Coastal Waters Forecast
Issued by NWS Boston, MA

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000 FZUS51 KBOX 140307 CWFBOX Coastal Waters Forecast National Weather Service Boston/Norton MA 1007 PM EST Tue Nov 13 2018 Coastal waters from the Merrimack River MA to Watch Hill RI out to 25 NM ANZ200-141615- 1007 PM EST Tue Nov 13 2018 .Synopsis for Massachusetts and Rhode Island coastal waters... Low pressure will continue to rapidly move to the northeast along the northern New England coast overnight. High pressure builds over the waters through Wednesday night, then drifts to the north Thursday. Another storm system approaches from the south impacting the waters late Thursday night into Friday. High pressure returns for the weekend. 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. $$ ANZ250-141615- Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- 1007 PM EST Tue Nov 13 2018 ...GALE WARNING IN EFFECT THROUGH WEDNESDAY EVENING... .OVERNIGHT...NW winds 20 to 25 kt, increasing to 25 to 30 kt. Gusts up to 40 kt. Seas around 8 ft, building to 10 ft. .WED...NW winds 25 to 30 kt with gusts up to 40 kt. Seas around 10 ft. .WED NIGHT...NW winds 20 to 25 kt, diminishing to 15 to 20 kt after midnight. Gusts up to 30 kt. Seas around 9 ft, subsiding to 6 ft after midnight. .THU...N winds 10 to 15 kt, becoming E 5 to 10 kt in the afternoon. Seas 3 to 4 ft. .THU NIGHT...E winds 10 to 15 kt with gusts up to 20 kt, increasing to 20 to 25 kt with gusts up to 30 kt after midnight. Seas around 3 ft, building to 7 ft after midnight. Rain. .FRI...E winds 20 to 25 kt, becoming N in the afternoon. Gusts up to 35 kt. Seas 11 to 12 ft. Rain. .FRI NIGHT...NW winds 20 to 25 kt, becoming W 15 to 20 kt after midnight. Gusts up to 30 kt. Seas around 13 ft, subsiding to 9 ft after midnight. .SAT...W winds 15 to 20 kt, diminishing to 10 to 15 kt in the afternoon. Gusts up to 25 kt. Seas 5 to 6 ft. .SAT NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas around 4 ft. .SUN...W winds 10 to 15 kt. Gusts up to 20 kt in the afternoon. Seas 3 to 4 ft. .SUN NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. A chance of showers after midnight. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ251-141615- Massachusetts Bay and Ipswich Bay- 1007 PM EST Tue Nov 13 2018 ...GALE WARNING IN EFFECT THROUGH WEDNESDAY EVENING... .OVERNIGHT...NW winds 20 to 25 kt with gusts up to 35 kt. Seas around 5 ft. .WED...NW winds 20 to 25 kt with gusts up to 40 kt. Seas around 5 ft. .WED NIGHT...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 5 ft. .THU...N winds 5 to 10 kt, becoming E in the afternoon. Seas 2 to 3 ft. .THU NIGHT...E winds 10 to 15 kt with gusts up to 20 kt, increasing to 20 to 25 kt with gusts up to 30 kt after midnight. Seas around 3 ft, building to 5 ft after midnight. Rain. .FRI...E winds 20 to 25 kt, becoming N 15 to 20 kt in the afternoon. Gusts up to 30 kt. Seas 8 to 9 ft. Rain. .FRI NIGHT...NW winds 15 to 20 kt, becoming W 10 to 15 kt after midnight. Gusts up to 25 kt. Seas around 9 ft, subsiding to 7 ft after midnight. .SAT...W winds 10 to 15 kt with gusts up to 20 kt. Seas around 5 ft, subsiding to 3 ft in the afternoon. .SAT NIGHT...W winds 10 to 15 kt. Gusts up to 20 kt in the evening. Seas 2 to 3 ft. .SUN...W winds 5 to 10 kt. Seas around 2 ft. .SUN NIGHT...W winds 5 to 10 kt. Gusts up to 20 kt in the evening. Seas