Coastal Waters Forecast
Issued by NWS Boston, MA
Issued by NWS Boston, MA
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235 FZUS51 KBOX 290904 CWFBOX Coastal Waters Forecast for Massachusetts and Rhode Island National Weather Service Boston/Norton MA 404 AM EST Sat Nov 29 2025 Coastal waters from the Merrimack River MA to Watch Hill RI out to 25 NM ANZ200-292200- 404 AM EST Sat Nov 29 2025 .Synopsis for Massachusetts and Rhode Island coastal waters... Gusty westerly winds Sat as low pressure moves into the Maritimes. High pres builds into the waters Sat night and moves offshore Sun. A cold front moves across the waters Sun night into Mon. A stronger low pressure crosses in the vicinity of SNE Tue/Wed. $$ ANZ250-292200- Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- 404 AM EST Sat Nov 29 2025 ...GALE WARNING IN EFFECT UNTIL 7 AM EST THIS MORNING... .TODAY...W winds 20 to 25 kt, becoming NW 15 to 20 kt this afternoon. Gusts up to 30 kt. Seas 4 to 6 ft. Wave Detail: W 6 ft at 5 seconds and SE 1 foot at 10 seconds. .TONIGHT...NW winds 10 to 15 kt with gusts up to 20 kt, becoming SE 5 to 10 kt after midnight. Seas 2 to 4 ft. Wave Detail: NW 4 ft at 5 seconds and SE 1 foot at 10 seconds. .SUN...S winds 15 to 20 kt, increasing to 20 to 25 kt in the afternoon. Gusts up to 30 kt. Seas 2 to 3 ft, building to 4 to 6 ft in the afternoon. Wave Detail: SW 2 ft at 4 seconds and N 1 foot at 4 seconds, becoming SE 5 ft at 5 seconds and SE 1 foot at 9 seconds. Rain likely in the afternoon. .SUN NIGHT...S winds 20 to 25 kt, becoming W after midnight. Gusts up to 30 kt. Seas 5 to 7 ft. Wave Detail: SE 5 ft at 6 seconds. Rain. Vsby 1 NM or less in the evening. .MON...NW winds 20 to 25 kt with gusts up to 30 kt. Seas 3 to 5 ft. Wave Detail: W 5 ft at 5 seconds and SE 2 ft at 7 seconds. .MON NIGHT...NW winds 15 to 20 kt, becoming W 5 to 10 kt after midnight. Seas 2 to 4 ft. Wave Detail: N 4 ft at 5 seconds and SE 1 foot at 7 seconds. .TUE...S winds 5 to 10 kt. Seas around 2 ft. Rain. Vsby 1 to 3 NM. .TUE NIGHT...NE winds 20 to 25 kt with gusts up to 30 kt. Seas 4 to 6 ft. Rain. Vsby 1 to 3 NM. .WED...NW winds 20 to 25 kt with gusts up to 30 kt. Seas 6 to 9 ft. A chance of rain. .WED NIGHT...W winds 15 to 20 kt. Seas 5 to 7 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ251-292200- Massachusetts Bay and Ipswich Bay- 404 AM EST Sat Nov 29 2025 ...GALE WARNING IN EFFECT UNTIL 7 AM EST THIS MORNING... .TODAY...W winds 20 to 25 kt, becoming NW 15 to 20 kt this afternoon. Seas 2 to 3 ft. Wave Detail: NW 3 ft at 5 seconds and SE 1 foot at 10 seconds. .TONIGHT...NW winds 10 to 15 kt, becoming S around 5 kt after midnight. Seas around 2 ft in the evening, then 1 foot or less. Wave Detail: N 2 ft at 4 seconds and SE 1 foot at 10 seconds, becoming N 1 foot at 4 seconds and SE 1 foot at 10 seconds. .SUN...S winds 15 to 20 kt, increasing to 20 to 25 kt with gusts up to 30 kt in the afternoon. Seas 