Coastal Waters Forecast
Issued by NWS Boston, MA

Current Version | Previous Version | Text Only | Print | Product List | Glossary Off
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
000 FZUS51 KBOX 130016 CWFBOX Coastal Waters Forecast National Weather Service Taunton MA 716 PM EST Mon Feb 12 2018 Coastal waters from the Merrimack River MA to Watch Hill RI out to 25 NM ANZ200-131300- 716 PM EST Mon Feb 12 2018 .Synopsis for Massachusetts and Rhode Island coastal waters... High pressure will build over the waters this evening and Tuesday bringing drier and colder weather. A weather disturbance moves across the waters Wednesday night bringing a chance of showers. A cold front swings across the waters on Friday, bringing another chance of showers. 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. $$ ANZ250-131300- Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- 716 PM EST Mon Feb 12 2018 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY MORNING... .TONIGHT...NW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. .TUE...N winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt in the afternoon. Seas 2 to 4 ft. .TUE NIGHT...SW winds 10 to 15 kt, increasing to 15 to 20 kt after midnight. Seas 2 to 4 ft. .WED...SW winds 15 to 20 kt, diminishing to 10 to 15 kt in the afternoon. Gusts up to 30 kt. Seas 2 to 4 ft. .WED NIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. A chance of showers. Vsby 1 to 3 NM. .THU...SW winds 10 to 15 kt. Seas 2 to 4 ft. A chance of showers. Vsby 1 NM or less. .THU NIGHT...W winds 10 to 15 kt, becoming SW 5 to 10 kt after midnight. Gusts up to 20 kt. Seas 2 to 4 ft. A chance of showers. .FRI...W winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to 4 ft. A chance of showers. .FRI NIGHT...NW winds 20 to 25 kt with gusts up to 35 kt. Seas 4 to 7 ft. .SAT...W winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. .SAT NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ251-131300- Massachusetts Bay and Ipswich Bay- 716 PM EST Mon Feb 12 2018 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 5 AM EST TUESDAY... .TONIGHT...NW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 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...SW winds 10 to 15 kt, increasing to 15 to 20 kt after midnight. Seas 2 to 3 ft. .WED...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. .WED NIGHT...SW winds 5 to 10 kt. Gusts up to 20 kt in the evening. Seas around 2 ft. A chance of showers. Vsby 1 to 3 NM. .THU...SW winds 5 to 10 kt. Seas around 2 ft. .THU NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. A chance of showers. .FRI...W winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. A chance of showers. .FRI NIGHT...NW winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to 4 ft. .SAT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .SAT NIGHT...SW 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. $$ ANZ231-131300- Cape Cod Bay- 716 PM EST Mon Feb 12 2018 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 5 AM EST TUESDAY... .TONIGHT...NW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. .TUE...N winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt in the afternoon. Seas 2 to 3 ft. .TUE NIGHT...SW winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt after midnight. Seas around 2 ft. .WED...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. .WED NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. Showers likely. Vsby 1 to 3 NM. .THU...SW winds around 10 kt. Seas around 2 ft. A chance of showers. Vsby 1 NM or less. .THU NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Showers likely. .FRI...W winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. Showers likely. Vsby 1 to 3 NM. .FRI NIGHT...NW winds 20 to 25 kt with gusts up to 30 kt. Seas 3 to 5 ft. .SAT...W winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. .SAT NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ254-131300- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm- 716 PM EST Mon Feb 12 2018 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY AFTERNOON... .TONIGHT...NW winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 6 ft. .TUE...N winds 15 to 20 kt, diminishing to 5 to 10 kt in the afternoon. Seas 3 to 5 ft. .TUE NIGHT...S winds 5 to 10 kt, becoming SW 10 to 15 kt with gusts up to 20 kt after midnight. Seas 2 to 4 ft. .WED...SW winds 10 to 15 kt with gusts up to 30 kt. Seas 2 to 4 ft. .WED NIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. Showers likely. Vsby 1 to 3 NM. .THU...