Coastal Waters Forecast
Issued by NWS Boston, MA

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000 FZUS51 KBOX 240516 CWFBOX Coastal Waters Forecast National Weather Service Taunton MA 116 AM EDT Sun Sep 24 2017 COASTAL WATERS FROM THE MERRIMACK RIVER MA TO WATCH HILL RI OUT TO 25 NM ANZ200-241800- 116 AM EDT Sun Sep 24 2017 .Synopsis for Massachusetts and Rhode Island coastal waters... Locally dense fog extends from Cape Ann to Narragansett Bay. This will linger through Sunday morning. High pressure will bring dry weather to the waters Sunday through at least Tuesday. Hurricane Maria will slowly lift north to a location off the North Carolina coast by the middle of next week. It will generate southerly swell particularly across our southern outer waters during the first half of next week. Mariners should monitor the latest forecasts from the National Hurricane Center at www.nhc.noaa.gov. 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. $$ ANZ250-241800- Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- 116 AM EDT Sun Sep 24 2017 .REST OF TONIGHT...N winds around 5 kt. Seas 2 to 4 ft. Areas of fog. Vsby 1 NM or less. .SUN...N winds around 5 kt, becoming SE in the afternoon. Seas 2 to 4 ft. Areas of fog. Vsby 1 NM or less. .SUN NIGHT...S winds around 5 kt. Seas 2 to 4 ft. Patchy fog. Vsby 1 to 3 NM. .MON...E winds around 5 kt. Seas 2 to 4 ft. .MON NIGHT...S winds around 5 kt. Seas 2 to 4 ft. Patchy fog. Vsby 1 to 3 NM. .TUE...S winds around 5 kt. Seas 2 to 4 ft. Patchy fog. Vsby 1 to 3 NM. .TUE NIGHT...S winds 5 to 10 kt. Seas 2 to 4 ft. .WED...S winds 5 to 10 kt. Seas 2 to 4 ft. .WED NIGHT...S winds 5 to 10 kt. Seas 2 to 4 ft. A chance of showers. .THU...SW winds around 5 kt. Seas 2 to 4 ft. A chance of showers. .THU NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. A chance of showers. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ251-241800- Massachusetts Bay and Ipswich Bay- 116 AM EDT Sun Sep 24 2017 .REST OF TONIGHT...NW winds around 5 kt. Seas 2 to 3 ft. Areas of fog. Vsby 1 NM or less. .SUN...N winds around 5 kt, becoming SE in the afternoon. Seas 2 to 3 ft. Areas of fog. Vsby 1 NM or less. .SUN NIGHT...SW winds around 5 kt. Seas around 2 ft. Patchy fog. Vsby 1 to 3 NM. .MON...E winds around 5 kt. Seas around 2 ft. .MON NIGHT...S winds around 5 kt. Seas around 2 ft. Patchy fog. Vsby 1 to 3 NM. .TUE...SE winds around 5 kt. Seas around 2 ft. Patchy fog. Vsby 1 to 3 NM. .TUE NIGHT...S winds around 5 kt. Seas around 2 ft. .WED...S winds 5 to 10 kt. Seas 2 to 3 ft. .WED NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers. .THU...SW winds around 5 kt. Seas 2 to 3 ft. A chance of showers. .THU NIGHT...NW winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 3 ft. A chance of showers. 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. $$ ANZ231-241800- Cape Cod Bay- 116 AM EDT Sun Sep 24 2017 .REST OF TONIGHT...N winds around 5 kt. Seas around 2 ft. Areas of fog. Vsby 1 NM or less. .SUN...NE winds around 5 kt. Seas around 2 ft. Areas of fog. Vsby 1 NM or less. .SUN NIGHT...S winds around 5 kt. Seas around 2 ft. Patchy fog. Vsby 1 to 3 NM. .MON...E winds around 5 kt. Seas around 2 ft. .MON NIGHT...SE winds around 5 kt. Seas around 2 ft. Patchy fog. Vsby 1 to 3 NM. .TUE...SE winds around 5 kt. Seas around 2 ft. Patchy fog. Vsby 1 to 3 NM. .TUE NIGHT...S winds around 5 kt. Seas around 2 ft. .WED...SE winds 5 to 10 kt. Seas around 2 ft. .WED NIGHT...S winds 5 to 10 kt. Seas around 2 ft. Showers likely. .THU...SW winds around 5 kt. Seas around 2 ft. A chance of showers. .THU NIGHT...NW winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 4 ft. A chance of showers. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ254-241800- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm- 116 AM EDT Sun Sep 24 2017 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON... .REST OF TONIGHT...N winds 5 to 10 kt. Seas 3 to 5 ft. Areas of fog. Vsby 1 NM or less. .SUN...NE winds 5 to 10 kt. Seas 3 to 5 ft. Areas of fog. Vsby 1 NM or less. .SUN NIGHT...E winds around 5 kt. Seas 3 to 5 ft. Patchy fog. Vsby 1 NM or less. .MON...E winds around 5 kt. Seas 4 to 6 ft. Patchy fog. Vsby 1 to 3 NM. .MON NIGHT...SE winds around 5 kt. Seas 4 to 7 ft. Patchy fog. Vsby 1 to 3 NM. .TUE...Light and variable winds, becoming SE around 5 kt in the afternoon. Seas 4 to 6 ft. Patchy fog. Vsby 1 to 3 NM. .TUE NIGHT...SE winds around 5 kt. Seas 4 to 7 ft. .WED...SE winds 5 to 10 kt. Seas 4 to 7 ft, except 8 to 10 ft S and E of Nantucket. .WED NIGHT...S winds 5 to 10 kt. Seas 5 to 8 ft. Showers likely. .THU...SW winds 5 to 10 kt. Seas 5 to 8 ft. A chance of showers. .THU NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 6 to 9 ft, except 9 to 13 ft S and E of Nantucket. A chance of showers. 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. $$ ANZ255-241800- Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- 116 AM EDT Sun Sep 24 2017 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON... .REST OF TONIGHT...N winds 5 to 10 kt. Seas 3 to 5 ft. Areas of fog. Vsby 1 NM or less. .SUN...NE winds 5 to 10 kt. Seas 3 to 5 ft. Areas of fog. Vsby 1 NM or less. .SUN NIGHT...NE winds 5 to 10 kt, diminishing to around 5 kt after midnight. Seas 4 to 7 ft. Patchy fog. Vsby 1 NM or less. .MON...E winds 5 to 10 kt. Seas 5 to 8 ft. Patchy fog. Vsby 1 to 3 NM. .MON NIGHT...E winds 5 to 10 kt, diminishing to around 5 kt after midnight. Seas 5 to 7 ft. Patchy fog. Vsby 1 to 3 NM. .TUE...E winds around 5 kt. Seas 6 to 9 ft. Patchy fog. Vsby 1 to 3 NM. .TUE NIGHT...SE winds around 5 kt. Seas 7 to 10 ft. .WED...SE winds 5 to 10 kt. Seas 7 to 10 ft. .WED NIGHT...SE winds 5 to 10 kt. Seas 7 to 10 ft. A chance of showers. .THU...SW winds 5 to 10 kt. Seas 7 to 10 ft. A chance of showers. .THU NIGHT...NW winds 10 to 15 kt with gusts up to 25 kt. Seas 8 to 11 ft. A chance of showers. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ256-241800- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 116 AM EDT Sun Sep 24 2017 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON... .REST OF TONIGHT...N winds 5 to 10 kt. Seas 3 to 5 ft. Areas of fog. Vsby 1 NM or less. .SUN...NE winds 5 to 10 kt. Seas 4 to 6 ft. Areas of fog. Vsby 1 NM or less. .SUN NIGHT...NE winds around 5 kt. Seas 4 to 7 ft. Patchy fog. .MON...E winds 5 to 10 kt. Seas 5 to 8 ft. Patchy fog. .MON NIGHT...E winds 5 to 10 kt, diminishing to around 5 kt after midnight. Seas 6 to 8 ft. Patchy fog. Vsby 1 to 3 NM. .TUE...E winds around 5 kt. Seas 6 to 9 ft. Patchy fog. Vsby 1 to 3 NM. .TUE NIGHT...E winds around 5 kt. Seas 7 to 10 ft. .WED...E winds 5 to 10 kt. Seas 8 to 10 ft. .WED NIGHT...SE winds 5 to 10 kt. Seas 8 to 10 ft. Showers likely. .THU...SW winds around 5 kt. Seas 8 to 10 ft. A chance of showers. .THU NIGHT...N winds 10 to 15 kt with gusts up to 25 kt. Seas 8 to 11 ft. A chance of showers. 