Coastal Waters Forecast
Issued by NWS Boston, MA

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660 FZUS51 KBOX 170016 CWFBOX Coastal Waters Forecast National Weather Service Boston/Norton MA 716 PM EST Sat Feb 16 2019 Coastal waters from the Merrimack River MA to Watch Hill RI out to 25 NM ANZ200-171300- 716 PM EST Sat Feb 16 2019 .Synopsis for Massachusetts and Rhode Island coastal waters... Canadian high pres builds across New England through Sunday. Low pres approaches the waters from the SW Sun night, passing just S of the waters on Mon. High pres builds in from the W on Tue and Wed. Low pres approaches the waters from the SW Wed night, then passes S of the waters on Thu. 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. $$ ANZ250-171300- Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- 716 PM EST Sat Feb 16 2019 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 PM EST THIS EVENING... .TONIGHT...NW winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 5 ft. .SUN...N winds 5 to 10 kt. Seas 2 to 4 ft. .SUN NIGHT...SE winds around 5 kt, increasing to 5 to 10 kt after midnight. Seas 2 to 4 ft. Snow. Vsby 1 NM or less. .MON...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. Snow. Vsby 1 NM or less. .MON NIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. A chance of snow. Vsby 1 to 3 NM. .TUE...NW winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 5 ft. .TUE NIGHT...NW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. A chance of light freezing spray. .WED...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. .WED NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Snow likely. Vsby 1 to 3 NM. .THU...E winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Snow, sleet likely, a chance of rain and freezing rain. Vsby 1 to 3 NM. .THU NIGHT...NW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ251-171300- Massachusetts Bay and Ipswich Bay- 716 PM EST Sat Feb 16 2019 .TONIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. .SUN...NW winds 5 to 10 kt, becoming NE in the afternoon. Seas 2 to 3 ft. .SUN NIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft. Snow. Vsby 1 NM or less. .MON...NE winds 5 to 10 kt, increasing to 10 to 15 kt in the afternoon. Gusts up to 20 kt. Seas 2 to 4 ft. Snow. Vsby 1 NM or less. .MON NIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. A chance of snow. Vsby 1 to 3 NM. .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 3 ft. .WED...NW winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 3 ft. A chance of snow. Vsby 1 to 3 NM. .WED NIGHT...SE winds 5 to 10 kt. Seas around 2 ft. Snow likely. Vsby 1 to 3 NM. .THU...E winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. Snow likely, a chance of rain, sleet and freezing rain. Vsby 1 to 3 NM. .THU 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. $$ ANZ231-171300- Cape Cod Bay- 716 PM EST Sat Feb 16 2019 .TONIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. .SUN...N winds 5 to 10 kt. Seas 2 to 3 ft. .SUN NIGHT...SE winds around 5 kt. Seas 2 to 3 ft. Snow. Vsby 1 NM or less. .MON...NE winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 3 ft. Snow. Vsby 1 NM or less. .MON NIGHT...N winds 5 to 10 kt, becoming NW 10 to 15 kt with gusts up to 20 kt after midnight. Seas 2 to 3 ft. A chance of snow. Vsby 1 to 3 NM. .TUE...