around 2 ft. A chance of showers 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. $$ ANZ231-141615- Cape Cod Bay- 1007 PM EST Tue Nov 13 2018 ...GALE WARNING IN EFFECT THROUGH WEDNESDAY EVENING... .OVERNIGHT...NW winds 20 to 25 kt with gusts up to 40 kt. Seas around 4 ft, building to 6 ft. .WED...NW winds 20 to 25 kt with gusts up to 40 kt. Seas around 6 ft. .WED NIGHT...NW winds 20 to 25 kt with gusts up to 30 kt, becoming N 10 to 15 kt with gusts up to 20 kt after midnight. Seas 4 to 5 ft. .THU...N winds 5 to 10 kt, becoming E in the afternoon. Seas 2 to 3 ft. .THU NIGHT...E winds 10 to 15 kt with gusts up to 20 kt, increasing to 20 to 25 kt with gusts up to 35 kt after midnight. Seas 3 to 4 ft. Rain. .FRI...E winds 20 to 25 kt, becoming N in the afternoon. Gusts up to 35 kt. Seas 6 to 7 ft. Rain. .FRI NIGHT...NW winds 15 to 20 kt, becoming W 10 to 15 kt after midnight. Gusts up to 30 kt. Seas around 6 ft, subsiding to 4 ft after midnight. .SAT...W winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. .SAT NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. .SUN...W winds 5 to 10 kt. Seas around 2 ft. .SUN NIGHT...W winds 5 to 10 kt. Seas around 2 ft in the evening, then 1 foot or less. A chance of showers after midnight. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ254-141615- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm- 1007 PM EST Tue Nov 13 2018 ...GALE WARNING IN EFFECT THROUGH WEDNESDAY EVENING... .OVERNIGHT...NW winds 20 to 25 kt, increasing to 25 to 30 kt. Gusts up to 40 kt. Seas 9 to 10 ft. .WED...NW winds 25 to 30 kt with gusts up to 45 kt. Seas around 11 ft. .WED NIGHT...NW winds 20 to 25 kt, becoming N 15 to 20 kt after midnight. Gusts up to 30 kt. Seas around 10 ft, subsiding to 8 ft after midnight. .THU...N winds 10 to 15 kt, becoming NE 5 to 10 kt in the afternoon. Seas 4 to 5 ft. A chance of rain in the afternoon. .THU NIGHT...E winds 15 to 20 kt with gusts up to 25 kt, increasing to 25 to 30 kt with gusts up to 40 kt after midnight. Seas around 6 ft, building to 9 ft after midnight. Rain. .FRI...E winds 25 to 30 kt, becoming NW 20 to 25 kt in the afternoon. Gusts up to 40 kt. Seas 12 to 13 ft. Rain, mainly in the morning. .FRI NIGHT...NW winds 20 to 25 kt, becoming W 15 to 20 kt after midnight. Gusts up to 30 kt. Seas around 14 ft, subsiding to 10 ft after midnight. .SAT...W winds 10 to 15 kt with 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...W winds 10 to 15 kt. Gusts up to 20 kt in the afternoon. Seas around 4 ft. .SUN NIGHT...W winds 5 to 10 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. $$ ANZ255-141615- Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- 1007 PM EST Tue Nov 13 2018 ...GALE WARNING IN EFFECT THROUGH WEDNESDAY EVENING... .OVERNIGHT...NW winds 20 to 25 kt with gusts up to 35 kt. Seas 9 to 10 ft. .WED...NW winds 20 to 25 kt with gusts up to 35 kt. Seas 8 to 9 ft. .WED NIGHT...N winds 15 to 20 kt. Gusts up to 30 kt. Seas 6 to 7 ft. .THU...NE winds 10 to 15 kt. Seas around 4 ft. A chance of rain in the afternoon. .THU NIGHT...E winds 20 to 25 kt with gusts up to 30 kt, increasing to 25 to 30 kt with gusts up to 40 kt after midnight. Seas around 7 ft, building to 10 ft after midnight. Rain. .FRI...SE winds 25 to 30 kt, becoming W 20 to 25 kt in the afternoon. Gusts up to 40 kt. Seas 11 to 12 ft. Rain likely, mainly in the morning. .FRI