FZUS51 KBOX 220505 CWFBOX Coastal Waters Forecast for Massachusetts and Rhode Island National Weather Service Boston/Norton MA 105 AM EDT Sat Aug 22 2026 Coastal waters from the Merrimack River MA to Watch Hill RI out to 60 NM ANZ200-221800- 105 AM EDT Sat Aug 22 2026 .Synopsis for Massachusetts and Rhode Island coastal waters... Weak low pres lingers SE of the Cape and Nantucket through Sat along a stalled front. High pres pushes this front farther offshore sometime Mon into Mon night. This high pres should remain over the waters through Wed. $$ ANZ250-221800- Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- 105 AM EDT Sat Aug 22 2026 .REST OF TONIGHT...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: N 2 ft at 4 seconds and SE 2 ft at 5 seconds. A chance of showers. .SAT...NE winds 10 to 15 kt. Gusts up to 20 kt in the morning. Seas 2 to 4 ft. Wave Detail: E 3 ft at 5 seconds and E 2 ft at 8 seconds. A chance of showers. .SAT NIGHT...NE winds 5 to 10 kt, becoming S after midnight. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 7 seconds and N 1 foot at 4 seconds. Patchy fog. A chance of showers after midnight. .SUN...SE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 2 ft at 4 seconds and N 1 foot at 4 seconds. A chance of showers. Patchy fog in the morning. .SUN NIGHT THROUGH MON NIGHT...W winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 6 seconds and SW 1 foot at 3 seconds. .TUE THROUGH WED NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 2 ft at 6 seconds and W 1 foot at 3 seconds. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ251-221800- Massachusetts Bay and Ipswich Bay- 105 AM EDT Sat Aug 22 2026 .REST OF TONIGHT...NE winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: N 2 ft at 4 seconds and SE 2 ft at 5 seconds. A slight chance of showers. .SAT...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at 5 seconds and E 2 ft at 8 seconds. A chance of showers. .SAT NIGHT...NE winds 5 to 10 kt, becoming N after midnight. Seas around 2 ft. Wave Detail: E 2 ft at 7 seconds and N 1 foot at 4 seconds. Patchy fog. A chance of showers. .SUN...E winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SE 2 ft at 6 seconds and N 1 foot at 4 seconds. A chance of showers. Patchy fog in the morning. .SUN NIGHT THROUGH MON NIGHT...W winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SE 2 ft at 7 seconds and SE 1 foot at 12 seconds. .TUE THROUGH WED NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: E 2 ft at 7 seconds and W 1 foot at 2 seconds. 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. $$ ANZ231-221800- Cape Cod Bay- 105 AM EDT Sat Aug 22 2026 .REST OF TONIGHT...NE winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. Wave Detail: NE 2 ft at 4 seconds and S 1 foot at 5 seconds. A chance of showers. .SAT...NE winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt in the afternoon. Seas around 2 ft. Wave Detail: N 2 ft at 3 seconds and NE 2 ft at 3 seconds. A chance of showers. .SAT NIGHT...N winds around 5 kt, becoming S after midnight. Seas around 2 ft. Wave Detail: N 1 foot at 4 seconds and S 1 foot at 5 seconds. Patchy fog. A chance of showers after midnight. .SUN...E winds 5 to 10 kt, becoming S in the afternoon. Seas around 2 ft. Wave Detail: N 1 foot at 4 seconds and NE 1 foot at 4 seconds. A chance of showers. Patchy fog in the morning with vsby 1 to 3 NM. .SUN NIGHT THROUGH MON NIGHT...SW winds 5to 10 kt with gusts up to 20 kt. Seas around 2 ft. Wave Detail: E 2 ft at 7 seconds and S 1 foot at 2 seconds. .TUE THROUGH WED NIGHT...SW winds 5 to 10 kt with gusts up to 20 kt. Seas around 2 ft. Wave Detail: W 2 ft at 6 seconds and W 1 foot at 2 seconds. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ254-221800- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 NM- 105 AM EDT Sat Aug 22 2026 .REST OF TONIGHT...