Coastal Waters Forecast
Issued by NWS Boston, MA

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000 FZUS51 KBOX 140017 CWFBOX Coastal Waters Forecast National Weather Service Boston/Norton MA 717 PM EST Wed Feb 13 2019 Coastal waters from the Merrimack River MA to Watch Hill RI out to 25 NM ANZ200-141300- 717 PM EST Wed Feb 13 2019 .Synopsis for Massachusetts and Rhode Island coastal waters... Weak high pressure builds across the waters Thu. Low pressure then tracks across southern Ontario and Quebec Friday. Its attending cold front sweeps across the waters Fri night. A wave of low pressure may track along this front south of New England Saturday. 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. $$ ANZ250-141300- Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- 717 PM EST Wed Feb 13 2019 ...GALE WARNING IN EFFECT THROUGH THURSDAY AFTERNOON... .TONIGHT...W winds 15 to 20 kt, increasing to 20 to 25 kt after midnight. Gusts up to 35 kt. Seas 5 to 8 ft. A slight chance of showers this evening. .THU...W winds 25 to 30 kt, diminishing to 20 to 25 kt in the afternoon. Seas 4 to 7 ft. .THU NIGHT...W winds 15 to 20 kt, becoming S 10 to 15 kt after midnight. Seas 2 to 4 ft. .FRI...S winds 20 to 25 kt with gusts up to 30 kt. Seas 4 to 7 ft. A chance of showers. .FRI NIGHT...SW winds 15 to 20 kt, becoming W 10 to 15 kt after midnight. Gusts up to 25 kt. Seas 5 to 8 ft. A chance of showers. .SAT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. .SAT NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. .SUN...NW winds 10 to 15 kt. Seas 2 to 4 ft. .SUN NIGHT...NW winds 10 to 15 kt. Seas 3 to 5 ft. A chance of snow. .MON...N winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 6 ft. A chance of snow. .MON NIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 6 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ251-141300- Massachusetts Bay and Ipswich Bay- 717 PM EST Wed Feb 13 2019 ...GALE WARNING IN EFFECT THROUGH THURSDAY AFTERNOON... .TONIGHT...W winds 15 to 20 kt with gusts up to 35 kt. Seas 4 to 7 ft. A chance of showers this evening. .THU...W winds 20 to 25 kt, diminishing to 15 to 20 kt in the afternoon. Gusts up to 35 kt. Seas 2 to 4 ft. .THU NIGHT...SW winds 10 to 15 kt, becoming S after midnight. Gusts up to 20 kt. Seas around 2 ft. .FRI...S winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. A chance of showers. .FRI NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. A chance of showers. .SAT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. .SAT NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. .SUN...NW winds 5 to 10 kt. Seas 2 to 3 ft. .SUN NIGHT...N winds 5 to 10 kt. Seas 2 to 3 ft. A chance of snow. .MON...N winds 10 to 15 kt. Seas 3 to 5 ft. A chance of snow. .MON NIGHT...NW winds 10 to 15 kt. Seas 3 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. $$ ANZ231-141300- Cape Cod Bay- 717 PM EST Wed Feb 13 2019 ...GALE WARNING IN EFFECT THROUGH THURSDAY MORNING... .TONIGHT...W winds 15 to 20 kt with gusts up to 35 kt. Seas 3 to 5 ft. .THU...W winds 20 to 25 kt, diminishing to 15 to 20 kt in the afternoon. Gusts up to 35 kt. Seas 2 to 4 ft. .THU NIGHT...SW winds 5 to 10 kt, becoming S after midnight. Gusts up to 20 kt. Seas 2 to 3 ft. .FRI...S winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. A chance of showers. .FRI NIGHT...SW winds 10 to 15 kt with gusts up to 25 kt, becoming W 5 to 10 kt after midnight. Seas 2 to 4 ft. A chance of showers. .SAT...NW winds 10 to 15 kt, diminishing to 5 to 10 kt in the afternoon. Seas 2 to 3 ft. .SAT NIGHT...NW winds 10 to 15 kt. Gusts up to 20 kt after midnight. Seas 2 to 3 ft. .SUN...NW winds 5 to 10 kt. Seas 2 to 3 ft. A chance of snow. .SUN NIGHT...E winds 5 to 10 kt. Seas 2 to 3 ft. A chance of snow. .MON...N winds 10 to 15 kt. Seas 2 to 4 ft. A chance of snow. .MON NIGHT...N winds 10 to 15 kt. Seas 2 to 4 ft. A chance of snow. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ254-141300- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm- 717 PM EST Wed Feb 13 2019 ...GALE WARNING IN EFFECT THROUGH THURSDAY AFTERNOON... .TONIGHT...W winds 20 to 25 kt with gusts up to 35 kt. Seas 5 to 8 ft, except 9 to 12 ft S and E of Nantucket. .THU...W winds 20 to 25 kt with gusts up to 35 kt. Seas 5 to 8 ft. .THU NIGHT...W winds 10 to 15 kt, becoming S after midnight. Gusts up to 20 kt. Seas 2 to 4 ft. .FRI...SE winds 15 to 20 kt, becoming S 20 to 25 kt in the afternoon. Gusts up to 30 kt. Seas 4 to 6 ft. A chance of showers. .FRI NIGHT...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 5 to 8 ft. A chance of showers. .SAT...NW winds 10 to 15 kt with gusts up to 20 kt. 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...NW winds 5 to 10 kt. Seas 2 to 4 ft. .SUN NIGHT...NE winds 5 to 10 kt. Seas 3 to 5 ft. A chance of snow. .MON...N winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 6 ft. A chance of snow. .MON NIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 6 ft. A chance of snow. 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. $$ ANZ255-141300- Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- 717 PM EST Wed Feb 13 2019 ...GALE WARNING IN EFFECT THROUGH THURSDAY AFTERNOON... .TONIGHT...W winds 20 to 25 kt with gusts up to 40 kt. Seas 8 to 11 ft. .THU...W winds 25 to 30 kt, diminishing to 20 to 25 kt in the afternoon. Seas 7 to 10 ft. .THU NIGHT...W winds 10 to 15 kt, becoming S after midnight. Gusts up to 20 kt. Seas 4 to 6 ft. .FRI...S winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 7 ft. A chance of showers. .FRI NIGHT...SW winds 15 to 20 kt, becoming W 10 to 15 kt after midnight. Gusts up to 25 kt. Seas 6 to 9 ft. A chance of showers. .SAT...NW winds around 10 kt. Seas 4 to 7 ft. .SAT NIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. .SUN...NW winds 5 to 10 kt. Seas 2 to 4 ft. A chance of snow. .SUN NIGHT...E winds 5 to 10 kt. Seas 3 to 5 ft. A chance of snow. .MON...N winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 6 ft. A chance of snow. .MON NIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 6 ft. A chance of snow. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ256-141300- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 717 PM EST Wed Feb 13 2019 ...GALE WARNING IN EFFECT THROUGH THURSDAY AFTERNOON... .TONIGHT...W winds 20 to 25 kt with gusts up to 40 kt. Seas 8 to 11 ft. .THU...W winds 20 to 25 kt with gusts up to 35 kt. Seas 6 to 9 ft. .THU NIGHT...SW winds 10 to 15 kt, becoming S after midnight. Gusts up to 20 kt. Seas 3 to 5 ft. .FRI...S winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 7 ft. A chance of showers. .FRI NIGHT...SW winds 15 to 20 kt, becoming W 10 to 15 kt after midnight. Gusts up to 25 kt. Seas 6 to 9 ft. A chance of showers. .SAT...NW winds around 10 kt. Seas 4 to 7 ft. .SAT NIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 5 ft. .SUN...N winds 5 to 10 kt. Seas 3 to 4 ft. A chance of snow. .SUN NIGHT...E winds 5 to 10 kt. Seas 3 to 5 ft. A chance of snow. .MON...N winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 5 ft. A chance of snow. .MON NIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 6 ft. A chance of snow. 