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 120516 CWFBOX Coastal Waters Forecast National Weather Service Taunton MA 116 AM EDT Thu Oct 12 2017 COASTAL WATERS FROM THE MERRIMACK RIVER MA TO WATCH HILL RI OUT TO 25 NM ANZ200-121800- 116 AM EDT Thu Oct 12 2017 .Synopsis for Massachusetts and Rhode Island coastal waters... Large high pressure will slowly move N of the waters through Fri, then will shift E of Nova Scotia this weekend. Gale force winds are possible Monday, where Gale warnings may be needed for portions of the waters. 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. $$ ANZ250-121800- Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- 116 AM EDT Thu Oct 12 2017 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON... .REST OF TONIGHT...NE winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 5 ft. .THU...NE winds 15 to 20 kt, diminishing to 10 to 15 kt in the afternoon. Gusts up to 25 kt. Seas 3 to 5 ft. .THU NIGHT...E winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. .FRI...SE winds 10 to 15 kt. Gusts up to 20 kt in the morning. Seas 2 to 4 ft. .FRI NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. .SAT...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. A chance of showers. .SAT NIGHT...SW winds 5 to 10 kt. Seas 2 to 4 ft. Patchy fog. Vsby 1 to 3 NM. .SUN...SW winds 10 to 15 kt with gusts up to 30 kt. Seas 3 to 5 ft. .SUN NIGHT...SW winds 15 to 20 kt with gusts up to 35 kt. Seas 5 to 8 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM. .MON...W winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to 6 ft. A chance of showers. Vsby 1 to 3 NM. .MON NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ251-121800- Massachusetts Bay and Ipswich Bay- 116 AM EDT Thu Oct 12 2017 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON... .REST OF TONIGHT...NE winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. A slight chance of showers. .THU...NE winds 15 to 20 kt, diminishing to 10 to 15 kt in the afternoon. Gusts up to 25 kt. Seas 3 to 5 ft. .THU NIGHT...E winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. .FRI...E 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. .FRI NIGHT...S winds 5 to 10 kt. Gusts up to 20 kt in the evening. Seas 2 to 3 ft. .SAT...S winds 5 to 10 kt. Gusts up to 20 kt in the morning. Seas 2 to 3 ft. A chance of showers. .SAT NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. .SUN...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. .SUN NIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 5 ft. A chance of showers. Vsby 1 to 3 NM. .MON...W 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. .MON NIGHT...NW 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. $$ ANZ231-121800- Cape Cod Bay- 116 AM EDT Thu Oct 12 2017 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON... .REST OF TONIGHT...NE winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. A slight chance of showers. .THU...NE winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. .THU NIGHT...E winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .FRI...E winds 10 to 15 kt with gusts up to 20 kt, becoming SE 5 to 10 kt in the afternoon. Seas 2 to 3 ft. .FRI NIGHT...S winds 5 to 10 kt. Seas 1 foot or less. .SAT...S winds 5 to 10 kt with gusts up to 20 kt. Seas around 2 ft. A chance of showers. .SAT NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM. .SUN...SW winds 10 to 15 kt with gusts up to 30 kt. Seas 2 to 4 ft. Patchy fog. Vsby 1 to 3 NM. .SUN NIGHT...SW winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to 5 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM. .MON...W winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM. .MON NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ254-121800- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm- 116 AM EDT Thu Oct 12 2017 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT... .REST OF TONIGHT...NE winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 6 ft. .THU...NE winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to 7 ft. .THU NIGHT...E winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 6 ft. .FRI...E winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. .FRI NIGHT...SE winds 5 to 10 kt. Gusts up to 20 kt after midnight. Seas 3 to 4 ft. .SAT...S winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 5 ft. A chance of showers. .SAT NIGHT...SW winds 5 to 10 kt. Seas 3 to 5 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM. .SUN...SW winds 10 to 15 kt with gusts up to 30 kt. Seas 4 to 6 ft. Patchy fog. Vsby 1 to 3 NM. .SUN NIGHT...SW winds 15 to 20 kt with gusts up to 35 kt. Seas 6 to 9 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM. .MON...W winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to 7 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM. .MON NIGHT...NW winds 10 to 15 kt with gusts up to 20 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. $$ ANZ255-121800- Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- 