Coastal Waters Forecast
Issued by NWS Boston, MA

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218 FZUS51 KBOX 151216 CWFBOX Coastal Waters Forecast National Weather Service Boston/Norton MA 716 AM EST Fri Feb 15 2019 Coastal waters from the Merrimack River MA to Watch Hill RI out to 25 NM ANZ200-160100- 716 AM EST Fri Feb 15 2019 .Synopsis for Massachusetts and Rhode Island coastal waters... Low pressure will track across the Great Lakes overnight. Its attending cold front sweeps across the waters by Saturday morning. A wave of low pressure may track near the southern waters late Sunday or early 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. $$ ANZ250-160100- Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- 716 AM EST Fri Feb 15 2019 ...GALE WARNING IN EFFECT THROUGH THIS EVENING... .TODAY...SE winds 25 to 30 kt with gusts up to 40 kt. Seas 6 to 9 ft. Rain likely. Vsby 1 NM or less this afternoon. .TONIGHT...S winds 25 to 30 kt with gusts up to 35 kt, becoming W 15 to 20 kt with gusts up to 25 kt after midnight. Seas 5 to 8 ft. A chance of rain. Vsby 1 to 3 NM. .SAT...NW winds 15 to 20 kt, diminishing to 10 to 15 kt in the afternoon. Seas 3 to 5 ft. .SAT NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. .SUN...N winds 5 to 10 kt. Seas 3 to 5 ft. .SUN NIGHT...SW winds around 5 kt, becoming NW after midnight. Seas 2 to 4 ft. .MON...NE winds 5 to 10 kt. Seas 2 to 4 ft. .MON NIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. .TUE...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. .TUE NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ251-160100- Massachusetts Bay and Ipswich Bay- 716 AM EST Fri Feb 15 2019 ...GALE WARNING IN EFFECT UNTIL 5 PM EST THIS AFTERNOON... .TODAY...SE winds 20 to 25 kt with gusts up to 35 kt. Seas 4 to 7 ft. Rain likely. Vsby 1 to 3 NM this afternoon. .TONIGHT...SW winds 15 to 20 kt, becoming W 10 to 15 kt after midnight. Gusts up to 25 kt. Seas 4 to 6 ft. A chance of rain. Vsby 1 to 3 NM. .SAT...W winds 15 to 20 kt, becoming NW 5 to 10 kt in the afternoon. Seas 2 to 4 ft. .SAT NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .SUN...N winds 5 to 10 kt. Seas 2 to 3 ft. .SUN NIGHT...SW winds around 5 kt, becoming NW after midnight. Seas around 2 ft. .MON...N winds 5 to 10 kt. Seas 2 to 3 ft. .MON NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .TUE...NW winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 3 ft. .TUE NIGHT...NW 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. $$ ANZ231-160100- Cape Cod Bay- 716 AM EST Fri Feb 15 2019 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT... .TODAY...SE winds 15 to 20 kt, becoming S 20 to 25 kt this afternoon. Gusts up to 30 kt. Seas 2 to 4 ft. Rain. .TONIGHT...S winds 20 to 25 kt with gusts up to 30 kt, becoming W 10 to 15 kt with gusts up to 20 kt after midnight. Seas 2 to 4 ft. Rain. .SAT...NW winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt in the afternoon. Seas 2 to 3 ft. .SAT NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .SUN...N winds 5 to 10 kt. Seas 2 to 3 ft. .SUN NIGHT...S winds around 5 kt, becoming NW after midnight. Seas around 2 ft. .MON...N winds 5 to 10 kt. Seas around 2 ft. .MON NIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .TUE...NW winds 5 to 10 kt. Seas 2 to 3 ft. .TUE NIGHT...NW winds 5 to 10 kt. Seas around 2 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ254-160100- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm- 716 AM EST Fri Feb 15 2019 ...GALE WARNING IN EFFECT THROUGH THIS EVENING... .TODAY...SE winds 20 to 25 kt, becoming S 25 to 30 kt this afternoon. Gusts up to 40 kt. Seas 5 to 8 ft. A chance of rain this morning, then rain this afternoon. .TONIGHT...S winds 25 to 30 kt with gusts up to 40 kt, becoming W 15 to 20 kt after midnight. Seas 5 to 8 ft. Rain. Vsby 1 to 3 NM. .SAT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. .SAT NIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. .SUN...N winds 5 to 10 kt. Seas 3 to 5 ft. .SUN NIGHT...SW winds around 5 kt, becoming N after midnight. Seas 2 to 4 ft. .MON...NE winds 5 to 10 kt. Seas 2 to 4 ft. .MON NIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. .TUE...