FZUS51 KBOX 142105 CWFBOX Coastal Waters Forecast for Massachusetts and Rhode Island National Weather Service Boston/Norton MA 404 PM EST Fri Nov 14 2025 Coastal waters from the Merrimack River MA to Watch Hill RI out to 25 NM ANZ200-151000- 404 PM EST Fri Nov 14 2025 .Synopsis for Massachusetts and Rhode Island coastal waters... Gusty NW winds will diminish tonight into Sat as high pres builds in from the W. A warm front will move into the waters Sat night followed by a cold front Sun morning. Behind the front, gale force W- NW winds expected to develop Sun into Mon as low pres strengthens in the Maritimes. A weak low pres is expected to move E off the mid Atlc coast Tue night followed by high pres building in from the W on Wed. $$ ANZ250-151000- Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- 404 PM EST Fri Nov 14 2025 ...GALE WATCH IN EFFECT FROM SUNDAY MORNING THROUGH MONDAY EVENING... .TONIGHT...NW winds 15 to 20 kt. Seas 2 to 3 ft. Wave Detail: N 3 ft at 5 seconds and SE 1 foot at 9 seconds. .SAT...W winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: N 3 ft at 5 seconds and E 1 foot at 9 seconds. .SAT NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 4 seconds and E 2 ft at 8 seconds. Rain. Vsby 1 to 3 NM after midnight. .SUN...W winds 15 to 20 kt with gusts up to 30 kt, increasing to 20 to 25 kt with gusts up to 40 kt in the afternoon. Seas 3 to 5 ft. Wave Detail: W 5 ft at 5 seconds and SE 2 ft at 5 seconds. A chance of rain in the morning. .SUN NIGHT THROUGH MON NIGHT...W winds 25 to 30 kt with gusts up to 40 kt. Seas 5 to 7 ft. Wave Detail: W 7 ft at 6 seconds and S 1 foot at 7 seconds. .TUE...W winds 20 to 25 kt with gusts up to 30 kt. Seas 3 to 5 ft. Wave Detail: W 5 ft at 5 seconds and E 1 foot at 13 seconds. .TUE NIGHT THROUGH WED NIGHT...NW winds 15 to 20 kt. Seas 2 to 3 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ251-151000- Massachusetts Bay and Ipswich Bay- 404 PM EST Fri Nov 14 2025 ...GALE WATCH IN EFFECT FROM SUNDAY MORNING THROUGH MONDAY EVENING... .TONIGHT...NW winds 10 to 15 kt. Gusts up to 20 kt this evening. Seas around 2 ft. Wave Detail: N 2 ft at 4 seconds and E 1 foot at 9 seconds. .SAT...W winds 10 to 15 kt. Seas around 2 ft. Wave Detail: N 2 ft at 4 seconds and E 1 foot at 9 seconds. .SAT NIGHT...SW winds 10 to 15 kt, increasing to 15 to 20 kt after midnight. Seas 2 to 3 ft. Wave Detail: S 3 ft at 3 seconds and E 2 ft at 8 seconds. Rain. Vsby 1 to 3 NM after midnight. .SUN...W winds 15 to 20 kt, increasing to 20 to 25 kt in the afternoon. Gusts up to 30 kt. Seas 2 to 3 ft. Wave Detail: W 3 ft at 3 seconds and SE 2 ft at 6 seconds. A chance of rain in the morning. .SUN NIGHT THROUGH MON NIGHT...W winds 25 to 30 kt with gusts up to 35 kt. Seas 3 to 4 ft. Wave Detail: NW 4 ft at 5 seconds and SW 2 ft at 8 seconds. .TUE THROUGH WED NIGHT...NW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 3 ft. Wave Detail: NW 3 ft at 5 seconds. 