Coastal Waters Forecast
Issued by NWS Boston, MA

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000 FZUS51 KBOX 190723 CWFBOX Coastal Waters Forecast National Weather Service Boston/Norton MA 323 AM EDT Wed Jun 19 2019 Coastal waters from the Merrimack River MA to Watch Hill RI out to 25 NM ANZ200-192015- 323 AM EDT Wed Jun 19 2019 .Synopsis for Massachusetts and Rhode Island coastal waters... Low clouds and fog along with light winds will persist through early Thursday. Some improvement during Thursday prior to a sweeping cold front with showers and thunderstorms along and ahead. High pressure and westerly winds for the 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. $$ ANZ250-192015- Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- 323 AM EDT Wed Jun 19 2019 .TODAY...SE winds around 5 kt, increasing to 5 to 10 kt this afternoon. Seas around 2 ft. Patchy fog this morning with vsby 1 NM or less. .TONIGHT...SE winds 10 to 15 kt, diminishing to 5 to 10 kt after midnight. Seas around 2 ft. Patchy fog. A chance of showers. Vsby 1 NM or less. .THU...E winds 5 to 10 kt. Seas around 2 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM. .THU NIGHT...SE winds around 10 kt, becoming SW after midnight. Seas 2 to 3 ft. Patchy fog. Showers likely. Vsby 1 to 3 NM. .FRI...NW winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 4 ft. A chance of showers. .FRI NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. .SAT...NW winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 5 ft. .SAT NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. .SUN...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. .SUN NIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ251-192015- Massachusetts Bay and Ipswich Bay- 323 AM EDT Wed Jun 19 2019 .TODAY...SE winds 5 to 10 kt. Seas 1 foot or less. Patchy fog this morning with vsby 1 NM or less. .TONIGHT...SE winds 10 to 15 kt, diminishing to 5 to 10 kt after midnight. Seas around 2 ft. Patchy fog. A chance of showers. Vsby 1 NM or less. .THU...E winds 5 to 10 kt. Seas around 2 ft. Patchy fog. A chance of showers. Vsby 1 NM or less. .THU NIGHT...SE winds 5 to 10 kt, becoming N after midnight. Seas around 2 ft. Patchy fog. Showers likely with a chance of tstms. Some tstms may produce heavy rainfall. Vsby 1 to 3 NM. .FRI...NW winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 3 ft. Patchy fog. A chance of showers. .FRI NIGHT...NW winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 3 ft. .SAT...NW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. .SAT NIGHT...NW winds 10 to 15 kt with gusts up to 20 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 1 foot or less. 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. $$ ANZ231-192015- Cape Cod Bay- 323 AM EDT Wed Jun 19 2019 .TODAY...E winds around 5 kt, becoming SE this afternoon. Seas 1 foot or less. Patchy fog this morning with vsby 1 NM or less. .TONIGHT...SE winds 5 to 10 kt. Seas 1 foot or less. Patchy fog. A chance of showers. Vsby 1 NM or less. .THU...E winds 5 to 10 kt. Seas 1 foot or less. Patchy fog. A chance of showers. Vsby 1 to 3 NM. .THU NIGHT...SE winds 5 to 10 kt, becoming SW after midnight. Seas 1 foot or less. Patchy fog. Showers likely. Vsby 1 to 3 NM. .FRI...NW winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 3 ft. A chance of showers. .FRI NIGHT...NW winds 5 to 10 kt, increasing to 10 to 15 kt after midnight. Gusts up to 20 kt. Seas 2 to 3 ft. .SAT...NW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. .SAT NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .SUN...NW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. .SUN NIGHT...W winds 5 to 10 kt. Seas 1 foot or less. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ254-192015- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm- 323 AM EDT Wed Jun 19 2019 .TODAY...E winds 5 to 10 kt. Seas 2 to 3 ft. Patchy fog. A slight chance of showers this afternoon. Vsby 1 NM or less. .TONIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft. Patchy fog. A chance of showers. Vsby 1 NM or less. .THU...SE winds 5 to 10 kt. Seas 2 to 4 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM. .THU NIGHT...S winds 5 to 10 kt. Seas 2 to 4 ft. Patchy fog. Showers likely. Vsby 1 to 3 NM. .FRI...NW winds 5 to 10 kt with gusts up to 20 kt. Seas 3 to 5 ft. A chance of showers. .FRI NIGHT...NW winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 5 ft. .SAT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 6 ft. .SAT NIGHT...NW winds 10 to 15 kt. Seas 3 to 5 ft. .SUN...