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft. Wave Detail: NE 3 ft at 4 seconds and E 2 ft at 8 seconds. A chance of showers. .SAT...NE winds 10 to 15 kt with gusts up to 20 kt, becoming N 5 to 10 kt in the afternoon. Seas 2 to 4 ft. Wave Detail: NE 3 ft at 4 seconds and E 2 ft at 8 seconds. A chance of showers in the morning. .SAT NIGHT...W winds 5 to 10 kt, becoming S after midnight. Seas 2 to 3 ft. Wave Detail: E 2 ft at 5 seconds and NW 1 foot at 3 seconds. Patchy fog. A chance of showers after midnight. .SUN...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 2 ft at 6 seconds and N 1 foot at 4 seconds. Showers likely in the morning. A chance of showers in the afternoon. Patchy fog in the morning. .SUN NIGHT...SW winds 5 to 10 kt. Seas 2 to 4 ft. Wave Detail: SE 3 ft at 7 seconds and W 1 foot at 3 seconds. A chance of showers in the evening. .MON AND MON NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Wave Detail: SE 3 ft at 7 seconds and W 1 foot at 3 seconds. .TUE THROUGH WED NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. 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. $$ ANZ255-221800- Coastal Waters extending out to 25 NM South of Marthas Vineyard and Nantucket- 105 AM EDT Sat Aug 22 2026 .REST OF TONIGHT...NE winds 15 to 20 kt. Seas 2 to 3 ft. Wave Detail: N 3 ft at 6 seconds and S 2 ft at 5 seconds. A slight chance of showers. .SAT...NE winds 10 to 15 kt with gusts up to 20 kt, becoming N 5 to 10 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: N 3 ft at 4 seconds and S 2 ft at 5 seconds. .SAT NIGHT...W winds around 5 kt, becoming SE after midnight. Seas 2 to 3 ft. Wave Detail: E 2 ft at 5 seconds and NW 1 foot at 3 seconds. Patchy fog. A chance of showers after midnight. .SUN...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 2 ft at 5 seconds and N 1 foot at 5 seconds. Showers likely in the morning. A chance of showers in the afternoon. Patchy fog in the morning with vsby 1 to 3 NM. .SUN NIGHT...SW winds 5 to 10 kt. Seas 4 to 6 ft. Wave Detail: SE 4 ft at 6 seconds and NW 1 foot at 4 seconds. A chance of showers in the evening. .MON...SW winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 4 to 6 ft. Wave Detail: S 4 ft at 7 seconds and SW 3 ft at 3 seconds. .MON NIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt in the evening. Seas 3 to 5 ft. .TUE THROUGH WED NIGHT...SW winds 15 to 20 kt. Seas 2 to 3 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ256-221800- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 NM South of Block Island- 105 AM EDT Sat Aug 22 2026 .REST OF TONIGHT...NE winds 15 to 20 kt. Seas around 3 ft. Wave Detail: N 3 ft at 5 seconds and S 1 foot at 5 seconds. A slight chance of showers. .SAT...NE winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: N 3 ft at 5 seconds and S 1foot at 5 seconds. A chance of showers in the afternoon. .SAT NIGHT...E winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: NE 2 ft at 5 seconds and S 1 foot at 5 seconds. A chance of showers. Patchy fog after midnight with vsby 1 to 3 NM. .SUN...SE winds 5 to 10 kt, becoming SW in the afternoon. Seas 2 to 3 ft. Wave Detail: SE 2 ft at 5 seconds and SE 2 ft at 12 seconds. A chance of showers. Patchy fog in the morning with vsby 1 to 3 NM. .SUN NIGHT AND MON...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 6 ft. Wave Detail: SE 4 ft at 6 seconds and SW 3 ft at 5 seconds. .MON NIGHT...W winds 10 to 15 kt. Gusts up to 20 kt in the evening. Seas 3 to 5 ft. Wave Detail: SE 4 ft at 7 seconds and W 2 ft at 5 seconds. .TUE THROUGH WED NIGHT...SW winds 15 to 20 kt. Seas 2 to 3 ft. 