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 230602 CWFBOX Coastal Waters Forecast National Weather Service Taunton MA 202 AM EDT Wed Aug 23 2017 COASTAL WATERS FROM THE MERRIMACK RIVER MA TO WATCH HILL RI OUT TO 25 NM ANZ200-231915- 202 AM EDT Wed Aug 23 2017 .Synopsis for Massachusetts and Rhode Island coastal waters... A cold front will push southeast across the waters through this evening. Large high pres will then build in from the west Thu and remain in control through the weekend. 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. $$ ANZ250-231915- Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- 202 AM EDT Wed Aug 23 2017 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL NOON EDT TODAY... .REST OF TONIGHT...SW winds 15 to 20 kt with gusts up to 30 kt. Seas 5 to 8 ft. A slight chance of showers. .WED...SW winds 10 to 15 kt with gusts up to 25 kt, diminishing to 5 to 10 kt in the afternoon. Seas 3 to 5 ft. .WED NIGHT...W winds 5 to 10 kt. Gusts up to 20 kt after midnight. Seas 2 to 4 ft. .THU...NW winds 5 to 10 kt, becoming SE in the afternoon. Seas 2 to 4 ft. .THU NIGHT...S winds 5 to 10 kt, becoming NW after midnight. Seas 2 to 3 ft. .FRI...NE winds 5 to 10 kt. Seas 2 to 3 ft. .FRI NIGHT...SW winds 5 to 10 kt, becoming NW after midnight. Seas around 2 ft. .SAT...N winds 5 to 10 kt. Seas 1 foot or less. .SAT NIGHT...W winds 5 to 10 kt. Seas 1 foot or less. .SUN...NE winds 5 to 10 kt. Seas around 2 ft. .SUN NIGHT...NE winds 5 to 10 kt. Seas 1 foot or less. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ251-231915- Massachusetts Bay and Ipswich Bay- 202 AM EDT Wed Aug 23 2017 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 AM EDT THIS MORNING... .REST OF TONIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 5 ft. A chance of showers. .WED...SW winds 10 to 15 kt, diminishing to 5 to 10 kt in the afternoon. Gusts up to 20 kt. Seas 2 to 4 ft. .WED NIGHT...W winds 5 to 10 kt. Gusts up to 20 kt after midnight. Seas around 2 ft. .THU...NW winds 5 to 10 kt, becoming S in the afternoon. Seas around 2 ft. .THU NIGHT...S winds around 5 kt, becoming NW after midnight. Seas 1 foot or less. .FRI...NE winds 5 to 10 kt. Seas 1 foot or less. .FRI NIGHT...SW winds 5 to 10 kt, becoming NW after midnight. Seas 1 foot or less. .SAT...N winds 5 to 10 kt. Seas 1 foot or less. .SAT NIGHT...W winds around 5 kt. Seas 1 foot or less. .SUN...NE winds 5 to 10 kt. Seas 1 foot or less. .SUN NIGHT...NE 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. $$ ANZ231-231915- Cape Cod Bay- 202 AM EDT Wed Aug 23 2017 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL NOON EDT TODAY... .REST OF TONIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. Patchy fog. A chance of showers with a slight chance of tstms. .WED...SW winds 10 to 15 kt with gusts up to 20 kt, diminishing to around 5 kt in the afternoon. Seas 2 to 3 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM. .WED NIGHT...NW winds around 5 kt. Seas 1 foot or less. .THU...NW winds around 5 kt, becoming NE in the afternoon. Seas 1 foot or less. .THU NIGHT...S winds around 5 kt, becoming NW after midnight. Seas 1 foot or less. .FRI...N winds 5 to 10 kt. Seas 1 foot or less. .FRI NIGHT...E winds 5 to 10 kt, becoming NW after midnight. Seas 1 foot or less. .SAT...N winds 5 to 10 kt. Seas 1 foot or less. .SAT NIGHT...SW winds around 5 kt. Seas 1 foot or less. .SUN...NE winds 5 to 10 kt. Seas 1 foot or less. .SUN NIGHT...NE winds 5 to 10 kt. Seas 1 foot or less. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ254-231915- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm- 202 AM EDT Wed Aug 23 2017 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON... .REST OF TONIGHT...SW winds 15 to 20 kt with gusts up to 30 kt. Seas 5 to 8 ft. Patchy fog. A chance of showers with a slight chance of tstms. Vsby 1 to 3 NM. .WED...SW winds 10 to 15 kt with gusts up to 25 kt, diminishing to 5 to 10 kt in the afternoon. Seas 4 to 7 ft. Patchy fog. Showers likely. Vsby 1 to 3 NM. .WED NIGHT...SW winds 5 to 10 kt, becoming NW with gusts up to 20 kt after midnight. Seas 2 to 4 ft. Patchy fog. Vsby 1 to 3 NM. .THU...N winds 5 to 10 kt. Seas 2 to 4 ft. .THU NIGHT...S winds around 5 kt, becoming W after midnight. Seas 2 to 3 ft. .FRI...N winds 5 to 10 kt. Seas 2 to 3 ft. .FRI NIGHT...N winds 5 to 10 kt, becoming NW after midnight. Seas around 2 ft. .SAT...N winds 5 to 10 kt. Seas around 2 ft. .SAT NIGHT...SW winds 5 to 10 kt. Seas 1 foot or less. .SUN...NE winds 5 to 10 kt. Seas around 2 ft. .SUN NIGHT...NE winds 5 to 10 kt. Seas 1 foot or less. Winds and seas higher in and near tstms. 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. $$ ANZ255-231915- Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- 202 AM EDT Wed Aug 23 2017 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON... .REST OF TONIGHT...SW winds 15 to 20 kt with gusts up to 30 kt. Seas 7 to 9 ft. Patchy fog. A chance of showers with a slight chance of tstms. Vsby 1 to 3 NM. .WED...SW winds 10 to 15 kt, diminishing to 5 to 10 kt in the afternoon. Gusts up to 25 kt. Seas 5 to 8 ft. Patchy fog. Showers likely. Vsby 1 to 3 NM. .WED NIGHT...W winds 5 to 10 kt, becoming NW with gusts up to 20 kt after midnight. Seas 3 to 5 ft. Patchy fog. Vsby 1 to 3 NM. .THU...NW winds 5 to 10 kt. Seas 2 to 4 ft. .THU NIGHT...SW winds 5 to 10 kt, becoming NW after midnight. Seas 2 to 3 ft. .FRI...N winds 5 to 10 kt. Seas around 2 ft. .FRI NIGHT...NW winds 5 to 10 kt. Seas around 2 ft. .SAT...N winds 5 to 10 kt. Seas around 2 ft. .SAT NIGHT...S winds 5 to 10 kt. Seas 1 foot or less. .SUN...NE winds 5 to 10 kt. Seas 1 foot or less. .SUN NIGHT...NE winds 5 to 10 kt. Seas around 2 ft. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ256-231915- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 202 AM EDT Wed Aug 23 2017 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON... .REST OF TONIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 7 to 9 ft. Patchy fog. A chance of showers with a slight chance of tstms. Vsby 1 to 3 NM. .WED...SW winds 10 to 15 kt, diminishing to 5 to 10 kt in the afternoon. Gusts up to 20 kt. Seas 4 to 7 ft. Patchy fog. Showers likely. Vsby 1 to 3 NM. .WED NIGHT...W winds 5 to 10 kt, becoming N with gusts up to 20 kt after midnight. Seas 3 to 4 ft. .THU...N winds 5 to 10 kt, becoming W in the afternoon. Seas 2 to 4 ft. .THU NIGHT...W winds 5 to 10 kt, becoming NW after midnight. Seas 2 to 3 ft. .FRI...N winds 5 to 10 kt. Seas 2 to 3 ft. .FRI NIGHT...NW winds 5 to 10 kt. Seas around 2 ft. .SAT...NW winds 5 to 10 kt. Seas around 2 ft. .SAT NIGHT...SE winds 5 to 10 kt. Seas 1 foot or less. .SUN...NE winds 5 to 10 kt. Seas 1 foot or less. .SUN NIGHT...NE winds 5 to 10 kt. Seas around 2 ft. Winds and seas higher in and near tstms. 