Coastal Waters Forecast
Issued by NWS Boston, MA

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000 FZUS51 KBOX 141511 CWFBOX Coastal Waters Forecast National Weather Service Boston/Norton MA 1011 AM EST Thu Feb 14 2019 Coastal waters from the Merrimack River MA to Watch Hill RI out to 25 NM ANZ200-150415- 1011 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. $$ ANZ250-150415- Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- 1011 AM EST Thu Feb 14 2019 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM EST THIS EVENING... .THIS AFTERNOON...W winds 20 to 25 kt, diminishing to 15 to 20 kt. Gusts up to 30 kt. Seas 7 to 8 ft. .TONIGHT...W winds 10 to 15 kt, becoming S after midnight. Gusts up to 20 kt. Seas around 4 ft, subsiding to 2 ft after midnight. .FRI...SE winds 20 to 25 kt, becoming S 25 to 30 kt in the afternoon. Gusts up to 40 kt. Seas around 7 ft, building to 10 ft in the afternoon. A chance of showers. Vsby 1 to 3 NM in the afternoon. .FRI NIGHT...S winds 20 to 25 kt with gusts up to 30 kt, becoming W 10 to 15 kt with gusts up to 20 kt after midnight. Seas around 10 ft, subsiding to 6 ft after midnight. A chance of showers in the evening with vsby 1 NM or less. .SAT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas around 5 ft. .SAT NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas around 5 ft. .SUN...N winds 10 to 15 kt, becoming NW 5 to 10 kt in the afternoon. Seas around 4 ft. .SUN NIGHT...W winds 5 to 10 kt, becoming N after midnight. Seas around 4 ft. .MON...NE winds 5 to 10 kt. Seas around 5 ft. .MON NIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Seas around 4 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ251-150415- Massachusetts Bay and Ipswich Bay- 1011 AM EST Thu Feb 14 2019 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM EST THIS AFTERNOON... .THIS AFTERNOON...W winds 15 to 20 kt with gusts up to 30 kt. Seas around 4 ft. .TONIGHT...SW winds 10 to 15 kt, becoming S 5 to 10 kt 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 around 6 ft, building to 8 ft in the afternoon. A chance of showers. Vsby 1 NM or less in the afternoon. .FRI NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt, becoming W 10 to 15 kt after midnight. Seas around 7 ft, subsiding to 4 ft after midnight. A chance of showers in the evening with vsby 1 NM or less. .SAT...NW winds 10 to 15 kt. Gusts up to 20 kt in the morning. Seas around 3 ft. .SAT NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas around 3 ft. .SUN...NW winds 5 to 10 kt. Seas around 3 ft. .SUN NIGHT...W winds 5 to 10 kt, becoming N after midnight. Seas 2 to 3 ft. .MON...N winds 5 to 10 kt. Seas around 3 ft. .MON NIGHT...N winds 10 to 15 kt. Seas around 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. $$ ANZ231-150415- Cape Cod Bay- 1011 AM EST Thu Feb 14 2019 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM EST THIS AFTERNOON... .THIS AFTERNOON...W winds 15 to 20 kt, diminishing to 10 to 15 kt. Gusts up to 30 kt. Seas 4 to 5 ft. .TONIGHT...SW winds 5 to 10 kt, becoming S after midnight. Seas around 2 ft in the evening, then 1 foot or less. .FRI...SE winds 10 to 15 kt, becoming S 15 to 20 kt in the afternoon. Gusts up to 25 kt. Seas around 4 ft. A chance of showers in the morning, then showers likely in the afternoon with vsby 1 to 3 NM. .FRI NIGHT...SW winds 15 to 20 kt, becoming W 5 to 10 kt after midnight. Seas 3 to 4 ft. A chance of showers in the evening with vsby 1 NM or less. .SAT...NW winds 10 to 15 kt, diminishing to 5 to 10 kt in the afternoon. Seas 2 to 3 ft. .SAT NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas around 3 ft. .SUN...NW winds 5 to 10 