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. .TUE NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .WED...N winds 10 to 15 kt. Seas 2 to 3 ft. A chance of snow. Vsby 1 to 3 NM. .WED NIGHT...SE winds 10 to 15 kt. Seas around 2 ft. Snow and sleet likely. Vsby 1 to 3 NM. .THU...E winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. Sleet likely, a chance of rain and freezing rain. Vsby 1 to 3 NM. .THU NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ254-171300- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm- 716 PM EST Sat Feb 16 2019 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 PM EST THIS EVENING... .TONIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. .SUN...N winds 5 to 10 kt. Gusts up to 20 kt in the morning. Seas 2 to 4 ft. .SUN NIGHT...E winds around 5 kt, increasing to 5 to 10 kt after midnight. Seas 3 to 5 ft. Snow. Vsby 1 NM or less. .MON...NE winds 10 to 15 kt with gusts up to 25 kt. Seas 4 to 6 ft. Snow, rain and sleet. Vsby 1 NM or less. .MON NIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 6 ft. A chance of snow. Vsby 1 to 3 NM. .TUE...NW winds 10 to 15 kt with gusts up to 25 kt. Seas 4 to 6 ft. .TUE NIGHT...NW winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 6 ft. A chance of light freezing spray. .WED...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. .WED NIGHT...E winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Snow, sleet and freezing rain likely. Vsby 1 to 3 NM. .THU...E winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 5 ft. Rain, sleet likely with a chance of freezing rain. Vsby 1 to 3 NM. .THU 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. $$ ANZ255-171300- Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- 716 PM EST Sat Feb 16 2019 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 PM EST THIS EVENING... .TONIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft. .SUN...NE winds 5 to 10 kt. Gusts up to 20 kt in the morning. Seas 2 to 4 ft. .SUN NIGHT...E winds around 5 kt, increasing to 5 to 10 kt with gusts up to 20 kt after midnight. Seas 3 to 5 ft. Snow, rain and sleet. Vsby 1 NM or less. .MON...NE winds 10 to 15 kt with gusts up to 25 kt. Seas 4 to 6 ft. Rain, snow and sleet. Vsby 1 to 3 NM. .MON NIGHT...N winds 10 to 15 kt. Gusts up to 20 kt after midnight. Seas 4 to 6 ft. A chance of snow. .TUE...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. .TUE NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. .WED...N winds 5 to 10 kt. Seas 2 to 4 ft. A chance of snow. Vsby 1 to 3 NM. .WED NIGHT...E winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Snow, sleet, rain and freezing rain likely. Vsby 1 to 3 NM. .THU...E winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 5 ft. Rain likely with a chance of freezing rain. .THU NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ256-171300- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 716 PM EST Sat Feb 16 2019 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 PM EST THIS EVENING... .TONIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. .SUN...N winds 5 to 10 kt with gusts up to 20 kt, becoming E in the afternoon. Seas 3 to 4 ft. .SUN NIGHT...SE winds 5 to 10 kt, becoming E 10 to 15 kt with gusts up to 20 kt after midnight. Seas 3 to 5 ft. Snow, rain and sleet. Vsby 1 NM or less. .MON...NE winds 10 to 15 kt with gusts up to 25 kt. Seas 4 to 7 ft. Rain and snow. .MON NIGHT...N winds 10 to 15 kt with gusts up to 25 kt. Seas 4 to 6 ft. A chance of snow. .TUE...