Coastal Waters Forecast
Issued by NWS Boston, MA

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000 FZUS51 KBOX 221216 CWFBOX Coastal Waters Forecast National Weather Service Taunton MA 716 AM EST Thu Feb 22 2018 Coastal waters from the Merrimack River MA to Watch Hill RI out to 25 NM ANZ200-230100- 716 AM EST Thu Feb 22 2018 .Synopsis for Massachusetts and Rhode Island coastal waters... Strong high pressure builds across southern Quebec today as a wave of low pres tracks south of New Eng. The high moves east of Nova Scotia Friday with a series of frontal system sweeping the waters through the weekend. High pres builds over the waters early next week. 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. $$ ANZ250-230100- Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- 716 AM EST Thu Feb 22 2018 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM EST THIS AFTERNOON... .TODAY...NE winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt this afternoon. Seas 3 to 5 ft. A slight chance of rain this morning, then rain, snow and sleet likely this afternoon with vsby 1 NM or less. .TONIGHT...NE winds 5 to 10 kt. Seas 2 to 3 ft. A chance of snow. .FRI...SE winds 10 to 15 kt. Gusts up to 20 kt in the afternoon. Seas 2 to 3 ft. Rain likely with a chance of snow. .FRI NIGHT...S winds 10 to 15 kt, becoming SW after midnight. Gusts up to 20 kt. Seas 2 to 4 ft. Rain likely. .SAT...W winds 10 to 15 kt with gusts up to 20 kt, becoming NW 5 to 10 kt in the afternoon. Seas 2 to 3 ft. .SAT NIGHT...N winds 10 to 15 kt, becoming NE 15 to 20 kt after midnight. Seas 2 to 4 ft. A chance of rain. .SUN...E winds 20 to 25 kt with gusts up to 30 kt. Seas 4 to 7 ft. Rain and snow. Vsby 1 to 3 NM. .SUN NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 5 to 8 ft. A chance of rain. .MON...W winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 6 ft. .MON NIGHT...NW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ251-230100- Massachusetts Bay and Ipswich Bay- 716 AM EST Thu Feb 22 2018 .TODAY...N winds 10 to 15 kt, becoming NE 5 to 10 kt this afternoon. Seas 2 to 3 ft. A chance of rain this morning, then snow, rain and sleet likely this afternoon with vsby 1 NM or less. .TONIGHT...NE winds 5 to 10 kt. Seas around 2 ft. A chance of snow. .FRI...E winds 5 to 10 kt, becoming SE 10 to 15 kt in the afternoon. Seas around 2 ft. Rain likely with a chance of snow. .FRI NIGHT...S winds 5 to 10 kt, becoming SW after midnight. Seas 2 to 3 ft. Rain likely. .SAT...NW winds 5 to 10 kt. Seas around 2 ft. .SAT NIGHT...NE winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt after midnight. Seas 2 to 3 ft. A chance of rain. Vsby 1 to 3 NM. .SUN...E winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. Rain and snow. Vsby 1 to 3 NM. .SUN NIGHT...SW winds 5 to 10 kt. Seas 4 to 6 ft. .MON...W winds 5 to 10 kt. Seas 3 to 5 ft. .MON 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. $$ ANZ231-230100- Cape Cod Bay- 716 AM EST Thu Feb 22 2018 .TODAY...NE winds 10 to 15 kt. Gusts up to 20 kt this morning. Seas 2 to 3 ft. A slight chance of rain this morning, then rain with sleet likely this afternoon with vsby 1 to 3 NM. .TONIGHT...NE winds 5 to 10 kt. Seas around 2 ft. A chance of snow and sleet. .FRI...SE winds 5 to 10 kt. Seas around 2 ft. Rain. .FRI NIGHT...S winds 5 to 10 kt with gusts up to 20 kt, becoming SW after midnight. Seas around 2 ft. Rain likely. .SAT...NW winds 5 to 10 kt. Seas around 2 ft. .SAT NIGHT...NE winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt after midnight. Seas around 2 ft. A chance of rain. .SUN...E winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to 4 ft. Rain. .SUN NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .MON...W winds 5 to 10 kt. Seas 2 to 3 ft. .MON NIGHT...NW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ254-230100- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm- 716 AM EST Thu Feb 22 2018 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM EST THIS EVENING... .TODAY...