Coastal Waters Forecast
Issued by NWS Boston, MA

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000 FZUS51 KBOX 260516 CWFBOX Coastal Waters Forecast National Weather Service Boston/Norton MA 116 AM EDT Wed Sep 26 2018 Coastal waters from the Merrimack River MA to Watch Hill RI out to 25 NM ANZ200-261800- 116 AM EDT Wed Sep 26 2018 .Synopsis for Massachusetts and Rhode Island coastal waters... A warm front will lift N across the waters tonight, resulting in rain, limited visibility, and strong SE winds. A cold front will follow, sweeping across the waters Wed night. High pres builds over New Eng Thu and through this weekend. 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. $$ ANZ250-261800- Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- 116 AM EDT Wed Sep 26 2018 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON... .REST OF TONIGHT...S winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to 7 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM. .WED...S winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to 7 ft. Patchy fog. A chance of showers. Vsby 1 NM or less. .WED NIGHT...S winds 15 to 20 kt, becoming W after midnight. Gusts up to 30 kt. Seas 4 to 7 ft. Patchy fog. A chance of showers. Vsby 1 NM or less. .THU...N winds 15 to 20 kt, becoming NE 10 to 15 kt in the afternoon. Gusts up to 25 kt. Seas 4 to 6 ft. .THU NIGHT...NE winds 5 to 10 kt. Seas 3 to 5 ft. .FRI...E winds 5 to 10 kt. Seas 2 to 4 ft. .FRI NIGHT...S winds around 5 kt, becoming W after midnight. Seas 3 to 5 ft. .SAT...W winds 5 to 10 kt. Seas 3 to 5 ft. .SAT NIGHT...NW winds around 10 kt. Seas 3 to 5 ft. .SUN...NW winds 5 to 10 kt. Seas 3 to 5 ft. .SUN NIGHT...W winds 5 to 10 kt. Seas 4 to 5 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ251-261800- Massachusetts Bay and Ipswich Bay- 116 AM EDT Wed Sep 26 2018 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM EDT EARLY THIS MORNING... .REST OF TONIGHT...S winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. Patchy fog. A chance of showers. Vsby 1 NM or less. .WED...S winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. Patchy fog. A chance of showers. Vsby 1 NM or less. .WED NIGHT...S winds 10 to 15 kt, becoming NW after midnight. Gusts up to 25 kt. Seas 3 to 5 ft. Patchy fog. A chance of showers. Vsby 1 NM or less. .THU...N winds 10 to 15 kt with gusts up to 25 kt, becoming NE 5 to 10 kt in the afternoon. Seas 2 to 4 ft. .THU NIGHT...NE winds 5 to 10 kt. Seas 2 to 4 ft. .FRI...SE winds around 5 kt. Seas 2 to 3 ft. .FRI NIGHT...S winds around 5 kt, becoming W after midnight. Seas 2 to 3 ft. .SAT...W winds 5 to 10 kt. Seas 2 to 3 ft. .SAT NIGHT...NW winds 5 to 10 kt. Seas 2 to 4 ft. .SUN...W winds 5 to 10 kt. Seas 2 to 4 ft. .SUN NIGHT...W 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. $$ ANZ231-261800- Cape Cod Bay- 116 AM EDT Wed Sep 26 2018 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON... .REST OF TONIGHT...S winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to 4 ft. Patchy fog. A chance of showers. .WED...S winds 10 to 15 kt with gusts up to 30 kt. Seas 2 to 4 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM. .WED NIGHT...S winds 10 to 15 kt, becoming W after midnight. Gusts up to 25 kt. Seas 2 to 4 ft. Patchy fog. A chance of showers. Vsby 1 NM or less. .THU...N winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. .THU NIGHT...NE winds 5 to 10 kt. Seas 2 to 3 ft. .FRI...E winds around 5 kt. Seas around 2 ft. .FRI NIGHT...S