Coastal Waters Forecast
Issued by NWS Boston, MA

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000 FZUS51 KBOX 170235 CWFBOX Coastal Waters Forecast National Weather Service Taunton MA 935 PM EST Sat Dec 16 2017 Coastal waters from the Merrimack River MA to Watch Hill RI out to 25 NM ANZ200-171515- 935 PM EST Sat Dec 16 2017 .Synopsis for Massachusetts and Rhode Island coastal waters... High pres builds over New Eng Sun, then a warm front will lift across the waters Mon. Another cold front will sweep across New Eng and the coastal waters Tue night followed by gusty winds Wed. 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. $$ ANZ250-171515- Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- 935 PM EST Sat Dec 16 2017 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 3 AM EST SUNDAY... .OVERNIGHT...NW winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to 5 ft. A slight chance of snow showers. .SUN...NW winds 5 to 10 kt. Gusts up to 20 kt in the morning. Seas 2 to 3 ft. .SUN NIGHT...W winds 5 to 10 kt. Seas around 2 ft. .MON...SW winds 5 to 10 kt. Gusts up to 20 kt in the afternoon. Seas around 2 ft. A chance of rain and snow showers. .MON NIGHT...W winds 5 to 10 kt. Seas around 2 ft. .TUE...SW winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Gusts up to 30 kt. Seas 3 to 5 ft. .TUE NIGHT...W winds 15 to 20 kt with gusts up to 35 kt. Seas 4 to 6 ft. .WED...W winds 20 to 25 kt with gusts up to 35 kt. Seas 4 to 6 ft. .WED NIGHT...NW winds 20 to 25 kt with gusts up to 35 kt. Seas 4 to 7 ft. .THU...NW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. .THU NIGHT...W winds 5 to 10 kt with gusts up to 20 kt. Seas 1 foot or less. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ251-171515- Massachusetts Bay and Ipswich Bay- 935 PM EST Sat Dec 16 2017 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM EST SUNDAY... .OVERNIGHT...NW winds 15 to 20 kt, diminishing to 10 to 15 kt. Gusts up to 25 kt. Seas 2 to 4 ft. .SUN...NW winds 5 to 10 kt. Gusts up to 20 kt in the morning. Seas 2 to 3 ft. .SUN NIGHT...NW winds 5 to 10 kt, becoming W after midnight. Seas around 2 ft. A chance of snow showers. .MON...SW winds around 5 kt, increasing to 5 to 10 kt in the afternoon. Seas around 2 ft. A chance of snow and rain showers. Vsby 1 to 3 NM. .MON NIGHT...W winds 5 to 10 kt. Seas around 2 ft. .TUE...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. .TUE NIGHT...W winds 10 to 15 kt with gusts up to 30 kt. Seas 2 to 4 ft. .WED...W winds 15 to 20 kt with gusts up to 35 kt. Seas around 3 ft. .WED NIGHT...NW winds 10 to 15 kt with gusts up to 30 kt. Seas 2 to 4 ft. .THU...NW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. .THU NIGHT...W winds 5 to 10 kt with gusts up to 20 kt. Seas 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. $$ ANZ231-171515- Cape Cod Bay- 935 PM EST Sat Dec 16 2017 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM EST SUNDAY... .OVERNIGHT...NW winds 15 to 20 kt, diminishing to 10 to 15 kt. Gusts up to 25 kt. Seas 2 to 4 ft. .SUN...NW winds 5 to 10 kt. Gusts up to 20 kt in the morning. Seas 2 to 3 ft. .SUN NIGHT...W winds around 5 kt. Seas around 2 ft. .MON...SW winds 5 to 10 kt. Seas 1 to 2 ft. A chance of rain and snow showers. .MON NIGHT...W winds 5 to 10 kt. Seas 1 foot or less. .TUE...SW winds 10 to 15 kt with gusts up to 30 kt. Seas 2 to 3 ft. .TUE NIGHT...W winds 10 to 15 kt, increasing to 15 to 20 kt after midnight. Gusts up to 30 kt. Seas 2 to 4 ft. .WED...W winds 15 to 20 kt with gusts up to 35 kt. Seas 3 to 5 ft. .WED NIGHT...NW winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to 4 ft. .THU...NW winds 10 to 15 kt with gusts up to 25 kt. Seas around 2 ft. .THU NIGHT...W winds 5 to 10 kt with gusts up to 20 kt. Seas 1 foot or less. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ254-171515- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm- 935 PM EST Sat Dec 16 2017 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 AM EST SUNDAY... .OVERNIGHT...NW winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to 7 ft. A slight chance of snow showers late this evening. .SUN...NW winds 5 to 10 kt. Gusts up to 20 kt in the morning. Seas 2 to 4 ft. .SUN NIGHT...NW winds 5 to 10 kt, becoming W after midnight. Seas 2 to 3 ft. .MON...SW winds 5 to 10 kt. Gusts up to 20 kt in the afternoon. Seas around 2 ft. A chance of rain and snow showers. .MON NIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft. .TUE...SW winds 10 to 15 kt with gusts up to 30 kt. Seas 2 to 4 ft. .TUE NIGHT...W winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to 5 ft. .WED...NW winds 15 to 20 kt with gusts up to 35 kt. Seas 5 to 8 ft. .WED NIGHT...NW winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to 7 ft. .THU...NW winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 5 ft. .THU NIGHT...W winds 5 to 10 kt with gusts up to 20 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. $$ ANZ255-171515- Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- 935 PM EST Sat Dec 16 2017 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 AM EST SUNDAY... .OVERNIGHT...NW winds 15 to 20 kt with gusts up to 30 kt. Seas 5 to 8 ft. .SUN...NW winds 5 to 10 kt. Gusts up to 20 kt in the morning. Seas 2 to 4 ft. .SUN NIGHT...NW winds around 5 kt, becoming W around 5 kt after midnight. Seas around 2 ft. .MON...SW winds 5 to 10 kt. Gusts up to 20 kt in the afternoon. Seas 2 to 3 ft. A chance of showers. .MON NIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft. .TUE...W winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Gusts up to 30 kt. Seas 3 to 5 ft. .TUE NIGHT...W winds 15 to 20 kt with gusts up to 35 kt. Seas 4 to 7 ft. .WED...NW winds 15 to 20 kt with gusts up to 35 kt. Seas 5 to 8 ft. .WED NIGHT...NW winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to 6 ft. .THU...NW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. .THU NIGHT...NW winds 5 to 10 kt with gusts up to 20 kt. Seas around 2 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ256-171515- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 935 PM EST Sat Dec 16 2017 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 AM EST SUNDAY... .OVERNIGHT...NW winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to 7 ft. .SUN...NW winds 5 to 10 kt. Gusts up to 20 kt in the morning. Seas 2 to 4 ft. .SUN NIGHT...NW winds around 5 kt, becoming SW after midnight. Seas around 2 ft. A chance of showers. .MON...SW winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers. .MON NIGHT...W winds around 10 kt. Seas 2 to 3 ft. .TUE...W winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Gusts up to 30 kt. Seas 3 to 5 ft. .TUE NIGHT...W winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to 7 ft. .WED...NW winds 15 to 20 kt with gusts up to 35 kt. Seas 5 to 8 ft. .WED NIGHT...NW winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to 6 ft. .THU...NW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. .THU NIGHT...NE winds 5 to 10 kt with gusts up to 20 kt. Seas 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. $$ ANZ232-171515- Nantucket Sound- 935 PM EST Sat Dec 16 2017 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM EST SUNDAY... .OVERNIGHT...NW winds 15 to 20 kt, diminishing to 10 to 15 kt. Gusts up to 30 kt. Seas 2 to 4 ft. .SUN...NW winds 5 to 10 kt. Gusts up to 20 kt in the morning. Seas 2 to 3 ft. .SUN NIGHT...W winds around 5 kt. Seas 1 foot or less. .MON...SW winds 5 to 10 kt. Seas 1 to 2 ft. A chance of rain and snow showers. .MON NIGHT...W winds 5 to 10 kt. Seas around 2 ft. .TUE...SW winds 10 to 15 kt with gusts up to 30 kt. Seas 2 to 4 ft. .TUE NIGHT...W winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to 4 ft. .WED...W winds 15 to 20 kt with gusts up to 35 kt. Seas 2 to 4 ft. .WED NIGHT...NW winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to 3 ft. .THU...NW winds 10 to 15 kt with gusts up to 25 kt. Seas around 2 ft. .THU NIGHT...NW winds 5 to 10 kt with gusts up to 20 kt. Seas 1 foot or less. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ233-171515- Vineyard Sound- 935 PM EST Sat Dec 16 2017 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM EST SUNDAY... .OVERNIGHT...NW winds 10 to 15 kt. Gusts up to 30 kt, decreasing to 20 kt. Seas 2 to 4 ft. .SUN...NW winds 5 to 10 kt. Gusts up to 20 kt in the morning. Seas 2 to 3 ft. .SUN NIGHT...NW winds around 5 kt, becoming SW after midnight. Seas 1 foot or less. .MON...SW winds 5 to 10 kt. Seas 1 foot or less. A chance of rain and snow showers. .MON NIGHT...W winds 5 to 10 kt. Seas around 2 ft. .TUE...SW winds 10 to 15 kt, becoming W 15 to 20 kt in the afternoon. Gusts up to 30 kt. Seas 2 to 4 ft. .TUE NIGHT...W winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to 5 ft. .WED...W winds 15 to 20 kt with gusts up to 35 kt. Seas 2 to 4 ft. .WED NIGHT...NW winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to 3 ft. .THU...NW winds 10 to 15 kt with gusts up to 25 kt. Seas 1 to 2 ft. .THU NIGHT...N winds 5 to 10 kt with gusts up to 20 kt. Seas 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. $$ ANZ234-171515- Buzzards Bay- 935 PM EST Sat Dec 16 2017 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM EST SUNDAY... .OVERNIGHT...NW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. .SUN...NW winds 5 to 10 kt. Gusts up to 20 kt in the morning. Seas around 2 ft. .SUN NIGHT...NW winds around 5 kt, becoming W after midnight. Seas 1 foot or less. .MON...S winds around 5 kt, becoming SW in the afternoon. Seas 1 foot or less. A chance of rain and snow showers. .MON NIGHT...W winds 5 to 10 kt. Seas 1 foot or less. .TUE...SW winds 10 to 15 kt with gusts up to 30 kt. Seas 2 to 4 ft. .TUE NIGHT...W winds 10 to 15 kt with gusts up to 30 kt. Seas 2 to 4 ft. .WED...W winds 10 to 15 kt with gusts up to 30 kt. Seas 2 to 4 ft. .WED NIGHT...NW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. .THU...NW winds 5 to 10 kt with gusts up to 20 kt. Seas 1 to 2 ft. .THU NIGHT...NW winds 5 to 10 kt with gusts up to 20 kt. Seas 1 foot or less. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ235-171515- Rhode Island Sound- 935 PM EST Sat Dec 16 2017 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 3 AM EST SUNDAY... .OVERNIGHT...NW winds 15 to 20 kt, diminishing to 10 to 15 kt. Gusts up to 30 kt. Seas 3 to 5 ft. .SUN...NW winds 5 to 10 kt. Gusts up to 20 kt in the morning. Seas 2 to 3 ft. .SUN NIGHT...NW winds around 5 kt, becoming SW after midnight. Seas around 2 ft. .MON...S winds 5 to 10 kt, becoming SW in the afternoon. Seas around 2 ft. A chance of showers. .MON NIGHT...W winds 5 to 10 kt. Seas around 