2 to 4 ft. Wave Detail: SE 3 ft at 4 seconds and SE 1 foot at 10 seconds. Rain in the afternoon with vsby 1 to 3 NM. .SUN NIGHT...SW winds 20 to 25 kt, becoming W 15 to 20 kt after midnight. Gusts up to 30 kt. Seas 3 to 5 ft. Wave Detail: S 4 ft at 5 seconds and SE 3 ft at 9 seconds. Rain. Vsby 1 to 3 NM in the evening. .MON...W winds 20 to 25 kt, becoming NW 15 to 20 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: W 3 ft at 4 seconds and SE 1 foot at 6 seconds. .MON NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt, becoming W around 5 kt after midnight. Seas 2 to 3 ft. Wave Detail: N 3 ft at 4 seconds and SE 1 foot at 8 seconds. .TUE AND TUE NIGHT...S winds 5 to 10 kt, becoming N 20 to 25 kt with gusts up to 30 kt. Seas 1 foot or less, then 2 to 4 ft. Rain. Vsby 1 to 3 NM. .WED...NW winds 20 to 25 kt with gusts up to 30 kt. Seas 4 to 6 ft. A chance of rain. .WED NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 3 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. $$ ANZ231-292200- Cape Cod Bay- 404 AM EST Sat Nov 29 2025 ...GALE WARNING IN EFFECT UNTIL 7 AM EST THIS MORNING... .TODAY...W winds 20 to 25 kt, becoming NW 15 to 20 kt this afternoon. Seas 2 to 4 ft. Wave Detail: W 4 ft at 5 seconds and S 1 foot at 9 seconds. .TONIGHT...NW winds 10 to 15 kt, becoming S around 5 kt after midnight. Seas around 2 ft. Wave Detail: N 2 ft at 5 seconds and SE 1 foot at 9 seconds. .SUN...S winds 10 to 15 kt with gusts up to 20 kt, increasing to 20 to 25 kt with gusts up to 30 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: S 3 ft at 4 seconds and N 1 foot at 5 seconds. Rain likely in the afternoon. .SUN NIGHT...S winds 20 to 25 kt, becoming W 15 to 20 kt after midnight. Gusts up to 30 kt. Seas 3 to 4 ft. Wave Detail: S 4 ft at 9 seconds and SE 3 ft at 5 seconds. Rain. Vsby 1 NM or less in the evening. .MON...NW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 3 ft. Wave Detail: W 3 ft at 4 seconds and S 2 ft at 8 seconds. .MON NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt, becoming S around 5 kt after midnight. Seas 2 to 3 ft. Wave Detail: N 3 ft at 5 seconds and SE 1 foot at 7 seconds. .TUE...SE winds 5 to 10 kt. Seas around 2 ft. Rain. Vsby 1 to 3 NM. .TUE NIGHT...NE winds 25 to 30 kt. Seas 2 to 4 ft. Rain. Vsby 1 to 3 NM. .WED...NW winds 25 to 30 kt. Seas 3 to 5 ft. A chance of rain. .WED NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ254-292200- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm- 404 AM EST Sat Nov 29 2025 ...GALE WARNING IN EFFECT UNTIL 7 AM EST THIS MORNING... .TODAY...W winds 20 to 25 kt, becoming NW 15 to 20 kt this afternoon. Gusts up to 30 kt. Seas 5 to 7 ft, subsiding to 3 to 5 ft this afternoon. Wave Detail: NW 5 ft at 6 seconds and S 2 ft at 10 seconds, becoming NW 5 ft at 6 seconds and SE 1 foot at 10 seconds. .TONIGHT...NW winds 10 to 15 kt with gusts up to 20 kt, becoming SE around 5 kt after