Coastal Waters Forecast
Issued by NWS Boston, MA

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000 FZUS51 KBOX 222316 CWFBOX Coastal Waters Forecast National Weather Service Taunton MA 716 PM EDT Fri Sep 22 2017 COASTAL WATERS FROM THE MERRIMACK RIVER MA TO WATCH HILL RI OUT TO 25 NM ANZ200-231200- 716 PM EDT Fri Sep 22 2017 .Synopsis for Massachusetts and Rhode Island coastal waters... Jose will continue to weaken and slowly drift south tonight into Sat. Large high pres will begin to build in from the west Sat and remain in control of our weather Sun and Mon. Hurricane Maria will slowly lift north and be located off the North Carolina coast by the middle of next week. It will generate southerly swell particularly across our southern outer-waters during the first half of next week. 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. $$ ANZ250-231200- Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- 716 PM EDT Fri Sep 22 2017 ...GALE WARNING IN EFFECT UNTIL 11 PM EDT THIS EVENING... .TONIGHT...NE winds 20 to 25 kt, diminishing to 15 to 20 kt after midnight. Gusts up to 35 kt. Seas 9 to 12 ft. Patchy fog. A chance of showers. Vsby 1 NM or less. .SAT...NE winds 10 to 15 kt with gusts up to 30 kt. Seas 5 to 8 ft. Patchy fog. Vsby 1 NM or less. .SAT NIGHT...NE winds 5 to 10 kt, becoming N after midnight. Seas 3 to 5 ft. Patchy fog. .SUN...N winds around 5 kt, becoming E in the afternoon. Seas 2 to 4 ft. .SUN NIGHT...S winds around 5 kt. Seas 2 to 4 ft. Patchy fog. Vsby 1 to 3 NM. .MON...NE winds around 5 kt. Seas 2 to 4 ft. Patchy fog. Vsby 1 to 3 NM. .MON NIGHT...E winds around 5 kt. Seas 2 to 4 ft. .TUE...E winds around 5 kt. Seas 2 to 4 ft. .TUE NIGHT...E winds 5 to 10 kt. Seas 2 to 4 ft. A chance of showers. .WED...E winds 5 to 10 kt. Seas 2 to 4 ft. A chance of showers. .WED NIGHT...S winds 5 to 10 kt. Seas 2 to 4 ft. A chance of showers. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ251-231200- Massachusetts Bay and Ipswich Bay- 716 PM EDT Fri Sep 22 2017 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY AFTERNOON... .TONIGHT...NE winds 20 to 25 kt, diminishing to 15 to 20 kt after midnight. Gusts up to 35 kt. Seas 8 to 11 ft. Patchy fog. A chance of showers, mainly this evening. Vsby 1 NM or less. .SAT...NE winds 10 to 15 kt with gusts up to 30 kt. Seas 4 to 7 ft. Patchy fog. Vsby 1 NM or less. .SAT NIGHT...N winds around 5 kt. Seas 2 to 4 ft. Patchy fog. Vsby 1 to 3 NM. .SUN...N winds around 5 kt, becoming E in the afternoon. Seas around 2 ft. .SUN NIGHT...SW winds around 5 kt. Seas around 2 ft. Patchy fog. Vsby 1 to 3 NM. .MON...NE winds around 5 kt. Seas 2 to 3 ft. Patchy fog. Vsby 1 to 3 NM. .MON NIGHT...E winds around 5 kt. Seas 2 to 3 ft. .TUE...E winds around 5 kt. Seas 2 to 3 ft. .TUE NIGHT...E winds 5 to 10 kt. Seas 2 to 3 ft. .WED...E winds 5 to 10 kt. Seas around 2 ft. A chance of showers. .WED NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers. 