Coastal Waters Forecast
Issued by NWS Boston, MA
Issued by NWS Boston, MA
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518 FZUS51 KBOX 281803 CWFBOX Coastal Waters Forecast for Massachusetts and Rhode Island National Weather Service Boston/Norton MA 103 PM EST Fri Nov 28 2025 Coastal waters from the Merrimack River MA to Watch Hill RI out to 25 NM ANZ200-290700- 103 PM EST Fri Nov 28 2025 .Synopsis for Massachusetts and Rhode Island coastal waters... Gusty westerly winds develop Fri into Sat morning, which may gust to Gale force as strong low pres 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. $$ ANZ250-290700- Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- 103 PM EST Fri Nov 28 2025 ...GALE WARNING IN EFFECT THROUGH SATURDAY MORNING... .THIS AFTERNOON...W winds 25 to 30 kt with gusts up to 35 kt. Seas 4 to 6 ft. Wave Detail: W 6 ft at 5 seconds and SE 1 foot at 8 seconds. A slight chance of rain. .TONIGHT...W winds 25 to 30 kt with gusts up to 35 kt. Seas 4 to 6 ft. Wave Detail: W 6 ft at 5 seconds and SE 1 foot at 9 seconds. .SAT...W winds 20 to 25 kt, becoming NW 15 to 20 kt in the afternoon. Gusts up to 30 kt. Seas 4 to 6 ft. Wave Detail: W 6 ft at 5 seconds and SE 1 foot at 10 seconds. .SAT NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt, becoming W around 5 kt after midnight. Seas 2 to 4 ft. Wave Detail: NW 3 ft at 5 seconds and SE 1 foot at 10 seconds. .SUN...S winds 15 to 20 kt, increasing to 20 to 25 kt with gusts up to 30 kt in the afternoon. Seas 2 to 3 ft, building to 3 to 5 ft in the afternoon. Wave Detail: SW 2 ft at 4 seconds and NE 1 foot at 7 seconds, becoming SE 4 ft at 6 seconds. Rain likely in the afternoon. .SUN NIGHT...S winds 20 to 25 kt, becoming W after midnight. Gusts up to 30 kt. Seas 4 to 6 ft. Wave Detail: S 5 ft at 6 seconds. Rain. .MON...NW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. .MON NIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. .TUE...SE winds 10 to 15 kt. Seas 2 to 3 ft. Rain likely. Vsby 1 to 3 NM. .TUE NIGHT...NE winds 15 to 20 kt with gusts up to 25 kt. Seas 5 to 8 ft. Rain likely. Vsby 1 to 3 NM. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ251-290700- Massachusetts Bay and Ipswich Bay- 103 PM EST Fri Nov 28 2025 ...GALE WARNING IN EFFECT THROUGH SATURDAY MORNING... .THIS AFTERNOON...W winds 20 to 25 kt with gusts up to 30 kt. Seas around 3 ft. Wave Detail: W 3 ft at 4 seconds and SE 1 foot at 9 seconds. .TONIGHT...W winds 20 to 25 kt with gusts up to 30 kt. Seas 3 to 4 ft. Wave Detail: W 4 ft at 4 seconds and SE 1 foot at 9 seconds. .SAT...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 10 seconds. .SAT NIGHT...NW winds 10 to 15 kt, becoming SW around 5 kt after midnight. Seas around 2 ft in the evening, then 1 foot or less. Wave Detail: NW 2 ft at 3 seconds and E 1 foot at 10 seconds, becoming NW 1 foot at 3 seconds and NE 1 foot at 6 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: SE 3 ft at 4 seconds and NE 1 foot at 6 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: SE 4 ft at 6 seconds. Rain. .MON AND MON NIGHT...NW winds 15 to 20 kt with gusts up to 25 kt, diminishing to 10 to 15 kt. Seas 2 to 3 ft. .TUE...E winds 10 to 15 kt. Seas around 2 ft. Rain likely. Vsby 1 to 3 NM. .TUE NIGHT...NE winds 20 to 25 kt. Seas 4 to 6 ft. Rain likely. Vsby 1 to 3 NM. 