437 FZUS51 KBOX 200205 CWFBOX Coastal Waters Forecast for Massachusetts and Rhode Island National Weather Service Boston/Norton MA 1005 PM EDT Tue May 19 2026 Coastal waters from the Merrimack River MA to Watch Hill RI out to 60 NM ANZ200-201500- 1005 PM EDT Tue May 19 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. $$ ANZ250-201500- Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- 1005 PM EDT Tue May 19 2026 .OVERNIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: SW 3 ft at 4 seconds and SE 3 ft at 7 seconds. Patchy fog. Vsby 1 NM or less. .WED...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Wave Detail: SE 3 ft at 8 seconds and W 2 ft at 4 seconds. Patchy fog in the morning. A chance of showers in the afternoon. Vsby 1 to 3 NM in the morning. .WED NIGHT...W winds 10 to 15 kt with gusts up to 20 kt, becoming NW after midnight. Seas 2 to 3 ft. Wave Detail: NW 2 ft at 4 seconds and SE 2 ft at 9 seconds. .THU...N winds 10 to 15 kt with gusts up to 20 kt, becoming E 5 to 10 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: N 2 ft at 4 seconds and SE 2 ft at 9 seconds. .THU NIGHT...S winds around 5 kt, becoming N after midnight. Seas around 2 ft. Wave Detail: N 2 ft at 4 seconds and SE 1 foot at 9 seconds. .FRI AND FRI NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: S 2 ft at 3 seconds and N 1 foot at 3 seconds. .SAT AND SAT NIGHT...E winds around 5 kt, becoming SE. Seas around 2 ft. A chance of showers. .SUN...E winds around 10 kt. Seas around 2 ft. A chance of showers. .SUN NIGHT...E winds around 10 kt. Seas 3 to 5 ft. Showers likely. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ251-201500- Massachusetts Bay and Ipswich Bay- 1005 PM EDT Tue May 19 2026 .OVERNIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 3 seconds and SE 2 ft at 6 seconds. .WED...SW winds 10 to 15 kt. Gusts up to 20 kt in the afternoon. Seas around 2 ft. Wave Detail: W 2 ft at 3 seconds and SE 1 foot at 8 seconds. A chance of showers in the afternoon. .WED NIGHT...W winds 10 to 15 kt with gusts up to 20 kt, becoming NW after midnight. Seas around 2 ft. Wave Detail: NW 2 ft at 3 seconds and SE 1 foot at 9 seconds. .THU...N winds 10 to 15 kt, becoming E 5 to 10 kt in the afternoon. Seas around 2 ft. Wave Detail: N 2 ft at 3 seconds and SE 1 foot at 9 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: SW 1 foot at 2 seconds and N 1 foot at 4 seconds, becoming N 1 foot at 4 seconds and SE 1 foot at 10 seconds. .FRI AND FRI NIGHT...SW winds 10 to 15 kt. Seas around 2 ft. Wave Detail: NW 1 foot at 4 seconds and SE 1 foot at 10 seconds. .SAT AND SAT NIGHT...E winds 5 to 10 kt. Seas 1 foot or less, then around 2 ft. A chance of showers. .SUN AND SUN NIGHT...E winds 5 to 10 kt. Seas 2 to 3 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. $$ ANZ231-201500- Cape Cod Bay- 1005 PM EDT Tue May 19 2026 .OVERNIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: W 2 ft at 3 seconds and SE 1 foot at 9 seconds. Patchy fog with vsby 1 to 3 NM. .WED...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 3 seconds and SE 1 foot at 10 seconds. Patchy fog in the morning with vsby 1 to 3 NM. .WED NIGHT...W winds 10 to 15 kt with gusts up to 20 kt, becoming NW after midnight. Seas around 2 ft. Wave Detail: NW 2 ft at 3 seconds and S 1 foot at 11 seconds. A chance of showers in the evening. .THU...N winds 10 to 15 kt, becoming NE 5 to 10 kt in the afternoon. Seas around 2 ft. Wave Detail: N 2 ft at 4 seconds and S 1 foot at 11 seconds. .THU NIGHT...S winds around 5 kt, becoming NW after midnight. Seas 1 foot or less. Wave Detail: N 1 foot at 5 seconds and SE 1 foot at 10 seconds. .FRI AND FRI NIGHT...SW winds 5 to 10 kt. Seas 1 foot or less. Wave Detail: N 1 foot at 4 seconds and SE 1 foot at 10 seconds. .SAT THROUGH SUN NIGHT...E winds 5 to 10 kt with gusts up to 20 kt. Seas around 2 ft. A chance of showers. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ254-201500- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 NM- 1005 PM EDT Tue May 19 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE WEDNESDAY NIGHT... .OVERNIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 6 ft. Wave Detail: SW 5 ft at 7 seconds and W 2 ft at 4 seconds. Patchy fog. Vsby 1 NM or less. .WED...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 6 ft. Wave Detail: SW 5 ft at 7 seconds and W 2 ft at 4 seconds. Patchy fog in the morning with vsby 1 NM or less. .WED NIGHT...W winds 15 to 20 kt, becoming NW 10 to 15 kt after midnight. Seas 3 to 5 ft. Wave Detail: W 4 ft at 5 seconds and SE 3 ft at 8 seconds. A chance of showers. .THU...NE winds 10 to 15 kt. Gusts up to 20 kt in the morning. Seas 2 to 4 ft. Wave Detail: S 3 ft at 8 seconds and N 2 ft at 4 seconds. .THU NIGHT...SE winds around 5 kt, becoming NW after midnight. Seas 2 to 3 ft. Wave Detail: N 2 ft at 6 seconds and SE 2 ft at 8 seconds. .FRI AND FRI NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: N 2 ft at 5 seconds and SE 1 foot at 9 seconds. .SAT AND SAT NIGHT...SE winds 5 to 10 kt, becoming E 10 to 15 kt. Seas 2 to 3 ft. A chance of showers. .SUN...E winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. A chance of showers. .SUN NIGHT...E winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 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. $$ ANZ255-201500- Coastal Waters extending out to 25 NM South of Marthas Vineyard and Nantucket- 1005 PM EDT Tue May 19 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE WEDNESDAY NIGHT... .OVERNIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 5 to 7 ft. Wave Detail: SW 7 ft at 7 seconds and SE 7 ft at 11 seconds. Patchy fog. Vsby 1 NM or less. .WED...