winds around 5 kt, becoming W after midnight. Seas 2 to 3 ft. .SAT...W winds 5 to 10 kt. Seas 2 to 3 ft. .SAT NIGHT...NW winds 5 to 10 kt. Seas 2 to 3 ft. .SUN...NW winds 5 to 10 kt. Seas 2 to 3 ft. .SUN NIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ254-261800- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm- 116 AM EDT Wed Sep 26 2018 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON... .REST OF TONIGHT...S winds 15 to 20 kt with gusts up to 30 kt. Seas 5 to 7 ft. Patchy fog. A chance of showers. .WED...S winds 15 to 20 kt with gusts up to 30 kt. Seas 5 to 7 ft. Patchy fog. A chance of showers. Vsby 1 NM or less. .WED NIGHT...S winds 15 to 20 kt, becoming W 10 to 15 kt after midnight. Gusts up to 30 kt. Seas 5 to 8 ft. Patchy fog. A chance of showers. Vsby 1 NM or less. .THU...N winds 15 to 20 kt, becoming NE 10 to 15 kt in the afternoon. Gusts up to 25 kt. Seas 4 to 7 ft. .THU NIGHT...NE winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt after midnight. Seas 4 to 6 ft. .FRI...NE winds 5 to 10 kt. Seas 3 to 5 ft. .FRI NIGHT...NE winds around 5 kt, becoming W after midnight. Seas 3 to 5 ft. .SAT...NW winds 5 to 10 kt. Seas 3 to 5 ft. .SAT NIGHT...NW winds 10 to 15 kt. Seas 3 to 5 ft. .SUN...NW winds 5 to 10 kt. Seas 4 to 6 ft. .SUN NIGHT...W winds 5 to 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. $$ ANZ255-261800- Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- 116 AM EDT Wed Sep 26 2018 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON... .REST OF TONIGHT...S winds 15 to 20 kt with gusts up to 30 kt. Seas 5 to 7 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM. .WED...S winds around 15 kt with gusts up to 25 kt. Seas 5 to 8 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM. .WED NIGHT...S winds 10 to 15 kt, becoming W after midnight. Gusts up to 25 kt. Seas 6 to 8 ft. Patchy fog. A chance of showers. Vsby 1 NM or less. .THU...N winds 15 to 20 kt, becoming NE 10 to 15 kt in the afternoon. Gusts up to 25 kt. Seas 5 to 8 ft. .THU NIGHT...NE winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt after midnight. Seas 4 to 6 ft. .FRI...NE winds 5 to 10 kt. Seas 3 to 5 ft. .FRI NIGHT...NE winds around 5 kt, becoming NW after midnight. Seas 2 to 4 ft. .SAT...NW winds 5 to 10 kt. Seas 2 to 4 ft. .SAT NIGHT...NW winds 10 to 15 kt. Seas 3 to 5 ft. .SUN...NW winds 5 to 10 kt. Seas 3 to 5 ft. .SUN NIGHT...W winds 5 to 10 kt. Seas 3 to 5 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ256-261800- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 116 AM EDT Wed Sep 26 2018 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON... .REST OF TONIGHT...S winds 15 to 20 kt with gusts up to 25 kt. Seas 6 to 8 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM. .WED...S winds 10 to 15 kt with gusts up to 25 kt. Seas 6 to 8 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM. .WED NIGHT...SW winds 10 to 15 kt, becoming NW after midnight. Gusts up to 25 kt. Seas 6 to 8 ft. Patchy fog. A chance of showers. Vsby 1 NM or less. .THU...N winds 15 to 20 kt, becoming NE 10 to 15 kt in the afternoon. Seas 5 to 8 ft. .THU NIGHT...NE winds 10 to 15 kt, diminishing to 5 to 10 kt with gusts up to 20 kt after midnight. Seas 4 to 6 ft. .FRI...E winds 5 to 10 kt. Seas 3 to 5 ft. .FRI NIGHT...NE winds around 5 kt, becoming NW after midnight. Seas 2 to 4 ft. .SAT...NW winds 5 to 10 kt. Seas 2 to 4 ft. .SAT NIGHT...NW winds 10 to 15 kt. Seas 2 to 4 ft. .SUN...NW winds 5 to 10 kt. Seas 3 to 4 