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. $$ ANZ231-290700- Cape Cod Bay- 103 PM EST Fri Nov 28 2025 ...GALE WARNING IN EFFECT THROUGH SATURDAY MORNING... .THIS AFTERNOON...W winds 20 to 25 kt with gusts up to 35 kt. Seas 3 to 5 ft. Wave Detail: W 4 ft at 4 seconds and SE 1 foot at 8 seconds. .TONIGHT...W winds 20 to 25 kt with gusts up to 35 kt. Seas 3 to 5 ft. Wave Detail: W 4 ft at 4 seconds and S 1 foot at 9 seconds. .SAT...W winds 20 to 25 kt, becoming NW 15 to 20 kt in the afternoon. Seas 2 to 4 ft. Wave Detail: W 4 ft at 5 seconds and S 1 foot at 9 seconds. .SAT NIGHT...NW winds 5 to 10 kt, becoming SW after midnight. Seas around 2 ft. Wave Detail: NW 2 ft at 5 seconds and E 1 foot at 9 seconds. .SUN...S winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Gusts up to 25 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft at 3 seconds and NE 1 foot at 6 seconds. Rain likely in the afternoon. .SUN NIGHT...S winds 20 to 25 kt, becoming W 15 to 20 kt after midnight. Gusts up to 30 kt. Seas 2 to 4 ft. Wave Detail: S 3 ft at 5 seconds. Rain. .MON...NW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 3 ft. A chance of rain. .MON NIGHT...N winds 10 to 15 kt. Seas around 2 ft. .TUE...SE winds 10 to 15 kt. Seas around 2 ft. Rain likely. Vsby 1 to 3 NM. .TUE NIGHT...NE winds 20 to 25 kt. Seas 3 to 5 ft. Rain likely. Vsby 1 to 3 NM. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ254-290700- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm- 103 PM EST Fri Nov 28 2025 ...GALE WARNING IN EFFECT THROUGH SATURDAY MORNING... .THIS AFTERNOON...W winds 25 to 30 kt with gusts up to 35 kt. Seas 5 to 8 ft. Wave Detail: W 6 ft at 5 seconds and SE 2 ft at 8 seconds. .TONIGHT...W winds 25 to 30 kt with gusts up to 35 kt. Seas 6 to 9 ft. Wave Detail: W 6 ft at 6 seconds and S 2 ft at 9 seconds. .SAT...W winds 20 to 25 kt, becoming NW 15 to 20 kt in the afternoon. Gusts up to 30 kt. Seas 5 to 7 ft, subsiding to 3 to 5 ft in the afternoon. Wave Detail: NW 6 ft at 6 seconds and SE 1 foot at 10 seconds, becoming NW 5 ft at 6 seconds and SE 1 foot at 10 seconds. .SAT NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt, becoming SW 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, increasing to 15 to 20 kt in the afternoon. Gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: S 4 ft at 5 seconds and SE 1 foot at 8 seconds. A chance of rain in the afternoon. .SUN NIGHT...S winds 20 to 25 kt, becoming SW after midnight. Gusts up to 30 kt. Seas 4 to 6 ft. Wave Detail: SE 6 ft at 6 seconds. Rain. .MON...NW winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 6 ft. A chance of rain. .MON NIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. .TUE...SE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Rain likely. Vsby 1 to 3 NM. .TUE NIGHT...NE winds 20 to 25 kt. Seas 6 to 9 ft. Rain likely. Vsby 1 to 3 NM. 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. $$ ANZ255-290700- Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- 103 PM EST Fri Nov 28 2025 ...GALE WARNING IN EFFECT THROUGH SATURDAY MORNING... .THIS AFTERNOON...W winds 25 to 30 kt with gusts up to 40 kt. Seas 8 to 11 ft. Wave Detail: SW 10 ft at 8 seconds and SE 1 foot at 8 seconds. .TONIGHT...W winds 30 to 35 kt, diminishing to 25 to 30 kt after midnight. Seas 9 to 12 ft. Wave Detail: W 11 ft at 8 seconds and SE 1 foot at 9 seconds. .SAT...W winds 25 to 30 kt, becoming NW 15 to 20 kt in the afternoon. Seas 6 to 9 ft, subsiding to 5 to 7 ft in the afternoon. Wave Detail: W 9 ft at 8 seconds and SE 1 foot at 9 seconds, becoming W 6 ft at 7 seconds and SE 1 foot at 9 seconds. .SAT NIGHT...NW winds 10 to 15 kt, becoming E 5 to 10 kt after midnight. Seas 2 to 4 ft. Wave Detail: W 4 ft at 7 seconds and S 1 foot at 9 seconds. .SUN...S winds 15 to 20 kt, increasing to 20 