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Coastal Waters Forecast
Issued by NWS Boston, MA
Issued by NWS Boston, MA
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000 FZUS51 KBOX 190016 CWFBOX Coastal Waters Forecast National Weather Service Boston/Norton MA 716 PM EST Sun Nov 18 2018 Coastal waters from the Merrimack River MA to Watch Hill RI out to 25 NM ANZ200-191300- 716 PM EST Sun Nov 18 2018 .Synopsis for Massachusetts and Rhode Island coastal waters... A series of low pressure systems will move up across the waters overnight and Monday afternoon. A cold front then sweeps the rain out to sea by Monday evening. Low pressure passes across the waters Tuesday bringing another chance of rain. High pressure then builds cold and dry weather for Wednesday and Thanksgiving Day. 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. $$ ANZ250-191300- Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- 716 PM EST Sun Nov 18 2018 .TONIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. A chance of rain. .MON...S winds 10 to 15 kt, becoming W in the afternoon. Gusts up to 20 kt. Seas 2 to 4 ft. Patchy fog. Rain likely. Vsby 1 to 3 NM. .MON NIGHT...N winds 5 to 10 kt, becoming NE after midnight. Seas 2 to 3 ft. Rain likely. .TUE...E winds 15 to 20 kt, becoming NE 20 to 25 kt in the afternoon. Seas 4 to 7 ft. Patchy fog. Rain likely. .TUE NIGHT...NW winds 15 to 20 kt with gusts up to 25 kt. Seas 5 to 8 ft. A chance of rain. .WED...W winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Gusts up to 25 kt. Seas 4 to 6 ft. .WED NIGHT...NW winds 20 to 25 kt with gusts up to 30 kt. Seas 4 to 6 ft. .THU...NW winds 20 to 25 kt with gusts up to 30 kt. Seas 4 to 7 ft. .THU NIGHT...NW winds 20 to 25 kt with gusts up to 30 kt. Seas 4 to 6 ft. .FRI...NW winds 15 to 20 kt. Seas 2 to 4 ft. .FRI NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ251-191300- Massachusetts Bay and Ipswich Bay- 716 PM EST Sun Nov 18 2018 .TONIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. A chance of rain this evening, then rain likely after midnight. .MON...S winds 5 to 10 kt with gusts up to 20 kt, becoming NW in the afternoon. Seas 2 to 3 ft. Patchy fog. Rain likely. Vsby 1 NM or less. .MON NIGHT...N winds 5 to 10 kt. Seas around 2 ft. Rain likely. .TUE...E winds 10 to 15 kt, becoming NE 15 to 20 kt in the afternoon. Gusts up to 25 kt. Seas 3 to 5 ft. Patchy fog. Rain. .TUE NIGHT...N winds 15 to 20 kt, becoming NW 10 to 15 kt after midnight. Gusts up to 25 kt. Seas 4 to 6 ft. .WED...W winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. .WED NIGHT...NW winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to 4 ft. .THU...NW winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to 4 ft. .THU NIGHT...NW winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to 3 ft. .FRI...NW winds 10 to 15 kt. Seas around 2 ft. .FRI NIGHT...W 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. $$ ANZ231-191300- Cape Cod Bay- 716 PM EST Sun Nov 18 2018 .TONIGHT...S winds around 5 kt. Seas 1 foot or less. A slight chance of rain this evening, then a chance of rain after midnight. .MON...SW winds 5 to 10 kt with gusts up to 20 kt. Seas 1 foot or less. A chance of rain. .MON NIGHT...N winds around 5 kt, becoming NE after midnight. Seas 1 foot or less. Rain likely. .TUE...E winds 5 to 10 kt, becoming NE 15 to 20 kt with gusts up to 25 kt in the afternoon. Seas 2 to 4 ft. Patchy fog. Rain likely. .TUE NIGHT...N winds 15 to 20 kt, becoming NW 10 to 15 kt after midnight. Gusts up to 25 kt. Seas 3 to 5 ft. A chance of rain. .WED...W winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. .WED NIGHT...W winds 15 to 20 kt, becoming NW 20 to 25 kt after midnight. Gusts up to 30 kt. Seas 3 to 5 ft. .THU...NW winds 20 to 25 kt with gusts up to 30 kt. Seas 3 to 5 ft. .THU NIGHT...NW winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to 4 ft. .FRI...NW winds 10 to 15 kt. Seas 2 to 3 ft. .FRI NIGHT...W winds 5 to 10 kt. Seas around 2 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ254-191300- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm- 716 PM EST Sun Nov 18 2018 .TONIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. A slight chance of rain after midnight. .MON...