Coastal Waters Forecast
Issued by NWS Boston, MA

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572 FZUS51 KBOX 171217 CWFBOX Coastal Waters Forecast National Weather Service Taunton MA 716 AM EST Fri Nov 17 2017 COASTAL WATERS FROM THE MERRIMACK RIVER MA TO WATCH HILL RI OUT TO 25 NM ANZ200-180100- 716 AM EST Fri Nov 17 2017 .Synopsis for Massachusetts and Rhode Island coastal waters... Strong low pressure over the Maritimes will produce NW gales across the eastern waters this morning. The low pulls away this afternoon with high pressure building into New England tonight and early Sat. Intensifying low pressure tracks across the Saint Lawrence River Valley Sat night and Sun, with its attending strong cold front sweeping across the New England waters Sun afternoon. High pressure then builds into the water early next week. 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. $$ ANZ250-180100- Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- 716 AM EST Fri Nov 17 2017 ...GALE WARNING IN EFFECT UNTIL 11 AM EST THIS MORNING... .TODAY...NW winds 20 to 25 kt with gusts up to 35 kt. Seas 7 to 10 ft. .TONIGHT...NW winds 20 to 25 kt with gusts up to 30 kt, diminishing to 10 to 15 kt with gusts up to 20 kt after midnight. Seas 4 to 7 ft. .SAT...SW winds 5 to 10 kt, becoming S 10 to 15 kt with gusts up to 30 kt in the afternoon. Seas 3 to 5 ft. .SAT NIGHT...S winds 15 to 20 kt, becoming SW 20 to 25 kt after midnight. Gusts up to 30 kt. Seas 4 to 7 ft. Patchy fog. Showers likely. Vsby 1 to 3 NM. .SUN...SW winds 20 to 25 kt, becoming W 25 to 30 kt in the afternoon. Gusts up to 40 kt. Seas 4 to 7 ft. A chance of showers. Vsby 1 to 3 NM. .SUN NIGHT...W winds 25 to 30 kt, diminishing to 20 to 25 kt after midnight. Gusts up to 40 kt. Seas 5 to 8 ft. .MON...W winds 25 to 30 kt with gusts up to 40 kt. Seas 4 to 7 ft. .MON NIGHT...W winds 20 to 25 kt with gusts up to 35 kt. Seas 4 to 6 ft. .TUE...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. .TUE NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ251-180100- Massachusetts Bay and Ipswich Bay- 716 AM EST Fri Nov 17 2017 ...GALE WARNING IN EFFECT UNTIL 11 AM EST THIS MORNING... .TODAY...NW winds 20 to 25 kt with gusts up to 35 kt. Seas 4 to 6 ft. .TONIGHT...NW 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 2 to 4 ft. .SAT...SW winds 5 to 10 kt, becoming S 10 to 15 kt with gusts up to 30 kt in the afternoon. Seas 2 to 4 ft. .SAT NIGHT...S winds 10 to 15 kt, becoming SW 15 to 20 kt after midnight. Gusts up to 30 kt. Seas 2 to 4 ft. Patchy fog. Showers likely. Vsby 1 to 3 NM. .SUN...SW winds 15 to 20 kt with gusts up to 30 kt, becoming W 25 to 30 kt with gusts up to 40 kt in the afternoon. Seas 3 to 5 ft. Showers likely. Vsby 1 to 3 NM. .SUN NIGHT...W winds 20 to 25 kt. Gusts up to 40 kt, decreasing to 30 kt after midnight. Seas 3 to 5 ft. .MON...W winds 20 to 25 kt with gusts up to 35 kt. Seas 2 to 4 ft. .MON NIGHT...W winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to 3 ft. .TUE...