Coastal Waters Forecast
Issued by NWS Boston, MA

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000 FZUS51 KBOX 131545 CWFBOX Coastal Waters Forecast National Weather Service Taunton MA 1045 AM EST Tue Feb 13 2018 Coastal waters from the Merrimack River MA to Watch Hill RI out to 25 NM ANZ200-140415- 1045 AM EST Tue Feb 13 2018 .Synopsis for Massachusetts and Rhode Island coastal waters... High pressure builds over the waters today. Milder air moves over the waters Wed thru Fri on southwest winds. Expect rain chances Wed night into early Thu, then again Thu night into early Fri. A cold front sweeps across the waters Fri afternoon with high pressure returning for Sat. This high will move offshore east of Cape Cod Sat night. 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. $$ ANZ250-140415- Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- 1045 AM EST Tue Feb 13 2018 .THIS AFTERNOON...N winds around 10 kt with gusts up to 20 kt, becoming E. Seas 2 to 4 ft. .TONIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. .WED...SW winds 15 to 20 kt, diminishing to 10 to 15 kt in the afternoon. Gusts up to 30 kt. Seas 3 to 5 ft. .WED NIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. A chance of showers. Vsby 1 to 3 NM. .THU...SW winds 5 to 10 kt. Gusts up to 20 kt in the morning. Seas 2 to 4 ft. .THU NIGHT...SW winds 10 to 15 kt, diminishing to 5 to 10 kt after midnight. Gusts up to 20 kt. Seas 2 to 4 ft. A chance of showers. .FRI...W winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to 4 ft. A chance of showers. .FRI NIGHT...NW winds 20 to 25 kt with gusts up to 35 kt. Seas 6 to 9 ft. .SAT...W winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 6 ft. .SAT NIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas around 2 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ251-140415- Massachusetts Bay and Ipswich Bay- 1045 AM EST Tue Feb 13 2018 .THIS AFTERNOON...N winds 5 to 10 kt with gusts up to 20 kt, becoming E. Seas 2 to 3 ft. .TONIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. .WED...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. .WED NIGHT...SW winds 10 to 15 kt, diminishing to 5 to 10 kt after midnight. Gusts up to 20 kt. Seas 2 to 3 ft. A chance of showers. Vsby 1 to 3 NM. .THU...SW winds 5 to 10 kt. Seas 2 to 3 ft. .THU NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers. .FRI...W winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. A chance of showers. .FRI NIGHT...NW winds 15 to 20 kt with gusts up to 35 kt. Seas 3 to 5 ft. .SAT...W winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. .SAT NIGHT...SW winds 5 to 10 kt with gusts up to 25 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. $$ ANZ231-140415- Cape Cod Bay- 1045 AM EST Tue Feb 13 2018 .THIS AFTERNOON...NE winds 5 to 10 kt. Gusts up to 20 kt. Seas 2 to 3 ft. .TONIGHT...SW winds 5 to 10 kt with gusts up to 20 kt. Seas around 2 ft. .WED...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. .WED NIGHT...SW winds 10 to 15 kt, diminishing to 5 to 10 kt after midnight. Gusts up to 25 kt. Seas 2 to 3 ft. A chance of showers. Vsby 1 to 3 NM. .THU...SW winds 5 to 10 kt. Seas around 2 ft. Patchy fog. Vsby 1 to 3 NM. .THU NIGHT...SW winds 5 to 10 kt. Gusts up to 20 kt in the evening. Seas around 2 ft. A chance of showers. .FRI...W winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. Showers likely. .FRI NIGHT...NW winds 20 to 25 kt with gusts up to 35 kt. Seas 4 to 6 ft. .SAT...NW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. .SAT NIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas around 2 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ254-140415- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm- 1045 AM EST Tue Feb 13 2018 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM EST THIS AFTERNOON... .THIS AFTERNOON...N winds 10 to 15 kt, becoming NE 5 to 10 kt. Gusts up to 25 kt. Seas 3 to 5 ft. .TONIGHT...S winds 5 to 10 kt, becoming SW 10 to 15 kt after midnight. Gusts up to 25 kt. Seas 2 to 4 ft. .WED...SW winds 10 to 15 kt with gusts up to 30 kt. Seas 3 to 5 ft. .WED NIGHT...SW winds 10 to 15 kt with gusts up to 30 kt. Seas 2 to 4 ft. A chance of showers. Vsby 1 to 3 NM. .THU...