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. $$ ANZ232-241800- Nantucket Sound- 116 AM EDT Sun Sep 24 2017 .REST OF TONIGHT...N winds 5 to 10 kt. Seas 2 to 3 ft. Areas of fog. Vsby 1 NM or less. .SUN...NE winds 5 to 10 kt. Seas 2 to 3 ft. Areas of fog. Vsby 1 NM or less. .SUN NIGHT...NE winds around 5 kt. Seas 2 to 3 ft. Patchy fog. Vsby 1 NM or less. .MON...NE winds around 5 kt, becoming E in the afternoon. Seas 2 to 4 ft. Patchy fog. Vsby 1 to 3 NM. .MON NIGHT...E winds around 5 kt. Seas 2 to 4 ft. Patchy fog. Vsby 1 to 3 NM. .TUE...SE winds around 5 kt. Seas 2 to 4 ft. Patchy fog. Vsby 1 to 3 NM. .TUE NIGHT...SE winds around 5 kt. Seas 2 to 4 ft. .WED...SE winds 5 to 10 kt. Seas 2 to 4 ft. .WED NIGHT...S winds 5 to 10 kt. Seas 2 to 4 ft. Showers likely. .THU...SW winds around 5 kt. Seas 2 to 4 ft. A chance of showers. .THU NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. A chance of showers. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ233-241800- Vineyard Sound- 116 AM EDT Sun Sep 24 2017 .REST OF TONIGHT...N winds 5 to 10 kt. Seas around 2 ft. Areas of fog. Vsby 1 NM or less. .SUN...NE winds 5 to 10 kt. Seas 2 to 3 ft. Areas of fog. Vsby 1 NM or less. .SUN NIGHT...E winds around 5 kt, becoming NE around 5 kt after midnight. Seas 2 to 3 ft. Patchy fog. .MON...E winds 5 to 10 kt. Seas 2 to 4 ft. Patchy fog. .MON NIGHT...E winds 5 to 10 kt, diminishing to around 5 kt after midnight. Seas 2 to 4 ft. Patchy fog. Vsby 1 to 3 NM. .TUE...SE winds around 5 kt. Seas 3 to 5 ft. Patchy fog. Vsby 1 to 3 NM. .TUE NIGHT...SE winds around 5 kt. Seas 4 to 6 ft. .WED...SE winds 5 to 10 kt. Seas 4 to 7 ft. .WED NIGHT...SE winds 5 to 10 kt. Seas 4 to 7 ft. Showers likely. .THU...SW winds around 5 kt. Seas 3 to 5 ft. A chance of showers. .THU NIGHT...NW winds 10 to 15 kt with gusts up to 25 kt. Seas 4 to 7 ft. A chance of showers. 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. $$ ANZ234-241800- Buzzards Bay- 116 AM EDT Sun Sep 24 2017 .REST OF TONIGHT...N winds 5 to 10 kt. Seas around 2 ft. Areas of fog. Vsby 1 NM or less. .SUN...NE winds around 5 kt. Seas around 2 ft. Areas of fog. Vsby 1 NM or less. .SUN NIGHT...SE winds around 5 kt, becoming N after midnight. Seas 2 to 3 ft. Patchy fog. .MON...E winds around 5 kt. Seas 2 to 3 ft. Patchy fog. .MON NIGHT...E winds around 5 kt. Seas 2 to 3 ft. Patchy fog. Vsby 1 to 3 NM. .TUE...SE winds around 5 kt. Seas 2 to 4 ft. Patchy fog. Vsby 1 to 3 NM. .TUE NIGHT...SE winds around 5 kt. Seas 2 to 4 ft. .WED...SE winds 5 to 10 kt. Seas 3 to 5 ft. .WED NIGHT...S winds around 5 kt. Seas 2 to 4 ft. Showers likely. .THU...SW winds around 5 kt. Seas 2 to 4 ft. A chance of showers. .THU NIGHT...N winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 4 ft. A chance of showers. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ235-241800- Rhode Island Sound- 116 AM EDT Sun Sep 24 2017 ...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH MONDAY AFTERNOON... .REST OF TONIGHT...N winds 5 to 10 kt. Seas 2 to 4 ft. Areas of fog. Vsby 1 NM or less. .SUN...NE winds 5 to 10 kt, becoming E in the afternoon. Seas 2 to 4 ft. Areas of fog. Vsby 1 NM or less. .SUN NIGHT...SE winds around 5 kt, becoming NE after midnight. Seas 3 to 5 ft. Patchy fog. .MON...E winds 5 to 10 kt. Seas 4 to 6 ft. .MON NIGHT...E winds 5 to 10 kt, diminishing to around 5 kt after midnight. Seas 4 to 6 ft. Patchy fog. Vsby 1 to 3 NM. .TUE...E winds around 5 kt. Seas 4 to 7 ft. Patchy fog. Vsby 1 to 3 NM. .TUE NIGHT...SE winds around 5 kt. Seas 5 to 8 ft. .WED...SE winds 5 to 10 kt. Seas 6 to 9 ft. .WED NIGHT...SE winds 5 to 10 kt. Seas 5 to 8 ft. Showers likely. .THU...SW winds around 5 kt. Seas 5 to 8 ft. A chance of showers. .THU NIGHT...N winds 10 to 15 kt with gusts up to 25 kt. Seas 6 to 9 ft. A chance of showers. 