Coastal Waters Forecast
Issued by NWS Boston, MA

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000 FZUS51 KBOX 311416 CWFBOX Coastal Waters Forecast for Massachusetts and Rhode Island National Weather Service Boston/Norton MA 1016 AM EDT Sun May 31 2020 Coastal waters from the Merrimack River MA to Watch Hill RI out to 25 NM ANZ200-010300- 1016 AM EDT Sun May 31 2020 .Synopsis for Massachusetts and Rhode Island coastal waters... High pressure over the Great Lakes will build to the east with the center passing well south of the waters Tuesday. A cold front will cross the waters Thursday night. For information on possible hazardous weather beyond the 24-36 hour forecast period, please visit www.weather.gov/boston and follow the Current Hazards link above the map on the left. $$ ANZ250-010300- Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- 1016 AM EDT Sun May 31 2020 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM EDT THIS AFTERNOON... .THIS AFTERNOON...NW winds 15 to 20 kt, diminishing to 10 to 15 kt. Gusts up to 30 kt. Seas 3 to 5 ft. .TONIGHT...NW winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Gusts up to 25 kt. Seas 3 to 5 ft. .MON...NW winds 5 to 10 kt, becoming SW in the afternoon. Seas 2 to 4 ft. .MON NIGHT...SW winds 5 to 10 kt, becoming W after midnight. Seas 2 to 3 ft. .TUE...W winds 5 to 10 kt, becoming S in the afternoon. Seas 2 to 3 ft. .TUE NIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt in the evening. Seas 2 to 3 ft. A chance of showers. .WED...S winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 4 ft. A chance of showers. .WED NIGHT...SW winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 4 ft. Showers likely. .THU...SW winds 5 to 10 kt. Seas 2 to 4 ft. .THU NIGHT...W winds 5 to 10 kt. Seas 3 to 5 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ251-010300- Massachusetts Bay and Ipswich Bay- 1016 AM EDT Sun May 31 2020 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM EDT THIS AFTERNOON... .THIS AFTERNOON...NW winds 15 to 20 kt, diminishing to 10 to 15 kt. Gusts up to 25 kt. Seas 2 to 3 ft. .TONIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. .MON...NW winds 5 to 10 kt, becoming S in the afternoon. Seas 2 to 3 ft. .MON NIGHT...SW winds around 5 kt, becoming W after midnight. Seas 2 to 3 ft. .TUE...W winds around 5 kt, becoming S in the afternoon. Seas 2 to 3 ft. .TUE NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. A chance of showers. .WED...S winds 5 to 10 kt. Seas around 2 ft. A chance of showers. .WED NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. Showers likely. .THU AND THU NIGHT...W winds 5 to 10 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. $$ ANZ231-010300- Cape Cod Bay- 1016 AM EDT Sun May 31 2020 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM EDT THIS AFTERNOON... .THIS AFTERNOON...NW winds 15 to 20 kt, becoming N 10 to 15 kt. Gusts up to 25 kt. Seas 2 to 3 ft. .TONIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. .MON...NW winds 5 to 10 kt. Seas 2 to 3 ft. .MON NIGHT...SW winds around 5 kt, becoming W around 5 kt after midnight. Seas around 2 ft. .TUE...W winds around 5 kt, becoming SW in the afternoon. Seas 1 foot or less. .TUE NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. A chance of showers. .WED...SW winds 5 to 10 kt with gusts up to 20 kt. Seas around 2 ft. A chance of showers. .WED NIGHT...SW winds 5 to 10 kt with gusts up to 20 kt. Seas around 2 ft. Showers likely. .THU AND THU NIGHT...W winds 5 to 10 kt. Seas around 2 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ254-010300- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm- 1016 AM EDT Sun May 31 2020 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 5 PM EDT THIS AFTERNOON... .THIS AFTERNOON...N winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to 5 ft. .TONIGHT...N winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 5 ft. .MON...NW winds 5 to 10 kt, becoming W in the afternoon. Seas 3 to 5 ft. .MON NIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft. .TUE...SW winds 5 to 10 kt. Seas 2 to 3 ft. .TUE NIGHT...SW winds 5 to 10 kt. Seas 2 to 4 ft. A chance of showers. .WED...SW winds 5 to 10 kt with gusts up to 20 kt. Seas 3 to 5 ft. A chance of showers. .WED NIGHT...SW winds 5 to 10 kt with gusts up to 20 kt. Seas 4 to 6 ft. Showers likely. .THU AND THU