Coastal Waters Forecast
Issued by NWS Boston, MA

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000 FZUS51 KBOX 140753 CWFBOX Coastal Waters Forecast National Weather Service Boston/Norton MA 353 AM EDT Tue Aug 14 2018 Coastal waters from the Merrimack River MA to Watch Hill RI out to 25 NM ANZ200-142015- 353 AM EDT Tue Aug 14 2018 .Synopsis for Massachusetts and Rhode Island coastal waters... A warm front will move north across the waters today, 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. $$ ANZ250-142015- Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- 353 AM EDT Tue Aug 14 2018 .TODAY...SE winds 5 to 10 kt. Seas around 2 ft. Patchy fog. A slight chance of showers. Vsby 1 NM or less. .TONIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. Patchy fog. Vsby 1 to 3 NM. .WED...SW winds 5 to 10 kt. Seas 2 to 3 ft. .WED NIGHT...SW winds 5 to 10 kt, becoming W after midnight. Seas 2 to 3 ft. .THU...NW winds 5 to 10 kt, becoming S in the afternoon. Seas 2 to 3 ft. .THU NIGHT...S winds around 5 kt, becoming NE after midnight. Seas around 2 ft. .FRI...SE winds 5 to 10 kt. Seas around 2 ft. .FRI NIGHT...S winds 10 to 15 kt. Seas 2 to 3 ft. A chance of showers and tstms. .SAT...W winds 5 to 10 kt. Seas 2 to 4 ft. A chance of showers and tstms. .SAT NIGHT...NW winds 5 to 10 kt. Seas 3 to 5 ft. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ251-142015- Massachusetts Bay and Ipswich Bay- 353 AM EDT Tue Aug 14 2018 .TODAY...SE winds 5 to 10 kt. Seas around 2 ft. Patchy dense fog this morning, then patchy fog this afternoon. A slight chance of showers this morning, then a chance of showers this afternoon. Vsby 1 NM or less. .TONIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. Patchy fog. Vsby 1 to 3 NM. .WED...SW winds 5 to 10 kt. Seas around 2 ft. .WED NIGHT...SW winds 5 to 10 kt, becoming W after midnight. Seas 1 foot or less. .THU...NW winds around 5 kt, becoming SE in the afternoon. Seas 1 foot or less. .THU NIGHT...SE winds around 5 kt, becoming NE around 5 kt after midnight. Seas 1 foot or less. .FRI...SE winds 5 to 10 kt. Seas 1 foot or less. .FRI NIGHT...S winds 5 to 10 kt. Seas 1 foot or less. A chance of showers and tstms. .SAT...W winds 5 to 10 kt. Seas around 2 ft. A chance of showers and tstms. .SAT NIGHT...NW winds 5 to 10 kt. Seas 2 to 4 ft. 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. $$ ANZ231-142015- Cape Cod Bay- 353 AM EDT Tue Aug 14 2018 .TODAY...S winds 5 to 10 kt. Seas 1 foot or less. A slight chance of showers this morning, then a chance of showers this afternoon. Patchy dense fog this morning with vsby 1 NM or less. .TONIGHT...S winds 5 to 10 kt. Seas 1 foot or less. Patchy fog. Vsby 1 NM or less. .WED...SW winds 5 to 10 kt. Seas 1 foot or less. .WED NIGHT...W winds 5 to 10 kt. Seas 1 foot or less. .THU...NW winds 5 to 10 kt, becoming S in the afternoon. Seas 1 foot or less. .THU NIGHT...S winds around 5 kt. Seas 1 foot or less. .FRI...SE winds 5 to 10 kt. Seas 1 foot or less. .FRI NIGHT...SW winds around 10 kt. Seas 1 foot or less. A chance of showers and tstms. .SAT...SW winds 5 to 10 kt. Seas around 2 ft. A chance of showers and tstms. .SAT NIGHT...NW winds 5 to 10 kt. Seas 2 to 3 ft. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ254-142015- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm- 353 AM EDT Tue Aug 14 2018 .TODAY...S winds 5 to 10 kt. Seas 2 to 4 ft. Patchy dense fog this morning. Patchy fog this afternoon. A slight chance of showers. Vsby 1 NM or less. .TONIGHT...SW winds 5 to 10 kt. Seas 2 to 4 ft. Patchy fog. Vsby 1 NM or less. .WED...SW winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 4 ft. A chance of showers. .WED NIGHT...W winds 5 to 10 kt. Seas 2 to 4 ft. .THU...NW winds 5 to 10 kt, becoming SW in the afternoon. 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. Seas 2 to 3 ft. .FRI NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. A chance of showers and tstms. .SAT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. A chance of showers and tstms. .SAT NIGHT...NW winds 5 to 10 kt. Seas 3 to 5 ft. 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. $$ ANZ255-142015- Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- 353 AM EDT Tue Aug 14 2018 ...