Coastal Waters Forecast
Issued by NWS Boston, MA

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000 FZUS51 KBOX 301716 CWFBOX Coastal Waters Forecast for Massachusetts and Rhode Island National Weather Service Boston/Norton MA 116 PM EDT Sat May 30 2020 Coastal waters from the Merrimack River MA to Watch Hill RI out to 25 NM ANZ200-310600- 116 PM EDT Sat May 30 2020 .Synopsis for Massachusetts and Rhode Island coastal waters... A cold front crossing New England will move over the waters this afternoon. With the cold frontal passage the winds will shift out of the northwest. High pressure from the Great Lakes will bring cooler drier air Sunday and Monday. Gusty northwest winds move across the waters on Sunday. Showers return 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. $$ ANZ250-310600- Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- 116 PM EDT Sat May 30 2020 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 PM EDT THIS AFTERNOON... .THIS AFTERNOON...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. .TONIGHT...SW winds 5 to 10 kt, becoming W 10 to 15 kt with gusts up to 20 kt after midnight. Seas 2 to 3 ft. .SUN...NW winds 15 to 20 kt, diminishing to 10 to 15 kt in the afternoon. Seas 3 to 5 ft. .SUN NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. .MON...NW winds 5 to 10 kt, becoming SW in the afternoon. Seas 2 to 4 ft. .MON NIGHT...W winds 5 to 10 kt. Seas 2 to 4 ft. .TUE...SW winds 5 to 10 kt. Seas 2 to 4 ft. .TUE NIGHT AND WED...SW winds 10 to 15 kt, becoming S 5 to 10 kt. Seas 2 to 4 ft. A chance of showers. .WED NIGHT...SW winds 5 to 10 kt. Seas 3 to 5 ft. A chance of showers. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ251-310600- Massachusetts Bay and Ipswich Bay- 116 PM EDT Sat May 30 2020 .THIS AFTERNOON...SW winds 5 to 10 kt. Seas 2 to 3 ft. .TONIGHT...SW winds around 5 kt, becoming W 10 to 15 kt with gusts up to 20 kt after midnight. Seas 2 to 3 ft. .SUN...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .SUN NIGHT...NW winds 10 to 15 kt. Gusts up to 20 kt in the evening. Seas 2 to 3 ft. .MON...NW winds 5 to 10 kt, becoming SE in the afternoon. Seas 2 to 3 ft. .MON NIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft. .TUE...SW winds 5 to 10 kt. Seas 2 to 3 ft. .TUE NIGHT THROUGH WED NIGHT...SW 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. $$ ANZ231-310600- Cape Cod Bay- 116 PM EDT Sat May 30 2020 .THIS AFTERNOON...SW winds 5 to 10 kt. Seas 1 foot or less. .TONIGHT...W winds 5 to 10 kt. Seas 1 foot or less. .SUN...NW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. .SUN NIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .MON AND MON NIGHT...NW winds 5 to 10 kt. Seas around 2 ft. .TUE...SW winds 5 to 10 kt. Seas 2 to 3 ft. .TUE NIGHT THROUGH WED NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ254-310600- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm- 116 PM EDT Sat May 30 2020 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT... .THIS AFTERNOON...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. Patchy dense fog. Vsby 1 NM or less. .TONIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, becoming W 5 to 10 kt after midnight. Seas 3 to 5 ft. Patchy fog. Vsby 1 NM or less. .SUN...NW winds 15 to 20 kt, becoming N 10 to 15 kt in the afternoon. Gusts up to 25 kt. Seas 3 to 5 ft. .SUN NIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. .MON...NW winds 10 to 15 kt, becoming W 5 to 10 kt in the afternoon. Seas 3 to 5 ft. .MON NIGHT...W winds 5 to 10 kt. Seas 2 to 4 ft. .TUE...W winds 5 to 10 kt. Seas 2 to 4 ft. .TUE NIGHT THROUGH WED NIGHT...SW winds 10 to 15 kt. Seas 4 to 6 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. $$ ANZ255-310600- Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- 116 PM EDT Sat May 30 2020 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT... .THIS AFTERNOON...