Coastal Waters Forecast
Issued by NWS Boston, MA

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000 FZUS51 KBOX 160617 CWFBOX Coastal Waters Forecast National Weather Service Boston/Norton MA 116 AM EST Sun Dec 16 2018 Coastal waters from the Merrimack River MA to Watch Hill RI out to 25 NM ANZ200-161900- 116 AM EST Sun Dec 16 2018 .Synopsis for Massachusetts and Rhode Island coastal waters... A series of low pres systems track S of srn New England this weekend into Mon bringing widespread rain and strong winds. High pres builds back towards the waters from the W Tue into 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. $$ ANZ250-161900- Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- 116 AM EST Sun Dec 16 2018 ...GALE WARNING IN EFFECT FROM THIS AFTERNOON THROUGH LATE TONIGHT... .REST OF TONIGHT...NE winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 5 ft. .SUN...E winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to 7 ft. A chance of rain. .SUN NIGHT...NE winds 20 to 25 kt with gusts up to 35 kt. Seas 7 to 10 ft. Patchy fog. Rain. Vsby 1 NM or less. .MON...N winds 20 to 25 kt, becoming NW 15 to 20 kt in the afternoon. Gusts up to 30 kt. Seas 7 to 10 ft. Rain likely. Vsby 1 to 3 NM. .MON NIGHT...NW winds 25 to 30 kt with gusts up to 40 kt. Seas 6 to 8 ft. A chance of snow and rain showers. .TUE...NW winds 25 to 30 kt with gusts up to 40 kt. Seas 7 to 10 ft. .TUE NIGHT...NW winds 25 to 30 kt, diminishing to 20 to 25 kt after midnight. Seas 4 to 7 ft. .WED...W winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. .WED NIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas around 2 ft. .THU...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .THU NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Rain likely. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ251-161900- Massachusetts Bay and Ipswich Bay- 116 AM EST Sun Dec 16 2018 ...SMALL CRAFT ADVISORY IN EFFECT FROM 5 AM EST EARLY THIS MORNING THROUGH LATE TONIGHT... .REST OF TONIGHT...NE winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 4 ft. .SUN...E winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to 6 ft. A chance of rain. .SUN NIGHT...NE winds 20 to 25 kt with gusts up to 35 kt. Seas 6 to 9 ft. Patchy fog. Rain. Vsby 1 NM or less. .MON...N winds 15 to 20 kt, becoming NW 10 to 15 kt in the afternoon. Gusts up to 30 kt. Seas 6 to 9 ft. A chance of rain. .MON NIGHT...NW winds 20 to 25 kt, increasing to 25 to 30 kt after midnight. Seas 4 to 6 ft. .TUE...NW winds 25 to 30 kt, diminishing to 20 to 25 kt in the afternoon. Seas 4 to 6 ft. .TUE NIGHT...NW winds 20 to 25 kt, diminishing to 15 to 20 kt after midnight. Gusts up to 30 kt. Seas 2 to 4 ft. .WED...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .WED NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. .THU...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 1 foot or less. .THU NIGHT...S winds 5 to 10 kt. Seas around 2 ft. Rain likely. 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. $$ ANZ231-161900- Cape Cod Bay- 116 AM EST Sun Dec 16 2018 ...GALE WARNING IN EFFECT FROM 9 AM EST THIS MORNING THROUGH THIS EVENING... .REST OF TONIGHT...NE winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. .SUN...E winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Gusts up to 30 kt. Seas 3 to 5 ft. Rain likely. .SUN NIGHT...NE winds 15 to 20 kt with gusts up to 35 kt. Seas 4 to 7 ft. Patchy fog. Rain. Vsby 1 NM or less. .MON...N winds 15 to 20 kt, becoming NW 10 to 15 kt in the afternoon. Gusts up to 30 kt. Seas 4 to 6 ft. Rain likely. Vsby 1 to 3 NM. .MON NIGHT...NW winds 20 to 25 kt with gusts up to 35 kt. Seas 3 to 5 ft. .TUE...NW winds 25 to 30 kt with gusts up to 40 kt. Seas 4 to 7 ft. .TUE NIGHT...NW winds 20 to 25 kt, diminishing to 15 to 20 kt after midnight. Gusts up to 35 kt. Seas 3 to 5 ft. .WED...W winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. .WED NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. .THU...SW winds 5 to 10 kt with gusts up to 20 kt. Seas 1 foot or less. .THU NIGHT...S winds 5 to 10 kt. Seas around 2 ft. Rain likely. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ254-161900- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm- 116 AM EST Sun Dec 16 2018 ...GALE WARNING IN EFFECT FROM THIS AFTERNOON THROUGH LATE TONIGHT... .REST OF TONIGHT...NE winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to 7 ft. .SUN...E winds 15 to 20 kt, increasing to 20 to 25 kt in the afternoon. Gusts up to 35 kt. Seas 6 to 9 ft. Rain. Vsby 1 to 3 NM. .SUN NIGHT...E winds 20 to 25 kt, becoming NE 15 to 20 kt after midnight. Gusts up to 40 kt. Seas 8 to 11 ft. Patchy fog. Rain. Vsby 1 NM or less. .MON...NW winds 15 to 20 kt with gusts up to 30 kt. Seas 7 to 10 ft. A chance of rain. Vsby 1 to 3 NM. .MON NIGHT...NW winds 20 to 25 kt, increasing to 25 to 30 kt after midnight. Gusts up to 40 kt. Seas 6 to 9 ft. A chance of rain and snow showers. .TUE...NW winds 25 to 30 kt with gusts up to 40 kt. Seas 7 to 10 ft. .TUE NIGHT...NW winds 25 to 30 kt, diminishing to 20 to 25 kt after midnight. Seas 6 to 9 ft. .WED...W winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. .WED NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. .THU...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .THU NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Rain likely. 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. $$ ANZ255-161900- Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- 116 AM EST Sun Dec 16 2018 ...GALE WARNING IN EFFECT FROM 6 AM EST THIS MORNING THROUGH THIS EVENING... .REST OF TONIGHT...NE winds 20 to 25 kt with gusts up to 35 kt. Seas 5 to 8 ft. .SUN...E winds 20 to 25 kt with gusts up to 40 kt. Seas 7 to 10 ft. Patchy fog. Rain. Vsby 1 to 3 NM. .SUN NIGHT...E winds 20 to 25 kt with gusts up to 40 kt, becoming NE 15 to 20 kt with gusts up to 30 kt after midnight. Seas 7 to 10 ft. Patchy fog. Rain. Vsby 1 NM or less. .MON...NW winds 15 to 20 kt with gusts up to 30 kt. Seas 5 to 8 ft. A chance of rain. .MON NIGHT...NW winds 20 to 25 kt, increasing to 25 to 30 kt after midnight. Gusts up to 40 kt. Seas 6 to 9 ft. .TUE...NW winds 25 to 30 kt, diminishing to 20 to 25 kt in the afternoon. Gusts up to 40 kt. Seas 6 to 9 ft. .TUE NIGHT...NW winds 20 to 25 kt, diminishing to 15 to 20 kt after midnight. Gusts up to 35 kt. Seas 5 to 8 ft. .WED...W winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. .WED NIGHT...W winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. .THU...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. .THU NIGHT...SE winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 5 ft. Rain likely. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ256-161900- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 116 AM EST Sun Dec 16 2018 ...GALE WARNING IN EFFECT FROM 6 AM EST THIS MORNING THROUGH THIS EVENING... .REST OF TONIGHT...NE winds 20 to 25 kt with gusts up to 35 kt. Seas 6 to 9 ft. .SUN...E winds 20 to 25 kt with gusts up to 40 kt. Seas 9 to 12 ft. Patchy fog. Rain. Vsby 1 NM or less. .SUN NIGHT...NE winds 20 to 25 kt with gusts up to 40 kt, becoming N 15 to 20 kt with gusts up to 30 kt after midnight. Seas 8 to 11 ft. Patchy fog. Rain. Vsby 1 NM or less. .MON...NW winds 15 to 20 kt, becoming W 20 to 25 kt in the afternoon. Gusts up to 30 kt. Seas 6 to 9 ft. A chance of rain. .MON NIGHT...NW winds 25 to 30 kt with gusts up to 40 kt. Seas 6 to 8 ft. .TUE...NW winds 25 to 30 kt with gusts up to 40 kt. Seas 5 to 8 ft. .TUE NIGHT...NW winds 20 to 25 kt, diminishing to 15 to 20 kt after midnight. Gusts up to 30 kt. Seas 4 to 6 ft. .WED...W winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. .WED NIGHT...W winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. .THU...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. .THU NIGHT...SE winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. Rain likely. 