Coastal Waters Forecast
Issued by NWS Boston, MA

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000 FZUS51 KBOX 161434 CWFBOX Coastal Waters Forecast National Weather Service Boston/Norton MA 934 AM EST Fri Nov 16 2018 Coastal waters from the Merrimack River MA to Watch Hill RI out to 25 NM ANZ200-170315- 934 AM EST Fri Nov 16 2018 .Synopsis for Massachusetts and Rhode Island coastal waters... A coastal storm moves moves across Southeast New England by midday and then moves off to the Maritimes. This will bring strong winds to the waters this morning and midday. High pressure returns for the weekend. A cold front passes across the waters on Sunday. 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. $$ ANZ250-170315- Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- 934 AM EST Fri Nov 16 2018 ...GALE WARNING IN EFFECT UNTIL 3 PM EST THIS AFTERNOON... .THIS AFTERNOON...E winds 25 to 30 kt, becoming NW. Gusts up to 40 kt. Seas around 19 ft, subsiding to 16 ft. Rain early, then a chance of rain. .TONIGHT...W winds 15 to 20 kt, increasing to 20 to 25 kt after midnight. Gusts up to 30 kt. Seas around 12 ft, subsiding to 9 ft after midnight. .SAT...W winds 15 to 20 kt, diminishing to 10 to 15 kt in the afternoon. Gusts up to 25 kt. Seas around 7 ft, subsiding to 5 ft in the afternoon. .SAT NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 5 ft. .SUN...NW winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt in the afternoon. Seas 3 to 4 ft. .SUN NIGHT...S winds 5 to 10 kt. Gusts up to 20 kt after midnight. Seas 2 to 3 ft. A chance of showers. .MON...SW winds 10 to 15 kt, becoming W 15 to 20 kt in the afternoon. Gusts up to 25 kt. Seas around 4 ft. A chance of showers in the morning. .MON NIGHT...NW winds 15 to 20 kt with gusts up to 25 kt. Seas around 4 ft. .TUE...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft. .TUE NIGHT...NW winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 5 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ251-170315- Massachusetts Bay and Ipswich Bay- 934 AM EST Fri Nov 16 2018 ...GALE WARNING IN EFFECT UNTIL 3 PM EST THIS AFTERNOON... .THIS AFTERNOON...NE winds 25 to 30 kt, becoming NW. Gusts up to 40 kt. Seas around 17 ft, subsiding to 14 ft. Rain early, then a chance of rain. .TONIGHT...W winds 15 to 20 kt with gusts up to 30 kt. Seas around 10 ft, subsiding to 6 ft after midnight. .SAT...W winds 10 to 15 kt with gusts up to 25 kt. Seas around 4 ft. .SAT NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas around 3 ft. .SUN...NW winds 5 to 10 kt. Seas around 2 ft. .SUN NIGHT...S winds 5 to 10 kt. Seas around 2 ft. A chance of showers. A chance of snow showers in the evening. Vsby 1 to 3 NM. .MON...SW winds 5 to 10 kt, becoming W 10 to 15 kt in the afternoon. Gusts up to 20 kt. Seas around 2 ft. A chance of showers in the morning with vsby 1 to 3 NM. .MON NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas around 3 ft. .TUE...NW winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt in the afternoon. Seas around 2 ft. .TUE NIGHT...NW 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. $$ ANZ231-170315- Cape Cod Bay- 934 AM EST Fri Nov 16 2018 ...GALE WARNING IN EFFECT UNTIL 3 PM EST THIS AFTERNOON... .THIS AFTERNOON...S winds 20 to 25 kt, becoming NW. Gusts up to 40 kt. Seas around 7 ft, subsiding to 5 ft. Rain likely early, then a slight chance of rain. .TONIGHT...W winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to 5 ft. .SAT...W winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 4 ft. .SAT NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .SUN...NW winds 5 to 10 kt. Seas around 2 ft. .SUN NIGHT...S winds 5 to 10 kt. Seas 1 foot or less. A chance of showers after midnight. .MON...SW winds 5 to 10 kt, becoming W 10 to 15 kt in the afternoon. Gusts up to 20 kt. Seas 1 foot or