Coastal Waters Forecast
Issued by NWS Boston, MA

Current Version | Previous Version | Graphics & Text | 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
340 FZUS51 KBOX 240016 CWFBOX Coastal Waters Forecast National Weather Service Taunton MA 716 PM EST Fri Feb 23 2018 Coastal waters from the Merrimack River MA to Watch Hill RI out to 25 NM ANZ200-241300- 716 PM EST Fri Feb 23 2018 .Synopsis for Massachusetts and Rhode Island coastal waters... A cold front will push south of the waters Saturday morning. A series of frontal systems will sweep across the waters through the weekend. High pres builds over the waters 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. $$ ANZ250-241300- Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- 716 PM EST Fri Feb 23 2018 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM EST SATURDAY... .TONIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 5 ft. Patchy fog. Rain this evening. Vsby 1 NM or less after midnight. .SAT...W winds 10 to 15 kt, becoming NW 5 to 10 kt in the afternoon. Gusts up to 25 kt. Seas 2 to 4 ft. .SAT NIGHT...N winds 5 to 10 kt, becoming NE 15 to 20 kt with gusts up to 25 kt after midnight. Seas 2 to 4 ft. A chance of rain. .SUN...E winds 15 to 20 kt, becoming SE 20 to 25 kt in the afternoon. Gusts up to 30 kt. Seas 5 to 8 ft. Rain. .SUN NIGHT...S winds 15 to 20 kt with gusts up to 25 kt, becoming NW 10 to 15 kt after midnight. Seas 5 to 8 ft. A chance of rain. .MON...W winds 10 to 15 kt. Seas 4 to 6 ft. .MON NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. .TUE...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. .TUE NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. .WED...W winds 5 to 10 kt. Seas 2 to 3 ft. .WED NIGHT...S winds 5 to 10 kt. Seas around 2 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ251-241300- Massachusetts Bay and Ipswich Bay- 716 PM EST Fri Feb 23 2018 .TONIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. Patchy fog. Rain this evening. .SAT...NW winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 3 ft. .SAT NIGHT...N winds 5 to 10 kt, becoming NE 15 to 20 kt after midnight. Seas 2 to 3 ft. Rain likely. .SUN...E winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to 7 ft. Rain. Vsby 1 to 3 NM. .SUN NIGHT...N winds 10 to 15 kt with gusts up to 20 kt, becoming NW 5 to 10 kt after midnight. Seas 4 to 6 ft. A chance of rain. .MON...W winds 5 to 10 kt. Seas 3 to 5 ft. .MON NIGHT...NW winds 5 to 10 kt. Seas 2 to 4 ft. .TUE...W winds 5 to 10 kt. Seas 2 to 3 ft. .TUE NIGHT...W winds 5 to 10 kt. Seas around 2 ft. .WED...SW winds 5 to 10 kt. Seas around 2 ft. .WED NIGHT...S 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. $$ ANZ231-241300- Cape Cod Bay- 716 PM EST Fri Feb 23 2018 .TONIGHT...S winds 5 to 10 kt with gusts up to 20 kt, becoming SW after midnight. Seas 2 to 3 ft. Patchy fog. Rain this evening. Vsby 1 NM or less after midnight. .SAT...W winds 5 to 10 kt, becoming NW in the afternoon. Seas around 2 ft. .SAT NIGHT...NE winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 25 kt after midnight. Seas around 2 ft. Rain likely. .SUN...E winds 10 to 15 kt, becoming SE 15 to 20 kt in the afternoon. Gusts up to 30 kt. Seas 2 to 4 ft. Rain. Vsby 1 to 3 NM. .SUN NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, becoming NW 5 to 10 kt after midnight. Seas 2 to 3 ft. A chance of rain. .MON...NW winds 5 to 10 kt. Seas around 2 ft. .MON NIGHT...NW winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt after midnight. Seas around 2 ft. .TUE...W winds 5 to 10 kt. Seas around 2 ft. .TUE NIGHT...W winds 5 to 10 kt. Seas around 2 ft. .WED...W winds 5 to 10 kt. Seas 1 foot or less. .WED NIGHT...S winds 5 to 10 kt. Seas 1 foot or less. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ254-241300- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm- 716 PM EST Fri Feb 23 2018 .TONIGHT...S winds 10 to 15 kt, becoming W after midnight. Gusts up to 25 kt. Seas 3 to 5 ft. Patchy fog. Rain this evening. Vsby 1 NM or less. .SAT...W winds 10 to 15 kt with gusts up to 20 kt, becoming NW 5 to 10 kt in the afternoon. Seas 2 to 4 ft. Patchy fog. Vsby 1 NM or less. .SAT NIGHT...N winds 5 to 10 kt, becoming NE 15 to 20 kt with gusts up to 25 kt after midnight. Seas 2 to 4 ft. Rain likely. .SUN...SE winds 20 to 25 kt with gusts up to 35 kt. Seas 4 to 7 ft. Rain. Vsby 1 to 3 NM. .SUN NIGHT...SW winds 15 to 20 kt, becoming NW 10 to 15 kt after midnight. Gusts up to 25 kt. Seas 5 to 8 ft. A chance of rain. .MON...NW winds 5 to 10 kt. Gusts up to 20 kt in the morning. Seas 3 to 5 ft. .MON NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. .TUE...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. .TUE NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. .WED...W winds 5 to 10 kt. Seas 2 to 3 ft. .WED NIGHT...S winds 5 to 10 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. $$ ANZ255-241300- Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- 716 PM EST Fri Feb 23 2018 .TONIGHT...SE winds 5 to 10 kt, becoming W 10 to 15 kt with gusts up to 20 kt after midnight. Seas 3 to 5 ft. Patchy dense fog. Rain likely this evening. Vsby 1 NM or less. .SAT...W winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt in the afternoon. Seas 3 to 5 ft. Patchy fog. Vsby 1 NM or less. .SAT NIGHT...NE winds 5 to 10 kt, becoming E 15 to 20 kt with gusts up to 25 kt after midnight. Seas 2 to 4 ft. A chance of rain. .SUN...E winds 20 to 25 kt, becoming SE 15 to 20 kt in the afternoon. Gusts up to 35 kt. Seas 4 to 7 ft. Rain. Vsby 1 to 3 NM. .SUN NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, becoming NW after midnight. Seas 4 to 6 ft. A chance of rain. .MON...NW winds 5 to 10 kt. Seas 3 to 5 ft. .MON NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft. .TUE...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. .TUE NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft. .WED...W winds 5 to 10 kt. Seas 2 to 3 ft. .WED NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ256-241300- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 716 PM EST Fri Feb 23 2018 .TONIGHT...S winds 5 to 10 kt, becoming W 10 to 15 kt with gusts up to 20 kt after midnight. Seas 3 to 5 ft. Patchy fog. Rain likely this evening. Vsby 1 NM or less. .SAT...W winds 10 to 15 kt, diminishing to 5 to 10 kt in the afternoon. Seas 3 to 5 ft. Patchy fog. Vsby 1 NM or less. .SAT NIGHT...NE winds 5 to 10 kt, becoming E 15 to 20 kt with gusts up to 30 kt after midnight. Seas 2 to 4 ft. Rain. .SUN...SE winds 20 to 25 kt with gusts up to 30 kt. Seas 4 to 7 ft. Rain. Vsby 1 to 3 NM. .SUN NIGHT...SW winds 10 to 15 kt, becoming NW 5 to 10 kt after midnight. Seas 4 to 6 ft. A chance of rain. .MON...W winds 5 to 10 kt. Seas 3 to 5 ft. .MON NIGHT...NW winds 10 to 15 kt. Seas 3 to 4 ft. .TUE...W winds 10 to 15 kt. Seas 3 to 4 ft. .TUE NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas around 3 ft. .WED...W winds around 10 kt. Seas 2 to 3 ft. .WED NIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft. A chance of rain. 