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 NM or less. .THU NIGHT...SW winds 10 to 15 kt, diminishing to 5 to 10 kt after midnight. Gusts up to 20 kt. Seas 3 to 5 ft. A chance of showers. .FRI...SW winds 10 to 15 kt with gusts up to 30 kt. Seas 3 to 5 ft. Showers likely. .FRI NIGHT...NW winds 20 to 25 kt with gusts up to 35 kt. Seas 6 to 9 ft. .SAT...NW winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 7 ft. .SAT NIGHT...SW winds 10 to 15 kt with gusts up to 25 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. $$ ANZ255-140415- Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- 1045 AM EST Tue Feb 13 2018 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM EST THIS AFTERNOON... .THIS AFTERNOON...N winds 10 to 15 kt, becoming NE 5 to 10 kt. Gusts up to 25 kt. Seas 3 to 5 ft. .TONIGHT...S winds 5 to 10 kt. Gusts up to 20 kt after midnight. Seas 2 to 3 ft. .WED...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 4 ft. .WED NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM. .THU...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft. Patchy fog. A chance of showers. Vsby 1 NM or less. .THU NIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt in the evening. Seas 4 to 5 ft. Showers likely. .FRI...SW winds 15 to 20 kt with gusts up to 30 kt. Seas 5 to 8 ft. Showers likely. .FRI NIGHT...NW winds 15 to 20 kt with gusts up to 30 kt. Seas 6 to 9 ft. .SAT...NW winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 5 ft. .SAT NIGHT...W winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ256-140415- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 1045 AM EST Tue Feb 13 2018 .THIS AFTERNOON...NE winds 10 to 15 kt with gusts up to 20 kt, becoming E 5 to 10 kt. Seas 2 to 4 ft. .TONIGHT...S winds 5 to 10 kt. Gusts up to 20 kt after midnight. Seas 2 to 3 ft. .WED...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 4 ft. .WED NIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 4 to 5 ft. Patchy fog. A chance of showers. Vsby 1 NM or less. .THU...SW winds 10 to 15 kt with gusts up to 20 kt. Seas around 4 ft. Patchy fog. A chance of showers. Vsby 1 NM or less. .THU NIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt in the evening. Seas 4 to 5 ft. Showers likely. .FRI...SW winds 15 to 20 kt with gusts up to 30 kt. Seas 5 to 8 ft. A chance of showers. .FRI NIGHT...NW winds 15 to 20 kt with gusts up to 30 kt. Seas 6 to 9 ft. .SAT...NW winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 5 ft. .SAT NIGHT...W winds 10 to 15 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. $$ ANZ232-140415- Nantucket Sound- 1045 AM EST Tue Feb 13 2018 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM EST THIS AFTERNOON... .THIS AFTERNOON...N winds 10 to 15 kt, becoming NE 5 to 10 kt. Gusts up to 25 kt. Seas 2 to 4 ft. .TONIGHT...S winds 5 to 10 kt. Gusts up to 20 kt after midnight. Seas around 2 ft. .WED...SW winds 5 to 10 kt, increasing to 10 to 15 kt in the afternoon. Gusts up to 25 kt. Seas 2 to 3 ft. .WED NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. A chance of showers. Vsby 1 to 3 NM. .THU...SW winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 2 to 3 ft. Patchy fog. A chance of showers. Vsby 1 NM or less. .THU NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt after midnight. Seas 2 to 3 ft. A chance of showers. .FRI...SW winds 10 to 15 kt with gusts up to 30 kt. Seas 2 to 4 ft. Showers likely. .FRI NIGHT...NW winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to 5 ft. .SAT...NW winds 10 to 15 kt with gusts up to 25 kt. Seas around 2 ft. .SAT NIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ233-140415- Vineyard Sound- 1045 AM EST Tue Feb 13 2018 .THIS AFTERNOON...N winds around 10 kt with gusts up to 20 kt, becoming E. Seas around 2 ft. .TONIGHT...S winds 5 to 10 kt. Gusts up to 20 kt after midnight. Seas 1 to 2 ft. .WED...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. .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...SW winds 10 to 15 kt. Gusts up to 20 kt in the afternoon. Seas 2 to 3 ft. Patchy fog. A chance of showers. Vsby 1 NM or less. .THU NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers. .FRI...SW winds 10 to 15 kt with gusts up to 30 kt. Seas 2 to 4 ft. A chance of showers. .FRI NIGHT...NW winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to 4 ft. .SAT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. .SAT NIGHT...SW winds 10 to 15 kt with gusts up to 20 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. $$ ANZ234-140415- Buzzards Bay- 1045 AM EST Tue Feb 13 2018 .THIS AFTERNOON...N winds around 10 kt with gusts up to 20 kt, becoming E. Seas 2 to 3 ft. .TONIGHT...S winds 5 to 10 kt. Gusts up to 20 kt after midnight. Seas around 2 ft. .WED...SW winds 5 to 10 kt, increasing to 10 to 15 kt in the afternoon. Gusts up to 25 kt. Seas 2 to 4 ft. .WED NIGHT...SW winds 5 to 10 kt. Gusts up to 20 kt in the evening. Seas 2 to 4 ft. A chance of showers. Vsby 1 to 3 NM. .THU...SW winds 5 to 10 kt. Gusts up to 20 kt in the afternoon. Seas 2 to 3 ft. Patchy fog. A chance of showers. Vsby 1 NM or less. .THU NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers. .FRI...