Coastal Waters Forecast
Issued by NWS Boston, MA

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000 FZUS51 KBOX 141929 CWFBOX Coastal Waters Forecast National Weather Service Boston/Norton MA 329 PM EDT Tue Aug 14 2018 Coastal waters from the Merrimack River MA to Watch Hill RI out to 25 NM ANZ200-150815- 329 PM EDT Tue Aug 14 2018 .Synopsis for Massachusetts and Rhode Island coastal waters... A warm front will move north across the waters this afternoon, followed by a cool front passing from west to east Wed evening. Weak high pressure will attempt to build over the region Thu. Another cold front will approach the waters from the west late Fri and Sat. 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. $$ ANZ250-150815- Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- 329 PM EDT Tue Aug 14 2018 .TONIGHT...S winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 3 ft. Patchy fog. Vsby 1 NM or less, increasing to 1 to 3 NM after midnight. .WED...SW winds 5 to 10 kt, diminishing to around 5 kt in the afternoon. Seas 2 to 3 ft. .WED NIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft. .THU...NW winds 5 to 10 kt, becoming S in the afternoon. Seas 2 to 3 ft. .THU NIGHT...SE winds 5 to 10 kt. Seas around 2 ft. Patchy fog. Vsby 1 to 3 NM. .FRI...SE winds 5 to 10 kt. Gusts up to 20 kt in the afternoon. Seas 2 to 3 ft. A chance of showers. .FRI NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. A chance of showers. .SAT...SW winds 5 to 10 kt. Seas 3 to 5 ft. A chance of showers. .SAT NIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. A chance of showers. .SUN...NE winds 10 to 15 kt. Seas 3 to 5 ft. .SUN NIGHT...NE winds 5 to 10 kt. Seas 3 to 5 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ251-150815- Massachusetts Bay and Ipswich Bay- 329 PM EDT Tue Aug 14 2018 .TONIGHT...S winds 5 to 10 kt. Gusts up to 20 kt this evening. Seas 2 to 3 ft. Patchy fog after midnight. Isolated showers after midnight with vsby 1 to 3 NM. .WED...S winds around 5 kt. Seas around 2 ft. .WED NIGHT...SW winds around 5 kt, becoming W after midnight. Seas around 2 ft. .THU...NW winds 5 to 10 kt, becoming S in the afternoon. Seas 1 foot or less. .THU NIGHT...S winds around 5 kt, becoming E after midnight. Seas 1 foot or less. Patchy fog. Vsby 1 to 3 NM. .FRI...SE winds 5 to 10 kt. Seas 1 foot or less. A chance of showers. .FRI NIGHT...S winds 5 to 10 kt. Seas around 2 ft. A chance of showers. .SAT...W winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers. Vsby 1 to 3 NM. .SAT NIGHT...N winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers. .SUN...NE winds 5 to 10 kt. Seas 2 to 4 ft. .SUN 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. $$ ANZ231-150815- Cape Cod Bay- 329 PM EDT Tue Aug 14 2018 .TONIGHT...S winds 5 to 10 kt. Gusts up to 20 kt this evening. Seas around 2 ft. Isolated showers after midnight. .WED...SW winds 5 to 10 kt, diminishing to around 5 kt in the afternoon. Seas 1 foot or less. .WED NIGHT...SW winds around 5 kt. Seas 1 foot or less. .THU...W winds around 5 kt, becoming SW in the afternoon. Seas 1 foot or less. .THU NIGHT...SW winds around 5 kt. Seas 1 foot or less. .FRI...S winds 5 to 10 kt. Gusts up to 20 kt in the afternoon. Seas around 2 ft. A chance of showers. .FRI NIGHT...SW winds around 10 kt with gusts up to 20 kt. Seas 1 foot or less. A chance of showers. .SAT...SW winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers. .SAT NIGHT...N winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers. .SUN...NE winds 5 to 10 kt. Seas 2 to 3 ft. .SUN NIGHT...NE winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers. Vsby 1 to 3 NM. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ254-150815- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm- 329 PM EDT Tue Aug 14 2018 .TONIGHT...S winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 4 ft. Patchy fog. Isolated showers after midnight. Vsby 1 NM or less, increasing to 1 to 3 NM after midnight. .WED...SW winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 4 ft. .WED NIGHT...W winds 5 to 10 kt. Gusts up to 20 kt in the evening. Seas 2 to 4 ft. .THU...W winds 5 to 10 kt. Seas 2 to 4 ft. .THU NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. .FRI...S winds 5 to 10 kt. Gusts up to 20 kt in the afternoon. Seas 2 to 4 ft. A chance of showers. .FRI NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. A chance of showers. .SAT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. A chance of showers. .SAT NIGHT...N winds 5 to 10 kt. Seas 3 to 5 ft. A chance of showers. .SUN...NE winds around 10 kt. Seas 4 to 6 ft. .SUN NIGHT...NE winds 5 to 10 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. $$ ANZ255-150815- Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- 329 PM EDT Tue Aug 14 2018 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY AFTERNOON... .TONIGHT...SW winds 5 to 10 kt, increasing to 10 to 15 kt after midnight. Gusts up to 25 kt. Seas 4 to 6 ft. Isolated showers this evening, then scattered showers after midnight. .WED...W winds 10 to 15 kt with gusts up to 25 kt. Seas 4 to 6 ft. Scattered showers. .WED NIGHT...W winds 10 to 15 kt, diminishing to 5 to 10 kt after midnight. Gusts up to 25 kt. Seas 4 to 6 ft. .THU...W winds 5 to 10 kt. Seas 2 to 4 ft. .THU NIGHT...SW winds 5 to 10 kt. Seas 2 to 4 ft. .FRI...SW winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 2 to 4 ft. A chance of showers. .FRI NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. A chance of showers. .SAT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. A chance of showers. .SAT NIGHT...NW winds around 10 kt. Seas 3 to 5 ft. A chance of showers. .SUN...NE winds around 10 kt. Seas 3 to 5 ft. .SUN NIGHT...NE winds 5 to 10 kt. Seas 3 to 5 ft. A chance of showers. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ256-150815- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 329 PM EDT Tue Aug 14 2018 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY AFTERNOON... .TONIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 4 to 6 ft. Scattered showers. Isolated tstms this evening. Some tstms may produce heavy rainfall this evening. .WED...W winds 10 to 15 kt with gusts up to 25 kt. Seas 4 to 6 ft. .WED NIGHT...W winds 10 to 15 kt, diminishing to 5 to 10 kt after midnight. Gusts up to 25 kt. Seas 3 to 5 ft. .THU...W winds 5 to 10 kt, becoming SW 10 to 15 kt in the afternoon. Seas 3 to 4 ft. .THU NIGHT...SW winds 10 to 15 kt, diminishing to 5 to 10 kt after midnight. Seas 3 to 4 ft. .FRI...SW winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 2 to 4 ft. A chance of showers. Vsby 1 to 3 NM. .FRI NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. A chance of showers. .SAT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft. A chance of showers. .SAT NIGHT...N winds 5 to 10 kt. Seas 2 to 4 ft. .SUN...NE winds 5 to 10 kt. Seas 3 to 5 ft. .SUN NIGHT...NE winds 5 to 10 kt. Seas 3 to 5 ft. A chance of showers. Winds and seas higher in and near tstms. 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. $$ ANZ232-150815- Nantucket Sound- 329 PM EDT Tue Aug 14 2018 .TONIGHT...SW winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 3 ft. Isolated showers this evening, then scattered showers after midnight. .WED...SW winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 3 ft. Scattered showers. .WED NIGHT...W winds 5 to 10 kt. Gusts up to 20 kt in the evening. Seas 2 to 3 ft. .THU...W winds 5 to 10 kt. Seas around 2 ft. .THU NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. .FRI...SW winds 5 to 10 kt, becoming S 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 2 to 3 ft. A chance of showers. .FRI NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. A chance of showers. .SAT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. A chance of showers. .SAT NIGHT...N winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers. .SUN...NE winds around 10 kt. Seas 2 to 3 ft. .SUN NIGHT...NE winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers. Vsby 1 to 3 NM. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ233-150815- Vineyard Sound- 329 PM EDT Tue Aug 14 2018 .TONIGHT...SW winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 4 ft. Isolated showers this evening, then scattered showers after midnight. .WED...SW winds 10 to 15 kt. Gusts up to 20 kt in the morning. Seas 2 to 4 ft. .WED NIGHT...W winds 5 to 10 kt. Gusts up to 20 kt in the evening. Seas 2 to 4 ft. .THU...W winds 5 to 10 kt. Seas 2 to 3 ft. .THU NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. .FRI...SW winds 5 to 10 kt, becoming S 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 2 to 3 ft. A chance of showers. .FRI NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. A chance of showers. .SAT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. A chance of showers. .SAT NIGHT...N winds around 10 kt. Seas around 2 ft. .SUN...NE winds around 10 kt. Seas around 2 ft. .SUN NIGHT...NE winds 5 to 10 kt. Seas around 2 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. $$ ANZ234-150815- Buzzards Bay- 329 PM EDT Tue Aug 14 2018 .TONIGHT...SW winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 3 ft. Isolated showers. .WED...SW winds 5 to 10 kt. Gusts up to 20 kt in the morning. Seas 2 to 3 ft. .WED NIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft. .THU...W winds 5 to 10 kt. Seas around 2 ft. .THU NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. .FRI...S winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas around 2 ft. A chance of showers. .FRI NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. A chance of showers. .SAT...SW winds around 10 kt. Seas around 2 ft. A chance of showers. .SAT NIGHT...N winds 5 to 10 kt. Seas around 2 ft. .SUN...NE winds 5 to 10 kt. Seas around 2 ft. .SUN NIGHT...NE winds 5 to 10 kt. Seas around 2 ft. A chance of showers. Vsby 1 to 3 NM. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ235-150815- Rhode Island Sound- 329 PM EDT Tue Aug 14 2018 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY AFTERNOON... .TONIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 5 ft. Isolated showers. Isolated tstms this evening. Some tstms may produce heavy rainfall this evening. .WED...W winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. .WED NIGHT...W winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt after midnight. Seas 3 to 5 ft. .THU...W winds 5 to 10 kt, becoming SW 10 to 15 kt in the afternoon. Seas 2 to 3 ft. .THU NIGHT...SW winds 10 to 15 kt, becoming W 5 to 10 kt after midnight. Seas 2 to 3 ft. .FRI...SW winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 2 to 4 ft. A chance of showers. .FRI NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. A chance of showers. .SAT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. A chance of showers. .SAT NIGHT...N winds 5 to 10 kt. Seas 2 to 3 ft. .SUN...NE winds around 10 kt. Seas 2 to 4 ft. .SUN NIGHT...NE winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers. Winds and seas higher in and near tstms. 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. $$ ANZ237-150815- Block Island Sound- 329 PM EDT Tue Aug 14 2018 .TONIGHT...SW winds 5 to 10 kt with gusts up to 20 kt. Seas 3 to 5 ft. Scattered showers with isolated tstms this evening, then isolated showers after midnight. Some tstms may produce heavy rainfall this evening. .WED...W winds 5 to 10 kt. Gusts up to 20 kt in the afternoon. Seas 3 to 5 ft. .WED NIGHT...W winds 5 to 10 kt. Gusts up to 20 kt in the evening. Seas 2 to 4 ft. .THU...W winds 5 to 10 kt. Seas 2 to 3 ft. .THU NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. .FRI...SW winds 5 to 10 kt, becoming S 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 2 to 3 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM. .FRI NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. A chance of showers. .SAT...SW winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 3 ft. A chance of showers. .SAT NIGHT...N winds 5 to 10 kt. Seas 2 to 3 ft. .SUN...NE winds 5 to 10 kt. Seas 2 to 4 ft. .SUN NIGHT...NE winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers. Vsby 1 to 3 NM. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ230-150815- Boston Harbor- 329 PM EDT Tue Aug 14 2018 .TONIGHT...S winds around 5 kt. Waves 1 foot or less. Patchy fog after midnight. Isolated showers after midnight with vsby 1 to 3 NM. .WED...W winds around 5 kt. Waves 1 foot or less. .WED NIGHT...W winds around 5 kt. Waves 1 foot or less. .THU...NW winds around 5 kt, becoming SW in the afternoon. Waves 1 foot or less. .THU NIGHT...S winds around 5 kt, becoming NW after midnight. Waves 1 foot or less. .FRI...E winds around 5 kt, becoming S in the afternoon. Waves 1 foot or less. A chance of showers. .FRI NIGHT...SW winds 5 to 10 kt. Waves 1 foot or less. A chance of showers. Vsby 1 to 3 NM. .SAT...W winds around 5 kt. Waves 1 foot or less. A chance of showers. Vsby 1 to 3 NM. .SAT NIGHT...N winds around 5 kt. Waves 1 foot or less. A chance of showers. Vsby 1 to 3 NM. .SUN...NE winds around 5 kt. Waves 1 foot or less. .SUN NIGHT...NE winds around 5 kt. Waves 1 foot or less. Patchy fog. 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. $$ ANZ236-150815- Narragansett Bay- 329 PM EDT Tue Aug 14 2018 .TONIGHT...SW winds 5 to 10 kt. Waves 2 to 4 ft. Isolated showers. .WED...W winds 5 to 10 kt. Waves 2 to 3 ft. .WED NIGHT...W winds 5 to 10 kt. Waves 2 to 3 ft. .THU...W winds 5 to 10 kt. Waves 2 to 3 ft. .THU NIGHT...SW winds 5 to 10 kt. Waves around 2 ft. .FRI...S winds 5 to 10 kt. Gusts up to 20 kt in the afternoon. Waves around 2 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM. .FRI NIGHT...SW winds 5 to 10 kt. Gusts up to 20 kt in the evening. Waves 2 to 3 ft. A chance of showers. .SAT...W winds 5 to 10 kt. Waves around 2 ft. A chance of showers. .SAT NIGHT...N winds 5 to 10 kt. Waves around 2 ft. .SUN...NE winds 5 to 10 kt. Waves around 2 ft. .SUN NIGHT...NE winds around 5 kt. Waves around 2 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ 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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