NIGHT...NW winds 20 to 25 kt, becoming W 15 to 20 kt after midnight. Gusts up to 30 kt. Seas around 12 ft, subsiding to 8 ft after midnight. .SAT...W winds 10 to 15 kt with gusts up to 25 kt. Seas around 6 ft, subsiding to 4 ft in the afternoon. .SAT NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas around 5 ft. .SUN...W winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 5 ft. .SUN NIGHT...W winds 5 to 10 kt with gusts up to 20 kt. Seas around 3 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ256-141615- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 1007 PM EST Tue Nov 13 2018 ...GALE WARNING IN EFFECT THROUGH WEDNESDAY AFTERNOON... .OVERNIGHT...NW winds 20 to 25 kt with gusts up to 35 kt. Seas around 9 ft. .WED...NW winds 20 to 25 kt, diminishing to 15 to 20 kt in the afternoon. Gusts up to 35 kt. Seas around 9 ft, subsiding to 7 ft in the afternoon. .WED NIGHT...NW winds 15 to 20 kt with gusts up to 30 kt, becoming N 10 to 15 kt with gusts up to 20 kt after midnight. Seas 5 to 6 ft. .THU...NE winds 10 to 15 kt. Gusts up to 20 kt in the afternoon. Seas 3 to 4 ft. Rain likely in the afternoon. .THU NIGHT...E winds 20 to 25 kt with gusts up to 30 kt, increasing to 25 to 30 kt with gusts up to 40 kt after midnight. Seas around 8 ft, building to 12 ft after midnight. Rain. .FRI...E winds 25 to 30 kt, becoming NW 20 to 25 kt in the afternoon. Seas 12 to 13 ft. Rain likely, mainly in the morning. .FRI NIGHT...NW winds 15 to 20 kt with gusts up to 30 kt. Seas around 11 ft, subsiding to 8 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 10 to 15 kt with gusts up to 20 kt. Seas around 5 ft. .SUN...W winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft. .SUN NIGHT...W winds around 10 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. $$ ANZ232-141615- Nantucket Sound- 1007 PM EST Tue Nov 13 2018 ...GALE WARNING IN EFFECT THROUGH WEDNESDAY AFTERNOON... .OVERNIGHT...NW winds 15 to 20 kt, increasing to 20 to 25 kt. Gusts up to 35 kt. Seas around 4 ft. .WED...NW winds 20 to 25 kt, diminishing to 15 to 20 kt in the afternoon. Gusts up to 35 kt. Seas 4 to 5 ft. .WED NIGHT...NW winds 15 to 20 kt with gusts up to 30 kt, becoming N 10 to 15 kt with gusts up to 20 kt after midnight. Seas 3 to 4 ft. .THU...NE winds 5 to 10 kt. Seas around 2 ft. A chance of rain in the afternoon. .THU NIGHT...E winds 15 to 20 kt with gusts up to 25 kt, increasing to 20 to 25 kt with gusts up to 35 kt after midnight. Seas 4 to 5 ft. Rain. .FRI...E winds 20 to 25 kt, becoming NW 15 to 20 kt in the afternoon. Gusts up to 35 kt. Seas 5 to 6 ft. Rain, mainly in the morning. .FRI NIGHT...NW winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to 5 ft. .SAT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .SAT NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas around 3 ft. .SUN...W winds 5 to 10 kt. Seas around 2 ft. .SUN NIGHT...W winds 5 to 10 kt. Seas around 2 ft in the evening, then 1 foot or less. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ233-141615- Vineyard Sound- 1007 PM EST Tue Nov 13 2018 ...GALE WARNING IN EFFECT THROUGH WEDNESDAY AFTERNOON... .OVERNIGHT...NW winds 15 to 20 kt with gusts up to 35 kt. Seas around 5 ft. .WED...NW winds 15 to 20 kt with gusts up to 35 kt. Seas around 4 ft. .WED NIGHT...NW winds 15 to 20 kt, becoming N 10 to 15 kt after midnight. Gusts up to 25 kt. Seas 2 to 3 ft. .THU...NE winds around 10 kt. Seas 1 foot or less. A chance of rain in the afternoon. .THU NIGHT...E winds 15 to 20 kt, increasing to 20 to 25 kt after midnight. Gusts up to 35 kt. Seas around 3 ft, building to 6 ft after midnight. Rain. .FRI...E winds 20 to 25 kt, becoming NW 15 to 20 kt in the afternoon. Gusts up to 30 kt. Seas around 5 ft. Rain, mainly in the morning. .FRI NIGHT...NW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 4 ft. .SAT...W winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. .SAT NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .SUN...W winds around 10 kt. Gusts up to 20 kt in the afternoon. Seas around 2 ft. .SUN NIGHT...W winds 5 to 10 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. $$ ANZ234-141615- Buzzards Bay- 1007 PM EST Tue Nov 13 2018 ...GALE WARNING IN EFFECT THROUGH WEDNESDAY AFTERNOON... .OVERNIGHT...NW winds 15 to 20 kt with gusts up to 30 kt. Seas around 3 ft. .WED...NW winds 15 to 20 kt with gusts up to 30 kt. Seas around 3 ft. .WED NIGHT...N winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. .THU...NE winds 5 to 10 kt. Seas 1 foot or less. A chance of rain in the afternoon. .THU NIGHT...E winds 15 to 20 kt with gusts up to 25 kt, increasing to 20 to 25 kt with gusts up to 35 kt after midnight. Seas around 3 ft, building to 5 ft after midnight. Rain. .FRI...E winds 15 to 20 kt, becoming NW in the afternoon. Gusts up to 30 kt. Seas 4 to 5 ft. Rain, mainly in the morning. .FRI NIGHT...W winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. .SAT...W winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. .SAT NIGHT...W winds 5 to 10 kt. Seas around 2 ft. .SUN...W winds 5 to 10 kt. Seas around 2 ft. .SUN NIGHT...W winds 5 to 10 kt. Seas 1 foot or less. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ235-141615- Rhode Island Sound- 1007 PM EST Tue Nov 13 2018 ...GALE WARNING IN EFFECT THROUGH WEDNESDAY AFTERNOON... .OVERNIGHT...NW winds 15 to 20 kt, increasing to 20 to 25 kt. Gusts up to 35 kt. Seas 7 to 8 ft. .WED...NW winds 15 to 20 kt with gusts up to 35 kt. Seas 6 to 7 ft. .WED NIGHT...NW winds 15 to 20 kt with gusts up to 30 kt, becoming N 10 to 15 kt with gusts up to 20 kt after midnight. Seas 4 to 5 ft. .THU...NE winds 10 to 15 kt. Gusts up to 20 kt in the afternoon. Seas 2 to 3 ft. Rain likely in the afternoon. .THU NIGHT...E winds 20 to 25 kt with gusts up to 30 kt, increasing to 25 to 30 kt with gusts up to 40 kt after midnight. Seas around 5 ft, building to 8 ft after midnight. Rain. .FRI...E winds 20 to 25 kt, becoming NW 15 to 20 kt in the afternoon. Gusts up to 35 kt. Seas around 8 ft. Rain, mainly in the morning. .FRI NIGHT...NW winds 15 to 20 kt with gusts up to 25 kt. Seas around 7 ft, subsiding to 5 ft after midnight. .SAT...W winds 10 to 15 kt with gusts up to 20 kt. Seas around 3 ft. .SAT NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas around 4 ft. .SUN...NW winds around 10 kt with gusts up to 20 kt. Seas 2 to 3 ft. .SUN NIGHT...W winds 5 to 10 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. $$ ANZ237-141615- Block Island Sound- 1007 PM EST Tue Nov 13 2018 ...GALE WARNING IN EFFECT THROUGH WEDNESDAY AFTERNOON... .OVERNIGHT...NW winds 15 to 20 kt with gusts up to 35 kt. Seas around 7 ft. .WED...NW winds 15 to 20 kt with gusts up to 35 kt. Seas 5 to 6 ft. .WED NIGHT...N winds 10 to 15 kt. Gusts up to 25 kt in the