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. $$ ANZ231-231200- Cape Cod Bay- 716 PM EDT Fri Sep 22 2017 ...GALE WARNING IN EFFECT UNTIL 11 PM EDT THIS EVENING... .TONIGHT...NE winds 20 to 25 kt, diminishing to 15 to 20 kt after midnight. Gusts up to 35 kt. Seas 5 to 8 ft. Patchy fog. A chance of showers. Vsby 1 NM or less. .SAT...N winds 10 to 15 kt with gusts up to 30 kt. Seas 2 to 4 ft. Patchy fog. A chance of showers. Vsby 1 NM or less. .SAT NIGHT...N winds 5 to 10 kt. Gusts up to 20 kt in the evening. Seas 2 to 3 ft. Patchy fog. .SUN...NE winds 5 to 10 kt. Seas around 2 ft. .SUN NIGHT...SE winds around 5 kt. Seas around 2 ft. Patchy fog. .MON...NE winds around 5 kt. Seas around 2 ft. .MON NIGHT...E winds around 5 kt. Seas around 2 ft. A chance of showers. .TUE...NE winds 5 to 10 kt. Seas around 2 ft. A chance of showers. .TUE NIGHT...E winds 5 to 10 kt. Seas around 2 ft. A chance of showers. .WED...E winds 5 to 10 kt. Seas around 2 ft. A chance of showers. .WED NIGHT...S winds 5 to 10 kt. Seas around 2 ft. A chance of showers. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ254-231200- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm- 716 PM EDT Fri Sep 22 2017 ...GALE WARNING IN EFFECT UNTIL 11 PM EDT THIS EVENING... .TONIGHT...NE winds 20 to 25 kt with gusts up to 40 kt, diminishing to 15 to 20 kt with gusts up to 30 kt after midnight. Seas 8 to 11 ft. Patchy fog. A chance of showers. Vsby 1 NM or less. .SAT...NE winds 15 to 20 kt with gusts up to 30 kt. Seas 5 to 8 ft. Patchy fog. Vsby 1 NM or less. .SAT NIGHT...NE winds 10 to 15 kt with gusts up to 20 kt, becoming N 5 to 10 kt after midnight. Seas 4 to 7 ft. Patchy fog. Vsby 1 to 3 NM. .SUN...NE winds 5 to 10 kt. Gusts up to 20 kt in the morning. Seas 3 to 5 ft. Patchy fog. Vsby 1 to 3 NM. .SUN NIGHT...E winds around 5 kt. Seas 4 to 6 ft. Patchy fog. Vsby 1 to 3 NM. .MON...NE winds 5 to 10 kt. Seas 4 to 7 ft. Patchy fog. Vsby 1 to 3 NM. .MON NIGHT...E winds 5 to 10 kt. Seas 4 to 7 ft. A chance of showers. .TUE...E winds 5 to 10 kt. Seas 4 to 7 ft. A chance of showers. .TUE NIGHT...E winds 5 to 10 kt. Seas 5 to 8 ft. A chance of showers. .WED...E winds 5 to 10 kt. Seas 5 to 8 ft, except 9 to 11 ft S and E of Nantucket. A chance of showers. .WED NIGHT...SE winds 5 to 10 kt. Seas 5 to 8 ft, except 9 to 12 ft S and E of Nantucket. A chance of showers. 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. $$ ANZ255-231200- Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- 716 PM EDT Fri Sep 22 2017 ...GALE WARNING IN EFFECT THROUGH SATURDAY MORNING... .TONIGHT...NE winds 25 to 30 kt, diminishing to 15 to 20 kt after midnight. Gusts up to 40 kt. Seas 7 to 10 ft. Patchy fog. A chance of showers, mainly this evening. Vsby 1 NM or less. .SAT...N winds 15 to 20 kt with gusts up to 35 kt. Seas 5 to 8 ft. Patchy fog. Vsby 1 NM or less. .SAT NIGHT...N winds 10 to 15 kt with gusts up to 25 kt. Seas 4 to 7 ft. Patchy fog. Vsby 1 to 3 NM. .SUN...NE winds 5 to 10 kt with gusts up to 25 kt. Seas 4 to 6 ft. Patchy fog. Vsby 1 to 3 NM. .SUN NIGHT...NE winds 5 to 10 kt, diminishing to around 5 kt after midnight. Seas 4 to 7 ft. Patchy fog. Vsby 1 to 3 NM. .MON...NE winds 5 to 10 kt. Seas 5 to 8 ft. Patchy fog. Vsby 1 to 3 NM. .MON NIGHT...NE winds 5 to 10 kt. Seas 6 to 8 ft. A chance of showers. .TUE...E winds 5 to 10 kt. Seas 6 to 9 ft. A chance of showers. .TUE NIGHT...E winds around 10 kt. Seas 7 to 10 ft. A chance of showers. .WED...E winds 10 to 15 kt. Seas 8 to 11 ft. A chance of showers. .WED NIGHT...E winds 10 to 15 kt. Seas 8 to 11 ft. A chance of showers. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ256-231200- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 716 PM EDT Fri Sep 22 2017 ...GALE WARNING IN EFFECT THROUGH SATURDAY MORNING... .TONIGHT...N winds 25 to 30 kt, diminishing to 20 to 25 kt after midnight. Gusts up to 40 kt. Seas 8 to 11 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM, decreasing to 1 NM or less after midnight. .SAT...N winds 15 to 20 kt with gusts up to 35 kt. Seas 6 to 9 ft. Patchy fog. Vsby 1 NM or less. .SAT NIGHT...NE winds 10 to 15 kt, becoming N 5 to 10 kt after midnight. Gusts up to 25 kt. Seas 4 to 7 ft. Patchy fog. .SUN...NE winds 5 to 10 kt with gusts up to 20 kt. Seas 4 to 6 ft. .SUN NIGHT...NE winds around 5 kt. Seas 4 to 7 ft. Patchy fog. Vsby 1 to 3 NM. .MON...NE winds 5 to 10 kt. Seas 5 to 8 ft. Patchy fog. Vsby 1 to 3 NM. .MON NIGHT...NE winds 5 to 10 kt. Seas 6 to 9 ft. A chance of showers. .TUE...NE winds around 10 kt. Seas 7 to 10 ft. .TUE NIGHT...E winds around 10 kt. Seas 8 to 11 ft. A chance of showers. .WED...E winds 10 to 15 kt. Seas 9 to 11 ft. .WED NIGHT...NE winds 5 to 10 kt. Seas 9 to 12 ft. A chance of showers. 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. $$ ANZ232-231200- Nantucket Sound- 716 PM EDT Fri Sep 22 2017 ...GALE WARNING IN EFFECT UNTIL 11 PM EDT THIS EVENING... .TONIGHT...NE winds 25 to 30 kt, diminishing to 15 to 20 kt after midnight. Seas 4 to 6 ft. Patchy fog. A chance of showers. Vsby 1 NM or less. .SAT...N winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to 4 ft. Patchy fog. Vsby 1 NM or less. .SAT NIGHT...N winds 10 to 15 kt, diminishing to 5 to 10 kt after midnight. Gusts up to 25 kt. Seas 2 to 3 ft. Patchy fog. Vsby 1 to 3 NM. .SUN...NE winds 5 to 10 kt. Gusts up to 20 kt in the morning. Seas 2 to 3 ft. Patchy fog. Vsby 1 to 3 NM. .SUN NIGHT...NE winds around 5 kt. Seas 2 to 3 ft. Patchy fog. Vsby 1 to 3 NM. .MON...NE winds 5 to 10 kt. Seas 2 to 4 ft. Patchy fog. Vsby 1 to 3 NM. .MON NIGHT...E winds 5 to 10 kt. Seas 2 to 4 ft. A chance of showers. .TUE...E winds 5 to 10 kt. Seas 2 to 4 ft. A chance of showers. .TUE NIGHT...E winds 5 to 10 kt. Seas 2 to 4 ft. A chance of showers. .WED...E winds 5 to 10 kt. Seas 2 to 4 ft. A chance of showers. .WED NIGHT...SE winds 5 to 10 kt. Seas 3 to 5 ft. A chance of showers. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ233-231200- Vineyard Sound- 716 PM EDT Fri Sep 22 2017 ...GALE WARNING IN EFFECT UNTIL 11 PM EDT THIS EVENING... .TONIGHT...N winds 25 to 30 kt with gusts up to 40 kt, diminishing to 15 to 20 kt with gusts up to 30 kt after midnight. Seas 4 to 6 ft. Patchy fog. A chance of showers this evening. Showers likely after midnight. Vsby 1 NM or less. .SAT...N winds 15 to 20 kt, diminishing to 10 to 15 kt in the afternoon. Gusts up to 30 kt. Seas 3 to 5 ft. Patchy fog. Vsby 1 NM or less. .SAT NIGHT...NE winds 10 to 15 kt with gusts up to 20 kt, becoming N 5 to 10 kt after midnight. Seas 2 to 3 ft. Patchy fog. Vsby 1 to 3 NM. .SUN...NE winds 5 to 10 kt. Seas 2 to 3 ft. Patchy fog. Vsby 1 to 3 NM. .SUN NIGHT...NE winds around 5 kt. Seas 2 to 4 ft. Patchy fog. Vsby 1 to 3 NM. .MON...NE winds 5 to 10 kt. Seas 2 to 4 ft. Patchy fog. Vsby 1 to 3 NM. .MON NIGHT...NE winds 5 to 10 kt. Seas 2 to 4 ft. A chance of showers. .TUE...NE winds 5 to 10 kt. Seas 3 to 5 ft. .TUE NIGHT...E winds 5 to 10 kt. Seas 3 to 5 ft. A chance of showers. .WED...E winds around 10 kt. Seas 3 to 5 ft. A chance of showers. .WED NIGHT...NE winds 5 to 10 kt. Seas 4 to 6 ft. A chance of showers. 