ft. .SUN NIGHT...W 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. $$ ANZ232-261800- Nantucket Sound- 116 AM EDT Wed Sep 26 2018 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON... .REST OF TONIGHT...S winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to 4 ft. Patchy fog. A chance of showers. .WED...S winds around 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM. .WED NIGHT...S winds 10 to 15 kt, becoming W after midnight. Gusts up to 30 kt. Seas 2 to 4 ft. Patchy fog. A chance of showers. Vsby 1 NM or less. .THU...N winds 15 to 20 kt, becoming NE 10 to 15 kt in the afternoon. Gusts up to 25 kt. Seas 2 to 4 ft. .THU NIGHT...NE winds 5 to 10 kt. Seas 2 to 4 ft. .FRI...NE winds 5 to 10 kt. Seas 2 to 3 ft. .FRI NIGHT...NE winds around 5 kt, becoming NW after midnight. Seas 2 to 3 ft. .SAT...NW winds 5 to 10 kt. Seas 2 to 3 ft. .SAT NIGHT...NW winds 10 to 15 kt. Seas 2 to 3 ft. .SUN...NW winds 5 to 10 kt. Seas 2 to 3 ft. .SUN NIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ233-261800- Vineyard Sound- 116 AM EDT Wed Sep 26 2018 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON... .REST OF TONIGHT...S winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. Patchy fog. A chance of showers. .WED...S winds around 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM. .WED NIGHT...S winds 10 to 15 kt, becoming W after midnight. Gusts up to 25 kt. Seas 2 to 4 ft. Patchy fog. Showers likely. Vsby 1 NM or less. .THU...NE winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. .THU NIGHT...NE winds 5 to 10 kt. Seas 2 to 3 ft. .FRI...E winds 5 to 10 kt. Seas around 2 ft. .FRI NIGHT...E winds around 5 kt, becoming NW after midnight. Seas around 2 ft. .SAT...W winds 5 to 10 kt. Seas around 2 ft. .SAT NIGHT...NW winds around 10 kt. Seas around 2 ft. .SUN...NW winds 5 to 10 kt. Seas around 2 ft. .SUN NIGHT...W 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. $$ ANZ234-261800- Buzzards Bay- 116 AM EDT Wed Sep 26 2018 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON... .REST OF TONIGHT...S winds around 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. Patchy fog. A chance of showers. .WED...S winds around 15 kt with gusts up to 30 kt. Seas 2 to 4 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM. .WED NIGHT...SW winds 10 to 15 kt, becoming NW 5 to 10 kt after midnight. Gusts up to 25 kt. Seas 2 to 4 ft. Patchy fog. Showers likely. Vsby 1 NM or less. .THU...NE winds 10 to 15 kt. Gusts up to 20 kt in the morning. Seas 2 to 3 ft. .THU NIGHT...NE winds 5 to 10 kt. Seas 2 to 3 ft. .FRI...E winds around 5 kt. Seas around 2 ft. .FRI NIGHT...S winds around 5 kt, becoming W after midnight. Seas around 2 ft. .SAT...W winds 5 to 10 kt. Seas 1 foot or less. .SAT NIGHT...NW winds 5 to 10 kt. Seas around 2 ft. .SUN...NW winds 5 to 10 kt. Seas around 2 ft. .SUN NIGHT...W winds 5 to 10 kt. Seas around 2 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ235-261800- Rhode Island Sound- 116 AM EDT Wed Sep 26 2018 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON... .REST OF TONIGHT...S winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 6 ft. Patchy fog. A chance of showers. .