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. A slight chance of rain this morning, then rain likely this afternoon with vsby 1 to 3 NM. .TONIGHT...NE winds 10 to 15 kt. Gusts up to 20 kt in the evening. Seas 3 to 5 ft. A chance of rain. Vsby 1 to 3 NM. .FRI...E winds 10 to 15 kt. Gusts up to 20 kt in the morning. Seas 2 to 4 ft. Rain likely. .FRI NIGHT...S winds 10 to 15 kt, becoming SW after midnight. Gusts up to 20 kt. Seas around 3 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. Seas 2 to 4 ft. .SAT NIGHT...NE winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 25 kt after midnight. Seas 2 to 4 ft. A chance of rain. .SUN...E winds 20 to 25 kt with gusts up to 30 kt. Seas 4 to 7 ft. Rain. .SUN NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 7 ft. A chance of rain. .MON...W winds 10 to 15 kt. Seas 4 to 6 ft. .MON NIGHT...NW winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 6 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. $$ ANZ255-230100- Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- 716 AM EST Thu Feb 22 2018 .TODAY...NE winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 5 ft. A chance of rain this morning, then rain likely this afternoon with vsby 1 to 3 NM. .TONIGHT...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Rain likely. .FRI...E winds 10 to 15 kt. Gusts up to 20 kt in the morning. Seas 2 to 4 ft. Rain. .FRI NIGHT...SE winds 10 to 15 kt, becoming SW with gusts up to 20 kt after midnight. Seas 2 to 3 ft. Rain likely. .SAT...W winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt in the afternoon. Seas 2 to 4 ft. .SAT NIGHT...NE winds 5 to 10 kt, increasing to 15 to 20 kt with gusts up to 25 kt after midnight. Seas 2 to 4 ft. Rain likely. .SUN...E winds 20 to 25 kt. Seas 4 to 7 ft. Rain. Vsby 1 to 3 NM. .SUN NIGHT...W winds 15 to 20 kt. Seas 4 to 6 ft. .MON...W winds 10 to 15 kt. Seas 4 to 6 ft. .MON NIGHT...NW winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 5 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ256-230100- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 716 AM EST Thu Feb 22 2018 .TODAY...NE winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 5 ft. A chance of rain this morning, then rain likely this afternoon with vsby 1 to 3 NM. .TONIGHT...NE winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 5 ft. A chance of rain. Vsby 1 to 3 NM. .FRI...E winds 10 to 15 kt. Gusts up to 20 kt in the morning. Seas 2 to 4 ft. Rain. .FRI NIGHT...SE winds 5 to 10 kt, becoming W 10 to 15 kt with gusts up to 20 kt after midnight. Seas 2 to 3 ft. Rain likely. .SAT...W winds 10 to 15 kt, diminishing to 5 to 10 kt in the afternoon. Seas around 3 ft. .SAT NIGHT...N winds 5 to 10 kt, becoming NE 20 to 25 kt after midnight. Seas 3 to 5 ft. Rain likely. .SUN...SE winds 20 to 25 kt with gusts up to 30 kt. Seas 4 to 7 ft. Rain. Vsby 1 to 3 NM. .SUN NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 6 ft. .MON...W winds 10 to 15 kt. Seas 4 to 6 ft. .MON NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 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. $$ ANZ232-230100- Nantucket Sound- 716 AM EST Thu Feb 22 2018 .TODAY...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. A chance of rain this morning, then rain likely this afternoon with vsby 1 to 3 NM. .TONIGHT...NE winds 10 to 15 kt. Seas 2 to 3 ft. A chance of rain and sleet. .FRI...E winds 10 to 15 kt. Seas around 2 ft. Rain. .FRI NIGHT...S winds around 10 kt, becoming SW after midnight. Seas around 2 ft. Rain likely. .SAT...W winds 5 to 10 kt. Seas around 2 ft. .SAT NIGHT...NE winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt after midnight. Seas around 2 ft. Rain likely. .SUN...E winds 20 to 25 kt. Seas 2 to 4 ft. Rain. .SUN NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .MON...W winds 5 to 10 kt. Seas 2 to 3 ft. .MON NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ233-230100- Vineyard Sound- 716 AM EST Thu Feb 22 2018 .TODAY...NE winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. A chance of rain this morning, then rain this afternoon with vsby 1 to 3 NM. .TONIGHT...NE winds 10 to 15 kt. Seas around 2 ft. A chance of rain and sleet. .FRI...E winds 5 to 10 kt. Seas around 2 ft. Rain. .FRI NIGHT...S winds around 10 kt, becoming W after midnight. Seas around 2 ft. Rain likely. .SAT...W winds 5 to 10 kt. Seas around 2 ft. .SAT NIGHT...NE winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 25 kt after midnight. Seas 2 to 3 ft. Rain likely. .SUN...E winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. Rain. Vsby 1 to 3 NM. .SUN NIGHT...W winds around 10 kt. Seas 2 to 3 ft. .MON...W winds around 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. 