Coastal Waters Forecast
Issued by NWS Boston, MA

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000 FZUS51 KBOX 221718 CWFBOX Coastal Waters Forecast National Weather Service Boston/Norton MA 118 PM EDT Sat Sep 22 2018 Coastal waters from the Merrimack River MA to Watch Hill RI out to 25 NM ANZ200-230615- 118 PM EDT Sat Sep 22 2018 .Synopsis for Massachusetts and Rhode Island coastal waters... High pres will build east from the Great Lakes this weekend. A stronger high will build across Quebec Mon, then will shift east toward Nova Scotia Tue. A warm front will lift north of the waters 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. $$ ANZ250-230615- Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- 118 PM EDT Sat Sep 22 2018 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 3 PM EDT THIS AFTERNOON... .REST OF TODAY...N winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 5 ft. .TONIGHT...NE winds 5 to 10 kt. Seas 2 to 3 ft. .SUN...N winds around 5 kt, becoming W around 5 kt in the afternoon. Seas around 2 ft. .SUN NIGHT...W winds around 5 kt, becoming NE 15 to 20 kt with gusts up to 30 kt after midnight. Seas 2 to 4 ft. .MON...NE winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to 7 ft. .MON NIGHT...E winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 6 ft. .TUE...SE winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to 5 ft. A chance of showers. .TUE NIGHT...S winds 20 to 25 kt with gusts up to 30 kt. Seas 4 to 7 ft. Showers likely. Vsby 1 to 3 NM. .WED...S winds 15 to 20 kt with gusts up to 30 kt. Seas 5 to 8 ft. A chance of showers. Vsby 1 to 3 NM. .WED NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 7 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ251-230615- Massachusetts Bay and Ipswich Bay- 118 PM EDT Sat Sep 22 2018 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 3 PM EDT THIS AFTERNOON... .REST OF TODAY...N winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. .TONIGHT...NE winds 5 to 10 kt. Seas around 2 ft. .SUN...N winds around 5 kt, becoming SE around 5 kt in the afternoon. Seas around 2 ft. .SUN NIGHT...SW winds around 5 kt, becoming NE 15 to 20 kt with gusts up to 30 kt after midnight. Seas 2 to 4 ft. .MON...NE winds 15 to 20 kt, diminishing to 10 to 15 kt in the afternoon. Gusts up to 30 kt. Seas 3 to 5 ft. .MON NIGHT...E winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. .TUE...SE winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. A chance of showers. .TUE NIGHT...S winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. Showers likely. Vsby 1 to 3 NM. .WED...S winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. Showers likely. 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. Showers likely. 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. $$ ANZ231-230615- Cape Cod Bay- 118 PM EDT Sat Sep 22 2018 .REST OF TODAY...N winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. .TONIGHT...NE winds 5 to 10 kt. Seas around 2 ft. .SUN...NE winds around 5 kt. Seas 1 foot or less. .SUN NIGHT...SW winds around 5 kt, becoming NE 10 to 15 kt with gusts up to 25 kt after midnight. Seas 2 to 3 ft. .MON...NE winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. .MON NIGHT...E winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. .TUE...SE winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 3 ft. A chance of showers. .TUE NIGHT...S winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to 4 ft. Showers likely. Vsby 1 to 3 NM. .WED...S winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. A chance of showers. Vsby 1 to 3 NM. .WED NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ254-230615- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm- 118 PM EDT Sat Sep 22 2018 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EDT THIS EVENING... .REST OF TODAY...N winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. .TONIGHT...NE winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt after midnight. Seas 2 to 4 ft. .SUN...NE winds 5 to 10 kt, diminishing to around 5 kt in the afternoon. Seas 2 to 3 ft. .SUN NIGHT...N winds around 5 kt, becoming NE 15 to 20 kt with gusts up to 30 kt after midnight. Seas 2 to 4 ft. .MON...NE winds 15 to 20 kt with gusts up to 30 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 25 kt. Seas 4 to 6 ft. A chance of showers. .TUE NIGHT...SE winds 20 to 25 kt with gusts up to 30 kt. Seas 4 to 7 ft. A chance of showers. Vsby 1 to 3 NM. .WED...S winds 15 to 20 kt with gusts up to 30 kt. Seas 5 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. 