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 5 to 7 ft. Wave Detail: W 6 ft at 6 seconds and SE 2 ft at 8 seconds. Patchy fog in the morning with vsby 1 NM or less. .WED NIGHT...W winds 15 to 20 kt, becoming NW 10 to 15 kt after midnight. Seas 4 to 6 ft. Wave Detail: SW 5 ft at 7 seconds and SE 2 ft at 9 seconds. A chance of showers. Patchy fog in the evening with vsby 1 to 3 NM. .THU...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Wave Detail: SW 4 ft at 7 seconds and N 2 ft at 3 seconds. A chance of showers in the morning. .THU NIGHT...SE winds 5 to 10 kt, becoming W after midnight. Seas 2 to 3 ft. Wave Detail: S 2 ft at 6 seconds and N 1 foot at 4 seconds. .FRI...NE winds 5 to 10 kt, becoming E in the afternoon. Seas around 2 ft. Wave Detail: S 2 ft at 6 seconds and N 1 foot at 5 seconds. .FRI NIGHT...S winds 5 to 10 kt. Seas around 2 ft. A chance of showers after midnight. .SAT...E winds 10 to 15 kt. Seas 2 to 3 ft. A chance of showers. .SAT NIGHT...E winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft. Showers likely. .SUN AND SUN NIGHT...E winds 15 to 20 kt, diminishing to 10 to 15 kt. Seas 4 to 6 ft. Showers likely. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ256-201500- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 NM South of Block Island- 1005 PM EDT Tue May 19 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE WEDNESDAY NIGHT... .OVERNIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 6 to 7 ft. Wave Detail: SW 7 ft at 7 seconds and W 7 ft at 8 seconds. Patchy fog. Vsby 1 to 3 NM. .WED...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 4 ft at 8 seconds. Patchy fog in the morning with vsby 1 to 3 NM. .WED NIGHT...W winds 15 to 20 kt, becoming NW around 10 kt after midnight. Seas 4 to 6 ft. Wave Detail: SW 5 ft at 7 seconds and SE 4 ft at 9 seconds. A chance of showers. .THU...NE winds 10 to 15 kt, becoming E in the afternoon. Seas 3 to 4 ft. Wave Detail: SW 4 ft at 7 seconds and N 2 ft at 3 seconds. A chance of showers in the morning. .THU NIGHT...SE winds 5 to 10 kt, becoming NW after midnight. Seas 2 to 3 ft. Wave Detail: S 2 ft at 6 seconds and NE 1 foot at 4 seconds. .FRI...NE winds 5 to 10 kt, becoming SE in the afternoon. Seas around 2 ft. Wave Detail: E 2 ft at 3 seconds and S 2 ft at 6 seconds. .FRI NIGHT...SE winds 5 to 10 kt. Seas around 2 ft. A chance of showers after midnight. .SAT AND SAT NIGHT...E winds 10 to 15 kt, increasing to 15 to 20 kt. Seas 2 to 4 ft. Showers likely. .SUN...E winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 6 ft. Showers likely. .SUN NIGHT...E winds 10 to 15 kt with gusts up to 20 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. $$ ANZ232-201500- Nantucket Sound- 1005 PM EDT Tue May 19 2026 .OVERNIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 4 ft. Wave Detail: SW 3 ft at 4 seconds and SE 1 foot at 8 seconds. Patchy fog. Vsby 1 to 3 NM. .WED...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: W 3 ft at 4 seconds and SE 1 foot at 8 seconds. Patchy fog in the morning with vsby 1 to 3 NM. .WED NIGHT...W winds 10 to 15 kt with gusts up to 20 kt, becoming NW after midnight. Seas 2 to 4 ft. Wave Detail: W 3 ft at 4 seconds and N 1 foot at 3 seconds. A chance of showers. .THU...NE winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: N 2 ft at 3 seconds and W 2 ft at 6 seconds. .THU NIGHT...SE winds 5 to 10 kt, becoming W after midnight. Seas around 2 ft. Wave Detail: NE 1 foot at 3 seconds and SW 1 foot at 5 seconds. .FRI...NE winds 5 to 10 kt, becoming SE in the afternoon. Seas around 2 ft in the morning, then 1 foot or less. Wave Detail: N 1 foot at 4 seconds and SW 1 foot at 6 seconds, becoming NE 1 foot at 4 seconds and SW 1 foot at 6 seconds. .FRI NIGHT...S winds 5 to 10 kt, becoming SW after midnight. Seas 1 foot or less. A chance of showers after midnight. .SAT...SE winds 5 to 10 kt. Seas around 2 ft. A chance of showers. .SAT NIGHT THROUGH SUN NIGHT...E winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Showers likely. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ233-201500- Vineyard Sound- 1005PM EDT Tue May 19 2026 .OVERNIGHT...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 E 3 ft at 7 seconds. Patchy fog with vsby 1 to 3 NM. .WED...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. Wave Detail: SW 4 ft at 7 seconds and W 2 ft at 3 seconds. Patchy fog in the morning with vsby 1 to 3 NM. .WED NIGHT...W winds 10 to 15 kt with gusts up to 20 kt, becoming NW after midnight. Seas 2 to 4 ft. Wave Detail: SW 4 ft at 7 seconds and NW 2 ft at 3 seconds. A chance of showers. .THU...N winds 10 to 15 kt, becoming E in the afternoon. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 7 seconds and N 2 ft at 3 seconds. A chance of showers in the morning. .THU NIGHT...S winds 5 to 10 kt, becoming W after midnight. Seas around 2 ft. Wave Detail: SW 2 ft at 6 seconds and SE 2 ft at 10 seconds. .FRI...NE winds 5 to 10 kt, becoming SE in the afternoon. Seas around 2 ft. Wave Detail: N 1 foot at 3 seconds and SW 1 foot at 6 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. A chance of showers after midnight. .SAT...SE winds 5 to 10 kt. Seas around 2 ft. A chance of showers. .SAT NIGHT THROUGH SUN NIGHT...E winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 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. $$ ANZ234-201500- Buzzards Bay- 1005 PM EDT Tue May 19 2026 .OVERNIGHT...SW winds 15 to 20 kt, diminishing to 10 to 15 kt. Seas 2 to 4 ft. Wave Detail: S 3 ft at 6 seconds and SW 2 ft at 3 seconds. Patchy fog with vsby 1 to 3 NM. .WED...SW winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: SW 3 ft at 5 seconds and W 2 ft at 2 seconds. Patchy fog in the morning with vsby 1 to 3 NM. .WED NIGHT...W winds 10 to 15 kt with gusts up to 20 kt, becoming NW after midnight. Seas 2 to 3 ft. Wave