Coastal Waters Forecast
Issued by NWS Boston, MA

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000 FZUS51 KBOX 261441 CWFBOX Coastal Waters Forecast National Weather Service Boston/Norton MA 1041 AM EDT Sat May 26 2018 Coastal waters from the Merrimack River MA to Watch Hill RI out to 25 NM ANZ200-270315- 1041 AM EDT Sat May 26 2018 .Synopsis for Massachusetts and Rhode Island coastal waters... A back door cold front will push S across the waters late today into this evening. The front will become nearly stationary just S of the waters Sunday and Mon. A cold front will cross the waters from west to east late Mon night. High pres builds across New England Tue, then will shift across the waters Wed. 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. $$ ANZ250-270315- Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- 1041 AM EDT Sat May 26 2018 ...SMALL CRAFT ADVISORY IN EFFECT FROM 5 PM EDT THIS AFTERNOON THROUGH SUNDAY AFTERNOON... .THIS AFTERNOON...SW winds 5 to 10 kt, becoming S 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. .TONIGHT...E winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. Patchy fog. Vsby 1 NM or less. .SUN...E winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to 7 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM. .SUN NIGHT...E winds 15 to 20 kt, becoming NE 10 to 15 kt after midnight. Gusts up to 25 kt. Seas 5 to 8 ft. Areas of fog. A chance of showers. Vsby 1 to 3 NM. .MON...NE winds 5 to 10 kt. Seas 4 to 6 ft. Areas of fog. A chance of showers. Vsby 1 to 3 NM. .MON NIGHT...S winds 5 to 10 kt, becoming SW after midnight. Seas 3 to 5 ft. .TUE...NW winds 5 to 10 kt. Seas 3 to 4 ft. .TUE NIGHT...NE winds 5 to 10 kt. Seas 2 to 3 ft. .WED...E winds 5 to 10 kt. Seas 2 to 3 ft. .WED NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ251-270315- Massachusetts Bay and Ipswich Bay- 1041 AM EDT Sat May 26 2018 ...SMALL CRAFT ADVISORY IN EFFECT FROM 5 PM EDT THIS AFTERNOON THROUGH SUNDAY AFTERNOON... .THIS AFTERNOON...SW winds 5 to 10 kt, becoming S 10 to 15 kt with gusts up to 25 kt. Seas 1 foot or less. .TONIGHT...NE winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Gusts up to 30 kt. Seas 2 to 4 ft. Patchy fog. Vsby 1 to 3 NM. .SUN...E winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 5 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM. .SUN NIGHT...NE winds 10 to 15 kt, diminishing to 5 to 10 kt after midnight. Gusts up to 25 kt. Seas 3 to 5 ft. Areas of fog. A chance of showers. Vsby 1 to 3 NM. .MON...NE winds 5 to 10 kt. Seas 3 to 5 ft. Areas of fog. Vsby 1 to 3 NM. .MON NIGHT...SE winds 5 to 10 kt, becoming SW after midnight. Seas 2 to 4 ft. .TUE...NW winds 5 to 10 kt. Seas 2 to 3 ft. .TUE NIGHT...NE winds around 5 kt. Seas around 2 ft. .WED...E winds 5 to 10 kt. Seas around 2 ft. .WED NIGHT...SW winds 5 to 10 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. $$ ANZ231-270315- Cape Cod Bay- 1041 AM EDT Sat May 26 2018 ...SMALL CRAFT ADVISORY IN EFFECT FROM 5 PM EDT THIS AFTERNOON THROUGH SUNDAY AFTERNOON... .THIS AFTERNOON...SW winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 25 kt. Seas 1 foot or less. .TONIGHT...E winds 10 to 15 kt. Gusts up to 30 kt, decreasing to 20 kt after midnight. Seas 2 to 3 ft. Patchy fog. Vsby 1 NM or less. .SUN...E winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM. .SUN NIGHT...NE winds 10 to 15 kt, diminishing to 5 to 10 kt after midnight. Gusts up to 25 kt. Seas 2 to 4 ft. Areas of fog. A chance of showers. Vsby 1 to 3 NM. .MON...NE winds 5 to 10 kt. Seas 2 to 3 ft. Areas of fog. A chance of showers. Vsby 1 to 3 NM. .MON NIGHT...S winds 5 to 10 kt, becoming SW after midnight. Seas 2 to 3 ft. .TUE...N winds 5 to 10 kt. Seas 2 to 3 ft. .TUE NIGHT...E winds around 5 kt. Seas around 2 ft. .WED...E winds 5 to 10 kt. Seas around 2 ft. .WED NIGHT...SW winds 5 to 10 kt. Seas 1 foot or less. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ254-270315- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm- 1041 AM EDT Sat May 26 2018 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY AFTERNOON... .THIS AFTERNOON...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. Patchy fog with vsby 1 NM or less. .TONIGHT...S winds 10 to 15 kt, becoming E 15 to 20 kt after midnight. Gusts up to 25 kt. Seas 2 to 4 ft. Patchy fog. Vsby 1 NM or less. .SUN...E winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to 7 ft. Patchy fog. A chance of showers. Vsby 1 NM or less. .SUN NIGHT...E winds 15 to 20 kt, becoming NE 10 to 15 kt after midnight. Gusts up to 30 kt. Seas 5 to 8 ft. Areas of fog. A chance of showers. Vsby 1 to 3 NM. .MON...NE winds 5 to 10 kt. Gusts up to 20 kt in the morning. Seas 4 to 7 ft. Areas of fog. A chance of showers. Vsby 1 to 3 NM. .MON NIGHT...SE winds 5 to 10 kt, becoming SW after midnight. Seas 3 to 5 ft. Patchy fog. Vsby 1 to 3 NM. .TUE...NW winds 5 to 10 kt. Seas 3 to 5 ft. .TUE NIGHT...NW winds 5 to 10 kt. Seas 2 to 3 ft. .WED...E winds around 5 kt. Seas 2 to 3 ft. .WED NIGHT...S 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. $$ ANZ255-270315- Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- 1041 AM EDT Sat May 26 2018 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... .THIS AFTERNOON...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 5 ft. Patchy fog with vsby 1 NM or less. .TONIGHT...SW winds 10 to 15 kt, becoming E 5 to 10 kt after midnight. Gusts up to 25 kt. Seas 3 to 5 ft. Patchy fog. A chance of showers. Vsby 1 NM or less. .SUN...E winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 5 ft. Patchy fog. A chance of showers. Vsby 1 NM or less. .SUN NIGHT...NE winds 10 to 15 kt, diminishing to 5 to 10 kt after midnight. Gusts up to 25 kt. Seas 4 to 6 ft. Areas of fog. A chance of showers. Vsby 1 to 3 NM. .MON...NE winds 5 to 10 kt. Gusts up to 20 kt in the morning. Seas 4 to 6 ft. Areas of fog. Vsby 1 to 3 NM. .MON NIGHT...S winds 5 to 10 kt, becoming SW after midnight. Seas 3 to 5 ft. .TUE...W winds 5 to 10 kt. Seas 2 to 4 ft. .TUE NIGHT...NW winds around 5 kt. Seas 2 to 3 ft. Patchy fog. Vsby 1 to 3 NM. .WED...E winds 5 to 10 kt. Seas 2 to 3 ft. .WED NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ256-270315- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 1041 AM EDT Sat May 26 2018 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... .THIS AFTERNOON...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 5 ft. Patchy fog with vsby 1 to 3 NM. .TONIGHT...SW winds 10 to 15 kt, becoming NE 5 to 10 kt after midnight. Gusts up to 25 kt. Seas 3 to 4 ft. Patchy fog. Vsby 1 NM or less. .SUN...NE winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 4 ft. Patchy fog. A chance of showers. Vsby 1 NM or less. .SUN NIGHT...NE winds 10 to 15 kt with gusts up to 25 kt. Seas 4 to 6 ft. Areas of fog. A chance of showers. Vsby 1 to 3 NM. .MON...NE winds 5 to 10 kt. Gusts up to 20 kt in the morning. Seas 3 to 5 ft. Areas of fog. Vsby 1 to 3 NM. .MON NIGHT...SW winds 5 to 10 kt. Seas 3 to 5 ft. .TUE...SW winds 5 to 10 kt. Seas 2 to 4 ft. .TUE NIGHT...SE winds around 5 kt. Seas 2 to 3 ft. Patchy fog. Vsby 1 to 3 NM. .WED...E winds 5 to 10 kt. Seas 2 to 3 ft. .WED NIGHT...S 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. $$ ANZ232-270315- Nantucket Sound- 1041 AM EDT Sat May 26 2018 .THIS AFTERNOON...