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. $$ ANZ232-241300- Nantucket Sound- 716 PM EST Fri Feb 23 2018 .TONIGHT...S winds 5 to 10 kt, becoming W 10 to 15 kt with gusts up to 20 kt after midnight. Seas 2 to 3 ft. Patchy fog. Rain this evening. Vsby 1 NM or less. .SAT...W winds 5 to 10 kt, diminishing to around 5 kt in the afternoon. Seas 2 to 3 ft. Patchy fog. Vsby 1 NM or less. .SAT NIGHT...NE winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 25 kt after midnight. Seas around 2 ft. A chance of rain. .SUN...SE winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to 5 ft. Rain. Vsby 1 to 3 NM. .SUN NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, becoming NW 5 to 10 kt after midnight. Seas 2 to 4 ft. A chance of rain. .MON...W winds 5 to 10 kt. Seas 2 to 3 ft. .MON NIGHT...NW winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt after midnight. Seas 2 to 3 ft. .TUE...W winds 5 to 10 kt. Seas 2 to 3 ft. .TUE NIGHT...W winds 10 to 15 kt. Seas around 2 ft. .WED...W winds 5 to 10 kt. Seas around 2 ft. .WED NIGHT...S winds 5 to 10 kt. Seas around 2 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ233-241300- Vineyard Sound- 716 PM EST Fri Feb 23 2018 .TONIGHT...S winds 5 to 10 kt, becoming W 10 to 15 kt with gusts up to 20 kt after midnight. Seas 2 to 3 ft. Patchy fog. Rain likely this evening. Vsby 1 NM or less. .SAT...W winds 10 to 15 kt, diminishing to 5 to 10 kt in the afternoon. Seas 2 to 3 ft. Patchy fog. Vsby 1 NM or less. .SAT NIGHT...NE winds 5 to 10 kt, becoming E 10 to 15 kt with gusts up to 25 kt after midnight. Seas 2 to 4 ft. Rain likely. .SUN...E winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to 3 ft. Rain. Vsby 1 to 3 NM. .SUN NIGHT...SW winds 5 to 10 kt, becoming NW after midnight. Seas 2 to 3 ft. A chance of rain. .MON...W winds 5 to 10 kt. Seas 2 to 3 ft. .MON NIGHT...NW winds around 10 kt. Seas 2 to 3 ft. .TUE...W winds around 10 kt. Seas 2 to 3 ft. .TUE NIGHT...W winds around 10 kt. Seas 2 to 3 ft. .WED...W winds 5 to 10 kt. Seas around 2 ft. .WED NIGHT...S 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. $$ ANZ234-241300- Buzzards Bay- 716 PM EST Fri Feb 23 2018 .TONIGHT...S winds 5 to 10 kt, becoming SW 10 to 15 kt after midnight. Seas 2 to 3 ft. Patchy fog. Rain this evening. Vsby 1 NM or less. .SAT...W winds 5 to 10 kt, diminishing to around 5 kt in the afternoon. Seas around 2 ft. Patchy fog. Vsby 1 NM or less. .SAT NIGHT...NE winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 25 kt after midnight. Seas 2 to 4 ft. A chance of rain. .SUN...E winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to 3 ft. Rain. Vsby 1 to 3 NM. .SUN NIGHT...SW winds 5 to 10 kt, becoming NW after midnight. Seas around 2 ft. A chance of rain. .MON...W winds 5 to 10 kt. Seas around 2 ft. .MON NIGHT...NW winds 5 to 10 kt. Seas around 2 ft. .TUE...W winds 5 to 10 kt. Seas around 2 ft. .TUE NIGHT...W winds 5 to 10 kt. Seas around 2 ft. .WED...W winds 5 to 10 kt. Seas 1 foot or less. .WED NIGHT...S winds 5 to 10 kt. Seas 1 foot or less. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ235-241300- Rhode Island Sound- 716 PM EST Fri Feb 23 2018 .TONIGHT...S winds 5 to 10 kt, becoming W 15 to 20 kt after midnight. Seas 2 to 4 ft. Patchy fog. Rain likely this evening. Vsby 1 NM or less. .SAT...W winds 10 to 15 kt, diminishing to 5 to 10 kt in the afternoon. Seas 2 to 4 ft. Patchy fog. Vsby 1 NM or less. .SAT NIGHT...NE winds 5 to 10 kt, becoming E 15 to 20 kt with gusts up to 25 kt after midnight. Seas 2 to 4 ft. Rain. .SUN...E winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to 5 ft. Rain. Vsby 1 to 3 NM. .SUN NIGHT...SW winds 5 to 10 kt, becoming NW after midnight. Seas 3 to 5 ft. A chance of rain. .MON...W winds 5 to 10 kt. Seas 2 to 4 ft. .MON NIGHT...NW winds 5 to 10 kt. Seas 2 to 4 ft. .TUE...W winds 5 to 10 kt. Seas 2 to 3 ft. .TUE NIGHT...W winds 10 to 15 kt. Seas 2 to 3 ft. .WED...W winds 5 to 10 kt. Seas 2 to 3 ft. .WED NIGHT...SE winds 5 to 10 kt. Seas around 2 ft. A chance of rain. 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. $$ ANZ237-241300- Block Island Sound- 716 PM EST Fri Feb 23 2018 .TONIGHT...S winds 5 to 10 kt, becoming W 10 to 15 kt after midnight. Gusts up to 20 kt. Seas 2 to 4 ft. Patchy fog. Rain this evening. Vsby 1 NM or less. .SAT...W winds 5 to 10 kt. Seas 2 to 4 ft. Patchy fog. Vsby 1 NM or less. .SAT NIGHT...NE winds 5 to 10 kt, becoming E 15 to 20 kt with gusts up to 30 kt after midnight. Seas 2 to 3 ft. Rain. .SUN...E winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to 6 ft. Rain. Vsby 1 to 3 NM. .SUN NIGHT...W winds 5 to 10 kt. Seas 3 to 5 ft. A chance of rain. .MON...W winds 5 to 10 kt. Seas 2 to 4 ft. .MON NIGHT...NW winds 5 to 10 kt. Seas 2 to 4 ft. .TUE...W winds 5 to 10 kt. Seas 2 to 3 ft. .TUE NIGHT...W winds 10 to 15 kt. Seas 2 to 3 ft. .WED...SW winds 5 to 10 kt. Seas around 2 ft. .WED NIGHT...SE winds 5 to 10 kt. Seas around 2 ft. A chance of rain. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ230-241300- Boston Harbor- 716 PM EST Fri Feb 23 2018 .TONIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Waves around 2 ft. Patchy fog. Rain this evening. .SAT...NW winds 5 to 10 kt. Gusts up to 20 kt in the morning. Waves around 2 ft. .SAT NIGHT...N winds 5 to 10 kt, becoming NE 10 to 15 kt with gusts up to 20 kt after midnight. Waves around 2 ft. Rain likely. .SUN...E winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Gusts up to 30 kt. Waves 2 to 4 ft. Rain. .SUN NIGHT...N winds 5 to 10 kt, becoming NW after midnight. Waves 1 foot or less, except 2 to 4 ft at the outer harbor entrance. A chance of rain. .MON...W winds 5 to 10 kt. Waves 1 foot or less, except 2 to 4 ft at the outer harbor entrance. .MON NIGHT...NW winds 5 to 10 kt. Waves 1 foot or less. .TUE...W winds 5 to 10 kt. Waves 1 foot or less. .TUE NIGHT...W winds 5 to 10 kt. Waves 1 foot or less. .WED...W winds around 5 kt. Waves 1 foot or less. .WED NIGHT...S winds around 5 kt. Waves 1 foot or less. A chance of rain. 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. $$ ANZ236-241300- Narragansett Bay- 716 PM EST Fri Feb 23 2018 .TONIGHT...S winds 5 to 10 kt, becoming SW after midnight. Waves 2 to 3 ft. Patchy fog. Rain this evening. Vsby 1 NM or less. .SAT...NW winds 5 to 10 kt. Waves 2 to 3 ft. .SAT NIGHT...NE winds around 5 kt, increasing to 10 to 15 kt with gusts up to 25 kt after midnight. Waves around 2 ft. Rain. .SUN...E winds 10 to 15 kt with gusts up to 30 kt. Waves 2 to 4 ft. Rain. Vsby 1 to 3 NM. .SUN NIGHT...NW winds around 5 kt. Waves 2 to 4 ft. A chance of rain. .MON...W winds 5 to 10 kt. Waves 2 to 3 ft. .MON NIGHT...NW winds 5 to 10 kt. Waves 2 to 3 ft. .TUE...W winds 5 to 10 kt. Waves around 2 ft. .TUE NIGHT...W winds 5 to 10 kt. Waves around 2 ft. .WED...W winds 5 to 10 kt. Waves around 2 ft. .WED NIGHT...SE winds 5 to 10 kt. Waves 1 foot or less. A chance of rain. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ 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.