Coastal Waters Forecast
Issued by NWS Boston, MA

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000 FZUS51 KBOX 190757 CWFBOX Coastal Waters Forecast National Weather Service Taunton MA 357 AM EDT Sat Aug 19 2017 COASTAL WATERS FROM THE MERRIMACK RIVER MA TO WATCH HILL RI OUT TO 25 NM ANZ200-192015- 357 AM EDT Sat Aug 19 2017 .Synopsis for Massachusetts and Rhode Island coastal waters... A cold front will push thru the waters late today and this evening bringing mainly dry conditions after the current round of showers and thunderstorms move east this morning. High pressure will return with dry weather during Saturday night through Tuesday. A cold front will then approach the waters midweek. 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. $$ ANZ250-192015- Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- 357 AM EDT Sat Aug 19 2017 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON... .TODAY...SW winds 5 to 10 kt with gusts up to 25 kt, becoming SE this afternoon. Seas 2 to 4 ft. Patchy fog. Vsby 1 NM or less, increasing to 1 to 3 NM this afternoon. .TONIGHT...S winds 5 to 10 kt, becoming W after midnight. Seas 2 to 4 ft. Patchy fog. .SUN...W winds 5 to 10 kt. Gusts up to 20 kt in the morning. Seas 2 to 3 ft. .SUN NIGHT...W winds 5 to 10 kt. Seas around 2 ft. .MON...W winds 5 to 10 kt, becoming S in the afternoon. Seas around 2 ft. .MON NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. .TUE...SW winds 10 to 15 kt. Seas 2 to 4 ft. .TUE NIGHT...SW winds 15 to 20 kt. Seas 2 to 4 ft. A chance of showers. .WED...SW winds 15 to 20 kt. Seas 2 to 4 ft. A chance of showers. .WED NIGHT...W winds 10 to 15 kt. Seas 2 to 3 ft. A chance of showers. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ251-192015- Massachusetts Bay and Ipswich Bay- 357 AM EDT Sat Aug 19 2017 .TODAY...W winds 5 to 10 kt, becoming E this afternoon. Seas 2 to 3 ft. Patchy fog this morning. A slight chance of showers this afternoon. Vsby 1 NM or less this morning. .TONIGHT...SW winds 5 to 10 kt, becoming W after midnight. Seas 2 to 3 ft. .SUN...W winds around 5 kt. Seas around 2 ft. .SUN NIGHT...W winds around 5 kt. Seas 1 foot or less. .MON...W winds around 5 kt, becoming S in the afternoon. Seas around 2 ft. .MON NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. .TUE...SW winds 5 to 10 kt. Seas around 2 ft. .TUE NIGHT...SW winds 10 to 15 kt. Seas 2 to 3 ft. A chance of showers. .WED...SW winds 10 to 15 kt. Seas around 2 ft. A chance of showers. .WED NIGHT...NW 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. $$ ANZ231-192015- Cape Cod Bay- 357 AM EDT Sat Aug 19 2017 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 9 AM EDT THIS MORNING... .TODAY...SW winds 5 to 10 kt with gusts up to 20 kt, diminishing to around 5 kt this afternoon. Seas around 2 ft. Patchy fog this morning with vsby 1 to 3 NM. .TONIGHT...SW winds 5 to 10 kt, becoming W after midnight. Seas 1 foot or less. .SUN...W winds around 5 kt. Seas 1 foot or less. .SUN NIGHT...W winds around 5 kt. Seas 1 foot or less. .MON...NW winds around 5 kt, becoming SW in the afternoon. Seas 1 foot or less. .MON NIGHT...SW winds 5 to 10 kt. Seas 1 foot or less. .TUE...SW winds 10 to 15 kt. Seas around 2 ft. .TUE NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. A chance of showers. .WED...SW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. A chance of showers. .WED NIGHT...W winds 5 to 10 kt. Seas 1 foot or less. A chance of showers. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ254-192015- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm- 357 AM EDT Sat Aug 19 2017 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON... .TODAY...S winds 10 to 15 kt with gusts up to 25 kt, becoming SW 5 to 10 kt this afternoon. Seas 3 to 5 ft. Patchy fog. A chance of showers with a slight chance of tstms this morning. Some tstms may produce heavy rainfall this morning. Vsby 1 NM or less, increasing to 1 to 3 NM this afternoon. .TONIGHT...SW winds 10 to 15 kt, becoming W 5 to 10 kt with gusts up to 20 kt after midnight. Seas 2 to 4 ft. Patchy fog. Vsby 1 NM or less. .SUN...W winds 5 to 10 kt. Seas 2 to 4 ft. .SUN NIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft. .MON...W winds around 5 kt, becoming SW in the afternoon. Seas around 2 ft. Patchy fog. Vsby 1 to 3 NM. .MON NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. .TUE...SW winds 10 to 15 kt. Seas 2 to 4 ft. .TUE NIGHT...SW winds 15 to 20 kt. Seas 3 to 5 ft. .WED...