-210115- Seguam to Adak Pacific Side from 15 to 75 NM- 353 AM AKDT Wed May 20 2026 ...GALE WARNING THROUGH TONIGHT... .TODAY...SW wind 45 kt. Seas 16 ft building to 25 ft in the afternoon. Widespread rain showers. .TONIGHT...W wind 40 kt. Seas 25 ft. .THU...W wind 30 kt. Seas 17 ft. .THU NIGHT...W wind 25 kt. Seas 12 ft. .FRI...NW wind 20 kt. Seas 8 ft. .SAT...NE wind 30 kt. Seas 9 ft. .SUN...NE wind 45 kt. Seas 24 ft.$$ PKZ784-210115- Adak to Kiska Bering Side- 353 AM AKDT Wed May 20 2026 ...SMALL CRAFT ADVISORY THROUGH THURSDAY... .TODAY...NE wind 25 kt. Seas 10 ft. .TONIGHT...NW wind 30 kt. Seas 10 ft. .THU...W wind 25 kt. Seas 8 ft. .THU NIGHT...W wind 20 kt. Seas 7 ft. .FRI...NW wind 15 kt. Seas 5 ft. .SAT...N wind 25 kt. Seas 4 ft. .SUN...NE wind 45 kt. Seas 15 ft. $$ PKZ785-210115- Adak to Kiska Pacific Side- 353 AM AKDT Wed May 20 2026 ...SMALL CRAFT ADVISORY THROUGH THURSDAY... .TODAY...NW wind 30 kt. Seas 18 ft. .TONIGHT...W wind 30 kt. Seas 16 ft. .THU...W wind 25 kt. Seas 11 ft. .THU NIGHT...W wind 20 kt. Seas 8 ft. .FRI...N wind 20 kt. Seas 6 ft. .SAT...NE wind 30 kt. Seas 8 ft. .SUN...N wind 45 kt. Seas 19 ft. $$ PKZ786-210115- Kiska to Attu Bering Side- 353 AM AKDT Wed May 20 2026 ...SMALL CRAFT ADVISORY THROUGH TONIGHT... .TODAY...N wind 25 kt. Seas 9 ft. .TONIGHT...NW wind 20 kt. Seas 8 ft. .THU...NW wind 20 kt. Seas 7 ft. .THU NIGHT...W wind 15 kt. Seas 6 ft. .FRI...Variable wind 10 kt. Seas 5 ft. .SAT...W wind 15 kt. Seas 4 ft. .SUN...NE wind 35 kt. Seas 9 ft. $$ PKZ787-210115- Kiska to Attu Pacific Side- 353 AM AKDT Wed May 20 2026 ...SMALL CRAFT ADVISORY THROUGH THURSDAY... .TODAY...N wind 30 kt. Seas 12 ft. .TONIGHT...NW wind 20 kt. Seas 10 ft. .THU...W wind 20 kt. Seas 8 ft. .THU NIGHT...SW wind 15 kt. Seas 6 ft. .FRI...W wind 15 kt. Seas 5 ft. .SAT...NW wind 25 kt. Seas 6 ft. .SUN...N wind 40 kt. Seas 11 ft. $$ PKZ766-210115- Pribilof Islands Nearshore Waters- 353 AM AKDT Wed May 20 2026 ...SMALL CRAFT ADVISORY THROUGH THURSDAY... .TODAY...S wind 20 kt becoming SE 30 kt in the afternoon. Seas 8 ft. Rain. .TONIGHT...SE wind 20 kt. Seas 8 ft. .THU...Variable wind 10 kt. Seas 9 ft. .THU NIGHT...W wind 20 kt. Seas 8 ft. .FRI...W wind 20 kt. Seas 7 ft. .SAT...NW wind 15 kt. Seas 4 ft. .SUN...NE wind 30 kt. Seas 7 ft. $$ PKZ760-210115- Bristol Bay greater than 15 NM- 353 AM AKDT Wed May 20 2026 ...SMALL CRAFT ADVISORY TONIGHT AND THURSDAY... .TODAY...S wind 10 kt becoming SE in the afternoon. Seas 4 ft. .TONIGHT...SE wind 25 kt. Seas 5 ft. Widespread rain showers. .THU...SE wind 25 kt. Seas 6 ft. .THU NIGHT...SW wind 25 kt. Seas 10 ft. .FRI...SW wind 20 kt. Seas 7 ft. .SAT...W wind 10 kt. Seas 5 ft. .SUN...SW wind 20 kt. Seas 3 ft. $$ PKZ761-210115- Bristol Bay from Port Heiden to Cape Chichagof out to 15 NM- 353 AM AKDT Wed May 20 2026 ...SMALL CRAFT ADVISORY TONIGHT AND THURSDAY... .TODAY...SE wind 10 kt. Seas 2 ft. .TONIGHT...SE wind 25 kt. Seas 4 ft. .THU...SE wind 25 kt. Seas 4 ft. Rain showers. .THU NIGHT...SW wind 20 kt. Seas 7 ft. .FRI...SW wind 20 kt. Seas 6 ft. .SAT...W wind 15 kt. Seas 4 ft. .SUN...W wind 20 kt. Seas 3 ft. $$ PKZ762-210115- Bristol Bay from Cape Chichagof to Cape Pierce out to 15 NM- 353 AM AKDT Wed May 20 2026 ...SMALL CRAFT ADVISORY TONIGHT... .TODAY...S wind 10 kt becoming SE in the afternoon. Seas in ice free waters 2 ft. .TONIGHT...SE wind 25 kt. Seas in ice free waters 4 ft. Widespread rain showers. .THU...SE wind 20 kt. Seas in ice free waters 4 ft. Widespread rain showers. .THU NIGHT...S wind 20 kt. Seas in ice free waters 6 ft. .FRI...SW