Coastal Waters Forecast
Issued by NWS Boston, MA
Issued by NWS Boston, MA
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446 FZUS51 KBOX 250504 CWFBOX Coastal Waters Forecast for Massachusetts and Rhode Island National Weather Service Boston/Norton MA 103 AM EDT Sat Jul 25 2026 Coastal waters from the Merrimack River MA to Watch Hill RI out to 60 NM ANZ200-251800- 103 AM EDT Sat Jul 25 2026 .Synopsis for Massachusetts and Rhode Island coastal waters... High pres builds across the waters into the weekend, bringing more pleasant boating weather to the region through the weekend with light winds and seas less than 3 ft. Increasing chance for rough seas early next week as low pressure approaches from the west. $$ ANZ250-251800- Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- 103 AM EDT Sat Jul 25 2026 .REST OF TONIGHT...S winds around 5 kt. Seas around 2 ft. Wave Detail: S 2 ft at 7 seconds and SE 2 ft at 8 seconds. .SAT...SE winds around 5 kt. Seas around 2 ft. Wave Detail: SE 2 ft at 8 seconds. .SAT NIGHT...E winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 2 ft at 7 seconds. .SUN...NE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 8 seconds and SW 2 ft at 8 seconds. .SUN NIGHT...NE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at 8 seconds and W 2 ft at 7 seconds. .MON AND MON NIGHT...S winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at 7 seconds and S 2 ft at 8 seconds. .TUE...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. A chance of showers. .TUE NIGHT AND WED...SE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Showers likely. .WED NIGHT...E winds 5 to 10 kt. Seas 2 to 4 ft. A chance of showers. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ251-251800- Massachusetts Bay and Ipswich Bay- 103 AM EDT Sat Jul 25 2026 .REST OF TONIGHT...SW winds around 5 kt. Seas around 2 ft. Wave Detail: SE 2 ft at 7 seconds. .SAT...SE winds around 5 kt, becoming E in the afternoon. Seas around 2 ft. Wave Detail: SE 2 ft at 7 seconds. .SAT NIGHT...E winds 5 to 10 kt, becoming NE after midnight. Seas around 2 ft. Wave Detail: E 2 ft at 7 seconds. .SUN...NE winds 5 to 10 kt. Seas around 2 ft. Wave Detail: E 2 ft at 7 seconds and S 2 ft at 10 seconds. .SUN NIGHT...NE winds 5 to 10 kt. Seas around 2 ft. Wave Detail: E 2 ft at 7 seconds and S 2 ft at 12 seconds. .MON AND MON NIGHT...S winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: SE 2 ft at 7 seconds and E 1 foot at 11 seconds. .TUE...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. A chance of showers. .TUE NIGHT AND WED...SE winds 10 to 15 kt. Gusts up to 20 kt. Seas 2 to 3 ft. Showers likely. .WED NIGHT...NE 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. $$ ANZ231-251800- Cape Cod Bay- 103 AM EDT Sat Jul 25 2026 .REST OF TONIGHT...SE winds around 5 kt. Seas 1 foot or less. Wave Detail: SE 1 foot at 7 seconds. .SAT...NE winds around 5 kt, becoming E in the afternoon. Seas 1 foot or less, then around 2 ft in the afternoon. Wave Detail: SE 1 foot at 7 seconds, becoming SE 2 ft at 7 seconds and E 1 foot at 2 seconds. .SAT NIGHT...NE winds 5 to 10 kt. Seas around 2 ft. Wave Detail: E 2 ft at 7 seconds and E 1 foot at 2 seconds. .SUN...NE winds 5 to 10 kt. Seas around 2 ft. Wave Detail: NE 1 foot at 2 seconds and SW 1 foot at 8 seconds. .SUN NIGHT...NE winds 5 to 10 kt. Seas around 2 ft. Wave Detail: N 1 foot at 3 seconds. .MON AND MON NIGHT...S winds around 5 kt. Seas around 2 ft. Wave Detail: SW 1 foot at 3 seconds and NE 1 foot at 3 seconds. .TUE...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. A chance of showers. .TUE NIGHT AND WED...SE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Showers likely. .WED NIGHT...S winds 5 to 10 kt. Seas around 2 ft. A chance of showers. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ254-251800- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 NM- 103 AM EDT Sat Jul 25 2026 .REST OF TONIGHT...E winds around 5 kt. Seas 2 to 3 ft. Wave Detail: SE 2 ft at 7 seconds. .SAT...NE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 7 seconds. .SAT NIGHT...NE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 7 seconds. .SUN...NE winds 10 to 15 kt. Seas 2 to 4 ft. Wave Detail: E 3 ft at 8 seconds and S 2 ft at 8 seconds. .SUN NIGHT AND MON...NE winds 5 to 10 kt. Seas 2 to 4 ft. Wave Detail: E 3 ft at 7 seconds and S 2 ft at 7 seconds. .MON NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 7 seconds and E 1 foot at 12 seconds. .TUE...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. A chance of showers. .TUE NIGHT AND WED...S winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft. Showers likely. .WED NIGHT...S winds 10 to 15 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. $$ ANZ255-251800- Coastal Waters extending out to 25 NM South of Marthas Vineyard and Nantucket- 103 AM EDT Sat Jul 25 2026 .REST OF TONIGHT...E winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 2 ft at 7 seconds. .SAT...NE winds 10 to 15 kt. Gusts up to 20 kt in the afternoon. Seas 2 to 4 ft. Wave Detail: SE 3 ft at 7 seconds. .SAT NIGHT...NE winds 10 to 15 kt. Seas around 3 ft. Wave Detail: SE 3 ft at 7 seconds. .SUN...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft. Wave Detail: E 3 ft at 7 seconds and S 3 ft at 8 seconds. .SUN NIGHT...NE winds 10 to 15 kt. Seas 2 to 4 ft. Wave Detail: NE 3 ft at 5 seconds and S 2 ft at 7 seconds. .MON AND MON NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: NE 2 ft at 6 seconds and S 2 ft at 7 seconds. .TUE...S winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. A chance of showers. .TUE NIGHT...S winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 4 ft. Showers likely. .WED...SE winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft. A chance of showers. .WED NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. A chance of showers. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ256-251800- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 NM South of Block Island- 103 AM EDT Sat Jul 25 2026 .REST OF TONIGHT...NE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 2 ft at 7 seconds. .SAT...NE winds 10 to 15 kt. Gusts up to 20 kt in the afternoon. Seas 2 to 4 ft. Wave Detail: SE 4 ft at 8 seconds. .SAT NIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: SE 3 ft at 7 seconds. .SUN...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft. Wave Detail: NE 4 ft at 7 seconds and SE 2 ft at 8 seconds. .SUN NIGHT...NE winds 10 to 15 kt, becoming N 5 to 10 kt after midnight. Seas 2 to 4 ft. Wave Detail: NE 3 ft at 5 seconds and SE 2 ft at 8 seconds. .MON AND MON NIGHT...S winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 7 seconds and E 1 foot at 11 seconds. .TUE...S winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 4 ft. A chance of showers. .TUE NIGHT AND WED...S winds 15 to 20 kt, diminishing to 10 to 15 kt. Gusts up to 25 kt. Seas 3 to 4 ft. Showers likely. .WED NIGHT...SW winds 10 to 15 kt. Seas 4 to 5 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. $$ ANZ232-251800- Nantucket Sound- 103 AM EDT Sat Jul 25 2026 .REST OF TONIGHT...E winds around 5 kt. Seas around 2 ft. Wave Detail: SE 1 foot at 7 seconds. .SAT...NE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 2 ft at 6 seconds and S 1 foot at 7 seconds. .SAT NIGHT...NE winds around 10 kt. Seas around 2 ft. Wave Detail: E 2 ft at 4 seconds and S 1 foot at 7 seconds. .SUN...