Coastal Waters Forecast
Issued by NWS Boston, MA

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000 FZUS51 KBOX 170850 CWFBOX Coastal Waters Forecast National Weather Service Taunton MA 350 AM EST Wed Jan 17 2018 Coastal waters from the Merrimack River MA to Watch Hill RI out to 25 NM ANZ200-172130- 350 AM EST Wed Jan 17 2018 .Synopsis for Massachusetts and Rhode Island coastal waters... Low pres will continue to develop as it moves NE off the mid Atlc coast this morning, passing SE of Nantucket before heading to the Gulf of Maine tonight. Large high pres will build S of the waters Thu through this weekend. A cold front may approach from the N Sunday night, but should remain N of the waters. 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. $$ ANZ250-172130- Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- 350 AM EST Wed Jan 17 2018 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY AFTERNOON... .TODAY...E winds 10 to 15 kt, becoming NE this afternoon. Seas 3 to 5 ft. Rain. Patchy fog this afternoon. Vsby 1 NM or less, increasing to 1 to 3 NM this afternoon. .TONIGHT...NW winds 10 to 15 kt, increasing to 15 to 20 kt after midnight. Gusts up to 25 kt. Seas 4 to 6 ft. Patchy fog. A chance of rain. .THU...NW winds around 15 kt with gusts up to 25 kt. Seas 3 to 5 ft. .THU NIGHT...NW winds 10 to 15 kt. Gusts up to 20 kt in the evening. Seas 3 to 5 ft. .FRI...W winds 10 to 15 kt, diminishing to 5 to 10 kt in the afternoon. Seas 2 to 4 ft. .FRI NIGHT...SW winds 10 to 15 kt, increasing to 15 to 20 kt after midnight. Gusts up to 25 kt. Seas 3 to 5 ft. .SAT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. .SAT NIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. .SUN...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .SUN NIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ251-172130- Massachusetts Bay and Ipswich Bay- 350 AM EST Wed Jan 17 2018 ...SMALL CRAFT ADVISORY IN EFFECT FROM NOON EST TODAY THROUGH THIS AFTERNOON... .TODAY...E winds 5 to 10 kt, becoming N this afternoon. Seas 2 to 4 ft...except up to 5 ft east of Cape Ann. Rain. Snow this morning. Patchy fog this afternoon. Vsby 1 NM or less, increasing to 1 to 3 NM this afternoon. .TONIGHT...NW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. Patchy fog. .THU...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. .THU NIGHT...W winds 10 to 15 kt. Gusts up to 20 kt in the evening. Seas 2 to 4 ft. .FRI...W winds 5 to 10 kt. Seas 2 to 3 ft. .FRI NIGHT...SW winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt after midnight. Seas 2 to 4 ft. .SAT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. .SAT NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. .SUN...W winds 5 to 10 kt. Seas 1 foot or less. .SUN NIGHT...W 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. $$ ANZ231-172130- Cape Cod Bay- 350 AM EST Wed Jan 17 2018 .TODAY...E winds 5 to 10 kt, becoming N this afternoon. Seas 2 to 3 ft. Rain. Patchy fog this afternoon. Vsby 1 NM or less, increasing to 1 to 3 NM this afternoon. .TONIGHT...NW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. Patchy fog. .THU...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .THU NIGHT...NW winds 10 to 15 kt. Gusts up to 20 kt in the evening. Seas 2 to 3 ft. .FRI...W winds 5 to 10 kt. Seas around 2 ft. .FRI NIGHT...SW winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt after midnight. Seas 2 to 3 ft. .SAT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. .SAT NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. .SUN...W winds 5 to 10 kt. Seas 1 foot or less. .SUN NIGHT...W winds 5 to 10 kt. Seas 1 foot or less. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ254-172130- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm- 350 AM EST Wed Jan 17 2018 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY AFTERNOON... .TODAY...E winds 10 to 15 kt, becoming N this afternoon. Gusts up to 20 kt. Seas 4 to 6 ft. Rain, mainly this morning. Patchy fog this afternoon with vsby 1 to 3 NM. .TONIGHT...NW winds 10 to 15 kt with gusts up to 25 kt. Seas 4 to 6 ft. Patchy fog. A chance of rain. .THU...NW winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 5 ft. .THU NIGHT...NW winds 10 to 15 kt. Gusts up to 20 kt in the evening. Seas 3 to 5 ft. .FRI...W winds 10 to 15 kt. Seas 2 to 4 ft. .FRI NIGHT...W winds 10 to 15 kt. Gusts up to 25 kt after midnight. Seas 3 to 5 ft. .SAT...SW winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to 6 ft. .SAT NIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. .SUN...