wind 20 kt. Seas in ice free waters 4 ft. .SAT...SW wind 10 kt. Seas in ice free waters 3 ft. .SUN...SW wind 15 kt. Seas in ice free waters 2 ft. $$ PKZ763-210115- Kuskokwim Delta and Etolin Strait out to 15 NM- 353 AM AKDT Wed May 20 2026 ...SMALL CRAFT ADVISORY TONIGHT... .TODAY...SE wind 20 kt. Seas 4 ft. .TONIGHT...SE wind 25 kt. Seas 5 ft. Widespread rain showers. .THU...SE wind 20 kt. Seas 4 ft. .THU NIGHT...SW wind 20 kt. Seas 4 ft. .FRI...W wind 20 kt. Seas 4 ft. .SAT...W wind 15 kt. Seas 3 ft. .SUN...S wind 15 kt. Seas2 ft. $$ PKZ764-210115- Kuskokwim Delta from 15 to 80 NM- 353 AM AKDT Wed May 20 2026 ...SMALL CRAFT ADVISORY TONIGHT AND THURSDAY... .TODAY...S wind 20 kt. Seas 5 ft. .TONIGHT...SE wind 30 kt. Seas 8 ft. Rain and snow. .THU...SE wind 30 kt. Seas 7 ft. .THU NIGHT...W wind 25 kt. Seas 10 ft. .FRI...W wind 15 kt. Seas 7 ft. .SAT...W wind 10 kt. Seas 6 ft. .SUN...S wind 20 kt. Seas 3 ft. $$ PKZ765-210115- North and West of Nunivak Island- 353 AM AKDT Wed May 20 2026 ...SMALL CRAFT ADVISORY TONIGHT... .TODAY...SE wind 20 kt. Seas 5 ft. Rain. .TONIGHT...E wind 25 kt. Seas 7 ft. Rain and snow. .THU...E wind 20 kt in the morning becoming variable 10 kt. Seas 7 ft. .THU NIGHT...Variable wind 10 kt. Seas 6 ft. .FRI THROUGH SAT...Variable wind 10 kt. Seas 4 ft. .SUN...NE wind 15 kt. Seas 3 ft. $$ PKZ767-210115- Saint Matthew Island Waters- 353 AM AKDT Wed May 20 2026 ...SMALL CRAFT ADVISORY TONIGHT... .TODAY...E wind 20 kt. Seas 5 ft. .TONIGHT...E wind 25 kt. Seas 6 ft. Rain and snow. .THU...NE wind 20 kt. Seas 7 ft. .THU NIGHT...N wind 15 kt. Seas 7 ft. .FRI THROUGH SAT...NW wind 15 kt. Seas 4 ft. .SUN...N wind 20 kt. Seas 3 ft. $$  294 FZUS51 KLWX 201158 CWFLWX Coastal Waters Forecast National Weather Service Baltimore MD/Washington DC 757 AM EDT Wed May 20 2026 Tidal Potomac River and Maryland portion of Chesapeake Bay. Forecasts of wave heights do not include effects of wind direction relative to tidal currents. Expect higher waves when winds are blowing against the tidal flow. Waves flat where waters are iced over. ANZ500-202000- 757 AM EDT Wed May 20 2026 .SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY... Small Craft Advisories may be needed through Thursday as a cold front slowly crosses the waters. The front will bring scattered to numerous showers and thunderstorms this afternoon and evening. Special Marine Warnings may be needed for stronger thunderstorms during this time. Additional Small Craft Advisories will be needed Thursday afternoon and evening in northerly channeling. Increased onshore flow will keep Small Craft Advisory conditions going across the waters at times Friday into the weekend. $$ ANZ535-202000- Tidal Potomac from Key Bridge to Indian Head- 757 AM EDT Wed May 20 2026 .TODAY...SW winds 5 kt. Waves less than 1 ft. Showers likely with a chance of tstms this afternoon. .TONIGHT...N winds 5 to 10 kt. Waves 1 ft. Showers likely with a chance of tstms. .THU...NE winds 5 to 10 kt. Waves 1 ft. Showers likely. .THU NIGHT...NE winds 5 to 10 kt. Waves 1 ft. Showers likely. .FRI...NE winds 5 to 10 kt. Waves 1 ft. Showers. .FRI NIGHT...E winds 5 to 10 kt. Waves 1 ft. Showers. .SAT...E winds 5 to 10 kt. Waves 1 ft. Showers. .SUN...E winds around 5 kt. Waves 1 ft. A chance of showers. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ536-202000- Tidal Potomac from Indian Head to Cobb Island- 757 AM EDT Wed May 20 2026 .TODAY...