2 ft. .TUE...W winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Gusts up to 30 kt. Seas 3 to 5 ft. .TUE NIGHT...W winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to 6 ft. .WED...W winds 15 to 20 kt with gusts up to 35 kt. Seas 4 to 6 ft. .WED NIGHT...NW winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to 4 ft. .THU...NW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. .THU NIGHT...NE winds 5 to 10 kt with gusts up to 20 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. $$ ANZ237-171515- Block Island Sound- 935 PM EST Sat Dec 16 2017 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 3 AM EST SUNDAY... .OVERNIGHT...NW winds 10 to 15 kt. Gusts up to 30 kt, decreasing to 20 kt. Seas 2 to 4 ft. .SUN...NW winds 5 to 10 kt. Gusts up to 20 kt in the morning. Seas 2 to 3 ft. .SUN NIGHT...NW winds around 5 kt, becoming SW after midnight. Seas 1 foot or less. A chance of snow showers. .MON...S winds 5 to 10 kt, becoming W in the afternoon. Seas around 2 ft. A chance of showers. .MON NIGHT...W winds 5 to 10 kt. Seas around 2 ft. .TUE...W winds 10 to 15 kt with gusts up to 30 kt. Seas 3 to 5 ft. .TUE NIGHT...W winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to 5 ft. .WED...NW winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to 5 ft. .WED NIGHT...NW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. .THU...NW winds 5 to 10 kt with gusts up to 25 kt. Seas around 2 ft. .THU NIGHT...NE winds 5 to 10 kt with gusts up to 20 kt. Seas 1 foot or less. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ230-171515- Boston Harbor- 935 PM EST Sat Dec 16 2017 .OVERNIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Waves around 2 ft. .SUN...NW winds 5 to 10 kt. Gusts up to 20 kt in the morning. Waves 1 foot or less. .SUN NIGHT...SW winds around 5 kt. Waves 1 foot or less. A chance of snow showers. .MON...SW winds around 5 kt. Waves 1 foot or less. A chance of snow showers. Vsby 1 to 3 NM. .MON NIGHT...W winds around 5 kt. Waves 1 foot or less. .TUE...SW winds 5 to 10 kt with gusts up to 25 kt. Waves around 2 ft. .TUE NIGHT...W winds around 10 kt with gusts up to 25 kt. Waves around 2 ft. .WED...W winds 10 to 15 kt with gusts up to 30 kt. Waves around 2 ft. .WED NIGHT...NW winds 5 to 10 kt with gusts up to 25 kt. Waves around 2 ft. .THU...NW winds 5 to 10 kt with gusts up to 20 kt. Waves 1 foot or less. .THU NIGHT...NW winds around 5 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. $$ ANZ236-171515- Narragansett Bay- 935 PM EST Sat Dec 16 2017 .OVERNIGHT...NW winds 10 to 15 kt, diminishing to 5 to 10 kt. Gusts up to 25 kt. Waves 2 to 3 ft. .SUN...NW winds 5 to 10 kt. Waves 1 foot or less. .SUN NIGHT...NW winds around 5 kt, becoming SW after midnight. Waves 1 foot or less. .MON...S winds around 5 kt, becoming SW around 5 kt in the afternoon. Waves 1 foot or less. A chance of snow showers. .MON NIGHT...W winds around 5 kt. Waves 1 foot or less. .TUE...SW winds 5 to 10 kt, increasing to 10 to 15 kt in the afternoon. Gusts up to 30 kt. Waves 2 to 3 ft. .TUE NIGHT...W winds 10 to 15 kt with gusts up to 30 kt. Waves 2 to 4 ft. .WED...W winds 10 to 15 kt with gusts up to 30 kt. Waves 2 to 3 ft. .WED NIGHT...NW winds 10 to 15 kt with gusts up to 25 kt. Waves around 2 ft. .THU...NW winds 5 to 10 kt with gusts up to 20 kt. Waves around 2 ft. .THU NIGHT...NE winds 5 to 10 kt. Waves 1 foot or less. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ 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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