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. A chance of rain. .MON NIGHT...NW winds 5 to 10 kt, becoming NE after midnight. Seas 2 to 3 ft. A chance of rain. .TUE...SE winds 5 to 10 kt, becoming SW 10 to 15 kt in the afternoon. Gusts up to 25 kt. Seas 3 to 5 ft. Patchy fog. A chance of rain. .TUE NIGHT...NW winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 7 ft. A chance of rain. .WED...W winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Gusts up to 25 kt. Seas 4 to 6 ft. .WED NIGHT...NW winds 20 to 25 kt with gusts up to 35 kt. Seas 4 to 7 ft. .THU...NW winds 20 to 25 kt with gusts up to 35 kt. Seas 5 to 8 ft. A chance of snow showers. .THU NIGHT...NW winds 20 to 25 kt with gusts up to 30 kt. Seas 4 to 7 ft. .FRI...NW winds 15 to 20 kt. Seas 3 to 5 ft. .FRI NIGHT...W 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. $$ ANZ255-191300- Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- 716 PM EST Sun Nov 18 2018 .TONIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. .MON...SW winds 10 to 15 kt with gusts up to 20 kt. Seas around 3 ft. A chance of rain. .MON NIGHT...W winds 5 to 10 kt, becoming NE after midnight. Seas 2 to 3 ft. A chance of rain. .TUE...SE winds 5 to 10 kt, becoming W 10 to 15 kt in the afternoon. Gusts up to 25 kt. Seas 2 to 4 ft. A chance of rain. .TUE NIGHT...NW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. A chance of rain. .WED...NW winds 10 to 15 kt, becoming W 15 to 20 kt in the afternoon. Gusts up to 30 kt. Seas 4 to 6 ft. .WED NIGHT...NW winds 20 to 25 kt with gusts up to 30 kt. Seas 4 to 7 ft. .THU...NW winds 20 to 25 kt with gusts up to 30 kt. Seas 4 to 7 ft. .THU NIGHT...NW winds 20 to 25 kt with gusts up to 30 kt. Seas 3 to 5 ft. .FRI...NW winds 15 to 20 kt. Seas 2 to 4 ft. .FRI NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ256-191300- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 716 PM EST Sun Nov 18 2018 .TONIGHT...S winds around 5 kt, increasing to 5 to 10 kt after midnight. Seas 2 to 3 ft. A slight chance of rain after midnight. .MON...SW winds 10 to 15 kt with gusts up to 20 kt. Seas around 3 ft. A chance of rain. .MON NIGHT...NW winds 5 to 10 kt, becoming E after midnight. Seas 2 to 3 ft. A chance of rain. .TUE...SE winds 5 to 10 kt, becoming NW 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 2 to 4 ft. Patchy fog. A chance of rain. .TUE NIGHT...NW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. .WED...NW winds 10 to 15 kt, becoming W 15 to 20 kt in the afternoon. Gusts up to 30 kt. Seas 3 to 5 ft. .WED NIGHT...NW winds 20 to 25 kt with gusts up to 35 kt. Seas 4 to 6 ft. .THU...NW winds 20 to 25 kt with gusts up to 30 kt. Seas 4 to 6 ft. .THU NIGHT...N winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to 5 ft. .FRI...NW winds 10 to 15 kt. Seas 2 to 3 ft. .FRI NIGHT...W 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. $$ ANZ232-191300- Nantucket Sound- 716 PM EST Sun Nov 18 2018 .TONIGHT...S winds around 5 kt. Seas 1 foot or less. A slight chance of rain after midnight. .MON...SW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. A chance of rain. .MON NIGHT...NW winds 5 to 10 kt, becoming NE after midnight. Seas around 2 ft. A chance of rain. .TUE...SE winds 5 to 10 kt, becoming W 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas around 2 ft. Patchy fog. Rain likely. .TUE NIGHT...NW winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Gusts up to 25 kt. Seas 2 to 4 ft. A chance of rain. .WED...NW winds 10 to 15 kt, becoming W 15 to 20 kt in the afternoon. Gusts up to 25 kt. Seas 2 to 4 ft. .WED NIGHT...W winds 15 to 20 kt, becoming NW 20 to 25 kt after midnight. Gusts up to 30 kt. Seas 3 to 5 ft. .THU...NW winds 20 to 25 kt with gusts up to 30 kt. Seas 3 to 5 ft. .THU NIGHT...NW winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to 4 ft. .FRI...NW winds 10 to 15 kt. Seas 2 to 3 ft. .FRI NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ233-191300- Vineyard Sound- 716 PM EST Sun Nov 18 2018 .TONIGHT...S winds around 5 kt. Seas around 2 ft. A chance of rain after midnight. .MON...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. A chance of rain. .MON NIGHT...NW winds 5 to 10 kt, becoming NE after midnight. Seas around 2 ft. A chance of rain. .TUE...E winds 5 to 10 kt, becoming NW 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas around 2 ft. Patchy fog. Rain likely. .TUE NIGHT...NW winds 10 to 15 kt with gusts up to 25 kt. Seas around 2 ft. A chance of rain. .WED...W winds 10 to 15 kt with gusts up to 20 kt, increasing to 15 to 20 kt with gusts up to 30 kt in the afternoon. Seas 2 to 4 ft. .WED NIGHT...NW winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to 4 ft. .THU...NW winds around 20 kt with gusts up to 30 kt. Seas around 3 ft. .THU NIGHT...NW winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to 3 ft. .FRI...NW winds 10 to 15 kt. Seas around 2 ft. .FRI NIGHT...W winds around 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. $$ ANZ234-191300- Buzzards Bay- 716 PM EST Sun Nov 18 2018 .TONIGHT...S winds around 5 kt. Seas 1 foot or less. A chance of rain after midnight. .MON...SW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. A chance of rain. .MON NIGHT...NW winds 5 to 10 kt, becoming NE after midnight. Seas 1 foot or less. Rain likely. .TUE...E winds around 5 kt, becoming NW 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas around 2 ft. Patchy fog. Rain likely. .TUE NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. A chance of rain. .WED...W winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. .WED NIGHT...NW winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to 4 ft. .THU...NW winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to 3 ft. .THU NIGHT...NW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 3 ft. .FRI...NW winds 10 to 15 kt. Seas 1 foot or less. .FRI NIGHT...W winds 5 to 10 kt. Seas around 2 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ235-191300- Rhode Island Sound- 716 PM EST Sun Nov 18 2018 .TONIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. A slight chance of rain after midnight. .MON...