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. $$ ANZ231-151000- Cape Cod Bay- 404 PM EST Fri Nov 14 2025 ...GALE WATCH IN EFFECT FROM SUNDAY MORNING THROUGH MONDAY EVENING... .TONIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: N 3 ft at 5 seconds and SE 1 foot at 9 seconds. .SAT...NW winds 10 to 15 kt, becoming W in the afternoon. Seas around 2 ft. Wave Detail: N 2 ft at 5 seconds and E 1 foot at 9 seconds. .SAT NIGHT...SW winds 10 to 15 kt, increasing to 15 to 20 kt after midnight. Gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: SW 2 ft at 3 seconds and N 2 ft at 5 seconds. Rain. Vsby 1 to 3 NM after midnight. .SUN...W winds 15 to 20 kt, increasing to 25 to 30 kt in the afternoon. Seas 3 to 4 ft. Wave Detail: W 4 ft at 4 seconds and SE 2 ft at 6 seconds. A chance of rain in the morning. .SUN NIGHT THROUGH MON NIGHT...W winds 25 to 30 kt with gusts up to 35 kt. Seas 3 to 5 ft. Wave Detail: NW 5 ft at 5 seconds and SW 3 ft at 9 seconds. .TUE THROUGH WED NIGHT...NW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 3 ft. Wave Detail: NW 3 ft at 6 seconds and S 1 foot at 10 seconds. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ254-151000- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm- 404 PM EST Fri Nov 14 2025 ...GALE WATCH IN EFFECT FROM SUNDAY MORNING THROUGH MONDAY EVENING... .TONIGHT...NW winds 15 to 20 kt. Seas 3 to 4 ft. Wave Detail: N 4 ft at 6 seconds and SE 1 foot at 9 seconds. A slight chance of rain this evening. .SAT...W winds 10 to 15 kt. Seas 2 to 4 ft. Wave Detail: N 3 ft at 6 seconds and E 1 foot at 10 seconds. .SAT NIGHT...SW winds 15 to 20 kt, becoming S 20 to 25 kt after midnight. Seas 2 to 3 ft, building to 3 to 5 ft after midnight. Wave Detail: SW 3 ft at 4 seconds and N 2 ft at 6 seconds, becoming SW 5 ft at 5 seconds and N 2 ft at 5 seconds. Rain. Vsby 1 to 3 NM after midnight. .SUN...W winds 15 to 20 kt, increasing to 25 to 30 kt in the afternoon. Seas 5 to 7 ft. S and E of Nantucket, seas 6 to 9 ft, building to 8 to 11 ft in the afternoon. Wave Detail: W 5 ft at 5 seconds and S 4 ft at 9 seconds. A chance of rain in the morning. .SUN NIGHT...W winds 25 to 35 kt, becoming 30 to 35 kt after midnight. Seas 7 to 10 ft, except 10 to 14 ft S and E of Nantucket. Wave Detail: W 8 ft at 6 seconds and S 4 ft at 10 seconds. .MON AND MON NIGHT...W winds 25 to 30 kt with gusts up to 40 kt. Seas 6 to 9 ft, except 9 to 13 ft S and E of Nantucket. Wave Detail: W 8 ft at 7 seconds and SW 3 ft at 11 seconds. .TUE...W winds 20 to 25 kt. Seas 4 to 6 ft. .TUE NIGHT THROUGH WED NIGHT...NW 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. $$ ANZ255-151000- Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- 404 PM EST Fri Nov 14 2025 ...GALE WATCH IN EFFECT FROM SUNDAY MORNING THROUGH MONDAY EVENING... .TONIGHT...NW winds around 15 kt with gusts up to 20 kt. Seas 3 to 4 ft. Wave Detail: NW 4 ft at 6 seconds and SE 1 foot at 9 seconds. A slight chance of rain this evening. .SAT...NW winds 10 to 15 kt, becoming W in the afternoon. Seas 2 to 4 ft. Wave Detail: N 3 ft at 6 seconds and E 1 foot at 9 seconds. .SAT NIGHT...SW winds 15 to 20 kt, increasing to 20 to 25 kt after midnight. Gusts up to 30 kt. Seas 2 to 4 ft, building to 5 to 7 ft after midnight. Wave Detail: SW 4 ft at 4 seconds and NE 1 foot at 6 seconds, becoming SW 7 ft at 7 seconds and NE 1 foot at 7 seconds. Rain. Vsby 1 to 3 NM after midnight. .SUN...W winds 25 to 35 kt with gusts up to 40 kt. Seas 7 to 10 ft. Wave Detail: SW 10 ft at 9 seconds and NE 1 foot at 7 