Coastal Waters Forecast
Issued by NWS Boston, MA

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134 FZUS51 KBOX 181717 CWFBOX Coastal Waters Forecast National Weather Service Boston/Norton MA 116 PM EDT Thu Jul 18 2019 Coastal waters from the Merrimack River MA to Watch Hill RI out to 25 NM ANZ200-190600- 116 PM EDT Thu Jul 18 2019 .Synopsis for Massachusetts and Rhode Island coastal waters... The remnants of Barry will pass across the waters today, then will head offshore this evening. High pres builds across northern New England today, bringing E-NE winds across the waters. The high will move E across Nova Scotia tonight. South to southwest winds will bring increasing heat and humidity Fri and Sat. A cold front will slowly approach on Sunday, bringing a chance for showers and thunderstorms which may linger into Mon. 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. $$ ANZ250-190600- Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- 116 PM EDT Thu Jul 18 2019 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 PM EDT THIS AFTERNOON... .THIS AFTERNOON...NE winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. A chance of showers. .TONIGHT...NE winds 5 to 10 kt. Seas 2 to 4 ft. Patchy fog. Vsby 1 to 3 NM. .FRI...N winds around 5 kt, becoming S with gusts up to 20 kt in the afternoon. Seas 2 to 3 ft. .FRI NIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt in the evening. Seas 2 to 4 ft. .SAT...SW winds 5 to 10 kt. Gusts up to 20 kt in the afternoon. Seas 2 to 3 ft. .SAT NIGHT...SW winds 5 to 10 kt. Gusts up to 20 kt in the evening. Seas 2 to 3 ft. .SUN...SW winds 5 to 10 kt. Seas around 2 ft. .SUN NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers. .MON...NW winds 5 to 10 kt. Seas around 2 ft. A chance of showers. Vsby 1 to 3 NM. .MON NIGHT...W winds 5 to 10 kt. Seas 1 foot or less. A chance of showers. Vsby 1 to 3 NM. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ251-190600- Massachusetts Bay and Ipswich Bay- 116 PM EDT Thu Jul 18 2019 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 PM EDT THIS AFTERNOON... .THIS AFTERNOON...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. A chance of showers. .TONIGHT...NE winds 5 to 10 kt, diminishing to around 5 kt after midnight. Seas 2 to 3 ft. Patchy fog. Vsby 1 to 3 NM. .FRI...N winds around 5 kt, becoming S in the afternoon. Seas around 2 ft. .FRI NIGHT...SW winds 5 to 10 kt. Gusts up to 20 kt in the evening. Seas 2 to 3 ft. .SAT...SW winds 5 to 10 kt. Gusts up to 20 kt in the afternoon. Seas 1 foot or less. .SAT NIGHT...W winds 5 to 10 kt. Seas 1 foot or less. .SUN...SW winds 5 to 10 kt. Seas around 2 ft. .SUN NIGHT...W winds 5 to 10 kt. Seas around 2 ft. A chance of showers. Vsby 1 to 3 NM. .MON...N winds around 5 kt. Seas 1 foot or less. A chance of showers. Vsby 1 to 3 NM. .MON NIGHT...W winds around 5 kt. Seas 1 foot or less. Patchy fog. 