Coastal Waters Forecast
Issued by NWS Boston, MA

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000 FZUS51 KBOX 170244 CWFBOX Coastal Waters Forecast National Weather Service Taunton MA 1044 PM EDT Sat Sep 16 2017 COASTAL WATERS FROM THE MERRIMACK RIVER MA TO WATCH HILL RI OUT TO 25 NM ANZ200-171515- 1044 PM EDT Sat Sep 16 2017 .Synopsis for Massachusetts and Rhode Island coastal waters... A weak frontal system will remain across the waters through Sunday. Seas will start to build Sunday night as Hurricane Jose eventually slowly moves north during the next 72 hours. It remains uncertain how close Jose will come to the coastal waters and its specific intensity. Mariners should monitor the latest forecasts from the National Hurricane Center at www.nhc.noaa.gov. 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. $$ ANZ250-171515- Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- 1044 PM EDT Sat Sep 16 2017 .OVERNIGHT...SW winds around 5 kt. Seas around 2 ft. Areas of dense fog. Vsby 1 NM or less. .SUN...SE winds around 5 kt, becoming E in the afternoon. Seas 2 to 3 ft. Patchy fog in the morning with vsby 1 NM or less. .SUN NIGHT...E winds around 5 kt. Seas around 3 ft. Patchy fog after midnight with vsby 1 NM or less. .MON...E winds 5 to 10 kt. Seas around 3 ft. Areas of fog in the morning with vsby 1 NM or less. .MON NIGHT...E winds 5 to 10 kt. Gusts up to 20 kt after midnight. Seas 3 to 4 ft. A chance of showers. .TUE...NE winds 10 to 15 kt with gusts up to 20 kt, increasing to 15 to 20 kt with gusts up to 30 kt in the afternoon. Seas around 5 ft, building to 7 ft in the afternoon. Showers likely. Vsby 1 to 3 NM. .TUE NIGHT...Tropical storm conditions possible. Showers likely. .WED...Tropical storm conditions possible. Showers likely in the morning. A chance of showers in the afternoon. .WED NIGHT...Tropical storm conditions possible. A chance of showers in the evening. .THU...N winds 10 to 15 kt. Gusts up to 20 kt in the morning. Seas 5 to 6 ft. .THU NIGHT...N winds 5 to 10 kt. Seas 3 to 4 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ251-171515- Massachusetts Bay and Ipswich Bay- 1044 PM EDT Sat Sep 16 2017 .OVERNIGHT...SW winds around 5 kt. Seas 1 foot or less. Areas of fog, then areas of dense fog. Vsby 1 NM or less. .SUN...E winds around 5 kt, increasing to 5 to 10 kt in the afternoon. Seas 1 foot or less. Areas of fog in the morning with vsby 1 NM or less. .SUN NIGHT...SE winds 5 to 10 kt, becoming E after midnight. Seas 1 foot or less. Patchy fog after midnight with vsby 1 NM or less. .MON...E winds 5 to 10 kt. Seas 1 foot or less, then around 2 ft in the afternoon. Patchy fog in the morning with vsby 1 NM or less. .MON NIGHT...NE winds 5 to 10 kt. Seas around 2 ft. A chance of showers. Vsby 1 to 3 NM. .TUE...NE winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 4 ft. Showers likely. Vsby 1 to 3 NM. .TUE NIGHT...NE winds 15 to 20 kt with gusts up to 30 kt. Seas around 6 ft, building to 8 ft after midnight. Showers likely. Vsby 1 to 3 NM. .WED...Tropical storm conditions possible. Showers likely in the morning. A chance of showers in the afternoon. .WED NIGHT...N winds 10 to 15 kt. Gusts up to 20 kt in the evening. Seas 5 to 6 ft. .THU...NE winds 5 to 10 kt. Seas 3 to 4 ft. .THU NIGHT...E winds 5 to 10 kt, becoming N after midnight. Seas 2 to 3 ft. 