FZUS51 KBOX 222101 CWFBOX Coastal Waters Forecast for Massachusetts and Rhode Island National Weather Service Boston/Norton MA 401 PM EST Thu Feb 22 2024 Coastal waters from the Merrimack River MA to Watch Hill RI out to 25 NM ANZ200-231000- 401 PM EST Thu Feb 22 2024 .Synopsis for Massachusetts and Rhode Island coastal waters... High pres remains in control of the weather over the coastal waters through Thu. Seas build Thu as a coastal low pres moves well to the S of srn New England. Another low pres expected to cross the waters on Fri into Sat. High pres should then arrive for Sun, followed by a cold front sometime Mon. $$ ANZ250-231000- Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- 401 PM EST Thu Feb 22 2024 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY MORNING... .TONIGHT...S winds 10 to 15 kt with gusts up to 25 kt. Seas 5 to 8 ft. A slight chance of showers this evening, then a chance of rain after midnight. Vsby 1 to 3 NM. .FRI...S winds 15 to 20 kt, becoming SW 10 to 15 kt in the afternoon. Gusts up to 25 kt. Seas 5 to 7 ft. A chance of rain in the morning, then rain in the afternoon. .FRI NIGHT...NW winds 5 to 10 kt, becoming N 10 to 15 kt with gusts up to 20 kt after midnight. Seas 4 to 6 ft. Rain likely, mainly in the evening. .SAT...NW winds 15 to 20 kt with gusts up to 25 kt. Seas 5 to 7 ft. .SAT NIGHT...NW winds 15 to 20 kt with gusts up to 25 kt. Seas 5 to 7 ft. .SUN AND SUN NIGHT...SW winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to 5 ft. .MON...SW winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to 5 ft. .MON NIGHT AND TUE...NW winds 10 to 15 kt, becoming S. Gusts up to 25 kt. Seas 2 to 4 ft. .TUE NIGHT...S winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to 5 ft. A chance of rain. Vsby 1 to 3 NM. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ251-231000- Massachusetts Bay and Ipswich Bay- 401 PM EST Thu Feb 22 2024 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY MORNING... .TONIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 6 ft. A chance of showers this evening, then a chance of rain after midnight. Vsby 1 to 3 NM. .FRI...S winds 10 to 15 kt with gusts up to 20 kt, becoming SW 5 to 10 kt in the afternoon. Seas 4 to 6 ft. Rain. .FRI NIGHT...NW winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt after midnight. Seas 3 to 5 ft. Rain likely, mainly in the evening. .SAT...NW winds 20 to 25 kt, diminishing to 15 to 20 kt in the afternoon. Seas 3 to 5 ft. .SAT NIGHT...NW winds 20 to 25 kt, diminishing to 15 to 20 kt after midnight. Gusts up to 30 kt. Seas 3 to 5 ft. .SUN AND SUN NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. .MON...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. .MON NIGHT AND TUE...W winds 10 to 15 kt, becoming S. Gusts up to 20 kt. Seas around 2 ft. .TUE NIGHT...S winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to 4 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. $$ ANZ231-231000- Cape Cod Bay- 401 PM EST Thu Feb 22 2024 .TONIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. A chance of rain after midnight with vsby 1 to 3 NM. .FRI...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. A chance of rain in the morning, then rain in the afternoon. .FRI NIGHT...NW winds 5 to 10 kt, becoming N 10 to 15 kt with gusts up to 20 kt after midnight. Seas 2 to 3 ft. Rain likely, mainly in the evening. .SAT...N winds 15 to 20 kt, becoming NW 10 to 15 kt in the afternoon. Gusts up to 25 kt. Seas 3 to 4 ft. Patchy fog in the morning with vsby 1 to 3 NM. .SAT NIGHT...NW winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Seas 3 to 4 ft. .SUN AND SUN NIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. .MON...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. .MON NIGHT AND TUE...NW winds 10 to 15 kt, becoming SE. Gusts up to 20 kt. Seas around 2 ft. .TUE NIGHT...S winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to 4 ft. A chance of rain. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ254-231000- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm- 401 PM EST Thu Feb 22 2024 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY MORNING... .TONIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 6 to 8 ft. A slight chance of rain after midnight with vsby 1 to 3 NM. .FRI...S winds 15 to 20 kt with gusts up to 25 kt. Seas 5 to 7 ft. A chance of rain in the morning, then rain in the afternoon. .FRI NIGHT...W winds 5 to 10 kt, becoming N 10 to 15 kt with gusts up to 20 kt after midnight. Seas 4 to 6 ft. Rain, mainly in the evening. .SAT...N winds 15 to 20 kt with gusts up to 25 kt. Seas 5 to 8 ft. A chance of rain in the morning with vsby 1 to 3 NM. .SAT NIGHT...N winds 10 to 15 kt. Gusts up to 20 kt in the evening. Seas 5 to 7 ft. .SUN AND SUN NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 6 ft. .MON AND MON NIGHT...SW winds 15 to 20 kt, becoming NW 10 to 15 kt. Gusts up to 30 kt. Seas 3 to 5 ft. .TUE...SE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. .TUE NIGHT...S winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to 5 ft. A chance of rain. 