Coastal Waters Forecast
Issued by NWS Boston, MA

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000 FZUS51 KBOX 151816 CWFBOX Coastal Waters Forecast National Weather Service Boston/Norton MA 116 PM EST Thu Nov 15 2018 Coastal waters from the Merrimack River MA to Watch Hill RI out to 25 NM ANZ200-160700- 116 PM EST Thu Nov 15 2018 .Synopsis for Massachusetts and Rhode Island coastal waters... High pressure drifts to the Maritimes today. A coastal storm moves up from the Carolinas bringing rain and snow and strong winds to the waters late today through Friday. High pressure returns for the weekend. A cold front moves through on Monday. 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. $$ ANZ250-160700- Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- 116 PM EST Thu Nov 15 2018 ...STORM WARNING IN EFFECT FROM MIDNIGHT EST TONIGHT THROUGH FRIDAY MORNING... .THIS AFTERNOON...E winds 5 to 10 kt. Seas around 2 ft. .TONIGHT...E winds 15 to 20 kt with gusts up to 30 kt, increasing to 25 to 35 kt with gusts up to 50 kt after midnight. Seas 6 to 9 ft. Rain. Vsby 1 to 3 NM. .FRI...E winds 30 to 35 kt, becoming NW in the afternoon. Gusts up to 50 kt. Seas 10 to 15 ft. A chance of rain. Vsby 1 NM or less. .FRI NIGHT...W winds 15 to 20 kt, increasing to 20 to 25 kt after midnight. Gusts up to 30 kt. Seas 7 to 10 ft. .SAT...W winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to 7 ft. .SAT NIGHT...W winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 5 ft. .SUN...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. .SUN NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. A chance of rain. .MON...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. A chance of rain. Vsby 1 to 3 NM. .MON NIGHT...NW winds 20 to 25 kt with gusts up to 30 kt. Seas 2 to 4 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ251-160700- Massachusetts Bay and Ipswich Bay- 116 PM EST Thu Nov 15 2018 ...GALE WARNING IN EFFECT FROM 10 PM EST THIS EVENING THROUGH FRIDAY AFTERNOON... .THIS AFTERNOON...E winds 5 to 10 kt. Seas around 2 ft. .TONIGHT...E winds 15 to 20 kt with gusts up to 30 kt, increasing to 25 to 30 kt with gusts up to 45 kt after midnight. Seas 4 to 7 ft. Rain. Vsby 1 to 3 NM. .FRI...NE winds 25 to 30 kt with gusts up to 45 kt, becoming NW with gusts up to 35 kt in the afternoon. Seas 8 to 11 ft. Rain. Vsby 1 to 3 NM. .FRI NIGHT...W winds 10 to 15 kt, increasing to 15 to 20 kt after midnight. Gusts up to 30 kt. Seas 5 to 8 ft. .SAT...W winds 10 to 15 kt with gusts up to 25 kt. Seas 2 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...SW winds 5 to 10 kt. Seas 1 foot or less. A chance of rain and snow. Vsby 1 to 3 NM. .MON...W winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. A chance of rain. Vsby 1 to 3 NM. .MON NIGHT...NW 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. $$ ANZ231-160700- Cape Cod Bay- 116 PM EST Thu Nov 15 2018 ...STORM WARNING IN EFFECT FROM MIDNIGHT EST TONIGHT THROUGH FRIDAY MORNING... .THIS AFTERNOON...E winds 10 to 15 kt. Seas around 2 ft. .TONIGHT...E winds 15 to 20 kt with gusts up to 35 kt, increasing to 25 to 30 kt with gusts up to 50 kt after midnight. Seas 3 to 5 ft. Rain. Vsby 1 to 3 NM. .FRI...E winds 25 to 30 kt with gusts up to 50 kt, becoming NW with gusts up to 40 kt in the afternoon. Seas 4 to 6 ft. Rain likely. Vsby 1 to 3 NM. .FRI NIGHT...W winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to 5 ft. .SAT...W winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. .SAT NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. .SUN...NW winds 5 to 