Coastal Waters Forecast
Issued by NWS Boston, MA

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000 FZUS51 KBOX 191954 CWFBOX Coastal Waters Forecast National Weather Service Boston/Norton MA 354 PM EDT Wed Jun 19 2019 Coastal waters from the Merrimack River MA to Watch Hill RI out to 25 NM ANZ200-200815- 354 PM EDT Wed Jun 19 2019 .Synopsis for Massachusetts and Rhode Island coastal waters... Low clouds and fog along with light winds will persist through early Thursday. Some improvement during Thursday prior to a sweeping cold front with showers and thunderstorms along and ahead. High pressure and westerly winds for 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. $$ ANZ250-200815- Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- 354 PM EDT Wed Jun 19 2019 .TONIGHT...SE winds 5 to 10 kt. Seas around 2 ft. Areas of fog. A slight chance of showers this evening, then a chance of showers after midnight. Vsby 1 NM or less. .THU...SE winds 5 to 10 kt. Seas 2 to 3 ft. Patchy fog. Showers likely. Vsby 1 NM or less. .THU NIGHT...SE winds 10 to 15 kt, becoming SW 5 to 10 kt after midnight. Seas 2 to 4 ft. Patchy fog. Showers likely. Vsby 1 to 3 NM. .FRI...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Showers likely. .FRI NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. .SAT...NW winds 10 to 15 kt. Gusts up to 20 kt in the morning. Seas 3 to 5 ft. .SAT NIGHT...NW winds 10 to 15 kt. Gusts up to 20 kt in the evening. Seas 3 to 5 ft. .SUN...NW winds 10 to 15 kt. Seas 2 to 4 ft. .SUN NIGHT...W winds around 10 kt. Seas 2 to 3 ft. .MON...SW winds 5 to 10 kt. Seas 2 to 3 ft. .MON NIGHT...S winds around 10 kt. Seas 2 to 3 ft. A chance of showers and tstms. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ251-200815- Massachusetts Bay and Ipswich Bay- 354 PM EDT Wed Jun 19 2019 .TONIGHT...SE winds 5 to 10 kt. Seas around 2 ft. Areas of fog. A chance of showers. Vsby 1 NM or less after midnight. .THU...SE winds 5 to 10 kt. Seas around 2 ft. Areas of fog. A chance of showers. Vsby 1 NM or less. .THU NIGHT...SE winds 5 to 10 kt, becoming NW after midnight. Seas around 2 ft. Patchy fog. Showers likely. Vsby 1 to 3 NM. .FRI...NW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. Patchy fog. Showers likely. .FRI NIGHT...NW winds 10 to 15 kt. Gusts up to 20 kt in the evening. Seas 2 to 3 ft. .SAT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .SAT NIGHT...NW winds 10 to 15 kt. Gusts up to 20 kt in the evening. Seas around 2 ft. .SUN...NW winds 10 to 15 kt. Seas around 2 ft. .SUN NIGHT...W winds 5 to 10 kt. Seas 1 foot or less. .MON...SW winds 5 to 10 kt. Seas around 2 ft. .MON NIGHT...S winds 5 to 10 kt. Seas around 2 ft. A chance of showers and 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. $$ ANZ231-200815- Cape Cod Bay- 354 PM EDT Wed Jun 19 2019 .TONIGHT...SE winds 5 to 10 kt. Seas 1 foot or less. Areas of fog. A slight chance of showers this evening. A chance of showers after midnight. Vsby 1 NM or less. .THU...SE winds 5 to 10 kt. Seas 1 foot or less. Patchy fog. A chance of showers. Vsby 1 NM or less. .THU NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Patchy fog. Showers likely. Vsby 1 to 3 NM. .FRI...NW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. Showers likely. .FRI NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .SAT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .SAT NIGHT...NW winds 10 to 15 kt. Seas 2 to 3 ft. .SUN...NW winds 10 to 15 kt. Seas around 2 ft. .SUN NIGHT...W winds 5 to 10 kt. Seas 1 foot or less. .MON...SW winds 5 to 10 kt. Seas 1 foot or less. .MON NIGHT...S winds 5 to 10 kt. Seas 1 foot or less. A chance of showers and tstms. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ254-200815- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm- 354 PM EDT Wed Jun 19 2019 .TONIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft. Areas of dense fog. A chance of showers. Vsby 1 NM or less. .THU...SE winds 5 to 10 kt. Seas 2 to 4 ft. Areas of fog. A chance of showers. Vsby 1 NM or less. .THU NIGHT...S winds 5 to 10 kt. Seas 3 to 5 ft. Patchy fog. Showers likely. Vsby 1 to 3 NM. .FRI...W winds 10 to 15 kt, becoming NW 15 to 20 kt in the afternoon. Seas 3 to 5 ft. Showers likely. .FRI NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. .SAT...NW winds 10 to 15 kt. Gusts up to 20 kt in the morning. Seas 4 to 6 ft. .SAT NIGHT...NW winds 10 to 15 kt. Seas 4 to 6 ft. .SUN...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. .SUN NIGHT...W winds around 10 kt. Seas 2 to 4 ft. .MON...SW winds 5 to 10 kt. Seas 2 to 4 ft. .MON NIGHT...SW winds around 10 kt. Seas 3 to 5 ft. A chance of showers and 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. $$ ANZ255-200815- Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- 354 PM EDT Wed Jun 19 2019 .TONIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft. Areas of fog. A chance of showers. Vsby 1 NM or less. .THU...S winds 5 to 10 kt. Seas 2 to 4 ft. Areas of fog. A chance of showers. Vsby 1 NM or less. .THU NIGHT...SW winds 5 to 10 kt. Seas 3 to 5 ft. Patchy fog. Showers likely. Vsby 1 to 3 NM. .FRI...W winds 10 to 15 kt, becoming NW with gusts up to 20 kt in the afternoon. Seas 3 to 5 ft. A chance of showers. .FRI NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 6 ft. .SAT...W winds 10 to 15 kt. Gusts up to 20 kt in the morning. Seas 4 to 6 ft. .SAT NIGHT...NW winds 10 to 15 kt. Seas 4 to 6 ft. .SUN...W winds 10 to 15 kt. Seas 3 to 5 ft. .SUN NIGHT...W winds around 10 kt. Seas 2 to 4 ft. .MON...SW winds 5 to 10 kt. Seas 2 to 4 ft. .MON NIGHT...SW winds around 10 kt. Seas 3 to 5 ft. A chance of showers and tstms. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ256-200815- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 354 PM EDT Wed Jun 19 2019 .TONIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft. Areas of fog this evening. Areas of dense fog after midnight. A chance of showers. Vsby 1 NM or less. .THU...S winds 5 to 10 kt. Seas 2 to 4 ft. Areas of fog. A chance of showers. Vsby 1 NM or less. .THU NIGHT...S winds 10 to 15 kt, becoming SW 5 to 10 kt after midnight. Seas 3 to 5 ft. Patchy fog. Showers likely. Vsby 1 to 3 NM. .FRI...W winds 10 to 15 kt, becoming NW 15 to 20 kt in the afternoon. Seas 3 to 5 ft. A chance of showers. .FRI NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 6 ft. .SAT...W winds 10 to 15 kt. Gusts up to 20 kt in the morning. Seas 4 to 5 ft. .SAT NIGHT...NW winds 10 to 15 kt. Seas 3 to 5 ft. .SUN...W winds 10 to 15 kt. Seas 3 to 4 ft. .SUN NIGHT...W winds 5 to 10 kt. Seas around 3 ft. .MON...SW winds around 10 kt. Seas 3 to 4 ft. .MON NIGHT...SW winds 5 to 10 kt. Seas 3 to 5 ft. A chance of showers and 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. $$ ANZ232-200815- Nantucket Sound- 354 PM EDT Wed Jun 19 2019 .TONIGHT...SE winds 5 to 10 kt. Seas around 2 ft. Areas of fog. A chance of showers. Vsby 1 NM or less. .THU...SE winds 5 to 10 kt. Seas around 2 ft. Areas of fog. A chance of showers. Vsby 1 NM or less. .THU NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. Patchy fog. Showers likely. Vsby 1 to 3 NM. .FRI...W winds 5 to 10 kt, becoming NW 10 to 15 kt in the afternoon. Gusts up to 20 kt. Seas 2 to 3 ft. Showers likely. .FRI NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .SAT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .SAT NIGHT...NW winds 10 to 15 kt. Seas 2 to 3 ft. .SUN...W winds 10 to 15 kt. Seas 2 to 3 ft. .SUN NIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft. .MON...SW winds 5 to 10 kt. Seas around 2 ft. .MON NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers and tstms. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ233-200815- Vineyard Sound- 354 PM EDT Wed Jun 19 2019 .TONIGHT...SE winds 5 to 10 kt. Seas around 2 ft. Areas of fog. A chance of showers. Vsby 1 to 3 NM, decreasing to 1 NM or less after midnight. .THU...SE winds 5 to 10 kt. Seas around 2 ft. Areas of fog. A chance of showers. Vsby 1 NM or less. .THU NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. Patchy fog. Showers likely. Vsby 1 to 3 NM. .FRI...W winds 5 to 10 kt, becoming NW 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 2 to 3 ft. Showers likely. .FRI NIGHT...NW winds 10 to 15 kt. Seas 2 to 3 ft. .SAT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .SAT NIGHT...NW winds around 10 kt. Seas 2 to 3 ft. .SUN...W winds around 10 kt. Seas 2 to 3 ft. .SUN NIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft. .MON...SW winds 5 to 10 kt. Seas 2 to 3 ft. .MON NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers and 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. $$ ANZ234-200815- Buzzards Bay- 354 PM EDT Wed Jun 19 2019 .TONIGHT...SE winds 5 to 10 kt. Seas around 2 ft. Areas of fog. A chance of showers. Vsby 1 NM or less after midnight. .THU...SE winds 5 to 10 kt. Seas around 2 ft. Areas of fog. A chance of showers. Vsby 1 NM or less. .THU NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. Patchy fog. Showers likely. Vsby 1 NM or less. .FRI...W winds 5 to 10 kt, becoming NW 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 2 to 3 ft. Showers likely. .FRI NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt after midnight. Seas 2 to 3 ft. .SAT...NW winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 3 ft. .SAT NIGHT...NW winds around 10 kt. Seas around 2 ft. .SUN...W winds around 10 kt. Seas 2 to 3 ft. .SUN NIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft. .MON...SW winds 5 to 10 kt. Seas 2 to 3 ft. .MON NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers and tstms. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ235-200815- Rhode Island Sound- 354 PM EDT Wed Jun 19 2019 .TONIGHT...SE winds 5 to 10 kt. Seas around 2 ft. Areas of fog. A chance of showers. Vsby 1 to 3 NM, decreasing to 1 NM or less after midnight. .THU...SE winds 5 to 10 kt. Seas 2 to 4 ft. Areas of fog. A chance of showers. Vsby 1 NM or less. .THU NIGHT...S winds 10 to 15 kt, becoming SW 5 to 10 kt after midnight. Seas 2 to 4 ft. Patchy fog. Showers likely. Vsby 1 to 3 NM. .FRI...W winds 5 to 10 kt, becoming NW 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 2 to 4 ft. Showers likely. .FRI NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. .SAT...NW winds 10 to 15 kt. Gusts up to 20 kt in the morning. Seas 3 to 5 ft. .SAT NIGHT...NW winds around 10 kt. Seas 2 to 4 ft. .SUN...W winds around 10 kt. Seas 2 to 3 ft. .SUN NIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft. .MON...SW winds 5 to 10 kt. Seas 2 to 4 ft. .MON NIGHT...SW winds 5 