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. A chance of rain. .MON NIGHT...NW winds 5 to 10 kt, becoming NE after midnight. Seas 2 to 3 ft. A chance of rain. .TUE...E winds 5 to 10 kt, becoming NW 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 2 to 3 ft. Patchy fog. Rain likely. .TUE NIGHT...NW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. .WED...W winds 10 to 15 kt with gusts up to 20 kt, increasing to 15 to 20 kt with gusts up to 30 kt in the afternoon. Seas 2 to 4 ft. .WED NIGHT...NW winds 15 to 20 kt with gusts up to 35 kt. Seas 3 to 5 ft. .THU...NW winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to 4 ft. .THU NIGHT...NW winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to 3 ft. .FRI...NW winds 10 to 15 kt. Seas around 2 ft. .FRI NIGHT...W 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. $$ ANZ237-191300- Block Island Sound- 716 PM EST Sun Nov 18 2018 .TONIGHT...S winds around 5 kt. Seas 2 to 3 ft. A slight chance of rain after midnight. .MON...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. A chance of rain. .MON NIGHT...N winds 5 to 10 kt, becoming NE after midnight. Seas 2 to 3 ft. A chance of rain. .TUE...NE winds 5 to 10 kt, becoming N 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 2 to 3 ft. Patchy fog. Rain likely. .TUE NIGHT...NW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. .WED...W winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Gusts up to 25 kt. Seas 2 to 3 ft. .WED NIGHT...NW winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to 4 ft. .THU...NW winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to 4 ft. .THU NIGHT...NW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 3 ft. .FRI...NW winds 10 to 15 kt. Seas around 2 ft. .FRI NIGHT...W winds 5 to 10 kt. Seas around 2 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ230-191300- Boston Harbor- 716 PM EST Sun Nov 18 2018 .TONIGHT...S winds around 5 kt. Waves 1 foot or less. A chance of rain this evening, then rain likely after midnight. Patchy fog after midnight. .MON...S winds around 5 kt, becoming NW in the afternoon. Waves 1 foot or less. Patchy fog. Rain likely. Vsby 1 to 3 NM. .MON NIGHT...N winds around 5 kt. Waves 1 foot or less. Rain likely with a chance of snow. .TUE...NE winds 5 to 10 kt, becoming N 10 to 15 kt with gusts up to 20 kt in the afternoon. Waves 2 to 3 ft. Patchy fog. Rain with a chance of snow. Vsby 1 NM or less. .TUE NIGHT...NW winds 5 to 10 kt with gusts up to 20 kt. Waves around 2 ft, except 3 to 5 ft at the outer harbor entrance. A chance of snow. Vsby 1 NM or less. .WED...W winds around 10 kt. Gusts up to 20 kt in the afternoon. Waves around 2 ft. .WED NIGHT...NW winds 10 to 15 kt with gusts up to 25 kt. Waves around 2 ft. .THU...NW winds 10 to 15 kt with gusts up to 25 kt. Waves around 2 ft. .THU NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Waves around 2 ft. .FRI...NW winds 5 to 10 kt. Waves 1 foot or less. .FRI NIGHT...W 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. $$ ANZ236-191300- Narragansett Bay- 716 PM EST Sun Nov 18 2018 .TONIGHT...S winds around 5 kt. Waves around 2 ft. A slight chance of rain this evening, then a chance of rain after midnight. .MON...S winds 5 to 10 kt, becoming W in the afternoon. Waves 2 to 3 ft. A chance of rain. .MON NIGHT...N winds around 5 kt. Waves around 2 ft. Rain likely. .TUE...N winds 5 to 10 kt. Waves around 2 ft. Patchy fog. Rain likely. .TUE NIGHT...NW winds 5 to 10 kt. Gusts up to 20 kt after midnight. Waves around 2 ft. .WED...W winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt in the afternoon. Waves around 2 ft. .WED NIGHT...NW winds 10 to 15 kt with gusts up to 25 kt. Waves 2 to 3 ft. .THU...NW winds 10 to 15 kt with gusts up to 25 kt. Waves 2 to 3 ft. .THU NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Waves around 2 ft. .FRI...NW winds 5 to 10 kt. Waves 1 foot or less. .FRI NIGHT...W winds 5 to 10 kt. Waves around 2 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ 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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