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. .TUE NIGHT...SW winds 10 to 15 kt with gusts up to 25 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. $$ ANZ231-180100- Cape Cod Bay- 716 AM EST Fri Nov 17 2017 ...GALE WARNING IN EFFECT UNTIL 11 AM EST THIS MORNING... .TODAY...NW winds 20 to 25 kt with gusts up to 35 kt. Seas 4 to 7 ft. .TONIGHT...NW winds 15 to 20 kt with gusts up to 30 kt, diminishing to 10 to 15 kt with gusts up to 20 kt after midnight. Seas 3 to 5 ft. .SAT...SW winds 5 to 10 kt, becoming S 10 to 15 kt with gusts up to 30 kt in the afternoon. Seas 2 to 4 ft. .SAT NIGHT...SW winds 15 to 20 kt, increasing to 20 to 25 kt after midnight. Gusts up to 30 kt. Seas 3 to 5 ft. Showers likely. .SUN...SW winds 20 to 25 kt, becoming W 25 to 30 kt in the afternoon. Gusts up to 40 kt. Seas 4 to 6 ft. Showers likely. .SUN NIGHT...W winds 25 to 30 kt with gusts up to 40 kt, diminishing to 20 to 25 kt with gusts up to 30 kt after midnight. Seas 3 to 5 ft. .MON...W winds 20 to 25 kt with gusts up to 35 kt. Seas 3 to 5 ft. .MON NIGHT...W winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to 4 ft. .TUE...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. .TUE NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 3 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ254-180100- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm- 716 AM EST Fri Nov 17 2017 ...GALE WARNING IN EFFECT UNTIL 11 AM EST THIS MORNING... .TODAY...NW winds 20 to 25 kt with gusts up to 30 kt. Seas 6 to 9 ft. .TONIGHT...NW winds 15 to 20 kt with gusts up to 30 kt, diminishing to 10 to 15 kt with gusts up to 20 kt after midnight. Seas 5 to 8 ft. .SAT...W winds 5 to 10 kt with gusts up to 20 kt, becoming SW 10 to 15 kt with gusts up to 30 kt in the afternoon. Seas 3 to 5 ft. .SAT NIGHT...SW winds 15 to 20 kt, increasing to 20 to 25 kt after midnight. Gusts up to 30 kt. Seas 5 to 8 ft. Showers likely. .SUN...SW winds 25 to 30 kt with gusts up to 40 kt. Seas 6 to 9 ft, except 10 to 15 ft S and E of Nantucket. Showers likely. .SUN NIGHT...W winds 25 to 30 kt, diminishing to 20 to 25 kt after midnight. Gusts up to 40 kt. Seas 6 to 9 ft, except 9 to 14 ft S and E of Nantucket. .MON...W winds 20 to 25 kt with gusts up to 40 kt. Seas 6 to 9 ft. .MON NIGHT...W winds 20 to 25 kt with gusts up to 35 kt. Seas 4 to 7 ft. .TUE...SW winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to 5 ft. .TUE NIGHT...SW winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to 7 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. $$ ANZ255-180100- Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- 716 AM EST Fri Nov 17 2017 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM EST THIS EVENING... ...GALE WATCH IN EFFECT FROM SATURDAY AFTERNOON THROUGH SUNDAY AFTERNOON... .TODAY...NW winds 20 to 25 kt with gusts up to 30 kt. Seas 6 to 9 ft. .TONIGHT...NW winds 15 to 20 kt with gusts up to 30 kt, diminishing to 10 to 15 kt with gusts up to 20 kt after midnight. Seas 4 to 6 ft. .SAT...SW winds 10 to 15 kt with gusts up to 20 kt, increasing to 15 to 20 kt with gusts up to 30 kt in the afternoon. Seas 3 to 5 ft. .SAT NIGHT...SW winds 20 to 25 kt, increasing to 25 to 30 kt after midnight. Gusts up to 40 kt. Seas 7 to 10 ft. Showers likely. .SUN...W winds 25 to 30 kt with gusts up to 45 kt. Seas 9 to 14 ft. Showers likely. .SUN NIGHT...NW winds 25 to 30 kt, becoming W 20 to 25 kt after midnight. Gusts up to 40 kt. Seas 8 to 11 ft. .MON...W winds 20 to 25 kt with gusts up to 40 kt. Seas 7 to 10 