Coastal Waters Forecast
Issued by NWS Boston, MA
Issued by NWS Boston, MA
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603 FZUS51 KBOX 241104 CWFBOX Coastal Waters Forecast for Massachusetts and Rhode Island National Weather Service Boston/Norton MA 704 AM EDT Mon Aug 24 2026 Coastal waters from the Merrimack River MA to Watch Hill RI out to 60 NM ANZ200-250000- 704 AM EDT Mon Aug 24 2026 .Synopsis for Massachusetts and Rhode Island coastal waters... High pres moves in starting today. This high pres should remain over the waters through Wed. Potential for low pres to return late week with showers possible. $$ ANZ250-250000- Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- 704 AM EDT Mon Aug 24 2026 .TODAY...SW winds 5 to 10 kt, becoming S 10 to 15 kt with gusts up to 20 kt this afternoon. Seas 2 to 3 ft. Wave Detail: S 3 ft at 7 seconds and SW 1 foot at 3 seconds. Patchy fog this morning. .TONIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt in the evening. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 4 seconds and SE 2 ft at 7 seconds. .TUE...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 2 ft at 6 seconds and SW 1 foot at 3 seconds. .TUE NIGHT...SW winds 5 to 10 kt, becoming W after midnight. Seas around 2 ft. Wave Detail: S 2 ft at 5 seconds and SE 1 foot at 11 seconds. .WED...NW winds around 5 kt, becoming S around 5 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 10 seconds and SE 2 ft at 6 seconds. .WED NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 10 seconds and NW 1 foot at 3 seconds. .THU...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .THU NIGHT AND FRI...S winds 10 to 15 kt. Gusts up to 20 kt. Seas 2 to 3 ft. A chance of showers. .FRI NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ251-250000- Massachusetts Bay and Ipswich Bay- 704 AM EDT Mon Aug 24 2026 .TODAY...SW winds 5 to 10 kt. Gusts up to 20 kt this afternoon. Seas around 2 ft. Wave Detail: SE 2 ft at 7 seconds and SW 1 foot at 3 seconds. .TONIGHT...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...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: E 2 ft at 6 seconds and S 1 foot at 3 seconds. .TUE NIGHT...W winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SW 1 foot at 3 seconds and E 1 foot at 6 seconds. .WED...NW winds 5 to 10 kt, becoming SE in the afternoon. Seas around 2 ft. Wave Detail: E 2 ft at 10 seconds and W 1 foot at 2 seconds. .WED NIGHT...S winds 5 to 10 kt. Seas around 2 ft. Wave Detail: E 2 ft at 10 seconds and NW 1 foot at 3 seconds. .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. .FRI AND FRI NIGHT...S winds 5 to 10 kt, becoming SW. Seas around 2 ft. A chance of showers and tstms. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ231-250000- Cape Cod Bay- 704 AM EDT Mon Aug 24 2026 .TODAY...SW winds 5 to 10 kt. Gusts up to 20 kt this afternoon. Seas around 2 ft. Wave Detail: S 2 ft at 5 seconds and SW 1 foot at 2 seconds. .TONIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SW 2 ft at 4 seconds and E 1 foot at 6 seconds. .TUE...SW winds 5 to 10 kt. Seas 1 foot or less, then around 2 ft in the afternoon. Wave Detail: SW 1 foot at 3 seconds and E 1 foot at 6 seconds. .TUE NIGHT...W winds 5 to 10 kt. Seas around 2 ft in the evening, then 1 foot or less. Wave Detail: SW 1 foot at 3 seconds and E 1 foot at 6 seconds, becoming W 1 foot at 2 seconds and SE 1 foot at 6 seconds. .WED...NW winds around 5 kt, becoming E in the afternoon. Seas 1 foot or less, then around 2 ft in the afternoon. Wave Detail: W 1 foot at 2 seconds and SE 1 foot at 7 seconds, becoming W 1 foot at 3 seconds and SE 1 foot at 7 seconds. .WED NIGHT...S winds around 5 kt. Seas around 2 ft. Wave Detail: SW 1 foot at 3 seconds and E 1 foot at 11 seconds. .THU...S winds 5 to 10 kt with gusts up to 20 kt. Seas around 2 ft. .THU NIGHT...S winds 5 to 10 kt. Seas around 2 ft. A chance of showers. .FRI...S winds 5 to 10 kt. Seas around 2 ft. A chance of showers. .FRI NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ254-250000- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 NM- 704 AM EDT Mon Aug 24 2026 .TODAY...SW winds 5 to 10 kt. Seas 2 to 4 ft. Wave Detail: SE 3 ft at 7 seconds and SW 1 foot at 3 seconds. .TONIGHT...S 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...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: W 2 ft at 3 seconds and S 2 ft at 6 seconds. .TUE NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, becoming W 5 to 10 kt after midnight. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 5 seconds and SE 2 ft at 6 seconds. .WED AND WED NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 10 seconds and S 2 ft at 6 seconds. .THU...S winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 8 seconds and SW 2 ft at 4 seconds. .THU NIGHT AND FRI...S winds around 10 kt. Seas 2 to 4 ft. A chance of showers. .FRI NIGHT...SW winds 5 to 10 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. $$ ANZ255-250000- Coastal Waters extending out to 25 NM South of Marthas Vineyard and Nantucket- 704 AM EDT Mon Aug 24 2026 .TODAY...SW winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: SE 3 ft at 7 seconds and W 1 foot at 4 seconds. .TONIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 6 seconds and SW 1 foot at 3 seconds. .TUE...W winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 5 seconds and SE 2 ft at 6 seconds. .TUE NIGHT...W winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt after midnight. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 5 seconds and SE 2 ft at 6 seconds. .WED AND WED NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 9 seconds and E 3 ft at 13 seconds. .THU...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft at 7 seconds and SW 2 ft at 3 seconds. .THU NIGHT AND FRI...S winds around 10 kt. Seas 2 to 4 ft. A chance of showers. .FRI NIGHT...SW winds 5 to 10 kt. Seas 3 to 4 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ256-250000- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 NM South of Block Island- 704 AM EDT Mon Aug 24 2026 .TODAY...SW winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: S 3 ft at 7 seconds and E 2 ft at 8 seconds. .TONIGHT...SW winds around 10 kt. Seas 2 to 3 ft. Wave Detail: SE 2 ft at 7 seconds and SW 1 foot at 3 seconds. .TUE...W winds 10 to 15 kt. Gusts up to 20 kt in the afternoon. Seas 2 to 4 ft. Wave Detail: SW 2 ft at 5 seconds and SE 1 foot 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 4 ft. Wave Detail: SW 2 ft at 5 seconds and SE 1 foot at 6 seconds. .WED AND WED NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 9 seconds and SE 3 ft at 10 seconds. .THU...S winds 10 to 15 kt. Seas around 3 ft. Wave Detail: SE 3 ft at 8 seconds and SW 2 ft at 5 seconds. .THU NIGHT...S winds 10 to 15 kt. Seas 3 to 4 ft. A chance of showers. .FRI...S winds around 10 kt. Seas 3 to 4 ft. A chance of showers. .FRI NIGHT...SW winds 5 to 10 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. $$ ANZ232-250000- Nantucket Sound- 704 AM EDT Mon Aug 24 2026 .TODAY...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SW 1 foot at 3 seconds and SE 1 foot at 6 seconds. .TONIGHT...SW winds around 10 kt. Seas around 2 ft. Wave Detail: SW 1 foot at 3 seconds and SE 1 foot at 6 seconds. .TUE...SW winds 10 to 15 kt. Gusts up to 20 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 3 seconds and SE 1 foot at 6 seconds. .TUE NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, becoming W 5 to 10 kt after midnight. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 4 seconds and E 1 foot at 6 seconds. .WED AND WED NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SW 1 foot at 4 seconds and E 1 foot at 6 seconds. .THU...S winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. Wave Detail: S 2 ft at 6 seconds and SW 1 foot at 3 seconds. .THU NIGHT AND FRI...S winds 10 to 15 kt. Seas around 2 ft. A chance of showers. .FRI NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ233-250000- Vineyard Sound- 704 AM EDT Mon Aug 24 2026 .TODAY...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: S 2 ft at 7 seconds and SW 1 foot at 4 seconds. .TONIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: S 2 ft at 7 seconds and SW 1 foot at 3 seconds. .TUE...W winds 5 to 10 kt, becoming SW 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: S 2 ft at 6 seconds and SE 1 foot at 11 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: S 2 ft at 6 seconds and SE 1 foot at 11 seconds. .WED AND WED NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SW 2 ft at 5 seconds and SE 2 ft at 10 seconds. .THU...S winds 10 to 15 kt. Seas around 2 ft. Wave Detail: SW 2 ft at 5 seconds and SE 1 foot at 9 seconds. .THU NIGHT...S winds 10 to 15 kt. Seas around 2 ft. A chance of showers. .FRI...S winds around 10 kt. Seas