Coastal Waters Forecast
Issued by NWS Boston, MA

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000 FZUS51 KBOX 141216 CWFBOX Coastal Waters Forecast National Weather Service Boston/Norton MA 716 AM EST Thu Feb 14 2019 Coastal waters from the Merrimack River MA to Watch Hill RI out to 25 NM ANZ200-150100- 716 AM EST Thu Feb 14 2019 .Synopsis for Massachusetts and Rhode Island coastal waters... Weak high pressure builds across the waters today. 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. $$ ANZ250-150100- Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- 716 AM EST Thu Feb 14 2019 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM EST THIS EVENING... .TODAY...W winds 20 to 25 kt, diminishing to 15 to 20 kt this afternoon. Gusts up to 30 kt. Seas 4 to 6 ft. .TONIGHT...W winds 10 to 15 kt, becoming S after midnight. Gusts up to 20 kt. Seas 2 to 4 ft. .FRI...SE winds 20 to 25 kt, becoming S 25 to 30 kt in the afternoon. Gusts up to 40 kt. Seas 6 to 9 ft. A chance of showers. Vsby 1 to 3 NM. .FRI NIGHT...S winds 20 to 25 kt with gusts up to 30 kt, becoming W 10 to 15 kt with gusts up to 20 kt after midnight. Seas 6 to 9 ft. A chance of showers. Vsby 1 NM or less. .SAT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. .SAT NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. .SUN...NW winds 10 to 15 kt. Seas 2 to 4 ft. .SUN NIGHT...NW winds 5 to 10 kt. Seas 2 to 4 ft. .MON...NE winds 5 to 10 kt. Seas 3 to 5 ft. .MON NIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ251-150100- Massachusetts Bay and Ipswich Bay- 716 AM EST Thu Feb 14 2019 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM EST THIS AFTERNOON... .TODAY...W winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to 4 ft. .TONIGHT...SW winds 5 to 10 kt, becoming S with gusts up to 20 kt after midnight. Seas around 2 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. Vsby 1 NM or less. .FRI NIGHT...SW winds 15 to 20 kt, becoming W 10 to 15 kt after midnight. Gusts up to 25 kt. Seas 4 to 6 ft. A chance of showers. Vsby 1 NM or less. .SAT...NW winds 10 to 15 kt. Gusts up to 20 kt in the morning. 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...NW winds 5 to 10 kt. Seas 2 to 3 ft. .MON...N winds 5 to 10 kt. Seas 2 to 4 ft. .MON NIGHT...N winds 10 to 15 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. $$ ANZ231-150100- Cape Cod Bay- 716 AM EST Thu Feb 14 2019 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM EST THIS AFTERNOON... .TODAY...W winds 15 to 20 kt, diminishing to 10 to 15 kt this afternoon. Gusts up to 30 kt. Seas 2 to 4 ft. .TONIGHT...SW winds 5 to 10 kt, becoming S after midnight. Seas around 2 ft. .FRI...SE winds 10 to 15 kt with gusts up to 30 kt, becoming S 15 to 20 kt in the afternoon. Seas 2 to 4 ft. A chance of showers. Vsby 1 to 3 NM. .FRI NIGHT...SW winds 15 to 20 kt, becoming W 5 to 10 kt after midnight. Seas 2 to 4 ft. A chance of showers. Vsby 1 NM or less. .SAT...NW winds 10 to 15 kt, diminishing to 5 to 10 kt in the afternoon. Seas 2 to 3 ft. .SAT NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .SUN...NW winds 5 to 10 kt. Seas 2 to 3 ft. .SUN NIGHT...NW winds around 5 kt. Seas around 2 ft. .MON...NE winds 5 to 10 kt. Seas 2 to 3 ft. .MON NIGHT...N winds 10 to 15 kt. Seas 2 to 3 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ254-150100- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm- 716 AM EST Thu Feb 14 2019 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... .TODAY...W winds 15 to 20 kt with gusts up to 30 kt. Seas 5 to 8 ft. .TONIGHT...W winds 10 to 15 kt with gusts up to 20 kt, becoming S 5 to 10 kt after midnight. Seas 2 to 4 ft. .FRI...SE winds 15 to 20 kt, increasing to 20 to 25 kt in the afternoon. Gusts up to 40 kt. Seas 5 to 8 ft. A chance of showers. Vsby 1 to 3 NM. .FRI NIGHT...S 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 6 to 9 ft. A chance of showers. Vsby 1 NM or less. .SAT...NW winds 10 to 15 kt. Gusts up to 20 kt in the morning. 