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Coastal Waters Forecast
Issued by NWS Boston, MA
Issued by NWS Boston, MA
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000 FZUS51 KBOX 231116 CWFBOX Coastal Waters Forecast National Weather Service Boston/Norton MA 716 AM EDT Sun Sep 23 2018 Coastal waters from the Merrimack River MA to Watch Hill RI out to 25 NM ANZ200-240000- 716 AM EDT Sun Sep 23 2018 .Synopsis for Massachusetts and Rhode Island coastal waters... High pres will build over the waters today. A backdoor cold front will move south across the waters late tonight as a strong high pres builds across Quebec through Mon before moving to Nova Scotia Tue. A warm front will lift north of the waters Wed and be followed by a cold front moving across the waters early Thu. 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. $$ ANZ250-240000- Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- 716 AM EDT Sun Sep 23 2018 ...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH MONDAY EVENING... .TODAY...NE winds around 5 kt, becoming SE this afternoon. Seas 2 to 3 ft. .TONIGHT...SW winds around 5 kt, becoming N 20 to 25 kt with gusts up to 30 kt after midnight. Seas 2 to 4 ft. .MON...NE winds 20 to 25 kt, diminishing to 15 to 20 kt in the afternoon. Gusts up to 30 kt. Seas 4 to 7 ft. .MON NIGHT...E winds 10 to 15 kt, increasing to 15 to 20 kt after midnight. Seas 4 to 6 ft. .TUE...SE winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to 6 ft. Rain likely. .TUE NIGHT...S winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to 7 ft. Showers. Vsby 1 to 3 NM. .WED...S winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 7 ft. A chance of showers. Vsby 1 to 3 NM. .WED NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 7 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM. .THU...N winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. .THU NIGHT...NE winds 5 to 10 kt. Seas 2 to 4 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ251-240000- Massachusetts Bay and Ipswich Bay- 716 AM EDT Sun Sep 23 2018 ...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH MONDAY EVENING... .TODAY...N winds around 5 kt, becoming SE around 5 kt this afternoon. Seas around 2 ft. .TONIGHT...S winds around 5 kt, becoming N 15 to 20 kt with gusts up to 30 kt after midnight. Seas 2 to 3 ft. .MON...NE winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 6 ft. .MON NIGHT...E winds 10 to 15 kt. Gusts up to 20 kt in the evening. Seas 3 to 5 ft. .TUE...SE 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. .TUE NIGHT...S winds 10 to 15 kt with gusts up to 30 kt. Seas 3 to 5 ft. Patchy fog. Showers. Vsby 1 to 3 NM. .WED...S winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. A chance of showers. Vsby 1 to 3 NM. .WED NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM. .THU...N winds 5 to 10 kt. Seas 2 to 3 ft. .THU NIGHT...NE 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. $$ ANZ231-240000- Cape Cod Bay- 716 AM EDT Sun Sep 23 2018 ...SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY MORNING THROUGH MONDAY AFTERNOON... .TODAY...E winds around 5 kt. Seas 1 foot or less. .TONIGHT...S winds around 5 kt, becoming NE after midnight. Seas 1 foot or less. .MON...NE winds 15 to 20 kt, diminishing to 10 to 15 kt in the afternoon. Gusts up to 25 kt. Seas 2 to 4 ft. .MON NIGHT...E winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. .TUE...SE winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Gusts up to 25 kt. Seas 2 to 3 ft. Rain likely. .TUE NIGHT...SE winds 15 to 20 kt, becoming S 10 to 15 kt after midnight. Gusts up to 30 kt. Seas 2 to 4 ft. Showers. Vsby 1 to 3 NM. .WED...S winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. A chance of showers. Vsby 1 to 3 NM. .WED NIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM. .THU...N winds around 10 kt with gusts up to 20 kt. Seas 2 to 3 ft. A chance of showers. Vsby 1 to 3 NM. .THU NIGHT...NE winds 5 to 10 kt. Seas around 2 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ254-240000- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm- 716 AM EDT Sun Sep 23 2018 ...SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY MORNING THROUGH MONDAY EVENING... .TODAY...NE winds 5 to 10 kt, becoming E this afternoon. Seas 2 to 3 ft. .TONIGHT...N winds around 5 kt, becoming NE 10 to 15 kt after midnight. Seas 2 to 3 ft. .MON...NE winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 7 ft. .MON NIGHT...E winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 7 ft. .TUE...SE winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to 7 ft. A chance of rain. .TUE NIGHT...S winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to 7 ft. Showers. Vsby 1 to 3 NM. .WED...S winds 15 to 20 kt with gusts up to 30 kt. Seas 5 to 7 ft. Showers likely. Vsby 1 to 3 NM. .WED NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 7 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM. .THU...N winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 6 ft. A chance of showers. Vsby 1 to 3 NM. .THU NIGHT...NE winds 5 to 10 kt with gusts up to 20 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. $$ ANZ255-240000- Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- 716 AM EDT Sun Sep 23 2018 ...SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY MORNING THROUGH MONDAY EVENING... .TODAY...E winds 5 to 10 kt. Seas 2 to 3 ft. .TONIGHT...NE winds 5 to 10 kt. Seas 2 to 4 ft. .MON...NE winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. .MON NIGHT...E winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 7 ft. .TUE...SE winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to 7 ft. A chance of rain. .TUE NIGHT...S winds 15 to 20 kt with gusts up to 30 kt. Seas 5 to 7 ft. Showers likely. Vsby 1 to 3 NM. .WED...S winds 15 to 20 kt with gusts up to 30 kt. Seas 5 to 7 ft. Showers likely. Vsby 1 to 3 NM. .WED NIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 5 to 8 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM. .THU...N winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 6 ft. A chance of showers. Vsby 1 to 3 NM. .THU NIGHT...NE winds 5 to 10 kt with gusts up to 20 kt. Seas 4 to 6 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ256-240000- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 716 AM EDT Sun Sep 23 2018 ...SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY MORNING THROUGH MONDAY EVENING... .TODAY...NE winds 5 to 10 kt, becoming SE this afternoon. Seas 2 to 3 ft. .TONIGHT...E winds around 5 kt, becoming NE after midnight. Seas 2 to 3 ft. .MON...NE winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 6 ft. .MON NIGHT...E winds 15 to 20 kt with gusts up to 25 kt. Seas 5 to 8 ft. .TUE...SE winds 15 to 20 kt with gusts up to 30 kt. Seas 6 to 8 ft. Rain likely. .TUE NIGHT...S winds 15 to 20 kt with gusts up to 30 kt. Seas 6 to 8 ft. Showers likely. Vsby 1 to 3 NM. .WED...S winds 10 to 15 kt with gusts up to 25 kt. Seas 5 to 7 ft. A chance of showers. Vsby 1 to 3 NM. .WED NIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 5 to 7 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM. .THU...N winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 7 ft. A chance of showers. Vsby 1 to 3 NM. .THU NIGHT...E winds around 10 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. $$ ANZ232-240000- Nantucket Sound- 716 AM EDT Sun Sep 23 2018 ...SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY MORNING THROUGH MONDAY EVENING... .TODAY...NE winds 5 to 10 kt, becoming SE this afternoon. Seas 1 foot or less. .TONIGHT...E winds around 5 kt, becoming NE after midnight. Seas around 2 ft. .MON...NE winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. .MON NIGHT...E winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. .TUE...SE winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. Rain likely. .TUE NIGHT...S winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to 4 ft. Showers. .WED...S winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. Showers likely. .WED NIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM. .THU...N winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. A chance of showers. Vsby 1 to 3 NM. .THU NIGHT...NE winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 3 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ233-240000- Vineyard Sound- 716 AM EDT Sun Sep 23 2018 ...SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY MORNING THROUGH MONDAY EVENING... .TODAY...NE winds 5 to 10 kt, becoming SE this afternoon. Seas 1 foot or less. .TONIGHT...SW winds around 5 kt, becoming NE after midnight. Seas 1 foot or less. .MON...NE winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. .MON NIGHT...E winds around 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. .TUE...SE winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. Rain likely. .TUE NIGHT...S winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to 4 ft. Showers. .WED...S winds around 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. Showers likely. .WED NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM. .THU...N winds around 10 kt. Seas 2 to 3 ft. A chance of showers. .THU NIGHT...NE 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. $$ ANZ234-240000- Buzzards Bay- 716 AM EDT Sun Sep 23 2018 ...SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY MORNING THROUGH MONDAY EVENING... .TODAY...NE winds around 5 kt, becoming SE around 5 kt this afternoon. Seas 1 foot or less. .TONIGHT...SW winds around 5 kt, becoming NE after midnight. Seas 1 foot or less. .MON...NE winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. .MON NIGHT...E winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. .TUE...E