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers with a slight chance of tstms this afternoon. .TONIGHT...N winds 5 to 10 kt. Gusts up to 20 kt early in the evening. Waves 1 ft. A chance of showers and tstms. .THU...NE winds 5 to 10 kt. Waves 1 ft. Showers likely. .THU NIGHT...NE winds 5 to 10 kt. Waves 1 ft. Showers likely. .FRI...NE winds 5 to 10 kt. Waves 1 ft. Showers. .FRI NIGHT...NE winds 5 to 10 kt. Waves 1 ft. Showers likely. .SAT...NE winds around 5 kt. Waves 1 ft. Showers. .SUN...E winds around 5 kt. Waves 1 ft. A chance of showers. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ537-202000- Tidal Potomac from Cobb Island to Smith Point- 757 AM EDT Wed May 20 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 3 PM EDT THIS AFTERNOON THROUGH THIS EVENING... .TODAY...SW winds 10 kt...becoming SE late. Gusts up to 20 kt. Waves 1 to 2 ft. A slight chance of showers this afternoon. .TONIGHT...NE winds 5 to 10 kt with gusts to 20 kt... becoming N after midnight. Waves 1 to 2 ft. A chance of showers. .THU...NE winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. A chance of showers. .THU NIGHT...NE winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. Showers. .FRI...E winds 10 to 15 kt with gusts to 20 kt. Waves 2 to 3 ft. Showers. .FRI NIGHT...NE winds 10 to 15 kt with gusts to 20 kt. Waves 2 to 3 ft. Showers likely. .SAT...E winds 5 to 10 kt. Waves 1 to 2 ft. Showers likely. A chance of tstms through the night. .SUN...E winds 5 kt. Waves less than 1 ft. A chance of showers. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ530-202000- Chesapeake Bay north of Pooles Island- 757 AM EDT Wed May 20 2026 .TODAY...SW winds 5 to 10 kt. Waves 1 ft. Showers likely with a chance of tstms this afternoon. .TONIGHT...N winds 5 to 10 kt. Waves 1 ft. Showers likely with a chance of tstms. .THU...NE winds 5 to 10 kt. Waves 1 ft. Showers. .THU NIGHT...NE winds around 5 kt. Waves 1 ft. A chance of showers..FRI...E winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft. Showers. .FRI NIGHT...E winds 10 to 15 kt. Waves 1 ft. Showers. .SAT...E winds 10 to 15 kt. Waves 1 ft. Showers. .SUN...E winds 5 to 10 kt. Waves 1 ft. Showers likely, mainly in the morning. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ531-202000- Chesapeake Bay from Pooles Island to Sandy Point- 757 AM EDT Wed May 20 2026 .TODAY...SW winds 5 to 10 kt. Waves 1 ft. Showers likely with a chance of tstms this afternoon. .TONIGHT...N winds 5 to 10 kt. Waves 1 ft. Showers likely with a chance of tstms. .THU...NE winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. Showers likely. .THU NIGHT...NE winds 5 to 10 kt. Waves 1 ft. A chance of showers. .FRI...E winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. Showers. .FRI NIGHT...E winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. Showers. .SAT...E winds 10 to 15 kt. Waves 1 to 2 ft. Showers. .SUN...NE winds 5 to 10 kt. Waves 1 ft. A chance of showers. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ538-202000- Patapsco River including Baltimore Harbor- 757 AM EDT Wed May 20 2026 .TODAY...SW winds 5 to 10 kt. Waves 1 ft or less. Showers likely with a chance of tstms this afternoon. .TONIGHT...NW winds 5 to 10 kt...becoming N late. Waves 1 ft. Showers likely with a chance of tstms. .THU...NE winds 10 kt. Waves 1 ft. Showers. .THU NIGHT...NE winds 5 kt. Waves less than 1 ft. A chance of showers. .FRI...E winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft. Showers. .FRI NIGHT...E winds 10 kt with gusts to 20 kt. Waves 1 ft. Showers. .SAT...E winds 5 to 10 kt. Waves 1 ft. Showers. .SUN...E winds 5 kt. Waves less than 1 ft. A chance of showers. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ539-202000- Chester River to Queenstown MD- 757 AM EDT Wed May 20 2026 .TODAY...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers and tstms this afternoon. .TONIGHT...N winds 5 to 10 kt. Waves 1 ft. Showers likely with a chance of tstms. .THU...NE winds 10 kt with gusts to 20 kt. Waves 1 ft. Showers likely. .THU NIGHT...NE winds 5 to 10 kt. Waves 1 ft. Showers likely. .FRI...E winds 10 kt with gusts to 20 kt. Waves 1 ft. Showers. .FRI NIGHT...E winds 10 kt. Waves 1 ft. Showers. .SAT...E winds 5 to 10 kt. Waves 1 ft. Showers. .SUN...E winds 5 to 10 kt. Waves 1 ft or less. A chance of showers. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ532-202000- Chesapeake Bay from Sandy Point to North Beach- 757 AM EDT Wed May 20 2026 .TODAY...SW winds 5 to 10 kt...becoming S this afternoon. Waves 1 to 2 ft. A chance of showers with a slight chance of tstms this afternoon. .TONIGHT...N winds 5 to 10 kt. Gusts up to 20 kt early in the evening. Waves 1 to 2 ft. Showers likely with a chance of tstms. .THU...NE winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. Showers likely. .THU NIGHT...NE winds 5 to 10 kt. Waves 1 to 2 ft. Showers likely. .FRI...E winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. Showers. .FRI NIGHT...E winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. Showers. .SAT...E winds 10 to 15 kt. Waves 1 to 2 ft. Showers. .SUN...NE winds 5 to 10 kt. Waves 1 ft. A chance of showers. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ540-202000- Eastern Bay- 757 AM EDT Wed May 20 2026 .TODAY...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers and tstms this afternoon. .TONIGHT...N winds 5 to 10 kt. Waves 1 ft. Showers likely with a chance of tstms. .THU...NE winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft. Showers likely. .THU NIGHT...NE winds 5 to 10 kt. Waves 1 ft. Showers likely. .FRI...E winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft. Showers. .FRI NIGHT...Ewinds 10 to 15 kt with gusts to 20 kt. Waves 1 ft. Showers. .SAT...E winds 5 to 10 kt. Waves 1 ft. Showers. .SUN...E winds 5 kt. Waves less than 1 ft. A chance of showers. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ533-202000- Chesapeake Bay from North Beach to Drum Point- 757 AM EDT Wed May 20 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 3 PM EDT THIS AFTERNOON THROUGH THIS EVENING... .TODAY...SW winds 5 to 10 kt...becoming S 10 to 15 kt with gusts to 20 kt this afternoon. Waves 1 to 2 ft. A chance of showers and tstms this afternoon. .TONIGHT...NE winds 10 to 15 kt with gusts to 20 kt... becoming N in the late evening and overnight. Waves 1 to 2 ft. A chance of showers and tstms. .THU...NE winds 10 to 15 kt with gusts to 20 kt. Waves 2 to 3 ft. Showers likely. .THU NIGHT...NE winds 10 kt with gusts to 20 kt. Waves 2 ft. Showers likely. .FRI...E winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. Showers. .FRI NIGHT...E winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. Showers. .SAT...E winds 5 to 10 kt. Waves 1 to 2 ft. Showers through the day, then showers likely through the night. .SUN...E winds 5 kt. Waves less than 1 ft. A chance of showers. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ541-202000- Choptank River to Cambridge MD and the Little Choptank River- 757 AM EDT Wed May 20 2026 .TODAY...