seconds. A chance of rain in the morning. .SUN NIGHT AND MON...W winds 30 to 40 kt with gusts up to 45 kt. Seas 9 to 13 ft. Wave Detail: SW 13 ft at 9 seconds and E 1 foot at 14 seconds. .MON NIGHT...W winds 30 to 40 kt, diminishing to 25 to 30 kt after midnight. Seas 8 to 11 ft. Wave Detail: W 11 ft at 9 seconds and E 1 foot at 14 seconds. .TUE...W winds 25 to 30 kt. Seas 5 to 7 ft. .TUE NIGHT...NW winds 15 to 20 kt. Seas 3 to 5 ft. .WED AND WED NIGHT...NW winds 10 to 15 kt. Seas 2 to 3 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ256-151000- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 404 PM EST Fri Nov 14 2025 ...GALE WATCH IN EFFECT FROM SUNDAY MORNING THROUGH MONDAY EVENING... .TONIGHT...NW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: N 4 ft at 4 seconds and SE 1 foot at 9 seconds. A slight chance of rain this evening. .SAT...NW winds 10 to 15 kt, becoming W in the afternoon. Seas 2 to 3 ft. Wave Detail: N 3 ft at 4 seconds. .SAT NIGHT...SW winds 15 to 20 kt, increasing to 20 to 25 kt after midnight. Gusts up to 30 kt. Seas 2 to 4 ft, building to 5 to 7 ft after midnight. Wave Detail: SW 4 ft at 4 seconds, becoming SW 7 ft at 7 seconds and S 1 foot at 8 seconds. Rain. Vsby 1 to 3 NM. .SUN...W winds 25 to 35 kt with gusts up to 40 kt. Seas 6 to 8 ft, building to 7 to 10 ft in the afternoon. Wave Detail: SW 8 ft at 7 seconds and S 4 ft at 8 seconds, becoming W 9 ft at 7 seconds and SW 7 ft at 9 seconds. A chance of rain in the morning. .SUN NIGHT AND MON...W winds 30 to 40 kt with gusts up to 45 kt. Seas 9 to 12 ft. Wave Detail: W 12 ft at 8 seconds and SW 7 ft at 9 seconds. .MON NIGHT...NW winds 25 to 35 kt with gusts up to 40 kt. Seas 7 to 10 ft. Wave Detail: NW 10 ft at 8 seconds and SW 4 ft at 9 seconds. .TUE...W winds 20 to 25 kt with gusts up to 30 kt. Seas 4 to 6 ft. .TUE NIGHT AND WED...NW winds 15 to 20 kt, diminishing to 10 to 15 kt. Seas 2 to 4 ft. .WED NIGHT...N winds around 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. $$ ANZ232-151000- Nantucket Sound- 404 PM EST Fri Nov 14 2025 ...GALE WATCH IN EFFECT FROM SUNDAY MORNING THROUGH MONDAY EVENING... .TONIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: N 2 ft at 4 seconds and SE 1 foot at 9 seconds. .SAT...NW winds 10 to 15 kt, becoming W in the afternoon. Seas around 2 ft. Wave Detail: NW 2 ft at 3 seconds and NE 1 foot at 6 seconds. .SAT NIGHT...SW winds 15 to 20 kt, increasing to 20 to 25 kt after midnight. Seas 2 to 3 ft, building to 3 to 5 ft after midnight. Wave Detail: SW 2 ft at 4 seconds and NE 1 foot at 6 seconds, becoming SW 4 ft at 5 seconds and NE 1 foot at 6 seconds. Rain. Vsby 1 to 3 NM after midnight. .SUN...W winds 20 to 25 kt, increasing to 25 to 30 kt in the afternoon. Seas 4 to 6 ft. Wave Detail: W 5 ft at 5 seconds and SW 3 ft at 9 seconds. A chance of rain in the morning. .SUN NIGHT AND MON...W winds 25 to 35 kt with gusts up to 40 kt. Seas 5 to 7 ft. Wave Detail: W 6 ft at 5 seconds and SW 3 ft at 10 seconds. .MON NIGHT...W winds 25 to 30 kt with gusts up to 35 kt. Seas 4 to 6 ft. Wave Detail: NW 5 ft at 6 seconds and SW 2 ft at 10 seconds. .TUE AND TUE NIGHT...W winds 20 to 25 kt, becoming NW 15 to 20 kt. Seas 2 to 4 ft. .WED AND WED NIGHT...NW winds 10 to 