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. .SUN NIGHT...W winds around 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. $$ ANZ255-192015- Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- 323 AM EDT Wed Jun 19 2019 .TODAY...NE winds 5 to 10 kt, becoming SE this afternoon. Seas 2 to 3 ft. Patchy fog. A slight chance of showers this afternoon. Vsby 1 NM or less. .TONIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft. Patchy fog. A chance of showers. Vsby 1 NM or less. .THU...SE winds around 5 kt, becoming S in the afternoon. Seas 2 to 4 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM. .THU NIGHT...S winds 5 to 10 kt. Seas 3 to 5 ft. Patchy fog. Showers likely. Vsby 1 to 3 NM. .FRI...NW winds 5 to 10 kt with gusts up to 20 kt. Seas 3 to 5 ft. A chance of showers. .FRI NIGHT...NW winds 10 to 15 kt. Gusts up to 20 kt after midnight. Seas 4 to 6 ft. .SAT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 6 ft. .SAT NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 6 ft. .SUN...W winds around 10 kt with gusts up to 20 kt. Seas 3 to 5 ft. .SUN NIGHT...W winds around 10 kt with gusts up to 20 kt. Seas 2 to 4 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ256-192015- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 323 AM EDT Wed Jun 19 2019 .TODAY...NE winds around 5 kt, becoming SE this afternoon. Seas 2 to 3 ft. Patchy fog. A chance of showers this afternoon. Vsby 1 NM or less, increasing to 1 to 3 NM this afternoon. .TONIGHT...SE winds 5 to 10 kt. Seas around 3 ft. Patchy fog. A chance of showers. Vsby 1 NM or less. .THU...SE winds around 5 kt, becoming S in the afternoon. Seas 2 to 4 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM. .THU NIGHT...SW winds 5 to 10 kt. Seas 3 to 5 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM. .FRI...NW winds 5 to 10 kt with gusts up to 20 kt. Seas 4 to 5 ft. A chance of showers. .FRI NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. .SAT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. .SAT NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. .SUN...W winds around 10 kt with gusts up to 20 kt. Seas 3 to 4 ft. .SUN NIGHT...SW winds around 10 kt with gusts up to 20 kt. Seas around 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. $$ ANZ232-192015- Nantucket Sound- 323 AM EDT Wed Jun 19 2019 .TODAY...SE winds 5 to 10 kt. Seas 1 foot or less. Patchy fog. A slight chance of showers this afternoon. Vsby 1 NM or less, increasing to 1 to 3 NM this afternoon. .TONIGHT...SE winds 5 to 10 kt. Seas 1 foot or less. Patchy fog. A chance of showers. Vsby 1 NM or less. .THU...SE winds around 5 kt. Seas around 2 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM. .THU NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. Patchy fog. Showers likely. Vsby 1 to 3 NM. .FRI...NW winds 5 to 10 kt with gusts up to 25 kt. Seas 2 to 3 ft. A chance of showers. .FRI NIGHT...NW winds 5 to 10 kt, increasing to 10 to 15 kt after midnight. Gusts up to 20 kt. Seas 2 to 3 ft. .SAT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .SAT NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .SUN...W winds 5 to 10 kt. Seas around 2 ft. .SUN NIGHT...W winds 5 to 10 kt. Seas 1 foot or less. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ233-192015- Vineyard Sound- 323 AM EDT Wed Jun 19 2019 .TODAY...NE winds around 5 kt, becoming S this afternoon. Seas around 2 ft. Patchy fog. A slight chance of showers this afternoon. Vsby 1 to 3 NM. .TONIGHT...SE winds 5 to 10 kt. Seas around 2 ft. Patchy fog. A chance of showers. Vsby 1 NM or less. .THU...SE winds 5 to 10 kt. Seas 2 to 3 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM. .THU NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. Patchy fog. Showers likely. Vsby 1 to 3 NM. .FRI...NW winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 3 ft. A chance of showers. .FRI NIGHT...NW winds around 10 kt. Seas 2 to 3 ft. .SAT...NW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. .SAT NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .SUN...W winds around 10 kt with gusts up to 20 kt. Seas 2 to 3 ft. .SUN NIGHT...W 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. $$ ANZ234-192015- Buzzards Bay- 323 AM EDT Wed Jun 19 2019 .TODAY...E winds around 5 kt, becoming S this afternoon. Seas 1 foot or less. Patchy fog this morning with vsby 1 to 3 NM. .TONIGHT...SE winds 5 to 10 kt, diminishing to around 5 kt after midnight. Seas 1 foot or less. Patchy fog. A chance of showers. Vsby 1 NM or less. .THU...SE winds 5 to 10 kt. Seas around 2 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM. .THU NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Patchy fog. Showers likely. Vsby 1 NM or less. .FRI...NW winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 3 ft. A chance of showers. .FRI NIGHT...NW winds 5 to 