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. $$ ANZ232-141300- Nantucket Sound- 717 PM EST Wed Feb 13 2019 ...GALE WARNING IN EFFECT THROUGH THURSDAY MORNING... .TONIGHT...W winds 15 to 20 kt with gusts up to 35 kt. Seas 3 to 5 ft. .THU...W winds 20 to 25 kt, diminishing to 15 to 20 kt in the afternoon. Gusts up to 35 kt. Seas 2 to 4 ft. .THU NIGHT...W winds 10 to 15 kt, becoming S 5 to 10 kt after midnight. Gusts up to 20 kt. Seas 2 to 3 ft. .FRI...S winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. A chance of showers. .FRI NIGHT...SW winds 10 to 15 kt with gusts up to 25 kt, becoming W 5 to 10 kt after midnight. Seas 3 to 5 ft. A chance of showers. .SAT...NW winds 5 to 10 kt. Seas 2 to 4 ft. .SAT NIGHT...N winds 10 to 15 kt. Gusts up to 20 kt after midnight. Seas 2 to 3 ft. .SUN...NW winds 5 to 10 kt. Seas around 2 ft. A chance of snow. .SUN NIGHT...E winds 5 to 10 kt. Seas 2 to 4 ft. A chance of snow. .MON...N winds 10 to 15 kt. Seas 2 to 4 ft. A chance of snow. .MON NIGHT...N winds 10 to 15 kt. Seas 2 to 4 ft. A chance of snow. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ233-141300- Vineyard Sound- 717 PM EST Wed Feb 13 2019 ...GALE WARNING IN EFFECT THROUGH THURSDAY MORNING... .TONIGHT...W winds 15 to 20 kt with gusts up to 35 kt. Seas 4 to 7 ft. .THU...W winds 15 to 20 kt with gusts up to 35 kt. Seas 3 to 5 ft. .THU NIGHT...SW winds 5 to 10 kt, becoming S after midnight. Gusts up to 20 kt. Seas 2 to 3 ft. .FRI...S winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. A chance of showers. .FRI NIGHT...W winds 10 to 15 kt. Gusts up to 25 kt in the evening. Seas 3 to 5 ft. A chance of showers. .SAT...NW winds around 10 kt. Seas 2 to 4 ft. .SAT NIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .SUN...NW winds 5 to 10 kt. Seas around 2 ft. A chance of snow. .SUN NIGHT...E winds 5 to 10 kt. Seas 2 to 3 ft. A chance of snow. .MON...N winds around 10 kt. Seas 2 to 3 ft. A chance of snow. .MON NIGHT...N winds 10 to 15 kt. Seas 2 to 4 ft. A chance of snow. 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. $$ ANZ234-141300- Buzzards Bay- 717 PM EST Wed Feb 13 2019 ...GALE WARNING IN EFFECT THROUGH THURSDAY MORNING... .TONIGHT...W winds 15 to 20 kt with gusts up to 35 kt. Seas 3 to 5 ft. .THU...W winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to 4 ft. .THU NIGHT...SW winds 5 to 10 kt, becoming S with gusts up to 20 kt after midnight. Seas 2 to 3 ft. .FRI...S winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. A chance of showers. .FRI NIGHT...SW winds 10 to 15 kt with gusts up to 25 kt, becoming W 5 to 10 kt after midnight. Seas 2 to 4 ft. A chance of showers. .SAT...NW winds 5 to 10 kt. Seas 2 to 4 ft. .SAT NIGHT...N winds 5 to 10 kt. Gusts up to 20 kt after midnight. Seas 2 to 3 ft. .SUN...NW winds 5 to 10 kt. Seas around 2 ft. A chance of snow. .SUN NIGHT...E winds 5 to 10 kt. Seas 2 to 3 ft. A chance of snow. .MON...N winds 5 to 10 kt. Seas 2 to 3 ft. A chance of snow. .MON NIGHT...N winds 5 to 10 kt. Seas 2 to 3 ft. A chance of snow. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ235-141300- Rhode Island Sound- 717 PM EST Wed Feb 13 2019 ...GALE WARNING IN EFFECT THROUGH THURSDAY MORNING... .TONIGHT...W winds 20 to 25 kt with gusts up to 40 kt. Seas 6 to 9 ft. .THU...W winds 20 to 25 kt, diminishing to 15 to 20 kt in the afternoon. Gusts up to 35 kt. Seas 4 to 7 ft. .THU NIGHT...SW winds 10 to 15 kt, becoming S after midnight. Gusts up to 20 kt. Seas 3 to 5 ft. .FRI...S winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 7 ft. A chance of showers. .FRI NIGHT...SW winds 15 to 20 kt, becoming W 10 to 15 kt after midnight. Gusts up to 25 kt. Seas 5 to 8 ft. A chance of showers. .SAT...NW winds around 10 kt. 