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 240810 CWFBOX Coastal Waters Forecast National Weather Service Taunton MA 410 AM EDT Mon Jul 24 2017 COASTAL WATERS FROM THE MERRIMACK RIVER MA TO WATCH HILL RI OUT TO 25 NM ANZ200-242115- 410 AM EDT Mon Jul 24 2017 .Synopsis for Massachusetts and Rhode Island coastal waters... A couple waves of low pres will track south of the waters today through Tue. High pres follows for Wed but will slide east of the waters by Thu. A cold front will then cross the waters sometime 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. $$ ANZ250-242115- Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- 410 AM EDT Mon Jul 24 2017 ...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM EDT THIS MORNING THROUGH LATE TUESDAY NIGHT... .TODAY...E winds 15 to 20 kt, increasing to 20 to 25 kt this afternoon. Gusts up to 30 kt. Seas 3 to 5 ft. Rain. Patchy fog this afternoon. Vsby 1 to 3 NM. .TONIGHT...NE winds 20 to 25 kt with gusts up to 30 kt. Seas 4 to 7 ft. A chance of showers. .TUE...N winds 15 to 20 kt. Seas 4 to 6 ft. A chance of showers. .TUE NIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. .WED...N winds 10 to 15 kt, becoming E 5 to 10 kt in the afternoon. Seas 2 to 4 ft. .WED NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. .THU...S winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. .THU NIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. Showers likely. .FRI...S winds 5 to 10 kt. Seas around 2 ft. A chance of showers. .FRI NIGHT...E winds 5 to 10 kt. Seas around 2 ft. A chance of showers. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ251-242115- Massachusetts Bay and Ipswich Bay- 410 AM EDT Mon Jul 24 2017 ...SMALL CRAFT ADVISORY IN EFFECT FROM 11 AM EDT THIS MORNING THROUGH TUESDAY AFTERNOON... .TODAY...E winds 15 to 20 kt, increasing to 20 to 25 kt this afternoon. Gusts up to 30 kt. Seas 2 to 4 ft. Rain. Patchy fog this afternoon. Vsby 1 to 3 NM. .TONIGHT...NE winds 20 to 25 kt, diminishing to 15 to 20 kt after midnight. Gusts up to 30 kt. Seas 4 to 6 ft. A chance of showers. Vsby 1 to 3 NM. .TUE...N winds 15 to 20 kt, diminishing to 10 to 15 kt in the afternoon. Seas 3 to 5 ft. A chance of showers. .TUE NIGHT...N winds 10 to 15 kt. Seas 2 to 3 ft. .WED...N winds 5 to 10 kt, becoming E in the afternoon. Seas 2 to 4 ft. .WED NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. .THU...SW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. .THU NIGHT...SW winds 5 to 10 kt with gusts up to 20 kt. Seas 1 to 2 ft. Showers likely. .FRI...S winds around 5 kt. Seas 1 foot or less. A chance of showers. .FRI NIGHT...NE winds 5 to 10 kt. Seas 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. $$ ANZ231-242115- Cape Cod Bay- 410 AM EDT Mon Jul 24 2017 ...SMALL CRAFT ADVISORY IN EFFECT FROM 11 AM EDT THIS MORNING THROUGH TUESDAY AFTERNOON... .TODAY...E winds 15 to 20 kt, increasing to 20 to 25 kt this afternoon. Gusts up to 30 kt. Seas 2 to 4 ft. Rain this morning, then rain likely with a slight chance of tstms this afternoon. Patchy fog this afternoon. Vsby 1 to 3 NM. .TONIGHT...NE winds 10 to 15 kt, becoming N 15 to 20 kt after midnight. Gusts up to 25 kt. Seas 2 to 4 ft. .TUE...N winds around 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .TUE NIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .WED...N winds 10 to 15 kt, becoming E around 5 kt in the afternoon. Seas around 2 ft. .WED NIGHT...S winds around 5 kt. Seas 1 foot or less. .THU...S winds 10 to 15 kt with gusts up to 25 kt. Seas around 2 ft. .THU NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. Showers likely. .FRI...SW winds 5 to 10 kt. Seas 1 foot or less. Showers likely. .FRI NIGHT...SE winds 5 to 10 kt. Seas 1 foot or less. A chance of showers. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ254-242115- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm- 410 AM EDT Mon Jul 24 2017 ...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM EDT THIS MORNING THROUGH LATE TUESDAY NIGHT... .TODAY...E winds 15 to 20 kt, increasing to 20 to 25 kt this afternoon. Gusts up to 30 kt. Seas 3 to 5 ft. Rain. A slight chance of tstms this afternoon. Patchy fog this afternoon. Vsby 1 NM or less, increasing to 1 to 3 NM this afternoon. .TONIGHT...SE winds 10 to 15 kt, becoming N 15 to 20 kt after midnight. Gusts up to 25 kt. Seas 4 to 6 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM. .TUE...N winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Seas 4 to 6 ft. .TUE NIGHT...N winds around 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. .WED...N winds 10 to 15 kt, becoming E around 5 kt in the afternoon. Seas 3 to 5 ft. .WED NIGHT...S winds around 5 kt. Seas 2 to 4 ft. .THU...S winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. .THU NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. A chance of showers. .FRI...SW winds 5 to 10 kt. Seas around 2 ft. Showers likely. .FRI NIGHT...SE winds 5 to 10 kt. Seas around 2 ft. A chance of showers. 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. $$ ANZ255-242115- Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- 410 AM EDT Mon Jul 24 2017 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TUESDAY NIGHT... .TODAY...E winds 20 to 25 kt, becoming SE 15 to 20 kt this afternoon. Gusts up to 30 kt. Seas 4 to 6 ft. Patchy fog. Rain this morning, then a chance of rain with a slight chance of tstms this afternoon. Vsby 1 NM or less, increasing to 1 to 3 NM this afternoon. .TONIGHT...NW winds 5 to 10 kt with gusts up to 20 kt, becoming N 10 to 15 kt after midnight. Seas 4 to 6 ft. Patchy fog. Vsby 1 to 3 NM. .TUE...N winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 6 ft. .TUE NIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. .WED...NE winds 10 to 15 kt with gusts up to 20 kt, becoming E 5 to 10 kt in the afternoon. Seas 2 to 4 ft. .WED NIGHT...SE winds 5 to 10 kt. Seas 2 to 4 ft. .THU...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .THU NIGHT...SW winds 5 to 10 kt with gusts up to 20 kt. Seas around 2 ft. A chance of showers. .FRI...S winds 5 to 10 kt. Seas around 2 ft. Showers likely. .FRI NIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ256-242115- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 410 AM EDT Mon Jul 24 2017 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TUESDAY NIGHT... .TODAY...E winds 20 to 25 kt, becoming NE 15 to 20 kt this afternoon. Gusts up to 30 kt. Seas 4 to 7 ft. Patchy fog. Rain with a chance of tstms this morning. A chance of rain with a slight chance of tstms this afternoon. Vsby 1 to 3 NM. .TONIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 6 ft. .TUE...N winds 10 to 15 kt. Gusts up to 20 kt in the afternoon. Seas 4 to 5 ft. .TUE NIGHT...N winds 10 to 15 kt. Gusts up to 20 kt in the evening. Seas 3 to 5 ft. .WED...NE winds 10 to 15 kt, becoming E in the afternoon. Seas 2 to 4 ft. .WED NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. .THU...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .THU NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Showers likely. .FRI...SW winds 5 to 10 kt. Seas around 2 ft. Showers likely. .FRI NIGHT...E winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers. Vsby 1 to 3 NM. 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. $$ ANZ232-242115- Nantucket Sound- 410 AM EDT Mon Jul 24 2017 ...