Coastal Waters Forecast
Issued by NWS Boston, MA
Issued by NWS Boston, MA
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401 FZUS51 KBOX 021204 CWFBOX Coastal Waters Forecast for Massachusetts and Rhode Island National Weather Service Boston/Norton MA 704 AM EST Tue Dec 2 2025 Coastal waters from the Merrimack River MA to Watch Hill RI out to 25 NM ANZ200-030100- 704 AM EST Tue Dec 2 2025 .Synopsis for Massachusetts and Rhode Island coastal waters... High pres continues to move offshore overnight. A coastal low will track NE from the mid Atlc coast Tue and develop into a Gale center as it passes south and east of Nantucket Tue night. High pres will move from the Ohio Valley to the mid Atlc coast Wed into Wed night. An arctic front will push across New Eng and the waters Thu into Thu evening. High pres builds over the waters Fri. $$ ANZ250-030100- Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- 704 AM EST Tue Dec 2 2025 ...GALE WARNING IN EFFECT FROM 7 PM EST THIS EVENING THROUGH WEDNESDAY AFTERNOON... .TODAY...S winds 10 to 15 kt, becoming SE with gusts up to 20 kt this afternoon. Seas 2 to 3 ft. Wave Detail: E 2 ft at 6 seconds and W 1 foot at 3 seconds. Rain. Vsby 1 NM or less this afternoon. .TONIGHT...NE winds 20 to 25 kt, becoming N 25 to 30 kt after midnight. Seas 3 to 5 ft, building to 5 to 8 ft after midnight. Wave Detail: E 5 ft at 6 seconds, becoming N 7 ft at 6 seconds and SE 4 ft at 7 seconds. Rain. Vsby 1 NM or less, increasing to 1 to 3 NM after midnight. .WED...NW winds 20 to 25 kt with gusts up to 30 kt, diminishing to 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 5 to 8 ft. Wave Detail: N 6 ft at 7 seconds and E 4 ft at 9 seconds. .WED NIGHT...SW winds 10 to 15 kt, increasing to 15 to 20 kt after midnight. Seas 4 to 6 ft, subsiding to 3 to 4 ft after midnight. Wave Detail: NE 4 ft at 7 seconds and SE 3 ft at 9 seconds, becoming W 3 ft at 3 seconds and NE 3 ft at 7 seconds. .THU...SW winds 15 to 20 kt with gusts up to 25 kt, becoming W 20 to 25 kt with gusts up to 35 kt in the afternoon. Seas 4 to 6 ft. Wave Detail: W 5 ft at 5 seconds and SE 3 ft at 10 seconds. .THU NIGHT...NW winds 25 to 30 kt with gusts up to 35 kt. Seas 5 to 8 ft. Wave Detail: NW 7 ft at 6 seconds and SE 2 ft at 10 seconds. .FRI...W winds 15 to 20 kt. Seas 3 to 5 ft. .FRI NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .SAT AND SAT NIGHT...S winds around 10 kt, becoming NW with gusts up to 20 kt. Seas 2 to 3 ft. A chance of rain. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ251-030100- Massachusetts Bay and Ipswich Bay- 704 AM EST Tue Dec 2 2025 ...GALE WARNING IN EFFECT FROM 7 PM EST THIS EVENING THROUGH WEDNESDAY AFTERNOON... .TODAY...S winds 5 to 10 kt, becoming E 10 to 15 kt with gusts up to 20 kt this afternoon. Seas 1 foot or less, then around 2 ft this afternoon. Wave Detail: W 1 foot at 2 seconds and NE 1 foot at 5 seconds, becoming E 2 ft at 3 seconds and SE 1 foot at 8 seconds. Rain. Vsby 1 NM or less this afternoon. .TONIGHT...NE winds 25 to 30 kt, becoming N after midnight. Seas 3 to 5 ft. Wave Detail: N 5 ft at 5 seconds and SE 3 ft at 7 seconds. Rain, mainly in the evening. Vsby 1 NM or less. .WED...NW winds 15 to 20 kt with gusts up to 25 kt, diminishing to 5 to 10 kt in the afternoon. Seas 3 to 5 ft. Wave Detail: NE 5 ft at 7 seconds and NW 3 ft at 4 seconds. .WED NIGHT...SW winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt after midnight. Seas 2 to 4 ft. Wave Detail: NE 4 ft at 7 seconds and SW 2 ft at 3 seconds. .THU...SW winds 15 to 20 kt, becoming W 20 to 25 kt with gusts up to 30 kt in the afternoon. Seas 2 to 4 ft. Wave Detail: SW 3 ft at 3 seconds and NE 2 ft at 7 seconds. .THU NIGHT...NW winds 25 to 30 kt, diminishing to 20 to 25 kt after midnight. Seas 3 to 5 ft. Wave Detail: NW 5 ft at 5 seconds and NE 1 foot at 6 seconds. .FRI...