Detail: W 3 ft at 3 seconds and S 3 ft at 7 seconds. A chance of showers in the evening. .THU...N winds 10 to 15 kt, becoming E 5 to 10 kt in the afternoon. Seas around 2 ft. Wave Detail: N 2 ft at 3 seconds and SW 2 ft at 7 seconds. .THU NIGHT...S winds 5 to 10 kt, becoming W after midnight. Seas around 2 ft. Wave Detail: N 2 ft at 4 seconds and SE 2 ft at 11 seconds. .FRI...NE winds 5 to 10 kt, becoming SE in the afternoon. Seas 1 foot or less. Wave Detail: N 1 foot at 3 seconds and SW 1 foot at 6 seconds. .FRI NIGHT...S winds 5 to 10 kt, becoming SW after midnight. Seas 1 foot or less. A chance of showers after midnight. .SAT...SE winds 5 to 10 kt. Seas around 2 ft. A chance of showers. .SAT NIGHT AND SUN...E winds 10 to 15 kt. Gusts up to 20 kt. Seas 2 to 3 ft. Showers likely. .SUN NIGHT...E winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. A chance of showers. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ235-201500- Rhode Island Sound- 1005 PM EDT Tue May 19 2026 .OVERNIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 6 ft. Wave Detail: S 6 ft at 7 seconds and W 1 foot at 4 seconds. Patchy fog with vsby 1 to 3 NM. .WED...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 5 ft. Wave Detail: S 5 ft at 7 seconds and SW 3 ft at 3 seconds. Patchy fog in the morning with vsby 1 to 3 NM. .WED NIGHT...W winds 10 to 15 kt with gusts up to 20 kt, becoming NW after midnight. Seas 3 to 5 ft. Wave Detail: SW 5 ft at 7 seconds and SE 4 ft at 8 seconds. A chance of showers. .THU...N winds 10 to 15 kt, becoming E in the afternoon. Seas 2 to 4 ft. Wave Detail: SW 4 ft at7 seconds and S 3 ft at 9 seconds. A chance of showers in the morning. .THU NIGHT...S winds 5 to 10 kt, becoming W after midnight. Seas 2 to 3 ft. Wave Detail: S 2 ft at 6 seconds and S 2 ft at 9 seconds. .FRI...NE winds around 10 kt, becoming SE in the afternoon. Seas around 2 ft. Wave Detail: E 2 ft at 3 seconds and S 2 ft at 6 seconds. .FRI NIGHT...S winds 5 to 10 kt, diminishing to around 5 kt after midnight. Seas around 2 ft. A chance of showers after midnight. .SAT AND SAT NIGHT...E winds 10 to 15 kt. Gusts up to 20 kt. Seas 2 to 3 ft. Showers likely. .SUN...E winds 15 to 20 kt. Seas 3 to 5 ft. Showers likely. .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. $$ ANZ237-201500- Block Island Sound- 1005 PM EDT Tue May 19 2026 .OVERNIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. Wave Detail: SW 4 ft at 5 seconds. Patchy fog with vsby 1 to 3 NM. .WED...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 5 ft. Wave Detail: SW 4 ft at 7 seconds and SW 3 ft at 3 seconds. Patchy fog in the morning. A chance of showers in the afternoon. Vsby 1 to 3 NM in the morning. .WED NIGHT...W winds 10 to 15 kt with gusts up to 20 kt, becoming NW 5 to 10 kt after midnight. Seas 2 to 4 ft. Wave Detail: SW 3 ft at 5 seconds and N 1 foot at 3 seconds. A chance of showers. .THU...NE winds around 10 kt, becoming SE in the afternoon. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 7 seconds and NW 1 foot at 3 seconds. A chance of showers in the morning. .THU NIGHT...S winds 5 to 10 kt, becoming NW after midnight. Seas around 2 ft. Wave Detail: S 2 ft at 7 seconds and N 1 foot at 3 seconds. .FRI...NE winds 5 to 10 kt, becoming SE in the afternoon. Seas around 2 ft. Wave Detail: S 2 ft at 7 seconds and N 1 foot at 3 seconds. .FRI NIGHT...S winds 5 to 10 kt, becoming SE after midnight. Seas around 2 ft. A chance of showers after midnight. .SAT AND SAT NIGHT...E winds 10 to 15 kt. Gusts up to 20 kt. Seas 2 to 4 ft. Showers likely. .SUN...E winds around 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. Showers likely. .SUN NIGHT...E winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. A chance of showers. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ230-201500- Boston Harbor- 1005 PM EDT Tue May 19 2026 .OVERNIGHT...SW winds 10 to 15 kt. Waves around 2 ft. .WED...W winds 10 to 15 kt. Gusts up to 20 kt in the afternoon. Waves around 2 ft. A chance of showers in the afternoon. .WED NIGHT...W winds 10 to 15 kt with gusts up to 20 kt, becoming NW after midnight. Waves around 2 ft. .THU...N winds 10 to 15 kt, becoming E 5 to 10 kt in the afternoon. Waves around 2 ft in the morning, then 1 foot or less. .THU NIGHT...S winds around 5 kt, becoming N after midnight. Waves 1 foot or less. .FRI AND FRI NIGHT...SW winds 5 to 10 kt. Waves 1 foot or less. .SAT AND SAT NIGHT...E winds 5 to 10 kt. Waves 1 foot or less. A chance of showers. .SUN AND SUN NIGHT...E winds 5 to 10 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. $$ ANZ236-201500- Narragansett Bay- 1005 PM EDT Tue May 19 2026 .OVERNIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt. Waves 2 to 3 ft. Patchy fog with vsby 1 to 3 NM. .WED...SW winds 10 to 15 kt with gusts up to 20 kt. Waves 2 to 3 ft. A chance of showers in the afternoon. .WED NIGHT...NWwinds 10 to 15 kt. Waves 2 to 3 ft. A chance of showers in the evening. .THU...N winds 10 to 15 kt, becoming E 5 to 10 kt in the afternoon. Waves around 2 ft. .THU NIGHT...S winds 5 to 10 kt, becoming NW after midnight. Waves around 2 ft. .FRI...NE winds 5 to 10 kt, becoming SE in the afternoon. Waves around 2 ft. .FRI NIGHT...S winds 5 to 10 kt, becoming SW after midnight. Waves around 2 ft in the evening, then 1 foot or less. A chance of showers after midnight. .SAT...SE winds 5 to 10 kt. Waves around 2 ft. A chance of showers. .SAT NIGHT AND SUN...E winds 10 to 15 kt. Gusts up to 20 kt. Waves 2 to 3 ft. Showers likely. .SUN NIGHT...E winds 10 to 15 kt. Waves 2 to 3 ft. A chance of showers. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ280-201500- Ocean Waters from the Merrimack River to Plymouth from 40 to 60 NM- 1005 PM EDT Tue May 19 2026 .OVERNIGHT...SW winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to 6 ft. Wave Detail: SW 6 ft at 6 seconds. Patchy fog. Vsby 1 NM or less. .WED...SW winds around 15 kt with gusts up to 25 kt. Seas 4 to 6 ft. Wave Detail: S 4 ft at 7 seconds and W 2 ft at 4 seconds. Patchy fog in the morning with vsby 1 to 3 NM. .WED NIGHT...W winds 10 to 15 kt, becoming N after midnight. Gusts up to 20 kt. Seas 3 to 5 ft. Wave Detail: S 4 ft at 7 seconds and NW 3 ft at 4 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 3 ft at 5 seconds and S 3 ft at 8 seconds. .THU NIGHT...SW winds 5 to 10 kt, becoming NW after midnight. Seas 2 to 3 ft. Wave Detail: NW 2 ft at 5 seconds and S 2 ft at 8 seconds. .FRI AND FRI NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. Wave Detail: SW 2 ft at 3 seconds and N 2 ft at 4 seconds. .SAT AND SAT NIGHT...E winds 5 to 10 kt. Seas around 2 ft. A chance of showers. .SUN...E winds around 10 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. $$ ANZ281-201500- Ocean Waters from Provincetown to Nantucket from 20 to 60 NM- 1005 PM EDT Tue May 19 2026 .OVERNIGHT...SW winds 15 to 20 kt with gusts up to 30 kt. Seas 6 to 7 ft. Wave Detail: SW 7 ft at 6 seconds and SE 5 ft at 9 seconds. Patchy fog. Vsby 1 NM or less. .WED...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 5 to 6 ft. Wave Detail: W 6 ft at 6 seconds and SE 4 ft at 9 seconds. Patchy fog. Vsby 1 NM or less. .WED NIGHT...SW winds 15 to 20 kt, becoming NW 10 to 15 kt after midnight. Gusts up to 25 kt. Seas 4 to 6 ft. Wave Detail: W 5 ft at 6 seconds and SE 2 ft at 9 seconds. A chance of showers. Patchy fog in the evening with vsby 1 NM or less. .THU...N winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft. Wave Detail: N 4 ft at 5 seconds and S 2 ft at 9 seconds. A chance of showers in the morning. .THU NIGHT...SE winds around 5 kt, becoming NW after midnight. Seas 2 to 4 ft. Wave Detail: SW 3 ft at 6 seconds and N 2 ft at 6 seconds. .FRI AND FRI NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: N 2 ft at 5 seconds and SW 2 ft at 6 seconds. .SAT AND SAT NIGHT...E winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. A chance of showers. .SUN...E winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. A chance of showers. .SUN NIGHT...E winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 6 ft. Showers likely. Seas are reported as significant waveheight, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ282-201500- Ocean Waters from Marthas Vineyard to Nantucket from 25 to 60 NM- 1005 PM EDT Tue May 19 2026 .OVERNIGHT...SW winds 20 to 25 kt with gusts up to 30 kt. Seas 6 to 7 ft. Wave Detail: SW 7 ft at 7 seconds and SE 6 ft at 10 seconds. Patchy fog. Vsby 1 NM or less. .WED...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 6 to 7 ft. Wave Detail: W 6 ft at 6 seconds and SE 2 ft at 9 seconds. Patchy fog. Vsby 1 NM or less. .WED NIGHT...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 9 seconds. A chance of showers. Patchy fog in the evening with 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 N 2 ft at 4 seconds. A chance of showers. .THU NIGHT...E winds 5 to 10 kt, becoming NE after midnight. Seas 2 to 3 ft. Wave Detail: N 2 ft at 4 seconds and SW 2 ft at 6 seconds. .FRI...NE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 6 seconds and N 2 ft at 6 seconds. .FRI NIGHT...E winds 5 to 10 kt. Seas around 2 ft. A chance of showers after midnight. .SAT...E winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Showers likely. .SAT NIGHT...E winds 15 to 20 kt. Seas 3 to 5 ft. Showers likely. .SUN AND SUN NIGHT...E winds 15 to 20 kt, diminishing to 10 to 15 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. $$ ANZ283-201500- Ocean Waters from Montauk NY to Marthas Vineyard from 25 to 60 NM- 1005 PM EDT Tue May 19 2026 .OVERNIGHT...SW winds 20 to 25 kt with gusts up to 30 kt. Seas 6 to 7 ft. Wave Detail: S 7 ft at 8 seconds and W 3 ft at 4 seconds. Patchy fog. Vsby 1 to 3 NM. .WED...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 6 to 7 ft. Wave Detail: SW 6 ft at 7 seconds and W 3 ft at 4 seconds. Patchy fog in the morning with vsby 1 to 3 NM. .WED NIGHT...W winds 15 to 20 kt with gusts up to 25 kt, becoming NW 10 to 15 kt after midnight. Seas 4 to 6 ft. Wave Detail: SW 6 ft at 7 seconds and N 2 ft at 4 seconds. A chance of showers in the evening, then showers likely after midnight. Patchy fog in the evening. .THU...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft. Wave Detail: SW 4 ft at 6 seconds and N 2 ft at 4 seconds. A chance of showers. Patchy fog in the morning. .THU NIGHT AND FRI...E winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: N 2 ft at 4 seconds and S 2 ft at 6 seconds. .FRI NIGHT...SE winds 5 to 10 kt. Seas around 2 ft. Wave Detail: NE 2 ft at 4 seconds and SE 2 ft at 10 seconds. A chance of showers after midnight. .SAT...E winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Showers likely. .SAT NIGHT AND SUN...E winds 15 to 20 kt with gusts up to 25 kt. Seas 5 to 8 ft. Showers. .SUN NIGHT...E winds 10 to 15 kt with gusts up to 20 kt. Seas 5 to 7 ft. Showers likely. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ 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  237 FZUS52 KKEY 200221 CWFKEY Coastal Waters Forecast for the Florida Keys National Weather Service Key West FL 1021 PM EDT Tue May 19 2026 Florida Bay, Hawk Channel and Straits of Florida from Ocean Reef to south of Dry Tortugas, and the extreme southeastern Gulf of America, including The Florida Keys National Marine Sanctuary Seas are given as significant wave height, which is the average height of the highest 1/3 of the waves. Individual waves may be more than twice the significant wave height. Wave Detail will include details about the period and direction of origin for the highest energy waves. Long-period swells coming from a different direction than the wind would be included in the Wave Detail. GMZ005-201430- Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas 1021 PM EDT Tue May 19 2026 .SYNOPSIS...Surface high pressure centered north of Bermuda will continue to support gentle to moderate breezes across the Florida Keys waters. Breezes are on track to slowly decrease during the week with peaks expected during the evenings and lulls during the day. Rain and thunder chances will remain above normal through much of the week. The Approximate Shoreward Edge of the Gulf Stream as of May 12... 35 NM South of Dry Tortugas Light...on Loggerhead Key. 9 NM South of Cosgrove Shoal Light...off the Marquesas Keys. 6 NM South of Sand Key Light...off Key West. 7 NM South of Looe Key...off Big Pine Key. 6 NM Southeast of Sombrero Key Light...off Marathon. 6 NM Southeast of Alligator Reef Light...off Islamorada. 4 NM Southeast of Molasses Reef Light...off Key Largo. 3 NM Southeast of Carysfort Reef Light...off Ocean Reef. Gulf Stream Information Courtesy of the National Weather Service in Key West based on products from NASA SPoRT and RTOFS. $$ GMZ031-201430- Florida Bay including Barnes Sound, Blackwater Sound, and Buttonwood Sound- 1021 PM EDT Tue May 19 2026 .OVERNIGHT...East winds decreasing to near 15 knots. Bay waters a moderate chop. A chance of showers with a slight chance of thunderstorms. .WEDNESDAY...East winds 10 to 15 knots. Bay waters a light to moderate chop. A chance of showers with a slight chance of thunderstorms. .WEDNESDAY NIGHT...East winds 10 to 15 knots, decreasing to near 10 knots. Bay waters a light to moderate chop, becoming a light chop. A chance of showers with a slight chance of thunderstorms. .THURSDAY...East winds near 10 knots, increasing to 10 to 15 knots. Bay waters a light chop, becoming a light to moderate chop. A slight chance of showers and thunderstorms. .THURSDAY NIGHT...East winds 10 to 15 knots. Bay waters a light to moderate chop. A slight chance of showers and thunderstorms. .FRIDAY...East to southeast winds near 10 knots. Bay waters a light chop. A slight chance of showers and thunderstorms. .FRIDAY NIGHT...East to southeast winds 10 to 15 knots. Bay waters a light to moderate chop. A slight chance of showers and thunderstorms. .SATURDAY...East to southeast winds 10 to 15 knots. Bay waters a light to moderate chop. A chance of showers with a slight chance of thunderstorms. .SATURDAY NIGHT...East to southeast winds 10 to 15 knots. Bay waters a light to moderate chop. A chance of showers with a slight chance of thunderstorms. .SUNDAY...East to southeast winds near 15 knots. Bay waters a moderate chop. A slight chance of showers and thunderstorms. .SUNDAY NIGHT...East winds 15 to 20 knots. Bay waters choppy. A chance of showers with a slight chance of thunderstorms. $$ GMZ032-035-201430- Bayside and Gulfside from Craig Key to west end of Seven Mile Bridge- Gulf of America from west end of Seven Mile Bridge to Halfmoon Shoal out to 5 Fathoms- 1021 PM EDT Tue May 19 2026 .OVERNIGHT...East winds near 15 knots. Seas 1 to 2 feet, except around 3 feet west of the Marquesas Keys. Nearshore waters a moderate chop. A chance of showers with a slight chance of thunderstorms. .WEDNESDAY...East winds 10 to 15 knots. Seas 1 to 2 feet, except subsiding to 2 to 3 feet west of the Marquesas Keys. Nearshore waters a light to moderate chop. A chance of showers with a slight chance of thunderstorms. .WEDNESDAY NIGHT...East winds 10 to 15 knots. Seas 1 to 2 feet. Nearshore waters a light to moderate chop. A chance of showers with a slight chance of thunderstorms. .THURSDAY...East winds near 10 knots, increasing to 10 to 15 knots. Seas 1 to 2 feet. Nearshore waters a light chop, becoming a light to moderate chop. A slight chance of showers and thunderstorms. .THURSDAY NIGHT...East winds 10 to 15 knots. Seas 1 to 2 feet. Nearshore waters a light to moderate chop. A slight chance of showers and thunderstorms. .FRIDAY...East to southeast winds near 10 knots. Seas around 1 foot. Nearshore waters a light chop. A slight chance of showers and thunderstorms. .FRIDAY NIGHT...East to southeast winds 10 to 15 knots. Seas 1 to 2 feet. Nearshore waters a light to moderate chop. A slight chance of showers and thunderstorms. .SATURDAY...East to southeast winds near 10 knots. Seas around 1 foot. Nearshore waters a light chop. A slight chance of showers and thunderstorms. .SATURDAY NIGHT...East to southeast winds 10 to 15 knots. Seas 1 to 2 feet. Nearshore waters a light to moderate chop. A chance of showers with a slight chance of thunderstorms. .SUNDAY...East to southeast winds near 15 knots. Seas 1 to 2 feet. Nearshore waters a moderate chop. A slight chance of showers and thunderstorms. .SUNDAY NIGHT...East winds 15 to 20 knots. Seas 2 to 3 feet. Nearshore waters choppy. A chance of showers and thunderstorms. $$ GMZ042>044-201430- Hawk Channel from Ocean Reef to Craig Key out to the reef- Hawk Channel from Craig Key to west end of Seven Mile Bridge out to the reef- Hawk Channel from west end of Seven Mile Bridge to Halfmoon Shoal out to the reef- 1021 PM EDT Tue May 19 2026 .OVERNIGHT...East winds near 15 knots. Seas 2 to 4 feet, occasionally to 5 feet, subsiding to 2 to 3 feet. Nearshore waters a moderate chop. A chance of showers with a slight chance of thunderstorms. .WEDNESDAY...East winds 10 to 15 knots. Seas 1 to 2 feet, except 2 to 3 feet west of Cosgrove Shoal Light. Nearshore waters a light to moderate chop. A chance of showers with a slight chance of thunderstorms. .WEDNESDAY NIGHT...East winds 10 to 15 knots. Seas 1 to 2 feet, except 2 to 3 feet west of Cosgrove Shoal Light. Nearshore