kt. Seas 2 to 3 ft. .SUN NIGHT...SW winds around 5 kt, becoming N after midnight. Seas around 2 ft. .MON...NE winds 5 to 10 kt. Seas 2 to 3 ft. .MON NIGHT...N winds 5 to 10 kt, increasing to 10 to 15 kt after midnight. Seas around 3 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ254-150415- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm- 1011 AM EST Thu Feb 14 2019 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM EST THIS EVENING... .THIS AFTERNOON...W winds 15 to 20 kt with gusts up to 30 kt. Seas 7 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 around 5 ft, subsiding to 3 ft after midnight. .FRI...SE winds 15 to 20 kt, increasing to 20 to 25 kt in the afternoon. Gusts up to 30 kt. Seas around 6 ft, building to 9 ft in the afternoon. A chance of showers. Vsby 1 to 3 NM in the afternoon. .FRI NIGHT...S winds 20 to 25 kt, becoming W 10 to 15 kt after midnight. Seas around 9 ft, subsiding to 7 ft after midnight. A chance of showers. Vsby 1 NM or less in the evening. .SAT...NW winds 10 to 15 kt. Gusts up to 20 kt in the morning. Seas 5 to 6 ft. .SAT NIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Seas around 5 ft. .SUN...N winds 10 to 15 kt, becoming NW 5 to 10 kt in the afternoon. Seas around 4 ft. .SUN NIGHT...W winds around 5 kt, becoming N after midnight. Seas around 4 ft. .MON...NE winds 5 to 10 kt. Seas around 5 ft. .MON NIGHT...N winds 10 to 15 kt. Seas around 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. $$ ANZ255-150415- Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- 1011 AM EST Thu Feb 14 2019 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM EST THIS EVENING... .THIS AFTERNOON...W winds 15 to 20 kt with gusts up to 30 kt. Seas 9 to 10 ft. .TONIGHT...W winds 10 to 15 kt with gusts up to 20 kt, becoming S 5 to 10 kt after midnight. Seas around 6 ft, subsiding to 3 ft after midnight. .FRI...SE winds 15 to 20 kt. Seas around 5 ft, building to 8 ft in the afternoon. A chance of showers. Vsby 1 to 3 NM in the afternoon. .FRI NIGHT...S winds 15 to 20 kt, becoming W 10 to 15 kt after midnight. Gusts up to 25 kt. Seas 8 to 9 ft. A chance of showers. Vsby 1 NM or less in the evening. .SAT...NW winds 5 to 10 kt. Seas 6 to 7 ft. .SAT NIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Seas around 5 ft. .SUN...NW winds 5 to 10 kt. Seas around 4 ft. .SUN NIGHT...W winds around 5 kt, becoming N after midnight. Seas around 4 ft. .MON...NE winds 5 to 10 kt. Seas 4 to 5 ft. .MON NIGHT...N winds 10 to 15 kt. Gusts up to 20 kt after midnight. Seas around 5 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ256-150415- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 1011 AM EST Thu Feb 14 2019 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM EST THIS EVENING... .THIS AFTERNOON...W winds 20 to 25 kt, diminishing to 15 to 20 kt. Gusts up to 30 kt. Seas 8 to 9 ft. .TONIGHT...SW winds 10 to 15 kt, becoming S after midnight. Gusts up to 20 kt. Seas around 5 ft, subsiding to 3 ft after midnight. .FRI...S winds 15 to 20 kt, increasing to 20 to 25 kt in the afternoon. Seas around 6 ft, building to 9 ft in the afternoon. A chance of showers. .FRI NIGHT...SW winds 20 to 25 kt, becoming W 10 to 15 kt after midnight. Seas 8 to 9 ft. A chance of showers in the evening with vsby 1 NM or less. .SAT...NW winds around 10 kt. Seas 6 to 7 ft. .SAT NIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Seas around 5 ft. .SUN...N winds 10 to 15 kt, becoming NW around 5 kt in the afternoon. Seas around 4 ft. .SUN NIGHT...W winds around 5 kt, becoming N after midnight. Seas around 4 ft. .MON...NE winds around 10 kt. Seas around 4 ft. .MON NIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Seas