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. A chance of showers. Vsby 1 NM or less. .THU NIGHT...SW winds 10 to 15 kt, diminishing to 5 to 10 kt after midnight. Gusts up to 20 kt. Seas 3 to 5 ft. A chance of showers. .FRI...W winds 10 to 15 kt with gusts up to 30 kt. Seas 3 to 5 ft. A chance of showers. Vsby 1 to 3 NM. .FRI NIGHT...NW winds 20 to 25 kt with gusts up to 35 kt. Seas 6 to 9 ft. .SAT...NW winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 7 ft. .SAT NIGHT...SW 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. $$ ANZ255-131300- Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- 716 PM EST Mon Feb 12 2018 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY AFTERNOON... .TONIGHT...NW winds 10 to 15 kt, becoming N 15 to 20 kt after midnight. Seas 4 to 6 ft. .TUE...N winds 15 to 20 kt, becoming NE 10 to 15 kt in the afternoon. Seas 3 to 5 ft. .TUE NIGHT...SE winds 5 to 10 kt, becoming SW after midnight. Seas 2 to 3 ft. .WED...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .WED NIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt after midnight. Seas 3 to 5 ft. Showers likely. Vsby 1 to 3 NM. .THU...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 7 ft. A chance of showers. Vsby 1 NM or less. .THU NIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt in the evening. Seas 4 to 7 ft. Showers. .FRI...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 5 ft. Showers. Vsby 1 to 3 NM. .FRI NIGHT...NW winds 15 to 20 kt with gusts up to 30 kt. Seas 6 to 9 ft. .SAT...NW winds 15 to 20 kt. Seas 3 to 5 ft. .SAT NIGHT...SW winds 10 to 15 kt. Seas 2 to 3 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ256-131300- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 716 PM EST Mon Feb 12 2018 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 AM EST TUESDAY... .TONIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 6 ft. .TUE...N winds 10 to 15 kt with gusts up to 20 kt, becoming NE 5 to 10 kt in the afternoon. Seas 2 to 4 ft. .TUE NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. .WED...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .WED NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. Showers likely. Vsby 1 NM or less. .THU...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 7 ft. A chance of showers. Vsby 1 NM or less. .THU NIGHT...SW winds 10 to 15 kt. Seas 4 to 7 ft. Showers likely. Vsby 1 to 3 NM. .FRI...SW winds 10 to 15 kt with gusts up to 30 kt. Seas 4 to 6 ft. Showers likely. Vsby 1 to 3 NM. .FRI NIGHT...NW winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to 7 ft. .SAT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. .SAT NIGHT...SW winds 10 to 15 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. $$ ANZ232-131300- Nantucket Sound- 716 PM EST Mon Feb 12 2018 .TONIGHT...N winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. .TUE...N winds 10 to 15 kt with gusts up to 20 kt, becoming NE 5 to 10 kt in the afternoon. Seas 2 to 3 ft. .TUE NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. .WED...SW winds 10 to 15 kt with gusts up to 25 kt. Seas around 2 ft. .WED NIGHT...SW winds 10 to 15 kt. Seas 2 to 3 ft. Showers likely. Vsby 1 to 3 NM. .THU...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. A chance of showers. Vsby 1 NM or less. .THU NIGHT...SW winds 10 to 15 kt, diminishing to 5 to 10 kt after midnight. Seas 2 to 3 ft. Showers likely. .FRI...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. Showers likely. Vsby 1 to 3 NM. .FRI NIGHT...NW winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to 5 ft. .SAT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .SAT NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ233-131300- Vineyard Sound- 716 PM EST Mon Feb 12 2018 .TONIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .TUE...N winds 10 to 15 kt with gusts up to 20 kt, becoming NE 5 to 10 kt in the afternoon. Seas around 2 ft. .TUE NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. .WED...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .WED NIGHT...SW winds 10 to 15 kt. Seas 2 to 3 ft. Showers likely. Vsby 1 to 3 NM. .THU...SW winds 10 to 15 kt. Gusts up to 20 kt in the morning. Seas 2 to 4 ft. A chance of showers. Vsby 1 NM or less. .THU NIGHT...SW winds 10 to 15 kt, diminishing to 5 to 10 kt after midnight. Seas 2 to 4 ft. Showers likely. .FRI...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. Showers likely. Vsby 1 to 3 NM. .FRI NIGHT...NW winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to 4 ft. .SAT...W winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. .SAT NIGHT...SW winds around 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. $$ ANZ234-131300- Buzzards Bay- 716 PM EST Mon Feb 12 2018 .TONIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .TUE...NE winds 5 to 10 kt. Gusts up to 20 kt in the morning. Seas around 2 ft. .TUE NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. .WED...SW winds 5 to 10 kt, increasing to 10 to 15 kt in the afternoon. Gusts up to 25 kt. Seas around 2 ft. .WED NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Showers likely. Vsby 1 to 3 NM. .THU...SW winds 10 to 15 kt. Seas 2 to 3 ft. A chance of showers. Vsby 1 to 3 NM. .THU NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. Showers likely. .FRI...