Coastal Waters Forecast
Issued by NWS Boston, MA

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000 FZUS51 KBOX 191920 CWFBOX Coastal Waters Forecast National Weather Service Taunton MA 320 PM EDT Wed Jul 19 2017 COASTAL WATERS FROM THE MERRIMACK RIVER MA TO WATCH HILL RI OUT TO 25 NM ANZ200-200815- 320 PM EDT Wed Jul 19 2017 .Synopsis for Massachusetts and Rhode Island coastal waters... Bermuda high pres will control our weather through the overnight. A weak cold front will cross the waters late Thu night into Fri before washing out. A couple waves of low pressure will track near or just south of the waters this weekend into early next week. 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. $$ ANZ250-200815- Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- 320 PM EDT Wed Jul 19 2017 .TONIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt this evening. Seas 2 to 4 ft. .THU...W winds around 5 kt, becoming S 10 to 15 kt in the afternoon. Seas 2 to 3 ft. .THU NIGHT...S winds 10 to 15 kt, becoming W with gusts up to 20 kt after midnight. Seas 2 to 3 ft. A chance of showers and tstms. Vsby 1 to 3 NM. .FRI...SW winds 5 to 10 kt. Seas 2 to 3 ft. .FRI NIGHT...W winds 5 to 10 kt, becoming NW after midnight. Seas 2 to 3 ft. .SAT...W winds around 5 kt, becoming SW in the afternoon. Seas 2 to 3 ft. .SAT NIGHT...SW winds 5 to 10 kt, becoming NE after midnight. Seas 2 to 3 ft. .SUN...E winds 5 to 10 kt. Seas around 2 ft. A chance of showers. .SUN NIGHT...SE winds 5 to 10 kt. Seas around 2 ft. A chance of showers. .MON...NE winds 5 to 10 kt. Seas 1 foot or less. A chance of showers. .MON NIGHT...NE winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ251-200815- Massachusetts Bay and Ipswich Bay- 320 PM EDT Wed Jul 19 2017 .TONIGHT...SW winds 10 to 15 kt, becoming W 5 to 10 kt after midnight. Seas 2 to 3 ft. .THU...W winds around 5 kt, becoming S 10 to 15 kt in the afternoon. Seas around 2 ft. .THU NIGHT...S winds 10 to 15 kt, becoming W 5 to 10 kt after midnight. Seas around 2 ft. A chance of showers and tstms. .FRI...W winds 5 to 10 kt. Seas around 2 ft. .FRI NIGHT...NW winds 5 to 10 kt. Seas around 2 ft. .SAT...SW winds 5 to 10 kt. Seas around 2 ft. .SAT NIGHT...SW winds 5 to 10 kt, becoming NE after midnight. Seas around 2 ft. .SUN...E winds around 5 kt. Seas 1 foot or less. A chance of showers. .SUN NIGHT...E winds around 5 kt. Seas 1 foot or less. A chance of showers. .MON...NE winds 5 to 10 kt. Seas 1 foot or less. A chance of showers. .MON NIGHT...NE 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. $$ ANZ231-200815- Cape Cod Bay- 320 PM EDT Wed Jul 19 2017 .TONIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt after midnight. Seas around 2 ft. .THU...W winds around 5 kt, becoming S in the afternoon. Seas 1 foot or less. .THU NIGHT...SW winds 5 to 10 kt, increasing to 10 to 15 kt after midnight. Seas 1 foot or less. A chance of showers and tstms. Vsby 1 to 3 NM. .FRI...W winds 5 to 10 kt. Seas 1 foot or less. A chance of showers and tstms. .FRI NIGHT...W winds 5 to 10 kt, becoming NW after midnight. Seas around 2 ft. .SAT...W winds around 5 kt, becoming SW in the afternoon. Seas 1 foot or less. .SAT NIGHT...SW winds 5 to 10 kt, becoming N after midnight. Seas 1 foot or less. A chance of showers. .SUN...E winds 5 to 10 kt. Seas 1 foot or less. A chance of showers. .SUN NIGHT...SE winds around 5 kt. Seas 1 foot or less. A chance of showers. .MON...NE winds 5 to 10 kt. Seas 1 foot or less. A chance of showers. .MON NIGHT...NE winds 5 to 10 kt. Seas 1 foot or less. A chance of showers. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ254-200815- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm- 320 PM EDT Wed Jul 19 2017 .TONIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt this evening. Seas 2 to 4 ft. Patchy dense fog. Vsby 1 NM or less. .THU...SW winds 5 to 10 kt. Seas 2 to 3 ft. Patchy fog. Vsby 1 NM or less. .THU NIGHT...SW winds 10 to 15 kt. Seas 2 to 4 ft. Patchy fog. A chance of showers and tstms. Vsby 1 NM or less. .FRI...SW winds 5 to 10 kt. Seas 2 to 4 ft. A chance of showers and tstms. .FRI NIGHT...SW winds 5 to 10 kt, becoming NW after midnight. Seas 2 to 4 ft. .SAT...NW winds around 5 kt, becoming SW in the afternoon. Seas 2 to 4 ft. .SAT NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers. .SUN...SE winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers. .SUN NIGHT...SE winds around 5 kt. Seas 2 to 3 ft. A chance of showers. .MON...NW winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers. .MON NIGHT...E winds 5 to 10 kt. Seas 2 to 4 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. $$ ANZ255-200815- Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- 320 PM EDT Wed Jul 19 2017 .TONIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt after midnight. Seas around 3 ft. Patchy fog this evening. Patchy dense fog after midnight. Vsby 1 NM or less. .THU...W winds 5 to 10 kt, becoming SW 10 to 15 kt in the afternoon. Seas 2 to 3 ft. Patchy fog. Vsby 1 NM or less. .THU NIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt after midnight. Seas 2 to 4 ft. Patchy fog. A chance of showers and tstms. Vsby 1 NM or less. .FRI...SW winds 5 to 10 kt. Seas 2 to 4 ft. A chance of showers and tstms. Vsby 1 to 3 NM. .FRI NIGHT...W winds 5 to 10 kt, becoming NW after midnight. Seas 2 to 4 ft. .SAT...NW winds around 5 kt, becoming SW in the afternoon. Seas 2 to 4 ft. .SAT NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers. .SUN...S winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers. .SUN NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers. .MON...SW winds 5 to 10 kt. Seas 2 to 4 ft. A chance of showers. .MON NIGHT...SE winds 5 to 10 kt. Seas 2 to 4 ft. A chance of showers. Vsby 1 to 3 NM. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ256-200815- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 320 PM EDT Wed Jul 19 2017 .TONIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt this evening. Seas 3 to 4 ft. .THU...W winds 5 to 10 kt, becoming SW 10 to 15 kt in the afternoon. Seas 2 to 3 ft. .THU NIGHT...SW winds 10 to 15 kt, becoming W 15 to 20 kt after midnight. Seas 2 to 4 ft. Patchy fog. A chance of showers and tstms. Vsby 1 to 3 NM. .FRI...W winds 5 to 10 kt, becoming SW 10 to 15 kt in the afternoon. Seas 3 to 4 ft. A chance of showers and tstms. .FRI NIGHT...NW winds 5 to 10 kt. Seas 3 to 4 ft. .SAT...NW winds 5 to 10 kt, becoming SW in the afternoon. Seas 2 to 4 ft. .SAT NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers. .SUN...SE winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers. .SUN NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers. .MON...SW winds 5 to 10 kt. Seas 3 to 4 ft. A chance of showers. .MON NIGHT...SE winds 5 to 10 kt. Seas around 4 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. $$ ANZ232-200815- Nantucket Sound- 320 PM EDT Wed Jul 19 2017 .TONIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt after midnight. Seas 2 to 3 ft. Patchy fog. Vsby 1 NM or less. .THU...W winds 5 to 10 kt, becoming SW 10 to 15 kt in the afternoon. Seas around 2 ft. Patchy fog. Vsby 1 NM or less. .THU NIGHT...SW winds 10 to 15 kt, becoming W 5 to 10 kt after midnight. Seas around 2 ft. Patchy fog. A chance of showers and tstms. Vsby 1 NM or less. .FRI...SW winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers and tstms. .FRI NIGHT...W winds 5 to 10 kt, becoming NW after midnight. Seas 2 to 3 ft. .SAT...NW winds around 5 kt, becoming SW in the afternoon. Seas around 2 ft. .SAT NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers. .SUN...SE winds 5 to 10 kt. Seas around 2 ft. A chance of showers. .SUN NIGHT...S winds around 5 kt. Seas 1 foot or less. A chance of showers. .MON...NW winds 5 to 10 kt. Seas around 2 ft. A chance of showers. .MON NIGHT...E winds around 5 kt. Seas around 2 ft. A chance of showers. Vsby 1 to 3 NM. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ233-200815- Vineyard Sound- 320 PM EDT Wed Jul 19 2017 .TONIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt after midnight. Seas 2 to 3 ft. .THU...W winds around 5 kt, becoming SW 10 to 15 kt in the afternoon. Seas around 2 ft. .THU NIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt after midnight. Seas 2 to 3 ft. Patchy fog. A chance of showers and tstms. Vsby 1 to 3 NM. .FRI...SW winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers and tstms. .FRI NIGHT...NW winds 5 to 10 kt. Seas 2 to 3 ft. .SAT...W winds around 5 kt, becoming SW in the afternoon. Seas around 2 ft. .SAT NIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers. .SUN...SE winds 5 to 10 kt. Seas around 2 ft. A chance of showers. .SUN NIGHT...S winds 5 to 10 kt. Seas around 2 ft. A chance of showers. .MON...W winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers. .MON 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. $$ ANZ234-200815- Buzzards Bay- 320 PM EDT Wed Jul 19 2017 .TONIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt after midnight. Seas around 2 ft. .THU...W winds around 5 kt, becoming SW 10 to 15 kt in the afternoon. Seas 1 foot or less. .THU NIGHT...SW winds 10 to 15 kt, becoming W 5 to 10 kt after midnight. Seas 1 foot or less. A chance of showers and tstms. Vsby 1 to 3 NM. .FRI...W winds 5 to 10 kt. Seas around 2 ft. A chance of showers and tstms. .FRI NIGHT...NW winds 5 to 10 kt. Seas around 2 ft. .SAT...W winds around 5 kt, becoming SW in the afternoon. Seas 1 foot or less. .SAT NIGHT...SW winds 5 to 10 kt, becoming W after midnight. Seas around 2 ft. A chance of showers. .SUN...SE winds 5 to 10 kt. Seas 1 foot or less. A chance of showers. .SUN NIGHT...SE winds around 5 kt. Seas 1 foot or less. A chance of showers. .MON...NW winds 5 to 10 kt. Seas around 2 ft. A chance of showers. .MON NIGHT...E winds 5 to 10 kt. Seas around 2 ft. A chance of showers. Vsby 1 to 3 NM. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ235-200815- Rhode Island Sound- 320 PM EDT Wed Jul 19 2017 .TONIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt this evening. Seas 2 to 4 ft. .THU...W winds 5 to 10 kt, becoming SW 10 to 15 kt in the afternoon. Seas 2 to 3 ft. .THU NIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt after midnight. Seas 2 to 3 ft. A chance of showers and tstms. Vsby 1 to 3 NM. .FRI...W winds 5 to 10 kt, becoming SW 10 to 15 kt in the afternoon. Seas 2 to 3 ft. A chance of showers and tstms. .FRI NIGHT...W winds 10 to 15 kt, becoming