winds 10 to 15 kt, becoming SE 15 to 20 kt in the afternoon. Gusts up to 25 kt. Seas 2 to 3 ft. Rain likely. .TUE NIGHT...S winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. Showers. Vsby 1 to 3 NM. .WED...S winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. A chance of showers. .WED NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. A chance of showers. Vsby 1 to 3 NM. .THU...N winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers. Vsby 1 to 3 NM. .THU NIGHT...NE winds 5 to 10 kt. Seas around 2 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ235-240000- Rhode Island Sound- 716 AM EDT Sun Sep 23 2018 ...SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY MORNING THROUGH MONDAY EVENING... .TODAY...NE winds 5 to 10 kt, becoming SE this afternoon. Seas around 2 ft. .TONIGHT...SW winds around 5 kt, becoming NE after midnight. Seas around 2 ft. .MON...NE winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. .MON NIGHT...E winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. .TUE...E winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to 6 ft. Rain likely. .TUE NIGHT...S winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to 6 ft. Patchy fog. Showers. Vsby 1 to 3 NM. .WED...S winds 10 to 15 kt with gusts up to 25 kt. Seas 4 to 6 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM. .WED NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 6 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM. .THU...N winds around 10 kt. Seas 3 to 5 ft. A chance of showers. .THU NIGHT...NE 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. $$ ANZ237-240000- Block Island Sound- 716 AM EDT Sun Sep 23 2018 ...SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY MORNING THROUGH MONDAY EVENING... .TODAY...NE winds 5 to 10 kt, becoming SE this afternoon. Seas around 2 ft. .TONIGHT...SW winds around 5 kt, becoming NE after midnight. Seas around 2 ft. .MON...NE winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. .MON NIGHT...E winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 6 ft. .TUE...E winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to 6 ft. Rain likely. .TUE NIGHT...SE winds 15 to 20 kt, becoming S 10 to 15 kt after midnight. Gusts up to 25 kt. Seas 4 to 6 ft. Patchy fog. Showers likely. Vsby 1 to 3 NM. .WED...S winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. A chance of showers. Vsby 1 to 3 NM. .WED NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM. .THU...NE winds 5 to 10 kt. Seas 3 to 5 ft. A chance of showers. Vsby 1 to 3 NM. .THU NIGHT...E winds 5 to 10 kt. Seas 2 to 4 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ230-240000- Boston Harbor- 716 AM EDT Sun Sep 23 2018 ...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH MONDAY AFTERNOON... .TODAY...N winds around 5 kt, becoming SE this afternoon. Waves 1 foot or less. .TONIGHT...S winds around 5 kt, becoming N 10 to 15 kt with gusts up to 25 kt after midnight. Waves around 2 ft. .MON...NE winds 15 to 20 kt, becoming E 10 to 15 kt in the afternoon. Gusts up to 25 kt. Waves 2 to 3 ft. .MON NIGHT...E winds around 10 kt. Waves 2 to 3 ft. .TUE...SE winds 10 to 15 kt. Gusts up to 20 kt in the afternoon. Waves 2 to 3 ft. Rain likely. .TUE NIGHT...S winds around 10 kt. Gusts up to 20 kt in the evening. Waves 2 to 3 ft. Patchy fog. Showers. Vsby 1 to 3 NM. .WED...S winds around 10 kt. Waves around 2 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM. .WED NIGHT...SW winds 5 to 10 kt. Waves 1 foot or less. Patchy fog. A chance of showers. Vsby 1 to 3 NM. .THU...N winds 5 to 10 kt. Waves 1 foot or less. .THU NIGHT...NE 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. $$ ANZ236-240000- Narragansett Bay- 716 AM EDT Sun Sep 23 2018 .TODAY...NE winds around 5 kt, becoming S this afternoon. Waves 1 foot or less. .TONIGHT...SW winds around 5 kt, becoming N around 5 kt after midnight. Waves 1 foot or less. .MON...NE winds 10 to 15 kt with gusts up to 25 kt. Waves 2 to 3 ft. .MON NIGHT...E winds 10 to 15 kt with gusts up to 20 kt. Waves 2 to 3 ft. .TUE...E winds 10 to 15 kt with gusts up to 25 kt. Waves 2 to 3 ft. Rain likely. .TUE NIGHT...S winds 10 to 15 kt with gusts up to 25 kt. Waves 2 to 3 ft. Patchy fog. Showers likely. Vsby 1 to 3 NM. .WED...S winds 10 to 15 kt with gusts up to 20 kt. Waves 2 to 3 ft. A chance of showers. Vsby 1 to 3 NM. .WED NIGHT...SW winds 5 to 10 kt with gusts up to 20 kt. Waves 2 to 3 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM. .THU...N winds 5 to 10 kt. Waves 2 to 3 ft. .THU NIGHT...NE winds 5 to 10 kt. Waves 2 to 3 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ For the latest updates, please visit our webpage at www.weather.gov/boston You can follow us on Facebook at www.facebook.com/NWSBoston You can follow us on Twitter at @NWSBoston
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