Coastal Waters Forecast
Issued by NWS Boston, MA

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000 FZUS51 KBOX 131217 CWFBOX Coastal Waters Forecast National Weather Service Boston/Norton MA 716 AM EST Wed Feb 13 2019 Coastal waters from the Merrimack River MA to Watch Hill RI out to 25 NM ANZ200-140100- 716 AM EST Wed Feb 13 2019 .Synopsis for Massachusetts and Rhode Island coastal waters... Low pres exits up into the Maritimes today. 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. $$ ANZ250-140100- Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- 716 AM EST Wed Feb 13 2019 ...GALE WARNING IN EFFECT UNTIL 7 PM EST THIS EVENING... .TODAY...W winds 15 to 20 kt, increasing to 20 to 25 kt this afternoon. Gusts up to 35 kt. Seas 8 to 11 ft. Patchy fog this morning. A slight chance of showers this morning with vsby 1 NM or less. .TONIGHT...W winds 20 to 25 kt with gusts up to 30 kt. Seas 6 to 9 ft. .THU...W winds 20 to 25 kt with gusts up to 30 kt. Seas 5 to 8 ft. .THU NIGHT...W winds 10 to 15 kt, becoming S after midnight. Gusts up to 20 kt. Seas 2 to 4 ft. .FRI...S winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 7 ft. A chance of showers. .FRI NIGHT...SW winds 15 to 20 kt, becoming W 10 to 15 kt after midnight. Gusts up to 25 kt. Seas 4 to 7 ft. A chance of showers. .SAT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. .SAT NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. .SUN...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. .SUN NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ251-140100- Massachusetts Bay and Ipswich Bay- 716 AM EST Wed Feb 13 2019 ...GALE WARNING IN EFFECT UNTIL 7 PM EST THIS EVENING... .TODAY...W winds 10 to 15 kt, increasing to 15 to 20 kt this afternoon. Gusts up to 30 kt. Seas 5 to 8 ft. Patchy fog this morning with vsby 1 NM or less. .TONIGHT...W winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to 6 ft. .THU...W winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to 5 ft. .THU NIGHT...SW winds 10 to 15 kt, becoming S 5 to 10 kt after midnight. Seas around 2 ft. .FRI...SE winds 15 to 20 kt, becoming S 10 to 15 kt in the afternoon. 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. .SAT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .SAT NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. .SUN...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .SUN NIGHT...NW 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. $$ ANZ231-140100- Cape Cod Bay- 716 AM EST Wed Feb 13 2019 ...GALE WARNING IN EFFECT FROM 11 AM EST THIS MORNING THROUGH THURSDAY MORNING... .TODAY...SW winds 10 to 15 kt with gusts up to 30 kt. Seas 2 to 4 ft. Patchy fog this morning with vsby 1 NM or less. .TONIGHT...W winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to 5 ft. .THU...W winds 15 to 20 kt, diminishing to 10 to 15 kt in the afternoon. Gusts up to 30 kt. Seas 2 to 4 ft. .THU NIGHT...SW winds 5 to 10 kt with gusts up to 20 kt, becoming S after midnight. Seas around 2 ft. .FRI...S winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. A chance of showers. .FRI NIGHT...W winds 10 to 15 kt. Gusts up to 20 kt in the evening. Seas 2 to 3 ft. A chance of showers. Vsby 1 to 3 NM. .SAT...NW winds 5 to 10 kt. Seas 2 to 3 ft. .SAT NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .SUN...NW winds 5 to 10 kt. Seas 2 to 3 ft. .SUN NIGHT...NW winds 5 to 10 kt. Seas 2 to 3 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ254-140100- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm- 716 AM EST Wed Feb 13 2019 ...GALE WARNING IN EFFECT UNTIL 7 PM EST THIS EVENING... .TODAY...SW winds 15 to 20 kt with gusts up to 30 kt, becoming W 20 to 25 kt with gusts up to 40 kt this afternoon. Seas 7 to 10 ft. Patchy fog this morning. A slight chance of showers this morning with vsby 1 NM or less. .TONIGHT...W winds 15 to 20 kt, increasing to 20 to 25 kt after midnight. Gusts up to 35 kt. Seas 6 to 9 ft, except 9 to 13 ft S and E of Nantucket. .THU...W winds 20 to 25 kt, diminishing to 15 to 20 kt in the afternoon. Gusts up to 35 kt. Seas 5 to 8 ft. .THU NIGHT...W winds 10 to 15 kt with gusts up to 20 kt, becoming S 5 to 10 kt after midnight. Seas 3 to 5 ft. .FRI...S winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 6 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 4 to 7 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...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. .SUN...