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. $$ ANZ232-221800- Nantucket Sound- 105 AM EDT Sat Aug 22 2026 .REST OF TONIGHT...NE winds 15 to 20 kt. Seas 2 to 3 ft. Wave Detail: NE 3 ft at 4 seconds and N 2 ft at 7 seconds. A chance of showers. .SAT...NE winds 10 to 15 kt with gusts up to 20 kt, becoming N 5 to 10 kt in the afternoon. Seas around 2 ft. Wave Detail: NE 2 ft at 4 seconds and S 1 foot at 5 seconds. .SAT NIGHT...NW winds 5 to 10 kt, becoming SE after midnight. Seas around 2 ft. Wave Detail: E 2 ft at 5 seconds and N 1 foot at 2 seconds. Patchy fog. A chance of showers after midnight with vsby 1 to 3 NM. .SUN...SE winds 5 to 10 kt, becoming S in the afternoon. Seas around 2 ft. Wave Detail: SE 1 foot at 4 seconds and N 1 foot at 5 seconds. Showers likely in the morning. A chance of showers in the afternoon. Patchy fog in the morning with vsby 1 to 3 NM. .SUN NIGHT THROUGH MON NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at 3 seconds and W 2 ft at 3 seconds. .TUE THROUGH WED NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 5 seconds and W 2 ft at 3 seconds. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ233-221800- Vineyard Sound- 105 AM EDT Sat Aug 22 2026 .REST OF TONIGHT...NE winds around 15 kt with gusts up to 20 kt. Seas around 2 ft. Wave Detail: NE 2 ft at 3 seconds and N 2 ft at 4 seconds. A slight chance of showers. .SAT...NE winds 10 to 15 kt with gusts up to 20 kt, becoming N 5 to 10 kt in the afternoon. Seas around 2 ft. Wave Detail: N 2 ft at 4 seconds and S 1 foot at 6 seconds. A chance of showers in the afternoon. .SAT NIGHT...NE winds 5 to 10 kt, becoming SE after midnight. Seas around 2 ft. Wave Detail: N 1 foot at 3 seconds and S 1 foot at 5 seconds. A chance of showers. Patchy fog after midnight. .SUN...SE winds 5 to 10 kt, becoming S in the afternoon. Seas around 2 ft. Wave Detail: SE 1 foot at 4 seconds and N 1 foot at 5 seconds. Showers likely in the morning. A chance of showers in the afternoon. Patchy fog in the morning with vsby 1 to 3 NM. .SUN NIGHT THROUGH MON NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 4 seconds and E 1 foot at 5 seconds. .TUE THROUGH WED NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 3 seconds and SW 3 ft at 5 seconds. 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. $$ ANZ234-221800- Buzzards Bay- 105 AM EDT Sat Aug 22 2026 .REST OF TONIGHT...NE winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. Wave Detail: N 2 ft at 4 seconds and S 1 foot at 6 seconds. A chance of showers. .SAT...NE winds 10 to 15 kt with gusts up to 20 kt, becoming N 5 to 10 kt in the afternoon. Seas around 2 ft in the morning, then 1 foot or less. Wave Detail: N 2 ft at 4 seconds and S 1 foot at 5 seconds, becoming N 1 foot at 4 seconds and S 1 foot at 5 seconds. A chance of showers in the afternoon. .SAT NIGHT...N winds 5 to 10 kt, becoming E after midnight. Seas 1 foot or less. Wave Detail: N 1 foot at 3 seconds and S 1 foot at 5 seconds. A chance of showers. Patchy fog after midnight. .SUN...E winds 5 to 10 kt, becoming S in the afternoon. Seas around 2 ft. Wave Detail: SE 2 ft at 4 seconds and N 1 foot at 4 seconds. Showers likely in the morning. A chance of showers in the afternoon. Patchy fog in the morning with vsby 1 to 3 NM. .SUN NIGHT THROUGH MON NIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 4 seconds and E 1 foot at 4 seconds. .TUE AND TUE NIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: SW 3 ft at 5 seconds and SW 2 ft at 4 seconds. .WED AND WED NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ235-221800- Rhode Island Sound- 105 AM EDT Sat Aug 22 2026 .REST OF TONIGHT...NE winds 15 to 20 kt. Seas 2 to 3 ft. Wave Detail: NE 3 ft at 4 seconds and N 2 ft at 4 seconds. A slight chance of showers. .SAT...NE winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: N 3 ft at 4 seconds and S 1 foot at 5 seconds. A chance of showers in the afternoon. .SAT NIGHT...NE winds 5 to 10 kt. Seas around 2 ft. Wave Detail: N 2 ft at 4 seconds and S 1 foot at 5 seconds. A chance of showers. Patchy fog after midnight. .SUN...E winds 5 to 10 kt, becoming S in the afternoon. Seas 2 to 3 ft. Wave Detail: SE 2 ft at 4 seconds and N 1 foot at 4 seconds. A chance of showers. Patchy fog in the morning. .SUN NIGHT AND MON...