Coastal Waters Forecast
Issued by NWS Boston, MA

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000 FZUS51 KBOX 160153 CWFBOX Coastal Waters Forecast National Weather Service Boston/Norton MA 953 PM EDT Sun Jul 15 2018 Coastal waters from the Merrimack River MA to Watch Hill RI out to 25 NM ANZ200-161415- 953 PM EDT Sun Jul 15 2018 .Synopsis for Massachusetts and Rhode Island coastal waters... High pres will remain south of the waters tonight and Mon. South to southwest winds will increase Mon night and Tue ahead of an approaching cold front from the west. The cold front will sweep across the waters Tue night through early Wed. High pres will follow for Wed through 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. $$ ANZ250-161415- Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- 953 PM EDT Sun Jul 15 2018 .OVERNIGHT...SE winds 5 to 10 kt, diminishing to around 5 kt. Seas 2 to 3 ft. Areas of dense fog with vsby 1 NM or less. .MON...S winds around 5 kt, becoming SE in the afternoon. Seas 2 to 4 ft. Areas of dense fog. Vsby 1 NM or less. .MON NIGHT...S winds 10 to 15 kt. Gusts up to 20 kt after midnight. Seas 2 to 4 ft. Areas of fog. Vsby 1 NM or less. .TUE...S winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 5 ft. Areas of fog. A chance of showers. Vsby 1 NM or less. .TUE NIGHT...SW winds 10 to 15 kt. Gusts up to 25 kt in the evening. Seas 3 to 5 ft. Patchy fog. Showers with tstms likely. Some tstms may produce heavy rainfall. Vsby 1 NM or less. .WED...N winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 4 ft. A chance of showers. Vsby 1 to 3 NM. .WED NIGHT...N winds 5 to 10 kt. Gusts up to 20 kt after midnight. Seas 2 to 4 ft. .THU...NE winds 5 to 10 kt. Seas 2 to 3 ft. .THU NIGHT...S winds 5 to 10 kt. Seas around 2 ft. .FRI...S winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 3 ft. .FRI NIGHT...S winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 3 ft. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ251-161415- Massachusetts Bay and Ipswich Bay- 953 PM EDT Sun Jul 15 2018 .OVERNIGHT...SE winds around 5 kt. Seas 2 to 3 ft. Areas of dense fog with vsby 1 NM or less. .MON...SE winds around 5 kt, increasing to 5 to 10 kt in the afternoon. Seas 2 to 3 ft. Areas of dense fog. Vsby 1 NM or less. .MON NIGHT...S winds 5 to 10 kt. Gusts up to 20 kt after midnight. Seas 2 to 4 ft. Areas of fog. Vsby 1 NM or less. .TUE...S winds 5 to 10 kt, increasing to 10 to 15 kt in the afternoon. Gusts up to 25 kt. Seas 2 to 4 ft. Areas of fog. A chance of showers. Vsby 1 NM or less. .TUE NIGHT...S winds 10 to 15 kt with gusts up to 25 kt, becoming W 5 to 10 kt after midnight. Seas 2 to 4 ft. Showers with tstms likely. Some tstms may produce heavy rainfall. Vsby 1 to 3 NM. .WED...N winds 5 to 10 kt. Seas 2 to 3 ft. .WED NIGHT...N winds 5 to 10 kt. Seas around 2 ft. .THU...NE winds 5 to 10 kt. Seas around 2 ft. .THU NIGHT...S winds 5 to 10 kt. Seas around 2 ft. .FRI...S winds 5 to 10 kt with gusts up to 20 kt. Seas around 2 ft. .FRI NIGHT...S 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. $$ ANZ231-161415- Cape Cod Bay- 953 PM EDT Sun Jul 15 2018 .OVERNIGHT...S winds around 5 kt. Seas around 2 ft. Areas of fog with vsby 1 NM or less. .MON...S winds around 5 kt, increasing to 5 to 10 kt in the afternoon. Seas around 2 ft. Areas of dense fog. Vsby 1 NM or less. .MON NIGHT...SW winds 5 to 10 kt. Gusts up to 20 kt after midnight. Seas around 2 ft. Areas of fog. Vsby 1 NM or less. .TUE...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. Areas of fog. A chance of showers. Vsby 1 NM or less. .TUE NIGHT...S winds 10 to 15 kt with gusts up to 20 kt, becoming SW 5 to 10 kt after midnight. Seas around 2 ft. Patchy fog. Showers with tstms likely. Some tstms may produce heavy rainfall. Vsby 1 NM or less. .WED...N winds 5 to 10 kt with gusts up to 20 kt. Seas around 2 ft. A chance of showers. Vsby 1 NM or less. .WED NIGHT...N winds 5 to 10 kt. Seas around 2 ft. .THU...NE winds 5 to 10 kt. Seas around 2 ft. .THU NIGHT...S winds around 5 kt. Seas around 2 ft. .FRI...S winds 5 to 10 kt with gusts up to 20 kt. Seas 1 to 2 ft. .FRI NIGHT...S winds 5 to 10 kt. Seas around 2 ft. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ254-161415- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm- 953 PM EDT Sun Jul 15 2018 .OVERNIGHT...S winds around 5 kt. Seas 2 to 3 ft. Areas of dense fog. Vsby 1 NM or less. .MON...S winds around 5 kt, increasing to 5 to 10 kt in the afternoon. Seas 2 to 3 ft. Areas of dense fog. Vsby 1 NM or less. .MON NIGHT...S winds 5 to 10 kt. Gusts up to 20 kt after midnight. Seas 3 to 5 ft. Areas of fog. Vsby 1 NM or less. .TUE...S winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 5 ft. Patchy fog. Vsby 1 NM or less. .TUE NIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 5 ft. Patchy fog. Showers likely with a chance of tstms. Some tstms may produce heavy rainfall. Vsby 1 NM or less. .WED...W winds 5 to 10 kt, becoming N in the afternoon. Gusts up to 20 kt. Seas 3 to 5 ft. A chance of showers. Vsby 1 NM or less. .WED NIGHT...N winds 5 to 10 kt with gusts up to 20 kt. Seas 3 to 5 ft. .THU...N winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 4 ft. .THU NIGHT...S winds around 5 kt. Seas 2 to 3 ft. .FRI...S winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 3 ft. .FRI NIGHT...SE winds 5 to 10 kt. Seas 2 to 4 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. $$ ANZ255-161415- Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- 953 PM EDT Sun Jul 15 2018 .OVERNIGHT...SW winds around 5 kt. Seas 2 to 3 ft. Areas of dense fog. Vsby 1 NM or less. .MON...S winds 5 to 10 kt. Seas 2 to 3 ft. Areas of dense fog. Vsby 1 NM or less. .MON NIGHT...SW winds 5 to 10 kt. Gusts up to 25 kt after midnight. Seas 3 to 5 ft. Areas of fog. Vsby 1 NM or less. .TUE...S winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 5 ft. Areas of fog. Vsby 1 NM or less. .TUE NIGHT...SW winds 10 to 15 kt. Seas 4 to 5 ft. Patchy fog. Showers likely with a chance of tstms. Some tstms may produce heavy rainfall. Vsby 1 NM or less. .WED...N winds 5 to 10 kt with gusts up to 20 kt. Seas 3 to 5 ft. Patchy fog. A chance of showers. Vsby 1 NM or less. .WED NIGHT...N winds 5 to 10 kt. Gusts up to 20 kt in the evening. Seas 3 to 5 ft. .THU...NE winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 4 ft. .THU NIGHT...S winds around 5 kt. Seas 2 to 3 ft. .FRI...S winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 3 ft. .FRI NIGHT...SE winds 5 to 10 kt. Seas 2 to 4 ft. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ256-161415- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 953 PM EDT Sun Jul 15 2018 .OVERNIGHT...SW winds 5 to 10 kt. Seas around 3 ft. Areas of fog with vsby 1 NM or less. .MON...SW winds 5 to 10 kt. Seas 2 to 3 ft. Areas of fog. Vsby 1 NM or less. .MON NIGHT...SW winds 10 to 15 kt. Gusts up to 25 kt after midnight. Seas 3 to 5 ft. Areas of fog. Vsby 1 NM or less. .TUE...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 4 to 6 ft. Areas of fog. A chance of showers. Vsby 1 NM or less. .TUE NIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt in the evening. Seas around 5 ft. Patchy fog. Showers with tstms likely. Some tstms may produce heavy rainfall. Vsby 1 NM or less. .WED...N winds 5 to 10 kt with gusts up to 20 kt. Seas 3 to 5 ft. A chance of showers. Vsby 1 to 3 NM. .WED NIGHT...N winds 5 to 10 kt. Seas 3 to 5 ft. .THU...E winds 5 to 10 kt with gusts up to 20 kt. Seas 3 to 4 ft. .THU NIGHT...S winds around 5 kt. Seas around 3 ft. .FRI...S winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 3 ft. .FRI NIGHT...SE winds 5 to 10 kt. Seas 3 to 4 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. $$ ANZ232-161415- Nantucket Sound- 953 PM EDT Sun Jul 15 2018 .OVERNIGHT...SW winds around 5 kt. Seas around 2 ft. Areas of fog. Vsby 1 NM or less. .MON...S winds around 5 kt, increasing to 5 to 10 kt in the afternoon. Seas around 2 ft. Areas of dense fog. Vsby 1 NM or less. .MON NIGHT...SW winds 5 to 10 kt. Gusts up to 25 kt after midnight. Seas 2 to 3 ft. Areas of fog. Vsby 1 NM or less. .TUE...