Coastal Waters Forecast
Issued by NWS Boston, MA

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000 FZUS51 KBOX 100617 CWFBOX Coastal Waters Forecast National Weather Service Taunton MA 117 AM EST Sun Dec 10 2017 Coastal waters from the Merrimack River MA to Watch Hill RI out to 25 NM ANZ200-101900- 117 AM EST Sun Dec 10 2017 .Synopsis for Massachusetts and Rhode Island coastal waters... Low pressure will pass close to the benchmark this evening. The low will head toward Nova Scotia late tonight and in its wake, strong westerly winds nearing 30 kts will occur into Sunday evening. High pressure will follow briefly on Monday. Low pressure will approach from the west Monday night, moving offshore and becoming a potential gale Tuesday into Wednesday. 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. $$ ANZ250-101900- Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- 117 AM EST Sun Dec 10 2017 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY MORNING... .REST OF TONIGHT...NW winds 15 to 20 kt with gusts up to 25 kt. Seas 6 to 8 ft. Patchy fog. Rain with a chance of snow. .SUN...W winds 15 to 20 kt with gusts up to 25 kt. Seas 5 to 8 ft. .SUN NIGHT...W winds 15 to 20 kt, becoming SW 10 to 15 kt after midnight. Gusts up to 25 kt. Seas 4 to 7 ft. .MON...W winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. .MON NIGHT...SW winds 5 to 10 kt, becoming SE after midnight. Seas 2 to 3 ft. Rain likely with a chance of snow. Vsby 1 to 3 NM. .TUE...SE winds 15 to 20 kt, becoming S 10 to 15 kt in the afternoon. Gusts up to 25 kt. Seas 2 to 4 ft. Rain likely. .TUE NIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. .WED...W winds 20 to 25 kt with gusts up to 30 kt. Seas 4 to 6 ft. A chance of snow showers. Vsby 1 to 3 NM. .WED NIGHT...W winds 25 to 30 kt with gusts up to 35 kt. Seas 4 to 6 ft. .THU...W winds 20 to 25 kt with gusts up to 30 kt. Seas 3 to 5 ft. .THU NIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. A chance of snow. Vsby 1 to 3 NM. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ251-101900- Massachusetts Bay and Ipswich Bay- 117 AM EST Sun Dec 10 2017 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY MORNING... .REST OF TONIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 6 ft. Snow and occasional freezing drizzle. Vsby 1 to 3 NM. .SUN...W winds 10 to 15 kt with gusts up to 25 kt. Seas 4 to 6 ft. Occasional freezing drizzle. .SUN NIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 5 ft. .MON...W winds 10 to 15 kt, diminishing to 5 to 10 kt in the afternoon. Gusts up to 20 kt. Seas 2 to 4 ft. .MON NIGHT...SW winds 5 to 10 kt, becoming SE after midnight. Seas around 2 ft. Snow likely. Vsby 1 to 3 NM. .TUE...SE winds 10 to 15 kt, becoming S in the afternoon. Gusts up to 25 kt. Seas 2 to 3 ft. Rain likely. Vsby 1 to 3 NM. .TUE NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .WED...W winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to 3 ft. .WED NIGHT...W winds 20 to 25 kt with gusts up to 30 kt. Seas 2 to 4 ft. .THU...W winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to 3 ft. .THU NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. A chance of snow. 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. $$ ANZ231-101900- Cape Cod Bay- 117 AM EST Sun Dec 10 2017 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY MORNING... .REST OF TONIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Patchy fog. Rain with a chance of snow. Vsby 1 to 3 NM. .SUN...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. .SUN NIGHT...W winds 10 to 15 kt, diminishing to 5 to 10 kt after midnight. Gusts up to 20 kt. Seas 2 to 4 ft. .MON...W winds 10 to 15 kt, diminishing to 5 to 10 kt in the afternoon. Gusts up to 25 kt. Seas 2 to 3 ft. .MON NIGHT...SW winds around 5 kt, becoming SE after midnight. Seas 1 foot or less. A chance of rain and snow. Vsby 1 to 3 NM. .TUE...S winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. Rain likely. .TUE NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .WED...W winds 20 to 25 kt with gusts up to 30 kt. Seas 2 to 4 ft. A chance of snow showers. Vsby 1 to 3 NM. .WED NIGHT...W winds 20 to 25 kt with gusts up to 35 kt. Seas 3 to 5 ft. .THU...W winds 20 to 25 kt with gusts up to 30 kt. Seas 2 to 4 ft. .THU NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. A chance of snow. Vsby 1 to 3 NM. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ254-101900- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm- 117 AM EST Sun Dec 10 2017 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY MORNING... .REST OF TONIGHT...NW winds 10 to 15 kt with gusts up to 25 kt. Seas 7 to 9 ft. Patchy fog. Rain. .SUN...W winds 15 to 20 kt with gusts up to 25 kt. Seas 6 to 9 ft. Patchy fog. A chance of showers. .SUN NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 5 to 8 ft. .MON...W winds 10 to 15 kt with gusts up to 25 kt. Seas 4 to 6 ft. .MON NIGHT...SW winds 5 to 10 kt, becoming S after midnight. Seas 2 to 4 ft. A chance of rain. .TUE...S winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. Rain likely. .TUE NIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 6 ft. .WED...W winds 20 to 25 kt with gusts up to 30 kt. Seas 4 to 7 ft, except 8 to 11 ft S and E of Nantucket. A chance of snow showers. Vsby 1 to 3 NM. .WED NIGHT...W winds 25 to 30 kt with gusts up to 35 kt. Seas 5 to 8 ft, except 8 to 13 ft S and E of Nantucket. .THU...W winds 20 to 25 kt with gusts up to 30 kt. Seas 4 to 7 ft. .THU NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. A chance of snow. 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. $$ ANZ255-101900- Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- 117 AM EST Sun Dec 10 2017 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY MORNING... .REST OF TONIGHT...NW winds 10 to 15 kt with gusts up to 25 kt. Seas 7 to 10 ft. Patchy fog. Rain. .SUN...W winds 15 to 20 kt with gusts up to 25 kt. Seas 7 to 10 ft. A chance of showers. .SUN NIGHT...W winds 10 to 15 kt with gusts up to 25 kt. Seas 6 to 9 ft. .MON...W winds 10 to 15 kt with gusts up to 25 kt. Seas 5 to 8 ft. A chance of showers. .MON NIGHT...SW winds 5 to 10 kt, becoming S with gusts up to 20 kt after midnight. Seas 3 to 5 ft. A chance of rain. .TUE...S winds 10 to 15 kt, becoming SW 15 to 20 kt in the afternoon. Gusts up to 25 kt. Seas 3 to 5 ft. A chance of rain. .TUE NIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Seas 5 to 8 ft. .WED...W winds 25 to 30 kt with gusts up to 35 kt. Seas 6 to 9 ft. A chance of snow showers. Vsby 1 to 3 NM. .WED NIGHT...NW winds 25 to 30 kt with gusts up to 35 kt. Seas 7 to 10 ft. .THU...W winds 20 to 25 kt with gusts up to 30 kt. Seas 5 to 8 ft. A chance of snow showers. Vsby 1 to 3 NM. .THU NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 6 ft. A chance of snow. Vsby 1 to 3 NM. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ256-101900- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 117 AM EST Sun Dec 10 2017 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY MORNING... .REST OF TONIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 7 to 9 ft. Patchy fog. Rain. .SUN...W winds 15 to 20 kt with gusts up to 25 kt. Seas 7 to 10 ft. .SUN NIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Seas 6 to 9 ft. .MON...W winds 10 to 15 kt with gusts up to 25 kt. Seas 5 to 8 ft. .MON NIGHT...SW winds 5 to 10 kt, becoming S 10 to 15 kt with gusts up to 20 kt after midnight. Seas 3 to 5 ft. A chance of rain. .TUE...S winds 10 to 15 kt, becoming SW 15 to 20 kt in the afternoon. Gusts up to 25 kt. Seas 4 to 7 ft. A chance of rain. .TUE NIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Seas 5 to 8 ft. A chance of snow. Vsby 1 to 3 NM. .WED...W winds 25 to 30 kt with gusts up to 35 kt. Seas 6 to 9 ft. A chance of snow showers. Vsby 1 to 3 NM. .WED NIGHT...NW winds 25 to 30 kt with gusts up to 40 kt. Seas 7 to 10 ft. .THU...W winds 20 to 25 kt with gusts up to 30 kt. Seas 5 to 8 ft. A chance of snow showers. Vsby 1 to 3 NM. .THU NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 