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. $$ ANZ232-161900- Nantucket Sound- 116 AM EST Sun Dec 16 2018 ...GALE WARNING IN EFFECT FROM 9 AM EST THIS MORNING THROUGH THIS EVENING... .REST OF TONIGHT...NE winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to 4 ft. .SUN...E winds 15 to 20 kt, increasing to 20 to 25 kt in the afternoon. Gusts up to 35 kt. Seas 3 to 5 ft. Rain. Vsby 1 to 3 NM. .SUN NIGHT...NE winds 20 to 25 kt with gusts up to 35 kt, diminishing to 15 to 20 kt with gusts up to 25 kt after midnight. Seas 4 to 6 ft. Patchy fog. Rain. Vsby 1 NM or less. .MON...N winds 15 to 20 kt, becoming NW 10 to 15 kt in the afternoon. Gusts up to 30 kt. Seas 2 to 4 ft. A chance of rain. .MON NIGHT...NW winds 20 to 25 kt with gusts up to 35 kt. Seas 3 to 5 ft. .TUE...NW winds 20 to 25 kt with gusts up to 35 kt. Seas 4 to 6 ft. .TUE NIGHT...NW winds 20 to 25 kt, diminishing to 15 to 20 kt after midnight. Gusts up to 35 kt. Seas 3 to 5 ft. .WED...W winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. .WED NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. .THU...SW winds 5 to 10 kt with gusts up to 20 kt. Seas around 2 ft. .THU NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Rain likely. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ233-161900- Vineyard Sound- 116 AM EST Sun Dec 16 2018 ...GALE WARNING IN EFFECT FROM 9 AM EST THIS MORNING THROUGH THIS EVENING... .REST OF TONIGHT...NE winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to 4 ft. .SUN...E winds 15 to 20 kt, increasing to 20 to 25 kt in the afternoon. Gusts up to 35 kt. Seas 4 to 6 ft. Patchy fog. Rain. Vsby 1 to 3 NM. .SUN NIGHT...NE winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to 6 ft. Patchy fog. Rain. Vsby 1 to 3 NM. .MON...NW winds 15 to 20 kt, diminishing to 10 to 15 kt in the afternoon. Gusts up to 30 kt. Seas 2 to 4 ft. A chance of rain. .MON NIGHT...NW winds 20 to 25 kt with gusts up to 35 kt. Seas 3 to 5 ft. .TUE...NW winds 20 to 25 kt with gusts up to 35 kt. Seas 3 to 4 ft. .TUE NIGHT...NW winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to 4 ft. .WED...W winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. .WED NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. .THU...SW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. .THU NIGHT...SE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Rain likely. 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. $$ ANZ234-161900- Buzzards Bay- 116 AM EST Sun Dec 16 2018 ...GALE WARNING IN EFFECT FROM 9 AM EST THIS MORNING THROUGH THIS EVENING... .REST OF TONIGHT...NE winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to 4 ft. .SUN...E winds 15 to 20 kt with gusts up to 35 kt. Seas 3 to 5 ft. Patchy fog. Rain. Vsby 1 to 3 NM. .SUN NIGHT...NE winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to 5 ft. Patchy fog. Rain. Vsby 1 to 3 NM. .MON...NW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. A chance of rain. .MON NIGHT...NW winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to 3 ft. .TUE...NW winds 15 to 20 kt with gusts up to 30 kt. Seas around 3 ft. .TUE NIGHT...NW winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Gusts up to 25 kt. Seas 2 to 3 ft. .WED...W winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. .WED NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. .THU...SW winds 5 to 10 kt. Seas around 2 ft. .THU NIGHT...SE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Rain likely. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ235-161900- Rhode Island Sound- 116 AM EST Sun Dec 16 2018 ...GALE WARNING IN EFFECT FROM 9 AM EST THIS MORNING THROUGH THIS EVENING... .REST OF TONIGHT...NE winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to 6 ft. .SUN...NE winds 20 to 25 kt with gusts up to 40 kt. Seas 6 to 9 ft. Patchy fog. Rain. Vsby 1 to 3 NM. .SUN NIGHT...NE winds 20 to 25 kt, becoming N 15 to 20 kt after midnight. Gusts up to 35 kt. Seas 6 to 9 ft. Patchy fog. Rain. Vsby 1 to 3 NM. .MON...NW winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to 7 ft. A chance of rain. .MON NIGHT...NW winds 20 to 25 kt with gusts up to 35 kt. Seas 4 to 6 ft. .TUE...NW winds 20 to 25 kt with gusts up to 35 kt. Seas 3 to 5 ft. .TUE NIGHT...NW winds 20 to 25 kt, diminishing to 15 to 20 kt after midnight. Gusts up to 30 kt. Seas 2 to 4 ft. .WED...