evening. Seas 3 to 4 ft. .THU...NE winds 5 to 10 kt, becoming E 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 2 to 3 ft. Rain likely in the afternoon. .THU NIGHT...E winds 20 to 25 kt, increasing to 25 to 30 kt after midnight. Gusts up to 30 kt in the evening. Seas around 6 ft, building to 8 ft after midnight. Rain. .FRI...E winds 20 to 25 kt, becoming NW 15 to 20 kt in the afternoon. Gusts up to 35 kt. Seas 8 to 9 ft. Rain, mainly in the morning. .FRI NIGHT...NW winds 10 to 15 kt with gusts up to 25 kt. Seas around 7 ft, subsiding to 4 ft after midnight. .SAT...W winds 10 to 15 kt with gusts up to 20 kt. Seas around 3 ft. .SAT NIGHT...W winds around 10 kt. Seas around 3 ft. .SUN...NW winds 5 to 10 kt. Seas 2 to 3 ft. .SUN NIGHT...NW winds 5 to 10 kt. Seas around 2 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ230-141615- Boston Harbor- 1007 PM EST Tue Nov 13 2018 ...GALE WARNING IN EFFECT THROUGH WEDNESDAY AFTERNOON... .OVERNIGHT...W winds 15 to 20 kt, becoming NW 20 to 25 kt. Gusts up to 30 kt. Waves around 2 ft. .WED...NW winds 20 to 25 kt with gusts up to 35 kt. Waves around 2 ft. .WED NIGHT...NW winds 15 to 20 kt, diminishing to 5 to 10 kt after midnight. Gusts up to 25 kt. Waves around 2 ft. .THU...N winds 5 to 10 kt, becoming E in the afternoon. Waves 1 foot or less. .THU NIGHT...E winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 25 kt after midnight. Waves 1 foot or less, then around 3 ft after midnight. Rain. Snow in the evening. .FRI...NE winds around 15 kt, becoming N in the afternoon. Gusts up to 25 kt. Waves around 4 ft. Rain. .FRI NIGHT...W winds 10 to 15 kt. Gusts up to 20 kt in the evening. Waves around 2 ft, except 4 to 5 ft at the outer harbor entrance. .SAT...W winds around 10 kt. Waves around 2 ft. .SAT NIGHT...W winds 5 to 10 kt. Waves around 2 ft in the evening, then 1 foot or less. .SUN...W winds 5 to 10 kt. Waves 1 foot or less. .SUN NIGHT...W winds 5 to 10 kt. Waves 1 foot or less. A chance of showers 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. $$ ANZ236-141615- Narragansett Bay- 1007 PM EST Tue Nov 13 2018 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY AFTERNOON... .OVERNIGHT...NW winds 10 to 15 kt with gusts up to 30 kt. Waves around 3 ft, except up to 6 ft at the bay entrance. .WED...NW winds 10 to 15 kt with gusts up to 30 kt. Waves around 3 ft. .WED NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt, becoming N 5 to 10 kt after midnight. Waves 2 to 3 ft. .THU...NE winds 5 to 10 kt. Waves around 2 ft in the morning, then 1 foot or less. A chance of rain in the afternoon. .THU NIGHT...E winds 10 to 15 kt, becoming NE 15 to 20 kt after midnight. Gusts up to 30 kt. Waves around 3 ft. Rain. .FRI...NE winds 15 to 20 kt, becoming NW 10 to 15 kt in the afternoon. Gusts up to 30 kt. Waves around 3 ft, except 5 to 6 ft at the bay entrance. Rain, mainly in the morning. .FRI NIGHT...NW winds 10 to 15 kt, becoming W 5 to 10 kt after midnight. Gusts up to 20 kt. Waves around 3 ft. .SAT...W winds 5 to 10 kt. Waves around 2 ft. .SAT NIGHT...W winds 5 to 10 kt. Waves around 2 ft. .SUN...W winds 5 to 10 kt. Waves around 2 ft. .SUN NIGHT...W winds 5 to 10 kt. Waves around 2 ft in the evening, then 1 foot or less. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ 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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