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 180516 CWFBOX Coastal Waters Forecast National Weather Service Taunton MA 116 AM EDT Wed Oct 18 2017 COASTAL WATERS FROM THE MERRIMACK RIVER MA TO WATCH HILL RI OUT TO 25 NM ANZ200-181800- 116 AM EDT Wed Oct 18 2017 .Synopsis for Massachusetts and Rhode Island coastal waters... Large high pressure will remain anchored south of New England through next weekend. A cold front is expected to cross the region early Fri. 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. $$ ANZ250-181800- Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- 116 AM EDT Wed Oct 18 2017 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 AM EDT THIS MORNING... .REST OF TONIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 6 ft. .WED...W winds 10 to 15 kt with gusts up to 20 kt, becoming SW 5 to 10 kt in the afternoon. Seas 2 to 4 ft. .WED NIGHT...SW winds 5 to 10 kt. Seas 2 to 4 ft. .THU...S winds 10 to 15 kt. Gusts up to 25 kt in the afternoon. Seas 3 to 5 ft. .THU NIGHT...SW winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to 6 ft. .FRI...NW winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 5 ft. .FRI NIGHT...NW winds 5 to 10 kt. Seas 2 to 4 ft. .SAT...W winds 5 to 10 kt. Seas 2 to 3 ft. .SAT NIGHT...SW winds 5 to 10 kt. Seas 2 to 4 ft. .SUN...SW winds 10 to 15 kt. Seas 2 to 4 ft. .SUN NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ251-181800- Massachusetts Bay and Ipswich Bay- 116 AM EDT Wed Oct 18 2017 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 AM EDT THIS MORNING... .REST OF TONIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. .WED...W winds 10 to 15 kt with gusts up to 20 kt, becoming SW 5 to 10 kt in the afternoon. Seas 2 to 4 ft. .WED NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. .THU...SW 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. .THU NIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. .FRI...NW winds 10 to 15 kt, diminishing to 5 to 10 kt in the afternoon. Gusts up to 20 kt. Seas 2 to 3 ft. .FRI NIGHT...NW winds 5 to 10 kt. Seas 2 to 3 ft. .SAT...W winds 5 to 10 kt. Seas 2 to 3 ft. .SAT NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. .SUN...SW winds 5 to 10 kt. Seas 2 to 3 ft. .SUN 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. $$ ANZ231-181800- Cape Cod Bay- 116 AM EDT Wed Oct 18 2017 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 AM EDT THIS MORNING... .REST OF TONIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .WED...W winds 10 to 15 kt with gusts up to 20 kt, becoming SW 5 to 10 kt in the afternoon. Seas 2 to 3 ft. .WED NIGHT...SW winds around 5 kt. Seas 1 foot or less. .THU...S winds 5 to 10 kt, becoming SW 10 to 15 kt with gusts up to 25 kt in the afternoon. Seas 2 to 4 ft. .THU NIGHT...SW winds 10 to 15 kt, becoming W 5 to 10 kt after midnight. Gusts up to 25 kt. Seas 2 to 4 ft. .FRI...NW winds 10 to 15 kt, diminishing to 5 to 10 kt in the afternoon. Gusts up to 20 kt. Seas around 2 ft. .FRI NIGHT...NW winds 5 to 10 kt. Seas around 2 ft. .SAT...W winds 5 to 10 kt. Seas around 2 ft. .SAT NIGHT...SW winds 5 to 10 kt. Seas 1 foot or less. .SUN...SW winds 5 to 10 kt. Seas 1 foot or less. .SUN NIGHT...SW winds around 10 kt. Seas 1 foot or less. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ254-181800- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm- 116 AM EDT Wed Oct 18 2017 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 AM EDT THIS MORNING... .REST OF TONIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. .WED...