10 kt. Gusts up to 20 kt after midnight. Seas around 2 ft. .SAT...NW winds 10 to 15 kt with gusts up to 25 kt. Seas around 2 ft. .SAT NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .SUN...W winds 5 to 10 kt with gusts up to 20 kt. Seas around 2 ft. .SUN NIGHT...W winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 3 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ235-192015- Rhode Island Sound- 323 AM EDT Wed Jun 19 2019 .TODAY...NE winds around 5 kt, becoming SE this afternoon. Seas 2 to 3 ft. Patchy fog. A slight chance of showers this afternoon. Vsby 1 NM or less, increasing to 1 to 3 NM this afternoon. .TONIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft. Patchy fog. A chance of showers. Vsby 1 NM or less. .THU...SE winds 5 to 10 kt. Seas 2 to 4 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM. .THU NIGHT...SW winds 5 to 10 kt. Seas 3 to 4 ft. Patchy fog. Showers likely. Vsby 1 to 3 NM. .FRI...NW winds 5 to 10 kt with gusts up to 20 kt. Seas around 4 ft. A chance of showers. .FRI NIGHT...NW winds 5 to 10 kt. Seas 3 to 4 ft. .SAT...NW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. .SAT NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. .SUN...W winds around 10 kt with gusts up to 20 kt. Seas 2 to 3 ft. .SUN NIGHT...W winds 5 to 10 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. $$ ANZ237-192015- Block Island Sound- 323 AM EDT Wed Jun 19 2019 .TODAY...NE winds around 5 kt, becoming SE this afternoon. Seas 2 to 3 ft. Patchy fog. A chance of showers this afternoon. Vsby 1 NM or less, increasing to 1 to 3 NM this afternoon. .TONIGHT...SE winds 5 to 10 kt. Seas around 2 ft. Patchy fog. A chance of showers. Vsby 1 NM or less. .THU...SE winds 5 to 10 kt. Seas 2 to 4 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM. .THU NIGHT...SW winds 5 to 10 kt. Seas 2 to 4 ft. Patchy fog. Showers likely with a chance of tstms. Some tstms may produce heavy rainfall. Vsby 1 to 3 NM. .FRI...NW winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 4 ft. A chance of showers. .FRI NIGHT...NW winds around 10 kt. Seas 3 to 5 ft. .SAT...NW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. .SAT NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. .SUN...W winds around 10 kt. Seas 2 to 3 ft. .SUN NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ230-192015- Boston Harbor- 323 AM EDT Wed Jun 19 2019 .TODAY...SE winds 5 to 10 kt. Waves 1 foot or less. Patchy fog this morning with vsby 1 NM or less. .TONIGHT...SE winds 5 to 10 kt. Waves 1 foot or less. Patchy fog. A chance of showers. Vsby 1 NM or less. .THU...E winds 5 to 10 kt. Waves 1 foot or less. Patchy fog. Showers likely with a chance of tstms. Some tstms may produce heavy rainfall. Vsby 1 to 3 NM. .THU NIGHT...SE winds 5 to 10 kt, becoming N after midnight. Waves 1 foot or less. Patchy fog. Showers likely with a chance of tstms. Some tstms may produce heavy rainfall. Vsby 1 to 3 NM. .FRI...NW winds 5 to 10 kt with gusts up to 20 kt. Waves around 2 ft. A chance of showers. .FRI NIGHT...NW winds 5 to 10 kt with gusts up to 20 kt. Waves around 2 ft. .SAT...NW winds 10 to 15 kt with gusts up to 25 kt. Waves around 2 ft. .SAT NIGHT...NW winds 5 to 10 kt with gusts up to 20 kt. Waves around 2 ft. .SUN...NW winds 5 to 10 kt. Waves 1 foot or less. .SUN NIGHT...W 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. $$ ANZ236-192015- Narragansett Bay- 323 AM EDT Wed Jun 19 2019 .TODAY...E winds around 5 kt, becoming S this afternoon. Waves around 2 ft. Patchy fog this morning. A slight chance of showers this afternoon. Vsby 1 NM or less this morning. .TONIGHT...SE winds 5 to 10 kt. Waves around 2 ft. Patchy fog. A chance of showers. Vsby 1 NM or less. .THU...SE winds 5 to 10 kt. Waves 2 to 3 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM. .THU NIGHT...S winds 5 to 10 kt, becoming SW after midnight. Waves 2 to 3 ft. Patchy fog. Showers likely with a chance of tstms. Some tstms may produce heavy rainfall. Vsby 1 to 3 NM. .FRI...NW winds 5 to 10 kt with gusts up to 20 kt. Waves 2 to 3 ft. A chance of showers. .FRI NIGHT...NW winds 5 to 10 kt. Waves 2 to 3 ft. .SAT...NW winds 10 to 15 kt with gusts up to 25 kt. Waves 2 to 3 ft. .SAT NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Waves 2 to 3 ft. .SUN...W winds 5 to 10 kt. Waves 2 to 3 ft. .SUN NIGHT...W winds 5 to 10 kt. Waves 2 to 3 ft. Winds and waves higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ For the latest updates...please visit our webpage at www.weather.gov/boston You can follow us on Facebook at www.facebook.com/us.nationalweatherservice.boston.gov You can follow us on Twitter at @NWSBoston

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