midnight. Seas 2 to 4 ft. Wave Detail: NW 4 ft at 6 seconds and SE 1 foot at 9 seconds. .SUN...S winds 10 to 15 kt with gusts up to 20 kt, increasing to 15 to 20 kt with gusts up to 30 kt in the afternoon. Seas 2 to 3 ft, building to 3 to 5 ft in the afternoon. Wave Detail: S 2 ft at 7 seconds and N 1 foot at 5 seconds, becoming S 4 ft at 5 seconds and N 1 foot at 5 seconds. A chance of rain in the afternoon. .SUN NIGHT...S winds 20 to 25 kt, becoming W after midnight. Gusts up to 30 kt. Seas 5 to 7 ft. Wave Detail: S 6 ft at 7 seconds and E 1 foot at 5 seconds. Rain. Vsby 1 to 3 NM in the evening. .MON...NW winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 6 ft. Wave Detail: NW 5 ft at 5 seconds and S 3 ft at 7 seconds. A chance of rain in the morning. .MON NIGHT...N winds 10 to 15 kt with gusts up to 20 kt, becoming E 5 to 10 kt after midnight. Seas 2 to 4 ft. Wave Detail: N 4 ft at 5 seconds and SE 1 foot at 7 seconds. .TUE...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Rain likely. Vsby 1 to 3 NM. .TUE NIGHT...NE winds 25 to 30 kt with gusts up to 35 kt. Seas 5 to 7 ft. Rain. Vsby 1 to 3 NM. .WED...NW winds 25 to 30 kt. Seas 7 to 10 ft. A chance of rain. .WED NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 5 to 7 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. $$ ANZ255-292200- Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- 404 AM EST Sat Nov 29 2025 ...GALE WARNING IN EFFECT UNTIL 7 AM EST THIS MORNING... .TODAY...W winds 25 to 30 kt, becoming NW 15 to 20 kt this afternoon. Seas 6 to 9 ft, subsiding to 4 to 6 ft this afternoon. Wave Detail: W 9 ft at 8 seconds and SE 5 ft at 9 seconds, becoming W 6 ft at 7 seconds and SE 1 foot at 9 seconds. .TONIGHT...NW winds 10 to 15 kt, becoming SE 5 to 10 kt after midnight. Seas 2 to 4 ft. Wave Detail: W 4 ft at 7 seconds and SE 1 foot at 9 seconds. .SUN...S winds 15 to 20 kt, increasing to 20 to 25 kt in the afternoon. Gusts up to 30 kt. Seas 2 to 3 ft, building to 4 to 6 ft in the afternoon. Wave Detail: S 3 ft at 7 seconds and N 1 foot at 4 seconds, becoming S 6 ft at 7 seconds. A chance of rain in the afternoon. .SUN NIGHT...S winds 25 to 30 kt, becoming W 20 to 25 kt after midnight. Seas 6 to 9 ft. Wave Detail: S 9 ft at 7 seconds and E 1 foot at 5 seconds. Rain. Vsby 1 to 3 NM in the evening. .MON...NW winds 20 to 25 kt with gusts up to 30 kt. Seas 5 to 8 ft. Wave Detail: W 8 ft at 7 seconds and SE 2 ft at 7 seconds. .MON NIGHT...N winds 15 to 20 kt, becoming SE 5 to 10 kt after midnight. Seas 3 to 5 ft, subsiding to 2 to 3 ft after midnight. Wave Detail: NW 4 ft at 7 seconds and N 1 foot at 4 seconds, becoming W 2 ft at 6 seconds and NE 1 foot at 4 seconds. .TUE...SE winds 15 to 20 kt. Seas 2 to 4 ft. Rain. Vsby 1 to 3 NM. .TUE NIGHT...NE winds 30 to 35 kt with gusts up to 40 kt. Seas 6 to 9 ft. Rain. Vsby 1 to 3 NM. .WED...NW winds 30 to 35 kt. Seas 7 to 10 ft. A chance of rain. .WED NIGHT...W winds 