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. .SUN NIGHT...W 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. $$ ANZ255-172130- Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- 350 AM EST Wed Jan 17 2018 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY AFTERNOON... .TODAY...E winds 10 to 15 kt with gusts up to 20 kt, becoming N this afternoon. Seas 4 to 6 ft. Rain, mainly this morning. Patchy fog this afternoon with vsby 1 to 3 NM. .TONIGHT...NW winds 10 to 15 kt with gusts up to 25 kt. Seas 4 to 6 ft. Patchy fog. A chance of rain. Vsby 1 to 3 NM. .THU...NW winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 5 ft. .THU NIGHT...NW winds 10 to 15 kt. Gusts up to 20 kt in the evening. Seas 3 to 5 ft. .FRI...W winds 10 to 15 kt. Seas 3 to 5 ft. .FRI NIGHT...W winds 10 to 15 kt. Gusts up to 25 kt after midnight. Seas 3 to 5 ft. .SAT...SW winds 15 to 20 kt with gusts up to 30 kt. Seas 5 to 8 ft. .SAT NIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 7 ft. .SUN...W winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. .SUN NIGHT...W winds 5 to 10 kt. Seas 3 to 5 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ256-172130- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 350 AM EST Wed Jan 17 2018 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY AFTERNOON... .TODAY...NE winds 10 to 15 kt with gusts up to 20 kt, becoming N this afternoon. Seas 4 to 6 ft. Rain, mainly this morning. Patchy fog this afternoon. .TONIGHT...NW winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 6 ft. A chance of rain. .THU...NW winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 6 ft. .THU NIGHT...NW winds 10 to 15 kt with gusts up to 25 kt. Seas 4 to 6 ft. .FRI...W winds 10 to 15 kt. Seas 3 to 5 ft. .FRI NIGHT...W winds 10 to 15 kt, increasing to 15 to 20 kt after midnight. Gusts up to 25 kt. Seas 3 to 5 ft. .SAT...W winds 20 to 25 kt with gusts up to 30 kt. Seas 5 to 8 ft. .SAT NIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 7 ft. .SUN...W winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. .SUN NIGHT...W winds 5 to 10 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. $$ ANZ232-172130- Nantucket Sound- 350 AM EST Wed Jan 17 2018 .TODAY...E winds 10 to 15 kt with gusts up to 20 kt, becoming N this afternoon. Seas 2 to 3 ft. Rain, mainly this morning. Patchy fog this afternoon. Vsby 1 to 3 NM. .TONIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Patchy fog. A chance of rain. .THU...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .THU NIGHT...NW winds 10 to 15 kt. Gusts up to 20 kt in the evening. Seas 2 to 3 ft. .FRI...W winds 5 to 10 kt. Seas around 2 ft. .FRI NIGHT...W winds 5 to 10 kt, becoming SW 10 to 15 kt with gusts up to 20 kt after midnight. Seas 2 to 3 ft. .SAT...SW winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to 5 ft. .SAT NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. .SUN...W winds 5 to 10 kt. Seas 2 to 3 ft. .SUN NIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ233-172130- Vineyard Sound- 350 AM EST Wed Jan 17 2018 .TODAY...NE winds 10 to 15 kt, becoming N this afternoon. Seas 2 to 3 ft. Rain and snow this morning, then a chance of rain this afternoon. Patchy fog this afternoon. .TONIGHT...NW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. .THU...NW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. .THU NIGHT...NW winds 10 to 15 kt. Gusts up to 20 kt in the evening. Seas 2 to 3 ft. .FRI...W winds around 10 kt. Seas 2 to 3 ft. .FRI NIGHT...W winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. .SAT...SW winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to 5 ft. .SAT NIGHT...W winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. .SUN...W winds around 10 kt. Seas 2 to 3 ft. .SUN NIGHT...W 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. $$ ANZ234-172130- Buzzards Bay- 350 AM EST Wed Jan 17 2018 .TODAY...NE winds 5 to 10 kt, becoming N this afternoon. Seas around 2 ft. Rain and