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM EDT THIS MORNING THROUGH THIS AFTERNOON... .TODAY...E winds 20 to 25 kt, diminishing to 15 to 20 kt this afternoon. Gusts up to 30 kt. Seas 2 to 4 ft. Patchy fog. Rain this morning. A chance of rain with a slight chance of tstms this afternoon. Vsby 1 to 3 NM. .TONIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Patchy fog. Vsby 1 to 3 NM. .TUE...N winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .TUE NIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .WED...NE winds 10 to 15 kt, becoming E 5 to 10 kt in the afternoon. Seas around 2 ft. .WED NIGHT...S winds 5 to 10 kt. Seas around 2 ft. .THU...S winds 10 to 15 kt with gusts up to 20 kt. Seas 1 to 2 ft. .THU NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 1 to 2 ft. Showers likely. .FRI...SW winds 5 to 10 kt. Seas 1 foot or less. Showers likely. .FRI NIGHT...SE winds 5 to 10 kt. Seas 1 foot or less. A chance of showers. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ233-242115- Vineyard Sound- 410 AM EDT Mon Jul 24 2017 ...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM EDT THIS MORNING THROUGH THIS AFTERNOON... .TODAY...E winds 20 to 25 kt, becoming NE 15 to 20 kt this afternoon. Gusts up to 30 kt. Seas 2 to 4 ft. Patchy fog. Rain this morning. Rain likely with a slight chance of tstms this afternoon. Vsby 1 to 3 NM. .TONIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Patchy fog. Vsby 1 to 3 NM. .TUE...N winds 10 to 15 kt. Gusts up to 20 kt in the afternoon. Seas 2 to 3 ft. .TUE NIGHT...N winds 10 to 15 kt. Gusts up to 20 kt in the evening. Seas 2 to 3 ft. .WED...N winds 5 to 10 kt, becoming E with gusts up to 20 kt in the afternoon. Seas around 2 ft. .WED NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. .THU...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .THU NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Showers likely. .FRI...SW winds 5 to 10 kt. Seas 1 foot or less. Showers likely. .FRI NIGHT...E winds 5 to 10 kt. Seas 1 foot or less. A chance of showers. 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. $$ ANZ234-242115- Buzzards Bay- 410 AM EDT Mon Jul 24 2017 ...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM EDT THIS MORNING THROUGH THIS AFTERNOON... .TODAY...E winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to 4 ft. Patchy fog. Rain this morning, then rain likely with a slight chance of tstms this afternoon. Vsby 1 to 3 NM. .TONIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .TUE...N winds 10 to 15 kt. Gusts up to 20 kt in the afternoon. Seas around 2 ft. .TUE NIGHT...N winds 10 to 15 kt, diminishing to 5 to 10 kt after midnight. Seas around 2 ft. .WED...N winds around 5 kt, becoming E with gusts up to 20 kt in the afternoon. Seas around 2 ft. .WED NIGHT...S winds 5 to 10 kt. Seas around 2 ft. .THU...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .THU NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Showers likely. .FRI...SW winds 5 to 10 kt. Seas 1 foot or less. Showers likely. .FRI NIGHT...E winds 5 to 10 kt. Seas 1 foot or less. A chance of showers. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ235-242115- Rhode Island Sound- 410 AM EDT Mon Jul 24 2017 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY AFTERNOON... .TODAY...E winds 20 to 25 kt with gusts up to 30 kt. Seas 3 to 5 ft. Patchy fog. Rain this morning. A chance of rain with a slight chance of tstms this afternoon. Vsby 1 to 3 NM. .TONIGHT...N winds 10 to 15 kt, increasing to 15 to 20 kt after midnight. Seas 3 to 5 ft. .TUE...N winds 10 to 15 kt. Seas 3 to 5 ft. .TUE NIGHT...N winds 10 to 15 kt, diminishing to 5 to 10 kt after midnight. Seas 2 to 4 ft. .WED...N winds 5 to 10 kt, becoming E with gusts up to 20 kt in the afternoon. Seas 2 to 3 ft. .WED NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. .THU...