ft. .MON NIGHT...W winds 20 to 25 kt with gusts up to 35 kt. Seas 5 to 8 ft. .TUE...SW winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to 7 ft. .TUE NIGHT...SW winds 20 to 25 kt with gusts up to 30 kt. Seas 6 to 9 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ256-180100- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 716 AM EST Fri Nov 17 2017 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM EST THIS EVENING... ...GALE WATCH IN EFFECT FROM SATURDAY AFTERNOON THROUGH SUNDAY AFTERNOON... .TODAY...NW winds 20 to 25 kt with gusts up to 30 kt. Seas 6 to 9 ft. .TONIGHT...NW winds 15 to 20 kt with gusts up to 30 kt, diminishing to 10 to 15 kt with gusts up to 20 kt after midnight. Seas 3 to 5 ft. .SAT...SW winds 10 to 15 kt with gusts up to 20 kt, increasing to 20 to 25 kt with gusts up to 35 kt in the afternoon. Seas 4 to 7 ft. .SAT NIGHT...SW winds 20 to 25 kt, increasing to 25 to 30 kt after midnight. Gusts up to 45 kt. Seas 9 to 12 ft. Showers likely. .SUN...W winds 25 to 30 kt with gusts up to 45 kt. Seas 10 to 15 ft. Showers. .SUN NIGHT...NW winds 25 to 30 kt with gusts up to 40 kt. Seas 8 to 11 ft. .MON...W winds 20 to 25 kt with gusts up to 40 kt. Seas 6 to 9 ft. .MON NIGHT...W winds 20 to 25 kt with gusts up to 35 kt. Seas 5 to 8 ft. .TUE...SW winds 20 to 25 kt with gusts up to 30 kt. Seas 4 to 7 ft. .TUE NIGHT...SW winds 20 to 25 kt with gusts up to 30 kt. Seas 6 to 9 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. $$ ANZ232-180100- Nantucket Sound- 716 AM EST Fri Nov 17 2017 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM EST THIS EVENING... ...GALE WATCH IN EFFECT FROM SATURDAY AFTERNOON THROUGH SUNDAY AFTERNOON... .TODAY...NW winds 20 to 25 kt, diminishing to 15 to 20 kt this afternoon. Gusts up to 30 kt. Seas 3 to 5 ft. .TONIGHT...NW winds 15 to 20 kt with gusts up to 30 kt, diminishing to 10 to 15 kt with gusts up to 20 kt after midnight. Seas 2 to 4 ft. .SAT...SW winds 10 to 15 kt with gusts up to 20 kt, increasing to 15 to 20 kt with gusts up to 30 kt in the afternoon. Seas 2 to 4 ft. .SAT NIGHT...SW winds 15 to 20 kt, increasing to 25 to 30 kt after midnight. Seas 3 to 5 ft. Showers likely. .SUN...SW winds 25 to 30 kt, becoming W 20 to 25 kt in the afternoon. Gusts up to 40 kt. Seas 4 to 7 ft. Showers likely. .SUN NIGHT...W winds 20 to 25 kt. Gusts up to 40 kt, decreasing to 30 kt after midnight. Seas 4 to 6 ft. .MON...W winds 20 to 25 kt with gusts up to 35 kt. Seas 4 to 6 ft. .MON NIGHT...W winds 20 to 25 kt with gusts up to 30 kt. Seas 2 to 4 ft. .TUE...SW winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to 4 ft. .TUE NIGHT...SW winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to 4 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ233-180100- Vineyard Sound- 716 AM EST Fri Nov 17 2017 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM EST THIS EVENING... ...GALE WATCH IN EFFECT FROM SATURDAY AFTERNOON THROUGH SUNDAY AFTERNOON... .TODAY...NW winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to 5 ft. .TONIGHT...NW winds 10 to 15 kt, diminishing to 5 to 10 kt after midnight. Gusts up to 25 kt. Seas 2 to 3 ft. .SAT...SW 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 3 to 5 ft. .SAT NIGHT...SW winds 20 to 25 kt, increasing to 25 to 