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. .FRI NIGHT...SW winds 10 to 15 kt. Seas around 2 ft. .SAT AND SAT NIGHT...SW winds around 10 kt, becoming NW. Seas around 2 ft. A chance of rain. 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. $$ ANZ231-030100- Cape Cod Bay- 704 AM EST Tue Dec 2 2025 ...GALE WARNING IN EFFECT FROM 7 PM EST THIS EVENING THROUGH WEDNESDAY AFTERNOON... .TODAY...SE winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt this afternoon. Seas 2 to 3 ft. Wave Detail: SE 2 ft at 3 seconds and NW 1 foot at 4 seconds. A chance of rain this morning, then rain this afternoon with vsby 1 NM or less. .TONIGHT...NE winds 25 to 30 kt, becoming N after midnight. Seas 3 to 5 ft. Wave Detail: N 5 ft at 5 seconds and SE 2 ft at 8 seconds. Rain. Vsby 1 NM or less, increasing to 1 to 3 NM after midnight. .WED...NW winds 20 to 25 kt with gusts up to 30 kt, diminishing to 10 to 15 kt in the afternoon. Seas 3 to 5 ft. Wave Detail: N 5 ft at 6 seconds and SE 3 ft at 9 seconds. .WED NIGHT...SW winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt after midnight. Seas 2 to 4 ft. Wave Detail: N 4 ft at 6 seconds and SE 2 ft at 9 seconds. .THU...SW winds around 15 kt with gusts up to 20 kt, becoming W 20 to 25 kt with gusts up to 30 kt in the afternoon. Seas 2 to 4 ft. Wave Detail: W 4 ft at 4 seconds and NE 2 ft at 7 seconds. .THU NIGHT...NW winds 25 to 30 kt with gusts up to 35 kt. Seas 3 to 5 ft. Wave Detail: N 5 ft at 6 seconds and SE 1 foot at 10 seconds. .FRI...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. .FRI NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. .SAT AND SAT NIGHT...S winds 5 to 10 kt, becoming NW 10 to 15 kt. Seas around 2 ft. A chance of rain. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ254-030100- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm- 704 AM EST Tue Dec 2 2025 ...GALE WARNING IN EFFECT FROM 7 PM EST THIS EVENING THROUGH WEDNESDAY AFTERNOON... .TODAY...SE winds 10 to 15 kt, increasing to 15 to 20 kt with gusts up to 25 kt this afternoon. Seas 2 to 4 ft. Wave Detail: S 3 ft at 6 seconds. A chance of rain this morning, then rain this afternoon with vsby 1 NM or less. .TONIGHT...NE winds 20 to 25 kt, becoming N 25 to 30 kt after midnight. Seas 4 to 6 ft, building to 6 to 9 ft after midnight. Wave Detail: SE 6 ft at 6 seconds and NW 1 foot at 4 seconds, becoming N 6 ft at 6 seconds and S 5 ft at 9 seconds. Rain, mainly in the evening. Vsby 1 NM or less, increasing to 1 to 3 NM after midnight. .WED...NW winds 20 to 25 kt with gusts up to 30 kt, diminishing to 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 7 to 10 ft, subsiding to 5 to 8 ft in the afternoon. Wave Detail: N 6 ft at 7 seconds and S 6 ft at 9 seconds, becoming NE 6 ft at 8 seconds and SE 5 ft at 9 seconds. .WED NIGHT...SW winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt after midnight. Seas 5 to 7 ft. Wave Detail: NE 5 