10 kt. Seas around 2 ft. .SUN NIGHT...SW winds 5 to 10 kt. Seas 1 foot or less. A chance of rain. Vsby 1 to 3 NM. .MON...SW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. A chance of rain. Vsby 1 to 3 NM. .MON NIGHT...NW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 3 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ254-160700- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm- 116 PM EST Thu Nov 15 2018 ...STORM WARNING IN EFFECT FROM MIDNIGHT EST TONIGHT THROUGH FRIDAY MORNING... .THIS AFTERNOON...E winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. .TONIGHT...E winds 20 to 25 kt with gusts up to 40 kt, increasing to 25 to 35 kt with gusts up to 50 kt after midnight. Seas 7 to 10 ft. Rain. Vsby 1 to 3 NM. .FRI...SE winds 30 to 35 kt, becoming NW 25 to 30 kt in the afternoon. Gusts up to 50 kt. Seas 10 to 15 ft. A chance of rain. Vsby 1 to 3 NM. .FRI NIGHT...W winds 15 to 20 kt with gusts up to 30 kt. Seas 7 to 10 ft. .SAT...W winds 15 to 20 kt, diminishing to 10 to 15 kt in the afternoon. Gusts up to 30 kt. Seas 4 to 7 ft. .SAT NIGHT...NW winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 5 ft. .SUN...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. .SUN NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. A chance of rain. .MON...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. A chance of rain. .MON NIGHT...NW winds 20 to 25 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. $$ ANZ255-160700- Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- 116 PM EST Thu Nov 15 2018 ...STORM WARNING IN EFFECT FROM MIDNIGHT EST TONIGHT THROUGH FRIDAY MORNING... .THIS AFTERNOON...E winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. A slight chance of rain. Vsby 1 to 3 NM. .TONIGHT...E winds 25 to 30 kt with gusts up to 40 kt, increasing to 30 to 35 kt with gusts up to 50 kt after midnight. Seas 7 to 10 ft. Rain. Vsby 1 to 3 NM. .FRI...S winds 25 to 30 kt, becoming W in the afternoon. Gusts up to 45 kt. Seas 9 to 14 ft. A chance of rain. Vsby 1 to 3 NM. .FRI NIGHT...W winds 15 to 20 kt with gusts up to 30 kt. Seas 7 to 10 ft. .SAT...W winds 15 to 20 kt, diminishing to 10 to 15 kt in the afternoon. Gusts up to 25 kt. Seas 5 to 8 ft. .SAT NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. .SUN...NW winds 5 to 10 kt. Seas 2 to 4 ft. .SUN NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. .MON...W winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 5 ft. .MON NIGHT...NW winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to 5 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ256-160700- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 116 PM EST Thu Nov 15 2018 ...STORM WARNING IN EFFECT FROM MIDNIGHT EST TONIGHT THROUGH FRIDAY MORNING... .THIS AFTERNOON...E winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. Rain likely. Vsby 1 to 3 NM. .TONIGHT...E winds 25 to 35 kt with gusts up to 50 kt. Seas 9 to 12 ft. Rain. Vsby 1 to 3 NM. .FRI...SW winds 25 to 30 kt, becoming NW in the afternoon. Gusts up to 40 kt. Seas 10 to 15 ft. A chance of rain. Vsby 1 to 3 NM. .FRI NIGHT...W winds 20 to 25 kt with gusts up to 30 kt. Seas 7 to 10 ft. .SAT...W winds 15 to 20 kt, diminishing to 10 to 15 kt in the afternoon. Gusts up to 25 kt. Seas 4 to 7 ft. .SAT NIGHT...NW 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...SW winds 5 to 10 kt. Seas 2 to 3 ft. .MON...W winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 5 ft. .MON NIGHT...NW 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. $$ ANZ232-160700- Nantucket Sound- 116 PM EST Thu Nov 15 