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. Areas of fog. A chance of showers. Vsby 1 NM or less. .TUE NIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt in the evening. Seas 2 to 3 ft. Patchy fog. Showers with tstms likely. Some tstms may produce heavy rainfall. Vsby 1 NM or less. .WED...N winds 5 to 10 kt with gusts up to 20 kt. Seas around 2 ft. Patchy fog. A chance of showers. Vsby 1 NM or less. .WED NIGHT...N winds 5 to 10 kt. Gusts up to 20 kt in the evening. Seas 2 to 3 ft. .THU...NE winds 5 to 10 kt with gusts up to 20 kt. Seas around 2 ft. .THU NIGHT...S winds around 5 kt. Seas 1 to 2 ft. .FRI...S winds 5 to 10 kt with gusts up to 20 kt. Seas around 2 ft. .FRI NIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ233-161415- Vineyard Sound- 953 PM EDT Sun Jul 15 2018 .OVERNIGHT...SW winds 5 to 10 kt, diminishing to around 5 kt. Seas around 2 ft. Areas of fog with vsby 1 NM or less. .MON...S winds around 5 kt, increasing to 5 to 10 kt in the afternoon. Seas around 2 ft. Areas of fog. Vsby 1 NM or less. .MON NIGHT...S winds 5 to 10 kt, becoming SW 10 to 15 kt with gusts up to 20 kt after midnight. Seas 2 to 3 ft. Areas of fog. Vsby 1 NM or less. .TUE...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. Areas of fog. A chance of showers. Vsby 1 NM or less. .TUE NIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt in the evening. Seas 2 to 4 ft. Patchy fog. Showers with tstms likely. Some tstms may produce heavy rainfall. Vsby 1 NM or less. .WED...N winds 5 to 10 kt. Gusts up to 20 kt in the afternoon. Seas around 2 ft. Patchy fog. A chance of showers. Vsby 1 NM or less. .WED NIGHT...N winds 5 to 10 kt. Seas 2 to 3 ft. .THU...NE winds 5 to 10 kt. Seas 1 to 2 ft. .THU NIGHT...S winds around 5 kt. Seas 1 to 2 ft. .FRI...S winds 5 to 10 kt with gusts up to 20 kt. Seas around 2 ft. .FRI NIGHT...S winds 5 to 10 kt. Seas 1 to 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. $$ ANZ234-161415- Buzzards Bay- 953 PM EDT Sun Jul 15 2018 .OVERNIGHT...SW winds around 5 kt. Seas 1 foot or less. Areas of fog with vsby 1 NM or less. .MON...S winds around 5 kt, increasing to 5 to 10 kt in the afternoon. Seas around 2 ft. Areas of fog. Vsby 1 NM or less. .MON NIGHT...SW winds 5 to 10 kt. Gusts up to 20 kt after midnight. Seas 2 to 3 ft. Areas of fog. Vsby 1 NM or less. .TUE...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. Areas of fog. A chance of showers. Vsby 1 NM or less. .TUE NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, becoming W 5 to 10 kt after midnight. Seas 2 to 3 ft. Patchy fog. Showers with tstms likely. Some tstms may produce heavy rainfall. Vsby 1 NM or less. .WED...N winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 3 ft. Patchy fog. A chance of showers. Vsby 1 NM or less. .WED NIGHT...N winds 5 to 10 kt. Seas 2 to 3 ft. .THU...NE winds around 5 kt. Seas around 2 ft. .THU NIGHT...S winds around 5 kt. Seas around 2 ft. .FRI...S winds 5 to 10 kt with gusts up to 20 kt. Seas around 2 ft. .FRI NIGHT...S winds 5 to 10 kt. Seas around 2 ft. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ235-161415- Rhode Island Sound- 953 PM EDT Sun Jul 15 2018 .OVERNIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. .MON...S winds 5 to 10 kt. Seas 2 to 3 ft. Areas of fog. Vsby 1 NM or less. .MON NIGHT...S winds 5 to 10 kt, becoming SW 10 to 15 kt with gusts up to 25 kt after midnight. Seas 3 to 5 ft. Areas of fog. Vsby 1 to 3 NM. .TUE...