ft at 8 seconds and SE 4 ft at 9 seconds. .THU...W winds 15 to 20 kt, increasing to 20 to 25 kt in the afternoon. Gusts up to 30 kt. Seas 5 to 7 ft. Wave Detail: W 5 ft at 5 seconds and NE 3 ft at 7 seconds. .THU NIGHT...NW winds 25 to 30 kt with gusts up to 35 kt. Seas 5 to 8 ft. Wave Detail: N 8 ft at 6 seconds and SE 3 ft at 10 seconds. .FRI...W winds 15 to 20 kt. Seas 4 to 6 ft. .FRI NIGHT...SW winds around 10 kt. Seas 2 to 3 ft. .SAT AND SAT NIGHT...SE winds 10 to 15 kt, becoming NW with gusts up to 20 kt. Seas 2 to 3 ft. A chance of rain. 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. $$ ANZ255-030100- Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- 704 AM EST Tue Dec 2 2025 ...GALE WARNING IN EFFECT FROM 7 PM EST THIS EVENING THROUGH WEDNESDAY AFTERNOON... .TODAY...SE winds 10 to 15 kt, increasing to 15 to 20 kt with gusts up to 25 kt this afternoon. Seas 2 to 4 ft. Wave Detail: SE 4 ft at 6 seconds. A chance of rain this morning, then rain this afternoon with vsby 1 NM or less. .TONIGHT...NE winds 25 to 30 kt, becoming NW after midnight. Seas 5 to 7 ft, building to 7 to 10 ft after midnight. Wave Detail: SE 6 ft at 7 seconds, becoming N 6 ft at 6 seconds and S 6 ft at 9 seconds. Rain, mainly in the evening. Vsby 1 NM or less, increasing to 1 to 3 NM after midnight. .WED...NW winds 20 to 25 kt with gusts up to 30 kt, diminishing to 10 to 15 kt in the afternoon. Seas 7 to 10 ft, subsiding to 5 to 7 ft in the afternoon. Wave Detail: NW 6 ft at 5 seconds and S 6 ft at 9 seconds, becoming S 5 ft at 9 seconds and NW 3 ft at 5 seconds. .WED NIGHT...W winds 5 to 10 kt, increasing to 15 to 20 kt after midnight. Seas 4 to 6 ft. Wave Detail: S 5 ft at 9 seconds and W 4 ft at 5 seconds. .THU...W winds 20 to 25 kt, increasing to 25 to 30 kt with gusts up to 35 kt in the afternoon. Seas 5 to 8 ft. Wave Detail: SW 8 ft at 7 seconds and SE 4 ft at 10 seconds. .THU NIGHT...NW winds 30 to 35 kt, diminishing to 25 to 30 kt after midnight. Seas 7 to 10 ft. Wave Detail: NW 9 ft at 6 seconds and SE 5 ft at 10 seconds. .FRI...W winds 15 to 20 kt. Seas 3 to 5 ft. .FRI NIGHT THROUGH SAT NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. A chance of rain. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ256-030100- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 704 AM EST Tue Dec 2 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM EST THIS AFTERNOON THROUGH LATE WEDNESDAY NIGHT... .TODAY...SE winds 10 to 15 kt, becoming E 20 to 25 kt this afternoon. Seas 2 to 4 ft. Wave Detail: SE 4 ft at 4 seconds and SE 1 foot at 8 seconds. Rain likely this morning, then rain this afternoon with vsby 1 NM or less. .TONIGHT...NE winds 25 to 30 kt, becoming NW after midnight. Seas 5 to 7 ft, building to 6 to 9 ft after midnight. Wave Detail: SE 6 ft at 7 seconds and N 2 ft at 4 seconds, becoming N 6 ft at 5 seconds and SE 6 ft at 9 seconds. Rain, mainly in the evening. Vsby 1 NM or less, increasing to 1 to 3 NM after midnight. .WED...NW winds 20 to 25 kt, diminishing to 5 to 10 kt in the afternoon. Seas 6 to 9 ft, subsiding to 5 to 7 ft in the afternoon. Wave Detail: S 6 ft at 9 seconds and N 5 ft at 5 seconds, becoming S 5 ft at 9 seconds and NW 3 ft at 5 seconds. .WED NIGHT...W winds 10 to 15 kt, increasing to 15 to 20 kt after midnight. Seas 4 to 5 ft. Wave Detail: S 5 ft at 9 seconds and SW 4 ft at 5 seconds. .THU...W winds 20 to 25 kt, increasing to 25 to 30 kt with gusts up to 35 kt in the afternoon. Seas 5 to 8 ft. Wave Detail: W 7 ft at 6 seconds and SE 3 ft at 9 seconds. .THU NIGHT...NW winds 25 to 35 kt with gusts up to 40 kt. Seas 6 to 9 ft. Wave Detail: N 8 ft at 6 seconds and SE 2 ft at 10 seconds. .FRI...W winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. .FRI NIGHT THROUGH SAT NIGHT...NW winds 15 to 20 kt. Seas 2 to 3 ft. A chance of rain. 