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. Wave Detail: SE 4 ft at 7 seconds and W 2 ft at 3 seconds. .MON NIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt in the evening. Seas 2 to 4 ft. Wave Detail: S 4 ft at 7 seconds and W 1 foot at 4 seconds. .TUE THROUGH WED NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 3 ft. 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. $$ ANZ237-221800- Block Island Sound- 105 AM EDT Sat Aug 22 2026 .REST OF TONIGHT...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: NE 3 ft at 5 seconds and S 1 foot at 5 seconds. A slight chance of showers. .SAT...NE winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: NE 3 ft at 5 seconds and S 1 foot at 5 seconds. A chance of showers in the afternoon. .SAT NIGHT...E winds 5 to 10 kt. Seas around 2 ft. Wave Detail: NE 2 ft at 4 seconds and S 1 foot at 5 seconds. A chance of showers. Patchy fog after midnight. .SUN...E winds 5 to 10 kt, becoming S in the afternoon. Seas 2 to 3 ft. Wave Detail: SE 2 ft at 5 seconds and N 1 foot at 4 seconds. Showers likely, mainly in the morning. Patchy fog in the morning. .SUN NIGHT AND MON...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. Wave Detail: SE 3 ft at 6 seconds and SW 1 foot at 2 seconds. .MON NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, becoming W 5 to 10 kt after midnight. Seas 2 to 4 ft. Wave Detail: SE 3 ft at 7 seconds and W 1 foot at 3 seconds. .TUE THROUGH WED NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ230-221800- Boston Harbor- 105 AM EDT Sat Aug 22 2026 .REST OF TONIGHT...NE winds 5 to 10 kt. Waves around 2 ft. A slight chance of showers. .SAT...NE winds 10 to 15 kt. Waves around 2 ft. A chance of showers. .SAT NIGHT...N winds 5 to 10 kt, diminishing to around 5 kt after midnight. Waves 1 foot or less. Patchy fog. A chance of showers. .SUN...E winds 5 to 10 kt. Waves 1 foot or less. A chance of showers. Patchy fog in the morning. .SUN NIGHT THROUGH MON NIGHT...W winds 5 to 10 kt. Waves around 2 ft. .TUE THROUGH WED NIGHT...SW winds 5 to 10 kt. Waves around 2 ft. 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. $$ ANZ236-221800- Narragansett Bay- 105 AM EDT Sat Aug 22 2026 .REST OF TONIGHT...N winds around 10 kt. Waves around 2 ft. A slight chance of showers. .SAT...N winds 5 to 10 kt. Waves around 2 ft. A chance of showers in the afternoon. .SAT NIGHT...NE winds around 5 kt. Waves around 2 ft. A chance of showers. Patchy fog after midnight. .SUN...E winds 5 to 10 kt, becoming S in the afternoon. Waves around 2 ft. A chance of showers. Patchy fog in the morning. .SUN NIGHT THROUGH MON NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Waves 2 to 3 ft. .TUE THROUGH WED NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Waves around 2 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ280-221800- Ocean Waters from the Merrimack River to Plymouth from 40 to 60 NM- 105 AM EDT Sat Aug 22 2026 .REST OF TONIGHT...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: N 2 ft at 4 seconds and E 2 ft at 8 seconds. A chance of showers. .SAT...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft. Wave Detail: E 3 ft at 4 seconds and SE 2 ft at 7 seconds. A chance of showers. .SAT NIGHT...E winds 5 to 10 kt, becoming S after midnight. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 7 seconds and N 1 foot at 3 seconds. Patchy fog. A chance of showers after midnight. .SUN...SE winds 5 to 10 kt, becoming S 10 to 15 kt in the afternoon. Seas around 3 ft. Wave Detail: SE 2 ft at 5 seconds and E 2 ft at 8 seconds. A chance of showers. Patchy fog in the morning. Vsby 1 to 3 NM. .SUN NIGHT THROUGH MON NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft. Wave Detail: SE 4 ft at 7 seconds and W 2 ft at 3 seconds. .TUE THROUGH WED NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Wave Detail: SE 3 ft at 7 seconds and W 2 ft at 3 seconds. 