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. A chance of showers. .WED NIGHT...W winds 10 to 15 kt. Seas 2 to 4 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. $$ ANZ255-192015- Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- 357 AM EDT Sat Aug 19 2017 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... .TODAY...SW winds 10 to 15 kt with gusts up to 25 kt, diminishing to 5 to 10 kt this afternoon. Seas 3 to 5 ft. Patchy fog. A chance of showers with a slight chance of tstms this morning. Some tstms may produce heavy rainfall this morning with vsby 1 NM or less. .TONIGHT...SW winds 5 to 10 kt. Gusts up to 20 kt after midnight. Seas 3 to 4 ft. Patchy fog. Vsby 1 to 3 NM. .SUN...W winds 5 to 10 kt. Seas around 3 ft. Patchy fog. .SUN NIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft. .MON...W winds 5 to 10 kt. Seas around 2 ft. .MON NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. .TUE...SW winds 5 to 10 kt. Seas 2 to 3 ft. .TUE NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. .WED...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 6 ft. A chance of showers. .WED NIGHT...W winds 10 to 15 kt. Seas 3 to 5 ft. A chance of showers. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ256-192015- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 357 AM EDT Sat Aug 19 2017 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... .TODAY...SW winds 5 to 10 kt. Gusts up to 20 kt this morning. Seas 4 to 5 ft. Patchy fog. A chance of showers with a slight chance of tstms this morning. Some tstms may produce heavy rainfall this morning with vsby 1 NM or less. .TONIGHT...SW winds 5 to 10 kt. Gusts up to 20 kt after midnight. Seas 3 to 4 ft. Patchy fog. .SUN...W winds 5 to 10 kt. Seas around 3 ft. .SUN NIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft. .MON...W winds 5 to 10 kt. Seas around 2 ft. .MON NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. .TUE...SW winds 10 to 15 kt. Seas 2 to 4 ft. .TUE NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 6 ft. A chance of showers. .WED...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 7 ft. A chance of showers. .WED NIGHT...NW winds 10 to 15 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. $$ ANZ232-192015- Nantucket Sound- 357 AM EDT Sat Aug 19 2017 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 9 AM EDT THIS MORNING... .TODAY...SW winds 5 to 10 kt. Gusts up to 20 kt this morning. Seas 2 to 3 ft. Patchy fog. A chance of showers with a slight chance of tstms this morning. Some tstms may produce heavy rainfall this morning. Vsby 1 NM or less, increasing to 1 to 3 NM this afternoon. .TONIGHT...SW winds 10 to 15 kt, becoming W around 5 kt after midnight. Seas 2 to 3 ft. Patchy fog. Vsby 1 to 3 NM. .SUN...W winds 5 to 10 kt. Seas 1 foot or less. .SUN NIGHT...W winds 5 to 10 kt. Seas 1 foot or less. .MON...NW winds around 5 kt, becoming SW in the afternoon. Seas 1 foot or less. .MON NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. .TUE...SW winds 10 to 15 kt. Seas around 2 ft. .TUE NIGHT...SW winds 15 to 20 kt. Seas 2 to 4 ft. .WED...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. A chance of showers. .WED NIGHT...W winds 10 to 15 kt. Seas 2 to 3 ft. A chance of showers. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ233-192015- Vineyard Sound- 357 AM EDT Sat Aug 19 2017 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 9 AM EDT THIS MORNING... .TODAY...SW winds 5 to 10 kt. Seas 2 to 3 ft. Patchy fog. A chance of showers with a slight chance of tstms this morning. Some tstms may produce heavy rainfall this morning with vsby 1 NM or less. .TONIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft. Patchy fog. .SUN...W winds 5 to 10 kt. Seas around 2 ft. .SUN NIGHT...W winds 5 to 10 kt. Seas around 2 ft. .MON...W winds 5 to 10 kt. Seas 1 foot or less. .MON NIGHT...SW winds 5 to 10 kt. Seas 1 foot or less. .TUE...SW winds 10 to 15 kt. Seas around 2 ft. .TUE NIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. A chance of showers. .WED...SW winds around 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. A chance of showers. .WED NIGHT...W winds 10 to 15 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. $$ ANZ234-192015- Buzzards Bay- 