around 2 ft. A chance of showers. .FRI NIGHT...SW winds 5 to 10 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. $$ ANZ234-250000- Buzzards Bay- 704 AM EDT Mon Aug 24 2026 .TODAY...SW winds 5 to 10 kt. Gusts up to 20 kt this afternoon. Seas 2 to 3 ft. Wave Detail: NE 2 ft at 6 seconds and SW 1 foot at 5 seconds. Patchy fog this morning. .TONIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SW 1 foot at 3 seconds and S 1 foot at 7 seconds. .TUE...W winds 5 to 10 kt, becoming SW 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 5 seconds and SE 1 foot at 9 seconds. .TUE NIGHT...W winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt after midnight. Seas 2 to 3 ft. Wave Detail: S 2 ft at 6 seconds and SE 1 foot at 11 seconds. .WED AND WED NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: E 2 ft at 12 seconds and SW 1 foot at 5 seconds. .THU...S winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. Wave Detail: S 2 ft at 7 seconds and SW 1 foot at 3 seconds. .THU NIGHT AND FRI...S winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. A chance of showers. .FRI NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ235-250000- Rhode Island Sound- 704 AM EDT Mon Aug 24 2026 .TODAY...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 7 seconds and W 1 foot at 4 seconds. .TONIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at 7 seconds and SW 1 foot at 3 seconds. .TUE...W winds 5 to 10 kt, becoming SW 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: S 3 ft at 6 seconds and SE 1 foot at 11 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: SW 3 ft at 5 seconds and SE 1 foot at 6 seconds. .WED AND WED NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 10 seconds and SW 2 ft at 4 seconds. .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 SE 2 ft at 8 seconds. .THU NIGHT AND FRI...S winds 10 to 15 kt. Seas 2 to 3 ft. A chance of showers. .FRI NIGHT...SW winds 5 to 10 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. $$ ANZ237-250000- Block Island Sound- 704 AM EDT Mon Aug 24 2026 .TODAY...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 7 seconds and W 1 foot at 3 seconds. .TONIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 2 ft at 7 seconds and SW 1 foot at 3 seconds. .TUE...W winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: SE 2 ft at 7 seconds and W 1 foot at 2 seconds. .TUE NIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: W 1 foot at 3 seconds and SE 1 foot at 7 seconds. .WED AND WED NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 9 seconds and S 2 ft at 6 seconds. .THU...S winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at 4 seconds and SE 2 ft at 9 seconds. .THU NIGHT AND FRI...S winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers. .FRI NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ230-250000- Boston Harbor- 704 AM EDT Mon Aug 24 2026 .TODAY...SW winds 5 to 10 kt. Gusts up to 20 kt this afternoon. Waves 1 foot or less, then around 2 ft this afternoon. .TONIGHT...SW winds 5 to 10 kt. Waves around 2 ft in the evening, then 1 foot or less. .TUE...SW winds 5 to 10 kt. Waves 1 foot or less. .TUE NIGHT...W winds 5 to 10 kt. Waves 1 foot or less. .WED...NW winds around 5 kt, becoming E in the afternoon. Waves 1 foot or less. .WED NIGHT...S winds 5 to 10 kt, becoming SW after midnight. Waves 1 foot or less. .THU...S winds 10 to 15 kt with gusts up to 20 kt. Waves around 2 ft. .THU NIGHT THROUGH FRI NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Waves around 2 ft. A chance of showers and tstms. Winds and waves higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ236-250000- Narragansett Bay- 704 AM EDT Mon Aug 24 2026 .TODAY...SW winds 5 to 10 kt. Waves around 2 ft. .TONIGHT...SW winds 5 to 10 kt. Waves around 2 ft. .TUE...W winds 5 to 10 kt, becoming SW 10 to 15 kt with gusts up to 20 kt in the afternoon. Waves around 2 ft. .TUE NIGHT...W winds 5 to 10 kt. Waves around 2 ft. .WED AND WED NIGHT...SW winds 5 to 10 kt. Waves around 2 ft. .THU...S winds 10 to 15 kt with gusts up to 20 kt. Waves around 2 ft. .THU NIGHT AND FRI...S winds 10 to 15 kt, diminishing to 5 to 10 kt. Waves around 2 ft. A chance of showers. .FRI NIGHT...SW winds 5 to 10 kt. Waves around 2 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ280-250000- Ocean Waters from the Merrimack River to Plymouth from 40 to 60 NM- 704 AM EDT Mon Aug 24 2026 .TODAY...SW winds 10 to 15 kt. Gusts up to 20 kt this afternoon. Seas 3 to 4 ft. Wave Detail: SE 3 ft at 7 seconds and SW 1 foot at 3 seconds. Patchy fog this morning with vsby 1 to 3 NM. .TONIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt in the evening. Seas 3 to 4 ft. Wave Detail: SE 3 ft at 6 seconds and SW 1 foot at 3 seconds. Patchy fog in the evening with vsby 1 to 3 NM. .TUE...