Coastal Waters Forecast
Issued by NWS Boston, MA

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000 FZUS51 KBOX 190516 CWFBOX Coastal Waters Forecast National Weather Service Boston/Norton MA 116 AM EDT Tue Jun 19 2018 Coastal waters from the Merrimack River MA to Watch Hill RI out to 25 NM ANZ200-191800- 116 AM EDT Tue Jun 19 2018 .Synopsis for Massachusetts and Rhode Island coastal waters... A cold front will approach the waters into this evening, sweeping through overnight ahead of which there is the possibility of showers and thunderstorms, especially over the eastern waters. A weak wave of low pressure and wet weather is possible Wednesday night over the S waters, otherwise cooler and drier conditions beneath high pressure and northwesterly flow for the remainder of the week, while a warm front lifts north across the waters over 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. $$ ANZ250-191800- Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- 116 AM EDT Tue Jun 19 2018 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM EDT EARLY THIS MORNING... .REST OF TONIGHT...SW winds 10 to 15 kt with gusts up to 30 kt. Seas 3 to 5 ft. Areas of fog. Scattered showers with a chance of tstms. Vsby 1 to 3 NM. .TUE...NW winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt in the afternoon. Seas 2 to 4 ft. .TUE NIGHT...NW winds 5 to 10 kt. Seas 2 to 3 ft. .WED...W winds around 5 kt, becoming S 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 2 to 3 ft. .WED NIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt in the evening. Seas 2 to 4 ft. .THU...N winds 5 to 10 kt, becoming NE in the afternoon. Seas 2 to 3 ft. .THU NIGHT...SE winds 5 to 10 kt, becoming W after midnight. Seas 1 foot or less. .FRI...SW winds 5 to 10 kt. Seas around 2 ft. .FRI NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. .SAT...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. .SAT NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. A chance of showers. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ251-191800- Massachusetts Bay and Ipswich Bay- 116 AM EDT Tue Jun 19 2018 .REST OF TONIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. Scattered showers with a chance of tstms. .TUE...NW winds 5 to 10 kt. Seas around 2 ft. .TUE NIGHT...NW winds 5 to 10 kt, diminishing to around 5 kt after midnight. Seas 1 foot or less. .WED...SW winds around 5 kt, becoming S in the afternoon. Seas around 2 ft. .WED NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. .THU...N winds 5 to 10 kt, becoming E in the afternoon. Seas 1 foot or less. .THU NIGHT...SE winds 5 to 10 kt, becoming W after midnight. Seas 1 foot or less. .FRI...SW winds 5 to 10 kt. Seas around 2 ft. .FRI NIGHT...S winds 5 to 10 kt. Seas around 2 ft. .SAT...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .SAT NIGHT...S winds 5 to 10 kt with gusts up to 20 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. $$ ANZ231-191800- Cape Cod Bay- 116 AM EDT Tue Jun 19 2018 .REST OF TONIGHT...SW winds 10 to 15 kt with gusts up to 30 kt. Seas 2 to 4 ft. Areas of fog. Scattered showers with a chance of tstms. Vsby 1 to 3 NM. .TUE...NW winds 5 to 10 kt. Gusts up to 20 kt in the morning. Seas around 2 ft. Scattered showers. Vsby 1 to 3 NM. .TUE NIGHT...NW winds around 5 kt. Seas 1 foot or less. .WED...W winds around 5 kt, becoming S 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas around 2 ft. .WED NIGHT...SW winds 10 to 15 kt, diminishing to 5 to 10 kt after midnight. Seas around 2 ft. .THU...NW winds 5 to 10 kt, becoming NE in the afternoon. Seas 1 foot or less. .THU NIGHT...SE winds 5 to 10 kt, becoming W after midnight. Seas 1 foot or less. .FRI...SW winds 5 to 10 kt. Seas around 2 ft. .FRI NIGHT...S winds 5 to 10 kt. Seas around 2 ft. .SAT...S winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. .SAT NIGHT...S winds around 10 kt with gusts up to 20 kt. Seas around 2 ft. A chance of showers. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ254-191800- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm- 116 AM EDT Tue Jun 19 2018 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM EDT THIS MORNING... .REST OF TONIGHT...SW winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to 6 ft. Areas of fog. Scattered showers with a chance of tstms. Vsby 1 NM or less. .TUE...W winds 10 to 15 kt with gusts up to 25 kt, becoming N 5 to 10 kt in the afternoon. Seas 3 to 5 ft. Areas of fog. Scattered showers with a chance of tstms. Vsby 1 NM or less. .TUE NIGHT...NW winds 5 to 10 kt. Seas 2 to 4 ft. .WED...W winds around 5 kt, becoming S in the afternoon. Seas 2 to 3 ft. .WED NIGHT...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...NW winds 5 to 10 kt, becoming NE in the afternoon. Seas 2 to 3 ft. .THU NIGHT...E winds 5 to 10 kt, becoming NW after midnight. Seas around 2 ft. .FRI...S winds 5 to 10 kt. Seas around 2 ft. .FRI NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. .SAT...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .SAT NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 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. $$ ANZ255-191800- Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- 116 AM EDT Tue Jun 19 2018 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM EDT THIS MORNING... .REST OF TONIGHT...SW winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to 7 ft. Areas of fog. A chance of tstms with isolated showers. Vsby 1 NM or less. .TUE...W winds 10 to 15 kt with gusts up to 25 kt, becoming N 5 to 10 kt in the afternoon. Seas 4 to 7 ft. Areas of fog. Scattered showers with a chance of tstms. Vsby 1 NM or less. .TUE NIGHT...SW winds around 5 kt, becoming NW around 5 kt after midnight. Seas 2 to 4 ft. Patchy fog. Vsby 1 to 3 NM. .WED...NW winds around 5 kt, becoming S in the afternoon. Seas 2 to 3 ft. Patchy fog. Vsby 1 to 3 NM. .WED NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers. .THU...W winds 5 to 10 kt, becoming NE in the afternoon. Seas around 2 ft. A chance of showers. Vsby 1 to 3 NM. .THU NIGHT...NE winds 5 to 10 kt. Seas around 2 ft. .FRI...E winds 5 to 10 kt. Seas around 2 ft. .FRI NIGHT...S winds 5 to 10 kt. Seas around 2 ft. .SAT...SE winds around 10 kt with gusts up to 20 kt. Seas 2 to 3 ft. .SAT NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. A chance of showers. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ256-191800- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 116 AM EDT Tue Jun 19 2018 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM EDT THIS MORNING... .REST OF TONIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 7 ft. Areas of fog. Scattered showers with a chance of tstms. Vsby 1 NM or less. .TUE...W winds 10 to 15 kt with gusts up to 25 kt, diminishing to 5 to 10 kt in the afternoon. Seas 4 to 7 ft. Areas of fog. Scattered showers with a chance of tstms. Vsby 1 NM or less. .TUE NIGHT...SW winds 5 to 10 kt, becoming NE after midnight. Seas 2 to 4 ft. Patchy fog. Vsby 1 to 3 NM. .WED...SE winds around 5 kt, becoming S in the afternoon. Seas 2 to 3 ft. .WED NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers. Vsby 1 to 3 NM. .THU...N winds 5 to 10 kt, becoming E in the afternoon. Seas 2 to 3 ft. A chance of showers. .THU NIGHT...NE winds 5 to 10 kt. Seas 2 to 3 ft. .FRI...E winds 5 to 10 kt. Seas around 2 ft. .FRI NIGHT...S winds 5 to 10 kt. Seas around 2 ft. .SAT...SE winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 3 ft. .SAT NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 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. $$ ANZ232-191800- Nantucket Sound- 116 AM EDT Tue Jun 19 2018 .REST OF TONIGHT...SW winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to 4 ft. Areas of fog. Scattered showers with a chance of tstms. Vsby 1 NM or less. .TUE...W winds 10 to 15 kt with gusts up to 20 kt, becoming N 5 to 10 kt in the afternoon. Seas 2 to 4 ft. Areas of fog. Scattered showers with a chance of tstms. Vsby 1 NM or less. .TUE NIGHT...NW winds around 5 kt. Seas 2 to 3 ft. .WED...W winds around 5 kt, becoming SW in the afternoon. Seas around 2 ft. .WED NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. .THU...NW winds 5 to 10 kt, becoming NE in the afternoon. Seas around 2 ft. .THU NIGHT...E winds 5 to 10 kt, becoming N after midnight. Seas 1 foot or less. .FRI...SW winds 5 to 10 kt. Seas around 2 ft. .FRI NIGHT...S winds 5 to 10 kt. Seas around 2 ft. .SAT...S winds around 10 kt with gusts up to 20 kt. Seas around 2 ft. .SAT NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. A chance of showers. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ233-191800- Vineyard Sound- 116 AM EDT Tue Jun 19 2018 .REST OF TONIGHT...SW winds around 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. Areas of fog. Scattered showers with a chance of tstms. Vsby 1 NM or less. .TUE...NW winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt in the afternoon. Seas 2 to 4 ft. Areas of fog. Scattered showers with a chance of tstms. Vsby 1 NM or less. .TUE NIGHT...S winds around 5 kt, becoming NW after midnight. Seas around 2 ft. .WED...E winds around 5 kt, becoming SW 10 to 15 kt in the afternoon. Seas around 2 ft. .WED NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. A chance of showers. .THU...NW winds 5 to 10 kt, becoming NE in the afternoon. Seas around 2 ft. .THU NIGHT...E winds 5 to 10 kt, becoming N after midnight. Seas 1 foot or less. .FRI...E winds 5 to 10 kt. Seas around 2 ft. .FRI NIGHT...S winds 5 to 10 kt. Seas around 2 ft. .SAT...S winds around 10 kt with gusts up to 20 kt. Seas around 2 ft. .SAT NIGHT...S winds around 10 kt with gusts up to 20 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. $$ ANZ234-191800- Buzzards Bay- 116 AM EDT Tue Jun 19 2018 .REST OF TONIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. Areas of fog. Scattered showers with a chance of tstms. Vsby 1 NM or less. .TUE...NW winds 5 to 10 kt. Seas 2 to 3 ft. Areas of fog. Scattered showers with a chance of tstms. Vsby 1 NM or less. .TUE NIGHT...S winds around 5 kt, becoming NW after midnight. Seas around 2 ft. .WED...NW winds around 5 kt, becoming SW 10 to 15 kt in the afternoon. Seas around 2 ft. .WED NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. A chance of showers. Vsby 1 to 3 NM. .THU...N winds 5 to 10 kt, becoming NE in the afternoon. Seas 1 foot or less. .THU NIGHT...E winds 5 to 10 kt, becoming NW after midnight. Seas 1 foot or less. .FRI...SW winds 5 to 10 kt. Seas 1 foot or less. .FRI NIGHT...S winds 5 to 10 kt. Seas 1 foot or less. .SAT...S winds 5 to 10 kt with gusts up to 20 kt. Seas around 2 ft. .SAT NIGHT...S winds 5 to 10 kt with gusts up to 20 kt. Seas around 2 ft. A chance of showers. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ235-191800- Rhode Island Sound- 116 AM EDT Tue Jun 19 2018 .REST OF TONIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. Areas of fog. Scattered showers with a chance of tstms. Vsby 1 NM or less. .TUE...NW winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt in the afternoon. Seas 3 to 5 ft. Areas of fog. Scattered showers with a chance of tstms. Vsby 1 NM or less. .TUE NIGHT...S winds around 5 kt, becoming NW around 5 kt after midnight. Seas 2 to 3 ft. .WED...SE winds around 5 kt, becoming S 10 to 15 kt in the afternoon. Seas around 2 ft. .WED NIGHT...SW winds 10 to 15 kt, becoming W 5 to 10 kt after midnight. Seas around 2 ft. A chance of showers. Vsby 1 to 3 NM. .THU...N winds 5 to 10 kt, becoming E in the afternoon. Seas around 2 ft. .THU NIGHT...E winds 5 to 10 kt, becoming N after midnight. Seas around 2 ft. .FRI...E winds 5 to 10 kt. Seas around 2 ft. .FRI NIGHT...S winds 5 to 10 kt. Seas around 2 ft. .SAT...S winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 3 ft. .SAT NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 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. $$ ANZ237-191800- Block Island Sound- 116 AM EDT Tue Jun 19 2018 .REST OF TONIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 5 ft. Areas of fog. Scattered showers with a chance of tstms. Vsby 1 NM or less. .TUE...NW winds 5 to 10 kt. Gusts up to 20 kt in the morning. Seas 3 to 5 ft. Areas of fog. Vsby 1 NM or less. .TUE NIGHT...NW winds 5 to 10 kt, becoming N after midnight. Seas 2 to 3 ft. .WED...SE winds around 5 kt, becoming S in the afternoon. Seas around 2 ft. .WED NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM. .THU...N winds 5 to 10 kt, becoming E in the afternoon. Seas around 2 ft. .THU NIGHT...NE winds 5 to 10 kt. Seas around 2 ft. .FRI...SE winds 5 to 10 kt. Seas around 2 ft. .FRI NIGHT...S winds 5 to 10 kt. Seas around 2 ft. .SAT...SE winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 3 ft. .SAT NIGHT...S winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 4 ft. A chance of showers. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ230-191800- Boston Harbor- 116 AM EDT Tue Jun 19 2018 .REST OF TONIGHT...SW winds 5 to 10 kt. Waves 1 foot or less. Scattered showers with a chance of tstms. .TUE...NW winds 5 to 10 kt with gusts up to 20 kt. Waves 1 foot or less. .TUE NIGHT...NW winds around 5 kt. Waves 1 foot or less. .WED...SW winds around 5 kt, increasing to 5 to 10 kt in the afternoon. Waves 1 foot or less. .WED NIGHT...SW winds around 5 kt. Waves 1 foot or less. .THU...N winds 5 to 10 kt, becoming E in the afternoon. Waves 1 foot or less. .THU NIGHT...SE winds around 5 kt, becoming W after midnight. Waves 1 foot or less. .FRI...SW winds around 5 kt. Waves 1 foot or less. .FRI NIGHT...S winds 5 to 10 kt. Waves 1 foot or less. .SAT...S winds 5 to 10 kt with gusts up to 20 kt. Waves around 2 ft. .SAT NIGHT...S winds 5 to 10 kt with gusts up to 20 kt. Waves around 2 ft. 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. $$ ANZ236-191800- Narragansett Bay- 116 AM EDT Tue Jun 19 2018 .REST OF TONIGHT...SW winds 5 to 10 kt with gusts up to 20 kt. Waves 2 to 3 ft. Areas of fog. Scattered showers with a chance of tstms. Vsby 1 to 3 NM. .TUE...NW winds 5 to 10 kt. Waves 2 to 3 ft. .TUE NIGHT...N winds around 5 kt. Waves around 2 ft. .WED...E winds around 5 kt, becoming S in the afternoon. Waves around 2 ft. .WED NIGHT...SW winds 5 to 10 kt. Waves around 2 ft. .THU...N winds around 5 kt, becoming NE in the afternoon. Waves 1 foot or less. .THU NIGHT...E winds 5 to 10 kt, becoming N after midnight. Waves 1 foot or less. .FRI...SE winds 5 to 10 kt. Waves 1 foot or less. .FRI NIGHT...S winds 5 to 10 kt. Waves 1 foot or less. .SAT...S winds 5 to 10 kt with gusts up to 20 kt. Waves around 2 ft. .SAT NIGHT...S winds 5 to 10 kt with gusts up to 20 kt. Waves around 2 ft. A chance of showers. Winds and waves higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ 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

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