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. $$ ANZ255-230615- Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- 118 PM EDT Sat Sep 22 2018 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EDT THIS EVENING... .REST OF TODAY...N winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 5 ft. .TONIGHT...NE winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt after midnight. Seas 2 to 4 ft. .SUN...E winds 5 to 10 kt. Seas 2 to 3 ft. .SUN NIGHT...N winds around 5 kt, becoming NE 15 to 20 kt with gusts up to 25 kt after midnight. Seas 2 to 3 ft. .MON...NE winds 20 to 25 kt with gusts up to 30 kt. Seas 4 to 7 ft. .MON NIGHT...E winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to 7 ft. .TUE...E winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 6 ft. A chance of showers. .TUE NIGHT...SE winds around 20 kt with gusts up to 30 kt. Seas 4 to 7 ft. Showers likely. Vsby 1 to 3 NM. .WED...S winds 15 to 20 kt with gusts up to 25 kt. Seas 5 to 7 ft. A chance of showers. Vsby 1 to 3 NM. .WED NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 7 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ256-230615- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 118 PM EDT Sat Sep 22 2018 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 3 PM EDT THIS AFTERNOON... .REST OF TODAY...N winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. .TONIGHT...NE winds 5 to 10 kt. Gusts up to 20 kt in the evening. Seas 2 to 3 ft. .SUN...NE winds 5 to 10 kt, becoming SE in the afternoon. Seas 2 to 3 ft. .SUN NIGHT...NW winds around 5 kt, becoming NE 15 to 20 kt with gusts up to 25 kt after midnight. Seas 2 to 3 ft. .MON...NE winds 20 to 25 kt with gusts up to 30 kt. Seas 4 to 6 ft. .MON NIGHT...E winds 15 to 20 kt with gusts up to 30 kt. Seas 5 to 7 ft. .TUE...E winds around 20 kt with gusts up to 30 kt. Seas 4 to 7 ft. A chance of showers. .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 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 20 kt. Seas 5 to 6 ft. Patchy fog. A chance of showers. 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. $$ ANZ232-230615- Nantucket Sound- 118 PM EDT Sat Sep 22 2018 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 3 PM EDT THIS AFTERNOON... .REST OF TODAY...N winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. .TONIGHT...NE winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt after midnight. Seas around 2 ft. .SUN...NE winds around 5 kt, becoming SE around 5 kt in the afternoon. Seas 1 foot or less. .SUN NIGHT...W winds around 5 kt, becoming NE 10 to 15 kt with gusts up to 25 kt after midnight. Seas 2 to 3 ft. .MON...NE winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to 4 ft. .MON NIGHT...E winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. .TUE...SE winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. A chance of showers. .TUE NIGHT...SE winds 20 to 25 kt with gusts up to 30 kt. Seas 2 to 4 ft. Showers likely. Vsby 1 to 3 NM. .WED...S winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. A chance of showers. Vsby 1 to 3 NM. .WED NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ233-230615- Vineyard Sound- 118 PM EDT Sat Sep 22 2018 .REST OF TODAY...N winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .TONIGHT...NE winds 5 to 10 kt. Seas around 2 ft. .SUN...NE winds around 5 kt, becoming S in the afternoon. Seas 1 foot or less. .SUN NIGHT...W winds around 5 kt, becoming NE 10 to 15 kt with gusts up to 20 kt after midnight. Seas around 2 ft. .MON...NE winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to 4 ft. .MON NIGHT...E winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 3 ft. .TUE...E winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 3 ft. A chance of showers. .TUE NIGHT...S winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to 4 ft. Showers likely. Vsby 1 to 3 NM. .WED...S winds around 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 20 kt. Seas 2 to 3 ft. Patchy fog. A chance of showers. 