to 25 kt with gusts up to 30 kt in the afternoon. Seas 2 to 3 ft, building to 4 to 6 ft in the afternoon. Wave Detail: S 3 ft at 7 seconds, becoming S 6 ft at 7 seconds. A chance of rain in the afternoon. .SUN NIGHT...S winds 25 to 30 kt, becoming W 20 to 25 kt after midnight. Seas 5 to 8 ft. Wave Detail: S 8 ft at 7 seconds. Rain. .MON...NW winds 20 to 25 kt. Seas 4 to 6 ft. A chance of rain. .MON NIGHT...NE winds 10 to 15 kt. Seas 2 to 4 ft. .TUE...SE winds 15 to 20 kt. Seas 2 to 4 ft. A chance of rain. Vsby 1 to 3 NM. .TUE NIGHT...NE winds 25 to 30 kt. Seas 7 to 10 ft. Rain likely. Vsby 1 to 3 NM. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ256-290700- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 103 PM EST Fri Nov 28 2025 ...GALE WARNING IN EFFECT THROUGH SATURDAY MORNING... .THIS AFTERNOON...W winds 25 to 30 kt with gusts up to 40 kt. Seas 7 to 10 ft. Wave Detail: W 9 ft at 7 seconds and SE 1 foot at 8 seconds. .TONIGHT...W winds 25 to 35 kt with gusts up to 40 kt. Seas 8 to 11 ft. Wave Detail: W 10 ft at 8 seconds and SE 1 foot at 9 seconds. .SAT...NW winds 25 to 30 kt, diminishing to 15 to 20 kt in the afternoon. Seas 5 to 8 ft, subsiding to 4 to 6 ft in the afternoon. Wave Detail: NW 7 ft at 7 seconds and SE 1 foot at 9 seconds, becoming NW 5 ft at 6 seconds and SE 1 foot at 9 seconds. .SAT NIGHT...N winds 10 to 15 kt, becoming SE 5 to 10 kt after midnight. Seas 2 to 4 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 20 to 25 kt in the afternoon. Gusts up to 30 kt. Seas 2 to 3 ft, building to 5 to 7 ft in the afternoon. Wave Detail: S 3 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 20 to 25 kt after midnight. Seas 5 to 8 ft. Wave Detail: S 8 ft at 7 seconds. Rain. .MON...NW winds 20 to 25 kt. Seas 4 to 6 ft. .MON NIGHT...NE winds 10 to 15 kt. Seas 2 to 4 ft. .TUE...SE winds 15 to 20 kt. Seas 3 to 5 ft. A chance of rain. Vsby 1 to 3 NM. .TUE NIGHT...N winds 25 to 30 kt. Seas 6 to 9 ft. Rain likely. Vsby 1 to 3 NM. 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. $$ ANZ232-290700- Nantucket Sound- 103 PM EST Fri Nov 28 2025 ...GALE WARNING IN EFFECT THROUGH SATURDAY MORNING... .THIS AFTERNOON...W winds 25 to 30 kt with gusts up to 35 kt. Seas 4 to 6 ft. Wave Detail: W 5 ft at 5 seconds and S 2 ft at 8 seconds. .TONIGHT...W winds 25 to 30 kt with gusts up to 35 kt. Seas 5 to 7 ft. Wave Detail: W 5 ft at 5 seconds and S 2 ft at 9 seconds. .SAT...W winds 20 to 25 kt with gusts up to 30 kt, becoming NW 15 to 20 kt in the afternoon. Seas 3 to 5 ft. Wave Detail: W 4 ft at 5 seconds and SW 2 ft at 9 seconds. .SAT NIGHT...NW winds 10 to 15 kt, becoming E around 5 kt after midnight. Seas 2 to 3 ft. Wave Detail: NW 2 ft at 4 seconds and SE 1 foot at 9 seconds. .SUN...S winds 15 to 20 kt, increasing to 20 to 25 kt in the afternoon. Seas 2 to 4 ft. Wave Detail: S 4 ft at 4 seconds and SE 1 foot at 7 seconds. A chance of rain in the afternoon. .SUN NIGHT...S winds 20 to 25 kt, becoming W after midnight. Gusts up to 30 kt. Seas 3 to 5 ft. Wave Detail: S 4 ft at 6 seconds. Rain. .MON...NW winds 15 to 20 kt. Seas 2 to 4 ft. A chance of rain. .MON NIGHT...N winds 10 to 15 kt. Seas 2 to 3 ft. .TUE...SE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. A chance of rain. Vsby 1 to 3 NM. .TUE NIGHT...NE winds 20 to 25 kt. Seas 3 to 5 ft. Rain likely. Vsby 1 to 3 NM. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ233-290700- Vineyard Sound- 103 PM EST Fri Nov 28 2025 ...GALE WARNING IN EFFECT THROUGH SATURDAY MORNING... .THIS AFTERNOON...W winds 25 to 30 kt with gusts up to 35 kt. Seas 5 to 7 ft. Wave Detail: S 6 ft at 7 seconds. .TONIGHT...W winds 25 to 30 kt with gusts up to 35 kt. Seas 5 to 7 ft. Wave Detail: SW 6 ft at 7 seconds and S 3 ft at 8 seconds. .SAT...W winds 20 to 25 kt, becoming NW 15 to 20 kt in the afternoon. Seas 3 to 5 ft. Wave Detail: W 5 ft at 7 seconds and S 1 foot at 9 seconds. .SAT NIGHT...NW winds 5 to 10 kt, becoming E after midnight. Seas 2 to 3 ft. Wave Detail: W 2 ft at 6 seconds and SE 1 foot at 9 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 3 ft, building to 3 to 5 ft in the afternoon. Wave Detail: S 2 ft at 6 seconds, becoming S 5 ft at 5 seconds and SE 2 ft 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 6 ft at 7 seconds. Rain. .MON AND MON NIGHT...NW winds 15 to 20 kt, becoming N 10 to 15 kt. Seas 2 to 4 ft. .TUE...E 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...N winds 20 to 25 kt. Seas 4 to 6 ft. Rain likely. Vsby 1 to 3 NM. 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. $$ ANZ234-290700- Buzzards Bay- 103 PM EST Fri Nov 28 2025 ...GALE WARNING IN EFFECT THROUGH SATURDAY MORNING... .THIS AFTERNOON...W winds 20 to 25 kt with gusts up to 35 kt. Seas 3 to 5 ft. Wave Detail: S 5 ft at 7 seconds. .TONIGHT...W winds 20 to 25 kt with gusts up to 30 kt. Seas 3 to 5 ft. Wave Detail: SW 5 ft at 6 seconds and S 3 ft at 9 seconds. .SAT...W winds 20 to 25 kt, becoming NW 10 to 15 kt in the afternoon. Seas 2 to 4 ft. Wave Detail: W 4 ft at 6 seconds and S 2 ft at 9 seconds. .SAT NIGHT...NW winds 5 to 10 kt, becoming E after midnight. Seas around 2 ft in the evening, then 1 foot or less. Wave Detail: W 2 ft at 6 seconds and SE 1 foot at 9 seconds, becoming S 1 foot at 7 seconds. .SUN...S winds 15 to 20 kt, increasing to 20 to 25 kt with gusts up to 30 kt in the afternoon. Seas 2 to 4 ft. Wave Detail: S 4 ft at 6 seconds. Rain likely in the afternoon. .SUN NIGHT...SW winds 25 to 30 kt, becoming W 20 to 25 kt after midnight. Seas 3 to 5 ft. Wave Detail: S 5 ft at 7 seconds. Rain. .MON AND MON NIGHT...NW winds 15 to 20 kt, becoming N 10 to 15 kt. Seas 2 to 3 ft. .TUE...E winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. Rain likely. Vsby 1 to 3 NM. .TUE NIGHT...N winds 20 to 25 kt. Seas 3 to 5 ft. Rain likely. Vsby 1 to 3 NM. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ235-290700- Rhode Island Sound- 103 PM EST Fri Nov 28 2025 ...GALE WARNING IN EFFECT THROUGH SATURDAY MORNING... .THIS AFTERNOON...W winds 25 to 30 kt with gusts up to 35 kt. Seas 5 to 8 ft. Wave Detail: W 7 ft at 7 seconds and S 2 ft at 8 seconds. .TONIGHT...W winds 25 to 30 kt with gusts up to 35 kt. Seas 5 to 8 ft. Wave Detail: W 8 ft at 7 seconds and S 6 ft at 9 seconds. .SAT...W winds 20 to 25 kt, becoming NW 15 to 20 kt in the afternoon. Seas 4 to 6 ft, subsiding to 2 to 4 ft in the afternoon. Wave Detail: W 6 ft at 7 seconds and S 2 ft at 9 seconds, becoming W 4 ft at 7 seconds and SE 1 foot at 9 seconds. .SAT NIGHT...NW winds 5 to 10 kt, becoming E after midnight. Seas 2 to 3 ft. Wave Detail: W 3 ft at 6 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 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 7 ft. Wave Detail: S 7 ft at 7 seconds. Rain. .MON...NW winds 15 to 20 kt. Seas 3 to 5 ft. .MON NIGHT...N winds 10 to 15 kt. Seas 2 to 3 ft. .TUE...E 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...N winds 20 to 25 kt. Seas 5 to 7 ft. Rain likely. Vsby 1 to 3 NM. 