15 kt, diminishing to 5 to 10 kt. Seas around 2 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ233-151000- Vineyard Sound- 404 PM EST Fri Nov 14 2025 ...GALE WATCH IN EFFECT FROM SUNDAY MORNING THROUGH MONDAY EVENING... .TONIGHT...NW winds 10 to 15 kt. Gusts up to 20 kt this evening. Seas around 2 ft. Wave Detail: N 2 ft at 5 seconds and SE 1 foot at 9 seconds. .SAT...NW winds 10 to 15 kt, becoming W in the afternoon. Seas around 2 ft in the morning, then 1 foot or less. Wave Detail: N 2 ft at 5 seconds, becoming W 1 foot at 4 seconds and NE 1 foot at 5 seconds. .SAT NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. Wave Detail: SW 5 ft at 6 seconds and NE 1 foot at 6 seconds. Rain. Vsby 1 to 3 NM after midnight. .SUN...W winds 20 to 25 kt, increasing to 25 to 30 kt in the afternoon. Seas 4 to 6 ft. Wave Detail: SW 5 ft at 7 seconds and E 1 foot at 15 seconds. A chance of rain in the morning. .SUN NIGHT AND MON...W winds 25 to 35 kt with gusts up to 40 kt. Seas 5 to 7 ft. Wave Detail: W 6 ft at 6 seconds and SW 6 ft at 9 seconds. .MON NIGHT...W winds 25 to 30 kt, diminishing to 20 to 25 kt after midnight. Seas 4 to 6 ft. Wave Detail: W 6 ft at 7 seconds and SW 4 ft at 10 seconds. .TUE AND TUE NIGHT...W winds 20 to 25 kt, becoming NW 10 to 15 kt. Seas 2 to 4 ft. .WED AND WED NIGHT...NW winds 5 to 10 kt. Seas around 2 ft, then 1 foot or less. 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. $$ ANZ234-151000- Buzzards Bay- 404 PM EST Fri Nov 14 2025 ...GALE WATCH IN EFFECT FROM SUNDAY MORNING THROUGH MONDAY EVENING... .TONIGHT...NW winds 10 to 15 kt. Seas around 2 ft. Wave Detail: N 2 ft at 5 seconds and SE 1 foot at 9 seconds. .SAT...NW winds around 10 kt, becoming W in the afternoon. Seas around 2 ft. Wave Detail: N 1 foot at 4 seconds. .SAT NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: SW 4 ft at 5 seconds and NE 1 foot at 5 seconds. Rain. Vsby 1 to 3 NM after midnight. .SUN...W winds 20 to 25 kt, increasing to 25 to 30 kt in the afternoon. Seas 3 to 4 ft. Wave Detail: SW 4 ft at 7 seconds and E 1 foot at 5 seconds. A chance of rain in the morning. .SUN NIGHT THROUGH MON NIGHT...W winds 25 to 30 kt with gusts up to 35 kt. Seas 3 to 5 ft. Wave Detail: W 5 ft at 5 seconds and SW 5 ft at 9 seconds. .TUE THROUGH WED NIGHT...NW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 3 ft. Wave Detail: W 3 ft at 6 seconds and N 1 foot at 6 seconds. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ235-151000- Rhode Island Sound- 404 PM EST Fri Nov 14 2025 ...GALE WATCH IN EFFECT FROM SUNDAY MORNING THROUGH MONDAY EVENING... .TONIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: N 3 ft at 5 seconds and SE 1 foot at 9 seconds. .SAT...NW winds 10 to 15 kt, becoming W in the afternoon. Seas around 2 ft. Wave Detail: N 2 ft at 5 seconds. .SAT NIGHT...SW winds 15 to 20 kt, increasing to 20 to 25 kt after midnight. Seas 2 to 3 ft, building to 4 to 6 ft after midnight. Wave Detail: SW 3 ft at 4 seconds and N 1 foot at 4 seconds, becoming S 6 ft at 7 seconds and E 1 foot at 15 seconds. Rain. Vsby 1 to 3 NM. .SUN...W winds 20 to 25 kt, increasing to 25 to 30 kt in the afternoon. Seas 5 to 7 ft. Wave Detail: SW 6 ft at 8 seconds and E 1 foot at 15 seconds. A chance