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...S winds 10 to 15 kt, becoming NW after midnight. Gusts up to 25 kt. Seas 4 to 7 ft. Patchy fog. A chance of showers. Vsby 1 NM or less. .THU...N winds 15 to 20 kt, becoming NE 10 to 15 kt in the afternoon. Seas 4 to 6 ft. .THU NIGHT...NE winds 5 to 10 kt. Seas 3 to 5 ft. .FRI...E winds 5 to 10 kt. Seas 2 to 4 ft. .FRI NIGHT...SE winds around 5 kt, becoming W after midnight. Seas 2 to 4 ft. .SAT...W winds 5 to 10 kt. Seas around 2 ft. .SAT NIGHT...NW winds around 10 kt. Seas 2 to 3 ft. .SUN...NW winds 5 to 10 kt. Seas 2 to 3 ft. .SUN NIGHT...W 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. $$ ANZ237-261800- Block Island Sound- 116 AM EDT Wed Sep 26 2018 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON... .REST OF TONIGHT...S winds 10 to 15 kt with gusts up to 25 kt. Seas 4 to 6 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM. .WED...S winds 10 to 15 kt with gusts up to 25 kt. Seas 4 to 6 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM. .WED NIGHT...SW winds 10 to 15 kt, becoming NW after midnight. Gusts up to 20 kt. Seas 4 to 6 ft. Patchy fog. A chance of showers. Vsby 1 NM or less. .THU...N winds 10 to 15 kt with gusts up to 20 kt, becoming NE 5 to 10 kt in the afternoon. Seas 4 to 6 ft. .THU NIGHT...NE winds 5 to 10 kt. Seas 3 to 5 ft. .FRI...E winds 5 to 10 kt. Seas 2 to 4 ft. .FRI NIGHT...SE winds around 5 kt, becoming W after midnight. Seas 2 to 4 ft. .SAT...W winds 5 to 10 kt. Seas around 2 ft. .SAT NIGHT...NW winds around 10 kt. Seas 2 to 3 ft. .SUN...NW winds 5 to 10 kt. Seas 2 to 3 ft. .SUN NIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ230-261800- Boston Harbor- 116 AM EDT Wed Sep 26 2018 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON... .REST OF TONIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Waves around 2 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM. .WED...S winds 10 to 15 kt with gusts up to 25 kt. Waves around 2 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM. .WED NIGHT...SW winds 10 to 15 kt, becoming NW after midnight. Gusts up to 25 kt. Waves 2 to 3 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, becoming NE around 5 kt in the afternoon. Waves 2 to 3 ft. .THU NIGHT...NE winds around 5 kt. Waves 1 foot or less. .FRI...NE winds around 5 kt, becoming SE around 5 kt in the afternoon. Waves 1 foot or less. .FRI NIGHT...S winds around 5 kt, becoming W after midnight. Waves 1 foot or less. .SAT...W winds around 5 kt. Waves 1 foot or less. .SAT NIGHT...NW winds 5 to 10 kt. Waves 1 foot or less. .SUN...W winds around 5 kt. Waves 1 foot or less. .SUN NIGHT...W 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. $$ ANZ236-261800- Narragansett Bay- 116 AM EDT Wed Sep 26 2018 .REST OF TONIGHT...S winds 10 to 15 kt with gusts up to 25 kt. Waves 2 to 3 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM. .WED...S winds 10 to 15 kt with gusts up to 30 kt. Waves 2 to 3 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM. .WED NIGHT...SW winds 10 to 15 kt, becoming NW 5 to 10 kt after midnight. Gusts up to 25 kt. Waves 2 to 4 ft. Patchy fog. A chance of showers. Vsby 1 NM or less. .THU...N winds 10 to 15 kt with gusts up to 20 kt, becoming NE 5 to 10 kt in the afternoon. Waves 2 to 4 ft. .THU NIGHT...NE winds 5 to 10 kt. Waves 2 to 3 ft. .FRI...E winds around 5 kt. Waves 2 to 3 ft. .FRI NIGHT...S winds around 5 kt, becoming W after midnight. Waves 2 to 3 ft. .SAT...W winds 5 to 10 kt. Waves around 2 ft. .SAT NIGHT...NW winds 5 to 10 kt. Waves around 2 ft. .SUN...NW winds 5 to 10 kt. Waves around 2 ft. .SUN NIGHT...W winds around 5 kt. Waves around 2 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ 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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