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. Patchy fog with vsby 1 to 3 NM. .TONIGHT...SW winds 5 to 10 kt, becoming E 10 to 15 kt after midnight. Gusts up to 20 kt. Seas 2 to 3 ft. Patchy fog. Vsby 1 NM or less. .SUN...E winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM. .SUN NIGHT...NE winds 10 to 15 kt, diminishing to 5 to 10 kt after midnight. Gusts up to 25 kt. Seas 2 to 4 ft. Areas of fog. A chance of showers. Vsby 1 to 3 NM. .MON...NE winds 5 to 10 kt. Seas 2 to 4 ft. Areas of fog. Vsby 1 to 3 NM. .MON NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. .TUE...NW winds 5 to 10 kt. Seas 2 to 3 ft. .TUE NIGHT...NW winds around 5 kt. Seas around 2 ft. .WED...E winds 5 to 10 kt. Seas around 2 ft. .WED NIGHT...S winds 5 to 10 kt. Seas 1 foot or less. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ233-270315- Vineyard Sound- 1041 AM EDT Sat May 26 2018 .THIS AFTERNOON...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. Patchy fog. .TONIGHT...W winds 10 to 15 kt, becoming NE after midnight. Gusts up to 25 kt. Seas 2 to 3 ft. Patchy fog. Vsby 1 NM or less. .SUN...NE winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM. .SUN NIGHT...NE winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. Areas of fog. A chance of showers. Vsby 1 to 3 NM. .MON...NE winds 5 to 10 kt. Gusts up to 20 kt in the morning. Seas around 2 ft. Areas of fog. Vsby 1 to 3 NM. .MON NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. .TUE...W winds 5 to 10 kt. Seas around 2 ft. .TUE NIGHT...E winds around 5 kt. Seas around 2 ft. .WED...E winds 5 to 10 kt. Seas around 2 ft. .WED NIGHT...S winds 5 to 10 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. $$ ANZ234-270315- Buzzards Bay- 1041 AM EDT Sat May 26 2018 .THIS AFTERNOON...SW winds 10 to 15 kt with gusts up to 25 kt. Seas around 2 ft. Patchy fog. .TONIGHT...NW winds 10 to 15 kt, becoming NE after midnight. Gusts up to 25 kt. Seas around 2 ft. Patchy fog. Vsby 1 NM or less. .SUN...NE winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM. .SUN NIGHT...NE winds 10 to 15 kt, diminishing to 5 to 10 kt after midnight. Gusts up to 25 kt. Seas 2 to 4 ft. Areas of fog. A chance of showers. Vsby 1 to 3 NM. .MON...NE winds 5 to 10 kt. Seas around 2 ft. Areas of fog. Vsby 1 to 3 NM. .MON NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. .TUE...W winds 5 to 10 kt. Seas around 2 ft. .TUE NIGHT...E winds around 5 kt. Seas 1 foot or less. .WED...E winds 5 to 10 kt. Seas 1 foot or less. .WED NIGHT...S winds 5 to 10 kt. Seas 1 foot or less. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ235-270315- Rhode Island Sound- 1041 AM EDT Sat May 26 2018 .THIS AFTERNOON...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. .TONIGHT...W winds 10 to 15 kt, becoming NE after midnight. Gusts up to 25 kt. Seas 2 to 4 ft. Patchy fog. Vsby 1 NM or less. .SUN...NE winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM. .SUN NIGHT...NE winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. Areas of fog. A chance of showers. Vsby 1 to 3 NM. .MON...NE winds 5 to 10 kt. Gusts up to 20 kt in the morning. Seas 2 to 4 ft. Areas of fog. Vsby 1 to 3 NM. .