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. .SUN NIGHT...NW winds 5 to 10 kt. Seas 4 to 6 ft. A chance of snow. Vsby 1 to 3 NM. 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. $$ ANZ255-140100- Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- 716 AM EST Wed Feb 13 2019 ...GALE WARNING IN EFFECT THROUGH THURSDAY MORNING... .TODAY...SW winds 15 to 20 kt, becoming W 20 to 25 kt this afternoon. Gusts up to 40 kt. Seas 8 to 11 ft. Patchy dense fog this morning with vsby 1 NM or less. .TONIGHT...W winds 20 to 25 kt with gusts up to 35 kt. Seas 9 to 13 ft. .THU...W winds 20 to 25 kt, diminishing to 15 to 20 kt in the afternoon. Gusts up to 35 kt. Seas 7 to 10 ft. .THU NIGHT...W winds 10 to 15 kt with gusts up to 20 kt, becoming S 5 to 10 kt after midnight. Seas 4 to 7 ft. .FRI...S winds 15 to 20 kt. Seas 4 to 7 ft. A chance of showers. .FRI NIGHT...SW winds 15 to 20 kt, becoming W 10 to 15 kt after midnight. Seas 6 to 8 ft. A chance of showers. .SAT...NW winds around 10 kt. Seas 4 to 7 ft. .SAT NIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. .SUN...NW winds 5 to 10 kt. Seas 2 to 4 ft. A chance of snow. Vsby 1 to 3 NM. .SUN NIGHT...N winds 5 to 10 kt. Seas 4 to 6 ft. A chance of snow. Vsby 1 to 3 NM. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ256-140100- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 716 AM EST Wed Feb 13 2019 ...GALE WARNING IN EFFECT THROUGH THURSDAY MORNING... .TODAY...W winds 20 to 25 kt with gusts up to 40 kt. Seas 8 to 11 ft. Patchy fog this morning with vsby 1 NM or less. .TONIGHT...W winds 20 to 25 kt with gusts up to 35 kt. Seas 9 to 12 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 4 to 6 ft. .FRI...S winds 15 to 20 kt with gusts up to 25 kt. Seas 5 to 8 ft. .FRI NIGHT...SW winds 15 to 20 kt, becoming W 10 to 15 kt after midnight. Gusts up to 25 kt. Seas 6 to 8 ft. .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...NW winds 10 to 15 kt. Seas 3 to 4 ft. A chance of snow. Vsby 1 to 3 NM. .SUN NIGHT...N winds 10 to 15 kt. Seas 4 to 6 ft. A chance of snow. Vsby 1 to 3 NM. 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. $$ ANZ232-140100- Nantucket Sound- 716 AM EST Wed Feb 13 2019 ...GALE WARNING IN EFFECT FROM 11 AM EST THIS MORNING THROUGH THURSDAY MORNING... .TODAY...W winds 15 to 20 kt. Gusts up to 30 kt, increasing to 40 kt this afternoon. Seas 3 to 5 ft. Patchy fog this morning with vsby 1 NM or less. .TONIGHT...W winds 15 to 20 kt with gusts up to 35 kt. Seas 3 to 5 ft. .THU...W winds 15 to 20 kt, diminishing to 10 to 15 kt in the afternoon. Gusts up to 30 kt. Seas 2 to 4 ft. .THU NIGHT...SW winds 5 to 10 kt with gusts up to 20 kt, becoming S after midnight. Seas 2 to 3 ft. .FRI...S winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Seas 3 to 5 ft. A chance of showers. .FRI NIGHT...W winds 10 to 15 kt. Gusts up to 20 kt in the evening. Seas 2 to 4 ft. A chance of showers. .SAT...NW winds 5 to 10 kt. Seas 2 to 4 ft. .SAT NIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .SUN...NW winds 5 to 10 kt. Seas 2 to 3 ft. .SUN NIGHT...N winds 5 to 10 kt. Seas 2 to 4 ft. A chance of snow. Vsby 1 to 3 NM. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ233-140100- Vineyard Sound- 716 AM EST Wed Feb 13 2019 ...GALE WARNING IN EFFECT FROM 11 AM EST THIS MORNING THROUGH THURSDAY MORNING... .TODAY...W winds 15 to 20 kt, increasing to 20 to 25 kt this afternoon. Gusts up to 35 kt. Seas 3 to 5 ft. Patchy fog this morning with vsby 1 NM or less. .TONIGHT...W winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to 7 ft. .THU...W winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to 5 ft. .THU NIGHT...SW winds 5 to 10 kt, becoming S after midnight. Seas 2 to 4 ft. .FRI...S winds 15 to 20 kt. Seas 3 to 5 ft. A chance of showers. .FRI NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. .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 4 ft. .SUN...NW winds 5 to 10 kt. Seas around 2 ft. A chance of snow. Vsby 1 to 3 NM. .SUN NIGHT...NW winds 5 to 10 kt. Seas 2 to 3 ft. A chance of snow. Vsby 1 to 3 NM. 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. $$ ANZ234-140100- Buzzards Bay- 716 AM EST Wed Feb 13 2019 ...GALE WARNING IN EFFECT FROM 11 AM EST THIS MORNING THROUGH THURSDAY MORNING... .TODAY...W winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to 4 ft. Patchy fog this morning with vsby 1 NM or less. .TONIGHT...W winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to 5 ft. .THU...W winds 15 to 20 kt, diminishing to 10 to 15 kt in the afternoon. Gusts up to 30 kt. Seas 2 to 4 ft. .THU NIGHT...SW winds 5 to 10 kt, becoming S after midnight. Seas 2 to 3 ft. .FRI...