116 AM EDT Thu Oct 12 2017 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT... .REST OF TONIGHT...NE winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 6 ft. A slight chance of showers. .THU...NE winds 20 to 25 kt with gusts up to 30 kt. Seas 4 to 6 ft. .THU NIGHT...E winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 6 ft. .FRI...E winds 15 to 20 kt, diminishing to 10 to 15 kt in the afternoon. Gusts up to 25 kt. Seas 3 to 5 ft. .FRI NIGHT...SE winds 5 to 10 kt with gusts up to 20 kt. Seas 3 to 4 ft. .SAT...S winds 5 to 10 kt with gusts up to 25 kt. Seas 3 to 5 ft. A chance of showers. .SAT NIGHT...SW winds 5 to 10 kt. Seas 3 to 5 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM. .SUN...SW winds 10 to 15 kt with gusts up to 30 kt. Seas 4 to 6 ft. Patchy fog. Vsby 1 to 3 NM. .SUN NIGHT...SW winds 15 to 20 kt with gusts up to 35 kt. Seas 7 to 10 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM. .MON...W winds 15 to 20 kt with gusts up to 25 kt. Seas 5 to 8 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM. .MON NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ256-121800- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 116 AM EDT Thu Oct 12 2017 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT... .REST OF TONIGHT...NE winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to 7 ft. A slight chance of showers. .THU...NE winds 20 to 25 kt with gusts up to 30 kt. Seas 5 to 7 ft. .THU NIGHT...E winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to 7 ft. .FRI...E winds 15 to 20 kt, diminishing to 10 to 15 kt in the afternoon. Gusts up to 25 kt. Seas 4 to 6 ft. .FRI NIGHT...SE winds 10 to 15 kt, diminishing to 5 to 10 kt after midnight. Gusts up to 20 kt. Seas 4 to 6 ft. .SAT...S winds 10 to 15 kt, diminishing to 5 to 10 kt in the afternoon. Gusts up to 25 kt. Seas 4 to 6 ft. A chance of showers. .SAT NIGHT...SW winds 5 to 10 kt. Seas 4 to 5 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM. .SUN...SW winds 10 to 15 kt with gusts up to 30 kt. Seas 4 to 6 ft. Patchy fog. Vsby 1 to 3 NM. .SUN NIGHT...SW winds 20 to 25 kt with gusts up to 35 kt. Seas 7 to 10 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM. .MON...W winds 15 to 20 kt with gusts up to 25 kt. Seas 5 to 8 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM. .MON NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 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. $$ ANZ232-121800- Nantucket Sound- 116 AM EDT Thu Oct 12 2017 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... .REST OF TONIGHT...NE winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. A slight chance of showers. .THU...NE winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to 4 ft. .THU NIGHT...E winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. .FRI...E winds 10 to 15 kt. Gusts up to 20 kt in the morning. Seas 2 to 3 ft. .FRI NIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft. .SAT...S winds 5 to 10 kt with gusts up to 25 kt. Seas 2 to 3 ft. A chance of showers. .SAT NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM. .SUN...SW winds 10 to 15 kt with gusts up to 30 kt. Seas 2 to 3 ft. Patchy fog. Vsby 1 to 3 NM. .SUN NIGHT...SW winds 15 to 20 kt with gusts up to 35 kt. Seas 4 to 6 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM. .MON...W winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM. .MON NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ233-121800- Vineyard Sound- 116 AM EDT Thu Oct 12 2017 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... .REST OF TONIGHT...NE winds around 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. A slight chance of showers. .THU...NE winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. .THU NIGHT...E winds around 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. .FRI...E winds 10 to 15 kt. Gusts up to 20 kt in the morning. Seas around 2 ft. .FRI NIGHT...SE winds 5 to 10 kt. Gusts up to 20 kt after midnight. Seas 1 foot or less. .SAT...S winds 5 to 10 kt with gusts up to 25 kt. Seas 2 to 4 ft. A chance of showers. .SAT NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM. .SUN...SW winds 10 to 15 kt with gusts up to 30 kt. Seas 2 to 4 ft. Patchy fog. Vsby 1 to 3 NM. .SUN NIGHT...SW winds 15 to 20 kt with gusts up to 35 kt. Seas 4 to 7 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM. .MON...W winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM. .MON NIGHT...NW 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. $$ ANZ234-121800- Buzzards Bay- 116 AM EDT Thu Oct 12 2017 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... .REST OF TONIGHT...