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. $$ ANZ234-230615- Buzzards Bay- 118 PM EDT Sat Sep 22 2018 .REST OF TODAY...N winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .TONIGHT...NE winds 5 to 10 kt. Seas 1 foot or less. .SUN...NE winds around 5 kt, becoming S in the afternoon. Seas 1 foot or less. .SUN NIGHT...W winds around 5 kt, becoming NE 10 to 15 kt with gusts up to 20 kt after midnight. Seas 1 foot or less. .MON...NE winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. .MON NIGHT...E winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. .TUE...E winds 15 to 20 kt with gusts up to 25 kt. Seas around 2 ft. A chance of showers. .TUE NIGHT...S winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 3 ft. Showers likely. Vsby 1 to 3 NM. .WED...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. A chance of showers. Vsby 1 to 3 NM. .WED NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ235-230615- Rhode Island Sound- 118 PM EDT Sat Sep 22 2018 .REST OF TODAY...N winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. .TONIGHT...NE winds 5 to 10 kt. Seas around 2 ft. .SUN...NE winds 5 to 10 kt, becoming SE in the afternoon. Seas around 2 ft. .SUN NIGHT...W winds around 5 kt, becoming NE 10 to 15 kt with gusts up to 25 kt after midnight. Seas 2 to 3 ft. .MON...NE winds 15 to 20 kt with gusts up to 30 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 25 kt. Seas 2 to 4 ft. A chance of showers. .TUE NIGHT...S winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to 5 ft. Showers likely. Vsby 1 to 3 NM. .WED...S winds 15 to 20 kt with gusts up to 25 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. 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. $$ ANZ237-230615- Block Island Sound- 118 PM EDT Sat Sep 22 2018 .REST OF TODAY...N winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 4 ft. .TONIGHT...NE winds 5 to 10 kt. Seas around 2 ft. .SUN...NE winds 5 to 10 kt, becoming SE in the afternoon. Seas around 2 ft. .SUN NIGHT...W winds around 5 kt, becoming NE 10 to 15 kt with gusts up to 25 kt after midnight. Seas around 2 ft. .MON...NE winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to 4 ft. .MON NIGHT...E winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. .TUE...E winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. A chance of showers. .TUE NIGHT...S winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. Showers likely. Vsby 1 to 3 NM. .WED...S winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. A chance of showers. Vsby 1 to 3 NM. .WED NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ230-230615- Boston Harbor- 118 PM EDT Sat Sep 22 2018 .REST OF TODAY...N winds around 10 kt with gusts up to 20 kt. Waves around 2 ft. .TONIGHT...N winds 5 to 10 kt. Waves 1 foot or less. .SUN...N winds around 5 kt, becoming SE in the afternoon. Waves 1 foot or less. .SUN NIGHT...SW winds around 5 kt, becoming NE 10 to 15 kt with gusts up to 20 kt after midnight. Waves around 2 ft. .MON...NE winds 10 to 15 kt with gusts up to 25 kt. Waves 2 to 3 ft. .MON NIGHT...E winds 5 to 10 kt. Waves 1 foot or less. .TUE...SE winds around 10 kt. Waves around 2 ft. A chance of showers. .TUE NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Waves around 2 ft. Showers likely. Vsby 1 to 3 NM. .WED...S winds around 10 kt. Waves around 2 ft. Showers likely. Vsby 1 to 3 NM. .WED NIGHT...SW winds 5 to 10 kt. Waves 1 foot or less. Patchy fog. Showers likely. 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. $$ ANZ236-230615- Narragansett Bay- 118 PM EDT Sat Sep 22 2018 .REST OF TODAY...N winds around 10 kt with gusts up to 20 kt. Waves around 2 ft. .TONIGHT...NE winds 5 to 10 kt. Waves around 2 ft. .SUN...NE winds around 5 kt, becoming S around 5 kt in the afternoon. Waves 1 foot or less. .SUN NIGHT...W winds around 5 kt, becoming N with gusts up to 20 kt after midnight. Waves 1 foot or less. .MON...NE winds 15 to 20 kt, diminishing to 10 to 15 kt in the afternoon. Gusts up to 25 kt. Waves 2 to 3 ft. .MON NIGHT...E winds 10 to 15 kt with gusts up to 20 kt. Waves around 2 ft. .TUE...E winds 10 to 15 kt with gusts up to 25 kt. Waves 2 to 3 ft. A chance of showers. .TUE NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Waves 2 to 3 ft. Showers likely. Vsby 1 to 3 NM. .WED...S winds 10 to 15 kt with gusts up to 20 kt. Waves 2 to 3 ft. A chance of showers. Vsby 1 to 3 NM. .WED NIGHT...SW winds 5 to 10 kt. Waves 2 to 3 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ 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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