357 AM EDT Sat Aug 19 2017 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 9 AM EDT THIS MORNING... .TODAY...SW winds 5 to 10 kt. Seas 2 to 3 ft. Patchy fog this morning. A slight chance of showers with isolated tstms this morning. Some tstms may produce heavy rainfall this morning with vsby 1 to 3 NM. .TONIGHT...SW winds 5 to 10 kt. Seas around 2 ft. .SUN...W winds 5 to 10 kt. Seas 1 foot or less. .SUN NIGHT...W winds 5 to 10 kt, becoming NW after midnight. Seas 1 foot or less. .MON...W winds around 5 kt, becoming SW in the afternoon. Seas 1 foot or less. .MON NIGHT...SW winds 5 to 10 kt. Seas 1 foot or less. .TUE...SW winds 5 to 10 kt. Seas 1 foot or less. .TUE NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. A chance of showers. .WED...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. A chance of showers. .WED NIGHT...W winds 5 to 10 kt. Seas around 2 ft. A chance of showers. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ235-192015- Rhode Island Sound- 357 AM EDT Sat Aug 19 2017 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 AM EDT THIS MORNING... .TODAY...SW winds 5 to 10 kt. Seas 3 to 5 ft. Patchy fog. Vsby 1 NM or less this morning. .TONIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, becoming W 5 to 10 kt after midnight. Seas 2 to 4 ft. Patchy fog. .SUN...W winds 5 to 10 kt. Seas 2 to 3 ft. .SUN NIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft. .MON...W winds 5 to 10 kt. Seas around 2 ft. .MON NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. .TUE...SW winds 10 to 15 kt. Seas 2 to 3 ft. .TUE NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. A chance of showers. .WED...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. A chance of showers. .WED NIGHT...NW winds 10 to 15 kt. Seas 2 to 4 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. $$ ANZ237-192015- Block Island Sound- 357 AM EDT Sat Aug 19 2017 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 AM EDT THIS MORNING... .TODAY...SW winds 5 to 10 kt, increasing to 10 to 15 kt this afternoon. Seas 3 to 5 ft. Patchy fog this morning with vsby 1 to 3 NM. .TONIGHT...SW winds 10 to 15 kt, becoming W 5 to 10 kt after midnight. Seas 2 to 4 ft. .SUN...W winds 5 to 10 kt. Seas 2 to 3 ft. .SUN NIGHT...NW winds 5 to 10 kt. Seas 2 to 3 ft. .MON...W winds 5 to 10 kt. Seas around 2 ft. .MON NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. .TUE...SW winds 10 to 15 kt. Seas 2 to 3 ft. .TUE NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. A chance of showers. .WED...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. A chance of showers. .WED NIGHT...NW winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ230-192015- Boston Harbor- 357 AM EDT Sat Aug 19 2017 .TODAY...W winds around 5 kt, becoming E this afternoon. Waves 1 foot or less. Patchy fog this morning. A slight chance of showers this afternoon. Vsby 1 to 3 NM this morning. .TONIGHT...W winds around 5 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. .MON...W winds around 5 kt. Waves 1 foot or less. .MON NIGHT...SW winds around 5 kt. Waves 1 foot or less. .TUE...SW winds 5 to 10 kt. Waves 1 foot or less. .TUE NIGHT...SW winds 5 to 10 kt. Waves 1 foot or less. A chance of showers. .WED...SW winds 5 to 10 kt. Waves 1 foot or less. A chance of showers. .WED NIGHT...NW winds 5 to 10 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. $$ ANZ236-192015- Narragansett Bay- 357 AM EDT Sat Aug 19 2017 .TODAY...SW winds around 5 kt, increasing to 5 to 10 kt this afternoon. Waves 2 to 3 ft. Patchy fog this morning with vsby 1 to 3 NM. .TONIGHT...SW winds 5 to 10 kt, becoming W after midnight. Waves 2 to 3 ft. .SUN...W winds around 5 kt, increasing to 5 to 10 kt in the afternoon. Waves around 2 ft. .SUN NIGHT...W winds around 5 kt. Waves around 2 ft. .MON...W winds 5 to 10 kt. Waves around 2 ft. .MON NIGHT...SW winds 5 to 10 kt. Waves around 2 ft. .TUE...SW winds 10 to 15 kt with gusts up to 20 kt. Waves around 2 ft. .TUE NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Waves around 2 ft. A chance of showers. .WED...SW winds 10 to 15 kt with gusts up to 20 kt. Waves around 2 ft. A chance of showers. .WED NIGHT...NW winds 5 to 10 kt. Waves around 2 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ 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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