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. A slight chance of showers. .THU...NE winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. .THU NIGHT...E winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .FRI...E winds 10 to 15 kt with gusts up to 20 kt, becoming SE 5 to 10 kt in the afternoon. Seas 1 foot or less. .FRI NIGHT...SE winds 5 to 10 kt. Seas 1 foot or less. .SAT...S winds 5 to 10 kt with gusts up to 25 kt. Seas 2 to 4 ft. A chance of showers. .SAT NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM. .SUN...SW winds 10 to 15 kt with gusts up to 30 kt. Seas 2 to 4 ft. Patchy fog. Vsby 1 to 3 NM. .SUN NIGHT...SW winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to 5 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM. .MON...W winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM. .MON NIGHT...NW winds around 10 kt with gusts up to 20 kt. Seas around 2 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ235-121800- Rhode Island Sound- 116 AM EDT Thu Oct 12 2017 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT... .REST OF TONIGHT...NE winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. A slight chance of showers. .THU...NE winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to 5 ft. .THU NIGHT...NE winds 15 to 20 kt, becoming E 10 to 15 kt after midnight. Gusts up to 25 kt. Seas 3 to 5 ft. .FRI...E winds 10 to 15 kt. Gusts up to 20 kt in the morning. Seas 2 to 4 ft. .FRI NIGHT...SE winds 5 to 10 kt. Gusts up to 20 kt after midnight. Seas 2 to 4 ft. .SAT...S winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 5 ft. A chance of showers. .SAT NIGHT...SW winds 5 to 10 kt. Seas 3 to 5 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM. .SUN...SW winds 10 to 15 kt with gusts up to 30 kt. Seas 4 to 6 ft. Patchy fog. Vsby 1 to 3 NM. .SUN NIGHT...SW winds 15 to 20 kt with gusts up to 35 kt. Seas 5 to 8 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM. .MON...W winds 10 to 15 kt with gusts up to 25 kt. Seas 4 to 6 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM. .MON NIGHT...NW 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. $$ ANZ237-121800- Block Island Sound- 116 AM EDT Thu Oct 12 2017 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT... .REST OF TONIGHT...NE winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. A slight chance of showers. .THU...NE winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to 5 ft. .THU NIGHT...E winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. .FRI...E winds 10 to 15 kt. Gusts up to 25 kt in the morning. Seas 3 to 5 ft. .FRI NIGHT...SE winds 5 to 10 kt. Gusts up to 20 kt after midnight. Seas 2 to 4 ft. .SAT...S winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 5 ft. A chance of showers. .SAT NIGHT...SW winds 5 to 10 kt. Seas 3 to 5 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM. .SUN...SW winds 10 to 15 kt with gusts up to 30 kt. Seas 3 to 5 ft. Patchy fog. Vsby 1 to 3 NM. .SUN NIGHT...SW winds 15 to 20 kt with gusts up to 35 kt. Seas 5 to 8 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM. .MON...W winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 5 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM. .MON NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ230-121800- Boston Harbor- 116 AM EDT Thu Oct 12 2017 .REST OF TONIGHT...NE winds 10 to 15 kt with gusts up to 20 kt. Waves 2 to 3 ft. .THU...NE winds 10 to 15 kt with gusts up to 20 kt. Waves 2 to 3 ft. .THU NIGHT...E winds around 10 kt. Waves 2 to 3 ft. .FRI...SE winds 5 to 10 kt. Waves 1 foot or less. .FRI NIGHT...S winds 5 to 10 kt. Waves 1 foot or less. .SAT...S winds around 5 kt. Waves 1 foot or less. A chance of showers. .SAT NIGHT...SW winds around 5 kt. Waves 1 foot or less. .SUN...SW winds 5 to 10 kt with gusts up to 25 kt. Waves around 2 ft. .SUN NIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Waves around 2 ft. A chance of showers. .MON...W winds 5 to 10 kt with gusts up to 20 kt. Waves around 2 ft. A chance of showers. .MON NIGHT...NW 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. $$ ANZ236-121800- Narragansett Bay- 116 AM EDT Thu Oct 12 2017 .REST OF TONIGHT...NE winds 10 to 15 kt with gusts up to 20 kt. Waves 2 to 3 ft. A slight chance of showers. .THU...NE winds 10 to 15 kt with gusts up to 20 kt. Waves 2 to 3 ft. .THU NIGHT...NE winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt after midnight. Waves 2 to 3 ft. .FRI...E winds 5 to 10 kt. Waves 2 to 3 ft. .FRI NIGHT...SE winds 5 to 10 kt. Waves 2 to 3 ft. .SAT...S winds 5 to 10 kt with gusts up to 25 kt. Waves 2 to 3 ft. A chance of showers. .SAT NIGHT...SW winds around 5 kt. Waves 2 to 3 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM. .SUN...SW winds 10 to 15 kt with gusts up to 30 kt. Waves 2 to 4 ft. Patchy fog. Vsby 1 to 3 NM. .SUN NIGHT...SW winds 10 to 15 kt with gusts up to 30 kt. Waves 2 to 4 ft, except 4 to 7 ft at the bay entrance. Patchy fog. A chance of showers. Vsby 1 to 3 NM. .MON...W winds 10 to 15 kt with gusts up to 20 kt. Waves 2 to 4 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM. .MON NIGHT...NW winds 5 to 10 kt. Waves around 2 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ 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

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