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. $$ ANZ255-231000- Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- 401 PM EST Thu Feb 22 2024 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY MORNING... .TONIGHT...S winds 10 to 15 kt. Gusts up to 20 kt after midnight. Seas 5 to 7 ft. A slight chance of rain after midnight. .FRI...S winds 15 to 20 kt, becoming SW 10 to 15 kt in the afternoon. Gusts up to 25 kt. Seas 4 to 6 ft. A chance of rain in the morning, then rain in the afternoon. .FRI NIGHT...W winds 5 to 10 kt, becoming N 10 to 15 kt with gusts up to 20 kt after midnight. Seas 4 to 6 ft. Rain, mainly in the evening. .SAT...N winds 15 to 20 kt with gusts up to 25 kt. Seas 5 to 7 ft. .SAT NIGHT...N winds 15 to 20 kt with gusts up to 25 kt. Seas 5 to 7 ft. .SUN AND SUN NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. .MON THROUGH TUE...SE winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. .TUE NIGHT...S winds around 20 kt with gusts up to 30 kt. Seas 4 to 6 ft. A chance of rain. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ256-231000- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 401 PM EST Thu Feb 22 2024 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY MORNING... .TONIGHT...S winds 10 to 15 kt with gusts up to 25 kt. Seas 5 to 6 ft. A slight chance of rain after midnight. .FRI...S winds 15 to 20 kt, becoming SW 10 to 15 kt in the afternoon. Gusts up to 25 kt. Seas 5 to 6 ft. A chance of rain in the morning, then rain in the afternoon. .FRI NIGHT...NW winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt after midnight. Seas 4 to 6 ft. Rain likely, mainly in the evening. .SAT...N winds 15 to 20 kt, becoming NW 10 to 15 kt in the afternoon. Gusts up to 25 kt. Seas 5 to 6 ft. .SAT NIGHT...N winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 6 ft. .SUN AND SUN NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. .MON THROUGH TUE...SE winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. .TUE NIGHT...S winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to 6 ft. A chance of rain. 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. $$ ANZ232-231000- Nantucket Sound- 401 PM EST Thu Feb 22 2024 .TONIGHT...S winds 10 to 15 kt. Gusts up to 20 kt after midnight. Seas 2 to 4 ft. A slight chance of rain after midnight. .FRI...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. A chance of rain in the morning, then rain in the afternoon. .FRI NIGHT...W winds 5 to 10 kt, becoming N 10 to 15 kt with gusts up to 20 kt after midnight. Seas 2 to 3 ft. Rain in the evening, then a chance of rain and snow after midnight. .SAT...N winds 15 to 20 kt. Seas 3 to 4 ft. Patchy fog in the morning with vsby 1 to 3 NM. .SAT NIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. .SUN AND SUN NIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. .MON THROUGH TUE...SE winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. .TUE NIGHT...S winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to 4 ft. A chance of rain. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ233-231000- Vineyard Sound- 401 PM EST Thu Feb 22 2024 .TONIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. A chance of rain after midnight. .FRI...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. A chance of rain in the morning, then rain in the afternoon. .FRI NIGHT...NW winds 5 to 10 kt, increasing to 10 to 15 kt after midnight. Seas 2 to 3 ft. Rain likely, mainly in the evening. .SAT...N winds 15 to 20 kt, diminishing to 10 to 15 kt in the afternoon. Seas 3 to 4 ft. Patchy fog in the morning with vsby 1 to 3 NM. .SAT NIGHT...N winds 15 to 20 kt. Seas 2 to 4 ft. .SUN AND SUN NIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. .MON...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. .MON NIGHT AND TUE...NW winds 5 to 10 kt, becoming SE 10 to 15 kt. Gusts up to 20 kt. Seas around 2 ft. .TUE NIGHT...S winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to 5 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. $$ ANZ234-231000- Buzzards Bay- 401 PM EST Thu Feb 22 2024 .TONIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. A slight chance of showers this evening, then a chance of rain after midnight. .FRI...