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. $$ ANZ281-221800- Ocean Waters from Provincetown to Nantucket from 20 to 60 NM- 105 AM EDT Sat Aug 22 2026 .REST OF TONIGHT...E winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft. Wave Detail: NE 3 ft at 4 seconds and SW 2 ft at 6 seconds. A chance of showers. .SAT...NE winds 10 to 15 kt, diminishing to 5 to 10 kt in the afternoon. Gusts up to 20 kt. Seas 3 to 4 ft. Wave Detail: NE 3 ft at 5 seconds and SW 2 ft at 6 seconds. A chance of showers in the morning. .SAT NIGHT...S winds 5 to 10 kt. Seas around 3 ft. Wave Detail: NE 2 ft at 4 seconds and S 2 ft at 5 seconds. Patchy fog. A chance of showers after midnight with vsby 1 to3 NM. .SUN...S winds 10 to 15 kt. Gusts up to 20 kt in the afternoon. Seas 3 to 4 ft. Wave Detail: SE 2 ft at 5 seconds and N 1 foot at 4 seconds. Showers in the morning. A chance of showers in the afternoon. Patchy fog in the morning. Vsby 1 to 3 NM. .SUN NIGHT...SW winds 5 to 10 kt. Seas 3 to 5 ft. Wave Detail: S 4 ft at 7 seconds and NW 1 foot at 4 seconds. A chance of showers. .MON...SW winds 5 to 10 kt. Gusts up to 20 kt in the afternoon. Seas 4 to 6 ft. Wave Detail: SE 4 ft at 7 seconds and W 1 foot at 3 seconds. A chance of showers in the morning. .MON NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 6 ft. .TUE THROUGH WED NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ282-221800- Ocean Waters from Marthas Vineyard to Nantucket from 25 to 60 NM- 105 AM EDT Sat Aug 22 2026 .REST OF TONIGHT...NE winds 5 to 10 kt. Seas around 3 ft. Wave Detail: SW 3 ft at 5 seconds and NE 2 ft at 7 seconds. A slight chance of showers. .SAT...N winds 5 to 10 kt, becoming NW in the afternoon. Seas around 3 ft. Wave Detail: N 2 ft at 5 seconds and SW 2 ft at 5 seconds. .SAT NIGHT...SW winds around 5 kt, becoming S after midnight. Seas 3 to 4 ft. Wave Detail: S 2 ft at 4 seconds and N 2 ft at 5 seconds. A chance of showers. Patchy fog after midnight with vsby 1 to 3 NM. .SUN...S winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. Wave Detail: S 3 ft at 5 seconds and SE 2 ft at 12 seconds. Showers in the morning. A chance of showers in the afternoon. Patchy fog in the morning with vsby 1 to 3 NM. .SUN NIGHT...SW winds 5 to 10 kt. Seas 5 to 7 ft. Wave Detail: SE 4 ft at 7 seconds and N 1 foot at 4 seconds. A chance of showers. .MON...SW winds 5 to 10 kt. Seas 5 to 7 ft. Wave Detail: SE 5 ft at 7 seconds and W 2 ft at 4 seconds. A chance of showers in the morning. .MON NIGHT...SW winds around 10 kt. Seas 4 to 6 ft. .TUE THROUGH WED NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft. 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. $$ ANZ283-221800- Ocean Waters from Montauk NY to Marthas Vineyard from 25 to 60 NM- 105 AM EDT Sat Aug 22 2026 .REST OF TONIGHT...NE winds 10 to 15 kt with gusts up to 20 kt. Seas around 3 ft. Wave Detail: N 3 ft at 5 seconds and S 2 ft at 5 seconds. .SAT...N winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt in the afternoon. Seas around 3 ft. Wave Detail: N 3 ft at 5 seconds and SE 2 ft at 8 seconds. A chance of showers in the afternoon. .SAT NIGHT...SE winds 5 to 10 kt. Seas around 3 ft. Wave Detail: NE 2 ft at 5 seconds and E 2 ft at 8 seconds. A chance of showers. Patchy fog after midnight with vsby 1 to 3 NM. .SUN...S winds around 10 kt. Seas 3 to 5 ft. Wave Detail: S 3 ft at 5 seconds and NE 1 foot at 5 seconds. Showers in the morning. A chance of showers in the afternoon. Patchy fog in the morning with vsby 1 to 3 NM. .SUN NIGHT...SW winds around 10 kt. Seas 5 to 7 ft. Wave Detail: E 5 ft at 8 seconds and S 4 ft at 6 seconds. A chance of showers in the evening. .MON AND MON NIGHT...W winds 10 to 15 kt. Seas 4 to 6 ft. Wave Detail: S 4 ft at 7 seconds and W 3 ft at 5 seconds. .TUE THROUGH WED NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ For the latest updates...please visit our webpage at www.weather.gov/boston You canfollow us on Facebook at www.facebook.com/us.nationalweatherservice.boston.gov You can follow us on Twitter at @NWSBoston