of rain in the morning. .SUN NIGHT THROUGH MON NIGHT...W winds 25 to 35 kt with gusts up to 40 kt. Seas 5 to 7 ft. Wave Detail: W 7 ft at 7 seconds and SW 7 ft at 9 seconds. .TUE...W winds 20 to 25 kt. Seas 3 to 5 ft. Wave Detail: W 5 ft at 6 seconds and SW 1 foot at 9 seconds. .TUE NIGHT THROUGH WED NIGHT...N winds 10 to 15 kt with gusts up to 20 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. $$ ANZ237-151000- Block Island Sound- 404 PM EST Fri Nov 14 2025 ...GALE WATCH IN EFFECT FROM SUNDAY MORNING THROUGH MONDAY EVENING... .TONIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. Wave Detail: NW 2 ft at 4 seconds and SE 1 foot at 9 seconds. .SAT...NW winds 5 to 10 kt, becoming W in the afternoon. Seas around 2 ft in the morning, then 1 foot or less. Wave Detail: N 1 foot at 3 seconds, becoming N 1 foot at 3 seconds and W 1 foot at 3 seconds. .SAT NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 3 ft, building to 3 to 5 ft after midnight. Wave Detail: SW 3 ft at 4 seconds, becoming SW 4 ft at 5 seconds and S 3 ft at 9 seconds. Rain. Vsby 1 to 3 NM. .SUN...W winds 20 to 25 kt, increasing to 25 to 30 kt in the afternoon. Seas 4 to 6 ft. Wave Detail: SW 5 ft at 6 seconds. A chance of rain in the morning. .SUN NIGHT AND MON...W winds 25 to 30 kt with gusts up to 35 kt. Seas 5 to 7 ft. Wave Detail: W 6 ft at 6 seconds and S 4 ft at 9 seconds. .MON NIGHT...W winds 20 to 25 kt with gusts up to 30 kt. Seas 4 to 6 ft. Wave Detail: W 5 ft at 5 seconds and SW 3 ft at 9 seconds. .TUE AND TUE NIGHT...W winds 15 to 20 kt, becoming NW 10 to 15 kt. Gusts up to 25 kt. Seas 2 to 4 ft. .WED AND WED NIGHT...NW winds 5 to 10 kt. Seas around 2 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ230-151000- Boston Harbor- 404 PM EST Fri Nov 14 2025 ...GALE WATCH IN EFFECT FROM SUNDAY MORNING THROUGH MONDAY EVENING... .TONIGHT...NW winds 10 to 15 kt. Waves around 2 ft. .SAT...W winds around 10 kt. Waves 1 foot or less. .SAT NIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt after midnight. Waves around 2 ft. Rain. Vsby 1 to 3 NM after midnight. .SUN...W winds 15 to 20 kt, increasing to 20 to 25 kt in the afternoon. Gusts up to 30 kt. Waves around 2 ft. .SUN NIGHT THROUGH MON NIGHT...W winds 20 to 25 kt with gusts up to 30 kt. Waves around 2 ft. .TUE THROUGH WED NIGHT...NW winds 15 to 20 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. $$ ANZ236-151000- Narragansett Bay- 404 PM EST Fri Nov 14 2025 ...GALE WATCH IN EFFECT FROM SUNDAY MORNING THROUGH MONDAY EVENING... .TONIGHT...NW winds 5 to 10 kt. Waves around 2 ft this evening, then 1 foot or less. .SAT...NW winds 5 to 10 kt, becoming W in the afternoon. Waves 1 foot or less. .SAT NIGHT...SW winds 10 to 15 kt, increasing to 15 to 20 kt after midnight. Gusts up to 25 kt. Waves 2 to 3 ft. Rain. Vsby 1 to 3 NM. .SUN...W winds 15 to 20 kt, increasing to 20 to 25 kt in the afternoon. Gusts up to 30 kt. Waves 2 to 3 ft. A chance of rain in the morning. .SUN NIGHT THROUGH MON NIGHT...W winds 20 to 25 kt with gusts up to 30 kt. Waves 2 to 3 ft. .TUE THROUGH WED NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Waves 2 to 3 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ 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