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .WED NIGHT...W winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. .THU...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .THU NIGHT...SE winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. Rain likely. 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. $$ ANZ237-161900- Block Island Sound- 116 AM EST Sun Dec 16 2018 ...GALE WARNING IN EFFECT FROM 9 AM EST THIS MORNING THROUGH THIS EVENING... .REST OF TONIGHT...NE winds 20 to 25 kt with gusts up to 30 kt. Seas 4 to 7 ft. .SUN...NE winds 20 to 25 kt with gusts up to 40 kt. Seas 6 to 9 ft. Patchy fog. Rain. Vsby 1 to 3 NM. .SUN NIGHT...NE winds 15 to 20 kt with gusts up to 35 kt. Seas 6 to 9 ft. Patchy fog. Rain. Vsby 1 to 3 NM. .MON...NW winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to 6 ft. A chance of rain. .MON NIGHT...NW winds 20 to 25 kt with gusts up to 35 kt. Seas 4 to 6 ft. .TUE...NW winds 20 to 25 kt with gusts up to 35 kt. Seas 3 to 5 ft. .TUE NIGHT...NW winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to 4 ft. .WED...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .WED NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .THU...SW winds around 10 kt with gusts up to 20 kt. Seas around 2 ft. .THU NIGHT...SE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Rain likely. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ230-161900- Boston Harbor- 116 AM EST Sun Dec 16 2018 ...SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH LATE TONIGHT... .REST OF TONIGHT...NE winds 10 to 15 kt with gusts up to 25 kt. Waves 2 to 3 ft. .SUN...E winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Gusts up to 25 kt. Waves 2 to 4 ft. Rain likely. .SUN NIGHT...NE winds 15 to 20 kt with gusts up to 30 kt. Waves 3 to 5 ft. Patchy fog. Rain. Vsby 1 to 3 NM. .MON...NW winds 10 to 15 kt with gusts up to 25 kt. Waves around 2 ft, except 4 to 6 ft at the outer harbor entrance. Rain likely. .MON NIGHT...NW winds 15 to 20 kt with gusts up to 30 kt. Waves around 2 ft, except 3 to 5 ft at the outer harbor entrance. .TUE...NW winds around 20 kt with gusts up to 30 kt. Waves around 2 ft. .TUE NIGHT...NW winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Gusts up to 30 kt. Waves around 2 ft. .WED...W winds 10 to 15 kt with gusts up to 20 kt. Waves 1 foot or less. .WED NIGHT...SW winds around 10 kt with gusts up to 20 kt. Waves 1 foot or less. .THU...SW winds around 10 kt. Waves 1 foot or less. .THU NIGHT...S winds 5 to 10 kt. Waves 1 foot or less. Rain likely. 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. $$ ANZ236-161900- Narragansett Bay- 116 AM EST Sun Dec 16 2018 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT... .REST OF TONIGHT...NE winds 10 to 15 kt with gusts up to 30 kt. Waves 2 to 3 ft. .SUN...NE winds 15 to 20 kt with gusts up to 30 kt. Waves 2 to 3 ft, except 4 to 7 ft at the bay entrance. Patchy fog. Rain. Vsby 1 to 3 NM. .SUN NIGHT...NE winds 15 to 20 kt with gusts up to 30 kt. Waves 2 to 3 ft, except 4 to 7 ft at the bay entrance. Patchy fog. Rain. Vsby 1 to 3 NM. .MON...NW winds 10 to 15 kt with gusts up to 25 kt. Waves 2 to 3 ft. A chance of rain. .MON NIGHT...NW winds 15 to 20 kt with gusts up to 30 kt. Waves 2 to 3 ft. .TUE...NW winds 15 to 20 kt with gusts up to 30 kt. Waves 2 to 3 ft. .TUE NIGHT...NW winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Gusts up to 25 kt. Waves 2 to 3 ft. .WED...W winds around 10 kt with gusts up to 20 kt. Waves 1 foot or less. .WED NIGHT...SW winds 5 to 10 kt with gusts up to 20 kt. Waves around 2 ft. .THU...SW winds 5 to 10 kt. Waves around 2 ft. .THU NIGHT...SE winds 10 to 15 kt. Waves 2 to 3 ft. Rain likely. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ 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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