around 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. $$ ANZ232-150415- Nantucket Sound- 1011 AM EST Thu Feb 14 2019 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM EST THIS AFTERNOON... .THIS AFTERNOON...W winds 10 to 15 kt with gusts up to 30 kt. Seas around 4 ft. .TONIGHT...SW winds 5 to 10 kt with gusts up to 20 kt, becoming S after midnight. Seas around 2 ft. .FRI...SE winds 10 to 15 kt, becoming S 15 to 20 kt in the afternoon. Seas around 4 ft. A chance of showers in the morning, then showers likely in the afternoon with vsby 1 to 3 NM. .FRI NIGHT...SW winds 15 to 20 kt, becoming W 10 to 15 kt after midnight. Gusts up to 25 kt. Seas around 4 ft. Showers likely, mainly in the evening with vsby 1 NM or less. .SAT...NW winds 5 to 10 kt. Seas around 3 ft. .SAT NIGHT...NW winds 5 to 10 kt, becoming N 10 to 15 kt with gusts up to 20 kt after midnight. Seas around 3 ft. .SUN...NW winds 5 to 10 kt. Seas around 2 ft. .SUN NIGHT...W winds around 5 kt, becoming N after midnight. Seas around 2 ft. .MON...NE winds 5 to 10 kt. Seas 2 to 3 ft. .MON NIGHT...N winds 5 to 10 kt. Seas around 3 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ233-150415- Vineyard Sound- 1011 AM EST Thu Feb 14 2019 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM EST THIS AFTERNOON... .THIS AFTERNOON...W winds 15 to 20 kt with gusts up to 30 kt. Seas around 5 ft. .TONIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, becoming S 5 to 10 kt after midnight. Seas 3 to 4 ft. .FRI...SE winds 15 to 20 kt, becoming S 20 to 25 kt in the afternoon. Seas around 4 ft, building to 6 ft in the afternoon. A chance of showers. .FRI NIGHT...SW winds 20 to 25 kt, becoming W 10 to 15 kt after midnight. Seas 5 to 6 ft. A chance of showers in the evening with vsby 1 NM or less. .SAT...NW winds 5 to 10 kt. Seas around 4 ft. .SAT NIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Seas around 3 ft. .SUN...NW winds 5 to 10 kt. Seas 2 to 3 ft. .SUN NIGHT...W winds around 5 kt, becoming N after midnight. Seas around 3 ft. .MON...NE winds 5 to 10 kt. Seas 2 to 3 ft. .MON NIGHT...N winds 10 to 15 kt. Gusts up to 20 kt after midnight. Seas around 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. $$ ANZ234-150415- Buzzards Bay- 1011 AM EST Thu Feb 14 2019 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM EST THIS AFTERNOON... .THIS AFTERNOON...W winds 10 to 15 kt with gusts up to 25 kt. Seas around 3 ft. .TONIGHT...SW winds 5 to 10 kt, becoming S after midnight. Seas around 2 ft. .FRI...SE winds 15 to 20 kt, becoming S 20 to 25 kt in the afternoon. Seas 3 to 4 ft. A chance of showers. Vsby 1 to 3 NM in the afternoon. .FRI NIGHT...SW winds 20 to 25 kt, becoming W 5 to 10 kt after midnight. Seas around 4 ft. A chance of showers in the evening with vsby 1 NM or less. .SAT...NW winds 5 to 10 kt. Seas around 3 ft. .SAT NIGHT...N winds 5 to 10 kt. Seas around 3 ft. .SUN...NW winds 5 to 10 kt. Seas around 2 ft. .SUN NIGHT...W winds around 5 kt, becoming N around 5 kt after midnight. Seas around 2 ft. .MON...NE winds 5 to 10 kt. Seas 2 to 3 ft. .MON NIGHT...N winds 5 to 10 kt. Seas around 3 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ235-150415- Rhode Island Sound- 1011 AM EST Thu Feb 14 2019 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM EST THIS EVENING... .THIS AFTERNOON...W winds 15 to 20 kt with gusts up to 30 kt. Seas 6 to 7 ft. .TONIGHT...SW winds 10 to 15 kt, becoming S after midnight. Gusts up to 20 kt. Seas 3 to 4 ft. .FRI...SE winds 20 to 25 kt, becoming S 25 to 30 kt in the afternoon. Seas around 6 ft, building to 8 ft in the afternoon. A chance of showers. Vsby 1 to 3 NM in the afternoon. .