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. .TUE NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. .WED...NE winds 5 to 10 kt. Seas around 2 ft. A chance of snow. Vsby 1 to 3 NM. .WED NIGHT...E winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. Snow, rain and sleet likely. Vsby 1 to 3 NM. .THU...NE winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 4 ft. Rain likely with a chance of freezing rain. .THU 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. $$ ANZ232-171300- Nantucket Sound- 716 PM EST Sat Feb 16 2019 .TONIGHT...NW winds 5 to 10 kt, becoming N 10 to 15 kt after midnight. Gusts up to 20 kt. Seas 2 to 3 ft. .SUN...NE winds 5 to 10 kt. Seas around 2 ft. .SUN NIGHT...SE winds around 5 kt, becoming E after midnight. Seas 2 to 3 ft. Snow and sleet. Vsby 1 NM or less. .MON...NE winds 10 to 15 kt, diminishing to 5 to 10 kt in the afternoon. Gusts up to 20 kt. Seas 2 to 4 ft. Snow, rain and sleet. Vsby 1 NM or less. .MON NIGHT...N winds 5 to 10 kt, becoming NW 10 to 15 kt with gusts up to 20 kt after midnight. Seas 2 to 3 ft. A chance of snow. .TUE...NW winds 10 to 15 kt. Gusts up to 20 kt in the morning. Seas 2 to 3 ft. .TUE NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .WED...N winds 5 to 10 kt. Seas 1 foot or less. A chance of snow. Vsby 1 to 3 NM. .WED NIGHT...E winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. Snow, sleet and freezing rain likely. Vsby 1 to 3 NM. .THU...E winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. A chance of rain and freezing rain. .THU NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ233-171300- Vineyard Sound- 716 PM EST Sat Feb 16 2019 .TONIGHT...NW winds 5 to 10 kt, becoming N 10 to 15 kt after midnight. Gusts up to 20 kt. Seas around 2 ft. .SUN...N winds 5 to 10 kt, becoming E in the afternoon. Seas around 2 ft. .SUN NIGHT...E winds 5 to 10 kt. Seas around 2 ft. Snow and sleet. Vsby 1 NM or less. .MON...NE winds 5 to 10 kt with gusts up to 20 kt. Seas around 2 ft. Snow, rain and sleet. Vsby 1 to 3 NM. .MON NIGHT...N winds 10 to 15 kt. Gusts up to 20 kt after midnight. Seas around 2 ft. A chance of snow. .TUE...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .TUE NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. .WED...N winds 5 to 10 kt. Seas 1 foot or less. A chance of snow. Vsby 1 to 3 NM. .WED NIGHT...SE winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. Snow, sleet and freezing rain likely. Vsby 1 to 3 NM. .THU...NE winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. A chance of rain and freezing rain. .THU 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. $$ ANZ234-171300- Buzzards Bay- 716 PM EST Sat Feb 16 2019 .TONIGHT...N winds 5 to 10 kt. Gusts up to 20 kt after midnight. Seas around 2 ft. .SUN...N winds 5 to 10 kt, becoming E in the afternoon. Seas around 2 ft. .SUN NIGHT...SE winds around 5 kt, becoming E after midnight. Seas around 2 ft. Snow and sleet. Vsby 1 NM or less. .MON...NE winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 3 ft. Snow and sleet. Vsby 1 NM or less. .MON NIGHT...N winds 5 to 10 kt. Gusts up to 20 kt after midnight. Seas 2 to 3 ft. A chance of snow. Vsby 1 to 3 NM. .TUE...NW winds 5 to 10 kt. Seas around 2 ft. .TUE NIGHT...NW winds 5 to 10 kt. Seas 1 foot or less. .WED...N winds 5 to 10 kt. Seas 1 foot or less. A chance of snow. Vsby 1 to 3 NM. .WED NIGHT...SE winds 10 to 15 kt. Seas around 2 ft. Snow, sleet and freezing rain likely. Vsby 1 to 3 NM. .THU...NE winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. Freezing rain likely with a chance of rain. .THU NIGHT...NW winds 5 to 10 kt with gusts up to 20 kt. Seas around 2 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ235-171300- Rhode Island Sound- 716 PM EST Sat Feb 16 2019 .TONIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. .SUN...N winds 5 to 10 kt with gusts up to 20 kt, becoming E in the afternoon. Seas 2 to 4 ft. .SUN NIGHT...SE winds 5 to 10 kt, becoming E 10 to 15 kt with gusts up to 20 kt after midnight. Seas 2 to 4 ft. Snow and sleet. Vsby 1 NM or less. .MON...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. Snow and rain. Vsby 1 to 3 NM. .MON NIGHT...N winds 10 to 15 kt. Gusts up to 20 kt after midnight. Seas 2 to 4 ft. A chance of snow. .