2018 ...STORM WARNING IN EFFECT FROM MIDNIGHT EST TONIGHT THROUGH FRIDAY MORNING... .THIS AFTERNOON...E winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. A chance of rain. .TONIGHT...E winds 20 to 25 kt with gusts up to 40 kt, increasing to 25 to 35 kt with gusts up to 50 kt after midnight. Seas 4 to 6 ft. Rain. Vsby 1 to 3 NM. .FRI...S winds 25 to 30 kt with gusts up to 45 kt, becoming NW 20 to 25 kt with gusts up to 35 kt in the afternoon. Seas 4 to 6 ft. A chance of rain. Vsby 1 to 3 NM. .FRI NIGHT...W winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to 5 ft. .SAT...W winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. .SAT NIGHT...NW winds around 10 kt with gusts up to 20 kt. Seas 2 to 3 ft. .SUN...NW winds 5 to 10 kt. Seas around 2 ft. .SUN NIGHT...S winds 5 to 10 kt. Seas 1 foot or less. .MON...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .MON NIGHT...NW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 3 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ233-160700- Vineyard Sound- 116 PM EST Thu Nov 15 2018 ...STORM WARNING IN EFFECT FROM MIDNIGHT EST TONIGHT THROUGH FRIDAY MORNING... .THIS AFTERNOON...E winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. A chance of rain. .TONIGHT...E winds 20 to 25 kt with gusts up to 40 kt, increasing to 25 to 30 kt with gusts up to 50 kt after midnight. Seas 2 to 4 ft. Rain. Vsby 1 to 3 NM. .FRI...S winds 20 to 25 kt with gusts up to 40 kt, becoming NW with gusts up to 30 kt in the afternoon. Seas 3 to 5 ft. Rain likely. Vsby 1 to 3 NM. .FRI NIGHT...W winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to 5 ft. .SAT...W winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. .SAT NIGHT...NW winds around 10 kt with gusts up to 20 kt. Seas around 2 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. .MON...W winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. .MON NIGHT...NW 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. $$ ANZ234-160700- Buzzards Bay- 116 PM EST Thu Nov 15 2018 ...STORM WARNING IN EFFECT FROM MIDNIGHT EST TONIGHT THROUGH FRIDAY MORNING... .THIS AFTERNOON...E winds 10 to 15 kt with gusts up to 20 kt. Seas 1 foot or less. A chance of rain. .TONIGHT...E winds 20 to 25 kt with gusts up to 40 kt, increasing to 25 to 30 kt with gusts up to 50 kt after midnight. Seas 3 to 5 ft. Rain. Vsby 1 NM or less. .FRI...N winds 20 to 25 kt with gusts up to 40 kt, becoming NW 15 to 20 kt with gusts up to 30 kt in the afternoon. Seas 3 to 5 ft. Rain likely. Vsby 1 to 3 NM. .FRI NIGHT...W winds 10 to 15 kt with gusts up to 30 kt. Seas 2 to 4 ft. .SAT...W winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. .SAT NIGHT...NW winds 5 to 10 kt. Seas around 2 ft. .SUN...NW winds 5 to 10 kt. Seas 1 foot or less. .SUN NIGHT...S winds 5 to 10 kt. Seas 1 foot or less. .MON...W winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. .MON NIGHT...NW winds 15 to 20 kt with gusts up to 25 kt. Seas around 2 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ235-160700- Rhode Island Sound- 116 PM EST Thu Nov 15 2018 ...STORM WARNING IN EFFECT FROM MIDNIGHT EST TONIGHT THROUGH FRIDAY MORNING... .THIS AFTERNOON...E winds 15 to 20 kt. Seas 2 to 4 ft. Rain likely. Vsby 1 to 3 NM. .TONIGHT...E winds 25 to 35 kt with gusts up to 50 kt. Seas 6 to 9 ft. Rain. Vsby 1 to 3 NM. .FRI...N winds 25 to 30 kt with gusts up to 40 kt, becoming NW 20 to 25 kt with gusts up to 30 kt in the afternoon. Seas 8 to 11 ft. Rain likely. .FRI NIGHT...W winds 15 to 20 kt with gusts up to 30 kt. Seas 5 to 8 ft. .SAT...W winds 15 to 20 kt, diminishing to 10 to 15 kt in the afternoon. Gusts up to 25 kt. Seas 3 to 5 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 around 2 ft. .SUN NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. .MON...