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. $$ ANZ232-231915- Nantucket Sound- 202 AM EDT Wed Aug 23 2017 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL NOON EDT TODAY... .REST OF TONIGHT...SW winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to 5 ft. Patchy fog. A chance of showers with a slight chance of tstms. Vsby 1 to 3 NM. .WED...SW winds 10 to 15 kt, diminishing to 5 to 10 kt in the afternoon. Gusts up to 25 kt. Seas 2 to 4 ft. Patchy fog. Showers likely. Vsby 1 to 3 NM. .WED NIGHT...W winds 5 to 10 kt, becoming NW with gusts up to 20 kt after midnight. Seas around 2 ft. Patchy fog. Vsby 1 to 3 NM. .THU...NW winds 5 to 10 kt, becoming W in the afternoon. Seas 1 foot or less. .THU NIGHT...SW winds 5 to 10 kt, becoming NW after midnight. Seas 1 foot or less. .FRI...N winds 5 to 10 kt. Seas 1 foot or less. .FRI NIGHT...N winds 5 to 10 kt. Seas 1 foot or less. .SAT...N winds 5 to 10 kt. Seas 1 foot or less. .SAT NIGHT...SW winds 5 to 10 kt. Seas 1 foot or less. .SUN...NE winds 5 to 10 kt. Seas 1 foot or less. .SUN NIGHT...NE winds 5 to 10 kt. Seas 1 foot or less. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ233-231915- Vineyard Sound- 202 AM EDT Wed Aug 23 2017 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL NOON EDT TODAY... .REST OF TONIGHT...SW winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to 5 ft. Patchy fog. A chance of showers with a slight chance of tstms. Vsby 1 to 3 NM. .WED...SW winds 10 to 15 kt, diminishing to 5 to 10 kt in the afternoon. Gusts up to 25 kt. Seas 2 to 4 ft. Patchy fog. Showers likely. Vsby 1 to 3 NM. .WED NIGHT...W winds 5 to 10 kt, becoming NW with gusts up to 20 kt after midnight. Seas 2 to 3 ft. .THU...NW winds 5 to 10 kt, becoming SW in the afternoon. Seas 1 foot or less. .THU NIGHT...W winds 5 to 10 kt, becoming NW after midnight. Seas 1 foot or less. .FRI...NE winds 5 to 10 kt. Seas 1 foot or less. .FRI NIGHT...NW winds 5 to 10 kt. Seas 1 foot or less. .SAT...N winds 5 to 10 kt. Seas 1 foot or less. .SAT NIGHT...SW winds 5 to 10 kt. Seas 1 foot or less. .SUN...NE winds 5 to 10 kt. Seas 1 foot or less. .SUN NIGHT...NE winds 5 to 10 kt. Seas 1 foot or less. Winds and seas higher in and near tstms. 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. $$ ANZ234-231915- Buzzards Bay- 202 AM EDT Wed Aug 23 2017 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL NOON EDT TODAY... .REST OF TONIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. Patchy fog. A chance of showers with a slight chance of tstms. .WED...SW winds 10 to 15 kt, diminishing to 5 to 10 kt in the afternoon. Gusts up to 20 kt. Seas 2 to 4 ft. Patchy fog. Showers likely. Vsby 1 to 3 NM. .WED NIGHT...W winds 5 to 10 kt, becoming NW after midnight. Seas around 2 ft. .THU...NW winds around 5 kt, becoming SW in the afternoon. Seas 1 foot or less. .THU NIGHT...SW winds 5 to 10 kt, becoming NW after midnight. Seas 1 foot or less. .FRI...N winds 5 to 10 kt. Seas 1 foot or less. .FRI NIGHT...SW winds 5 to 10 kt, becoming NW after midnight. Seas 1 foot or less. .SAT...N winds 5 to 10 kt. Seas 1 foot or less. .SAT NIGHT...SW winds around 5 kt. Seas 1 foot or less. .SUN...NE winds 5 to 10 kt. Seas 1 foot or less. .SUN NIGHT...NE winds 5 to 10 kt. Seas 1 foot or less. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ235-231915- Rhode Island Sound- 202 AM EDT Wed Aug 23 2017 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 PM EDT THIS AFTERNOON... .REST OF TONIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 6 to 9 ft. Patchy fog. A chance of showers with a slight chance of tstms. .WED...SW winds 10 to 15 kt, diminishing to 5 to 10 kt in the afternoon. Gusts up to 20 kt. Seas 4 to 6 ft. Patchy fog. Showers likely. Vsby 1 to 3 NM. .WED NIGHT...W winds 5 to 10 kt, becoming NW with gusts up to 20 kt after midnight. Seas 2 to 4 ft. .THU...NW winds 5 to 10 kt, becoming SW in the afternoon. Seas 2 to 3 ft. .THU NIGHT...W winds 5 to 10 kt, becoming NW after midnight. Seas around 2 ft. .FRI...N winds 5 to 10 kt. Seas around 2 ft. .FRI NIGHT...W winds 5 to 10 kt, becoming N after midnight. Seas 1 foot or less. .SAT...NW winds 5 to 10 kt. Seas 1 foot or less. .SAT NIGHT...S winds 5 to 10 kt. Seas 1 foot or less. .SUN...NE winds 5 to 10 kt. Seas 1 foot or less. .SUN NIGHT...NE winds 5 to 10 kt. Seas 1 foot or less. Winds and seas higher in and near tstms. 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. $$ ANZ237-231915- Block Island Sound- 202 AM EDT Wed Aug 23 2017 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 PM EDT THIS AFTERNOON... .REST OF TONIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 7 ft. Patchy fog. A chance of showers. .WED...SW winds 10 to 15 kt, diminishing to 5 to 10 kt in the afternoon. Gusts up to 20 kt. Seas 3 to 5 ft. Patchy fog. Showers likely. Vsby 1 to 3 NM. .WED NIGHT...W winds 5 to 10 kt, becoming N with gusts up to 20 kt after midnight. Seas 2 to 4 ft. .THU...NW winds around 5 kt, becoming SW in the afternoon. Seas 2 to 3 ft. .THU NIGHT...W winds 5 to 10 kt, becoming N after midnight. Seas around 2 ft. .FRI...NW winds 5 to 10 kt. Seas around 2 ft. .FRI NIGHT...W winds 5 to 10 kt, becoming N after midnight. Seas 1 foot or less. .SAT...W winds 5 to 10 kt. Seas 1 foot or less. .SAT NIGHT...W winds 5 to 10 kt. Seas 1 foot or less. .SUN...E winds 5 to 10 kt. Seas 1 foot or less. .SUN NIGHT...E winds 5 to 10 kt. Seas 1 foot or less. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ230-231915- Boston Harbor- 202 AM EDT Wed Aug 23 2017 .REST OF TONIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Waves around 2 ft. Showers. .WED...W winds around 10 kt with gusts up to 20 kt. Waves around 2 ft. .WED NIGHT...W winds 5 to 10 kt. Waves 1 foot or less. .THU...NW winds around 5 kt, becoming SW in the afternoon. Waves 1 foot or less. .THU NIGHT...NE winds around 5 kt, becoming N around 5 kt after midnight. Waves 1 foot or less. .FRI...N winds around 5 kt. Waves 1 foot or less. .FRI NIGHT...S winds around 5 kt, becoming NW after midnight. Waves 1 foot or less. .SAT...N winds around 5 kt. Waves 1 foot or less. .SAT NIGHT...N winds around 5 kt. Waves 1 foot or less. .SUN...NE winds around 5 kt. Waves 1 foot or less. .SUN NIGHT...NE winds around 5 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. $$ ANZ236-231915- Narragansett Bay- 202 AM EDT Wed Aug 23 2017 .REST OF TONIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Waves 2 to 4 ft, except 4 to 7 ft at the bay entrance. Patchy fog. Showers likely. .WED...W winds 5 to 10 kt with gusts up to 20 kt. Waves 2 to 4 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM. .WED NIGHT...NW winds around 5 kt. Waves around 2 ft. .THU...NW winds around 5 kt, becoming W in the afternoon. Waves around 2 ft. .THU NIGHT...W winds around 5 kt, becoming NW after midnight. Waves 1 foot or less. .FRI...N winds around 5 kt. Waves 1 foot or less. .FRI NIGHT...NW winds around 5 kt. Waves 1 foot or less. .SAT...NW winds around 5 kt. Waves 1 foot or less. .SAT NIGHT...NE winds around 5 kt. Waves 1 foot or less. .SUN...NE winds around 5 kt. Waves 1 foot or less. .SUN NIGHT...NE winds around 5 kt. Waves 1 foot or less. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ 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.