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 5 ft. Patchy dense fog. Vsby 1 NM or less. .TONIGHT...SW winds 10 to 15 kt, becoming W 5 to 10 kt after midnight. Gusts up to 20 kt. Seas 3 to 5 ft. Patchy fog. Vsby 1 NM or less. .SUN...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. .SUN NIGHT...N winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt after midnight. Seas 2 to 4 ft. .MON AND MON NIGHT...NW winds 10 to 15 kt. Seas 2 to 4 ft. .TUE...W winds 5 to 10 kt. Seas 2 to 4 ft. .TUE NIGHT AND WED...SW winds 10 to 15 kt, diminishing to 5 to 10 kt. Seas 4 to 6 ft. A chance of showers. .WED NIGHT...SW winds 5 to 10 kt. Seas 5 to 8 ft. A chance of showers. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ256-310600- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 116 PM EDT Sat May 30 2020 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT... .THIS AFTERNOON...SW winds around 10 kt with gusts up to 20 kt. Seas around 5 ft. Patchy fog. Vsby 1 NM or less. .TONIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. .SUN...NW winds 10 to 15 kt. Gusts up to 20 kt in the morning. Seas 3 to 5 ft. .SUN NIGHT...N winds 10 to 15 kt. Seas 3 to 4 ft. .MON...NW winds 5 to 10 kt, becoming W 10 to 15 kt in the afternoon. Seas 2 to 4 ft. .MON NIGHT...W winds 10 to 15 kt, becoming NW 5 to 10 kt after midnight. Seas 2 to 4 ft. .TUE...W winds 5 to 10 kt. Seas 3 to 4 ft. .TUE NIGHT AND WED...SW winds 10 to 15 kt, diminishing to 5 to 10 kt. Seas 4 to 6 ft. A chance of showers. .WED NIGHT...SW winds 5 to 10 kt. Seas 5 to 8 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. $$ ANZ232-310600- Nantucket Sound- 116 PM EDT Sat May 30 2020 .THIS AFTERNOON...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Patchy fog. Vsby 1 NM or less. .TONIGHT...SW winds 10 to 15 kt, becoming W 5 to 10 kt after midnight. Gusts up to 20 kt. Seas 2 to 3 ft. Patchy fog. Vsby 1 to 3 NM. .SUN...N winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .SUN NIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .MON...NW winds 5 to 10 kt, becoming W in the afternoon. Seas 2 to 3 ft. .MON NIGHT...NW winds 5 to 10 kt. Seas around 2 ft. .TUE...W winds 5 to 10 kt. Seas 2 to 3 ft. .TUE NIGHT THROUGH WED NIGHT...SW winds 10 to 15 kt. Seas 2 to 4 ft. A chance of showers. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ233-310600- Vineyard Sound- 116 PM EDT Sat May 30 2020 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING... .THIS AFTERNOON...SW winds around 10 kt with gusts up to 20 kt. Seas 2 to 3 ft. Patchy fog. Vsby 1 NM or less. .TONIGHT...W winds around 10 kt. Gusts up to 20 kt in the evening. Seas 2 to 3 ft. .SUN...NW winds 5 to 10 kt. Seas 2 to 3 ft. .SUN NIGHT...N winds 5 to 10 kt. Seas 2 to 3 ft. .MON...NW winds 5 to 10 kt, becoming W in the afternoon. Seas around 2 ft. A chance of showers. .MON NIGHT...NW winds 5 to 10 kt. Seas around 2 ft. .TUE...W winds 5 to 10 kt. Seas 2 to 3 ft. .TUE NIGHT AND WED...SW winds 5 to 10 kt. Seas 2 to 4 ft. A chance of showers. .WED NIGHT...SW 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. $$ ANZ234-310600- Buzzards Bay- 116 PM EDT Sat May 30 2020 