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. .WED NIGHT...SW winds 5 to 10 kt. Seas 2 to 4 ft. .THU...S winds 5 to 10 kt, becoming SW 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 3 to 5 ft. .THU NIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 5 ft. .FRI...NW winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 5 ft. .FRI NIGHT...NW winds 5 to 10 kt. Seas 2 to 4 ft. .SAT...W winds around 5 kt. Seas 2 to 4 ft. .SAT NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. .SUN...SW winds 5 to 10 kt. Seas 2 to 3 ft. .SUN NIGHT...SW winds around 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. $$ ANZ255-181800- Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- 116 AM EDT Wed Oct 18 2017 .REST OF TONIGHT...W winds around 10 kt with gusts up to 20 kt. Seas 2 to 4 ft. .WED...W winds 10 to 15 kt. Gusts up to 20 kt in the morning. Seas 3 to 4 ft. .WED NIGHT...SW winds 5 to 10 kt. Seas 2 to 4 ft. .THU...SW winds 5 to 10 kt. Gusts up to 20 kt in the afternoon. Seas 3 to 4 ft. .THU NIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 5 ft. .FRI...NW winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt in the afternoon. Seas 3 to 5 ft. .FRI NIGHT...NW winds 5 to 10 kt. Seas 2 to 4 ft. .SAT...W winds around 5 kt. Seas 2 to 3 ft. .SAT NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. .SUN...S winds 5 to 10 kt. Seas 2 to 3 ft. .SUN NIGHT...SW winds around 10 kt. Seas 2 to 3 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ256-181800- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 116 AM EDT Wed Oct 18 2017 .REST OF TONIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft. .WED...W winds 10 to 15 kt. Gusts up to 20 kt in the morning. Seas around 4 ft. .WED NIGHT...SW winds 5 to 10 kt. Seas around 4 ft. .THU...SW winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 3 to 5 ft. .THU NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. .FRI...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. .FRI NIGHT...N winds 5 to 10 kt. Seas 2 to 4 ft. .SAT...W winds around 5 kt. Seas 2 to 3 ft. .SAT NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. .SUN...S winds 5 to 10 kt. Seas 2 to 3 ft. .SUN NIGHT...SW winds around 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. $$ ANZ232-181800- Nantucket Sound- 116 AM EDT Wed Oct 18 2017 .REST OF TONIGHT...W winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 3 ft. .WED...W winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt in the afternoon. Seas 2 to 3 ft. .WED NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. .THU...SW winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 25 kt in the afternoon. Seas 2 to 3 ft. .THU NIGHT...SW winds 10 to 15 kt, becoming W 5 to 10 kt after midnight. Gusts up to 25 kt. Seas 2 to 4 ft. .FRI...NW winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 3 ft. .FRI NIGHT...NW winds around 5 kt. Seas around 2 ft. .SAT...W winds around 5 kt. Seas 1 foot or less. .SAT NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. .SUN...SW winds 5 to 10 kt. Seas around 2 ft. .SUN NIGHT...SW winds around 10 kt. Seas around 2 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ233-181800- Vineyard Sound- 116 AM EDT Wed Oct 18 2017 .REST OF TONIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .WED...W winds 10 to 15 kt. Gusts up to 20 kt in the morning. Seas 2 to 3 ft. .WED NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. .THU...SW winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 25 kt in the afternoon. Seas 2 to 4 ft. .THU NIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. .FRI...NW 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. .FRI NIGHT...NW winds 5 to 10 kt. Seas around 2 ft. .SAT...W winds 5 to 10 kt. Seas 1 foot or less. .SAT NIGHT...SW winds 5 to 10 kt. Seas 1 foot or less. .SUN...SW winds 5 to 10 kt. Seas 1 foot or less. .SUN 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. $$ ANZ234-181800- Buzzards Bay- 116 AM EDT Wed Oct 18 2017 .REST OF TONIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .WED...W winds 10 to 15 kt with gusts up to 20 kt, becoming SW 5 to 