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. $$ ANZ231-171515- Cape Cod Bay- 1044 PM EDT Sat Sep 16 2017 .OVERNIGHT...SW winds around 5 kt. Seas 1 foot or less. Areas of dense fog. Vsby 1 NM or less. .SUN...E winds around 5 kt. Seas 1 foot or less, then around 2 ft in the afternoon. Areas of dense fog in the morning with vsby 1 NM or less. .SUN NIGHT...E winds around 5 kt. Seas around 2 ft. Areas of fog after midnight with vsby 1 NM or less. .MON...E winds 5 to 10 kt. Seas around 2 ft. Areas of fog in the morning. A chance of showers in the afternoon. Vsby 1 NM or less in the morning. .MON NIGHT...E winds 5 to 10 kt. Gusts up to 20 kt after midnight. Seas around 2 ft. A chance of showers. .TUE...NE winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Gusts up to 30 kt. Seas around 3 ft, building to 5 ft in the afternoon. Showers with a chance of tstms. Some tstms may produce heavy rainfall. Vsby 1 to 3 NM. .TUE NIGHT...Tropical storm conditions possible. Showers likely. .WED...Tropical storm conditions possible. Showers likely in the morning. A chance of showers in the afternoon. .WED NIGHT...N winds 15 to 20 kt with gusts up to 30 kt, diminishing to 10 to 15 kt with gusts up to 20 kt after midnight. Seas around 6 ft, subsiding to 4 ft after midnight. A chance of showers in the evening. .THU...N winds 10 to 15 kt. Gusts up to 20 kt in the morning. Seas 2 to 3 ft. .THU NIGHT...N winds 5 to 10 kt. Seas around 2 ft. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ254-171515- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm- 1044 PM EDT Sat Sep 16 2017 ...SMALL CRAFT ADVISORY FOR HAZARDOUS SEAS IN EFFECT THROUGH LATE SUNDAY NIGHT... .OVERNIGHT...S winds around 5 kt. Seas 4 to 5 ft. Areas of dense fog. Vsby 1 NM or less. .SUN...E winds 5 to 10 kt. Seas around 5 ft. Areas of dense fog in the morning, then patchy fog in the afternoon. Vsby 1 NM or less, increasing to 1 to 3 NM in the afternoon. .SUN NIGHT...E winds 5 to 10 kt. Seas 5 to 6 ft. Patchy fog in the evening. Areas of fog after midnight. Vsby 1 NM or less. .MON...E winds 5 to 10 kt. Seas around 6 ft. Areas of fog in the morning. A chance of showers in the afternoon. Vsby 1 NM or less in the morning. .MON NIGHT...E winds 10 to 15 kt with gusts up to 25 kt. Seas 7 to 8 ft. A chance of showers. .TUE...E winds 15 to 20 kt, increasing to 20 to 25 kt in the afternoon. Gusts up to 35 kt. Seas around 11 ft, building to 13 ft in the afternoon. S and E of Nantucket, seas around 14 ft, building to 17 ft in the afternoon. Showers with a chance of tstms. Some tstms may produce heavy rainfall. Vsby 1 to 3 NM. .TUE NIGHT...Tropical storm conditions possible. Showers likely. .WED...Tropical storm conditions possible. Showers likely. .WED NIGHT...Tropical storm conditions possible. A chance of showers in the evening. .THU...N winds 15 to 20 kt, diminishing to 10 to 15 kt in the afternoon. Seas around 7 ft, subsiding to 5 ft in the afternoon. .THU NIGHT...NE winds 10 to 15 kt, becoming N 5 to 10 kt after midnight. 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. $$ ANZ255-171515- Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- 1044 PM EDT Sat Sep 16 2017 ...SMALL CRAFT ADVISORY FOR HAZARDOUS SEAS IN EFFECT THROUGH LATE SUNDAY NIGHT... .OVERNIGHT...E winds around 5 kt. Seas 5 to 6 ft. Areas of fog. Vsby 1 NM or less. .SUN...E winds 5 to 10 kt. Seas around 6 ft. Areas of fog in the morning, then patchy fog in the afternoon. Vsby 1 NM or less, increasing to 1 to 3 NM in the afternoon. .SUN NIGHT...E winds 5 to 10 kt. Seas 6 to 7 ft. Patchy fog in the evening. Areas of fog after midnight. Vsby 1 NM or less. .MON...E winds 5 to 10 kt. Seas around 7 ft. Areas of fog in the morning. A chance of showers in the afternoon. Vsby 1 NM or less in the morning. .MON NIGHT...E winds 10 to 15 kt with gusts up to 25 kt. Seas 8 to 9 ft. A chance of showers in the evening, then showers likely after midnight. .TUE...NE winds 20 to 25 kt with gusts up to 40 kt. Seas around 13 ft, building to 15 ft in the afternoon. Showers with a chance of tstms. Some tstms may produce heavy rainfall. Vsby 1 to 3 NM. .TUE NIGHT...Tropical storm conditions possible. Showers likely. .WED...Tropical storm conditions possible. Showers likely in the morning. A chance of showers in the afternoon. .WED NIGHT...Tropical storm conditions possible. A chance of showers in the evening. .THU...N winds 10 to 15 kt. Gusts up to 20 kt in the morning. Seas around 4 ft. .THU NIGHT...NE winds 10 to 15 kt, becoming N 5 to 10 kt after midnight. Seas around 3 ft. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ256-171515- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 1044 PM EDT Sat Sep 16 2017 ...SMALL CRAFT ADVISORY FOR HAZARDOUS SEAS IN EFFECT THROUGH LATE SUNDAY NIGHT... .OVERNIGHT...E winds around 5 kt. Seas around 6 ft. Areas of fog. Vsby 1 NM or less. .SUN...E winds 5 to 10 kt. Seas 6 to 7 ft. Patchy fog in the morning with vsby 1 NM or less. .SUN NIGHT...E winds 5 to 10 kt. Seas around 7 ft. Patchy fog in the evening. Areas of fog after midnight. Vsby 1 to 3 NM, decreasing to 1 NM or less after midnight. .MON...NE winds 10 to 15 kt. Gusts up to 20 kt in the afternoon. Seas 7 to 8 ft. Patchy fog in the morning. A chance of showers in the afternoon. Vsby 1 NM or less in the morning. .MON NIGHT...NE winds 10 to 15 kt, increasing to 15 to 20 kt after midnight. Gusts up to 25 kt. Seas 9 to 10 ft. A chance of showers in the evening, then showers likely after midnight. .TUE...NE winds 20 to 25 kt, increasing to 25 to 30 kt in the afternoon. Gusts up to 35 kt, increasing to 40 kt in the afternoon. Seas around 13 ft, building to 16 ft in the afternoon. Showers with a chance of tstms. Some tstms may produce heavy rainfall. Vsby 1 to 3 NM. .TUE NIGHT...Tropical storm conditions possible. Showers likely. .WED...Tropical storm conditions possible. Showers likely in the morning. A chance of showers in the afternoon. .WED NIGHT...N winds 15 to 20 kt with gusts up to 25 kt, diminishing to 10 to 15 kt after midnight. Seas around 5 ft, subsiding to 3 ft after midnight. .THU...NE winds 10 to 15 kt. Seas 2 to 3 ft. .THU NIGHT...NE winds 5 to 10 kt. Seas around 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. $$ ANZ232-171515- Nantucket Sound- 1044 PM EDT Sat Sep 16 2017 .OVERNIGHT...SE winds around 5 kt. Seas 2 to 3 ft. Areas of dense fog. Vsby 1 NM or less. .SUN...NE winds around 5 kt, becoming E in the afternoon. Seas around 3 ft. Areas of dense fog in the morning, then patchy fog in the afternoon. Vsby 1 NM or less, increasing to 1 to 3 NM in the afternoon. .SUN NIGHT...E winds 5 to 10 kt. Seas around 3 ft. Patchy fog in the evening. Areas of fog after midnight. Vsby 1 to 3 NM, decreasing to 1 NM or less after midnight. .MON...E winds 5 to 10 kt. Seas around 3 ft. Areas of fog in the morning. A chance of showers in the afternoon. Vsby 1 NM or less in the morning. .MON NIGHT...E winds 10 to 15 kt with gusts up to 25 kt. Seas around 4 ft. A chance of showers in the evening, then showers likely after midnight. .TUE...NE winds 15 to 20 kt, increasing to 20 to 25 kt in the afternoon. Gusts up to 35 kt. Seas 6 to 7 ft. Showers with a chance of tstms. Some tstms may produce heavy rainfall. Vsby 1 to 3 NM. .TUE NIGHT...Tropical storm conditions possible. Showers likely. .WED...Tropical storm conditions possible. Showers likely. .WED NIGHT...Tropical storm conditions possible. A chance of showers in the evening. .THU...N winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. .THU NIGHT...N winds 5 to 10 kt. Seas around 2 ft. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ233-171515- Vineyard Sound- 1044 PM EDT Sat Sep 16 2017 .OVERNIGHT...SE winds around 5 kt. Seas around 3 ft. Areas of dense fog. Vsby 1 NM or less. .SUN...NE winds around 5 kt, becoming E in the afternoon. Seas around 3 ft. Areas of fog in the morning with vsby 1 NM or less. .SUN NIGHT...E winds 5 to 10 kt. Seas 3 to 4 ft. Patchy fog in the evening. Areas of fog after midnight. Vsby 1 to 3 NM, decreasing to 1 NM or less after midnight. .MON...E winds 5 to 10 kt. Seas around 4 ft. A chance of showers. Areas of fog in the morning with vsby 1 NM or less. .MON NIGHT...NE winds 10 to 15 kt with gusts up to 25 kt. Seas 4 to 5 ft. A chance of showers in the evening, then showers likely after midnight. .TUE...NE winds 15 to 20 kt, increasing to 20 to 25 kt in the afternoon. Gusts up to 30 kt, increasing to 35 kt in the afternoon. Seas 6 to 7 ft. Showers with a chance of tstms. Some tstms may produce heavy rainfall. Vsby 1 to 3 NM. .TUE NIGHT...Tropical storm conditions possible. Showers likely. .WED...Tropical storm conditions possible. Showers likely in the morning. A chance of showers in the afternoon. .WED NIGHT...N winds 15 to 20 kt with gusts up to 25 kt, diminishing to 10 to 15 kt after midnight. Seas around 2 ft in the evening, then 1 foot or less. .THU...NE winds 10 to 15 kt. Seas 1 foot or less. .THU NIGHT...NE winds 5 to 10 kt. Seas 1 foot or less. 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. $$ ANZ234-171515- Buzzards Bay- 1044 PM EDT Sat Sep 16 2017 .OVERNIGHT...S winds around 5 kt. Seas around 2 ft. Areas of dense fog. Vsby 1 NM or less. .SUN...E winds around 5 kt, increasing to 5 to 10 kt in the afternoon. Seas 2 to 3 ft. Areas of fog in the morning with vsby 1 NM or less. .SUN NIGHT...E winds around 5 kt. Seas around 3 ft. Areas of fog after midnight with vsby 1 NM or less. .MON...E winds 5 to 10 kt. Seas around 3 ft. A chance of showers. Patchy fog in the morning with vsby 1 NM or less. .MON NIGHT...NE winds 5 to 10 kt. Gusts up to 20 kt after midnight. Seas 3 to 4 ft. A chance of showers. .TUE...NE winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Gusts up to 35 kt. Seas around 5 ft. Showers with a chance of tstms. Some tstms may produce heavy rainfall. Vsby 1 to 3 NM. .TUE NIGHT...Tropical storm conditions possible. Showers likely. .WED...Tropical storm conditions possible. Showers likely in the morning. A chance of showers in the afternoon. .WED NIGHT...N winds 10 to 15 kt. Gusts up to 20 kt in the evening. Seas 1 foot or less. .THU...N winds around 10 kt. Seas 1 foot or less. .THU NIGHT...NE winds 5 to 10 kt. Seas 1 foot or less. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ235-171515- Rhode Island Sound- 1044 PM EDT Sat Sep 16 2017 ...SMALL CRAFT ADVISORY FOR HAZARDOUS SEAS IN EFFECT THROUGH LATE SUNDAY NIGHT... .OVERNIGHT...SE winds around 5 kt. Seas 4 to 5 ft. Areas of dense fog. Vsby 1 NM or less. .SUN...NE winds around 5 kt, becoming E in the afternoon. Seas around 5 ft. Areas of fog in the morning with vsby 1 NM or less. .SUN NIGHT...E winds 5 to 10 kt. Seas around 5 ft. Areas of fog after midnight with vsby 1 NM or less. .MON...NE winds 5 to 10 kt. Seas around 6 ft. Patchy fog in the morning. A chance of showers in the afternoon. Vsby 1 NM or less in the morning. .MON NIGHT...NE winds 10 to 15 kt with gusts up to 25 kt. Seas around 6 ft, building to 8 ft after midnight. A chance of showers. .TUE...NE winds 15 to 20 kt with gusts up to 30 kt, increasing to 20 to 25 kt with gusts up to 40 kt in the afternoon. Seas around 9 ft, building to 11 ft in the afternoon. Showers with a chance of tstms. Some tstms may produce heavy rainfall. Vsby 1 to 3 NM. .TUE NIGHT...Tropical storm conditions possible. Showers likely. .WED...Tropical storm conditions possible. Showers likely in the morning. A chance of showers in the afternoon. .WED NIGHT...N winds 10 to 15 kt. Gusts up to 25 kt in the evening. Seas 2 to 3 ft. .THU...NE winds 10 to 15 kt. Seas around 2 ft. .THU NIGHT...NE 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. $$ ANZ237-171515- Block Island Sound- 1044 PM EDT Sat Sep 16 2017 ...SMALL CRAFT ADVISORY FOR HAZARDOUS SEAS IN EFFECT THROUGH LATE SUNDAY NIGHT... .OVERNIGHT...E winds around 5 kt. Seas 4 to 5 ft. Areas of dense fog. Vsby 1 NM