to 10 kt. Seas 3 to 4 ft. A chance of showers and 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. $$ ANZ237-200815- Block Island Sound- 354 PM EDT Wed Jun 19 2019 .TONIGHT...E winds 5 to 10 kt. Seas around 2 ft. Areas of fog this evening. Areas of dense fog after midnight. A chance of showers. Vsby 1 NM or less. .THU...SE winds 5 to 10 kt. Seas 2 to 3 ft. Areas of fog. A chance of showers. Vsby 1 NM or less. .THU NIGHT...SW winds 5 to 10 kt. Seas 2 to 4 ft. Patchy fog. Showers likely. Vsby 1 to 3 NM. .FRI...NW winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 2 to 4 ft. A chance of showers. .FRI NIGHT...NW winds 10 to 15 kt. Gusts up to 20 kt in the evening. Seas 2 to 4 ft. .SAT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. .SAT NIGHT...NW winds around 10 kt. Seas 2 to 4 ft. .SUN...W winds around 10 kt. Seas 2 to 3 ft. .SUN NIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft. .MON...SW winds 5 to 10 kt. Seas 3 to 4 ft. .MON NIGHT...SW winds 5 to 10 kt. Seas 2 to 4 ft. A chance of showers and tstms. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ230-200815- Boston Harbor- 354 PM EDT Wed Jun 19 2019 .TONIGHT...SE winds 5 to 10 kt. Waves 1 foot or less. Areas of fog. A chance of showers. Vsby 1 to 3 NM after midnight. .THU...E winds 5 to 10 kt. Waves 1 foot or less. Areas of fog. Showers likely. Vsby 1 to 3 NM. .THU NIGHT...S winds 5 to 10 kt, becoming NW after midnight. Waves 1 foot or less. Patchy fog. Showers likely. Vsby 1 to 3 NM. .FRI...NW winds 5 to 10 kt, increasing to 10 to 15 kt in the afternoon. Gusts up to 20 kt. Waves around 2 ft. Showers likely. .FRI NIGHT...NW winds 5 to 10 kt. Gusts up to 20 kt in the evening. Waves around 2 ft. .SAT...NW winds around 10 kt with gusts up to 20 kt. Waves around 2 ft. .SAT NIGHT...NW winds around 10 kt. Gusts up to 20 kt in the evening. Waves around 2 ft. .SUN...NW winds 5 to 10 kt. Waves 1 foot or less. .SUN NIGHT...W winds 5 to 10 kt. Waves 1 foot or less. .MON...SW winds around 5 kt. Waves 1 foot or less. .MON NIGHT...S winds 5 to 10 kt. Waves 1 foot or less. A chance of showers and 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. $$ ANZ236-200815- Narragansett Bay- 354 PM EDT Wed Jun 19 2019 .TONIGHT...SE winds 5 to 10 kt, diminishing to around 5 kt after midnight. Waves around 2 ft. Areas of fog. A chance of showers. Vsby 1 NM or less after midnight. .THU...SE winds 5 to 10 kt. Waves around 2 ft. Patchy fog. A chance of showers. Vsby 1 NM or less. .THU NIGHT...SW winds 5 to 10 kt. Waves 2 to 3 ft. Patchy fog. Showers likely. Vsby 1 to 3 NM. .FRI...NW winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt in the afternoon. Waves 2 to 3 ft. Showers likely. .FRI NIGHT...NW winds 5 to 10 kt. Gusts up to 20 kt in the evening. Waves 2 to 3 ft. .SAT...NW winds 5 to 10 kt, increasing to 10 to 15 kt in the afternoon. Gusts up to 20 kt. Waves 2 to 3 ft. .SAT NIGHT...NW winds around 10 kt. Gusts up to 20 kt in the evening. Waves 2 to 3 ft. .SUN...W winds around 10 kt. Waves 2 to 3 ft. .SUN NIGHT...W winds 5 to 10 kt. Waves 2 to 3 ft. .MON...SW winds 5 to 10 kt. Waves 2 to 3 ft. .MON NIGHT...SW winds 5 to 10 kt. Waves 2 to 3 ft. A chance of showers and tstms. Winds and waves higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ For the latest updates...please visit our webpage at www.weather.gov/boston You can follow us on Facebook at www.facebook.com/us.nationalweatherservice.boston.gov You can follow us on Twitter at @NWSBoston

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