Coastal Waters Forecast
Issued by NWS Boston, MA

Current Version | Previous Version | Text Only | Print | Product List | Glossary On
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 170016 CWFBOX Coastal Waters Forecast National Weather Service Taunton MA 716 PM EST Fri Feb 16 2018 Coastal waters from the Merrimack River MA to Watch Hill RI out to 25 NM ANZ200-171300- 716 PM EST Fri Feb 16 2018 .Synopsis for Massachusetts and Rhode Island coastal waters... A cold front sweeps across the waters with rain and fog through the mid evening. High pres builds across the waters overnight. A fast moving coastal low passes southeast of Nantucket early Sun. Another high pressure area will build over the waters on Mon. This high will move offshore Tue and be trailed by a warm front that will approach the south coast. 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. $$ ANZ250-171300- Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- 716 PM EST Fri Feb 16 2018 ...GALE WARNING IN EFFECT UNTIL 3 AM EST SATURDAY... .TONIGHT...NW winds 20 to 25 kt with gusts up to 35 kt. Seas 3 to 5 ft. .SAT...NW winds 10 to 15 kt with gusts up to 25 kt, becoming SE 5 to 10 kt in the afternoon. Seas 2 to 4 ft. .SAT NIGHT...S winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. Rain and snow. Vsby 1 NM or less. .SUN...W winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. A chance of snow showers. Vsby 1 NM or less. .SUN NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. .MON...S winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. A chance of showers. .MON NIGHT...S winds 10 to 15 kt, becoming SW 15 to 20 kt after midnight. Gusts up to 25 kt. Seas 4 to 6 ft. Showers likely. .TUE...SW winds around 15 kt with gusts up to 25 kt. Seas 3 to 5 ft. .TUE NIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 5 ft. .WED...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. .WED NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. A chance of showers. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ251-171300- Massachusetts Bay and Ipswich Bay- 716 PM EST Fri Feb 16 2018 ...GALE WARNING IN EFFECT UNTIL 2 AM EST SATURDAY... .TONIGHT...NW winds 20 to 25 kt, diminishing to 15 to 20 kt after midnight. Gusts up to 30 kt. Seas 2 to 4 ft. .SAT...NW winds 10 to 15 kt with gusts up to 20 kt, becoming SE 5 to 10 kt in the afternoon. Seas 2 to 4 ft. .SAT NIGHT...S winds 10 to 15 kt, becoming SE 5 to 10 kt after midnight. Gusts up to 25 kt. Seas around 2 ft. Snow. Vsby 1 NM or less. .SUN...NW winds 10 to 15 kt, becoming W 5 to 10 kt in the afternoon. Gusts up to 25 kt. Seas around 2 ft. A chance of snow showers. Vsby 1 to 3 NM. .SUN NIGHT...SW winds 5 to 10 kt. Seas 1 foot or less. .MON...S winds 5 to 10 kt, increasing to 10 to 15 kt in the afternoon. Gusts up to 20 kt. Seas 2 to 3 ft. A chance of showers. .MON NIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. Showers likely. .TUE...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. .TUE NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .WED...SW winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 3 ft. .WED NIGHT...W winds 5 to 10 kt with gusts up to 20 kt. Seas around 2 ft. A chance of showers. 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. $$ ANZ231-171300- Cape Cod Bay- 716 PM EST Fri Feb 16 2018 ...GALE WARNING IN EFFECT UNTIL 2 AM EST SATURDAY... .TONIGHT...NW winds 20 to 25 kt with gusts up to 35 kt. Seas 2 to 4 ft. A chance of showers this evening. .SAT...N winds 10 to 15 kt with gusts up to 20 kt, becoming SE 5 to 10 kt in the afternoon. Seas 2 to 4 ft. .SAT NIGHT...S winds 10 to 15 kt, becoming E 5 to 10 kt after midnight. Gusts up to 25 kt. Seas around 2 ft. Snow and rain. Vsby 1 NM or less. .SUN...NW winds 10 to 15 kt with gusts up to 25 kt. Seas around 2 ft. A chance of snow showers. Vsby 1 to 3 NM. .SUN NIGHT...SW winds 5 to 10 kt. Seas 1 foot or less. .MON...S winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas around 2 ft. A chance of showers. .MON NIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. Showers likely. .TUE...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. .TUE NIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. .WED...SW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. .WED NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. A chance of showers. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ254-171300- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm- 716 PM EST Fri Feb 16 2018 ...GALE WARNING IN EFFECT UNTIL 3 AM EST SATURDAY... .TONIGHT...NW winds 20 to 25 kt with gusts up to 35 kt. Seas 4 to 7 ft. A chance of showers this evening. .SAT...N winds 10 to 15 kt with gusts up to 25 kt, becoming E 5 to 10 kt in the afternoon. Seas 4 to 6 ft. .SAT NIGHT...SE winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. Rain. Vsby 1 NM or less. .SUN...NW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. A chance of snow showers. Vsby 1 NM or less. .SUN NIGHT...SW winds 5 to 10 kt. Seas 2 to 4 ft. .MON...S winds 5 to 10 kt, increasing to 10 to 15 kt in the afternoon. Gusts up to 20 kt. Seas 2 to 4 ft. A chance of showers. .MON NIGHT...S winds 10 to 15 kt, becoming SW 15 to 20 kt after midnight. Gusts up to 25 kt. Seas 4 to 7 ft. A chance of showers. .TUE...SW winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to 6 ft. .TUE NIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 4 to 6 ft. .WED...