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. Showers likely. Vsby 1 to 3 NM. .FRI NIGHT...NW winds 10 to 15 kt with gusts up to 30 kt. Seas 2 to 3 ft. .SAT...W winds 10 to 15 kt. Seas around 2 ft. .SAT NIGHT...SW winds 5 to 10 kt. Seas 1 foot or less. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ235-131300- Rhode Island Sound- 716 PM EST Mon Feb 12 2018 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM EST TUESDAY... .TONIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. .TUE...N winds 10 to 15 kt with gusts up to 20 kt, becoming NE 5 to 10 kt in the afternoon. Seas 2 to 3 ft. .TUE NIGHT...S winds 5 to 10 kt, becoming SW 10 to 15 kt after midnight. Seas 2 to 3 ft. .WED...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .WED NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Showers likely. Vsby 1 to 3 NM. .THU...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. A chance of showers. Vsby 1 NM or less. .THU NIGHT...SW winds 10 to 15 kt, diminishing to 5 to 10 kt after midnight. Seas 3 to 5 ft. Showers likely. .FRI...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 5 ft. Showers likely. Vsby 1 to 3 NM. .FRI NIGHT...NW 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 20 kt. Seas 2 to 3 ft. .SAT NIGHT...SW 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. $$ ANZ237-131300- Block Island Sound- 716 PM EST Mon Feb 12 2018 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM EST TUESDAY... .TONIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. .TUE...N winds 5 to 10 kt, becoming E in the afternoon. Seas 2 to 3 ft. .TUE NIGHT...S winds 5 to 10 kt, becoming SW 10 to 15 kt after midnight. Seas 2 to 3 ft. .WED...SW winds 5 to 10 kt, increasing to 10 to 15 kt in the afternoon. Gusts up to 20 kt. Seas 2 to 3 ft. .WED NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Showers likely. Vsby 1 NM or less. .THU...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. A chance of showers. Vsby 1 NM or less. .THU NIGHT...SW winds 10 to 15 kt, diminishing to 5 to 10 kt after midnight. Seas 3 to 5 ft. Showers. .FRI...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. A chance of showers. Vsby 1 to 3 NM. .FRI NIGHT...NW winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to 5 ft. .SAT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .SAT NIGHT...SW winds around 10 kt. Seas around 2 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ230-131300- Boston Harbor- 716 PM EST Mon Feb 12 2018 .TONIGHT...NW winds 10 to 15 kt with gusts up to 25 kt. Waves around 2 ft. .TUE...NW winds 10 to 15 kt with gusts up to 20 kt, becoming W around 5 kt in the afternoon. Waves 1 foot or less. .TUE NIGHT...SW winds 10 to 15 kt. Waves around 2 ft. .WED...SW winds 5 to 10 kt with gusts up to 25 kt. Waves around 2 ft. .WED NIGHT...SW winds 5 to 10 kt. Waves 1 foot or less. A chance of showers. Vsby 1 to 3 NM. .THU...SW winds 5 to 10 kt. Waves 1 foot or less. .THU NIGHT...SW winds 5 to 10 kt. Waves 1 foot or less. A chance of showers. .FRI...W winds 10 to 15 kt with gusts up to 25 kt. Waves around 2 ft. Showers likely. .FRI NIGHT...NW winds 10 to 15 kt with gusts up to 25 kt. Waves around 2 ft. .SAT...W winds 10 to 15 kt with gusts up to 20 kt. Waves 1 foot or less. .SAT NIGHT...SW 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. $$ ANZ236-131300- Narragansett Bay- 716 PM EST Mon Feb 12 2018 .TONIGHT...NW winds 5 to 10 kt with gusts up to 20 kt. Waves 2 to 3 ft. .TUE...N winds 5 to 10 kt, becoming NE in the afternoon. Waves around 2 ft. .TUE NIGHT...SW winds 5 to 10 kt. Waves around 2 ft. .WED...SW winds 5 to 10 kt with gusts up to 20 kt. Waves around 2 ft. .WED NIGHT...SW winds 5 to 10 kt with gusts up to 20 kt. Waves around 2 ft. A chance of showers. Vsby 1 to 3 NM. .THU...SW winds 5 to 10 kt. Gusts up to 20 kt in the afternoon. Waves 2 to 3 ft. A chance of showers. Vsby 1 to 3 NM. .THU NIGHT...SW winds 5 to 10 kt. Waves 2 to 3 ft. Showers likely. .FRI...SW winds 10 to 15 kt with gusts up to 25 kt. Waves 2 to 3 ft. Showers likely. Vsby 1 to 3 NM. .FRI NIGHT...NW winds 10 to 15 kt with gusts up to 30 kt. Waves 2 to 3 ft. .SAT...W winds 5 to 10 kt. Waves around 2 ft. .SAT NIGHT...SW winds 5 to 10 kt. Waves 1 foot or less. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ 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

USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.