FZUS51 KBOX 231105 CWFBOX Coastal Waters Forecast for Massachusetts and Rhode Island National Weather Service Boston/Norton MA 704 AM EDT Sun Aug 23 2026 Coastal waters from the Merrimack River MA to Watch Hill RI out to 60 NM ANZ200-240000- 704 AM EDT Sun Aug 23 2026 .Synopsis for Massachusetts and Rhode Island coastal waters... Weak low pres continues moving N over the eastern waters today. Periods of showers possible. High pres pushes this front farther offshore sometime Mon into Mon night. This high pres should remain over the waters through Wed. $$ ANZ250-240000- Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- 704 AM EDT Sun Aug 23 2026 .TODAY...E winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: N 2 ft at 5 seconds and SE 1 foot at 5 seconds. Patchy fog. A chance of showers this morning. A slight chance of showers this afternoon. Vsby 1 NM or less. .TONIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at 4 seconds and E 2 ft at 8 seconds. Patchy fog. Vsby 1 to 3 NM. .MON...SW winds 5 to 10 kt, becoming S 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: E 3 ft at 7 seconds and S 2 ft at 4 seconds. .MON NIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt in the evening. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 7 seconds and W 2 ft at 3 seconds. .TUE...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 2 ft at 6 seconds and W 1 foot at 3 seconds. .TUE NIGHT...W winds around 10 kt. Seas around 2 ft. Wave Detail: SE 2 ft at 7 seconds and W 1 foot at 3 seconds. .WED THROUGH THU...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .THU NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. A chance of showers. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ251-240000- Massachusetts Bay and Ipswich Bay- 704 AM EDT Sun Aug 23 2026 .TODAY...E winds 5 to 10 kt. Seas around 2 ft. Wave Detail: NE 2 ft at 5 seconds and SE 1 foot at 5 seconds. Patchy fog. A slight chance of showers. Vsby 1 NM or less, increasing to 1 to 3 NM this afternoon. .TONIGHT...S winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SE 2 ft at 7 seconds and N 1 foot at 4 seconds. Patchy fog. Vsby 1 to 3 NM. .MON...SW winds 5 to 10 kt. Gusts up to 20 kt in the afternoon. Seas around 2 ft. Wave Detail: SE 2 ft at 6 seconds and SW 1 foot at 2 seconds. .MON NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: S 2 ft at 3 seconds and E 2 ft at 7 seconds. .TUE AND TUE NIGHT...W winds 5 to 10 kt. Seas around 2 ft. Wave Detail: E 2 ft at 7 seconds and W 1 foot at 2 seconds. .WED THROUGH THU...S winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. Wave Detail: SE 2 ft at 3 seconds and E 2 ft at 3 seconds. .THU NIGHT...S winds 10 to 15 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. $$ ANZ231-240000- Cape Cod Bay- 704 AM EDT Sun Aug 23 2026 .TODAY...E winds 5 to 10 kt, becoming S this afternoon. Seas around 2 ft. Wave Detail: E 1 foot at 5 seconds and E 1 foot at 8 seconds. Patchy fog. A chance of showers this morning. Vsby 1 NM or less, increasing to 1 to 3 NM this afternoon. .TONIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: S 1 foot at 2 seconds and N 1 foot at 5 seconds. Patchy fog. Vsby 1 to 3 NM in the evening. .MON...SW winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: SW 1 foot at 2 seconds and NE 1 foot at 4 seconds. .MON NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt after midnight. Seas around 2 ft. Wave Detail: SW 1 foot at 3 seconds and E 1 foot at 7 seconds. .TUE AND TUE NIGHT...W winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 4 seconds and W 1 foot at 2 seconds. .WED THROUGH THU...S winds 5 to 10 kt with gusts up to 20 kt. Seas around 2 ft. Wave Detail: SW 2 ft at 4 seconds and SE 2 ft at 13 seconds. .THU NIGHT...S winds 5 to 10 kt. Seas around 2 ft. A chance of showers. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ254-240000- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 NM- 704 AM EDT Sun Aug 23 2026 .TODAY...SE winds 5 to 10 kt with gusts up to 20 kt, becoming S this afternoon. Seas 2 to 3 ft. Wave Detail: S 2 ft at 4 seconds and NE 2 ft at 5 seconds. Patchy fog. A chance of showers, mainly this morning. Vsby 1 NM or less, increasing to 1 to 3 NM this afternoon. .TONIGHT...S winds around 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 7 seconds and W 1 foot at 3 seconds. Patchy fog. Vsby 1 to 3 NM in the evening. .MON...SW winds 5 to 10 kt. Gusts up to 20 kt in the afternoon. Seas 2 to 4 ft. Wave Detail: SE 3 ft at 7 seconds and W 1 foot at 3 seconds. .MON NIGHT...SW winds around 10 kt. Gusts up to 20 kt in the evening. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 7 seconds and W 1 foot at 3 seconds. .TUE AND TUE NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft at 7 seconds and W 2 ft at 4 seconds. .WED THROUGH THU...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 9 seconds and SW 2 ft at 4 seconds. .THU NIGHT...S winds around 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. $$ ANZ255-240000- Coastal Waters extending out to 25 NM South of Marthas Vineyard and Nantucket- 704 AM EDT Sun Aug 23 2026 .TODAY...SE winds 5 to 10 kt, becoming SW this afternoon. Seas 2 to 3 ft. Wave Detail: NE 2 ft at 5 seconds and S 2 ft at 5 seconds. Patchy fog this morning. A chance of showers this morning with vsby 1 NM or less. .TONIGHT...SW winds 10 to 15 kt. Seas 2 to 4 ft. Wave Detail: S 4 ft at 6 seconds and SE 2 ft at 9 seconds. Patchy fog. Vsby 1 to 3 NM in the evening. .MON...SW winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: SE 4 ft at 7 seconds and W 3 ft at 3 seconds. .MON NIGHT...SW winds around 10 kt. Seas around 3 ft. Wave Detail: SE 3 ft at 7 seconds and W 1 foot at 4 seconds. .TUE AND TUE NIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: W 4 ft at 5 seconds and SW 4 ft at 6 seconds. .WED THROUGH THU...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: W 3 ft at 4 seconds and SE 2 ft at 10 seconds. .THU NIGHT...SE winds around 10 kt. Seas 2 to 3 ft. A chance of showers. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ256-240000- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 NM South of Block Island- 704 AM EDT Sun Aug 23 2026 .TODAY...SE winds 5 to 10 kt, becoming SW this afternoon. Seas 2 to 3 ft. Wave Detail: S 2 ft at 5 seconds and NE 1 foot at 5 seconds. A slight chance of showers. Patchy fog this morning with vsby 1 to 3 NM. .TONIGHT...SW winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: E 4 ft at 7 seconds and SE 2 ft at 12 seconds. Patchy fog after midnight. .MON...SW winds 5 to 10 kt, increasingto 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 3 to 4 ft. Wave Detail: SE 4 ft at 7 seconds and W 1 foot at 3 seconds. .MON NIGHT...SW winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: S 3 ft at 6 seconds and SE 2 ft at 11 seconds. .TUE AND TUE NIGHT...W winds 15 to 20 kt. Seas 2 to 4 ft. Wave Detail: SW 4 ft at 5 seconds and W 3 ft at 4 seconds. .WED THROUGH THU...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: W 3 ft at 4 seconds and NE 3 ft at 6 seconds. .THU NIGHT...SE winds around 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. $$ ANZ232-240000- Nantucket Sound- 704 AM EDT Sun Aug 23 2026 .TODAY...SE winds 5 to 10 kt, becoming SW 10 to 15 kt this afternoon. Seas around 2 ft. Wave Detail: N 1 foot at 4 seconds and SE 1 foot at 5 seconds. Patchy fog this morning. Showers likely this morning with vsby 1 NM or less. .TONIGHT...SW winds 10 to 15 kt. Seas around 2 ft. Wave Detail: SW 2 ft at 3 seconds and E 1 foot at 5 seconds. Patchy fog. .MON...SW winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: SE 2 ft at 7 seconds and SW 1 foot at 2 seconds. .MON NIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt in the evening. Seas around 2 ft. Wave Detail: SE 2 ft at 6 seconds and W 1 foot at 3 seconds. .TUE AND TUE NIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 4 seconds and W 2 ft at 3 seconds. .WED THROUGH THU...S winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. Wave Detail: W 2 ft at 3 seconds and SW 2 ft at 4 seconds. .THU NIGHT...S winds around 10 kt. Seas around 2 ft. A chance of showers. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ233-240000- Vineyard Sound- 704 AM EDT Sun Aug 23 2026 .TODAY...SE winds 5 to 10 kt, becoming SW this afternoon. Seas around 2 ft. Wave Detail: S 1 foot at 3 seconds and NE 1 foot at 4 seconds. A chance of showers, mainly this morning. Patchy fog this morning with vsby 1 to 3 NM. .TONIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SW 2 ft at 4 seconds and SW 1 foot at 2 seconds. Patchy fog. .MON...SW winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 5 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 3 ft. Wave Detail: SW 3 ft at 6 seconds and SW 2 ft 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 4 ft at 5 seconds and SW 3 ft at 4 seconds. .WED THROUGH THU...S winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. Wave Detail: SW 2 ft at 5 seconds and E 1 foot at 6 seconds. .THU NIGHT...S winds around 10 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. $$ ANZ234-240000- Buzzards Bay- 704 AM EDT Sun Aug 23 2026 .TODAY...E winds around 5 kt, becoming S this afternoon. Seas 1 foot or less, then around 2 ft this afternoon. Wave Detail: NE 1 foot at 3 seconds and S 1 foot at 4 seconds, becoming NW 1 foot at 4 seconds and S 1 foot at 4 seconds. A chance of showers, mainly this morning. Patchy fog this morning with vsby 1 to 3 NM. .TONIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SW 1 foot at 3 seconds and E 1 foot at 5 seconds. Patchy fog after midnight. .MON...