or less. .SUN...NE winds around 5 kt, becoming E in the afternoon. Seas around 5 ft. Areas of fog in the morning with vsby 1 NM or less. .SUN NIGHT...E winds 5 to 10 kt. Seas around 5 ft. Patchy fog after midnight with vsby 1 NM or less. .MON...NE winds 5 to 10 kt. Seas around 6 ft. Patchy fog in the morning. A chance of showers in the afternoon. Vsby 1 NM or less in the morning. .MON NIGHT...NE winds 10 to 15 kt with gusts up to 25 kt. Seas 6 to 7 ft. A chance of showers. .TUE...NE winds 15 to 20 kt with gusts up to 30 kt, increasing to 20 to 25 kt with gusts up to 40 kt in the afternoon. Seas around 9 ft, building to 11 ft in the afternoon. Showers likely. Vsby 1 to 3 NM. .TUE NIGHT...Tropical storm conditions possible. Showers likely. .WED...Tropical storm conditions possible. Showers likely in the morning. A chance of showers in the afternoon. .WED NIGHT...N winds 10 to 15 kt. Gusts up to 20 kt in the evening. Seas around 4 ft, subsiding to 2 ft after midnight. .THU...NE winds around 10 kt. Seas around 2 ft. .THU NIGHT...NE winds 5 to 10 kt. Seas around 2 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ230-171515- Boston Harbor- 1044 PM EDT Sat Sep 16 2017 .OVERNIGHT...SW winds around 5 kt. Waves 1 foot or less. Areas of fog, then areas of dense fog. Vsby 1 NM or less. .SUN...E winds around 5 kt, increasing to 5 to 10 kt in the afternoon. Waves 1 foot or less. Areas of fog in the morning with vsby 1 NM or less. .SUN NIGHT...E winds around 5 kt. Waves 1 foot or less. Patchy fog after midnight with vsby 1 to 3 NM. .MON...E winds around 5 kt. Waves 1 foot or less. Patchy fog in the morning. A chance of showers in the afternoon. Vsby 1 to 3 NM. .MON NIGHT...NE winds around 5 kt. Waves 1 foot or less. Patchy fog. A chance of showers. Vsby 1 to 3 NM. .TUE...NE winds 5 to 10 kt. Gusts up to 20 kt in the afternoon. Waves 2 to 3 ft. Showers likely. Vsby 1 to 3 NM in the afternoon. .TUE NIGHT...NE winds 10 to 15 kt with gusts up to 25 kt. Waves around 4 ft. Showers likely. Vsby 1 to 3 NM. .WED...N winds 15 to 20 kt, diminishing to 10 to 15 kt in the afternoon. Gusts up to 25 kt. Waves around 4 ft. Showers likely in the morning. A chance of showers in the afternoon. Vsby 1 to 3 NM in the morning. .WED NIGHT...N winds 5 to 10 kt. Waves around 3 ft. .THU...NE winds 5 to 10 kt. Waves around 2 ft. .THU NIGHT...E winds around 5 kt, becoming N after midnight. Waves around 2 ft. 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. $$ ANZ236-171515- Narragansett Bay- 1044 PM EDT Sat Sep 16 2017 .OVERNIGHT...S winds around 5 kt. Waves around 3 ft. Areas of dense fog. Vsby 1 NM or less. .SUN...NE winds around 5 kt, becoming SE in the afternoon. Waves around 3 ft. Patchy fog in the morning with vsby 1 NM or less. .SUN NIGHT...E winds around 5 kt. Waves around 3 ft. Patchy fog after midnight with vsby 1 NM or less. .MON...NE winds 5 to 10 kt. Waves around 3 ft. Patchy fog in the morning. A chance of showers in the afternoon. Vsby 1 NM or less in the morning. .MON NIGHT...NE winds 5 to 10 kt. Waves around 4 ft. A chance of showers. .TUE...NE winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Gusts up to 30 kt. Waves 5 to 6 ft. Showers likely. Vsby 1 to 3 NM. .TUE NIGHT...Tropical storm conditions possible. Showers likely. .WED...Tropical storm conditions possible. Showers likely in the morning. A chance of showers in the afternoon. .WED NIGHT...N winds 10 to 15 kt, diminishing to 5 to 10 kt after midnight. Waves around 2 ft in the evening, then 1 foot or less. .THU...NE winds 5 to 10 kt. Waves 1 foot or less. .THU NIGHT...NE winds 5 to 10 kt, becoming N after midnight. Waves 1 foot or less. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ 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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