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH WEDNESDAY AFTERNOON... .TODAY...S winds 5 to 10 kt. Seas 3 to 5 ft. A chance of showers, mainly this morning. Patchy fog this morning. Vsby 1 NM or less, increasing to 1 to 3 NM this afternoon. .TONIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. Patchy fog. Showers likely with a chance of tstms. Vsby 1 NM or less. .WED...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. A chance of showers. .WED NIGHT...W winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt after midnight. Seas 3 to 5 ft. .THU...W winds 5 to 10 kt. Seas 3 to 5 ft. .THU NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. .FRI...SW winds 5 to 10 kt. Seas 2 to 3 ft. .FRI NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. A chance of showers and tstms. .SAT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. A chance of showers and tstms. .SAT NIGHT...NW winds 5 to 10 kt. Seas 3 to 5 ft. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ256-142015- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 353 AM EDT Tue Aug 14 2018 ...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH WEDNESDAY AFTERNOON... .TODAY...SW winds 5 to 10 kt. Seas 3 to 5 ft. A chance of showers. Patchy fog this morning with vsby 1 to 3 NM. .TONIGHT...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 NM or less. .WED...W winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. A chance of showers. .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 with gusts up to 20 kt in the afternoon. Seas 3 to 4 ft. .THU NIGHT...SW winds 5 to 10 kt. Seas around 3 ft. .FRI...SW winds 10 to 15 kt. Seas 2 to 3 ft. .FRI NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. A chance of showers and tstms. .SAT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. A chance of showers and tstms. .SAT NIGHT...NW winds 5 to 10 kt. Seas around 4 ft. 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. $$ ANZ232-142015- Nantucket Sound- 353 AM EDT Tue Aug 14 2018 .TODAY...S winds 5 to 10 kt. Seas 2 to 3 ft. Patchy fog. A chance of showers, mainly this morning. Vsby 1 NM or less, increasing to 1 to 3 NM this afternoon. .TONIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. Patchy fog. A chance of showers. Vsby 1 NM or less. .WED...SW winds 5 to 10 kt. Gusts up to 20 kt in the morning. Seas 2 to 3 ft. A chance of showers. .WED NIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft. .THU...NW winds 5 to 10 kt, becoming SW in the afternoon. Seas around 2 ft. .THU NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. .FRI...S winds 5 to 10 kt. Seas around 2 ft. .FRI NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. A chance of showers and tstms. .SAT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. A chance of showers and tstms. .SAT NIGHT...NW winds 5 to 10 kt. Seas 2 to 3 ft. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ233-142015- Vineyard Sound- 353 AM EDT Tue Aug 14 2018 .TODAY...S winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers. Patchy fog this morning with vsby 1 NM or less. .TONIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. Patchy fog. A chance of showers. Vsby 1 NM or less. .WED...W winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers. .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. Seas around 2 ft. .FRI NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. A chance of showers and tstms. .SAT...SW winds around 10 kt with gusts up to 20 kt. Seas 2 to 3 ft. A chance of showers and tstms. .SAT NIGHT...NW winds 5 to 10 kt. Seas 2 to 3 ft. 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. $$ ANZ234-142015- Buzzards Bay- 353 AM EDT Tue Aug 14 2018 .TODAY...S winds 5 to 10 kt. Seas around 2 ft. A slight chance of showers this morning, then a chance of showers this afternoon. Patchy fog this morning with vsby 1 NM or less. .TONIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM. .WED...SW winds 5 to 10 kt. Seas around 2 ft. .WED NIGHT...W winds 5 to 10 kt. Seas around 2 ft. .THU...NW winds 5 to 10 kt, becoming SW in the afternoon. Seas around 2 ft. .THU NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. .FRI...S winds 5 to 10 kt. Seas 1 foot or less. .FRI NIGHT...SW winds around 10 kt. Seas around 2 ft. A chance of showers and tstms. .SAT...SW winds around 10 kt with gusts up to 20 kt. Seas 2 to 3 ft. A chance of showers and tstms. .SAT NIGHT...NW winds 5 to 10 kt. Seas around 2 ft. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ235-142015- Rhode Island Sound- 353 AM EDT Tue Aug 14 2018 ...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH WEDNESDAY AFTERNOON... .TODAY...S winds 5 to 10 kt. Seas 2 to 4 ft. A chance of showers, mainly this morning. Patchy fog this morning with vsby 1 to 3 NM. .TONIGHT...SW winds 10 to 15 kt. Seas 3 to 5 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM. .WED...W winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas around 4 ft. .WED NIGHT...W winds 10 to 15 kt, diminishing to 5 to 10 kt after midnight. Seas 2 to 4 ft. .THU...W winds 5 to 10 kt, becoming SW 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 2 to 3 ft. .THU NIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft. .FRI...SW winds 10 to 15 kt. Seas around 2 ft. .FRI NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. A chance of showers and tstms. .SAT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. A chance of showers and tstms. .SAT NIGHT...NW winds 5 to 10 kt. Seas 2 to 4 ft. 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. $$ ANZ237-142015- Block Island Sound- 353 AM EDT Tue Aug 14 2018 .TODAY...S winds 5 to 10 kt. Seas 2 to 4 ft. A chance of showers, mainly this morning. Patchy fog this morning with vsby 1 to 3 NM. .TONIGHT...SW winds 5 to 10 kt. Seas 3 to 5 ft. A chance of showers. .WED...W winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 2 to 4 ft. .WED NIGHT...W winds 5 to 10 kt. Seas 2 to 4 ft. .THU...SW winds 5 to 10 kt. Gusts up to 20 kt in the afternoon. Seas 2 to 3 ft. .THU NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. .FRI...SW winds 5 to 10 kt. Seas around 2 ft. .FRI NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. A chance of showers and tstms. .SAT...SW winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 4 ft. A chance of showers and tstms. .SAT NIGHT...NW winds 5 to 10 kt. Seas 2 to 4 ft. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ230-142015- Boston Harbor- 353 AM EDT Tue Aug 14 2018 .TODAY...SE winds 5 to 10 kt. Waves 1 foot or less. Patchy fog. A slight chance of showers this morning, then a chance of showers this afternoon. Vsby 1 NM or less, increasing to 1 to 3 NM this afternoon. .TONIGHT...S winds 5 to 10 kt. Waves 1 foot or less. Patchy fog. Vsby 1 to 3 NM. .WED...W winds 5 to 10 kt. Waves 1 foot or less. .WED NIGHT...W winds 5 to 10 kt. Waves 1 foot or less. .THU...NW winds around 5 kt, becoming E in the afternoon. Waves 1 foot or less. .THU NIGHT...SE winds around 5 kt, becoming NE after midnight. Waves 1 foot or less. .FRI...SE winds around 5 kt. Waves 1 foot or less. A chance of showers and tstms. .FRI NIGHT...S winds around 5 kt. Waves 1 foot or less. A chance of showers and tstms. .SAT...W winds around 5 kt. Waves 1 foot or less. A chance of showers and tstms. .SAT NIGHT...NW winds around 5 kt. Waves 1 foot or less. Winds and waves 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. $$ ANZ236-142015- Narragansett Bay- 353 AM EDT Tue Aug 14 2018 .TODAY...S winds 5 to 10 kt. Waves 2 to 3 ft. A chance of showers. Patchy fog this morning with vsby 1 NM or less. .TONIGHT...SW winds 5 to 10 kt. Waves 2 to 4 ft. A chance of showers. .WED...W winds 5 to 10 kt. Waves 2 to 3 ft. .WED NIGHT...W winds 5 to 10 kt. Waves 2 to 3 ft. .THU...W winds 5 to 10 kt. Waves around 2 ft. .THU NIGHT...W winds 5 to 10 kt. Waves around 2 ft. .FRI...S winds 5 to 10 kt. Waves around 2 ft. .FRI NIGHT...SW winds 5 to 10 kt. Waves around 2 ft. A chance of showers and tstms. .SAT...SW winds 5 to 10 kt. Waves around 2 ft. A chance of showers and tstms. .SAT NIGHT...NW winds 5 to 10 kt. Waves around 2 ft. Winds and waves higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ 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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