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. A chance of showers. .FRI NIGHT...NW winds 10 to 15 kt with gusts up to 30 kt. Seas 2 to 4 ft. .SAT...W winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 3 ft. .SAT NIGHT...SW winds 5 to 10 kt with gusts up to 20 kt. Seas around 2 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ235-140415- Rhode Island Sound- 1045 AM EST Tue Feb 13 2018 .THIS AFTERNOON...NE winds around 10 kt with gusts up to 20 kt, becoming E. Seas 2 to 4 ft. .TONIGHT...S winds 5 to 10 kt. Gusts up to 20 kt after midnight. Seas 2 to 3 ft. .WED...SW winds 10 to 15 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 2 to 4 ft. A chance of showers. Vsby 1 to 3 NM. .THU...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 NM or less. .THU NIGHT...SW winds 10 to 15 kt, diminishing to 5 to 10 kt after midnight. Seas 3 to 5 ft. A chance of showers. .FRI...SW winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to 7 ft. A chance of showers. .FRI NIGHT...NW winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to 7 ft. .SAT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. .SAT NIGHT...W winds 10 to 15 kt with gusts up to 25 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. $$ ANZ237-140415- Block Island Sound- 1045 AM EST Tue Feb 13 2018 .THIS AFTERNOON...NE winds around 10 kt with gusts up to 20 kt, becoming E. Seas 2 to 4 ft. .TONIGHT...S winds 5 to 10 kt. Gusts up to 20 kt after midnight. Seas 2 to 3 ft. .WED...SW winds 5 to 10 kt, increasing to 10 to 15 kt in the afternoon. Gusts up to 25 kt. Seas 2 to 4 ft. .WED NIGHT...SW winds 10 to 15 kt, diminishing to 5 to 10 kt after midnight. Gusts up to 25 kt. Seas 2 to 4 ft. Patchy fog. A chance of showers. Vsby 1 NM or less. .THU...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Patchy fog. A chance of showers. Vsby 1 NM or less. .THU NIGHT...SW winds 5 to 10 kt. Seas 2 to 4 ft. Showers likely. .FRI...W winds 10 to 15 kt with gusts up to 30 kt. Seas 3 to 5 ft. A chance of showers. .FRI NIGHT...NW winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to 5 ft. .SAT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. .SAT NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ230-140415- Boston Harbor- 1045 AM EST Tue Feb 13 2018 .THIS AFTERNOON...N winds 5 to 10 kt, becoming E. Waves 1 foot or less. .TONIGHT...SW winds 5 to 10 kt with gusts up to 25 kt. Waves 1 to 2 ft. .WED...SW winds around 10 kt with gusts up to 25 kt. Waves around 2 ft. .WED NIGHT...SW winds 5 to 10 kt. Gusts up to 20 kt in the evening. Waves 1 foot or less. A chance of showers. Vsby 1 to 3 NM. .THU...SW winds 5 to 10 kt. Waves 1 foot or less. .THU NIGHT...SW winds 5 to 10 kt. Waves 1 foot or less. A chance of showers. .FRI...W winds 5 to 10 kt with gusts up to 25 kt. Waves around 2 ft. A chance of showers. .FRI NIGHT...NW winds 10 to 15 kt with gusts up to 30 kt. Waves around 2 ft. .SAT...W winds 10 to 15 kt with gusts up to 20 kt. Waves 1 foot or less. .SAT NIGHT...SW winds 5 to 10 kt with gusts up to 20 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. $$ ANZ236-140415- Narragansett Bay- 1045 AM EST Tue Feb 13 2018 .THIS AFTERNOON...N winds 5 to 10 kt, becoming E. Waves 2 to 3 ft. .TONIGHT...S winds around 5 kt. Waves around 2 ft. .WED...SW winds 5 to 10 kt with gusts up to 20 kt. Waves 2 to 3 ft. .WED NIGHT...SW winds 5 to 10 kt with gusts up to 20 kt. Waves 2 to 3 ft. A chance of showers. Vsby 1 to 3 NM. .THU...SW winds 5 to 10 kt. Waves 2 to 3 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM. .THU NIGHT...SW winds 5 to 10 kt. Waves 2 to 3 ft. A chance of showers. .FRI...W winds 10 to 15 kt with gusts up to 25 kt. Waves 2 to 4 ft. A chance of showers. .FRI NIGHT...NW winds 10 to 15 kt with gusts up to 30 kt. Waves 2 to 3 ft. .SAT...W winds 5 to 10 kt with gusts up to 20 kt. Waves 2 to 3 ft. .SAT NIGHT...SW winds 5 to 10 kt with gusts up to 20 kt. Waves around 2 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ 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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