snow, mainly this morning. Patchy fog this afternoon. Vsby 1 NM or less this morning. .TONIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. .THU...NW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. .THU NIGHT...W winds 5 to 10 kt. Gusts up to 20 kt in the evening. Seas around 2 ft. .FRI...W winds 5 to 10 kt. Seas 1 foot or less. .FRI NIGHT...W winds 5 to 10 kt, becoming SW 10 to 15 kt with gusts up to 25 kt after midnight. Seas 2 to 3 ft. .SAT...SW winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to 4 ft. .SAT NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .SUN...W winds 5 to 10 kt. Seas around 2 ft. .SUN NIGHT...W winds 5 to 10 kt. Seas around 2 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ235-172130- Rhode Island Sound- 350 AM EST Wed Jan 17 2018 .TODAY...NE winds 10 to 15 kt with gusts up to 20 kt, becoming N this afternoon. Seas 2 to 4 ft. Rain, mainly this morning. Patchy fog this afternoon. .TONIGHT...NW winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Gusts up to 25 kt. Seas 2 to 4 ft. .THU...NW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. .THU NIGHT...NW winds 10 to 15 kt. Gusts up to 20 kt in the evening. Seas 2 to 4 ft. .FRI...W winds 10 to 15 kt. Seas 2 to 4 ft. .FRI NIGHT...W winds 10 to 15 kt, becoming SW 15 to 20 kt after midnight. Gusts up to 25 kt. Seas 2 to 4 ft. .SAT...SW winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to 6 ft. .SAT NIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. .SUN...W winds 5 to 10 kt. Seas 2 to 4 ft. .SUN NIGHT...W 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. $$ ANZ237-172130- Block Island Sound- 350 AM EST Wed Jan 17 2018 .TODAY...NE winds 10 to 15 kt with gusts up to 20 kt, becoming NW this afternoon. Seas 2 to 4 ft. Rain, mainly this morning. Patchy fog this afternoon. .TONIGHT...NW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. .THU...NW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. .THU NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. .FRI...W winds 10 to 15 kt. Seas 2 to 4 ft. .FRI NIGHT...W winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. .SAT...SW winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to 5 ft. .SAT NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. .SUN...W winds 5 to 10 kt. Seas 2 to 3 ft. .SUN NIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ230-172130- Boston Harbor- 350 AM EST Wed Jan 17 2018 .TODAY...E winds 5 to 10 kt, becoming N this afternoon. Waves 1 foot or less. Snow this morning, then rain likely with a chance of snow this afternoon. Patchy fog this afternoon. Vsby 1 NM or less. .TONIGHT...NW winds 10 to 15 kt. Gusts up to 20 kt after midnight. Waves around 2 ft. Patchy fog. A chance of snow. .THU...W winds around 10 kt with gusts up to 20 kt. Waves around 2 ft. .THU NIGHT...W winds 5 to 10 kt. Gusts up to 20 kt in the evening. Waves around 2 ft. .FRI...W winds 5 to 10 kt. Waves 1 foot or less. .FRI NIGHT...SW winds 5 to 10 kt. Waves around 2 ft. .SAT...SW winds 5 to 10 kt with gusts up to 20 kt. Waves around 2 ft. .SAT NIGHT...W winds 5 to 10 kt. Waves 1 foot or less. .SUN...W winds 5 to 10 kt. Waves 1 foot or less. .SUN NIGHT...W 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. $$ ANZ236-172130- Narragansett Bay- 350 AM EST Wed Jan 17 2018 .TODAY...NE winds 5 to 10 kt, becoming NW this afternoon. Waves around 2 ft. Rain. Snow this morning, then a chance of snow this afternoon. Patchy fog this afternoon. Vsby 1 NM or less this morning. .TONIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Waves around 2 ft. .THU...NW winds around 10 kt with gusts up to 20 kt. Waves around 2 ft. .THU NIGHT...W winds 5 to 10 kt. Gusts up to 20 kt in the evening. Waves around 2 ft. .FRI...W winds 5 to 10 kt. Waves around 2 ft. .FRI NIGHT...SW winds 5 to 10 kt. Gusts up to 20 kt after midnight. Waves 2 to 3 ft. .SAT...SW winds 10 to 15 kt with gusts up to 25 kt. Waves 2 to 3 ft. .SAT NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Waves 2 to 3 ft. .SUN...W winds 5 to 10 kt. Waves around 2 ft. .SUN NIGHT...W winds around 5 kt. Waves around 2 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ 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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