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. .MON NIGHT...NW 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. $$ ANZ237-160700- Block Island Sound- 116 PM EST Thu Nov 15 2018 ...STORM WARNING IN EFFECT FROM MIDNIGHT EST TONIGHT THROUGH FRIDAY MORNING... .THIS AFTERNOON...E winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. Rain likely. Vsby 1 to 3 NM. .TONIGHT...E winds 25 to 35 kt with gusts up to 50 kt. Seas 6 to 9 ft. Rain. Vsby 1 to 3 NM. .FRI...N winds 20 to 25 kt with gusts up to 40 kt, becoming NW with gusts up to 30 kt in the afternoon. Seas 7 to 10 ft. A chance of rain. Vsby 1 to 3 NM. .FRI NIGHT...W winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to 7 ft. .SAT...W winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 5 ft. .SAT NIGHT...NW winds 5 to 10 kt. Seas 2 to 3 ft. .SUN...NW winds 5 to 10 kt. Seas around 2 ft. .SUN NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. .MON...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .MON NIGHT...NW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 3 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ230-160700- Boston Harbor- 116 PM EST Thu Nov 15 2018 ...GALE WARNING IN EFFECT FROM 10 PM EST THIS EVENING THROUGH FRIDAY AFTERNOON... .THIS AFTERNOON...E winds 5 to 10 kt. Waves 1 foot or less. .TONIGHT...E winds 15 to 20 kt with gusts up to 30 kt, increasing to 20 to 25 kt with gusts up to 40 kt after midnight. Waves 3 to 5 ft. Rain. Vsby 1 to 3 NM. .FRI...NE winds 20 to 25 kt with gusts up to 40 kt, becoming NW with gusts up to 30 kt in the afternoon. Waves 4 to 6 ft. Rain. Vsby 1 to 3 NM. .FRI NIGHT...W winds 10 to 15 kt with gusts up to 25 kt. Waves around 2 ft, except 4 to 6 ft at the outer harbor entrance. .SAT...W winds 10 to 15 kt with gusts up to 20 kt. Waves around 2 ft. .SAT NIGHT...W winds 5 to 10 kt. Waves 1 foot or less. .SUN...NW winds 5 to 10 kt. Waves 1 foot or less. .SUN NIGHT...S winds around 5 kt. Waves 1 foot or less. A chance of snow and rain. Vsby 1 to 3 NM. .MON...SW winds 5 to 10 kt. Waves 1 foot or less. A chance of rain and snow. Vsby 1 to 3 NM. .MON NIGHT...NW 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. $$ ANZ236-160700- Narragansett Bay- 116 PM EST Thu Nov 15 2018 ...GALE WARNING IN EFFECT FROM MIDNIGHT EST TONIGHT THROUGH FRIDAY MORNING... .THIS AFTERNOON...E winds 10 to 15 kt with gusts up to 20 kt. Waves around 2 ft. A chance of snow with a slight chance of rain. .TONIGHT...E winds 20 to 25 kt with gusts up to 45 kt. Waves 2 to 3 ft, except 4 to 7 ft at the bay entrance. Rain and snow. Vsby 1 NM or less. .FRI...N winds 20 to 25 kt, becoming NW 15 to 20 kt in the afternoon. Gusts up to 30 kt. Waves 3 to 5 ft, except 5 to 8 ft at the bay entrance. Rain likely. Vsby 1 to 3 NM. .FRI NIGHT...W winds 10 to 15 kt with gusts up to 25 kt. Waves 2 to 4 ft. .SAT...W winds 5 to 10 kt. Gusts up to 20 kt in the morning. Waves 2 to 3 ft. .SAT NIGHT...W winds 5 to 10 kt. Waves around 2 ft. .SUN...NW winds around 5 kt. Waves 1 foot or less. .SUN NIGHT...SW winds around 5 kt. Waves 1 foot or less. .MON...W winds 5 to 10 kt. Waves around 2 ft. Patchy fog. Vsby 1 to 3 NM. .MON NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Waves around 2 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ 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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