15 to 20 kt. Seas 5 to 7 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ256-292200- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 404 AM EST Sat Nov 29 2025 ...GALE WARNING IN EFFECT UNTIL 7 AM EST THIS MORNING... .TODAY...NW winds 25 to 30 kt, diminishing to 15 to 20 kt this afternoon. Seas 5 to 7 ft. Wave Detail: NW 7 ft at 7 seconds and SE 1 foot at 9 seconds. .TONIGHT...NW winds 10 to 15 kt, becoming SE 5 to 10 kt after midnight. Seas 2 to 3 ft. Wave Detail: NW 3 ft at 6 seconds and SE 1 foot at 9 seconds. .SUN...S winds 15 to 20 kt, increasing to 25 to 30 kt in the afternoon. Seas 2 to 4 ft, building to 5 to 7 ft in the afternoon. Wave Detail: S 4 ft at 5 seconds and SE 1 foot at 8 seconds, becoming S 7 ft at 7 seconds. Rain likely in the afternoon. .SUN NIGHT...SW winds 25 to 30 kt, becoming W after midnight. Seas 6 to 9 ft. Wave Detail: SW 9 ft at 8 seconds. Rain. Vsby 1 to 3 NM in the evening. .MON...NW winds 20 to 25 kt with gusts up to 30 kt. Seas 5 to 7 ft. Wave Detail: NW 7 ft at 7 seconds and S 3 ft at 7 seconds. .MON NIGHT...N winds 10 to 15 kt with gusts up to 20 kt, becoming SE 5 to 10 kt after midnight. Seas 2 to 4 ft. Wave Detail: N 4 ft at 5 seconds and SE 1 foot at 8 seconds. .TUE...SE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Rain. Vsby 1 to 3 NM. .TUE NIGHT...N winds 30 to 35 kt with gusts up to 40 kt. Seas 6 to 9 ft. Rain. Vsby 1 to 3 NM. .WED...NW winds 25 to 30 kt with gusts up to 35 kt. Seas 7 to 10 ft. A chance of rain. .WED NIGHT...W winds 15 to 20 kt. Seas 4 to 6 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. $$ ANZ232-292200- Nantucket Sound- 404 AM EST Sat Nov 29 2025 ...GALE WARNING IN EFFECT UNTIL 7 AM EST THIS MORNING... .TODAY...W winds 20 to 25 kt, becoming NW 15 to 20 kt this afternoon. Gusts up to 30 kt. Seas 3 to 5 ft. Wave Detail: W 4 ft at 5 seconds and SW 2 ft at 9 seconds. .TONIGHT...NW winds 10 to 15 kt, becoming SE 5 to 10 kt after midnight. Seas around 2 ft in the evening, then 1 foot or less. Wave Detail: NW 2 ft at 4 seconds and SE 1 foot at 9 seconds, becoming N 1 foot at 4 seconds and W 1 foot at 5 seconds. .SUN...S winds 15 to 20 kt, increasing to 20 to 25 kt in the afternoon. Seas 2 to 4 ft. Wave Detail: S 4 ft at 5 seconds and N 1 foot at 5 seconds. A chance of rain in the afternoon. .SUN NIGHT...S winds 20 to 25 kt, becoming W after midnight. Gusts up to 30 kt. Seas 4 to 6 ft. Wave Detail: S 5 ft at 6 seconds. Rain. Vsby 1 NM or less in the evening. .MON...NW winds 20 to 25 kt, diminishing to 15 to 20 kt in the afternoon. Seas 3 to 5 ft. Wave Detail: W 4 ft at 4 seconds and S 2 ft at 8 seconds. .MON NIGHT...N winds 10 to 15 kt with gusts up to 20 kt, becoming E 5 to 10 kt after midnight. Seas 2 to 3 ft. Wave Detail: N 3 ft at 4 seconds and SE 1 foot at 7 seconds. .TUE...SE winds 10 to 15 kt. Seas around 2 ft. Rain. Vsby 1 to 3 NM. .TUE NIGHT...NE winds 25 to 30 kt. Seas 3 to 5 ft. Rain. Vsby 