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. $$ ANZ232-030100- Nantucket Sound- 704 AM EST Tue Dec 2 2025 ...GALE WARNING IN EFFECT FROM 7 PM EST THIS EVENING THROUGH WEDNESDAY AFTERNOON... .TODAY...SE winds 10 to 15 kt, increasing to 15 to 20 kt this afternoon. Seas 2 to 3 ft. Wave Detail: S 2 ft at 4 seconds and SE 1 foot at 8 seconds. A chance of rain this morning, then rain this afternoon with vsby 1 NM or less. .TONIGHT...NE winds 25 to 30 kt, becoming N after midnight. Seas 3 to 4 ft, building to 4 to 6 ft after midnight. Wave Detail: SE 3 ft at 5 seconds, becoming N 4 ft at 5 seconds and S 2 ft at 9 seconds. Rain, mainly in the evening. Vsby 1 NM or less, increasing to 1 to 3 NM after midnight. .WED...NW winds 20 to 25 kt with gusts up to 30 kt, diminishing to 10 to 15 kt in the afternoon. Seas 4 to 6 ft. Wave Detail: NW 4 ft at 4 seconds and NE 3 ft at 7 seconds. .WED NIGHT...SW winds 5 to 10 kt, becoming W 10 to 15 kt with gusts up to 20 kt after midnight. Seas 2 to 3 ft. Wave Detail: NE 3 ft at 7 seconds and W 2 ft at 4 seconds. .THU...W winds 15 to 20 kt, increasing to 25 to 30 kt in the afternoon. Seas 3 to 5 ft. Wave Detail: SW 4 ft at 4 seconds and NE 2 ft at 7 seconds. .THU NIGHT...NW winds 25 to 30 kt with gusts up to 35 kt. Seas 4 to 6 ft. Wave Detail: NW 5 ft at 5 seconds and S 1 foot at 9 seconds. .FRI...W winds 15 to 20 kt. Seas 2 to 4 ft. .FRI NIGHT...SW winds 10 to 15 kt. Seas around 2 ft. .SAT AND SAT NIGHT...SE winds 10 to 15 kt, becoming NW. Seas around 2 ft. A chance of rain. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ233-030100- Vineyard Sound- 704 AM EST Tue Dec 2 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM EST THIS AFTERNOON THROUGH WEDNESDAY EVENING... .TODAY...SE winds 10 to 15 kt, becoming E 15 to 20 kt this afternoon. Seas 2 to 3 ft. Wave Detail: S 2 ft at 4 seconds and SE 1 foot at 8 seconds. Rain. Vsby 1 NM or less this afternoon. .TONIGHT...NE winds 25 to 30 kt, becoming NW after midnight. Seas 3 to 5 ft. Wave Detail: N 3 ft at 4 seconds and S 3 ft at 9 seconds. Rain, mainly in the evening. Vsby 1 NM or less, increasing to 1 to 3 NM after midnight. .WED...NW winds 15 to 20 kt with gusts up to 25 kt, diminishing to 5 to 10 kt in the afternoon. Seas 3 to 5 ft. Wave Detail: N 3 ft at 5 seconds and S 3 ft at 9 seconds. .WED NIGHT...W winds 5 to 10 kt, increasing to 15 to 20 kt after midnight. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 4 seconds and NE 2 ft at 7 seconds. .THU...W winds 15 to 20 kt, increasing to 25 to 30 kt in the afternoon. Seas 3 to 5 ft. Wave Detail: SW 5 ft at 6 seconds and S 2 ft at 9 seconds. .THU NIGHT...NW winds 25 to 30 kt, diminishing to 20 to 25 kt after midnight. Seas 3 to 5 ft. Wave Detail: W 5 ft at 6 seconds and SE 1 foot at 10 seconds. .FRI...W winds 10 to 15 kt. Seas 2 to 3 ft. .FRI NIGHT THROUGH SAT NIGHT...NW winds 10 to 15 kt. Seas around 2 ft. A chance of rain. 