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. $$ ANZ237-290700- Block Island Sound- 103 PM EST Fri Nov 28 2025 ...GALE WARNING IN EFFECT THROUGH SATURDAY MORNING... .THIS AFTERNOON...W winds 20 to 25 kt with gusts up to 35 kt. Seas 5 to 7 ft. Wave Detail: W 5 ft at 5 seconds and S 3 ft at 8 seconds. .TONIGHT...W winds 25 to 30 kt, diminishing to 20 to 25 kt after midnight. Seas 5 to 7 ft. Wave Detail: W 5 ft at 5 seconds and S 3 ft at 8 seconds. .SAT...W winds 15 to 20 kt, becoming NW 10 to 15 kt in the afternoon. Gusts up to 25 kt. Seas 3 to 5 ft. Wave Detail: W 3 ft at 5 seconds and S 2 ft at 8 seconds. .SAT NIGHT...NW winds 5 to 10 kt, becoming SE after midnight. Seas around 2 ft in the evening, then 1 foot or less. Wave Detail: W 2 ft at 4 seconds and SE 1 foot at 9 seconds, becoming SW 1 foot at 4 seconds and SE 1 foot at 9 seconds. .SUN...S winds 15 to 20 kt, increasing to 20 to 25 kt in the afternoon. Gusts up to 30 kt. Seas 2 to 3 ft, building to 3 to 5 ft in the afternoon. Wave Detail: S 3 ft at 4 seconds and SE 1 foot at 9 seconds, becoming S 5 ft at 7 seconds. Rain likely in the afternoon. .SUN NIGHT...SW winds 20 to 25 kt, becoming W 15 to 20 kt after midnight. Gusts up to 30 kt. Seas 4 to 6 ft. Wave Detail: S 6 ft at 7 seconds. Rain likely. .MON AND MON NIGHT...NW winds 15 to 20 kt, becoming NE 5 to 10 kt. Seas 2 to 4 ft. .TUE...E winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Rain likely. Vsby 1 to 3 NM. .TUE NIGHT...N winds 15 to 20 kt with gusts up to 25 kt. Seas 5 to 7 ft. Rain likely. Vsby 1 to 3 NM. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ230-290700- Boston Harbor- 103 PM EST Fri Nov 28 2025 ...GALE WARNING IN EFFECT UNTIL 7 PM EST THIS EVENING... .THIS AFTERNOON...W winds 20 to 25 kt with gusts up to 30 kt. Waves around 2 ft. .TONIGHT...W winds 20 to 25 kt, diminishing to 15 to 20 kt after midnight. Gusts up to 30 kt. Waves around 2 ft. .SAT...W winds 15 to 20 kt, diminishing to 10 to 15 kt in the afternoon. Gusts up to 25 kt. Waves around 2 ft. .SAT NIGHT...NW winds 5 to 10 kt, becoming SW 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. A chance of rain in the morning, then rain likely in the afternoon. .SUN NIGHT...S winds 15 to 20 kt, becoming W after midnight. Gusts up to 25 kt. Waves around 2 ft. Rain. .MON AND MON NIGHT...W winds 15 to 20 kt, becoming NW 5 to 10 kt. Waves around 2 ft, then 1 foot or less. .TUE AND TUE NIGHT...E winds 5 to 10 kt, becoming N 15 to 20 kt. Waves 1 foot or less, then around 2 ft. Rain likely with a chance of snow. Vsby 1 to 3 NM. 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. $$ ANZ236-290700- Narragansett Bay- 103 PM EST Fri Nov 28 2025 ...GALE WARNING IN EFFECT UNTIL 7 PM EST THIS EVENING... .THIS AFTERNOON...W winds 20 to 25 kt with gusts up to 30 kt. Waves 3 to 4 ft. .TONIGHT...W winds 15 to 20 kt with gusts up to 30 kt. Waves 2 to 4 ft. .SAT...W winds 10 to 15 kt with gusts up to 20 kt. Waves 2 to 3 ft. .SAT NIGHT...NW winds 5 to 10 kt, becoming E after midnight. Waves around 2 ft in the evening, then 1 foot or less. .SUN...S winds 10 to 15 kt with gusts up to 20 kt, increasing to 20 to 25 kt with gusts up to 30 kt in the afternoon. Waves 2 to 4 ft. Rain likely in the afternoon. .SUN NIGHT...SW winds 20 to 25 kt, becoming W 15 to 20 kt after midnight. Gusts up to 30 kt. Waves 3 to 5 ft. Rain. .MON AND MON NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt, becoming N 5 to 10 kt. Waves 2 to 3 ft. .TUE...E winds 10 to 15 kt. Waves around 2 ft. Rain likely. Vsby 1 to 3 NM. .TUE NIGHT...N winds 15 to 20 kt. Waves 2 to 3 ft, except 4 to 6 ft at the bay entrance. Rain likely. Vsby 1 to 3 NM. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ 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