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. $$ ANZ231-190600- Cape Cod Bay- 116 PM EDT Thu Jul 18 2019 .THIS AFTERNOON...NE winds 5 to 10 kt with gusts up to 20 kt. Seas around 2 ft. A chance of showers. Vsby 1 to 3 NM. .TONIGHT...NE winds 5 to 10 kt. Seas around 2 ft. Patchy fog. A chance of showers. Vsby 1 NM or less. .FRI...N winds around 5 kt, becoming S in the afternoon. Seas 1 foot or less. .FRI NIGHT...SW winds 5 to 10 kt. Gusts up to 20 kt in the evening. Seas around 2 ft. .SAT...SW winds 5 to 10 kt. Gusts up to 20 kt in the afternoon. Seas 1 foot or less. .SAT NIGHT...SW winds 5 to 10 kt. Gusts up to 20 kt in the evening. Seas around 2 ft. .SUN...SW winds 5 to 10 kt. Seas around 2 ft. .SUN NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. A chance of showers. Vsby 1 to 3 NM. .MON...NW winds around 5 kt. Seas 1 foot or less. A chance of showers. Vsby 1 to 3 NM. .MON NIGHT...W winds around 5 kt. Seas 1 foot or less. Patchy fog. A chance of showers. Vsby 1 to 3 NM. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ254-190600- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm- 116 PM EDT Thu Jul 18 2019 .THIS AFTERNOON...E winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 3 ft. Patchy fog. A chance of showers. Vsby 1 NM or less. .TONIGHT...E winds 5 to 10 kt, becoming NE after midnight. Seas 2 to 3 ft. Patchy fog. A chance of showers. Vsby 1 NM or less. .FRI...N winds around 5 kt, becoming SW in the afternoon. Seas 2 to 4 ft. .FRI NIGHT...SW winds 5 to 10 kt with gusts up to 20 kt, increasing to 10 to 15 kt after midnight. Seas 2 to 4 ft. .SAT...SW winds 5 to 10 kt. Gusts up to 25 kt in the afternoon. Seas 2 to 4 ft. .SAT NIGHT...SW winds 5 to 10 kt. Gusts up to 20 kt in the evening. Seas 2 to 4 ft. .SUN...SW winds 5 to 10 kt. Seas 2 to 4 ft. .SUN NIGHT...SW winds 5 to 10 kt. Seas 2 to 4 ft. A chance of showers. .MON...W winds 5 to 10 kt. Seas 2 to 4 ft. A chance of showers. Vsby 1 to 3 NM. .MON NIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft. Patchy fog. 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. $$ ANZ255-190600- Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- 116 PM EDT Thu Jul 18 2019 .THIS AFTERNOON...SE winds around 5 kt. Seas 2 to 3 ft. Patchy fog. A chance of showers. Vsby 1 NM or less. .TONIGHT...E winds around 5 kt, becoming NE after midnight. Seas 2 to 3 ft. Patchy fog. A chance of showers. Vsby 1 NM or less. .FRI...N winds around 5 kt, becoming SW in the afternoon. Seas 2 to 4 ft. Patchy fog. Vsby 1 NM or less. .FRI NIGHT...SW winds 5 to 10 kt. Seas 3 to 5 ft. .SAT...SW winds around 10 kt. Gusts up to 25 kt in the afternoon. Seas 2 to 4 ft. .SAT NIGHT...SW winds 5 to 10 kt. Gusts up to 20 kt in the evening. Seas 3 to 4 ft. .SUN...SW winds 5 to 10 kt. Seas 2 to 4 ft. .SUN NIGHT...SW winds 5 to 10 kt. Seas 2 to 4 ft. A chance of showers. .MON...W winds 5 to 10 kt. Seas 2 to 4 ft. A chance of showers. .MON NIGHT...W winds around 5 kt. Seas 2 to 4 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ256-190600- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 116 PM EDT Thu Jul 18 2019 .THIS AFTERNOON...NE winds 5 to 10 kt. Seas around 3 ft. Patchy fog. A chance of showers. Vsby 1 NM or less. .TONIGHT...NE winds 5 to 10 kt. Seas around 3 ft. Patchy fog. A chance of showers. Vsby 1 NM or less. .FRI...N winds around 5 kt, becoming SW with gusts up to 20 kt in the afternoon. Seas 2 to 4 ft. .FRI NIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt in the evening. Seas 3 to 4 ft. .SAT...W winds 5 to 10 kt, becoming SW 10 to 15 kt with gusts up to 25 kt in the afternoon. Seas 2 to 4 ft. .SAT NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, becoming W 5 to 10 kt after midnight. Seas 3 to 4 ft. .SUN...SW winds 5 to 10 kt. Seas 3 to 4 ft. .SUN NIGHT...SW winds 5 to 10 kt. Seas 3 to 4 ft. A chance of showers. .MON...W winds 5 to 10 kt. Seas 2 to 4 ft. A chance of showers. Vsby 1 to 3 NM. .MON NIGHT...W winds around 5 kt. Seas 2 to 4 ft. Patchy fog. 