1 to 3 NM. .WED...NW winds 25 to 30 kt. Seas 3 to 5 ft. A chance of rain. .WED NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ233-292200- Vineyard Sound- 404 AM EST Sat Nov 29 2025 ...GALE WARNING IN EFFECT UNTIL 7 AM EST THIS MORNING... .TODAY...W winds 20 to 25 kt, becoming NW 15 to 20 kt this afternoon. Seas 3 to 5 ft. Wave Detail: W 5 ft at 6 seconds and S 2 ft at 9 seconds. .TONIGHT...NW winds 10 to 15 kt, becoming E 5 to 10 kt after midnight. Seas around 2 ft in the evening, then 1 foot or less. Wave Detail: W 2 ft at 6 seconds and N 1 foot at 4 seconds, becoming N 1 foot at 4 seconds and S 1 foot at 7 seconds. .SUN...S winds 15 to 20 kt, increasing to 20 to 25 kt in the afternoon. Gusts up to 30 kt. Seas 2 to 3 ft, building to 4 to 6 ft in the afternoon. Wave Detail: SW 2 ft at 5 seconds and SE 1 foot at 8 seconds, becoming S 5 ft at 5 seconds and SE 1 foot at 8 seconds. Rain likely in the afternoon. .SUN NIGHT...SW winds 25 to 30 kt, becoming W 20 to 25 kt after midnight. Seas 5 to 7 ft. Wave Detail: S 7 ft at 6 seconds. Rain. Vsby 1 to 3 NM in the evening. .MON...NW winds 20 to 25 kt, diminishing to 15 to 20 kt in the afternoon. Seas 3 to 5 ft. Wave Detail: SW 4 ft at 7 seconds. .MON NIGHT...N winds 10 to 15 kt, becoming E around 5 kt after midnight. Seas 2 to 3 ft. Wave Detail: NW 2 ft at 5 seconds and SE 1 foot at 7 seconds. .TUE...SE winds 10 to 15 kt. Seas around 2 ft. Rain. Vsby 1 to 3 NM. .TUE NIGHT...N winds 25 to 30 kt. Seas 3 to 5 ft. Rain. Vsby 1 to 3 NM. .WED...NW winds 20 to 25 kt with gusts up to 30 kt. Seas 3 to 5 ft. A chance of rain. .WED NIGHT...W winds 15 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. $$ ANZ234-292200- Buzzards Bay- 404 AM EST Sat Nov 29 2025 ...GALE WARNING IN EFFECT UNTIL 7 AM EST THIS MORNING... .TODAY...W winds 20 to 25 kt, becoming NW 15 to 20 kt this afternoon. Seas 2 to 4 ft. Wave Detail: W 4 ft at 6 seconds and S 3 ft at 9 seconds. .TONIGHT...NW winds 5 to 10 kt, becoming E after midnight. Seas around 2 ft in the evening, then 1 foot or less. Wave Detail: W 2 ft at 6 seconds and N 1 foot at 4 seconds, becoming N 1 foot at 4 seconds and SW 1 foot at 6 seconds. .SUN...S winds 15 to 20 kt, increasing to 20 to 25 kt in the afternoon. Gusts up to 30 kt. Seas 2 to 3 ft, building to 3 to 5 ft in the afternoon. Wave Detail: SW 2 ft at 5 seconds and SE 1 foot at 8 seconds, becoming S 4 ft at 5 seconds and SE 1 foot at 8 seconds. Rain likely in the afternoon. .SUN NIGHT...SW winds 25 to 30 kt, becoming W 20 to 25 kt after midnight. Seas 4 to 6 ft. Wave Detail: S 6 ft at 6 seconds. Rain. Vsby 1 to 3 NM in the evening. .MON...NW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: SW 3 ft at 7 seconds. .MON NIGHT...N winds 10 to 15 kt, becoming E around 5 kt after midnight. Seas around 2 ft in the evening, then 1 foot or less. Wave Detail: N 2 ft at 5 seconds and SE 1 foot at 7 seconds, becoming NE 1 foot at 2 seconds and