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at 6 seconds and SE 1 foot at 11 seconds. .TUE NIGHT...SW winds around 10 kt, becoming W after midnight. Seas 2 to 3 ft. Wave Detail: SE 2 ft at 6 seconds and SE 2 ft at 11 seconds. .WED...NW winds 5 to 10 kt, becoming W in the afternoon. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 10 seconds and SW 2 ft at 4 seconds. .WED NIGHT...S winds 5 to 10 kt. Seas around 3 ft. Wave Detail: SE 3 ft at 10 seconds and S 2 ft at 6 seconds. .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 around 3 ft. A chance of showers. .FRI...S winds 10 to 15 kt with gusts up to 20 kt. Seas around 3 ft. A chance of showers. .FRI NIGHT...SW winds 10 to 15 kt. Seas around 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. $$ ANZ281-250000- Ocean Waters from Provincetown to Nantucket from 20 to 60 NM- 704 AM EDT Mon Aug 24 2026 .TODAY...SW winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: SE 4 ft at 7 seconds and SE 1 foot at 11 seconds. Patchy fog. Vsby 1 NM or less. .TONIGHT...S winds 5 to 10 kt. Seas around 3 ft. Wave Detail: SE 3 ft at 6 seconds and W 1 foot at 3 seconds. Patchy fog. Vsby 1 NM or less, increasing to 1 to 3 NM after midnight. .TUE...SW winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas around 3 ft. Wave Detail: S 2 ft at 6 seconds and W 1 foot at 3 seconds. .TUE NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, becoming W 5 to 10 kt after midnight. Seas around 3 ft. Wave Detail: SW 2 ft at 5 seconds and SE 2 ft at 6 seconds. .WED...W winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: SE 4 ft at 9 seconds and SE 3 ft at 10 seconds. .WED NIGHT...SW winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: SE 4 ft at 9 seconds and S 2 ft at 8 seconds. .THU...S winds 5 to 10 kt. Seas around 3 ft. .THU NIGHT AND FRI...S winds around 10 kt. Gusts up to 20 kt. Seas 3 to 4 ft. A chance of showers. .FRI NIGHT...SW winds 5 to 10 kt. Seas 3 to 4 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ282-250000- Ocean Waters from Marthas Vineyard to Nantucket from 25 to 60 NM- 704 AM EDT Mon Aug 24 2026 .TODAY...SW winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: SE 4 ft at 7 seconds and N 1 foot at 4 seconds. .TONIGHT...SW winds 5 to 10 kt. Seas around 3 ft. Wave Detail: SW 3 ft at 6 seconds and E 2 ft at 6 seconds. .TUE...W winds 5 to 10 kt. Seas around 3 ft. Wave Detail: SW 2 ft at 5 seconds and SE 2 ft at 6 seconds. .TUE NIGHT...W winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: SW 2 ft at 5 seconds and E 2 ft at 6 seconds. .WED AND WED NIGHT...SW winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: SE 4 ft at 9 seconds and E 3 ft at 12 seconds. .THU...S winds 5 to 10 kt. Seas around 3 ft. Wave Detail: SE 3 ft at 9 seconds and SW 1 foot at 5 seconds. .THU NIGHT AND FRI...S winds 5 to 10 kt. Seas 3 to 4 ft. A chance of showers. .FRI NIGHT...SW winds 5 to 10 kt. Seas 3 to 4 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. $$ ANZ283-250000- Ocean Waters from Montauk NY to Marthas Vineyard from 25 to 60 NM- 704 AM EDT Mon Aug 24 2026 .TODAY...SW winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: S 4 ft at 6 seconds and SE 2 ft at 11 seconds. .TONIGHT...SW winds around 10 kt. Seas around 3 ft. Wave Detail: SW 3 ft at 5 seconds and SE 2 ft at 11 seconds. .TUE...W winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: SW 2 ft at 5 seconds and E 2 ft at 7 seconds. .TUE NIGHT...W winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: SW 2 ft at 5 seconds and E 2 ft at 6 seconds. .WED AND WED NIGHT...SW winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: E 3 ft at 9 seconds and SE 3 ft at 10 seconds. .THU...S winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: SE 3 ft at 8 seconds and SW 2 ft at 5 seconds. .THU NIGHT AND FRI...S winds 10 to 15 kt. Seas 3 to 4 ft. A chance of showers. .FRI NIGHT...SW winds 5 to 10 kt. Seas 3 to 4 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ 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