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. $$ ANZ232-190600- Nantucket Sound- 116 PM EDT Thu Jul 18 2019 .THIS AFTERNOON...E winds around 5 kt. Seas around 2 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM. .TONIGHT...NE winds around 5 kt. Seas around 2 ft. Patchy fog. A chance of showers. Vsby 1 NM or less. .FRI...N winds around 5 kt, becoming SW in the afternoon. Seas 1 foot or less. .FRI NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. .SAT...SW winds 5 to 10 kt. Gusts up to 25 kt in the afternoon. Seas 2 to 3 ft. .SAT NIGHT...SW winds 5 to 10 kt. Gusts up to 20 kt in the evening. Seas 2 to 3 ft. .SUN...SW winds 5 to 10 kt. Seas 2 to 3 ft. .SUN NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers. Vsby 1 to 3 NM. .MON...W winds 5 to 10 kt. Seas around 2 ft. A chance of showers. Vsby 1 to 3 NM. .MON NIGHT...W winds around 5 kt. Seas around 2 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ233-190600- Vineyard Sound- 116 PM EDT Thu Jul 18 2019 .THIS AFTERNOON...NE winds around 5 kt. Seas around 2 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM. .TONIGHT...NE winds around 5 kt. Seas around 2 ft. Patchy fog. A chance of showers. Vsby 1 NM or less. .FRI...N winds around 5 kt, becoming SW in the afternoon. Seas around 2 ft. .FRI NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. .SAT...SW winds 5 to 10 kt. Gusts up to 25 kt in the afternoon. Seas 2 to 3 ft. .SAT NIGHT...SW winds 5 to 10 kt. Gusts up to 20 kt in the evening. Seas 2 to 3 ft. .SUN...SW winds 5 to 10 kt. Seas around 2 ft. .SUN NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. A chance of showers. Vsby 1 to 3 NM. .MON...SW winds around 5 kt. Seas around 2 ft. A chance of showers. Vsby 1 to 3 NM. .MON NIGHT...W winds around 5 kt. Seas around 2 ft. Patchy fog. 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. $$ ANZ234-190600- Buzzards Bay- 116 PM EDT Thu Jul 18 2019 .THIS AFTERNOON...NE winds around 5 kt. Seas around 2 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM. .TONIGHT...NE winds around 5 kt. Seas around 2 ft. Patchy fog. Vsby 1 NM or less. .FRI...NW winds around 5 kt, becoming SW with gusts up to 20 kt in the afternoon. Seas around 2 ft. .FRI NIGHT...SW winds 5 to 10 kt. Gusts up to 20 kt in the evening. Seas around 2 ft. .SAT...SW winds 5 to 10 kt. Gusts up to 25 kt in the afternoon. Seas around 2 ft. .SAT NIGHT...SW winds 5 to 10 kt. Gusts up to 20 kt in the evening. Seas around 2 ft. .SUN...SW winds 5 to 10 kt. Seas around 2 ft. .SUN NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. A chance of showers. Vsby 1 to 3 NM. .MON...SW winds around 5 kt. Seas around 2 ft. A chance of showers. Vsby 1 to 3 NM. .MON NIGHT...W winds around 5 kt. Seas around 2 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ235-190600- Rhode Island Sound- 116 PM EDT Thu Jul 18 2019 .THIS AFTERNOON...NE winds 5 to 10 kt. Seas around 2 ft. Patchy fog. A chance of showers. Vsby 1 NM or less. .TONIGHT...NE winds 5 to 10 kt. Seas around 2 ft. Patchy fog. Vsby 1 NM or less. .FRI...N winds around 5 kt, becoming SW with gusts up to 20 kt in the afternoon. Seas 2 to 3 ft. .FRI NIGHT...SW winds 5 to 10 kt. Gusts up to 20 kt in the evening. Seas 2 to 3 ft. .SAT...W winds 5 to 10 kt, becoming SW 10 to 15 kt with gusts up to 25 kt in the afternoon. Seas 2 to 3 ft. .SAT NIGHT...