Coastal Waters Forecast
Issued by NWS Boston, MA

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000 FZUS51 KBOX 241451 CWFBOX Coastal Waters Forecast National Weather Service Boston/Norton MA 1051 AM EDT Thu May 24 2018 Coastal waters from the Merrimack River MA to Watch Hill RI out to 25 NM ANZ200-250315- 1051 AM EDT Thu May 24 2018 .Synopsis for Massachusetts and Rhode Island coastal waters... High pressure builds over the waters today which settles southeast of the waters Friday and Saturday. A back door cold front will slowly settle south across the waters late Saturday. This front will become nearly stationary just south of the waters for Sunday and Monday. 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. $$ ANZ250-250315- Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- 1051 AM EDT Thu May 24 2018 ...SMALL CRAFT ADVISORY IN EFFECT FROM FRIDAY AFTERNOON THROUGH FRIDAY EVENING... .THIS AFTERNOON...E winds around 5 kt, becoming SE 10 to 15 kt. Seas 2 to 3 ft. .TONIGHT...S winds 10 to 15 kt, becoming SW 15 to 20 kt after midnight. Seas 2 to 4 ft. .FRI...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. .FRI NIGHT...SW winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Gusts up to 25 kt. Seas 2 to 4 ft. .SAT...SW winds 10 to 15 kt with gusts up to 20 kt, becoming S 5 to 10 kt in the afternoon. Seas 2 to 4 ft. A chance of showers. .SAT NIGHT...E winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. A chance of showers. .SUN...E winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 5 ft. A chance of showers. .SUN NIGHT...E winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 6 ft. A chance of showers. .MON...E winds 5 to 10 kt. Seas 3 to 5 ft. A chance of showers. Vsby 1 to 3 NM. .MON NIGHT...SW winds around 5 kt. Seas 2 to 4 ft. A chance of showers. Vsby 1 to 3 NM. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ251-250315- Massachusetts Bay and Ipswich Bay- 1051 AM EDT Thu May 24 2018 ...SMALL CRAFT ADVISORY FOR WINDS IN EFFECT FROM FRIDAY MORNING THROUGH FRIDAY AFTERNOON... .THIS AFTERNOON...E winds around 5 kt, becoming SE 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. .TONIGHT...S winds 10 to 15 kt, becoming SW 15 to 20 kt after midnight. Seas 2 to 3 ft. .FRI...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. .FRI NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt after midnight. Seas around 2 ft. .SAT...SW winds 5 to 10 kt. Seas around 2 ft. A chance of showers. .SAT NIGHT...E winds 5 to 10 kt. Gusts up to 20 kt after midnight. Seas 2 to 3 ft. A chance of showers. .SUN...E winds around 10 kt with gusts up to 20 kt. Seas 2 to 4 ft. A chance of showers. .SUN NIGHT...NE winds 5 to 10 kt. Seas 2 to 4 ft. A chance of showers. Vsby 1 to 3 NM. .MON...E 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 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. $$ ANZ231-250315- Cape Cod Bay- 1051 AM EDT Thu May 24 2018 ...SMALL CRAFT ADVISORY FOR WINDS IN EFFECT FROM FRIDAY MORNING THROUGH FRIDAY AFTERNOON... .THIS AFTERNOON...E winds around 5 kt, becoming SE 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .TONIGHT...S winds 10 to 15 kt, becoming SW 15 to 20 kt after midnight. Seas 2 to 4 ft. .FRI...SW winds 15 to 20 kt. Gusts up to 25 kt. Seas 2 to 3 ft. .FRI NIGHT...SW winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Seas 2 to 3 ft. .SAT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. .SAT NIGHT...S winds 5 to 10 kt, becoming E after midnight. Seas around 2 ft. A chance of showers. .SUN...E winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. A chance of showers. .SUN NIGHT...E winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers. Vsby 1 to 3 NM. .MON...E winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers. Vsby 1 to 3 NM. .MON NIGHT...SW winds around 5 kt. Seas around 2 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ254-250315- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm- 1051 AM EDT Thu May 24 2018 ...SMALL CRAFT ADVISORY IN EFFECT FROM FRIDAY MORNING THROUGH FRIDAY EVENING... .THIS AFTERNOON...E winds 5 to 10 kt. Seas 2 to 3 ft. .TONIGHT...S winds 10 to 15 kt, becoming SW 15 to 20 kt after midnight. Seas 2 to 4 ft. .FRI...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. .FRI NIGHT...SW winds 15 to 20 kt. Seas 4 to 6 ft. .SAT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 5 ft. .SAT NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, becoming SE 5 to 10 kt after midnight. Seas 2 to 4 ft. A chance of showers. Vsby 1 to 3 NM. .SUN...E winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 5 ft. A chance of showers. .SUN NIGHT...E winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 6 ft. A chance of showers. .MON...E winds 5 to 10 kt. Seas 3 to 5 ft. A chance of showers. Vsby 1 to 3 NM. .MON NIGHT...SW winds 5 to 10 kt. Seas 2 to 4 ft. 