6 ft. A chance of snow and 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. $$ ANZ232-101900- Nantucket Sound- 117 AM EST Sun Dec 10 2017 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY MORNING... .REST OF TONIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Patchy fog. Rain with snow likely. Vsby 1 to 3 NM. .SUN...W winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 5 ft. .SUN NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. .MON...W winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. .MON NIGHT...SW winds around 5 kt, becoming S after midnight. Seas 2 to 3 ft. A chance of rain. .TUE...S winds 10 to 15 kt, becoming SW in the afternoon. Gusts up to 25 kt. Seas 2 to 3 ft. Rain likely. .TUE NIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. .WED...W winds 20 to 25 kt with gusts up to 30 kt. Seas 3 to 5 ft. A chance of snow showers. Vsby 1 to 3 NM. .WED NIGHT...W winds 25 to 30 kt with gusts up to 35 kt. Seas 3 to 5 ft. .THU...W winds 20 to 25 kt with gusts up to 30 kt. Seas 2 to 4 ft. .THU NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. A chance of snow. Vsby 1 to 3 NM. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ233-101900- Vineyard Sound- 117 AM EST Sun Dec 10 2017 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY MORNING... .REST OF TONIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Snow and rain. .SUN...W winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 5 ft. .SUN NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. .MON...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. .MON NIGHT...SW winds 5 to 10 kt, becoming S after midnight. Seas 2 to 3 ft. A chance of rain. .TUE...S winds 10 to 15 kt, becoming SW in the afternoon. Gusts up to 25 kt. Seas 2 to 4 ft. Rain likely. .TUE NIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. .WED...W winds 20 to 25 kt with gusts up to 35 kt. Seas 2 to 4 ft. .WED NIGHT...W winds 20 to 25 kt with gusts up to 40 kt. Seas 3 to 5 ft. .THU...W winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to 4 ft. A chance of snow showers. Vsby 1 to 3 NM. .THU NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. A chance of snow. 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. $$ ANZ234-101900- Buzzards Bay- 117 AM EST Sun Dec 10 2017 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY MORNING... .REST OF TONIGHT...NW winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 3 ft. Snow and rain. .SUN...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. .SUN NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. .MON...W winds 10 to 15 kt, diminishing to 5 to 10 kt in the afternoon. Gusts up to 20 kt. Seas 2 to 3 ft. .MON NIGHT...SW winds 5 to 10 kt, becoming SE after midnight. Seas around 2 ft. A chance of rain and snow. Vsby 1 to 3 NM. .TUE...S winds 10 to 15 kt, becoming SW in the afternoon. Gusts up to 20 kt. Seas 2 to 3 ft. Rain likely. .TUE NIGHT...W winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. .WED...W winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to 3 ft. .WED NIGHT...W winds 20 to 25 kt with gusts up to 35 kt. Seas 2 to 3 ft. .THU...W winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 3 ft. .THU NIGHT...W winds 5 to 10 kt. Seas around 2 ft. A chance of snow. Vsby 1 to 3 NM. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ235-101900- Rhode Island Sound- 117 AM EST Sun Dec 10 2017 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY MORNING... .REST OF TONIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 5 to 7 ft. Snow and rain. .SUN...W winds 15 to 20 kt with gusts up to 25 kt. Seas 5 to 8 ft. .SUN NIGHT...W winds 10 to 15 kt, increasing to 15 to 20 kt after midnight. Gusts up to 25 kt. Seas 4 to 7 ft. .MON...W winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 5 ft. .MON NIGHT...SW winds 5 to 10 kt, becoming S with gusts up to 20 kt after midnight. Seas 2 to 4 ft. A chance of rain. .TUE...