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 131716 CWFBOX Coastal Waters Forecast National Weather Service Boston/Norton MA 116 PM EDT Fri Jul 13 2018 Coastal waters from the Merrimack River MA to Watch Hill RI out to 25 NM ANZ200-140600- 116 PM EDT Fri Jul 13 2018 .Synopsis for Massachusetts and Rhode Island coastal waters... Weak high pressure will remain over the waters through the weekend. A weak cold front approaching from the west late Sunday could bring thunderstorms to the near shore waters. High pressure returns for Monday and Tuesday. A cold front will approach from the Great Lakes Tuesday night into Wednesday. 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. $$ ANZ250-140600- Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- 116 PM EDT Fri Jul 13 2018 .THIS AFTERNOON...SE winds 5 to 10 kt. Seas 2 to 3 ft. .TONIGHT...SE winds 5 to 10 kt, diminishing to around 5 kt after midnight. Seas 2 to 3 ft. .SAT...SE winds 5 to 10 kt. Seas 2 to 3 ft. .SAT NIGHT...S winds 5 to 10 kt. Seas 2 to 4 ft. A chance of showers and tstms. .SUN...SE winds 5 to 10 kt. Seas 2 to 4 ft. .SUN NIGHT...E winds around 5 kt. Seas 2 to 3 ft. .MON...SE winds 5 to 10 kt. Seas 2 to 3 ft. .MON NIGHT...S winds around 10 kt. Seas 2 to 3 ft. .TUE...S winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. .TUE NIGHT...S winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 6 ft. Showers likely with a chance of tstms. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ251-140600- Massachusetts Bay and Ipswich Bay- 116 PM EDT Fri Jul 13 2018 .THIS AFTERNOON...SE winds 5 to 10 kt. Seas around 2 ft. .TONIGHT...SE winds 5 to 10 kt, diminishing to around 5 kt after midnight. Seas around 2 ft. .SAT...SE winds 5 to 10 kt. Seas around 2 ft. .SAT NIGHT...S winds 5 to 10 kt. Seas 2 to 4 ft. Patchy fog. A chance of showers and tstms. .SUN...S winds around 5 kt, becoming E around 5 kt in the afternoon. Seas 2 to 3 ft. Patchy fog. .SUN NIGHT...E winds around 5 kt. Seas 2 to 3 ft. .MON...E winds 5 to 10 kt. Seas around 2 ft. .MON NIGHT...S winds 5 to 10 kt. Seas around 2 ft. .TUE...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. A chance of showers. .TUE NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Showers likely with a chance of tstms. 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. $$ ANZ231-140600- Cape Cod Bay- 116 PM EDT Fri Jul 13 2018 .THIS AFTERNOON...SE winds 5 to 10 kt. Seas 1 foot or less. .TONIGHT...SE winds 5 to 10 kt, becoming E after midnight. Seas 1 foot or less. .SAT...E winds around 5 kt, becoming SE in the afternoon. Seas around 2 ft. .SAT NIGHT...S winds 5 to 10 kt. Seas around 2 ft. A chance of showers and tstms. .SUN...SE winds around 5 kt. Seas around 2 ft. .SUN NIGHT...SE winds around 5 kt. Seas 1 foot or less. .MON...SE winds 5 to 10 kt. Seas 1 foot or less. .MON NIGHT...S winds 5 to 10 kt. Seas around 2 ft. .TUE...S winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. .TUE NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Showers likely with a chance of tstms. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ254-140600- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm- 116 PM EDT Fri Jul 13 2018 .THIS AFTERNOON...E winds around 5 kt. Seas 2 to 3 ft. .TONIGHT...E winds around 5 kt. Seas 2 to 3 ft. .SAT...E winds around 5 kt. Seas 2 to 3 ft. .SAT NIGHT...S winds 5 to 10 kt. Seas 2 to 4 ft. .SUN...S winds 5 to 10 kt. Seas 3 to 5 ft. .SUN NIGHT...SW winds around 5 kt. Seas 2 to 4 ft. .MON...SE winds 5 to 10 kt. Seas 2 to 4 ft. .MON NIGHT...S winds 5 to 10 kt. Seas 2 to 4 ft. .TUE...S winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 5 ft. .TUE NIGHT...S winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 6 ft. Showers likely with a chance of tstms. 