waters a light to moderate chop. A chance of showers with a slight chance of thunderstorms. .THURSDAY...East winds near 10 knots, increasing to 10 to 15 knots. Seas 1 to 2 feet. Nearshore waters a light chop, becoming a light to moderate chop. A slight chance of showers and thunderstorms. .THURSDAY NIGHT...East winds 10 to 15 knots, becoming east to southeast. Seas around 2 feet. Nearshore waters a light to moderate chop. A slight chance of showers and thunderstorms. .FRIDAY...East to southeast winds near 10 knots. Seas 1 to 2 feet. Nearshore waters a light chop. A slight chance of showers and thunderstorms. .FRIDAY NIGHT...East to southeast winds 10 to 15 knots. Seas around 2 feet. Nearshore waters a light to moderate chop. A slight chance of showers and thunderstorms. .SATURDAY...East to southeast winds near 10 knots. Seas 1 to 2 feet. Nearshore waters a light chop. A slight chance of showers and thunderstorms. .SATURDAY NIGHT...East to southeast 10 to 15 knots. Seas 2 to 3 feet. Nearshore waters a light to moderate chop. A chance of showers with a slight chance of thunderstorms. .SUNDAY...East to southeast winds near 15 knots. Seas 2 to 3 feet. Nearshore waters a moderate chop. A slight chance of showers and thunderstorms. .SUNDAY NIGHT...East winds 15 to 20 knots. Seas 2 to 4 feet, occasionally to 5 feet. Nearshore waters choppy. A chance of showers with a slight chance of thunderstorms. $$ GMZ052>055-072>075-201430- Straits of Florida from Ocean Reef to Craig Key out 20 NM- Straits of Florida from Craig Key to west end of Seven Mile Bridge out 20 NM- Straits of Florida from west end of Seven Mile Bridge to south of Halfmoon Shoal out 20 NM- Straits of Florida from Halfmoon Shoal to 20 NM west of Dry Tortugas out 20 NM- Straits of Florida from Ocean Reef to Craig Key 20 to 60 NM out- Straits of Florida from Craig Key to west end of Seven Mile Bridge 20 to 60 NM out- Straits of Florida from west end of Seven Mile Bridge to south of Halfmoon Shoal 20 to 60 NM out- Straits of Florida from Halfmoon Shoal to 20 NM west of Dry Tortugas 20 to 60 NM out- 1021 PM EDT Tue May 19 2026 .OVERNIGHT...East winds near 15 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: East 4 feet at 5 seconds. A chance of showers with a slight chance of thunderstorms. .WEDNESDAY...East winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: East 4 feet at 5 seconds. A chance of showers with a slight chance of thunderstorms. .WEDNESDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: East 3 feet at 5 seconds. A chance of showers with a slight chance of thunderstorms. .THURSDAY...East winds 10 to 15 knots. Seas 2 to 4 feet, occasionally to 5 feet. A slight chance of showers and thunderstorms. .THURSDAY NIGHT...East winds 10 to 15 knots, becoming east to southeast. Seas 2 to 4 feet, occasionally to 5 feet. A slight chance of showers and thunderstorms. .FRIDAY...East to southeast winds near 10 knots. Seas 2 to 3 feet. A slight chance of showers and thunderstorms. .FRIDAY NIGHT...East to southeast winds 10 to 15 knots. Seas 2 to 4 feet, occasionally to 5 feet. A slight chance of showers and thunderstorms. .SATURDAY...East to southeast winds 10 to 15 knots. Seas 2 to 4 feet, occasionally to 5 feet. A slight chance of showers and thunderstorms. .SATURDAY NIGHT...East to southeast winds 10 to 15 knots. Seas 2 to 4 feet, occasionally to 5 feet. A chance of showers with a slight chance of thunderstorms. .SUNDAY...East to southeast winds near 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. A slight chance of showers and thunderstorms. .SUNDAY NIGHT...East winds 15 to 20 knots. Seas 3 to 5 feet, occasionally to 6 feet. A chance of showers with a slight chance of thunderstorms. $$ GMZ033-034-201430- Gulf of America from East Cape Sable to Chokoloskee 20 to 60 NM out and beyond 5 fathoms- Gulf of America including Dry Tortugas and Rebecca Shoal Channel- 1021 PM EDT Tue May 19 2026 .OVERNIGHT...East winds near 15 knots. Seas 2 to 4 feet, occasionally to 5 feet, subsiding to 2 to 3 feet. Wave Detail: East 3 feet at 4 seconds. A chance of showers with a slight chance of thunderstorms. .WEDNESDAY...East winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: East 3 feet at 5 seconds. A chance of showers with a slight chance of thunderstorms. .WEDNESDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: East 2 feet at 4 seconds. A chance of showers with a slight chance of thunderstorms. .THURSDAY...East winds near 10 knots. Seas around 2 feet. A slight chance of showers and thunderstorms. .THURSDAY NIGHT...East winds 10 to 15 knots, becoming east to southeast. Seas around 2 feet. A slight chance of showers and thunderstorms. .FRIDAY...East to southeast winds near 10 knots. Seas 1 to 2 feet. A slight chance of showers and thunderstorms. .FRIDAY NIGHT...East to southeast winds near 10 knots. Seas 1 to 2 feet. A slight chance of showers and thunderstorms. .SATURDAY...East to southeast winds 5 to 10 knots, increasing to near 10 knots. Seas around 1 foot. A slight chance of showers and thunderstorms. .SATURDAY NIGHT...East to southeast winds 10 to 15 knots. Seas 1 to 2 feet. A slight chance of showers and thunderstorms. .SUNDAY...East to southeast winds 10 to 15 knots. Seas around 2 feet. A slight chance of showers and thunderstorms. .SUNDAY NIGHT...East to southeast winds near 15 knots. Seas 2 to 4 feet, occasionally to 5 feet. A chance of showers and thunderstorms. $$  502 FZUS51 KLWX 200257 CWFLWX Coastal Waters Forecast National Weather Service Baltimore MD/Washington DC 1057 PM EDT Tue May 19 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. ANZ500-200800- 1057 PM EDT Tue May 19 2026 .SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY... Winds subside late tonight. Additional