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. $$ ANZ234-230100- Buzzards Bay- 716 AM EST Thu Feb 22 2018 .TODAY...NE winds around 10 kt with gusts up to 20 kt. Seas around 2 ft. A chance of rain this morning, then rain and sleet likely this afternoon with vsby 1 to 3 NM. .TONIGHT...NE winds 5 to 10 kt. Seas 1 foot or less. A chance of rain and sleet. .FRI...E winds 5 to 10 kt. Seas 1 foot or less. Rain. .FRI NIGHT...S winds 5 to 10 kt, becoming SW after midnight. Seas 1 foot or less. Rain likely. .SAT...W winds 5 to 10 kt, diminishing to around 5 kt in the afternoon. Seas 1 foot or less. .SAT NIGHT...NE winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt after midnight. Seas around 2 ft. Rain likely. .SUN...E winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 3 ft. Rain. .SUN NIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft. .MON...W winds 5 to 10 kt. Seas 2 to 3 ft. .MON NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ235-230100- Rhode Island Sound- 716 AM EST Thu Feb 22 2018 .TODAY...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. A chance of rain this morning, then rain likely this afternoon with vsby 1 to 3 NM. .TONIGHT...NE winds 10 to 15 kt. Gusts up to 20 kt in the evening. Seas around 2 ft. A chance of rain and sleet. .FRI...E winds 10 to 15 kt, diminishing to 5 to 10 kt in the afternoon. Seas 2 to 3 ft. Rain. .FRI NIGHT...S winds 5 to 10 kt, becoming W 10 to 15 kt with gusts up to 20 kt after midnight. Seas 2 to 3 ft. Rain likely. .SAT...W winds 5 to 10 kt. Seas 2 to 3 ft. .SAT NIGHT...NE winds 5 to 10 kt, increasing to 15 to 20 kt with gusts up to 25 kt after midnight. Seas 2 to 4 ft. Rain likely. .SUN...E winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. Rain. Vsby 1 to 3 NM. .SUN NIGHT...W winds 10 to 15 kt. Seas 3 to 5 ft. .MON...W winds 10 to 15 kt. Seas 3 to 5 ft. .MON 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. $$ ANZ237-230100- Block Island Sound- 716 AM EST Thu Feb 22 2018 .TODAY...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. A chance of rain this morning, then rain this afternoon with vsby 1 to 3 NM. .TONIGHT...NE winds 10 to 15 kt. Gusts up to 20 kt in the evening. Seas 2 to 3 ft. A chance of rain and sleet. .FRI...E winds 10 to 15 kt. Seas 2 to 3 ft. Rain. .FRI NIGHT...S winds 5 to 10 kt, becoming W 10 to 15 kt after midnight. Seas 2 to 3 ft. Rain likely. .SAT...W winds 5 to 10 kt. Seas around 2 ft. .SAT NIGHT...N winds 5 to 10 kt, becoming NE 15 to 20 kt with gusts up to 25 kt after midnight. Seas 2 to 4 ft. Rain likely. .SUN...E winds 20 to 25 kt. Seas 4 to 6 ft. Rain. Vsby 1 to 3 NM. .SUN NIGHT...W winds 5 to 10 kt. Seas 3 to 5 ft. .MON...W winds 5 to 10 kt. Seas 2 to 4 ft. .MON NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ230-230100- Boston Harbor- 716 AM EST Thu Feb 22 2018 .TODAY...NE winds 5 to 10 kt. Waves 1 foot or less. A chance of rain this morning, then snow and sleet with rain likely this afternoon with vsby 1 to 3 NM. .TONIGHT...NE winds around 5 kt. Waves 1 foot or less. .FRI...E winds 5 to 10 kt, becoming SE 10 to 15 kt in the afternoon. Waves 1 foot or less. Rain. .FRI NIGHT...SW winds 5 to 10 kt. Waves 1 foot or less. Rain likely. .SAT...NW winds 5 to 10 kt. Waves 1 foot or less. .SAT NIGHT...NE winds 5 to 10 kt, increasing to 10 to 15 kt after midnight. Waves around 2 ft. A chance of rain. Vsby 1 to 3 NM. .SUN...E winds 10 to 15 kt with gusts up to 20 kt. Waves 2 to 4 ft. Rain. Vsby 1 to 3 NM. .SUN NIGHT...NW winds 5 to 10 kt. Waves 1 foot or less, except 2 to 4 ft at the outer harbor entrance. .MON...W winds 5 to 10 kt. Waves 1 foot or less. .MON NIGHT...NW winds around 10 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. $$ ANZ236-230100- Narragansett Bay- 716 AM EST Thu Feb 22 2018 .TODAY...NE winds 5 to 10 kt. Waves around 2 ft. A chance of rain this morning, then rain and sleet this afternoon with vsby 1 to 3 NM. .TONIGHT...NE winds 5 to 10 kt. Waves around 2 ft. A chance of rain and sleet. .FRI...E winds 5 to 10 kt. Waves around 2 ft. Rain. .FRI NIGHT...S winds 5 to 10 kt, becoming W after midnight. Waves around 2 ft. Rain likely. .SAT...W winds 5 to 10 kt. Waves around 2 ft. .SAT NIGHT...N winds 5 to 10 kt, becoming NE 10 to 15 kt with gusts up to 20 kt after midnight. Waves 2 to 3 ft. Rain likely. .SUN...E winds 10 to 15 kt with gusts up to 20 kt. Waves 2 to 3 ft. Rain. Vsby 1 to 3 NM. .SUN NIGHT...W winds 5 to 10 kt. Waves 2 to 3 ft. .MON...W winds 5 to 10 kt. Waves 2 to 3 ft. .MON NIGHT...NW winds 5 to 10 kt. Waves around 2 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ 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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