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 around 9 ft, subsiding to 7 ft after midnight. A chance of showers in the evening with vsby 1 NM or less. .SAT...NW winds around 10 kt. Seas 5 to 6 ft. .SAT NIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Seas around 4 ft. .SUN...N winds 10 to 15 kt, becoming NW around 5 kt in the afternoon. Seas around 3 ft. .SUN NIGHT...W winds 5 to 10 kt, becoming N after midnight. 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 around 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. $$ ANZ237-150415- Block Island Sound- 1011 AM EST Thu Feb 14 2019 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM EST THIS EVENING... .THIS AFTERNOON...W winds 10 to 15 kt with gusts up to 25 kt. Seas 5 to 6 ft. .TONIGHT...S winds 5 to 10 kt with gusts up to 20 kt. Seas 3 to 4 ft. .FRI...S winds 15 to 20 kt with gusts up to 25 kt. Seas 6 to 7 ft. A chance of showers. Vsby 1 to 3 NM in the afternoon. .FRI NIGHT...SW winds 15 to 20 kt, becoming W 5 to 10 kt after midnight. Seas 6 to 7 ft. A chance of showers in the evening with vsby 1 NM or less. .SAT...NW winds 5 to 10 kt. Seas 4 to 5 ft. .SAT NIGHT...N winds 10 to 15 kt. Seas around 4 ft. .SUN...NW winds 5 to 10 kt. Seas around 3 ft. .SUN NIGHT...W winds around 5 kt, becoming N after midnight. Seas around 3 ft. .MON...NE winds 5 to 10 kt. Seas 3 to 4 ft. .MON NIGHT...NW winds 10 to 15 kt. Seas around 4 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ230-150415- Boston Harbor- 1011 AM EST Thu Feb 14 2019 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM EST THIS AFTERNOON... .THIS AFTERNOON...W winds 10 to 15 kt with gusts up to 25 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, except up to 5 ft at the outer harbor entrance. A chance of showers. Vsby 1 to 3 NM in the afternoon. .FRI NIGHT...SW winds 15 to 20 kt, becoming W 5 to 10 kt after midnight. Waves around 2 ft in the evening, then 1 foot or less. At the outer harbor entrance, waves around 5 ft, subsiding to 2 ft after midnight. A chance of showers in the evening with vsby 1 to 3 NM. .SAT...NW winds 5 to 10 kt. Waves around 2 ft in the morning, then 1 foot or less. .SAT NIGHT...NW winds 5 to 10 kt. Waves around 2 ft in the evening, then 1 foot or less. .SUN...NW winds 5 to 10 kt. Waves 1 foot or less. .SUN NIGHT...SW winds around 5 kt, becoming N after midnight. Waves 1 foot or less. .MON...N winds 5 to 10 kt. Waves 1 foot or less. .MON 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. $$ ANZ236-150415- Narragansett Bay- 1011 AM EST Thu Feb 14 2019 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM EST THIS AFTERNOON... .THIS AFTERNOON...W winds 10 to 15 kt with gusts up to 25 kt. Waves around 3 ft. .TONIGHT...S winds 5 to 10 kt. Waves 2 to 3 ft. .FRI...SE winds 10 to 15 kt, becoming S 15 to 20 kt in the afternoon. Gusts up to 25 kt. Waves around 5 ft, building to 7 ft in the afternoon. A chance of showers. Vsby 1 to 3 NM in the afternoon. .FRI NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, becoming W 5 to 10 kt after midnight. Waves around 7 ft, subsiding to 4 ft after midnight. A chance of showers in the evening with vsby 1 NM or less. .SAT...NW winds 5 to 10 kt. Waves around 3 ft. .SAT NIGHT...N winds 5 to 10 kt. Waves around 3 ft. .SUN...NW winds 5 to 10 kt. Waves 2 to 3 ft. .SUN NIGHT...W winds around 5 kt, becoming N after midnight. Waves around 3 ft. .MON...NE winds 5 to 10 kt. Waves around 3 ft. .MON NIGHT...NW winds 5 to 10 kt. Waves around 3 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ 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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