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 10 to 15 kt. Seas 3 to 4 ft. .SUN NIGHT...NW winds 5 to 10 kt. Seas 3 to 4 ft. .MON...NE winds 5 to 10 kt. Seas 3 to 5 ft. .MON NIGHT...N 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. $$ ANZ255-150100- Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- 716 AM EST Thu Feb 14 2019 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... .TODAY...W winds 15 to 20 kt with gusts up to 30 kt. Seas 6 to 9 ft. .TONIGHT...W winds 10 to 15 kt with gusts up to 20 kt, becoming S 5 to 10 kt after midnight. Seas 4 to 6 ft. .FRI...SE winds 15 to 20 kt. Seas 5 to 8 ft. A chance of showers. Vsby 1 to 3 NM. .FRI NIGHT...S winds 15 to 20 kt, becoming W 10 to 15 kt after midnight. Gusts up to 25 kt. Seas 6 to 9 ft. A chance of showers. Vsby 1 NM or less. .SAT...NW winds 5 to 10 kt. Seas 4 to 7 ft. .SAT NIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. .SUN...NW winds 5 to 10 kt. Seas 2 to 4 ft. .SUN NIGHT...NW winds 5 to 10 kt. Seas 3 to 5 ft. .MON...NE winds 5 to 10 kt. Seas 3 to 5 ft. .MON NIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ256-150100- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 716 AM EST Thu Feb 14 2019 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... .TODAY...W winds 20 to 25 kt, diminishing to 15 to 20 kt this afternoon. Gusts up to 30 kt. Seas 6 to 9 ft. .TONIGHT...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, increasing to 20 to 25 kt in the afternoon. Gusts up to 30 kt. Seas 5 to 8 ft. A chance of showers. .FRI NIGHT...SW winds 20 to 25 kt, becoming W 10 to 15 kt after midnight. Seas 6 to 9 ft. A chance of showers. Vsby 1 NM or less. .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 10 to 15 kt. Seas 3 to 4 ft. .SUN NIGHT...NW winds 5 to 10 kt. Seas 3 to 4 ft. .MON...NE winds around 10 kt. Seas 3 to 4 ft. .MON NIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Seas 4 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. $$ ANZ232-150100- Nantucket Sound- 716 AM EST Thu Feb 14 2019 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM EST THIS AFTERNOON... .TODAY...W winds 10 to 15 kt with gusts up to 30 kt. Seas 2 to 4 ft. .TONIGHT...SW winds 5 to 10 kt with gusts up to 20 kt, becoming S after midnight. Seas 2 to 3 ft. .FRI...SE winds 10 to 15 kt, becoming S 15 to 20 kt in the afternoon. Gusts up to 25 kt. Seas 2 to 4 ft. Showers likely. Vsby 1 to 3 NM. .FRI NIGHT...SW winds 15 to 20 kt, becoming W 10 to 15 kt after midnight. Gusts up to 25 kt. Seas 3 to 5 ft. Showers likely. Vsby 1 NM or less. .SAT...NW winds 5 to 10 kt. Seas 2 to 4 ft. .SAT NIGHT...NW winds 5 to 10 kt, becoming N 10 to 15 kt with gusts up to 20 kt after midnight. Seas 2 to 3 ft. .SUN...NW winds 5 to 10 kt. Seas around 2 ft. .SUN NIGHT...NW winds around 5 kt. Seas around 2 ft. .MON...NE winds 5 to 10 kt. Seas 2 to 3 ft. .MON NIGHT...N winds 5 to 10 kt. Seas 2 to 3 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ233-150100- Vineyard Sound- 716 AM EST Thu Feb 14 2019 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM EST THIS AFTERNOON... .TODAY...W winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to 4 ft. .TONIGHT...SW winds 5 to 10 kt with gusts up to 20 kt, becoming S after midnight. Seas 2 to 3 ft. .FRI...SE winds 15 to 20 kt, becoming S 20 to 25 kt in the afternoon. Seas 2 to 4 ft. A chance of showers. .FRI NIGHT...SW winds 20 to 25 kt, becoming W 5 to 10 kt after midnight. Seas 3 to 5 ft. A chance of showers. Vsby 1 NM or less. .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 around 2 ft. .SUN NIGHT...NW winds 5 to 10 kt. Seas around 2 ft. .MON...NE winds 5 to 10 kt. Seas 2 to 3 ft. .MON NIGHT...N 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. $$ ANZ234-150100- Buzzards Bay- 716 AM EST Thu Feb 14 2019 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM EST THIS AFTERNOON... .TODAY...W winds 10 to 15 kt. Gusts up to 30 kt, decreasing to 20 kt this afternoon. Seas 2 to 4 ft. .TONIGHT...SW winds 5 to 10 kt with gusts up to 20 kt, becoming S after midnight. Seas 2 to 3 ft. .FRI...SE winds 15 to 20 kt, becoming S 20 to 25 kt in the afternoon. Seas 2 to 4 ft. A chance of showers. Vsby 1 to 3 NM. .FRI NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt, becoming W 5 to 10 kt after midnight. Seas 2 to 4 ft. A chance of showers. Vsby 1 NM or less. .SAT...NW winds 5 to 10 kt. Seas 2 to 4 ft. .SAT NIGHT...N winds 5 to 10 kt. Gusts up to 20 kt after midnight. Seas 2 to 3 ft. .SUN...NW winds 5 to 10 kt. Seas around 2 ft. .SUN NIGHT...NW winds around 5 kt. Seas around 2 ft. .MON...NE winds 5 to 10 kt. Seas around 2 ft. .MON NIGHT...N winds 5 to 10 kt. Seas 2 to 3 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ235-150100- Rhode Island Sound- 716 AM EST Thu Feb 14 2019 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM EST THIS EVENING... .TODAY...W winds 20 to 25 kt, diminishing to 15 to 20 kt this afternoon. Gusts up to 30 kt. Seas 4 to 7 ft. .TONIGHT...SW winds 10 to 15 kt, becoming S after midnight. Gusts up to 20 kt. Seas 3 to 5 ft. .FRI...S winds 20 to 25 kt with gusts up to 30 kt. Seas 5 to 8 ft. A chance of showers. Vsby 1 to 3 NM. .FRI NIGHT...SW winds 20 to 25 kt with gusts up to 30 kt, becoming W 10 to 15 kt with gusts up to 20 kt after midnight. Seas 6 to 9 ft. A chance of showers. Vsby 1 NM or less. .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 10 to 15 kt. Seas 2 to 3 ft. .SUN NIGHT...NW winds 5 to 10 kt. Seas 2 to 3 ft. .MON...NE winds 5 to 10 kt. Seas 3 to 4 ft. .MON 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. $$ ANZ237-150100- Block Island Sound- 716 AM EST Thu Feb 14 2019 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM EST THIS EVENING... .TODAY...W winds 10 to 15 kt with gusts up to 30 kt. Seas 3 to 5 ft. .TONIGHT...S winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 4 ft. .FRI...S winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 6 ft. A chance of showers. Vsby 1 to 3 NM. .FRI NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt, becoming W 5 to 10 kt after midnight. Seas 4 to 7 ft. A chance of showers. Vsby 1 NM or less. .SAT...NW winds 5 to 10 kt. Seas 3 to 5 ft. .SAT NIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. .SUN...NW winds 5 to 10 kt. Seas around 3 ft. .SUN NIGHT...NW winds 5 to 10 kt. Seas around 3 ft. .MON...NE winds 5 to 10 kt. Seas 3 to 4 ft. .MON NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ230-150100- Boston Harbor- 716 AM EST Thu Feb 14 2019 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM EST THIS AFTERNOON... .TODAY...W winds 10 to 15 kt with gusts up to 30 kt. Waves around 2 ft. .TONIGHT...SW winds 5 to 10 kt, becoming S after midnight. Waves 1 foot or less. .FRI...SE winds 10 to 15 kt, becoming S 15 to 20 kt in the afternoon. Gusts up to 25 kt. Waves 2 to 3 ft. A chance of showers. Vsby 1 to 3 NM. .FRI NIGHT...SW winds 15 to 20 kt, becoming W 5 to 10 kt after midnight. Waves around 2 ft. A chance of showers. Vsby 1 to 3 NM. .SAT...NW winds 5 to 10 kt. Waves around 2 ft. .SAT NIGHT...NW winds 5 to 10 kt. Waves around 2 ft. .SUN...NW winds 5 to 10 kt. Waves 1 foot or less. .SUN NIGHT...NW winds around 5 kt. Waves 1 foot or less. .MON...N winds 5 to 10 kt. Waves 1 foot or less. .MON NIGHT...N 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. $$ ANZ236-150100- Narragansett Bay- 716 AM EST Thu Feb 14 2019 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM EST THIS AFTERNOON... .TODAY...W winds 10 to 15 kt with gusts up to 25 kt. Waves 2 to 3 ft. .TONIGHT...S winds 5 to 10 kt with gusts up to 20 kt. Waves 2 to 3 ft. .FRI...SE winds 10 to 15 kt, becoming S 15 to 20 kt in the afternoon. Gusts up to 25 kt. Waves 3 to 5 ft. A chance of showers. Vsby 1 to 3 NM. .FRI NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, becoming W 5 to 10 kt after midnight. Waves 3 to 5 ft. .SAT...NW winds 5 to 10 kt. Waves 2 to 3 ft. .SAT NIGHT...N winds 5 to 10 kt. Waves 2 to 3 ft. .SUN...NW winds 5 to 10 kt. Waves 2 to 3 ft. .SUN NIGHT...NW winds around 5 kt. Waves 2 to 3 ft. .MON...NE winds 5 to 10 kt. Waves 2 to 3 ft. .MON NIGHT...NW winds 5 to 10 kt. Waves 2 to 3 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ 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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