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING... .THIS AFTERNOON...SW winds around 10 kt with gusts up to 20 kt. Seas around 2 ft. .TONIGHT...W winds 5 to 10 kt. Gusts up to 20 kt in the evening. Seas around 2 ft. .SUN...NW winds around 10 kt. Seas 2 to 3 ft. .SUN NIGHT...N winds 5 to 10 kt. Seas around 2 ft. .MON...W winds 5 to 10 kt. Seas 1 foot or less. A chance of showers. .MON NIGHT...NW winds around 5 kt. Seas 1 foot or less. .TUE...W winds 5 to 10 kt. Seas 2 to 3 ft. .TUE NIGHT THROUGH WED NIGHT...SW winds 5 to 10 kt. Seas 2 to 4 ft. A chance of showers. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ235-310600- Rhode Island Sound- 116 PM EDT Sat May 30 2020 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING... .THIS AFTERNOON...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. Patchy fog. Vsby 1 NM or less. .TONIGHT...SW winds 10 to 15 kt, becoming W 5 to 10 kt after midnight. Gusts up to 20 kt. Seas 3 to 5 ft. .SUN...NW winds 10 to 15 kt. Gusts up to 20 kt in the morning. Seas 2 to 4 ft. .SUN NIGHT...N winds 10 to 15 kt. Seas 2 to 3 ft. .MON...NW winds 5 to 10 kt, becoming W 10 to 15 kt in the afternoon. Seas 2 to 3 ft. .MON NIGHT...NW winds 5 to 10 kt. Seas 2 to 3 ft. .TUE...W winds 5 to 10 kt. Seas 2 to 3 ft. .TUE NIGHT...SW winds 5 to 10 kt. Seas 2 to 4 ft. A chance of showers. .WED AND WED NIGHT...SW winds 5 to 10 kt. Seas 4 to 6 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. $$ ANZ237-310600- Block Island Sound- 116 PM EDT Sat May 30 2020 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING... .THIS AFTERNOON...SW winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 4 ft. .TONIGHT...W winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 4 ft. .SUN...NW winds 10 to 15 kt. Gusts up to 20 kt in the morning. Seas 2 to 4 ft. .SUN NIGHT...NW winds 5 to 10 kt. Seas 2 to 3 ft. .MON...W winds 5 to 10 kt. Seas 2 to 3 ft. .MON NIGHT...NW winds 5 to 10 kt. Seas 2 to 3 ft. .TUE...W winds 5 to 10 kt. Seas 2 to 3 ft. .TUE NIGHT...SW winds 5 to 10 kt. Seas 2 to 4 ft. A chance of showers. .WED AND WED NIGHT...SW winds 5 to 10 kt. Seas 3 to 5 ft. A chance of showers. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ230-310600- Boston Harbor- 116 PM EDT Sat May 30 2020 .THIS AFTERNOON...W winds 5 to 10 kt. Waves 1 foot or less. .TONIGHT...W winds 5 to 10 kt. Gusts up to 20 kt after midnight. Waves around 2 ft. .SUN...NW winds 10 to 15 kt with gusts up to 20 kt. Waves around 2 ft. .SUN NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt after midnight. Waves around 2 ft. .MON...NW winds around 5 kt. Waves 1 foot or less. A chance of showers. .MON NIGHT...NW winds around 5 kt. Waves 1 foot or less. .TUE...W winds 5 to 10 kt. Waves 1 foot or less. .TUE NIGHT THROUGH WED NIGHT...SW winds 5 to 10 kt. Waves 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. $$ ANZ236-310600- Narragansett Bay- 116 PM EDT Sat May 30 2020 .THIS AFTERNOON...SW winds 5 to 10 kt with gusts up to 20 kt. Waves 2 to 4 ft. .TONIGHT...SW winds 5 to 10 kt, becoming NW after midnight. Waves 2 to 4 ft. .SUN...NW winds 10 to 15 kt. Gusts up to 20 kt in the morning. Waves 2 to 3 ft. .SUN NIGHT...NW winds 5 to 10 kt. Waves 2 to 3 ft. .MON AND MON NIGHT...NW winds 5 to 10 kt. Waves around 2 ft. .TUE...W winds 5 to 10 kt. Waves around 2 ft. .TUE NIGHT THROUGH WED NIGHT...SW winds 5 to 10 kt. Waves 2 to 4 ft. A chance of showers. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ 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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