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. $$ ANZ255-140600- Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- 116 PM EDT Fri Jul 13 2018 .THIS AFTERNOON...E winds 5 to 10 kt. Seas 2 to 3 ft. .TONIGHT...NE winds around 5 kt. Seas 2 to 3 ft. .SAT...E winds 5 to 10 kt. Seas 2 to 3 ft. .SAT NIGHT...S winds 5 to 10 kt. Seas 2 to 4 ft. .SUN...SW winds 5 to 10 kt. Seas 3 to 5 ft. .SUN NIGHT...SW winds 5 to 10 kt. Seas 2 to 4 ft. .MON...SW winds 5 to 10 kt. Seas 2 to 4 ft. .MON NIGHT...SW winds 5 to 10 kt. Seas 2 to 4 ft. .TUE...S winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. .TUE NIGHT...S winds 15 to 20 kt. Seas 4 to 6 ft. Showers likely with a chance of tstms. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ256-140600- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 116 PM EDT Fri Jul 13 2018 .THIS AFTERNOON...SE winds 5 to 10 kt. Seas 2 to 3 ft. .TONIGHT...SE winds 5 to 10 kt, diminishing to around 5 kt after midnight. Seas 2 to 3 ft. .SAT...SE winds around 5 kt, becoming S in the afternoon. Seas 2 to 3 ft. .SAT NIGHT...SW winds 5 to 10 kt. Seas 3 to 5 ft. A chance of showers. .SUN...SW winds 5 to 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 4 to 5 ft. .SUN NIGHT...SW winds 5 to 10 kt. Seas 3 to 4 ft. .MON...SW winds 5 to 10 kt. Seas 3 to 4 ft. .MON NIGHT...SW winds 10 to 15 kt. Seas 3 to 4 ft. .TUE...S winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 6 ft. .TUE NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 6 ft. Showers likely with a chance of tstms. 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. $$ ANZ232-140600- Nantucket Sound- 116 PM EDT Fri Jul 13 2018 .THIS AFTERNOON...SE winds 5 to 10 kt. Seas 1 foot or less. .TONIGHT...E winds around 5 kt. Seas 1 foot or less. .SAT...E winds around 5 kt, becoming SE in the afternoon. Seas around 2 ft. .SAT NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers. .SUN...SW winds 5 to 10 kt. Seas 2 to 3 ft. .SUN NIGHT...SW winds 5 to 10 kt, becoming W after midnight. Seas 2 to 3 ft. .MON...SE winds 5 to 10 kt. Seas around 2 ft. .MON NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. .TUE...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. .TUE NIGHT...S winds 15 to 20 kt. Seas 2 to 4 ft. Showers likely with a chance of tstms. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ233-140600- Vineyard Sound- 116 PM EDT Fri Jul 13 2018 .THIS AFTERNOON...SE winds 5 to 10 kt. Seas around 2 ft. .TONIGHT...SE winds 5 to 10 kt, becoming E after midnight. Seas around 2 ft. .SAT...SE winds 5 to 10 kt. Seas 1 foot or less. .SAT NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers and tstms. .SUN...SW winds 5 to 10 kt. Seas 2 to 3 ft. .SUN NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. .MON...SE winds 5 to 10 kt. Seas around 2 ft. .MON NIGHT...SW winds around 10 kt. Seas 2 to 3 ft. .TUE...S winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. A chance of showers. .TUE NIGHT...SW winds around 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Showers likely with a chance of tstms. 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. $$ ANZ234-140600- Buzzards Bay- 116 PM EDT Fri Jul 13 2018 .THIS AFTERNOON...S winds 5 to 10 kt. Seas 1 foot or less. .TONIGHT...SE winds 5 to 10 kt, becoming E after midnight. Seas 1 foot or less. .SAT...SE winds around 5 kt, becoming S in the afternoon. Seas 1 foot or less. .SAT NIGHT...S winds 5 to 10 kt. Seas around 2 ft. A chance of showers and tstms. .SUN...SW winds 5 to 10 kt. Seas around 2 ft. .SUN NIGHT...SW winds 5 to 10 kt, becoming W after midnight. Seas around 2 ft. .MON...SE winds 5 to 10 kt. Seas around 2 ft. .MON NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. .TUE...S winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. A chance of showers. .TUE NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Showers likely with a chance of tstms. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ235-140600- Rhode Island Sound- 116 PM EDT Fri Jul 13 2018 .THIS AFTERNOON...SE winds 5 to 10 kt. Seas around 2 ft. .TONIGHT...SE winds 5 to 10 kt, diminishing to around 5 kt after midnight. Seas around 2 ft. .SAT...S winds 5 to 10 kt. Seas around 2 ft. .SAT NIGHT...S winds 5 to 10 kt. Seas 2 to 4 ft. A chance of showers and tstms. .SUN...SW winds 5 to 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 2 to 4 ft. A chance of showers and tstms. .SUN NIGHT...W winds 5 to 10 kt. Seas 2 to 4 ft. .MON...SE winds 5 to 10 kt. Seas 2 to 3 ft. .MON NIGHT...SW winds around 10 kt. Seas 2 to 4 ft. .TUE...S winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. A chance of showers. .TUE NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. Showers likely with a chance of tstms. 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. $$ ANZ237-140600- Block Island Sound- 116 PM EDT Fri Jul 13 2018 .THIS AFTERNOON...S winds 5 to 10 kt. Seas around 2 ft. .TONIGHT...S winds 5 to 10 kt, diminishing to around 5 kt after midnight. Seas around 2 ft. .SAT...S winds 5 to 10 kt. Seas around 2 ft. .SAT NIGHT...SW winds 5 to 10 kt. Seas 2 to 4 ft. A chance of showers and tstms. .SUN...SW winds 5 to 10 kt. Seas 2 to 4 ft. .SUN NIGHT...W winds 5 to 10 kt. Seas 2 to 4 ft. .MON...SE winds 5 to 10 kt. Seas 2 to 3 ft. .MON NIGHT...SW winds 5 to 10 kt. Seas 2 to 4 ft. .TUE...S winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. A chance of showers. .TUE NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. Showers likely with a chance of tstms. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ230-140600- Boston Harbor- 116 PM EDT Fri Jul 13 2018 .THIS AFTERNOON...SE winds around 10 kt. Waves 1 foot or less. .TONIGHT...SE winds 5 to 10 kt. Waves 1 foot or less. .SAT...SE winds 5 to 10 kt. Waves 1 foot or less. .SAT NIGHT...S winds 5 to 10 kt. Waves 1 foot or less. Patchy fog. A chance of showers and tstms. .SUN...W winds around 5 kt, becoming E around 5 kt in the afternoon. Waves 1 foot or less. .SUN NIGHT...SE winds around 5 kt, becoming NE around 5 kt after midnight. Waves 1 foot or less. .MON...E winds around 5 kt. Waves 1 foot or less. .MON NIGHT...S winds around 5 kt. Waves 1 foot or less. .TUE...S winds 5 to 10 kt with gusts up to 20 kt. Waves around 2 ft. A chance of showers. .TUE NIGHT...SW winds 5 to 10 kt with gusts up to 20 kt. Waves around 2 ft. Showers likely with a chance of tstms. Winds and waves 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. $$ ANZ236-140600- Narragansett Bay- 116 PM EDT Fri Jul 13 2018 .THIS AFTERNOON...S winds 5 to 10 kt. Waves 1 foot or less. .TONIGHT...S winds 5 to 10 kt, diminishing to around 5 kt after midnight. Waves 1 foot or less. .SAT...SE winds around 5 kt, becoming S in the afternoon. Waves 1 foot or less. .SAT NIGHT...S winds 5 to 10 kt. Waves 2 to 3 ft. Patchy fog. A chance of showers and tstms. .SUN...SW winds 5 to 10 kt. Waves 2 to 3 ft. Patchy fog. A chance of showers and tstms. .SUN NIGHT...SW winds 5 to 10 kt, becoming NW after midnight. Waves 2 to 3 ft. .MON...SE winds 5 to 10 kt. Waves around 2 ft. .MON NIGHT...SW winds 5 to 10 kt. Waves around 2 ft. .TUE...S winds 10 to 15 kt with gusts up to 20 kt. Waves 2 to 3 ft. A chance of showers. .TUE NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Waves 2 to 3 ft. Showers likely with a chance of tstms. Winds and waves higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ 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.