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. $$ ANZ255-250315- Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- 1051 AM EDT Thu May 24 2018 ...SMALL CRAFT ADVISORY IN EFFECT FROM FRIDAY MORNING THROUGH FRIDAY EVENING... .THIS AFTERNOON...E winds 5 to 10 kt. Gusts up to 20 kt. Seas around 3 ft. Areas of fog. Vsby 1 NM or less. .TONIGHT...S winds 10 to 15 kt. Gusts up to 20 kt in the evening. Seas 2 to 3 ft. .FRI...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. .FRI NIGHT...SW winds 15 to 20 kt. Gusts up to 25 kt. Seas 4 to 6 ft. .SAT...SW winds around 15 kt with gusts up to 25 kt. Seas 4 to 6 ft. .SAT NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, becoming SE 5 to 10 kt after midnight. Seas 3 to 5 ft. A chance of showers. Vsby 1 to 3 NM. .SUN...E winds around 10 kt with gusts up to 20 kt. Seas 2 to 4 ft. A chance of showers. .SUN NIGHT...E winds 5 to 10 kt. Seas 3 to 5 ft. A chance of showers. .MON...E winds 5 to 10 kt. Seas 3 to 5 ft. A chance of showers. Vsby 1 to 3 NM. .MON NIGHT...S winds 5 to 10 kt. Seas 2 to 4 ft. A chance of showers. Vsby 1 to 3 NM. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ256-250315- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 1051 AM EDT Thu May 24 2018 ...SMALL CRAFT ADVISORY IN EFFECT FROM FRIDAY MORNING THROUGH FRIDAY EVENING... .THIS AFTERNOON...NE winds 5 to 10 kt, becoming E. Seas around 3 ft. Areas of fog. Vsby 1 NM or less. .TONIGHT...S winds 10 to 15 kt. Seas around 3 ft. .FRI...SW winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Gusts up to 25 kt. Seas 3 to 5 ft. .FRI NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 6 ft. .SAT...SW winds 15 to 20 kt. Seas 4 to 6 ft. .SAT NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, becoming SE 5 to 10 kt after midnight. Seas 3 to 5 ft. A chance of showers. .SUN...E winds around 10 kt. Seas around 3 ft. A chance of showers. .SUN NIGHT...NE winds 5 to 10 kt. Seas 2 to 4 ft. A chance of showers. .MON...E winds 5 to 10 kt. Seas 2 to 4 ft. A chance of showers. .MON NIGHT...SE winds around 5 kt. Seas 2 to 4 ft. 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. $$ ANZ232-250315- Nantucket Sound- 1051 AM EDT Thu May 24 2018 .THIS AFTERNOON...E winds 5 to 10 kt, becoming SE 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .TONIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .FRI...SW winds 15 to 20 kt. Seas 2 to 4 ft. .FRI NIGHT...SW winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Seas 2 to 4 ft. .SAT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. .SAT NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, becoming SE 5 to 10 kt after midnight. Seas 2 to 3 ft. A chance of showers. Vsby 1 to 3 NM. .SUN...E winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. A chance of showers. .SUN NIGHT...E winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers. .MON...E winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers. .MON NIGHT...SW winds around 5 kt. Seas around 2 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ233-250315- Vineyard Sound- 1051 AM EDT Thu May 24 2018 .THIS AFTERNOON...NE winds 5 to 10 kt, becoming SE 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Areas of fog. Vsby 1 to 3 NM. .TONIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .FRI...SW winds 15 to 20 kt. Seas 2 to 4 ft. .FRI NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. .SAT...SW winds around 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. .SAT NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, becoming E 5 to 10 kt after midnight. Seas 2 to 3 ft. A chance of showers. Vsby 1 to 3 NM. .SUN...E winds around 10 kt. Seas around 2 ft. A chance of showers. .SUN NIGHT...NE winds 5 to 10 kt. Seas around 2 ft. A chance of showers. .MON...E winds 5 to 10 kt. Seas around 2 ft. A chance of showers. .MON NIGHT...S 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. $$ ANZ234-250315- Buzzards Bay- 1051 AM EDT Thu May 24 2018 .THIS AFTERNOON...NE winds around 5 kt, becoming SE 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .TONIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .FRI...SW winds 15 to 20 kt. Seas 2 to 3 ft. .FRI NIGHT...SW winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Seas 2 to 3 ft. .SAT...SW winds 10 to 15 kt. Gusts up to 20 kt in the afternoon. Seas 2 to 3 ft. .SAT NIGHT...SW winds 10 to 15 kt, becoming E 5 to 10 kt after midnight. Seas 2 to 3 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM. .SUN...NE winds 5 to 10 kt. Seas around 2 ft. A chance of showers. .SUN NIGHT...NE winds 5 to 10 kt. Seas around 2 ft. A chance of showers. Vsby 1 to 3 NM. .MON...E winds around 5 kt. Seas around 2 ft. A chance of showers. Vsby 1 to 3 NM. .MON NIGHT...S winds around 5 kt. Seas 1 foot or less. Patchy fog. A chance of showers. Vsby 1 to 3 NM. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ235-250315- Rhode Island Sound- 1051 AM EDT Thu May 24 2018 ...SMALL CRAFT ADVISORY IN EFFECT FROM FRIDAY AFTERNOON THROUGH FRIDAY EVENING... .THIS AFTERNOON...NE winds 5 to 10 kt, becoming SE 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Areas of fog. Vsby 1 to 3 NM. .TONIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .FRI...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. .FRI NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. .SAT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. .SAT NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, becoming E 5 to 10 kt after midnight. Seas 2 to 4 ft. A chance of showers. Vsby 1 to 3 NM. .SUN...NE winds around 10 kt. Seas 2 to 3 ft. A chance of showers. .SUN NIGHT...NE winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers. .MON...E winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers. Vsby 1 to 3 NM. .MON NIGHT...SE 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. $$ ANZ237-250315- Block Island Sound- 1051 AM EDT Thu May 24 2018 ...SMALL CRAFT ADVISORY IN EFFECT FROM FRIDAY AFTERNOON THROUGH FRIDAY EVENING... .THIS AFTERNOON...NE winds around 5 kt, becoming SE 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .TONIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt in the evening. Seas 2 to 3 ft. .FRI...SW winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Seas 3 to 5 ft. .FRI NIGHT...SW winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Gusts up to 25 kt. Seas 3 to 5 ft. .SAT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. .SAT NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, becoming E 5 to 10 kt after midnight. Seas 2 to 4 ft. A chance of showers. Vsby 1 to 3 NM. .SUN...NE winds around 10 kt. Seas 2 to 3 ft. A chance of showers. .SUN NIGHT...NE winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers. .MON...E winds around 5 kt. Seas 2 to 3 ft. A chance of showers. Vsby 1 to 3 NM. .MON NIGHT...E winds around 5 kt. Seas around 2 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ230-250315- Boston Harbor- 1051 AM EDT Thu May 24 2018 ...SMALL CRAFT ADVISORY FOR WINDS IN EFFECT FROM FRIDAY MORNING THROUGH FRIDAY AFTERNOON... .THIS AFTERNOON...E winds 5 to 10 kt, becoming SE 10 to 15 kt. Waves 1 foot or less. .TONIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Waves around 2 ft. .FRI...SW winds 10 to 15 kt with gusts up to 25 kt. Waves around 2 ft. .FRI NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt after midnight. Waves 1 foot or less. .SAT...W winds 5 to 10 kt. Waves 1 foot or less. A chance of showers. .SAT NIGHT...E winds 5 to 10 kt. Waves around 2 ft. A chance of showers. .SUN...E winds 5 to 10 kt with gusts up to 20 kt. Waves around 2 ft. A chance of showers. .SUN NIGHT...NE winds 5 to 10 kt. Waves around 2 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM. .MON...E winds around 5 kt. Waves 1 foot or less. Patchy fog. A chance of showers. Vsby 1 to 3 NM. .MON NIGHT...N winds around 5 kt. Waves 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. $$ ANZ236-250315- Narragansett Bay- 1051 AM EDT Thu May 24 2018 .THIS AFTERNOON...NE winds around 5 kt, becoming SE 10 to 15 kt with gusts up to 20 kt. Waves 2 to 3 ft. .TONIGHT...S winds 10 to 15 kt. Gusts up to 20 kt in the evening. Waves 2 to 3 ft. .FRI...SW winds 10 to 15 kt. Gusts up to 20 kt in the afternoon. Waves 2 to 3 ft. .FRI NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt after midnight. Waves 2 to 3 ft. .SAT...SW winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt in the afternoon. Waves 2 to 3 ft. .SAT NIGHT...SW winds 5 to 10 kt, becoming NE after midnight. Waves around 2 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM. .SUN...NE winds 5 to 10 kt. Waves around 2 ft. A chance of showers. .SUN NIGHT...NE winds 5 to 10 kt. Waves around 2 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM. .MON...E winds around 5 kt. Waves around 2 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM. .MON NIGHT...E winds around 5 kt. Waves around 2 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ For the latest updates, please visit our webpage at www.weather.gov/boston You can follow us on Facebook at www.facebook.com/NWSBoston You can follow us on Twitter at @NWSBoston

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