30 kt after midnight. Gusts up to 40 kt. Seas 4 to 7 ft. Patchy fog. Showers likely. .SUN...W winds 25 to 30 kt with gusts up to 40 kt. Seas 4 to 7 ft. Showers likely. .SUN NIGHT...W winds 20 to 25 kt. Gusts up to 40 kt, decreasing to 30 kt after midnight. Seas 4 to 7 ft. .MON...W winds 20 to 25 kt with gusts up to 35 kt. Seas 3 to 5 ft. .MON NIGHT...W winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to 4 ft. .TUE...SW winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to 5 ft. .TUE NIGHT...SW winds 15 to 20 kt with gusts up to 30 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. $$ ANZ234-180100- Buzzards Bay- 716 AM EST Fri Nov 17 2017 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM EST THIS EVENING... ...GALE WATCH IN EFFECT FROM SATURDAY AFTERNOON THROUGH SUNDAY AFTERNOON... .TODAY...NW winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to 3 ft. .TONIGHT...NW winds 10 to 15 kt, becoming W 5 to 10 kt after midnight. Gusts up to 25 kt. Seas 2 to 3 ft. .SAT...SW winds 5 to 10 kt with gusts up to 20 kt, increasing to 15 to 20 kt with gusts up to 30 kt in the afternoon. Seas 2 to 4 ft. .SAT NIGHT...SW winds 15 to 20 kt, increasing to 20 to 25 kt after midnight. Gusts up to 35 kt. Seas 4 to 7 ft. Patchy fog. Showers likely. .SUN...W winds 20 to 25 kt with gusts up to 40 kt. Seas 4 to 7 ft. Showers likely. .SUN NIGHT...W winds 15 to 20 kt with gusts up to 35 kt. Seas 3 to 5 ft. .MON...W winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to 4 ft. .MON NIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 3 ft. .TUE...SW winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to 4 ft. .TUE NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ235-180100- Rhode Island Sound- 716 AM EST Fri Nov 17 2017 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM EST THIS EVENING... ...GALE WATCH IN EFFECT FROM SATURDAY AFTERNOON THROUGH SUNDAY AFTERNOON... .TODAY...NW winds 20 to 25 kt, diminishing to 15 to 20 kt this afternoon. Gusts up to 30 kt. Seas 4 to 6 ft. .TONIGHT...NW winds 15 to 20 kt, becoming W 5 to 10 kt after midnight. Gusts up to 25 kt. Seas 2 to 4 ft. .SAT...SW winds 10 to 15 kt with gusts up to 20 kt, increasing to 20 to 25 kt with gusts up to 35 kt in the afternoon. Seas 4 to 6 ft. .SAT NIGHT...SW winds 20 to 25 kt, increasing to 25 to 30 kt after midnight. Gusts up to 40 kt. Seas 7 to 10 ft. Patchy fog. Showers likely. .SUN...W winds 25 to 30 kt with gusts up to 45 kt. Seas 7 to 10 ft. Showers likely. .SUN NIGHT...W winds 20 to 25 kt with gusts up to 40 kt. Seas 5 to 8 ft. .MON...W winds 20 to 25 kt with gusts up to 35 kt. Seas 4 to 6 ft. .MON NIGHT...W winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to 5 ft. .TUE...SW winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to 5 ft. .TUE NIGHT...SW winds 20 to 25 kt with gusts up to 30 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. $$ ANZ237-180100- Block Island Sound- 716 AM EST Fri Nov 17 2017 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM EST THIS EVENING... ...GALE WATCH IN EFFECT FROM SATURDAY AFTERNOON THROUGH SUNDAY AFTERNOON... .TODAY...NW winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to 5 ft. .TONIGHT...NW winds 10 to 15 kt with gusts up to 25 kt, becoming W 5 to 10 kt after