NIGHT...SW winds 5 to 10 kt. Gusts up 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. $$ ANZ255-010300- Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- 1016 AM EDT Sun May 31 2020 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 5 PM EDT THIS AFTERNOON... .THIS AFTERNOON...NW winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 5 ft. .TONIGHT...W winds 5 to 10 kt, becoming N 10 to 15 kt with gusts up to 20 kt after midnight. Seas 3 to 5 ft. .MON...NW winds 5 to 10 kt, becoming W in the afternoon. Seas 3 to 5 ft. .MON NIGHT...W winds 5 to 10 kt. Seas 2 to 4 ft. .TUE...W winds 5 to 10 kt, becoming SW 10 to 15 kt in the afternoon. Seas 2 to 3 ft. .TUE NIGHT...SW winds 10 to 15 kt. Seas 2 to 4 ft. A chance of showers. .WED...SW winds around 10 kt with gusts up to 20 kt. Seas 3 to 5 ft. A chance of showers. .WED NIGHT...SW winds 5 to 10 kt with gusts up to 20 kt. Seas 4 to 7 ft. Showers likely. .THU...SW winds 5 to 10 kt with gusts up to 20 kt. Seas 4 to 7 ft. A chance of showers. .THU NIGHT...W winds 5 to 10 kt. Seas 3 to 5 ft. A chance of showers. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ256-010300- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 1016 AM EDT Sun May 31 2020 .THIS AFTERNOON...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft. .TONIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft. .MON...NW winds 5 to 10 kt, becoming SW 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 2 to 4 ft. .MON NIGHT...W winds 10 to 15 kt, diminishing to 5 to 10 kt after midnight. Seas 2 to 4 ft. .TUE...W winds 5 to 10 kt, becoming SW 10 to 15 kt in the afternoon. Seas 2 to 3 ft. .TUE NIGHT...SW winds 10 to 15 kt. Seas around 3 ft. A chance of showers. .WED...SW winds around 10 kt with gusts up to 20 kt. Seas 3 to 5 ft. A chance of showers. .WED NIGHT...SW winds around 10 kt with gusts up to 20 kt. Seas 4 to 6 ft. A chance of showers. .THU...SW winds 10 to 15 kt. Seas 4 to 6 ft. .THU NIGHT...W winds 10 to 15 kt. Seas 3 to 5 ft. A chance of showers. 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. $$ ANZ232-010300- Nantucket Sound- 1016 AM EDT Sun May 31 2020 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM EDT THIS AFTERNOON... .THIS AFTERNOON...N winds 15 to 20 kt, diminishing to 10 to 15 kt. Gusts up to 25 kt. Seas 2 to 3 ft. .TONIGHT...N winds 5 to 10 kt, increasing to 10 to 15 kt after midnight. Gusts up to 20 kt. Seas 2 to 3 ft. .MON...NW winds 5 to 10 kt, becoming W in the afternoon. Seas 2 to 3 ft. .MON NIGHT...W winds 5 to 10 kt. Seas around 2 ft. .TUE...W winds 5 to 10 kt, becoming SW 10 to 15 kt in the afternoon. Seas 1 foot or less. .TUE NIGHT...SW winds 10 to 15 kt. Seas around 2 ft. A chance of showers. .WED...SW winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 3 ft. A chance of showers. .WED NIGHT...SW winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 4 ft. Showers likely. .THU AND THU NIGHT...W winds 5 to 10 kt. Seas 2 to 4 ft. A chance of showers. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ233-010300- Vineyard Sound- 1016 AM EDT Sun May 31 2020 .THIS AFTERNOON...NW winds 10 to 15 kt, diminishing to 5 to 10 kt. Gusts up to 20 kt. Seas 2 to 3 ft. .TONIGHT...N winds 5 to 10 kt. Gusts up to 20 kt after midnight. Seas around 2 ft. .MON...NW winds 5 to 10 kt, becoming SW in the afternoon. Seas around 2 ft. .MON NIGHT...W winds 5 to 10 kt. Seas around 2 ft. .TUE...W winds 5 to 10 kt, becoming SW 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas around 2 ft. .TUE NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt after midnight. Seas 2 to 3 ft. A chance of showers. .WED...SW winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 4 ft. A chance of showers. .WED NIGHT...SW winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 4 ft. Showers likely. .THU...SW winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 4 ft. .THU NIGHT...W winds 5 to 10 kt. Seas 2 to 4 ft. A chance of showers. 