less, then around 2 ft in the afternoon. A chance of showers in the morning. .MON NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas around 3 ft. .TUE...NW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. .TUE NIGHT...NW winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 4 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ254-170315- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm- 934 AM EST Fri Nov 16 2018 ...GALE WARNING IN EFFECT UNTIL 3 PM EST THIS AFTERNOON... .THIS AFTERNOON...S winds 25 to 30 kt, becoming NW. Gusts up to 45 kt, decreasing to 40 kt. Seas around 19 ft, subsiding to 15 ft. S and E of Nantucket, seas 15 to 16 ft. Rain likely early. .TONIGHT...W winds 20 to 25 kt, diminishing to 15 to 20 kt after midnight. Gusts up to 30 kt. Seas around 11 ft, subsiding to 9 ft after midnight. .SAT...W winds 15 to 20 kt, diminishing to 10 to 15 kt in the afternoon. Gusts up to 25 kt. Seas 6 to 7 ft. .SAT NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 5 ft. .SUN...NW winds 10 to 15 kt, diminishing to 5 to 10 kt in the afternoon. Seas 3 to 4 ft. .SUN NIGHT...S winds 5 to 10 kt. Gusts up to 20 kt after midnight. Seas around 3 ft. A chance of showers. .MON...SW winds 10 to 15 kt, becoming W in the afternoon. Gusts up to 25 kt. Seas around 4 ft. A chance of showers in the morning. .MON NIGHT...NW winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 5 ft. .TUE...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 5 ft. .TUE NIGHT...NW winds 10 to 15 kt, increasing to 15 to 20 kt after midnight. Gusts up to 25 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. $$ ANZ255-170315- Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- 934 AM EST Fri Nov 16 2018 ...GALE WARNING IN EFFECT UNTIL 3 PM EST THIS AFTERNOON... .THIS AFTERNOON...SW winds 25 to 30 kt, becoming W. Gusts up to 45 kt. Seas around 14 ft. A chance of rain early. .TONIGHT...W winds 20 to 25 kt, diminishing to 15 to 20 kt after midnight. Gusts up to 30 kt. Seas around 12 ft, subsiding to 9 ft after midnight. .SAT...W winds 15 to 20 kt, diminishing to 10 to 15 kt in the afternoon. Gusts up to 25 kt. Seas around 8 ft, subsiding to 6 ft in the afternoon. .SAT NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 5 ft. .SUN...N winds 5 to 10 kt. Seas 3 to 4 ft. .SUN NIGHT...SE winds 5 to 10 kt, becoming S 10 to 15 kt after midnight. Gusts up to 20 kt. Seas around 3 ft. .MON...SW winds 10 to 15 kt, becoming W 15 to 20 kt in the afternoon. Gusts up to 25 kt. Seas 4 to 5 ft. .MON NIGHT...NW winds 15 to 20 kt with gusts up to 25 kt. Seas around 5 ft. .TUE...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft. .TUE NIGHT...NW winds 10 to 15 kt, increasing to 15 to 20 kt after midnight. Gusts up to 25 kt. Seas 4 to 5 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ256-170315- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 934 AM EST Fri Nov 16 2018 ...GALE WARNING IN EFFECT UNTIL 3 PM EST THIS AFTERNOON... .THIS AFTERNOON...W winds 25 to 30 kt. Gusts up to 40 kt early. Seas around 13 ft. A chance of rain early. .TONIGHT...W winds 20 to 25 kt with gusts up to 30 kt. Seas around 12 ft, subsiding to 9 ft after midnight. .SAT...W winds 15 to 20 kt, diminishing to 10 to 15 kt in the afternoon. Gusts up to 25 kt. Seas around 7 ft, subsiding to 5 ft in the afternoon. .SAT NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas around 4 ft. .SUN...N winds 5 to 10 kt. Seas 3 to 4 ft. .SUN NIGHT...SE winds 5 to 10 kt, becoming SW 10 to 15 kt after midnight. Gusts up to 25 kt. Seas 3 to 4 ft. .MON...W winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Gusts up to 30 kt. Seas around 5 ft. .MON NIGHT...NW winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 5 ft. .TUE...