SW 1 foot at 6 seconds. .TUE...SE winds 10 to 15 kt. Seas around 2 ft. Rain. Vsby 1 to 3 NM. .TUE NIGHT...N winds 20 to 25 kt with gusts up to 30 kt. Seas 3 to 5 ft. Rain. Vsby 1 to 3 NM. .WED...NW winds 20 to 25 kt. Seas 3 to 5 ft. A chance of rain. .WED NIGHT...W winds 10 to 15 kt. Seas 2 to 3 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ235-292200- Rhode Island Sound- 404 AM EST Sat Nov 29 2025 ...GALE WARNING IN EFFECT UNTIL 7 AM EST THIS MORNING... .TODAY...W winds 20 to 25 kt, becoming NW 15 to 20 kt this afternoon. Seas 4 to 6 ft, subsiding to 2 to 4 ft this afternoon. Wave Detail: W 5 ft at 6 seconds and S 4 ft at 9 seconds, becoming W 4 ft at 6 seconds and SE 1 foot at 9 seconds. .TONIGHT...NW winds 10 to 15 kt, becoming E 5 to 10 kt after midnight. Seas 2 to 3 ft. Wave Detail: W 3 ft at 5 seconds and SE 1 foot at 9 seconds. .SUN...S winds 15 to 20 kt, increasing to 25 to 30 kt in the afternoon. Seas 2 to 3 ft, building to 4 to 6 ft in the afternoon. Wave Detail: S 3 ft at 5 seconds and SE 1 foot at 8 seconds, becoming S 6 ft at 7 seconds. Rain likely in the afternoon. .SUN NIGHT...SW winds 25 to 30 kt, becoming W 20 to 25 kt after midnight. Seas 5 to 8 ft. Wave Detail: S 8 ft at 8 seconds and SE 1 foot at 5 seconds. Rain. Vsby 1 to 3 NM in the evening. .MON...NW winds 20 to 25 kt, diminishing to 15 to 20 kt in the afternoon. Seas 4 to 6 ft, subsiding to 2 to 4 ft in the afternoon. Wave Detail: SW 5 ft at 7 seconds, becoming NW 4 ft at 6 seconds and SE 1 foot at 7 seconds. .MON NIGHT...N winds 10 to 15 kt, becoming SE 5 to 10 kt after midnight. Seas 2 to 3 ft. Wave Detail: N 3 ft at 4 seconds and SE 1 foot at 7 seconds. .TUE...SE winds 10 to 15 kt. Seas 2 to 3 ft. Rain. Vsby 1 to 3 NM. .TUE NIGHT...N winds 25 to 30 kt. Seas 4 to 6 ft. Rain. Vsby 1 to 3 NM. .WED...NW winds 20 to 25 kt with gusts up to 30 kt. Seas 5 to 7 ft. A chance of rain. .WED NIGHT...W winds 15 to 20 kt. Seas 3 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. $$ ANZ237-292200- Block Island Sound- 404 AM EST Sat Nov 29 2025 ...GALE WARNING IN EFFECT UNTIL 7 AM EST THIS MORNING... .TODAY...W winds 15 to 20 kt, becoming NW 10 to 15 kt this afternoon. Gusts up to 25 kt. Seas 3 to 5 ft, subsiding to 2 to 3 ft this afternoon. Wave Detail: W 3 ft at 5 seconds and S 2 ft at 8 seconds, becoming W 2 ft at 4 seconds and SE 1 foot at 9 seconds. .TONIGHT...NW winds 5 to 10 kt, becoming E after midnight. Seas around 2 ft in the evening, then 1 foot or less. Wave Detail: W 2 ft at 4 seconds and SE 1 foot at 9 seconds, becoming SW 1 foot at 4 seconds and SE 1 foot at 9 seconds. .SUN...S winds 15 to 20 kt, increasing to 20 to 25 kt in the afternoon. Gusts up to 30 kt. Seas 2 to 3 ft, building to 4 to 6 ft in the afternoon. Wave Detail: S 3 ft at 4 seconds and SE 1 foot at 8 seconds, becoming S 5 ft at 7 seconds. Rain likely in the afternoon. .SUN NIGHT...SW winds 20 to 25 kt, becoming W after midnight. Gusts