Small Craft Advisories may be needed through Thursday as a cold front crosses the waters. The front will bring scattered to numerous showers and thunderstorms Wednesday afternoon and evening. Special Marine Warnings may be needed for stronger thunderstorms during this time. No marine hazards are expected Thursday with Small Craft conditions returning Friday into the weekend. $$ ANZ535-200800- Tidal Potomac from Key Bridge to Indian Head- 1057 PM EDT Tue May 19 2026 .REST OF TONIGHT...SW winds 5 to 10 kt. Waves 1 ft. .WED...W winds 5 to 10 kt. Waves 1 ft. Showers likely with a chance of tstms. .WED NIGHT...N winds 5 to 10 kt. Waves 1 ft. Showers likely with a chance of tstms. .THU...NE winds 10 kt. Waves 1 ft. Showers. .THU NIGHT...NE winds 5 to 10 kt. Waves 1 ft. Showers likely. .FRI...E winds 5 to 10 kt. Waves 1 ft. Showers likely. .FRI NIGHT...E winds 5 to 10 kt. Waves 1 ft. Showers. .SAT...E winds 5 to 10 kt. Waves 1 ft. Showers, mainly in the morning. .SUN...E winds around 5 kt. Waves 1 ft. A chance of showers in the morning, then showers likely through the night. A chance of showers after midnight. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ536-200800- Tidal Potomac from Indian Head to Cobb Island- 1057 PM EDT Tue May 19 2026 .REST OF TONIGHT...SW winds 10 kt. Waves 1 ft. .WED...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers and tstms. .WED NIGHT...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. A chance of showers. .THU NIGHT...NE winds 5 to 10 kt. Waves 1 ft. Showers likely. .FRI...E winds 10 kt. Waves 1 ft. Showers likely. .FRI NIGHT...NE winds 5 to 10 kt. Waves 1 ft. Showers likely. .SAT...NE winds 5 kt. Waves less than 1 ft. Showers likely. .SUN...E winds around 5 kt. Waves 1 ft. A chance of showers. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ537-200800- Tidal Potomac from Cobb Island to Smith Point- 1057 PM EDT Tue May 19 2026 .REST OF TONIGHT...SW winds 10 kt. Waves 1 ft. .WED...SW winds 5 to 10 kt. Waves 1 ft. .WED NIGHT...N winds 5 to 10 kt. Waves 1 ft. A chance of showers and tstms. .THU...NE winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. A chance of showers. .THU NIGHT...NE winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. Showers likely. .FRI...E winds 10 to 15 kt with gusts to 20 kt. Waves 3 ft. Showers likely. .FRI NIGHT...E winds 10 to 15 kt with gusts to 20 kt. Waves 2 to 3 ft. Showers likely. .SAT...E winds 5 to 10 kt. Waves 1 ft. Showers likely. A chance of tstms after midnight. .SUN...E winds 5 kt. Waves less than 1 ft. A chance of showers. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ530-200800- Chesapeake Bay north of Pooles Island- 1057 PM EDT Tue May 19 2026 .REST OF TONIGHT...SW winds 5 kt. Waves less than 1 ft. .WED...W winds 5 to 10 kt. Waves 1 ft. Showers likely with a chance of tstms. .WED NIGHT...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...E winds 5 to 10 kt. Waves 1 ft. A chance of showers. .FRI...E winds 5 to 10 kt. Waves 1 ft. Showers likely. .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 through the day. Showers likely through the night. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ531-200800- Chesapeake Bay from Pooles Island to Sandy Point- 1057 PM EDT Tue May 19 2026 .REST OF TONIGHT...SW winds 10 kt. Waves 1 ft. .WED...SW winds 5 to 10 kt. Waves 1 ft. Showers likely with a chance of tstms. .WED NIGHT...N winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft. Showers likely with a chance of tstms. .THU...NE winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. Showers likely. .THU NIGHT...E winds 5 to 10 kt. Waves 1 ft. A chance of showers. .FRI...E winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. Showers likely. .FRI NIGHT...E winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft. Showers. .SAT...E winds 5 to 10 kt. Waves 1 ft. Showers through the day, then showers likely through the night. .SUN...E winds 5 to 10 kt. Waves 1 ft. A chance of showers. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ538-200800- Patapsco River including Baltimore Harbor- 1057 PM EDT Tue May 19 2026 .REST OF TONIGHT...SW winds 5 kt. Waves flat. .WED...W winds 5 to 10 kt. Waves 1 ft. Showers likely with a chance of tstms. .WED NIGHT...N winds 5 to 10 kt. Waves 1 ft. Showers likely with a chance of tstms. .THU...NE winds 10 kt. Waves 1 ft. Showers likely. .THU NIGHT...E 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 1 ft. Showers. .FRI NIGHT...E winds 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 around 5 kt. Waves 1 ft or less. A chance of showers. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ539-200800- Chester River to Queenstown MD- 1057 PM EDT Tue May 19 2026 .REST OF TONIGHT...SW winds 10 kt. Waves 1 ft. .WED...SW winds 5 to 10 kt. Waves 1 ft. Showers likely with a chance of tstms. .WED NIGHT...N winds 5 to 10 kt. Waves 1 ft. Showers likely with a chance of tstms. .THU...NE winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. Showers likely. .THU NIGHT...E winds 10 kt. Waves 1 ft. A chance of showers. .FRI...E winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft. Showers likely. .FRI NIGHT...E winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft. Showers. .SAT...E winds 5 to 10 kt. Waves 1 ft. Showers through the day, then showers likely through the night. .SUN...E winds 5 kt. Waves less than 1 ft. A chance of showers in the morning, then showers likely through the night. A chance of showers after midnight. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ532-200800- Chesapeake Bay from Sandy Point to North Beach- 1057 PM EDT Tue May 19 2026 .REST OF TONIGHT...S winds 10 kt. Waves 1 to 2 ft. .WED...SW winds 5 to 10 kt. Waves 1 ft. Showers likely with a chance of tstms. .WED NIGHT...NW 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 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 likely. .