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...NW winds 5 to 10 kt. Seas 2 to 3 ft. A chance of snow. .SUN NIGHT...E winds 5 to 10 kt. Seas 2 to 4 ft. A chance of snow. .MON...N winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft. A chance of snow. .MON NIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. A chance of snow. 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. $$ ANZ237-141300- Block Island Sound- 717 PM EST Wed Feb 13 2019 ...GALE WARNING IN EFFECT THROUGH THURSDAY MORNING... .TONIGHT...W winds 15 to 20 kt, increasing to 20 to 25 kt after midnight. Gusts up to 40 kt. Seas 5 to 7 ft. .THU...W winds 20 to 25 kt with gusts up to 35 kt, diminishing to 15 to 20 kt with gusts up to 25 kt in the afternoon. Seas 3 to 5 ft. .THU NIGHT...SW winds 10 to 15 kt, becoming S after midnight. Gusts up to 20 kt. Seas 2 to 4 ft. .FRI...S winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Gusts up to 25 kt. Seas 3 to 5 ft. A chance of showers. .FRI NIGHT...SW winds 10 to 15 kt with gusts up to 25 kt, becoming W 5 to 10 kt after midnight. Seas 4 to 7 ft. A chance of showers. .SAT...NW winds 5 to 10 kt. Seas 3 to 5 ft. .SAT NIGHT...N winds 10 to 15 kt. Gusts up to 20 kt after midnight. Seas 3 to 5 ft. .SUN...NW winds 5 to 10 kt. Seas around 3 ft. A chance of snow. .SUN NIGHT...E winds 5 to 10 kt. Seas 3 to 4 ft. A chance of snow. .MON...N winds around 10 kt. Seas 3 to 4 ft. A chance of snow. .MON NIGHT...N winds 10 to 15 kt. Seas 3 to 4 ft. A chance of snow. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ230-141300- Boston Harbor- 717 PM EST Wed Feb 13 2019 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY AFTERNOON... .TONIGHT...W winds 10 to 15 kt, increasing to 15 to 20 kt after midnight. Gusts up to 30 kt. Waves around 2 ft, except 3 to 5 ft at the outer harbor entrance. A chance of rain and snow showers this evening. .THU...W winds 15 to 20 kt with gusts up to 30 kt. Waves around 2 ft. .THU NIGHT...SW winds 5 to 10 kt, becoming S after midnight. Waves around 2 ft. .FRI...S winds 10 to 15 kt with gusts up to 20 kt. Waves 2 to 3 ft. A chance of showers. .FRI NIGHT...W winds 5 to 10 kt. Gusts up to 20 kt in the evening. Waves around 2 ft. A chance of showers. .SAT...W winds around 10 kt. Waves around 2 ft. .SAT NIGHT...NW winds around 10 kt. Waves 1 foot or less. .SUN...NW winds 5 to 10 kt. Waves 1 foot or less. A chance of snow. .SUN NIGHT...NE winds 5 to 10 kt. Waves 1 foot or less. A chance of snow. .MON...N winds around 10 kt. Waves 1 foot or less, except 2 to 4 ft at the outer harbor entrance. A chance of snow. .MON NIGHT...NW winds around 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. $$ ANZ236-141300- Narragansett Bay- 717 PM EST Wed Feb 13 2019 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY AFTERNOON... .TONIGHT...W winds 15 to 20 kt with gusts up to 30 kt. Waves 3 to 5 ft. .THU...W winds 15 to 20 kt, diminishing to 10 to 15 kt in the afternoon. Gusts up to 30 kt. Waves 2 to 3 ft. .THU NIGHT...SW winds 5 to 10 kt, becoming S after midnight. Waves 2 to 3 ft. .FRI...S winds 10 to 15 kt with gusts up to 20 kt. Waves 2 to 4 ft. A chance of showers. .FRI NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, becoming W 5 to 10 kt after midnight. Waves 2 to 4 ft. A chance of showers. .SAT...NW winds 5 to 10 kt. Waves 2 to 3 ft. .SAT NIGHT...N winds 5 to 10 kt. Waves 2 to 3 ft. .SUN...NW winds 5 to 10 kt. Waves 2 to 3 ft. A chance of snow. .SUN NIGHT...E winds 5 to 10 kt. Waves 2 to 3 ft. A chance of snow. .MON...N winds 5 to 10 kt. Waves 2 to 3 ft. A chance of snow. .MON NIGHT...N winds 5 to 10 kt. Waves 2 to 3 ft. A chance of snow. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ 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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