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Rain. .FRI NIGHT...NW winds 5 to 10 kt. Seas 2 to 3 ft. Rain likely, mainly in the evening. .SAT...N winds 15 to 20 kt. Seas 2 to 3 ft. Patchy fog in the morning with vsby 1 to 3 NM. .SAT NIGHT...N winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Seas 2 to 3 ft. .SUN...NW winds around 10 kt, becoming SW with gusts up to 20 kt in the afternoon. Seas around 2 ft. .SUN NIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. .MON...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. .MON NIGHT AND TUE...NW winds 5 to 10 kt, becoming SE 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. .TUE NIGHT...S winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to 5 ft. A chance of rain. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ235-231000- Rhode Island Sound- 401 PM EST Thu Feb 22 2024 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY EVENING... .TONIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. A slight chance of showers this evening, then a chance of rain after midnight. .FRI...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft. Rain. .FRI NIGHT...NW winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt after midnight. Seas 3 to 4 ft. Rain likely, mainly in the evening. .SAT...N winds 15 to 20 kt. Seas 4 to 5 ft. .SAT NIGHT...N winds 15 to 20 kt. Seas 3 to 5 ft. .SUN AND SUN NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. .MON THROUGH TUE...SE winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. .TUE NIGHT...S winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to 6 ft. A chance of rain. 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. $$ ANZ237-231000- Block Island Sound- 401 PM EST Thu Feb 22 2024 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY EVENING... .TONIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. A slight chance of showers this evening, then a chance of rain after midnight. .FRI...S winds 10 to 15 kt with gusts up to 20 kt, becoming SW 5 to 10 kt in the afternoon. Seas 3 to 5 ft. Rain. .FRI NIGHT...NW winds 5 to 10 kt. Seas 3 to 4 ft. Rain likely in the evening. .SAT...NW winds 10 to 15 kt. Gusts up to 20 kt in the morning. Seas 3 to 5 ft. .SAT NIGHT...N winds 10 to 15 kt. Gusts up to 20 kt in the evening. Seas 3 to 4 ft. .SUN AND SUN NIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. .MON THROUGH TUE...SE winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. .TUE NIGHT...S winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to 6 ft. A chance of rain. Vsby 1 to 3 NM. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ230-231000- Boston Harbor- 401 PM EST Thu Feb 22 2024 .TONIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Waves around 2 ft. A chance of showers with a slight chance of snow showers this evening, then a chance of rain after midnight with vsby 1 to 3 NM. .FRI...S winds 5 to 10 kt with gusts up to 20 kt, becoming W 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. Rain. .FRI NIGHT...NW winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt after midnight. Waves 1 foot or less, then around 2 ft after midnight. At the outer harbor entrance, waves 2 to 4 ft. A chance of rain. .SAT...NW winds 20 to 25 kt. Waves around 2 ft. .SAT NIGHT...NW winds 20 to 25 kt with gusts up to 30 kt. Waves around 2 ft. .SUN AND SUN NIGHT...SW winds 15 to 20 kt. Waves around 2 ft. .MON THROUGH TUE...SE winds 10 to 15 kt with gusts up to 20 kt. Waves around 2 ft. .TUE NIGHT...S winds 10 to 15 kt with gusts up to 25 kt. 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. $$ ANZ236-231000- Narragansett Bay- 401 PM EST Thu Feb 22 2024 .TONIGHT...S winds around 10 kt with gusts up to 20 kt. Waves 2 to 3 ft. A slight chance of showers this evening, then a chance of rain after midnight. .FRI...SW winds 5 to 10 kt. Gusts up to 20 kt in the morning. Waves 2 to 4 ft. Rain. .FRI NIGHT...NW winds 5 to 10 kt. Waves 2 to 3 ft. Rain likely, mainly in the evening. .SAT...N winds 15 to 20 kt, becoming NW 10 to 15 kt in the afternoon. Waves 2 to 3 ft. .SAT NIGHT...N winds 10 to 15 kt. Gusts up to 20 kt in the evening. Waves 2 to 3 ft. .SUN AND SUN NIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Waves 2 to 4 ft. .MON THROUGH TUE...SE winds 10 to 15 kt with gusts up to 25 kt. Waves 2 to 4 ft. .TUE NIGHT...S winds 15 to 20 kt with gusts up to 30 kt. Waves 3 to 5 ft. A chance of rain. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ 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