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. .TUE NIGHT...NW winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 4 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. $$ ANZ255-160100- Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- 716 AM EST Fri Feb 15 2019 ...GALE WARNING IN EFFECT FROM 2 PM THIS AFTERNOON TO 6 PM EST THIS EVENING... .TODAY...SE winds 20 to 25 kt with gusts up to 35 kt. Seas 4 to 6 ft. A chance of rain this morning, then rain likely this afternoon. .TONIGHT...S winds 20 to 25 kt with gusts up to 30 kt, becoming W 15 to 20 kt after midnight. Seas 5 to 8 ft. Rain. Vsby 1 to 3 NM. .SAT...NW winds 10 to 15 kt. Gusts up to 20 kt in the morning. Seas 4 to 6 ft. .SAT NIGHT...N winds 10 to 15 kt. Gusts up to 20 kt after midnight. Seas 3 to 5 ft. .SUN...N winds 5 to 10 kt. Seas 3 to 5 ft. .SUN NIGHT...SE winds around 5 kt, becoming NE after midnight. Seas 2 to 4 ft. A chance of snow. Vsby 1 to 3 NM. .MON...NE winds 5 to 10 kt. Seas 2 to 4 ft. .MON NIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. .TUE...NW winds 5 to 10 kt. Seas 2 to 4 ft. .TUE NIGHT...NW winds 5 to 10 kt. Seas 2 to 4 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ256-160100- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 716 AM EST Fri Feb 15 2019 ...GALE WARNING IN EFFECT FROM 2 PM THIS AFTERNOON TO 6 PM EST THIS EVENING... .TODAY...S winds 20 to 25 kt with gusts up to 35 kt. Seas 5 to 8 ft. A chance of rain this morning, then rain likely this afternoon. .TONIGHT...SW winds 20 to 25 kt with gusts up to 35 kt, becoming W 10 to 15 kt with gusts up to 20 kt after midnight. Seas 6 to 9 ft. Rain likely. .SAT...NW winds 10 to 15 kt. Gusts up to 20 kt in the morning. Seas 4 to 6 ft. .SAT NIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. .SUN...NE winds 5 to 10 kt. Seas 3 to 4 ft. .SUN NIGHT...SE winds 5 to 10 kt, becoming NE after midnight. Seas around 3 ft. A chance of snow. Vsby 1 to 3 NM. .MON...NE winds 5 to 10 kt. Seas 3 to 4 ft. .MON NIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft. .TUE...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft. .TUE NIGHT...NW 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. $$ ANZ232-160100- Nantucket Sound- 716 AM EST Fri Feb 15 2019 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT... .TODAY...S winds 20 to 25 kt with gusts up to 30 kt. Seas 3 to 5 ft. Rain. .TONIGHT...S winds 20 to 25 kt with gusts up to 35 kt, becoming W 10 to 15 kt with gusts up to 20 kt after midnight. Seas 2 to 4 ft. Rain. Vsby 1 to 3 NM. .SAT...NW winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt in the afternoon. Seas 2 to 3 ft. .SAT NIGHT...NW winds 5 to 10 kt, becoming N 10 to 15 kt with gusts up to 20 kt after midnight. Seas 2 to 3 ft. .SUN...NE winds 5 to 10 kt. Seas 2 to 3 ft. .SUN NIGHT...S winds around 5 kt, becoming N after midnight. Seas 1 foot or less. A chance of snow. Vsby 1 to 3 NM. .MON...NE winds 5 to 10 kt. Seas around 2 ft. .MON NIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .TUE...NW winds 5 to 10 kt. Seas 2 to 3 ft. .TUE NIGHT...NW winds 5 to 10 kt. Seas around 2 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ233-160100- Vineyard Sound- 716 AM EST Fri Feb 15 2019 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT... .TODAY...S winds 20 to 25 kt with gusts up to 35 kt. Seas 3 to 5 ft. Rain. .TONIGHT...SW winds 20 to 25 kt with gusts up to 35 kt, becoming W 10 to 15 kt after midnight. Seas 3 to 5 ft. Rain. .SAT...NW winds 10 to 15 kt, diminishing to 5 to 10 kt in the afternoon. Seas 2 to 3 ft. .SAT NIGHT...NW winds 5 to 10 kt, becoming N 10 to 15 kt after midnight. Gusts up to 20 kt. Seas 2 to 3 ft. .SUN...N winds 5 to 10 kt, becoming E in the afternoon. Seas around 2 ft. .SUN NIGHT...S winds around 5 kt, becoming NE after midnight. Seas around 2 ft. A chance of snow. Vsby 1 to 3 NM. .MON...NE winds 5 to 10 kt. Seas around 2 ft. .MON NIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .TUE...NW winds 5 to 10 kt. Seas 2 to 3 ft. .TUE NIGHT...NW 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. $$ ANZ234-160100- Buzzards Bay- 716 AM EST Fri Feb 15 2019 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT... .TODAY...S winds 20 to 25 kt with gusts up to 30 kt. Seas 3 to 5 ft. Rain. .TONIGHT...SW winds 20 to 25 kt with gusts up to 30 kt, becoming W 10 to 15 kt after midnight. Seas 2 to 4 ft. Rain likely. .SAT...NW winds 5 to 10 kt. Seas around 2 ft. .SAT NIGHT...N winds 5 to 10 kt. Seas around 2 ft. .SUN...N winds 5 to 10 kt, becoming E in the afternoon. Seas around 2 ft. .SUN NIGHT...S winds around 5 kt, becoming NE after midnight. Seas 1 foot or less. A chance of snow. Vsby 1 to 3 NM. .MON...NE winds 5 to 10 kt. Seas around 2 ft. .MON NIGHT...N winds 5 to 10 kt with gusts up to 20 kt. Seas around 2 ft. .TUE...NW winds 5 to 10 kt. Seas around 2 ft. .TUE NIGHT...NW winds 5 to 10 kt. Seas 1 foot or less. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ235-160100- Rhode Island Sound- 716 AM EST Fri Feb 15 2019 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY AFTERNOON... .TODAY...S winds 20 to 25 kt with gusts up to 35 kt. Seas 4 to 7 ft. A chance of rain this morning, then rain likely this afternoon. .TONIGHT...SW winds 20 to 25 kt with gusts up to 35 kt, becoming W 10 to 15 kt with gusts up to 20 kt after midnight. Seas 5 to 8 ft. Rain likely. .SAT...NW winds 10 to 15 kt. Gusts up to 20 kt in the morning. Seas 4 to 6 ft. .SAT NIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. .SUN...N winds 5 to 10 kt, becoming E in the afternoon. Seas 2 to 3 ft. .SUN NIGHT...S winds 5 to 10 kt, becoming NE after midnight. Seas 2 to 3 ft. A chance of snow. Vsby 1 to 3 NM. .MON...NE winds 5 to 10 kt. Seas 2 to 3 ft. .MON NIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. .TUE...NW winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 4 ft. .TUE NIGHT...NW 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. $$ ANZ237-160100- Block Island Sound- 716 AM EST Fri Feb 15 2019 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY AFTERNOON... .TODAY...S winds 15 to 20 kt, increasing to 20 to 25 kt this afternoon. Gusts up to 30 kt. Seas 4 to 6 ft. A chance of rain this morning, then rain likely this afternoon. .TONIGHT...SW winds 15 to 20 kt with gusts up to 30 kt, becoming W 10 to 15 kt with gusts up to 20 kt after midnight. Seas 4 to 7 ft. Rain likely. .SAT...NW winds 10 to 15 kt, diminishing to 5 to 10 kt in the afternoon. Seas 3 to 5 ft. .SAT NIGHT...N winds 5 to 10 kt. Gusts up to 20 kt in the evening. Seas 2 to 4 ft. .SUN...N winds 5 to 10 kt, becoming SE in the afternoon. Seas 2 to 3 ft. .SUN NIGHT...S winds around 5 kt, becoming NE after midnight. Seas 2 to 3 ft. A chance of snow. Vsby 1 to 3 NM. .MON...NE winds 5 to 10 kt. Seas 2 to 3 ft. .MON NIGHT...N winds 10 to 15 kt. Seas 2 to 4 ft. .TUE...NW winds 5 to 10 kt. Seas 2 to 3 ft. .TUE NIGHT...NW winds 5 to 10 kt. Seas 2 to 3 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ230-160100- Boston Harbor- 716 AM EST Fri Feb 15 2019 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... .TODAY...S winds 15 to 20 kt with gusts up to 30 kt. Waves 2 to 3 ft. Rain likely. .TONIGHT...SW winds 15 to 20 kt, becoming W 10 to 15 kt after midnight. Gusts up to 25 kt. Waves around 2 ft. Rain likely. .SAT...W winds 10 to 15 kt with gusts up to 20 kt, becoming NW 5 to 10 kt in the afternoon. Waves around 2 ft. .SAT NIGHT...NW winds 5 to 10 kt. Waves 1 foot or less. .SUN...N winds 5 to 10 kt. Waves 1 foot or less. .SUN NIGHT...SW winds around 5 kt, becoming N after midnight. Waves 1 foot or less. .MON...N winds 5 to 10 kt. Waves 1 foot or less. .MON NIGHT...NW winds 5 to 10 kt. Waves around 2 ft. .TUE...NW winds 5 to 10 kt. Waves 1 foot or less. .TUE 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. $$ ANZ236-160100- Narragansett Bay- 716 AM EST Fri Feb 15 2019 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT... .TODAY...S winds 15 to 20 kt with gusts up to 30 kt. Waves 3 to 5 ft. A chance of rain this morning, then rain likely this afternoon. .TONIGHT...SW winds 15 to 20 kt with gusts up to 30 kt, becoming NW 5 to 10 kt after midnight. Waves 3 to 5 ft. Rain likely. .SAT...NW winds 5 to 10 kt. Waves 2 to 3 ft. .SAT NIGHT...N winds 5 to 10 kt. Waves 2 to 3 ft. .SUN...N winds 5 to 10 kt, becoming E in the afternoon. Waves around 2 ft. .SUN NIGHT...S winds around 5 kt, becoming NE around 5 kt after midnight. Waves around 2 ft. A chance of snow. Vsby 1 to 3 NM. .MON...N winds around 5 kt. Waves around 2 ft. .MON NIGHT...N winds 5 to 10 kt. Waves around 2 ft. .TUE...NW winds 5 to 10 kt. Waves around 2 ft. .TUE NIGHT...NW winds around 5 kt. Waves around 2 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ 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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