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft. .TUE NIGHT...NW winds 10 to 15 kt, increasing to 15 to 20 kt after midnight. Gusts up to 25 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. $$ ANZ232-170315- Nantucket Sound- 934 AM EST Fri Nov 16 2018 ...GALE WARNING IN EFFECT UNTIL 3 PM EST THIS AFTERNOON... .THIS AFTERNOON...SW winds 20 to 25 kt, becoming NW. Gusts up to 40 kt. Seas 5 to 6 ft. Rain likely early. .TONIGHT...W winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to 5 ft. .SAT...W winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 4 ft. .SAT NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .SUN...N winds 5 to 10 kt. Seas around 2 ft. .SUN NIGHT...S winds 5 to 10 kt. Gusts up to 20 kt after midnight. Seas 1 foot or less, then around 2 ft after midnight. A chance of showers after midnight. .MON...SW winds 10 to 15 kt, becoming W in the afternoon. Gusts up to 20 kt. Seas around 2 ft. A chance of showers in the morning. .MON NIGHT...NW winds 15 to 20 kt with gusts up to 25 kt. Seas around 3 ft. .TUE...NW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. .TUE NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas around 3 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ233-170315- Vineyard Sound- 934 AM EST Fri Nov 16 2018 ...GALE WARNING IN EFFECT UNTIL 3 PM EST THIS AFTERNOON... .THIS AFTERNOON...W winds 20 to 25 kt with gusts up to 35 kt. Seas around 7 ft. Rain likely early. .TONIGHT...W winds 15 to 20 kt with gusts up to 30 kt. Seas around 6 ft, subsiding to 4 ft after midnight. .SAT...W winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 4 ft. .SAT NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .SUN...N winds 5 to 10 kt. Seas around 2 ft in the morning, then 1 foot or less. .SUN NIGHT...S winds 5 to 10 kt. Gusts up to 20 kt after midnight. Seas 1 foot or less, then around 2 ft after midnight. A chance of showers after midnight. .MON...W winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. A chance of showers in the morning. .MON NIGHT...NW winds 10 to 15 kt with gusts up to 25 kt. Seas around 3 ft. .TUE...NW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. .TUE NIGHT...NW winds 10 to 15 kt with gusts up to 25 kt. Seas around 2 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. $$ ANZ234-170315- Buzzards Bay- 934 AM EST Fri Nov 16 2018 ...GALE WARNING IN EFFECT UNTIL 3 PM EST THIS AFTERNOON... .THIS AFTERNOON...SW winds 20 to 25 kt, becoming NW 15 to 20 kt. Gusts up to 35 kt. Seas around 6 ft, subsiding to 3 ft. Rain likely early. .TONIGHT...W winds 10 to 15 kt with gusts up to 25 kt. Seas around 4 ft. .SAT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .SAT NIGHT...W winds 5 to 10 kt. Seas around 2 ft. .SUN...N winds 5 to 10 kt. Seas around 2 ft in the morning, then 1 foot or less. .SUN NIGHT...S winds 5 to 10 kt. Gusts up to 20 kt after midnight. Seas 1 foot or less, then around 2 ft after midnight. A chance of showers after midnight. .MON...SW winds 5 to 10 kt, becoming W 10 to 15 kt in the afternoon. Gusts up to 20 kt. Seas around 2 ft. A chance of showers in the morning. .MON NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. .TUE...NW winds 10 to 15 kt, diminishing to 5 to 10 kt in the afternoon. Gusts up to 20 kt. Seas around 2 ft. .TUE NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ235-170315- Rhode Island Sound- 934 AM EST Fri Nov 16 2018 ...GALE WARNING IN EFFECT UNTIL 3 PM EST THIS AFTERNOON... .THIS AFTERNOON...W winds 20 to 25 kt with gusts up to 35 kt. Seas 11 to 12 ft. Rain likely early. .TONIGHT...W winds 15 to 20 kt with gusts up to 30 kt. Seas around 10 ft, subsiding to 7 ft after midnight. .SAT...W winds 15 to 20 kt, diminishing to 10 to 15 kt in the afternoon. Gusts up to 25 kt. Seas around 6 ft, subsiding to 4 ft in the afternoon. .SAT NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas around 3 ft. .SUN...N winds 5 to 10 kt. Seas 2 to 