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 3 seconds and SW 2 ft at 5 seconds. .MON NIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt in the evening. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 5 seconds and E 1 foot at 7 seconds. .TUE AND TUE NIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: SW 3 ft at 4 seconds and SW 3 ft at 5 seconds. .WED THROUGH THU...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: NE 2 ft at 4 seconds and SW 2 ft at 5 seconds. .THU NIGHT...S winds 10 to 15 kt. Seas around 2 ft. A chance of showers. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ235-240000- Rhode Island Sound- 704 AM EDT Sun Aug 23 2026 .TODAY...E winds 5 to 10 kt, becoming S this afternoon. Seas around 2 ft. Wave Detail: S 2 ft at 5 seconds and NE 1 foot at 4 seconds. A chance of showers, mainly this morning. Patchy fog this morning with vsby 1 NM or less. .TONIGHT...SW winds 10 to 15 kt, diminishing to 5 to 10 kt after midnight. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 4 seconds and SE 2 ft at 9 seconds. Patchy fog after midnight. .MON...SW winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: SE 3 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 3 ft. Wave Detail: SE 3 ft at 7 seconds and W 1 foot at 3 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 4 ft at 6 seconds and W 2 ft at 4 seconds. .WED THROUGH THU...S 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 NE 2 ft at 5 seconds. .THU NIGHT...S winds 10 to 15 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. $$ ANZ237-240000- Block Island Sound- 704 AM EDT Sun Aug 23 2026 .TODAY...E winds 5 to 10 kt, becoming S this afternoon. Seas around 2 ft. Wave Detail: S 1 foot at 4 seconds and NE 1 foot at 4 seconds. A chance of showers. Patchy fog this morning with vsby 1 to 3 NM. .TONIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 6 seconds and W 1 foot at 3 seconds. .MON...SW winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 7 seconds and W 1 foot at 3 seconds. .MON NIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt in the evening. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 7 seconds and W 1 foot at 3 seconds. .TUE...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: W 2 ft at 4 seconds and SE 2 ft at 7 seconds. .TUE NIGHT...W winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt after midnight. Seas 2 to 3 ft. Wave Detail: W 2 ft at 3 seconds and SE 2 ft at 7 seconds. .WED THROUGH THU...S winds 5 to 10 kt. Seas around 2 ft. .THU NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ230-240000- Boston Harbor- 704 AM EDT Sun Aug 23 2026 .TODAY...E winds 5 to 10 kt. Waves 1 foot or less. Patchy fog. A slight chance of showers. Vsby 1 to 3 NM. .TONIGHT...S winds 5 to 10 kt. Waves 1 foot or less. Patchy fog. Vsby 1 to 3 NM 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. Waves 1 footor less, then around 2 ft in the afternoon. .MON NIGHT...SW winds 5 to 10 kt. Waves around 2 ft in the evening, then 1 foot or less. .TUE AND TUE NIGHT...W winds 5 to 10 kt. Waves around 2 ft. .WED THROUGH THU...S winds 10 to 15 kt with gusts up to 20 kt. Waves around 2 ft. .THU NIGHT...S winds 10 to 15 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. $$ ANZ236-240000- Narragansett Bay- 704 AM EDT Sun Aug 23 2026 .TODAY...E winds around 5 kt, becoming S this afternoon. Waves 1 foot or less, then around 2 ft this afternoon. A chance of showers. Patchy fog this morning with vsby 1 NM or less. .TONIGHT...SW winds 5 to 10 kt. Waves around 2 ft. .MON...SW winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt in the afternoon. Waves 2 to 3 ft. .MON NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, becoming W 5 to 10 kt after midnight. Waves around 2 ft. .TUE...SW winds 10 to 15 kt with gusts up to 20 kt. Waves 2 to 3 ft. .TUE NIGHT...W winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt after midnight. Waves around 2 ft. .WED THROUGH THU...S winds 10 to 15 kt with gusts up to 20 kt. Waves around 2 ft. .THU NIGHT...S winds 5 to 10 kt. Waves around 2 ft. A chance of showers. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ280-240000- Ocean Waters from the Merrimack River to Plymouth from 40 to 60 NM- 704 AM EDT Sun Aug 23 2026 .TODAY...SE 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. Patchy fog. A chance of showers, mainly this morning. Vsby 1 NM or less. .TONIGHT...S winds 10 to 15 kt. Seas around 3 ft. Wave Detail: SE 3 ft at 9 seconds and S 2 ft at 4 seconds. Patchy fog. Vsby 1 NM or less, increasing to 1 to 3 NM after midnight. .MON...SW winds 10 to 15 kt. Gusts up to 20 kt in the afternoon. Seas 3 to 4 ft. Wave Detail: SE 3 ft at 7 seconds and SW 1 foot at 3 seconds. .MON NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft. Wave Detail: SE 3 ft at 7 seconds and SW 1 foot at 3 seconds. .TUE AND TUE NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: W 2 ft at 4 seconds and SE 2 ft at 7 seconds. .WED THROUGH THU...SW winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 9 seconds and E 2 ft at 3 seconds. .THU NIGHT...S 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. $$ ANZ281-240000- Ocean Waters from Provincetown to Nantucket from 20 to 60 NM- 704 AM EDT Sun Aug 23 2026 .TODAY...SE winds 5 to 10 kt, becoming S 10 to 15 kt with gusts up to 20 kt this afternoon. Seas 2 to 3 ft. Wave Detail: S 2 ft at 4 seconds and NE 2 ft at 5 seconds. Patchy fog. Showers likely with isolated tstms this morning, then a slight chance of showers this afternoon. Vsby 1 NM or less. .TONIGHT...S winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: SE 4 ft at 7 seconds and N 1 foot at 4 seconds. Patchy fog. Vsby 1 NM or less, increasing to 1 to 3 NM after midnight. .MON...SW winds 5 to 10 kt. Gusts up to 20 kt in the afternoon. Seas 3 to 4 ft. Wave Detail: SE 4 ft at 7 seconds and W 1 foot at 3 seconds. Patchy fog. Vsby 1 to 3 NM, decreasing to 1 NM or less in the afternoon. .MON NIGHT...SW winds 5 to 10 kt with gusts up to 20 kt. Seas 3 to 4 ft. Wave Detail: SE 3 ft at 7 seconds and W 1 foot at 3 seconds..TUE AND TUE NIGHT...W winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 4 ft. Wave Detail: S 3 ft at 6 seconds and W 2 ft at 4 seconds. .WED THROUGH THU...S winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: W 3 ft at 5 seconds and SE 3 ft at 10 seconds. .THU NIGHT...SE winds around 10 kt. Seas around 3 ft. A chance of showers. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ282-240000- Ocean Waters from Marthas Vineyard to Nantucket from 25 to 60 NM- 704 AM EDT Sun Aug 23 2026 .TODAY...S winds 10 to 15 kt, becoming SW this afternoon. Gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft at 5 seconds and E 2 ft at 7 seconds. Patchy fog this morning. Showers likely with isolated tstms this morning with vsby 1 NM or less. .TONIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt in the evening. Seas 3 to 5 ft. Wave Detail: S 4 ft at 6 seconds and SE 3 ft at 8 seconds. Patchy fog. Vsby 1 to 3 NM in the evening. .MON...SW winds 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: SE 4 ft at 7 seconds and SE 2 ft at 11 seconds. .MON NIGHT...SW winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: SW 3 ft at 6 seconds and SE 2 ft at 11 seconds. .TUE AND TUE NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft. Wave Detail: W 4 ft at 5 seconds and SW 4 ft at 5 seconds. .WED THROUGH THU...S winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: W 3 ft at 5 seconds and SE 3 ft at 10 seconds. .THU NIGHT...SE winds around 10 kt. Seas 3 to 4 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. $$ ANZ283-240000- Ocean Waters from Montauk NY to Marthas Vineyard from 25 to 60 NM- 704 AM EDT Sun Aug 23 2026 .TODAY...S winds 5 to 10 kt, becoming SW 10 to 15 kt with gusts up to 20 kt this afternoon. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 6 seconds and N 1 foot at 4 seconds. Patchy fog this morning. A chance of showers this morning with vsby 1 to 3 NM. .TONIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. Wave Detail: S 4 ft at 6 seconds and E 3 ft at 9 seconds. Patchy fog after midnight. .MON...SW winds around 10 kt. Seas around 4 ft. Wave Detail: S 4 ft at 6 seconds and SE 3 ft at 10 seconds. .MON NIGHT...SW winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: S 3 ft at 6 seconds and W 2 ft at 4 seconds. .TUE AND TUE NIGHT...W winds 15 to 20 kt. Seas 3 to 4 ft. Wave Detail: W 4 ft at 5 seconds and SW 4 ft at 6 seconds. .WED THROUGH THU...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: W 3 ft at 5 seconds and SE 3 ft at 9 seconds. .THU NIGHT...SE winds around 10 kt. Seas around 3 ft. A chance of showers. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ 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