NW 5 to 10 kt after midnight. Seas 2 to 4 ft. .SAT...W winds around 5 kt, becoming SW in the afternoon. Seas 2 to 3 ft. .SAT NIGHT...SW winds 5 to 10 kt, becoming W after midnight. Seas 2 to 3 ft. A chance of showers. .SUN...SE winds 5 to 10 kt. Seas around 2 ft. A chance of showers. .SUN NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers. .MON...SW winds 5 to 10 kt. Seas 2 to 4 ft. A chance of showers. .MON NIGHT...E winds 5 to 10 kt. Seas 2 to 4 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. $$ ANZ237-200815- Block Island Sound- 320 PM EDT Wed Jul 19 2017 .TONIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, becoming W 5 to 10 kt after midnight. Seas 2 to 4 ft. .THU...W winds 5 to 10 kt, becoming SW 10 to 15 kt in the afternoon. Seas 2 to 3 ft. .THU NIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt after midnight. Seas 2 to 3 ft. A chance of showers and tstms. .FRI...W winds 5 to 10 kt. Seas 2 to 3 ft. .FRI NIGHT...NW winds 5 to 10 kt. Seas 2 to 4 ft. .SAT...W winds around 5 kt, becoming SW in the afternoon. Seas 2 to 3 ft. .SAT NIGHT...SW winds 5 to 10 kt, diminishing to around 5 kt after midnight. Seas 2 to 3 ft. A chance of showers. .SUN...SE winds 5 to 10 kt. Seas around 2 ft. A chance of showers. .SUN NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers. .MON...SW winds 5 to 10 kt. Seas 2 to 4 ft. A chance of showers. .MON NIGHT...SE winds 5 to 10 kt. Seas 2 to 4 ft. A chance of showers. Vsby 1 to 3 NM. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ230-200815- Boston Harbor- 320 PM EDT Wed Jul 19 2017 .TONIGHT...W winds 5 to 10 kt. Seas 1 foot or less. .THU...W winds around 5 kt, becoming S 10 to 15 kt in the afternoon. Seas 1 foot or less. .THU NIGHT...SW winds 10 to 15 kt, becoming W 5 to 10 kt after midnight. Seas 1 foot or less. A chance of showers and tstms. .FRI...W winds around 5 kt. Seas 1 foot or less. .FRI NIGHT...W winds around 5 kt. Seas 1 foot or less. .SAT...W winds around 5 kt. Seas 1 foot or less. .SAT NIGHT...W winds around 5 kt, becoming N after midnight. Seas 1 foot or less. .SUN...E winds around 5 kt. Seas 1 foot or less. A chance of showers. .SUN NIGHT...E winds around 5 kt. Seas 1 foot or less. A chance of showers. .MON...NE winds around 5 kt. Seas 1 foot or less. A chance of showers. .MON NIGHT...NE winds around 5 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. $$ ANZ236-200815- Narragansett Bay- 320 PM EDT Wed Jul 19 2017 .TONIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, becoming W around 5 kt after midnight. Seas around 2 ft. .THU...W winds around 5 kt, becoming SW 10 to 15 kt in the afternoon. Seas 1 foot or less. .THU NIGHT...SW winds 10 to 15 kt, diminishing to 5 to 10 kt after midnight. Seas 1 foot or less. A chance of showers and tstms. .FRI...W winds 5 to 10 kt. Seas 1 foot or less. .FRI NIGHT...NW winds 5 to 10 kt. Seas 1 foot or less. .SAT...SW winds 5 to 10 kt. Seas 1 foot or less. .SAT NIGHT...SW winds 5 to 10 kt, becoming NW after midnight. Seas 1 foot or less. A chance of showers. .SUN...E winds around 5 kt. Seas 1 foot or less. A chance of showers. .SUN NIGHT...SE winds around 5 kt. Seas 1 foot or less. A chance of showers. .MON...W winds 5 to 10 kt. Seas 1 foot or less. A chance of showers. .MON NIGHT...E winds around 5 kt. Seas 1 foot or less. A chance of showers. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ 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

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