Coastal Waters Forecast
Issued by NWS Boston, MA

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000 FZUS51 KBOX 180306 CWFBOX Coastal Waters Forecast National Weather Service Boston/Norton MA 1006 PM EST Sat Nov 17 2018 Coastal waters from the Merrimack River MA to Watch Hill RI out to 25 NM ANZ200-181615- 1006 PM EST Sat Nov 17 2018 .Synopsis for Massachusetts and Rhode Island coastal waters... High pressure sweeps the waters overnight. Thereafter, for the early week period, a series of weak low pressure centers with some wet weather will sweep across New England. Midweek high pressure ever briefly before another low center crosses the waters on Thursday. 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. $$ ANZ250-181615- Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- 1006 PM EST Sat Nov 17 2018 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM EST SUNDAY... .TONIGHT...NW winds 15 to 20 kt with gusts up to 25 kt. Seas around 4 ft. .SUN...NW winds 10 to 15 kt with gusts up to 20 kt, becoming W 5 to 10 kt in the afternoon. Seas 2 to 3 ft. .SUN NIGHT...SW winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt after midnight. Seas 2 to 3 ft. A chance of rain in the evening, then rain likely after midnight. .MON...SW winds 5 to 10 kt, becoming W in the afternoon. Seas 2 to 3 ft. Rain likely, mainly in the morning. .MON NIGHT...N winds 5 to 10 kt. Seas 2 to 3 ft. A chance of rain. .TUE...NE winds 5 to 10 kt, becoming N 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 3 to 4 ft. Rain likely. .TUE NIGHT...NW winds 10 to 15 kt with gusts up to 25 kt. Seas 4 to 5 ft. A chance of rain in the evening. .WED...W winds 10 to 15 kt with gusts up to 25 kt. Seas 4 to 5 ft. .WED NIGHT...W winds 15 to 20 kt, becoming NW 20 to 25 kt after midnight. Gusts up to 30 kt. Seas 4 to 5 ft. .THU...NW winds 20 to 25 kt with gusts up to 30 kt. Seas around 6 ft. .THU NIGHT...NW winds 20 to 25 kt with gusts up to 30 kt. Seas 6 to 7 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ251-181615- Massachusetts Bay and Ipswich Bay- 1006 PM EST Sat Nov 17 2018 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM EST SUNDAY... .TONIGHT...W winds 15 to 20 kt, becoming NW 10 to 15 kt after midnight. Gusts up to 25 kt. Seas 2 to 3 ft. .SUN...NW winds 10 to 15 kt with gusts up to 20 kt, becoming W around 5 kt in the afternoon. Seas around 2 ft in the morning, then 1 foot or less. .SUN NIGHT...SW winds 5 to 10 kt. Seas 1 foot or less, then around 2 ft after midnight. A chance of rain and snow in the evening, then rain likely after midnight. .MON...SW winds 5 to 10 kt, becoming NW in the afternoon. Seas around 2 ft in the morning, then 1 foot or less. Rain likely, mainly in the morning. .MON NIGHT...N winds 5 to 10 kt. Seas 1 foot or less, then around 2 ft after midnight. A chance of rain. .TUE...N winds 5 to 10 kt. Seas 2 to 3 ft. Rain likely, mainly in the morning. .TUE NIGHT...NW winds 10 to 15 kt with gusts up to 25 kt. Seas around 3 ft. .WED...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .WED NIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Seas around 3 ft. .THU...NW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 4 ft. .THU NIGHT...NW winds 15 to 20 kt with gusts up to 25 kt. Seas around 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. $$ ANZ231-181615- Cape Cod Bay- 1006 PM EST Sat Nov 17 2018 .TONIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. .SUN...NW winds 5 to 10 kt with gusts up to 20 kt, becoming NE in the afternoon. Seas around 2 ft in the morning, then 1 foot or less. .SUN NIGHT...S winds 5 to 10 kt. Seas 1 foot or less. A chance of rain in the evening, then rain likely after midnight. .MON...SW winds 5 to 10 kt, becoming W in the afternoon. Seas 1 foot or less. Rain likely, mainly in the morning. .MON NIGHT...N winds around 5 kt. Seas 1 foot or less. A chance of rain. .TUE...NE winds 5 to 10 kt. Seas 1 foot or less, then around 2 ft in the afternoon. Rain likely. .TUE NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. A chance of rain in the evening. .WED...