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. $$ ANZ237-241800- Block Island Sound- 116 AM EDT Sun Sep 24 2017 ...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH MONDAY AFTERNOON... .REST OF TONIGHT...N winds around 5 kt. Seas 2 to 4 ft. Areas of fog. Vsby 1 NM or less. .SUN...NE winds around 5 kt, becoming SE around 5 kt in the afternoon. Seas 2 to 4 ft. Areas of fog. Vsby 1 NM or less. .SUN NIGHT...SE winds around 5 kt, becoming NE after midnight. Seas 3 to 5 ft. .MON...E winds 5 to 10 kt. Seas 4 to 6 ft. .MON NIGHT...NE winds around 5 kt. Seas 4 to 6 ft. Patchy fog. Vsby 1 to 3 NM. .TUE...E winds around 5 kt. Seas 4 to 6 ft. Patchy fog. Vsby 1 to 3 NM. .TUE NIGHT...E winds around 5 kt. Seas 4 to 7 ft. .WED...E winds around 5 kt. Seas 5 to 8 ft. .WED NIGHT...SE winds around 5 kt. Seas 5 to 7 ft. Showers likely. .THU...W winds around 5 kt. Seas 5 to 8 ft. A chance of showers. .THU NIGHT...N winds 10 to 15 kt with gusts up to 25 kt. Seas 5 to 8 ft. A chance of showers. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ230-241800- Boston Harbor- 116 AM EDT Sun Sep 24 2017 .REST OF TONIGHT...Light and variable winds. Waves 1 foot or less. Areas of fog. Vsby 1 NM or less. .SUN...N winds around 5 kt, becoming E in the afternoon. Waves 1 foot or less. Areas of fog. Vsby 1 NM or less. .SUN NIGHT...S winds around 5 kt, becoming SW after midnight. Waves 1 foot or less. .MON...E winds around 5 kt. Waves 1 foot or less. .MON NIGHT...SE winds around 5 kt, becoming S around 5 kt after midnight. Waves 1 foot or less. Patchy fog. Vsby 1 to 3 NM. .TUE...SE winds around 5 kt. Waves 1 foot or less. Patchy fog. Vsby 1 to 3 NM. .TUE NIGHT...S winds around 5 kt. Waves 1 foot or less. .WED...S winds around 5 kt. Waves 1 foot or less. .WED NIGHT...S winds around 5 kt. Waves 1 foot or less. A chance of showers. .THU...SW winds around 5 kt. Waves 1 foot or less. A chance of showers. .THU NIGHT...NW winds 5 to 10 kt. Waves 1 foot or less. A chance of showers. 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. $$ ANZ236-241800- Narragansett Bay- 116 AM EDT Sun Sep 24 2017 .REST OF TONIGHT...N winds around 5 kt. Waves around 2 ft. Areas of fog. Vsby 1 NM or less. .SUN...N winds around 5 kt, becoming E in the afternoon. Waves 2 to 3 ft. Areas of fog. Vsby 1 NM or less. .SUN NIGHT...S winds around 5 kt, becoming NW after midnight. Waves 2 to 3 ft. .MON...E winds around 5 kt. Waves 2 to 4 ft. .MON NIGHT...E winds around 5 kt. Waves 2 to 4 ft. Patchy fog. Vsby 1 to 3 NM. .TUE...SE winds around 5 kt. Waves 2 to 4 ft. Patchy fog. Vsby 1 to 3 NM. .TUE NIGHT...SE winds around 5 kt in the evening, becoming light and variable. Waves 2 to 4 ft. .WED...SE winds around 5 kt. Waves 3 to 5 ft. .WED NIGHT...S winds around 5 kt. Waves 2 to 4 ft. A chance of showers. .THU...W winds around 5 kt. Waves 2 to 4 ft. A chance of showers. .THU NIGHT...N winds 5 to 10 kt with gusts up to 20 kt. Waves 2 to 3 ft, except 4 to 6 ft at the bay entrance. A chance of showers. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ 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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