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 6 ft. .WED NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. A chance of showers. 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. $$ ANZ255-171300- Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- 716 PM EST Fri Feb 16 2018 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY MORNING... .TONIGHT...NW winds 15 to 20 kt, becoming N 20 to 25 kt after midnight. Gusts up to 35 kt. Seas 5 to 8 ft. A chance of showers this evening. .SAT...N winds 10 to 15 kt with gusts up to 25 kt, becoming E 5 to 10 kt in the afternoon. Seas 3 to 5 ft. .SAT NIGHT...E winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Rain. Vsby 1 NM or less. .SUN...NW winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 5 ft. A chance of snow showers. Vsby 1 to 3 NM. .SUN NIGHT...W winds 5 to 10 kt. Seas 3 to 5 ft. .MON...S winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 2 to 4 ft. A chance of showers. .MON NIGHT...S winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 6 ft. A chance of showers. .TUE...SW winds around 15 kt with gusts up to 25 kt. Seas 4 to 7 ft. A chance of showers. .TUE NIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 5 to 7 ft. .WED...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 7 ft. .WED NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. A chance of showers. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ256-171300- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 716 PM EST Fri Feb 16 2018 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY MORNING... .TONIGHT...NW winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to 7 ft. A chance of showers this evening. .SAT...N winds 10 to 15 kt with gusts up to 20 kt, becoming SE 5 to 10 kt in the afternoon. Seas 3 to 5 ft. .SAT NIGHT...SE winds 10 to 15 kt, becoming NE after midnight. Gusts up to 20 kt. Seas 2 to 4 ft. Rain. Vsby 1 NM or less. .SUN...W winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. .SUN NIGHT...W winds 5 to 10 kt, becoming S after midnight. Seas 2 to 4 ft. .MON...S winds 10 to 15 kt. Gusts up to 20 kt in the afternoon. Seas 2 to 3 ft. A chance of showers. .MON NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 6 ft. Showers likely. .TUE...SW winds around 15 kt with gusts up to 25 kt. Seas 5 to 7 ft. .TUE NIGHT...SW winds around 15 kt with gusts up to 25 kt. Seas 5 to 7 ft. .WED...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 5 to 7 ft. .WED NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 6 ft. A chance of showers. 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. $$ ANZ232-171300- Nantucket Sound- 716 PM EST Fri Feb 16 2018 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM EST SATURDAY... .TONIGHT...NW winds 20 to 25 kt, becoming N 15 to 20 kt after midnight. Gusts up to 35 kt. Seas 2 to 4 ft. A chance of showers this evening. .SAT...N winds 10 to 15 kt with gusts up to 20 kt, becoming SE 5 to 10 kt in the afternoon. Seas 2 to 3 ft. .SAT NIGHT...SE winds 10 to 15 kt, becoming E 5 to 10 kt after midnight. Gusts up to 20 kt. Seas 2 to 3 ft. Rain and snow. Vsby 1 NM or less. .SUN...NW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. A chance of snow showers. Vsby 1 to 3 NM. .SUN NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. .MON...S winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 2 to 3 ft. A chance of showers. .MON NIGHT...S winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. A chance of showers. .TUE...SW winds around 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. .TUE NIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. .WED...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. .WED NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. A chance of showers. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ233-171300- Vineyard Sound- 716 PM EST Fri Feb 16 2018 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 5 AM EST SATURDAY... .TONIGHT...NW winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to 3 ft. A chance of showers this evening. .SAT...N winds 10 to 15 kt with gusts up to 20 kt, becoming SE 5 to 10 kt in the afternoon. Seas 2 to 3 ft. .SAT NIGHT...SE winds around 10 kt with gusts up to 20 kt, becoming E after midnight. Seas around 2 ft. Rain and snow. Vsby 1 NM or less. .SUN...W winds 10 to 15 kt with gusts up to 25 kt. Seas around 2 ft. .SUN NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. .MON...S winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas around 2 ft. A chance of showers. .MON NIGHT...S winds around 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. Showers likely. .TUE...SW winds around 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. .TUE NIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. .WED...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. .WED NIGHT...W winds around 10 kt with gusts up to 20 kt. Seas 2 to 4 ft. A chance of showers. 