midnight. Seas 2 to 4 ft. .SAT...SW winds 10 to 15 kt with gusts up to 20 kt, increasing to 15 to 20 kt with gusts up to 35 kt in the afternoon. Seas 3 to 5 ft. .SAT NIGHT...SW winds 20 to 25 kt, increasing to 25 to 30 kt after midnight. Gusts up to 40 kt. Seas 6 to 9 ft. Patchy fog. Showers likely. .SUN...W winds 25 to 30 kt with gusts up to 45 kt. Seas 6 to 9 ft. Showers. .SUN NIGHT...W winds 20 to 25 kt with gusts up to 35 kt. Seas 4 to 7 ft. .MON...W winds 20 to 25 kt with gusts up to 35 kt. Seas 4 to 6 ft. .MON NIGHT...W winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to 5 ft. .TUE...SW winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to 5 ft. .TUE NIGHT...SW winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to 6 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ230-180100- Boston Harbor- 716 AM EST Fri Nov 17 2017 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM EST THIS EVENING... .TODAY...NW winds 10 to 15 kt with gusts up to 30 kt. Waves around 2 ft, except 3 to 5 ft at the outer harbor entrance. .TONIGHT...NW winds 10 to 15 kt, becoming W 5 to 10 kt after midnight. Gusts up to 25 kt. Waves around 2 ft. .SAT...S winds 5 to 10 kt. Gusts up to 25 kt in the afternoon. Waves around 2 ft. .SAT NIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Waves around 2 ft. Patchy fog. Showers likely. .SUN...SW winds around 15 kt, becoming W in the afternoon. Gusts up to 35 kt. Waves around 2 ft. Showers. Vsby 1 to 3 NM. .SUN NIGHT...W winds 15 to 20 kt. Gusts up to 35 kt, decreasing to 25 kt after midnight. Waves around 2 ft. .MON...W winds 15 to 20 kt with gusts up to 25 kt. Waves around 2 ft. .MON NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Waves around 2 ft. .TUE...SW winds 10 to 15 kt. Waves 1 foot or less. .TUE NIGHT...SW winds 10 to 15 kt with gusts up to 20 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. $$ ANZ236-180100- Narragansett Bay- 716 AM EST Fri Nov 17 2017 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM EST THIS EVENING... ...GALE WATCH IN EFFECT FROM SATURDAY AFTERNOON THROUGH SUNDAY AFTERNOON... .TODAY...NW winds 15 to 20 kt, diminishing to 10 to 15 kt this afternoon. Gusts up to 30 kt. Waves 2 to 3 ft. .TONIGHT...NW winds 10 to 15 kt with gusts up to 25 kt, becoming W 5 to 10 kt after midnight. Waves around 2 ft. .SAT...SW winds 5 to 10 kt with gusts up to 20 kt, increasing to 15 to 20 kt with gusts up to 30 kt in the afternoon. Waves 2 to 4 ft. .SAT NIGHT...SW winds 15 to 20 kt, increasing to 20 to 25 kt after midnight. Gusts up to 35 kt. Waves 3 to 5 ft. Patchy fog. Showers. .SUN...SW winds 20 to 25 kt, becoming W 15 to 20 kt in the afternoon. Gusts up to 40 kt. Waves 4 to 6 ft. Showers likely. .SUN NIGHT...W winds 15 to 20 kt with gusts up to 30 kt. Waves 2 to 3 ft, except 4 to 6 ft at the bay entrance. .MON...W winds 15 to 20 kt with gusts up to 30 kt. Waves 2 to 3 ft. .MON NIGHT...W winds 10 to 15 kt with gusts up to 25 kt. Waves 2 to 3 ft. .TUE...SW winds 15 to 20 kt with gusts up to 25 kt. Waves 2 to 3 ft. .TUE NIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Waves 2 to 3 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ 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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