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...E winds around 5 kt. Seas around 2 ft. Patchy fog. Vsby 1 to 3 NM. .WED...E winds 5 to 10 kt. Seas around 2 ft. .WED NIGHT...S winds 5 to 10 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. $$ ANZ237-270315- Block Island Sound- 1041 AM EDT Sat May 26 2018 .THIS AFTERNOON...SW winds 5 to 10 kt, increasing to 10 to 15 kt. Gusts up to 25 kt. Seas 2 to 4 ft. .TONIGHT...SW winds 10 to 15 kt, becoming NE 5 to 10 kt after midnight. Gusts up to 25 kt. Seas 2 to 4 ft. Patchy fog. Vsby 1 NM or less. .SUN...NE winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. Patchy fog. A chance of showers. Vsby 1 NM or less. .SUN NIGHT...NE winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. Areas of fog. A chance of showers. Vsby 1 to 3 NM. .MON...NE winds 5 to 10 kt with gusts up to 20 kt, becoming SE in the afternoon. Seas 2 to 4 ft. Areas of fog. Vsby 1 to 3 NM. .MON NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. .TUE...SW winds 5 to 10 kt. Seas 2 to 3 ft. .TUE NIGHT...SE winds around 5 kt. Seas around 2 ft. .WED...E winds 5 to 10 kt. Seas around 2 ft. .WED NIGHT...S winds 5 to 10 kt. Seas around 2 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ230-270315- Boston Harbor- 1041 AM EDT Sat May 26 2018 ...SMALL CRAFT ADVISORY IN EFFECT FROM 5 PM EDT THIS AFTERNOON THROUGH SUNDAY AFTERNOON... .THIS AFTERNOON...W winds 5 to 10 kt. Waves 1 foot or less. .TONIGHT...NE winds 15 to 20 kt with gusts up to 30 kt, diminishing to 10 to 15 kt with gusts up to 20 kt after midnight. Waves around 2 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM. .SUN...NE winds 10 to 15 kt with gusts up to 25 kt. Waves 2 to 3 ft. Patchy fog. A chance of showers. .SUN NIGHT...NE winds 10 to 15 kt, diminishing to 5 to 10 kt after midnight. Gusts up to 20 kt. Waves 2 to 3 ft. Areas of fog. A chance of showers. Vsby 1 to 3 NM. .MON...NE winds 5 to 10 kt. Waves 1 foot or less. Areas of fog. Vsby 1 to 3 NM. .MON NIGHT...SE winds around 5 kt, becoming SW after midnight. Waves 1 foot or less. .TUE...NW winds around 5 kt. Waves 1 foot or less. .TUE NIGHT...NE winds around 5 kt. Waves 1 foot or less. .WED...E winds around 5 kt. Waves 1 foot or less. .WED NIGHT...SW winds around 5 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. $$ ANZ236-270315- Narragansett Bay- 1041 AM EDT Sat May 26 2018 .THIS AFTERNOON...SW winds 10 to 15 kt. Gusts up to 25 kt. Waves around 2 ft. .TONIGHT...NE winds 10 to 15 kt, diminishing to 5 to 10 kt after midnight. Gusts up to 20 kt. Waves around 2 ft. Patchy fog. Vsby 1 to 3 NM. .SUN...NE winds 5 to 10 kt with gusts up to 20 kt. Waves around 2 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM. .SUN NIGHT...NE winds 10 to 15 kt, diminishing to 5 to 10 kt after midnight. Gusts up to 20 kt. Waves around 2 ft. Areas of fog. A chance of showers. Vsby 1 to 3 NM. .MON...NE winds 5 to 10 kt, becoming E in the afternoon. Waves around 2 ft. Areas of fog. Vsby 1 to 3 NM. .MON NIGHT...SW winds around 5 kt. Waves around 2 ft. .TUE...W winds around 5 kt. Waves around 2 ft. .TUE NIGHT...E winds around 5 kt. Waves 1 foot or less. .WED...E winds 5 to 10 kt. Waves around 2 ft. .WED NIGHT...S winds around 5 kt. Waves 1 foot or less. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ 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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