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. $$ ANZ234-171300- Buzzards Bay- 716 PM EST Fri Feb 16 2018 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 5 AM EST SATURDAY... .TONIGHT...NW winds 10 to 15 kt with gusts up to 30 kt. Seas 2 to 3 ft. A chance of showers this evening. .SAT...N winds 5 to 10 kt, becoming SE in the afternoon. Seas around 2 ft. .SAT NIGHT...SE winds 5 to 10 kt with gusts up to 20 kt, becoming E after midnight. Seas around 2 ft. Snow and rain. Vsby 1 NM or less. .SUN...NW winds 10 to 15 kt, becoming W 5 to 10 kt in the afternoon. Gusts up to 20 kt. Seas around 2 ft. .SUN NIGHT...W winds 5 to 10 kt, becoming SW after midnight. Seas around 2 ft. .MON...S winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas around 2 ft. A chance of showers. .MON NIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. Showers likely. .TUE...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. .TUE NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .WED...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .WED NIGHT...W winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 3 ft. A chance of showers. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ235-171300- Rhode Island Sound- 716 PM EST Fri Feb 16 2018 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 AM EST SATURDAY... .TONIGHT...NW winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to 5 ft. A slight chance of showers this evening. .SAT...N winds 10 to 15 kt with gusts up to 20 kt, becoming SE 5 to 10 kt in the afternoon. Seas 3 to 5 ft. .SAT NIGHT...SE winds around 10 kt, becoming NE after midnight. Gusts up to 20 kt. Seas around 2 ft. Rain and snow. Vsby 1 NM or less. .SUN...W winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. .SUN NIGHT...W winds 5 to 10 kt, becoming SW after midnight. Seas 2 to 3 ft. .MON...S winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 2 to 3 ft. A chance of showers. .MON NIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 5 ft. Showers likely. .TUE...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 5 ft. .TUE NIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 5 ft. .WED...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 6 ft. .WED NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. A chance of showers. 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. $$ ANZ237-171300- Block Island Sound- 716 PM EST Fri Feb 16 2018 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 AM EST SATURDAY... .TONIGHT...NW winds 10 to 15 kt with gusts up to 30 kt. Seas 3 to 5 ft. A slight chance of showers this evening. .SAT...N winds 5 to 10 kt, becoming SE in the afternoon. Seas 2 to 4 ft. .SAT NIGHT...SE winds around 10 kt, becoming NE after midnight. Seas 2 to 3 ft. Rain and snow. Vsby 1 NM or less. .SUN...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .SUN NIGHT...W winds 5 to 10 kt, becoming S after midnight. Seas 2 to 3 ft. .MON...S winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 2 to 3 ft. A chance of showers. .MON NIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 5 ft. Showers likely. .TUE...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 5 ft. .TUE NIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 5 ft. .WED...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. .WED NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. A chance of showers. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ230-171300- Boston Harbor- 716 PM EST Fri Feb 16 2018 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 5 AM EST SATURDAY... .TONIGHT...NW winds 15 to 20 kt with gusts up to 30 kt. Waves around 2 ft. .SAT...NW winds 10 to 15 kt, becoming SE 5 to 10 kt in the afternoon. Waves around 2 ft. .SAT NIGHT...SE winds 5 to 10 kt. Gusts up to 20 kt in the evening. Waves 1 foot or less. Snow. Vsby 1 NM or less. .SUN...W winds 5 to 10 kt with gusts up to 20 kt. Waves around 2 ft. A chance of snow showers. Vsby 1 to 3 NM. .SUN NIGHT...SW winds around 5 kt. Waves 1 foot or less. .MON...S winds 5 to 10 kt. Gusts up to 20 kt in the afternoon. Waves around 2 ft. A chance of showers. .MON NIGHT...SW winds around 10 kt with gusts up to 20 kt. Waves around 2 ft. Showers likely. .TUE...SW winds around 10 kt with gusts up to 25 kt. Waves around 2 ft. .TUE NIGHT...SW winds 5 to 10 kt with gusts up to 20 kt. Waves 1 foot or less. .WED...SW winds 5 to 10 kt. Waves 1 foot or less. .WED NIGHT...W winds 5 to 10 kt. Waves 1 foot or less. A chance of showers. 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. $$ ANZ236-171300- Narragansett Bay- 716 PM EST Fri Feb 16 2018 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM EST SATURDAY... .TONIGHT...NW winds 10 to 15 kt with gusts up to 25 kt. Waves 2 to 3 ft. .SAT...N winds 5 to 10 kt, becoming SE in the afternoon. Waves around 2 ft. .SAT NIGHT...SE winds 5 to 10 kt, becoming NE after midnight. Waves around 2 ft. Snow and rain. Vsby 1 NM or less. .SUN...W winds 5 to 10 kt with gusts up to 20 kt. Waves around 2 ft. .SUN NIGHT...W winds around 5 kt, becoming S around 5 kt after midnight. Waves around 2 ft. .MON...S winds 5 to 10 kt. Gusts up to 20 kt in the afternoon. Waves around 2 ft. A chance of showers. .MON NIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Waves 2 to 3 ft. Showers likely. .TUE...SW winds 10 to 15 kt with gusts up to 25 kt. Waves 2 to 3 ft. .TUE NIGHT...SW winds 5 to 10 kt with gusts up to 20 kt. Waves 2 to 3 ft. .WED...SW winds 5 to 10 kt with gusts up to 20 kt. Waves 2 to 3 ft. .WED NIGHT...W winds 5 to 10 kt. Waves 2 to 3 ft. A chance of showers. Vsby 1 to 3 NM. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ 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.