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .WED NIGHT...W winds 15 to 20 kt with gusts up to 30 kt. Seas around 3 ft. .THU...NW winds 15 to 20 kt, increasing to 20 to 25 kt in the afternoon. Gusts up to 30 kt. Seas around 4 ft. .THU NIGHT...NW winds 15 to 20 kt with gusts up to 30 kt. Seas around 4 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ254-181615- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm- 1006 PM EST Sat Nov 17 2018 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM EST SUNDAY... .TONIGHT...NW winds 10 to 15 kt with gusts up to 25 kt. Seas around 4 ft. .SUN...NW winds 10 to 15 kt with gusts up to 20 kt, becoming W 5 to 10 kt in the afternoon. Seas 3 to 4 ft. .SUN NIGHT...S winds 5 to 10 kt. Seas around 2 ft. A chance of rain. .MON...SW winds 5 to 10 kt. Seas around 2 ft. A chance of rain. .MON NIGHT...N winds 5 to 10 kt. Seas around 3 ft. A chance of rain after midnight. .TUE...E winds 5 to 10 kt, becoming S 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 3 to 4 ft. A chance of rain in the morning, then rain likely in the afternoon. .TUE NIGHT...NW winds 10 to 15 kt with gusts up to 25 kt. Seas 4 to 5 ft. A chance of rain in the evening. .WED...W winds 10 to 15 kt with gusts up to 25 kt. Seas around 5 ft. .WED NIGHT...W winds 15 to 20 kt, becoming NW 20 to 25 kt after midnight. Gusts up to 30 kt. Seas 5 to 6 ft. .THU...NW winds 20 to 25 kt with gusts up to 30 kt. Seas 6 to 7 ft. A chance of snow showers in the afternoon. .THU NIGHT...NW winds 20 to 25 kt with gusts up to 30 kt. Seas around 7 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. $$ ANZ255-181615- Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- 1006 PM EST Sat Nov 17 2018 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM EST SUNDAY... .TONIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas around 4 ft. .SUN...N winds 5 to 10 kt, becoming E in the afternoon. Seas around 3 ft. .SUN NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. A chance of rain after midnight. .MON...SW winds 5 to 10 kt. Seas 2 to 3 ft. A chance of rain in the morning. .MON NIGHT...NW winds 5 to 10 kt. Seas around 3 ft. A chance of rain after midnight. .TUE...SE winds 5 to 10 kt, becoming SW 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 3 to 4 ft. A chance of rain in the morning, then rain likely in the afternoon. .TUE NIGHT...NW winds 10 to 15 kt with gusts up to 25 kt. Seas around 5 ft. A chance of rain in the evening. .WED...W winds 10 to 15 kt with gusts up to 25 kt. Seas around 5 ft. .WED NIGHT...NW winds 15 to 20 kt with gusts up to 25 kt. Seas 5 to 6 ft. .THU...NW winds 15 to 20 kt, increasing to 20 to 25 kt in the afternoon. Gusts up to 30 kt. Seas around 6 ft. .THU NIGHT...NW winds 20 to 25 kt, diminishing to 15 to 20 kt after midnight. Gusts up to 30 kt. Seas around 6 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ256-181615- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 1006 PM EST Sat Nov 17 2018 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM EST SUNDAY... .TONIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 5 ft. .SUN...N winds 5 to 10 kt, becoming E in the afternoon. Seas 2 to 3 ft. .SUN NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. A chance of rain after midnight. .MON...SW winds 5 to 10 kt. Seas around 3 ft. A chance of rain in the morning. .MON NIGHT...NW winds 5 to 10 kt. Seas around 3 ft. A chance of rain after midnight. .TUE...E winds 5 to 10 kt, becoming NW 15 to 20 kt in the afternoon. Seas 3 to 4 ft. A chance of rain. .TUE NIGHT...NW winds 10 to 15 kt with gusts up to 25 kt. Seas around 4 ft. .WED...NW winds 10 to 15 kt, becoming W 15 to 20 kt in the afternoon. Gusts up to 25 kt. Seas around 4 ft. .WED