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. $$ ANZ234-030100- Buzzards Bay- 704 AM EST Tue Dec 2 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM EST THIS AFTERNOON THROUGH WEDNESDAY EVENING... .TODAY...SE winds 5 to 10 kt, becoming E 15 to 20 kt this afternoon. Seas 2 to 3 ft. Wave Detail: SE 2 ft at 4 seconds and SE 1 foot at 8 seconds. Rain. Vsby 1 NM or less this afternoon. .TONIGHT...NE winds 25 to 30 kt, becoming N 20 to 25 kt after midnight. Seas 3 to 4 ft. Wave Detail: N 3 ft at 4 seconds and SE 2 ft at 7 seconds. Rain, mainly in the evening. Vsby 1 NM or less, increasing to 1 to 3 NM after midnight. .WED...NW winds 15 to 20 kt with gusts up to 25 kt, diminishing to 5 to 10 kt in the afternoon. Seas 2 to 4 ft. Wave Detail: N 2 ft at 4 seconds and S 2 ft at 9 seconds. .WED NIGHT...W winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt after midnight. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 4 seconds and NE 2 ft at 7 seconds. .THU...W winds 15 to 20 kt, increasing to 20 to 25 kt in the afternoon. Gusts up to 30 kt. Seas 2 to 4 ft. Wave Detail: SW 4 ft at 5 seconds and S 2 ft at 9 seconds. .THU NIGHT...NW winds 25 to 30 kt, diminishing to 20 to 25 kt after midnight. Seas 2 to 4 ft. Wave Detail: W 4 ft at 5 seconds and SE 1 foot at 10 seconds. .FRI AND FRI NIGHT...W winds 10 to 15 kt, becoming SW 5 to 10 kt. Seas around 2 ft. .SAT AND SAT NIGHT...E winds 10 to 15 kt, becoming NW. Seas around 2 ft. A chance of rain. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ235-030100- Rhode Island Sound- 704 AM EST Tue Dec 2 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM EST THIS AFTERNOON THROUGH WEDNESDAY EVENING... .TODAY...SE winds 10 to 15 kt, becoming E 15 to 20 kt this afternoon. Seas 2 to 3 ft. Wave Detail: S 3 ft at 5 seconds and SE 1 foot at 8 seconds. Rain. Vsby 1 NM or less this afternoon. .TONIGHT...NE winds 25 to 30 kt, becoming NW 20 to 25 kt after midnight. Seas 3 to 5 ft, building to 5 to 7 ft after midnight. Wave Detail: E 5 ft at 6 seconds and NW 2 ft at 4 seconds, becoming SE 5 ft at 8 seconds and N 4 ft at 5 seconds. Rain, mainly in the evening. Vsby 1 NM or less, increasing to 1 to 3 NM after midnight. .WED...NW winds 15 to 20 kt with gusts up to 25 kt, diminishing to 5 to 10 kt in the afternoon. Seas 5 to 7 ft. Wave Detail: S 5 ft at 9 seconds and N 4 ft at 5 seconds. .WED NIGHT...W winds 5 to 10 kt, increasing to 15 to 20 kt after midnight. Seas 3 to 4 ft. Wave Detail: SW 4 ft at 4 seconds and S 4 ft at 9 seconds. .THU...W winds 20 to 25 kt, increasing to 25 to 30 kt in the afternoon. Seas 4 to 6 ft. Wave Detail: W 6 ft at 6 seconds and S 3 ft at 9 seconds. .THU NIGHT...NW winds 25 to 30 kt, diminishing to 20 to 25 kt after midnight. Seas 4 to 6 ft. Wave Detail: NW 6 ft at 6 seconds and SE 2 ft at 10 seconds. .FRI...W winds 10 to 15 kt. Seas 2 to 3 ft. .FRI NIGHT THROUGH SAT NIGHT...NW winds 10 to 15 kt. Seas 2 to 3 ft. A chance of rain. 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. $$ ANZ237-030100- Block Island Sound- 704 AM EST Tue Dec 2 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM EST THIS AFTERNOON THROUGH WEDNESDAY EVENING... .TODAY...SE winds around 10 kt, becoming E 15 to 20 kt this afternoon. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 5 seconds and SE 1 foot at 8 seconds. Rain. Vsby 1 NM or less this afternoon. .TONIGHT...N winds 20 to 25 kt with gusts up to 30 kt. Seas 4 to 6 ft. Wave Detail: E 4 ft at 5 seconds and SE 4 ft at 8 seconds. Rain, mainly in the evening with vsby 1 NM or less. .WED...NW winds 15 to 20 kt with gusts up to 25 kt, diminishing to 5 to 10 kt in the afternoon. Seas 4 to 6 ft. Wave Detail: SE 5 ft at 9 seconds and NW 3 ft at 4 seconds. .WED NIGHT...W winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt after midnight. Seas 3 to 4 ft. Wave Detail: S 4 ft at 9 seconds and W 3 ft at 4 seconds. .THU...W winds 15 to 20 kt, increasing to 20 to 25 kt in the afternoon. Gusts up to 30 kt. Seas 3 to 5 ft. Wave Detail: W 4 ft at 5 seconds and S 3 ft at 9 seconds. .THU NIGHT...NW winds 25 to 30 kt, diminishing to 15 to 20 kt after midnight. Seas 4 to 6 ft. Wave Detail: NW 5 ft at 5 seconds and S 3 ft at 9 seconds. .FRI...W winds 10 to 15 kt. Seas 2 to 3 ft. .FRI NIGHT THROUGH SAT NIGHT...NW winds 10 to 15 kt. Seas around 2 ft. A chance of rain. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ230-030100- Boston Harbor- 704 AM EST Tue Dec 2 2025 ...GALE WARNING IN EFFECT FROM 7 PM EST THIS EVENING THROUGH WEDNESDAY MORNING... .TODAY...SE winds 5 to 10 kt, becoming E 10 to 15 kt this afternoon. Waves 1 foot or less, then around 2 ft this afternoon. Rain. Vsby 1 NM or less this afternoon. .TONIGHT...NE winds 20 to 25 kt, becoming NW after midnight. Gusts up to 30 kt. Waves 2 to 3 ft. Rain, mainly in the evening. Vsby 1 NM or less, increasing to 1 to 3 NM after midnight. .WED...NW winds 15 to 20 kt with gusts up to 25 kt, diminishing to 5 to 10 kt in the afternoon. Waves around 2 ft in the morning, then 1 foot or less. At the outer harbor entrance, waves 2 to 4 ft. .WED NIGHT...SW winds 5 to 10 kt, increasing to 10 to 15 kt after midnight. Waves 1 foot or less, then around 2 ft after midnight. .THU AND THU NIGHT...NW winds 25 to 30 kt. Waves around 2 ft. .FRI AND FRI NIGHT...W winds 10 to 15 kt, becoming SW 5 to 10 kt. Waves around 2 ft, then 1 foot or less. .SAT...SW winds 5 to 10 kt. Waves 1 foot or less. A chance of rain. .SAT NIGHT...W winds 10 to 15 kt. Waves 1 foot or less. A chance of rain. 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. $$ ANZ236-030100- Narragansett Bay- 704 AM EST Tue Dec 2 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM EST THIS AFTERNOON THROUGH WEDNESDAY MORNING... .TODAY...SE winds 5 to 10 kt, becoming E 10 to 15 kt with gusts up to 20 kt this afternoon. Waves around 2 ft. Rain. Vsby 1 NM or less this afternoon. .TONIGHT...N winds 20 to 25 kt, becoming NW 15 to 20 kt after midnight. Gusts up to 30 kt. Waves 2 to 3 ft. Rain, mainly in the evening. Vsby 1 NM or less, increasing to 1 to 3 NM after midnight. .WED...NW winds 10 to 15 kt with gusts up to 25 kt, diminishing to 5 to 10 kt in the afternoon. Waves 2 to 3 ft. .WED NIGHT...W winds 5 to 10 kt, becoming SW 10 to 15 kt with gusts up to 20 kt after midnight. Waves 2 to 3 ft. .THU...W winds 10 to 15 kt with gusts up to 20 kt, increasing to 15 to 20 kt with gusts up to 30 kt in the afternoon. Waves 2 to 3 ft. .THU NIGHT...NW winds 20 to 25 kt, diminishing to 15 to 20 kt after midnight. Gusts up to 30 kt. Waves 2 to 3 ft. .FRI AND FRI NIGHT...W winds 5 to 10 kt. Waves around 2 ft. .SAT AND SAT NIGHT...NE winds 5 to 10 kt, becoming NW. Waves around 2 ft. A chance of rain. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ 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