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: NE 2 ft at 5 seconds and S 1 foot at 8 seconds. .SUN NIGHT...NE winds around 10 kt. Seas 2 to 3 ft. Wave Detail: NE 2 ft at 4 seconds and SW 1 foot at 7 seconds. .MON AND MON NIGHT...S winds 5 to 10 kt. Seas around 2 ft. Wave Detail: NE 2 ft at 6 seconds and SW 1 foot at 7 seconds. .TUE...S winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 3 ft. A chance of showers. .TUE NIGHT AND WED...S winds 15 to 20 kt with gusts up to 25 kt. Seas around 3 ft. Showers likely. .WED NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. A chance of showers. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ233-251800- Vineyard Sound- 103 AM EDT Sat Jul 25 2026 .REST OF TONIGHT...NE winds around 5 kt. Seas around 2 ft. Wave Detail: E 1 foot at 5 seconds and S 1 foot at 7 seconds. .SAT...NE winds 5 to 10 kt. Seas around 2 ft. Wave Detail: E 1 foot at 5 seconds and S 1 foot at 6 seconds. .SAT NIGHT...NE winds 5 to 10 kt. Seas around 2 ft. Wave Detail: NE 1 foot at 3 seconds and S 1 foot at 7 seconds. .SUN...NE winds around 10 kt. Seas around 2 ft. Wave Detail: NE 1 foot at 3 seconds and S 1 foot at 8 seconds. .SUN NIGHT...NE winds 5 to 10 kt. Seas around 2 ft. Wave Detail: NE 1 foot at 3 seconds and S 1 foot at 7 seconds. .MON AND MON NIGHT...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 8 seconds. .TUE...S winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 3 ft. A chance of showers. .TUE NIGHT AND WED...S winds 15 to 20 kt, becoming SE 10 to 15 kt. Gusts up to 25 kt. Seas around 3 ft. Showers likely. .WED NIGHT...SW 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. $$ ANZ234-251800- Buzzards Bay- 103 AM EDT Sat Jul 25 2026 .REST OF TONIGHT...NE winds around 5 kt. Seas 1 foot or less. Wave Detail: SE 1 foot at 6 seconds. .SAT...NE winds 5 to 10 kt. Seas around 2 ft. Wave Detail: S 1 foot at 6 seconds and E 1 foot at 6 seconds. .SAT NIGHT...NE winds 5 to 10 kt. Seas around 2 ft. Wave Detail: E 1 foot at 2 seconds and S 1 foot at 6 seconds. .SUN...NE winds 10 to 15 kt. Seas around 2 ft. Wave Detail: NE 1 foot at 3 seconds and S 1 foot at 8 seconds. .SUN NIGHT...NE winds 5 to 10 kt. Seas around 2 ft. Wave Detail: NE 1 foot at 3 seconds and S 1 foot at 7 seconds. .MON AND MON NIGHT...S winds 5 to 10 kt with gusts up to 20 kt. Seas around 2 ft. Wave Detail: S 2 ft at 7 seconds and E 1 foot at 11 seconds. .TUE...S winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. A chance of showers. .TUE NIGHT AND WED...S winds 15 to 20 kt, becoming SE 10 to 15 kt. Gusts up to 25 kt. Seas around 3 ft. Showers likely. .WED NIGHT...SW winds 10 to 15 kt. Seas 2 to 3 ft. A chance of showers. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ235-251800- Rhode Island Sound- 103 AM EDT Sat Jul 25 2026 .REST OF TONIGHT...NE winds around 5 kt. Seas around 2 ft. Wave Detail: SE 2 ft at 7 seconds. .SAT...NE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 7 seconds. .SAT NIGHT...NE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 7 seconds. .SUN...NE winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: NE 3 ft at 6 seconds and S 2 ft at 8 seconds. .SUN NIGHT...NE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: NE 3 ft at 5 seconds and S 2 ft at 7 seconds. .MON AND MON NIGHT...S winds 5 to 10 kt with gusts up to 20 kt. Seas around 2 ft. Wave Detail: S 2 ft at 7 seconds and E 1 foot at 12 seconds. .TUE...S winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 3 ft. A chance of showers. .TUE NIGHT AND WED...S winds 15 to 20 kt, diminishing to 10 to 15 kt. Gusts up to 25 kt. Seas 3 to 4 ft. Showers likely. .WED NIGHT...SW winds 10 to 15 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. $$ ANZ237-251800- Block Island Sound- 103 AM EDT Sat Jul 25 2026 .REST OF TONIGHT...NE winds around 5 kt. Seas around 2 ft. Wave Detail: SE 2 ft at 7 seconds and E 1 foot at 8 seconds. .SAT...E winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 7 seconds. .SAT NIGHT...E winds 5 to 10 kt, becoming NE after midnight. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 7 seconds. .SUN...NE winds around 10 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at 7 seconds and S 2 ft at 8 seconds. .SUN NIGHT...NE winds 5 to 10 kt, becoming N after midnight. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 7 seconds. .MON AND MON NIGHT...S winds 5 to 10 kt with gusts up to 20 kt. Seas around 2 ft. Wave Detail: SE 2 ft at 7 seconds. .TUE AND TUE NIGHT...S winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. Showers likely. .WED...S winds 10 to 15 kt. Seas 2 to 3 ft. A chance of showers. .WED NIGHT...W winds 5 to 10 kt. Seas 2 to 4 ft. A chance of showers. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ230-251800- Boston Harbor- 103 AM EDT Sat Jul 25 2026 .REST OF TONIGHT...SW winds around 5 kt. Waves 1 foot or less. .SAT...SE winds around 5 kt, becoming E in the afternoon. Waves 1 foot or less. .SAT NIGHT...E winds 5 to 10 kt, becoming NE after midnight. Waves 1 foot or less. .SUN...NE winds 5 to 10 kt. Waves 1 foot or less, then around 2 ft in the afternoon. .SUN NIGHT...NE winds 5 to 10 kt, becoming N after midnight. Waves 1 foot or less. .MON AND MON NIGHT...S winds 5 to 10 kt with gusts up to 20 kt. Waves 2 to 3 ft. .TUE AND TUE NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Waves around 2 ft. Showers likely with a chance of tstms. .WED...SE winds around 10 kt. Waves 2 to 3 ft. Showers likely. .WED NIGHT...NE winds 5 to 10 kt. Waves 1 foot or less. A chance of showers. 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. $$ ANZ236-251800- Narragansett Bay- 103 AM EDT Sat Jul 25 2026 .REST OF TONIGHT...N winds around 5 kt. Waves around 2 ft. .SAT...NE winds 5 to 10 kt, becoming E in the afternoon. Waves around 2 ft. .SAT NIGHT...E winds 5 to 10 kt, becoming NE after midnight. Waves around 2 ft. .SUN...NE winds 5 to 10 kt. Waves around 2 ft. .SUN NIGHT...NE winds 5 to 10 kt. Waves around 2 ft. .MON AND MON NIGHT...S winds 5 to 10 kt with gusts up to 20 kt. Waves around 2 ft. .TUE THROUGH WED...S winds 10 to 15 kt with gusts up to 25 kt. Waves 2 to 3 ft. Showers likely. .WED NIGHT...W winds 5 to 10 kt. Waves 2 to 3 ft. A chance of showers. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ280-251800- Ocean Waters from the Merrimack River to Plymouth from 40 to 60 NM- 103 AM EDT Sat Jul 25 2026 .REST OF TONIGHT...S winds around 5 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 8 seconds. .SAT...E winds around 5 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 7 seconds. .SAT NIGHT...NE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 7 seconds. .SUN...NE winds around 10 kt. Seas around 3 ft. Wave Detail: SE 3 ft at 8 seconds and S 1 foot at 8 seconds. .SUN NIGHT AND MON...E winds 5 to 10 kt with gusts up to 20 kt. Seas around 3 ft. Wave Detail: SE 3 ft at 8 seconds and S 2 ft at 8 seconds. .MON NIGHT...S winds 5 to 10 kt. Seas around 3 ft. Wave Detail: SE 3 ft at 7 seconds and S 2 ft at 8 seconds. .TUE...S winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft. A chance of showers. .TUE NIGHT...S winds around 15 kt with gusts up to 25 kt. Seas 3 to 4 ft. Showers likely. .WED...SE winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 4 ft. Showers likely. .WED NIGHT...SE winds around 10 kt with gusts up to 20 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. $$ ANZ281-251800- Ocean Waters from Provincetown to Nantucket from 20 to 60 NM- 103 AM EDT Sat Jul 25 2026 .REST OF TONIGHT...E winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: SE 3 ft at 7 seconds. .SAT...