NIGHT...NW winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 5 ft. .THU...NW winds 15 to 20 kt, increasing to 20 to 25 kt in the afternoon. Gusts up to 30 kt. Seas around 5 ft. .THU NIGHT...NW winds 20 to 25 kt, becoming N 15 to 20 kt after midnight. Gusts up to 30 kt. Seas 4 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. $$ ANZ232-181615- Nantucket Sound- 1006 PM EST Sat Nov 17 2018 .TONIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. .SUN...N winds 5 to 10 kt, becoming E in the afternoon. Seas around 2 ft in the morning, then 1 foot or less. .SUN NIGHT...S winds 5 to 10 kt. Seas 1 foot or less, then around 2 ft after midnight. A chance of rain. .MON...SW winds 5 to 10 kt. Seas around 2 ft. A chance of rain. .MON NIGHT...N winds around 5 kt. Seas around 2 ft in the evening, then 1 foot or less. A chance of rain after midnight. .TUE...E winds 5 to 10 kt, becoming NE 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas around 2 ft. Rain likely. .TUE NIGHT...NW winds 10 to 15 kt with gusts up to 25 kt. Seas around 3 ft. A chance of rain in the evening. .WED...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .WED NIGHT...NW winds 15 to 20 kt with gusts up to 25 kt. Seas around 3 ft. .THU...NW winds 15 to 20 kt, increasing to 20 to 25 kt in the afternoon. Gusts up to 30 kt. Seas around 4 ft. .THU NIGHT...NW winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to 4 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ233-181615- Vineyard Sound- 1006 PM EST Sat Nov 17 2018 .TONIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. .SUN...N winds 5 to 10 kt, becoming E in the afternoon. Seas around 2 ft in the morning, then 1 foot or less. .SUN NIGHT...S winds 5 to 10 kt. Seas 1 foot or less, then around 2 ft after midnight. A chance of rain. .MON...SW winds 5 to 10 kt. Seas around 2 ft. A chance of rain. .MON NIGHT...N winds 5 to 10 kt. Seas around 2 ft in the evening, then 1 foot or less. A chance of rain after midnight. .TUE...E winds 5 to 10 kt, becoming N 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas around 2 ft. Rain likely. .TUE NIGHT...NW winds 10 to 15 kt with gusts up to 25 kt. Seas around 2 ft. .WED...W winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. .WED NIGHT...NW winds 15 to 20 kt with gusts up to 25 kt. Seas around 3 ft. .THU...NW winds 15 to 20 kt with gusts up to 30 kt. Seas around 3 ft. .THU NIGHT...NW winds 15 to 20 kt with gusts up to 25 kt. Seas around 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. $$ ANZ234-181615- Buzzards Bay- 1006 PM EST Sat Nov 17 2018 .TONIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. .SUN...N winds 5 to 10 kt, becoming E in the afternoon. Seas 1 foot or less. .SUN NIGHT...S winds 5 to 10 kt. Seas 1 foot or less. A chance of rain. .MON...SW winds 5 to 10 kt. Seas 1 foot or less, then around 2 ft in the afternoon. A chance of rain. .MON NIGHT...N winds around 5 kt. Seas 1 foot or less. A chance of rain after midnight. .TUE...NE winds 5 to 10 kt, becoming N in the afternoon. Seas 1 foot or less, then around 2 ft in the afternoon. Rain likely. .TUE NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. .WED...NW winds 5 to 10 kt, becoming W 10 to 15 kt in the afternoon. Gusts up to 20 kt. Seas around 2 ft. .WED NIGHT...W winds 10 to 15 kt, becoming NW 15 to 20 kt after midnight. Gusts up to 25 kt. Seas around 2 ft. .THU...NW winds 15 to 20 kt with gusts up to 25 kt. Seas around 3 ft. .THU NIGHT...NW winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Gusts up to 25 kt. Seas 2 to 3 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ235-181615- Rhode Island Sound- 1006 PM EST Sat Nov 17 2018 .TONIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas around 3 ft. .SUN...N winds 5 to 10 kt with gusts up to 20 kt, becoming E in the afternoon. Seas around 2 ft. .SUN NIGHT...S winds 5 to 10 kt. Seas around 2 ft. A chance of rain. .MON...W