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers and tstms this afternoon. .TONIGHT...N winds 5 to 10 kt. Gusts up to 20 kt early in the evening. Waves 1 ft. A chance of showers and tstms. .THU...NE winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. Showers likely. .THU NIGHT...NE winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft. Showers likely. .FRI...E winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. Showers. .FRI NIGHT...E winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft. Showers. .SAT...E winds 5 to 10 kt. Waves 1 ft. Showers through the day, then showers likely through the night. .SUN...E winds 5 kt. Waves less than 1 ft. A chance of showers. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ542-202000- Patuxent River to Broomes Island MD- 757 AM EDT Wed May 20 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 3 PM EDT THIS AFTERNOON THROUGH THIS EVENING... .TODAY...SW winds 5 to 10 kt...becoming SE late. Waves 1 ft. A chance of showers with a slight chance of tstms this afternoon. .TONIGHT...N winds 5 to 10 kt. Waves 1 ft. A chance of showers and tstms. .THU...N winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft. A chance of showers. .THU NIGHT...NE winds 5 to 10 kt. Waves 1 ft. Showers likely. .FRI...NE winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft. Showers. .FRI NIGHT...NE winds 5 to 10 kt. Waves 1 ft. Showers. .SAT...NE winds 5 to 10 kt. Waves 1 ft. Showers through the day, then showers likely with a chance of tstms through the night. .SUN...E winds around 5 kt. Waves 1 ft. A chance of showers. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ534-202000- Chesapeake Bay from Drum Point to Smith Point- 757 AM EDT Wed May 20 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 3 PM EDT THIS AFTERNOON THROUGH THIS EVENING... .TODAY...S winds 10 to 15 kt. Gusts up to 25 kt late. Waves 2 to 3 ft. .TONIGHT...SE winds 10 to 15 kt with gusts to 25 kt... becoming NE with gusts to 20 kt late in the evening, then becoming N 5 to 10 kt after midnight. Waves 3 ft...subsiding to 1 ft after midnight. A chance of showers. .THU...NE winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. A chance of showers. .THU NIGHT...NE winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. A chance of showers. .FRI...NE winds 15 kt with gusts to 20 kt. Waves 3 ft. Showers. .FRI NIGHT...E winds 10 to 15 kt with gusts to20 kt. Waves 2 to 3 ft. Showers. .SAT...E winds 10 to 15 kt. Waves 1 to 2 ft. Showers through the day, then showers likely with a chance of tstms through the night. .SUN...E winds 5 to 10 kt. Waves 1 ft. A chance of showers. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ543-202000- Tangier Sound and the inland waters surrounding Bloodsworth Island- 757 AM EDT Wed May 20 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 3 PM EDT THIS AFTERNOON THROUGH THIS EVENING... .TODAY...S winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft. .TONIGHT...S winds 10 to 15 kt with gusts to 20 kt... becoming E with gusts to 20 kt late in the evening, then becoming N 5 kt after midnight. Waves 1 to 2 ft. A chance of showers. .THU...NE winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft. A chance of showers. .THU NIGHT...NE winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft. Showers likely. .FRI...NE winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. Showers. .FRI NIGHT...E winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft. Showers. .SAT...E winds 10 to 15 kt. Waves 1 ft. Showers through the day, then showers likely with a chance of tstms through the night. .SUN...E winds 5 to 10 kt. Waves 1 ft. A chance of showers. Winds and waves higher and visibilities lower in and near tstms. $$