3 ft. .SUN NIGHT...SE winds 5 to 10 kt, becoming S with gusts up to 20 kt after midnight. Seas 2 to 3 ft. A chance of showers after midnight. .MON...W winds 10 to 15 kt with gusts up to 25 kt. Seas around 3 ft. A chance of showers in the morning. .MON NIGHT...NW winds 15 to 20 kt with gusts up to 25 kt. Seas around 3 ft. .TUE...NW winds 10 to 15 kt with gusts up to 20 kt. Seas around 3 ft. .TUE NIGHT...NW winds 10 to 15 kt with gusts up to 25 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. $$ ANZ237-170315- Block Island Sound- 934 AM EST Fri Nov 16 2018 ...GALE WARNING IN EFFECT UNTIL 3 PM EST THIS AFTERNOON... .THIS AFTERNOON...NW winds 20 to 25 kt, diminishing to 15 to 20 kt. Gusts up to 30 kt. Seas 11 to 12 ft. Rain likely early. .TONIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Seas around 9 ft, subsiding to 6 ft after midnight. .SAT...W winds 10 to 15 kt with gusts up to 25 kt. Seas 4 to 5 ft. .SAT NIGHT...W winds 5 to 10 kt. Gusts up to 20 kt in the evening. Seas around 3 ft. .SUN...N winds 5 to 10 kt. Seas 2 to 3 ft. .SUN NIGHT...SE winds 5 to 10 kt, becoming SW with gusts up to 20 kt after midnight. Seas 2 to 3 ft. A chance of showers. .MON...W winds 10 to 15 kt with gusts up to 25 kt. Seas around 3 ft. A chance of showers in the morning. .MON NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas around 3 ft. .TUE...NW winds 10 to 15 kt with gusts up to 20 kt. Seas around 3 ft. .TUE NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas around 3 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ230-170315- Boston Harbor- 934 AM EST Fri Nov 16 2018 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 3 PM EST THIS AFTERNOON... .THIS AFTERNOON...NE winds 20 to 25 kt, becoming NW. Gusts up to 35 kt. Waves around 2 ft, except 10 to 11 ft at the outer harbor entrance. Rain early, then a chance of rain. .TONIGHT...W winds 10 to 15 kt with gusts up to 25 kt. Waves around 2 ft. At the outer harbor entrance, waves around 8 ft, subsiding to 4 ft after midnight. .SAT...W winds around 10 kt with gusts up to 20 kt. Waves around 2 ft. .SAT NIGHT...W winds 5 to 10 kt. Waves around 2 ft. .SUN...NW winds 5 to 10 kt. Waves 1 foot or less. .SUN NIGHT...E winds around 5 kt, becoming S after midnight. Waves 1 foot or less. A chance of showers. Vsby 1 to 3 NM after midnight. .MON...W winds 5 to 10 kt. Waves 1 foot or less. A chance of showers in the morning. .MON NIGHT...NW winds around 10 kt. Waves around 2 ft. .TUE...NW winds around 10 kt. Waves 1 foot or less. .TUE NIGHT...NW winds around 10 kt. Gusts up to 20 kt after midnight. Waves 1 foot or less, then around 2 ft after midnight. 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. $$ ANZ236-170315- Narragansett Bay- 934 AM EST Fri Nov 16 2018 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 3 PM EST THIS AFTERNOON... .THIS AFTERNOON...NW winds 15 to 20 kt with gusts up to 30 kt. Waves around 3 ft, except 9 to 10 ft at the bay entrance. Rain likely early. .TONIGHT...W winds 10 to 15 kt with gusts up to 25 kt. Waves around 3 ft. At the bay entrance, waves around 8 ft, subsiding to 5 ft after midnight. .SAT...W winds 5 to 10 kt with gusts up to 20 kt. Waves around 3 ft. .SAT NIGHT...W winds 5 to 10 kt. Waves around 2 ft. .SUN...N winds 5 to 10 kt. Waves around 2 ft. .SUN NIGHT...E winds around 5 kt, becoming S after midnight. Waves around 2 ft. A chance of showers. .MON...W winds 5 to 10 kt with gusts up to 20 kt. Waves around 2 ft. A chance of showers in the morning. .MON NIGHT...NW winds around 10 kt with gusts up to 20 kt. Waves around 2 ft. .TUE...NW winds 5 to 10 kt. Waves around 2 ft. .TUE NIGHT...NW winds 5 to 10 kt. Waves around 2 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ 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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