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. $$ ANZ234-010300- Buzzards Bay- 1016 AM EDT Sun May 31 2020 .THIS AFTERNOON...NW winds 10 to 15 kt, diminishing to 5 to 10 kt. Gusts up to 20 kt. Seas 2 to 3 ft. .TONIGHT...N winds 5 to 10 kt. Seas around 2 ft. .MON...NW winds around 5 kt, becoming SW in the afternoon. Seas around 2 ft. .MON NIGHT...SW winds 5 to 10 kt, becoming NW after midnight. Seas around 2 ft. .TUE...W winds 5 to 10 kt, becoming SW 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas around 2 ft. .TUE NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt after midnight. Seas around 2 ft. A chance of showers. .WED...SW winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 3 ft. A chance of showers. .WED NIGHT...SW winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 4 ft. Showers likely. .THU...SW winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 3 ft. .THU NIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ235-010300- Rhode Island Sound- 1016 AM EDT Sun May 31 2020 .THIS AFTERNOON...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. .TONIGHT...NW winds 5 to 10 kt, becoming N 10 to 15 kt after midnight. Gusts up to 20 kt. Seas 2 to 4 ft. .MON...NW winds 5 to 10 kt, becoming SW with gusts up to 20 kt in the afternoon. Seas 2 to 3 ft. .MON NIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft. .TUE...W winds 5 to 10 kt, becoming SW 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 2 to 3 ft. .TUE NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt after midnight. Seas 2 to 3 ft. A chance of showers. .WED...SW winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 4 ft. A chance of showers. .WED NIGHT...SW winds 5 to 10 kt with gusts up to 20 kt. Seas 3 to 5 ft. Showers likely. .THU...SW winds 5 to 10 kt with gusts up to 20 kt. Seas 3 to 5 ft. .THU NIGHT...W winds 5 to 10 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. $$ ANZ237-010300- Block Island Sound- 1016 AM EDT Sun May 31 2020 .THIS AFTERNOON...NW winds 10 to 15 kt, diminishing to 5 to 10 kt. Gusts up to 20 kt. Seas 2 to 4 ft. .TONIGHT...NW winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 4 ft. .MON...W winds 5 to 10 kt. Gusts up to 20 kt in the afternoon. Seas 2 to 3 ft. .MON NIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers. .TUE...W winds 5 to 10 kt, becoming SW 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 2 to 3 ft. .TUE NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt after midnight. Seas 2 to 3 ft. A chance of showers. .WED...SW winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 4 ft. A chance of showers. .WED NIGHT...SW winds 5 to 10 kt with gusts up to 20 kt. Seas 3 to 5 ft. A chance of showers. .THU...W winds 5 to 10 kt. Seas 3 to 5 ft. .THU NIGHT...W winds 5 to 10 kt. Seas 2 to 4 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ230-010300- Boston Harbor- 1016 AM EDT Sun May 31 2020 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM EDT THIS AFTERNOON... .THIS AFTERNOON...NW winds 10 to 15 kt with gusts up to 25 kt. Waves around 2 ft. .TONIGHT...NW winds 10 to 15 kt, diminishing to 5 to 10 kt after midnight. Gusts up to 20 kt. Waves around 2 ft. .MON...NW winds around 5 kt. Waves around 2 ft. .MON NIGHT...W winds around 5 kt. Waves 1 foot or less. .TUE...W winds around 5 kt, becoming S in the afternoon. Waves 1 foot or less. .TUE NIGHT...SW winds 5 to 10 kt. Waves 1 foot or less. A chance of showers. .WED...SW winds around 5 kt. Waves 1 foot or less. A chance of showers. .WED NIGHT...SW winds 5 to 10 kt. Waves 1 foot or less. Showers likely. .THU AND THU NIGHT...W winds 5 to 10 kt. Waves 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. $$ ANZ236-010300- Narragansett Bay- 1016 AM EDT Sun May 31 2020 .THIS AFTERNOON...NW winds 10 to 15 kt with gusts up to 20 kt. Waves 2 to 3 ft. .TONIGHT...NW winds 5 to 10 kt. Gusts up to 20 kt in the evening. Waves around 2 ft. .MON...W winds 5 to 10 kt. Waves around 2 ft. .MON NIGHT...W winds 5 to 10 kt. Waves around 2 ft. .TUE...W winds 5 to 10 kt, becoming SW 10 to 15 kt in the afternoon. Waves around 2 ft. .TUE NIGHT...SW winds 10 to 15 kt, diminishing to 5 to 10 kt after midnight. Waves around 2 ft. A chance of showers. .WED...SW winds 5 to 10 kt with gusts up to 20 kt. Waves around 2 ft. A chance of showers. .WED NIGHT...SW winds 5 to 10 kt with gusts up to 20 kt. Waves 2 to 3 ft. Showers likely. .THU AND THU NIGHT...W winds 5 to 10 kt. Waves 2 to 3 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ For the latest updates...please visit our webpage at www.weather.gov/boston You can follow us on Facebook at www.facebook.com/us.nationalweatherservice.boston.gov You can follow us on Twitter at @NWSBoston

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