up to 30 kt. Seas 5 to 7 ft. Wave Detail: SW 6 ft at 7 seconds. Rain, mainly in the evening with vsby 1 to 3 NM. .MON...NW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. Wave Detail: SW 3 ft at 6 seconds. .MON NIGHT...N winds 10 to 15 kt, becoming SE around 5 kt after midnight. Seas 2 to 3 ft. Wave Detail: NW 2 ft at 4 seconds and SE 1 foot at 7 seconds. .TUE...SE winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. Rain. Vsby 1 to 3 NM. .TUE NIGHT...N winds 20 to 25 kt with gusts up to 30 kt. Seas 4 to 6 ft. Rain. Vsby 1 to 3 NM. .WED...NW winds 15 to 20 kt with gusts up to 25 kt. Seas 5 to 7 ft. A chance of rain. .WED NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ230-292200- Boston Harbor- 404 AM EST Sat Nov 29 2025 .TODAY...W winds 15 to 20 kt, becoming NW 10 to 15 kt this afternoon. Gusts up to 25 kt. Waves around 2 ft. .TONIGHT...NW winds 5 to 10 kt, becoming S after midnight. Waves 1 foot or less. .SUN...S winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Gusts up to 25 kt. Waves around 2 ft. Rain in the afternoon. .SUN NIGHT...SW winds 20 to 25 kt, becoming W 15 to 20 kt after midnight. Waves around 2 ft. Rain. Vsby 1 to 3 NM in the evening. .MON AND MON NIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Waves around 2 ft. .TUE...SE winds 5 to 10 kt. Waves 1 foot or less. Rain with a chance of snow. Vsby 1 to 3 NM. .TUE NIGHT...N winds 20 to 25 kt. Waves around 2 ft. Rain. Vsby 1 to 3 NM. .WED...NW winds 15 to 20 kt with gusts up to 25 kt. Waves around 2 ft. A chance of rain and snow. .WED NIGHT...W winds 10 to 15 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. $$ ANZ236-292200- Narragansett Bay- 404 AM EST Sat Nov 29 2025 .TODAY...W winds 10 to 15 kt with gusts up to 20 kt. Waves 2 to 3 ft. .TONIGHT...NW winds 5 to 10 kt, becoming E after midnight. Waves around 2 ft in the evening, then 1 foot or less. .SUN...S winds 15 to 20 kt, increasing to 20 to 25 kt with gusts up to 30 kt in the afternoon. Waves 2 to 3 ft, building to 3 to 5 ft in the afternoon. Rain likely in the afternoon. .SUN NIGHT...SW winds 20 to 25 kt, becoming W 15 to 20 kt after midnight. Gusts up to 30 kt. Waves 3 to 5 ft. Rain. Vsby 1 to 3 NM in the evening. .MON...NW winds 10 to 15 kt with gusts up to 20 kt. Waves 2 to 3 ft. .MON NIGHT...N winds 5 to 10 kt, becoming E after midnight. Waves around 2 ft in the evening, then 1 foot or less. .TUE AND TUE NIGHT...SE winds 5 to 10 kt, becoming N 15 to 20 kt with gusts up to 25 kt. Waves 2 to 3 ft. Rain. Vsby 1 to 3 NM. .WED...NW winds 15 to 20 kt with gusts up to 25 kt. Waves 2 to 3 ft, except 4 to 6 ft at the bay entrance. A chance of rain. .WED NIGHT...W winds 5 to 10 kt. Waves 2 to 3 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ For the latest updates...please visit our webpage at www.weather.gov/boston You can follow us on Facebook at www.facebook.com/NWSBoston You can follow us on Twitter at @NWSBoston