winds 5 to 10 kt. Seas around 2 ft. A chance of rain in the morning. .MON NIGHT...N winds 5 to 10 kt. Seas around 2 ft. A chance of rain after midnight. .TUE...E winds 5 to 10 kt, becoming NW 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 2 to 3 ft. Rain likely, mainly in the morning. .TUE NIGHT...NW winds 10 to 15 kt with gusts up to 25 kt. Seas around 3 ft. .WED...W winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. .WED NIGHT...NW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 4 ft. .THU...NW winds 15 to 20 kt with gusts up to 30 kt. Seas around 3 ft. .THU NIGHT...NW winds 15 to 20 kt with gusts up to 30 kt. Seas around 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. $$ ANZ237-181615- Block Island Sound- 1006 PM EST Sat Nov 17 2018 .TONIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas around 3 ft. .SUN...N winds 5 to 10 kt, becoming SE in the afternoon. Seas around 2 ft. .SUN NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. A chance of rain after midnight. .MON...W winds 5 to 10 kt. Seas around 2 ft. A chance of rain in the morning. .MON NIGHT...N winds 5 to 10 kt. Seas around 2 ft. A chance of rain after midnight. .TUE...E winds 5 to 10 kt, becoming NW 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 2 to 3 ft. Rain likely, mainly in the morning. .TUE NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .WED...W winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. .WED NIGHT...NW winds 15 to 20 kt with gusts up to 25 kt. Seas around 3 ft. .THU...NW winds 15 to 20 kt with gusts up to 25 kt. Seas around 3 ft. .THU NIGHT...NW winds 15 to 20 kt, becoming N 10 to 15 kt after midnight. Gusts up to 25 kt. Seas around 3 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ230-181615- Boston Harbor- 1006 PM EST Sat Nov 17 2018 .TONIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Waves around 2 ft. .SUN...NW winds 5 to 10 kt, becoming SW in the afternoon. Waves 1 foot or less. .SUN NIGHT...SW winds around 5 kt. Waves 1 foot or less. A chance of snow and rain in the evening, then rain and snow likely after midnight. .MON...SW winds around 5 kt, becoming NW in the afternoon. Waves 1 foot or less. Rain likely, mainly in the morning. .MON NIGHT...N winds around 5 kt. Waves 1 foot or less. A chance of rain. .TUE...N winds 5 to 10 kt. Waves 1 foot or less. Rain likely, mainly in the morning. .TUE NIGHT...NW winds around 10 kt. Gusts up to 20 kt after midnight. Waves around 2 ft. .WED...W winds around 10 kt. Waves around 2 ft in the morning, then 1 foot or less. .WED NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Waves around 2 ft. .THU...NW winds 10 to 15 kt with gusts up to 20 kt. Waves around 2 ft. .THU NIGHT...NW winds 10 to 15 kt with gusts up 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. $$ ANZ236-181615- Narragansett Bay- 1006 PM EST Sat Nov 17 2018 .TONIGHT...NW winds 5 to 10 kt with gusts up to 20 kt. Waves around 2 ft. .SUN...N winds 5 to 10 kt, becoming SE in the afternoon. Waves 1 foot or less. .SUN NIGHT...S winds around 5 kt. Waves 1 foot or less, then around 2 ft after midnight. A chance of rain. .MON...W winds around 5 kt. Waves around 2 ft. A chance of rain. .MON NIGHT...N winds around 5 kt. Waves around 2 ft. A chance of rain after midnight. .TUE...NE winds 5 to 10 kt, becoming NW in the afternoon. Waves around 2 ft. Rain likely, mainly in the morning. .TUE NIGHT...NW winds 5 to 10 kt. Waves around 2 ft. .WED...W winds 5 to 10 kt. Waves around 2 ft. .WED NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Waves around 2 ft. .THU...NW winds 10 to 15 kt with gusts up to 20 kt. Waves around 2 ft. .THU NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Waves around 2 ft in the evening, then 1 foot or less. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ 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

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