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 to 10 kt. Waves 1 ft. A chance of showers in the morning, then showers likely through the night. A chance of showers after midnight. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ540-200800- Eastern Bay- 1057 PM EDT Tue May 19 2026 .REST OF TONIGHT...S winds 10 kt. Waves 1 ft. .WED...SW winds 5 to 10 kt. Waves 1 ft. Showers likely with a chance of tstms. .WED NIGHT...N winds 5 to 10 kt. Waves 1 ft. Showers likely with a chance of tstms. .THU...NE winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. Showers likely. .THU NIGHT...NE winds 10 kt. Waves 1 ft. Showers likely. .FRI...E winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. Showers likely. .FRI NIGHT...E winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft. Showers. .SAT...E winds 5 to 10 kt. Waves 1 ft. Showers through the day, then showers likely through the night. .SUN...E winds 5 kt. Waves less than 1 ft. A chance of showers in the morning, then showers likely through the night. A chance of showers after midnight. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ533-200800- Chesapeake Bay from North Beach to Drum Point- 1057 PM EDT Tue May 19 2026 .REST OF TONIGHT...S winds 10 kt. Waves 1 ft. .WED...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers. .WED NIGHT...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 10 to 15 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 likely. .FRI NIGHT...E winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. Showers likely. .SAT...E winds 5 to 10 kt. Waves 1 ft. Showers likely. .SUN...E winds 5 to 10 kt. Waves 1 ft. A chance of showers in the morning, then showers likely through the night. A chance of showers after midnight. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ541-200800- Choptank River to Cambridge MD and the Little Choptank River- 1057 PM EDT Tue May 19 2026 .REST OF TONIGHT...S winds 10 kt. Waves 1 ft. .WED...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers. .WED NIGHT...NW winds 5 to 10 kt. Waves 1 ft. Showers likely with a chance of tstms. .THU...NE winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. Showers likely. .THU NIGHT...NE winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft. Showers likely. .FRI...E winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. Showers likely. .FRI NIGHT...E winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft. Showers likely. .SAT...E winds 5 to 10 kt. Waves 1 ft. Showers likely. .SUN...E winds 5 kt. Waves less than 1 ft. A chance of showers in the morning, then showers likely through the night. A chance of showers after midnight. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ542-200800- Patuxent River to Broomes Island MD- 1057 PM EDT Tue May 19 2026 .REST OF TONIGHT...S winds 10 kt. Waves 1 ft. .WED...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers. .WED NIGHT...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. A chance of showers. .THU NIGHT...NE winds 10 kt. Waves 1 ft. Showers likely. .FRI...E winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft. Showers likely. .FRI NIGHT...E winds 5 to 10 kt. Waves 1 ft. Showers likely. .SAT...NE winds 5 to 10 kt. Waves 1 ft. Showers likely. .SUN...E winds 5 kt. Waves less than 1 ft. A chance of showers in the morning, then showers likely through the night. A chance of showers after midnight. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ534-200800- Chesapeake Bay from Drum Point to Smith Point- 1057 PM EDT Tue May 19 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 AM EDT WEDNESDAY... ...SMALL CRAFT ADVISORY IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH WEDNESDAY EVENING... .REST OF TONIGHT...S winds 15 kt with gusts to 20 kt. Waves 2 ft. .WED...SW winds 10 to 15 kt...becoming S late. Gusts up to 20 kt. Waves 2 ft. .WED NIGHT...SE winds 10 to 15 kt with gusts to 20 kt...becoming N 5 to 10 kt in the late evening and overnight. Waves 1 to 2 ft. A chance of showers and tstms. .THU...NE winds 10 to 15 kt with gusts to 20 kt. Waves 3 ft. A chance of showers. .THU NIGHT...NE winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. Showers likely. .FRI...E winds 15 kt with gusts to 25 kt. Waves 3 ft. Showers likely. .FRI NIGHT...E winds 10 to 15 kt with gusts to 20 kt. Waves 2 to 3 ft. Showers likely. .SAT...E winds 5 to 10 kt. Waves 1 ft. Showers likely. A chance of tstms through the night. .SUN...E winds 5 to 10 kt...becoming S after midnight. Waves 1 ft. Showers likely in the morning, then a chance of showers in the afternoon. Showers likely through the night. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ543-200800- Tangier Sound and the inland waters surrounding Bloodsworth Island- 1057 PM EDT Tue May 19 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 AM EDT WEDNESDAY... ...SMALL CRAFT ADVISORY IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH WEDNESDAY EVENING... .REST OF TONIGHT...S winds 15 kt with gusts to 20 kt. Waves 2 ft. .WED...S winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. .WED NIGHT...S winds 10 to 15 kt with gusts to 20 kt...becoming N 5 to 10 kt with gusts to 20 kt in the late evening and overnight. 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 likely. .FRI...E winds 15 kt with gusts to 25 kt. Waves 2 ft. Showers likely. .FRI NIGHT...E winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft. Showers likely. .SAT...E winds 5 to 10 kt. Waves 1 ft. Showers likely. A chance of tstms through the night. .SUN...E winds 5 to 10 kt...becoming S after midnight. Waves 1 ft. Winds and waves higher and visibilities lower in and near tstms. $$