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft. Wave Detail: S 3 ft at 7 seconds. .SAT NIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: SE 3 ft at 7 seconds. Patchy fog in the evening with vsby 1 to 3 NM. .SUN...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft. Wave Detail: E 4 ft at 8 seconds and S 3 ft at 8 seconds. .SUN NIGHT AND MON...N winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft. Wave Detail: E 4 ft at 6 seconds and S 3 ft at 8 seconds. .MON NIGHT...S winds 5 to 10 kt. Seas around 3 ft. Wave Detail: E 3 ft at 7 seconds and S 2 ft at 8 seconds. .TUE...S winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft. A chance of showers. .TUE NIGHT...S winds around 15 kt with gusts up to 25 kt. Seas 3 to 4 ft. Showers likely. .WED...SE winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 4 ft. Showers likely. .WED NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 5 ft. A chance of showers. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ282-251800- Ocean Waters from Marthas Vineyard to Nantucket from 25 to 60 NM- 103 AM EDT Sat Jul 25 2026 .REST OF TONIGHT...NE winds around 10 kt with gusts up to 20 kt. Seas 3 to 4 ft. Wave Detail: SE 3 ft at 7 seconds. .SAT...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 5 ft. Wave Detail: SE 3 ft at 7 seconds. .SAT NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. Wave Detail: SE 3 ft at 7 seconds. Patchy fog. Vsby 1 to 3 NM in the evening. .SUN...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. Wave Detail: NE 4 ft at 6 seconds and S 3 ft at 8 seconds. .SUN NIGHT AND MON...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft. Wave Detail: NE 4 ft at 6 seconds and S 3 ft at 7 seconds. .MON NIGHT...S winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: SE 3 ft at 7 seconds. .TUE...S winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft. A chance of showers. .TUE NIGHT...S winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 4 ft. Showers likely. .WED AND WED NIGHT...S winds 10 to 15 kt with gusts up to 20 kt, becoming SW. 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. $$ ANZ283-251800- Ocean Waters from Montauk NY to Marthas Vineyard from 25 to 60 NM- 103 AM EDT Sat Jul 25 2026 .REST OF TONIGHT...NE winds 5 to 10 kt with gusts up to 20 kt. Seas 3 to 4 ft. Wave Detail: SE 3 ft at 7 seconds. .SAT...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. Wave Detail: SE 4 ft at 7 seconds. .SAT NIGHT...NE winds 10 to 15 kt. Gusts up to 20 kt in the evening. Seas 4 to 5 ft. Wave Detail: E 4 ft at 7 seconds and SE 3 ft at 8 seconds. .SUN...NE winds around 15 kt with gusts up to 20 kt. Seas 4 to 5 ft. Wave Detail: NE 4 ft at 6 seconds and S 2 ft at 8 seconds. .SUN NIGHT...NE winds 10 to 15 kt. Gusts up to 20 kt in the evening. Seas 3 to 4 ft. Wave Detail: NE 4 ft at 6 seconds and SE 2 ft at 7 seconds. .MON AND MON NIGHT...S winds 5 to 10 kt. Seas around 3 ft. Wave Detail: E 3 ft at 7 seconds. .TUE...S winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 4 ft. A chance of showers. .TUE NIGHT AND WED...S winds 15 to 20 kt, diminishing to 10 to 15 kt. Gusts up to 25 kt. Seas 3 to 5 ft. Showers likely. .WED NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 5 ft. A chance of showers. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ 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