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. .WED...NE winds 5 to 10 kt. Seas 1 foot or less. A chance of snow. Vsby 1 to 3 NM. .WED NIGHT...SE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Snow, sleet, rain and freezing rain likely. Vsby 1 to 3 NM. .THU...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Rain likely with a chance of freezing rain. .THU 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. $$ ANZ237-171300- Block Island Sound- 716 PM EST Sat Feb 16 2019 .TONIGHT...N winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 4 ft. .SUN...N winds 5 to 10 kt, becoming SE in the afternoon. Seas 2 to 4 ft. .SUN NIGHT...SE winds around 5 kt, becoming E with gusts up to 20 kt after midnight. Seas 2 to 4 ft. Snow, rain and sleet. Vsby 1 to 3 NM. .MON...NE winds 10 to 15 kt, becoming N 5 to 10 kt in the afternoon. Gusts up to 20 kt. Seas 3 to 5 ft. Snow and rain. .MON NIGHT...NW winds 10 to 15 kt. Gusts up to 20 kt after midnight. Seas 2 to 4 ft. A chance of snow. .TUE...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .TUE NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .WED...NE winds 5 to 10 kt. Seas 1 foot or less. A chance of snow. Vsby 1 to 3 NM. .WED NIGHT...E winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Snow, sleet, rain and freezing rain likely. Vsby 1 to 3 NM. .THU...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Rain and freezing rain likely. .THU NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ230-171300- Boston Harbor- 716 PM EST Sat Feb 16 2019 .TONIGHT...NW winds 5 to 10 kt with gusts up to 20 kt. Waves around 2 ft. .SUN...NW winds 5 to 10 kt, becoming NE in the afternoon. Waves around 2 ft. .SUN NIGHT...SE winds around 5 kt, becoming E around 5 kt after midnight. Waves 1 foot or less. Snow. Vsby 1 NM or less. .MON...NE winds 5 to 10 kt. Gusts up to 20 kt in the afternoon. Waves 1 foot or less. Snow. Vsby 1 NM or less. .MON NIGHT...NW winds 5 to 10 kt. Gusts up to 20 kt after midnight. Waves around 2 ft. A chance of snow. Vsby 1 to 3 NM. .TUE...NW winds around 10 kt. Waves around 2 ft. .TUE NIGHT...NW winds 5 to 10 kt. Waves 1 foot or less. .WED...NW winds 5 to 10 kt. Waves 1 foot or less. A chance of snow. Vsby 1 to 3 NM. .WED NIGHT...SE winds 5 to 10 kt. Waves 1 foot or less. Snow likely. Vsby 1 to 3 NM. .THU...E winds 5 to 10 kt. Waves 1 foot or less. Snow and sleet likely. Vsby 1 to 3 NM. .THU NIGHT...NW winds around 10 kt with gusts up to 20 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. $$ ANZ236-171300- Narragansett Bay- 716 PM EST Sat Feb 16 2019 .TONIGHT...N winds 5 to 10 kt. Waves around 2 ft. .SUN...N winds 5 to 10 kt, becoming E in the afternoon. Waves around 2 ft. .SUN NIGHT...SE winds around 5 kt, becoming E after midnight. Waves around 2 ft. Snow. Vsby 1 NM or less. .MON...NE winds 5 to 10 kt. Gusts up to 20 kt in the morning. Waves around 2 ft. Snow and sleet. Vsby 1 NM or less. .MON NIGHT...NW winds 5 to 10 kt. Waves 2 to 3 ft. A chance of snow. .TUE...NW winds 5 to 10 kt. Waves around 2 ft. .TUE NIGHT...NW winds 5 to 10 kt. Waves 1 foot or less. .WED...N winds 5 to 10 kt. Waves 1 foot or less. A chance of snow. Vsby 1 to 3 NM. .WED NIGHT...SE winds 5 to 10 kt. Waves around 2 ft. Snow, sleet and freezing rain likely. Vsby 1 to 3 NM. .THU...NE winds 5 to 10 kt with gusts up to 20 kt. Waves around 2 ft. Freezing rain likely with a chance of rain. .THU NIGHT...NW winds around 10 kt. Waves around 2 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ 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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