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. A chance of showers. .FRI NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, becoming W 5 to 10 kt after midnight. Seas 2 to 4 ft. .SAT...NW winds 5 to 10 kt. Seas 2 to 4 ft. .SAT NIGHT...N winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 3 ft. .SUN...NW winds 5 to 10 kt. Seas around 2 ft. .SUN NIGHT...NW winds 5 to 10 kt. Seas 2 to 3 ft. A chance of snow. Vsby 1 to 3 NM. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ235-140100- Rhode Island Sound- 716 AM EST Wed Feb 13 2019 ...GALE WARNING IN EFFECT FROM 11 AM EST THIS MORNING THROUGH THURSDAY MORNING... .TODAY...W winds 20 to 25 kt with gusts up to 40 kt. Seas 6 to 9 ft. Patchy fog this morning with vsby 1 NM or less. .TONIGHT...W winds 20 to 25 kt with gusts up to 35 kt. Seas 7 to 10 ft. .THU...W winds 20 to 25 kt, diminishing to 15 to 20 kt in the afternoon. Gusts up to 30 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. 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 7 ft. .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 with gusts up to 20 kt. Seas 2 to 4 ft. A chance of snow. Vsby 1 to 3 NM. .SUN NIGHT...N winds 10 to 15 kt. Seas 2 to 4 ft. A chance of snow. Vsby 1 to 3 NM. 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. $$ ANZ237-140100- Block Island Sound- 716 AM EST Wed Feb 13 2019 ...GALE WARNING IN EFFECT FROM 11 AM EST THIS MORNING THROUGH THURSDAY MORNING... .TODAY...W winds 15 to 20 kt with gusts up to 40 kt. Seas 5 to 8 ft. Patchy fog this morning with vsby 1 to 3 NM. .TONIGHT...W winds 15 to 20 kt with gusts up to 35 kt. Seas 5 to 8 ft. .THU...W winds 15 to 20 kt, diminishing to 10 to 15 kt in the afternoon. Gusts up to 30 kt. Seas 4 to 6 ft. .THU NIGHT...SW winds 5 to 10 kt, becoming S 10 to 15 kt after midnight. Seas 2 to 4 ft. .FRI...S winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Seas 4 to 6 ft. .FRI NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 7 ft. .SAT...NW winds 5 to 10 kt. Seas 3 to 5 ft. .SAT NIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. .SUN...NW winds 5 to 10 kt. Seas around 3 ft. A chance of snow. Vsby 1 to 3 NM. .SUN NIGHT...N winds 5 to 10 kt. Seas 3 to 4 ft. A chance of snow. Vsby 1 to 3 NM. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ230-140100- Boston Harbor- 716 AM EST Wed Feb 13 2019 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY MORNING... .TODAY...W winds 10 to 15 kt with gusts up to 30 kt. Waves around 2 ft, except 4 to 6 ft at the outer harbor entrance. Patchy fog this morning with vsby 1 to 3 NM. .TONIGHT...W winds 10 to 15 kt with gusts up to 30 kt. Waves around 2 ft. .THU...W winds 10 to 15 kt with gusts up to 30 kt. Waves around 2 ft. .THU NIGHT...SW winds 5 to 10 kt, becoming S after midnight. Waves 1 foot or less. .FRI...S winds 10 to 15 kt. Gusts up to 20 kt in the morning. Waves around 2 ft. A chance of showers. .FRI NIGHT...SW winds 10 to 15 kt, becoming W 5 to 10 kt after midnight. Waves around 2 ft. .SAT...NW winds around 10 kt. Waves 1 foot or less. .SAT NIGHT...NW winds around 10 kt. Waves around 2 ft. .SUN...NW winds 5 to 10 kt. Waves 1 foot or less. .SUN NIGHT...NW 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. $$ ANZ236-140100- Narragansett Bay- 716 AM EST Wed Feb 13 2019 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY MORNING... .TODAY...W winds 10 to 15 kt with gusts up to 30 kt. Waves 3 to 5 ft. Patchy fog this morning with vsby 1 to 3 NM. .TONIGHT...W winds 10 to 15 kt with gusts up to 30 kt. Waves 4 to 6 ft. .THU...W winds 10 to 15 kt with gusts up to 30 kt. Waves 2 to 3 ft. .THU NIGHT...S winds 5 to 10 kt. Waves 2 to 3 ft. .FRI...S winds 10 to 15 kt. Gusts up to 20 kt in the afternoon. Waves 2 to 4 ft. A chance of showers. .FRI NIGHT...SW winds 10 to 15 kt, becoming W 5 to 10 kt after midnight. Waves 2 to 4 ft. .SAT...NW winds 5 to 10 kt. Waves 2 to 3 ft. .SAT NIGHT...N winds 5 to 10 kt. Waves 2 to 3 ft. .SUN...NW winds 5 to 10 kt. Waves 2 to 3 ft. .SUN NIGHT...N winds 5 to 10 kt. Waves 2 to 3 ft. A chance of snow. Vsby 1 to 3 NM. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ 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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