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .THU NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Showers likely. .FRI...SW winds 5 to 10 kt. Seas around 2 ft. Showers likely. .FRI NIGHT...E winds 5 to 10 kt. Seas 1 foot or less. A chance of showers. 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. $$ ANZ237-242115- Block Island Sound- 410 AM EDT Mon Jul 24 2017 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY AFTERNOON... .TODAY...E winds 20 to 25 kt, becoming NE 15 to 20 kt this afternoon. Gusts up to 30 kt. Seas 3 to 5 ft. Patchy fog. Rain with a chance of tstms this morning. A chance of rain with a slight chance of tstms this afternoon. Vsby 1 to 3 NM. .TONIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. A chance of showers. .TUE...NE winds 10 to 15 kt. Seas 2 to 4 ft. .TUE NIGHT...N winds 10 to 15 kt, diminishing to 5 to 10 kt after midnight. Seas 2 to 4 ft. .WED...NE winds 5 to 10 kt, becoming SE with gusts up to 20 kt in the afternoon. Seas 2 to 3 ft. .WED NIGHT...S winds 5 to 10 kt. Seas around 2 ft. .THU...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .THU NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Showers likely. .FRI...SW winds 5 to 10 kt. Seas around 2 ft. Showers likely. .FRI NIGHT...NW winds 5 to 10 kt. Seas around 2 ft. A chance of showers. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ230-242115- Boston Harbor- 410 AM EDT Mon Jul 24 2017 ...SMALL CRAFT ADVISORY IN EFFECT FROM 11 AM EDT THIS MORNING THROUGH LATE TONIGHT... .TODAY...E winds 15 to 20 kt with gusts up to 25 kt. Waves 2 to 3 ft. Rain. Patchy fog this afternoon with vsby 1 to 3 NM. .TONIGHT...NE winds 15 to 20 kt, becoming N 10 to 15 kt after midnight. Gusts up to 25 kt. Waves 2 to 3 ft. A chance of showers. .TUE...N winds 10 to 15 kt. Gusts up to 20 kt in the morning. Waves around 2 ft. A chance of showers. .TUE NIGHT...N winds 5 to 10 kt. Waves 1 foot or less. .WED...N winds 5 to 10 kt, becoming E in the afternoon. Waves 1 foot or less. .WED NIGHT...S winds around 5 kt. Waves 1 foot or less. .THU...SW winds 5 to 10 kt with gusts up to 20 kt. Waves around 2 ft. .THU NIGHT...SW winds 5 to 10 kt. Waves 1 foot or less. Showers likely. .FRI...S winds around 5 kt. Waves 1 foot or less. A chance of showers. .FRI NIGHT...NE winds around 5 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. $$ ANZ236-242115- Narragansett Bay- 410 AM EDT Mon Jul 24 2017 ...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM THIS MORNING TO 2 PM EDT THIS AFTERNOON... .TODAY...E winds 15 to 20 kt, becoming NE 10 to 15 kt this afternoon. Gusts up to 30 kt. Waves 2 to 3 ft. Patchy fog. Rain this morning. A chance of rain with a slight chance of tstms this afternoon. Vsby 1 to 3 NM. .TONIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Waves 2 to 3 ft. .TUE...N winds 5 to 10 kt. Waves around 2 ft. .TUE NIGHT...N winds 5 to 10 kt. Waves 1 foot or less. .WED...N winds around 5 kt, becoming SE with gusts up to 20 kt in the afternoon. Waves 1 to 2 ft. .WED NIGHT...S winds around 5 kt. Waves 1 to 2 ft. .THU...SW winds 5 to 10 kt with gusts up to 20 kt. Waves 1 to 2 ft. .THU NIGHT...SW winds 5 to 10 kt with gusts up to 20 kt. Waves around 2 ft. Showers likely. .FRI...SW winds around 5 kt. Waves 1 foot or less. Showers likely. .FRI NIGHT...NE winds around 5 kt. Waves 1 foot or less. A chance of showers. Winds and waves higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ 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.