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. .SUN...SW winds 5 to 10 kt. Seas 2 to 3 ft. .SUN NIGHT...SW winds 5 to 10 kt. Seas 2 to 4 ft. A chance of showers. Vsby 1 to 3 NM. .MON...SW winds around 5 kt. Seas 2 to 3 ft. A chance of showers. Vsby 1 to 3 NM. .MON NIGHT...W winds around 5 kt. Seas 2 to 3 ft. Patchy fog. 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. $$ ANZ237-190600- Block Island Sound- 116 PM EDT Thu Jul 18 2019 .THIS AFTERNOON...E winds 5 to 10 kt. Seas around 2 ft. Patchy fog. A chance of showers. Vsby 1 NM or less. .TONIGHT...NE winds 5 to 10 kt. Seas 2 to 3 ft. Patchy fog. Vsby 1 NM or less. .FRI...N winds around 5 kt, becoming SW with gusts up to 20 kt in the afternoon. Seas 2 to 3 ft. .FRI NIGHT...SW winds 5 to 10 kt. Gusts up to 20 kt in the evening. Seas 2 to 3 ft. .SAT...W winds 5 to 10 kt, becoming SW 10 to 15 kt with gusts up to 25 kt in the afternoon. Seas 2 to 3 ft. .SAT NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, becoming W 5 to 10 kt after midnight. Seas 2 to 4 ft. .SUN...SW winds 5 to 10 kt. Seas 2 to 3 ft. .SUN NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers. Vsby 1 to 3 NM. .MON...SW winds around 5 kt. Seas 2 to 3 ft. A chance of showers. Vsby 1 to 3 NM. .MON NIGHT...W winds around 5 kt. Seas 2 to 3 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ230-190600- Boston Harbor- 116 PM EDT Thu Jul 18 2019 .THIS AFTERNOON...NE winds 5 to 10 kt with gusts up to 20 kt. Waves around 2 ft. A chance of showers. .TONIGHT...NE winds 5 to 10 kt. Waves 1 foot or less. A chance of showers. .FRI...NE winds around 5 kt, becoming S around 5 kt in the afternoon. Waves 1 foot or less. .FRI NIGHT...SW winds 5 to 10 kt. Waves 1 foot or less. .SAT...SW winds around 5 kt. Gusts up to 20 kt in the afternoon. Waves 1 foot or less. .SAT NIGHT...W winds around 5 kt. Waves 1 foot or less. .SUN...SW winds around 5 kt. Waves 1 foot or less. .SUN NIGHT...W winds around 5 kt. Waves 1 foot or less. A chance of showers. Vsby 1 to 3 NM. .MON...N winds around 5 kt. Waves 1 foot or less. A chance of showers. Vsby 1 to 3 NM. .MON NIGHT...W winds around 5 kt. Waves 1 foot or less. 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. $$ ANZ236-190600- Narragansett Bay- 116 PM EDT Thu Jul 18 2019 .THIS AFTERNOON...NE winds around 5 kt. Waves around 2 ft. Patchy fog. A chance of showers. .TONIGHT...NE winds around 5 kt. Waves around 2 ft. Patchy fog. Vsby 1 NM or less. .FRI...NW winds around 5 kt, becoming SW in the afternoon. Waves 2 to 3 ft. .FRI NIGHT...SW winds 5 to 10 kt. Waves around 2 ft. .SAT...SW winds 5 to 10 kt. Gusts up to 20 kt in the afternoon. Waves around 2 ft. .SAT NIGHT...SW winds 5 to 10 kt. Gusts up to 20 kt in the evening. Waves around 2 ft. .SUN...SW winds 5 to 10 kt. Waves around 2 ft. .SUN NIGHT...SW winds 5 to 10 kt. Waves around 2 ft. A chance of showers. Vsby 1 to 3 NM. .MON...W winds around 5 kt. Waves around 2 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM. .MON NIGHT...W winds around 5 kt. Waves around 2 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ 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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