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 5 ft. Rain likely. .TUE NIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 6 ft. .WED...W winds 20 to 25 kt with gusts up to 35 kt. Seas 4 to 6 ft. A chance of snow showers. Vsby 1 to 3 NM. .WED NIGHT...W winds 20 to 25 kt with gusts up to 40 kt. Seas 4 to 6 ft. .THU...W winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to 5 ft. A chance of snow showers. Vsby 1 to 3 NM. .THU NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. A chance of snow. 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. $$ ANZ237-101900- Block Island Sound- 117 AM EST Sun Dec 10 2017 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY MORNING... .REST OF TONIGHT...NW winds 5 to 10 kt. Seas 4 to 7 ft. Snow and rain. Vsby 1 to 3 NM. .SUN...W winds 10 to 15 kt with gusts up to 25 kt. Seas 4 to 7 ft. .SUN NIGHT...W winds 10 to 15 kt with gusts up to 25 kt. Seas 4 to 6 ft. .MON...W winds 10 to 15 kt, diminishing to 5 to 10 kt in the afternoon. Gusts up to 25 kt. Seas 3 to 5 ft. .MON NIGHT...S winds 5 to 10 kt. Gusts up to 20 kt after midnight. Seas 2 to 4 ft. A chance of rain. .TUE...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. Rain likely. .TUE NIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. A chance of snow. Vsby 1 to 3 NM. .WED...W winds 20 to 25 kt with gusts up to 35 kt. Seas 3 to 5 ft. A chance of snow showers. Vsby 1 to 3 NM. .WED NIGHT...W winds 20 to 25 kt with gusts up to 40 kt. Seas 4 to 6 ft. .THU...W winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to 4 ft. A chance of snow showers. Vsby 1 to 3 NM. .THU NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. A chance of snow. Vsby 1 to 3 NM. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ230-101900- Boston Harbor- 117 AM EST Sun Dec 10 2017 .REST OF TONIGHT...NW winds 5 to 10 kt with gusts up to 20 kt. Waves around 2 ft, except 3 to 5 ft at the outer harbor entrance. Snow and occasional freezing drizzle. Vsby 1 to 3 NM. .SUN...W winds 5 to 10 kt with gusts up to 20 kt. Waves around 2 ft, except 3 to 5 ft at the outer harbor entrance. Occasional freezing drizzle. .SUN NIGHT...SW winds around 10 kt with gusts up to 20 kt. Waves around 2 ft. .MON...W winds 5 to 10 kt. Gusts up to 20 kt in the morning. Waves around 2 ft. .MON NIGHT...SW winds around 5 kt, becoming SE after midnight. Waves 1 foot or less. Snow likely. Vsby 1 to 3 NM. .TUE...S winds 5 to 10 kt. Waves 1 foot or less. Rain and snow likely. Vsby 1 to 3 NM. .TUE NIGHT...W winds 5 to 10 kt. Waves 1 foot or less. .WED...W winds 10 to 15 kt with gusts up to 25 kt. Waves around 2 ft. .WED NIGHT...W winds 10 to 15 kt with gusts up to 25 kt. Waves around 2 ft. .THU...W winds 10 to 15 kt with gusts up to 20 kt. Waves 1 foot or less. .THU NIGHT...W winds 5 to 10 kt. Waves 1 foot or less. A chance of snow. 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. $$ ANZ236-101900- Narragansett Bay- 117 AM EST Sun Dec 10 2017 .REST OF TONIGHT...NW winds 5 to 10 kt. Waves 2 to 3 ft. Snow and occasional freezing drizzle. Vsby 1 to 3 NM. .SUN...W winds 5 to 10 kt, increasing to 10 to 15 kt in the afternoon. Gusts up to 20 kt. Waves 2 to 4 ft. Occasional freezing drizzle. .SUN NIGHT...W winds 5 to 10 kt with gusts up to 20 kt. Waves 2 to 4 ft. .MON...W winds 5 to 10 kt with gusts up to 20 kt. Waves 2 to 4 ft. .MON NIGHT...SW winds around 5 kt, becoming SE after midnight. Waves around 2 ft. Rain likely with a chance of snow. Vsby 1 to 3 NM. .TUE...S winds 5 to 10 kt, becoming SW in the afternoon. Gusts up to 20 kt. Waves 2 to 3 ft. Rain likely. Vsby 1 to 3 NM. .TUE NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Waves 2 to 3 ft. .WED...W winds 15 to 20 kt with gusts up to 30 kt. Waves 2 to 3 ft. .WED NIGHT...W winds 15 to 20 kt with gusts up to 30 kt. Waves 2 to 3 ft. .THU...W winds 10 to 15 kt with gusts up to 25 kt. Waves around 2 ft. .THU NIGHT...NW winds 5 to 10 kt. Waves around 2 ft. A chance of snow. Vsby 1 to 3 NM. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ 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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