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 5 ft. Areas of fog. A chance of showers. Vsby 1 NM or less. .TUE NIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt in the evening. Seas 3 to 5 ft. Patchy fog. Showers with tstms likely. Some tstms may produce heavy rainfall. Vsby 1 NM or less. .WED...N winds 5 to 10 kt with gusts up to 20 kt. Seas 3 to 4 ft. .WED NIGHT...N winds 5 to 10 kt. Seas 2 to 4 ft. .THU...E winds 5 to 10 kt. Seas 2 to 3 ft. .THU NIGHT...S winds around 5 kt. Seas around 2 ft. .FRI...S winds 5 to 10 kt with gusts up to 20 kt. Seas around 2 ft. .FRI NIGHT...SE winds 5 to 10 kt. Seas 2 to 3 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. $$ ANZ237-161415- Block Island Sound- 953 PM EDT Sun Jul 15 2018 .OVERNIGHT...SW winds around 5 kt. Seas around 2 ft. .MON...SW winds around 5 kt, becoming S in the afternoon. Seas 2 to 3 ft. Areas of fog. Vsby 1 NM or less. .MON NIGHT...SW winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 25 kt after midnight. Seas 3 to 5 ft. Areas of fog. Vsby 1 NM or less. .TUE...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 5 ft. Areas of fog. A chance of showers. Vsby 1 NM or less. .TUE NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, becoming W 5 to 10 kt after midnight. Seas 3 to 5 ft. Patchy fog. Showers with tstms likely. Some tstms may produce heavy rainfall. Vsby 1 to 3 NM. .WED...N winds 5 to 10 kt. Gusts up to 20 kt in the morning. Seas 2 to 4 ft. .WED NIGHT...N winds 5 to 10 kt. Seas 2 to 4 ft. .THU...E winds around 5 kt. Seas 2 to 3 ft. .THU NIGHT...S winds around 5 kt. Seas around 2 ft. .FRI...S winds 5 to 10 kt with gusts up to 20 kt. Seas around 2 ft. .FRI NIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ230-161415- Boston Harbor- 953 PM EDT Sun Jul 15 2018 .OVERNIGHT...SE winds around 5 kt. Waves 1 foot or less. Areas of fog with vsby 1 NM or less. .MON...SE winds around 5 kt, increasing to 5 to 10 kt in the afternoon. Waves 1 foot or less. Areas of dense fog. Vsby 1 NM or less. .MON NIGHT...S winds 5 to 10 kt. Waves 1 foot or less. Areas of fog. .TUE...SW winds around 10 kt with gusts up to 25 kt. Waves around 2 ft. Areas of fog. Showers likely with a chance of tstms. Some tstms may produce heavy rainfall. Vsby 1 to 3 NM. .TUE NIGHT...SW winds 5 to 10 kt. Gusts up to 20 kt in the evening. Waves around 2 ft. Showers with tstms likely. Some tstms may produce heavy rainfall. .WED...N winds around 5 kt. Waves 1 foot or less. .WED NIGHT...N winds around 5 kt. Waves 1 foot or less. .THU...NE winds around 5 kt. Waves 1 foot or less. .THU NIGHT...S winds around 5 kt. Waves 1 foot or less. .FRI...S winds around 5 kt with gusts up to 20 kt. Waves 1 foot or less. .FRI NIGHT...S winds around 5 kt. Waves 1 foot or less. 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. $$ ANZ236-161415- Narragansett Bay- 953 PM EDT Sun Jul 15 2018 .OVERNIGHT...S winds around 5 kt. Waves around 2 ft. .MON...S winds around 5 kt, increasing to 5 to 10 kt in the afternoon. Waves around 2 ft. .MON NIGHT...S winds 5 to 10 kt. Gusts up to 20 kt after midnight. Waves 2 to 3 ft. Areas of fog. Vsby 1 to 3 NM. .TUE...SW winds 10 to 15 kt with gusts up to 25 kt. Waves 2 to 4 ft. Areas of fog. A chance of showers. Vsby 1 NM or less. .TUE NIGHT...W winds 5 to 10 kt. Gusts up to 20 kt in the evening. Waves 2 to 4 ft. Patchy fog. Showers with tstms likely. Some tstms may produce heavy rainfall. Vsby 1 to 3 NM. .WED...N winds 5 to 10 kt. Waves 2 to 3 ft. .WED NIGHT...N winds around 5 kt. Waves 2 to 3 ft. .THU...E winds around 5 kt. Waves around 2 ft. .THU NIGHT...S winds around 5 kt. Waves around 2 ft. .FRI...S winds 5 to 10 kt with gusts up to 20 kt. Waves around 2 ft. .FRI NIGHT...S winds around 5 kt. Waves around 2 ft. Winds and waves higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ 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

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