10 kt in the afternoon. Seas 2 to 3 ft. .WED NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. .THU...SW winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 25 kt in the afternoon. Seas 2 to 4 ft. .THU NIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. .FRI...NW winds 5 to 10 kt. Gusts up to 20 kt in the morning. Seas 2 to 3 ft. .FRI NIGHT...NW winds 5 to 10 kt. Seas 1 foot or less. .SAT...W winds around 5 kt. Seas 1 foot or less. .SAT NIGHT...SW winds 5 to 10 kt. Seas 1 foot or less. .SUN...SW winds 5 to 10 kt. Seas 1 foot or less. .SUN NIGHT...SW winds 5 to 10 kt. Seas 1 foot or less. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ235-181800- Rhode Island Sound- 116 AM EDT Wed Oct 18 2017 .REST OF TONIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. .WED...W winds 10 to 15 kt. Gusts up to 20 kt in the morning. Seas 2 to 4 ft. .WED NIGHT...SW winds 5 to 10 kt. Seas 2 to 4 ft. .THU...SW winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 25 kt in the afternoon. Seas 2 to 4 ft. .THU NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. .FRI...NW winds 10 to 15 kt. Gusts up to 20 kt in the morning. Seas 2 to 4 ft. .FRI NIGHT...NW winds 5 to 10 kt. Seas 2 to 3 ft. .SAT...W winds 5 to 10 kt. Seas 2 to 3 ft. .SAT NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. .SUN...SW winds 5 to 10 kt. Seas 2 to 3 ft. .SUN 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. $$ ANZ237-181800- Block Island Sound- 116 AM EDT Wed Oct 18 2017 .REST OF TONIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. .WED...W winds around 10 kt. Seas 2 to 4 ft. .WED NIGHT...SW winds 5 to 10 kt. Seas 2 to 4 ft. .THU...SW winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 2 to 4 ft. .THU NIGHT...SW winds 15 to 20 kt, becoming W 10 to 15 kt after midnight. Gusts up to 25 kt. Seas 3 to 5 ft. .FRI...NW winds 10 to 15 kt. Gusts up to 20 kt in the morning. Seas 2 to 4 ft. .FRI NIGHT...N winds 5 to 10 kt. Seas 2 to 3 ft. .SAT...W winds around 5 kt. Seas 2 to 3 ft. .SAT NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. .SUN...SW winds 5 to 10 kt. Seas around 2 ft. .SUN NIGHT...SW winds around 10 kt. Seas around 2 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ230-181800- Boston Harbor- 116 AM EDT Wed Oct 18 2017 .REST OF TONIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Waves around 2 ft. .WED...W winds 10 to 15 kt, becoming SW 5 to 10 kt in the afternoon. Waves around 2 ft. .WED NIGHT...SW winds around 5 kt. Waves 1 foot or less. .THU...SW winds 5 to 10 kt. Gusts up to 20 kt in the afternoon. Waves around 2 ft. .THU NIGHT...SW winds around 10 kt with gusts up to 20 kt. Waves around 2 ft. .FRI...NW winds 5 to 10 kt. Gusts up to 20 kt in the morning. Waves 1 foot or less. .FRI NIGHT...NW winds 5 to 10 kt. Waves 1 foot or less. .SAT...W winds around 5 kt. Waves 1 foot or less. .SAT NIGHT...SW winds around 5 kt. Waves 1 foot or less. .SUN...SW winds 5 to 10 kt. Waves 1 foot or less. .SUN 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. $$ ANZ236-181800- Narragansett Bay- 116 AM EDT Wed Oct 18 2017 .REST OF TONIGHT...SW winds 5 to 10 kt. Waves 2 to 3 ft. .WED...SW winds 5 to 10 kt. Waves 2 to 3 ft. .WED NIGHT...SW winds 5 to 10 kt. Waves 2 to 3 ft. .THU...SW winds 5 to 10 kt. Gusts up to 20 kt in the afternoon. Waves 2 to 3 ft. .THU NIGHT...SW winds 10 to 15 kt, becoming W 5 to 10 kt after midnight. Gusts up to 20 kt. Waves 2 to 3 ft. .FRI...NW winds 5 to 10 kt. Waves 2 to 3 ft. .FRI NIGHT...NW winds around 5 kt. Waves around 2 ft. .SAT...W winds around 5 kt. Waves around 2 ft. .SAT NIGHT...SW winds around 5 kt. Waves around 2 ft. .SUN...SW winds 5 to 10 kt. Waves around 2 ft. .SUN NIGHT...SW winds 5 to 10 kt. Waves around 2 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ 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.