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. $$ ANZ234-231200- Buzzards Bay- 716 PM EDT Fri Sep 22 2017 ...GALE WARNING IN EFFECT UNTIL 11 PM EDT THIS EVENING... .TONIGHT...N winds 20 to 25 kt, diminishing to 15 to 20 kt after midnight. Gusts up to 35 kt. Seas 3 to 5 ft. Patchy fog. A chance of showers this evening, then showers likely after midnight. Vsby 1 NM or less. .SAT...N winds 15 to 20 kt, diminishing to 10 to 15 kt in the afternoon. Gusts up to 30 kt. Seas 2 to 4 ft. Patchy fog. Vsby 1 NM or less. .SAT NIGHT...N winds 5 to 10 kt. Gusts up to 20 kt in the evening. Seas 2 to 3 ft. Patchy fog. Vsby 1 to 3 NM. .SUN...NE winds 5 to 10 kt. Seas 2 to 3 ft. Patchy fog. Vsby 1 to 3 NM. .SUN NIGHT...E winds around 5 kt, becoming N after midnight. Seas 2 to 3 ft. Patchy fog. .MON...NE winds around 5 kt, increasing to 5 to 10 kt in the afternoon. Seas 2 to 3 ft. Patchy fog. .MON NIGHT...NE winds 5 to 10 kt. Seas 2 to 3 ft. .TUE...NE winds 5 to 10 kt. Seas 2 to 3 ft. .TUE NIGHT...E winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers. .WED...E winds 5 to 10 kt. Seas 2 to 4 ft. A chance of showers. .WED NIGHT...N winds 5 to 10 kt. Seas 2 to 4 ft. A chance of showers. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ235-231200- Rhode Island Sound- 716 PM EDT Fri Sep 22 2017 ...GALE WARNING IN EFFECT UNTIL 4 AM EDT SATURDAY... .TONIGHT...N winds 20 to 25 kt with gusts up to 40 kt. Seas 5 to 8 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM, decreasing to 1 NM or less after midnight. .SAT...N winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to 6 ft. Patchy fog. Vsby 1 NM or less. .SAT NIGHT...NE winds 10 to 15 kt with gusts up to 25 kt, becoming N 5 to 10 kt after midnight. Seas 3 to 5 ft. Patchy fog. .SUN...NE winds 5 to 10 kt. Seas 3 to 5 ft. .SUN NIGHT...E winds around 5 kt, becoming N after midnight. Seas 3 to 5 ft. Patchy fog. Vsby 1 to 3 NM. .MON...NE winds 5 to 10 kt. Seas 4 to 6 ft. Patchy fog. Vsby 1 to 3 NM. .MON NIGHT...NE winds 5 to 10 kt. Seas 4 to 7 ft. .TUE...NE winds 5 to 10 kt. Seas 5 to 7 ft. .TUE NIGHT...E winds 5 to 10 kt. Seas 5 to 8 ft. A chance of showers. .WED...E winds around 10 kt. Seas 6 to 9 ft. A chance of showers. .WED NIGHT...NE winds 5 to 10 kt. Seas 6 to 9 ft. A chance of showers. 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. $$ ANZ237-231200- Block Island Sound- 716 PM EDT Fri Sep 22 2017 ...GALE WARNING IN EFFECT UNTIL 4 AM EDT SATURDAY... .TONIGHT...N winds 20 to 25 kt, diminishing to 15 to 20 kt after midnight. Gusts up to 35 kt. Seas 5 to 8 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM after midnight. .SAT...N winds 15 to 20 kt, diminishing to 10 to 15 kt in the afternoon. Gusts up to 30 kt. Seas 4 to 6 ft. .SAT NIGHT...N winds 5 to 10 kt. Gusts up to 20 kt in the evening. Seas 3 to 5 ft. Patchy fog. .SUN...NE winds 5 to 10 kt, becoming E in the afternoon. Seas 3 to 5 ft. .SUN NIGHT...SE winds around 5 kt, becoming N after midnight. Seas 3 to 5 ft. Patchy fog. .MON...E winds 5 to 10 kt. Seas 4 to 6 ft. .MON NIGHT...NE winds 5 to 10 kt. Seas 4 to 6 ft. .TUE...NE winds 5 to 10 kt. Seas 5 to 8 ft. .TUE NIGHT...E winds 5 to 10 kt. Seas 5 to 8 ft. A chance of showers. .WED...E winds around 10 kt. Seas 6 to 9 ft. .WED NIGHT...NE winds 5 to 10 kt. Seas 6 to 9 ft. A chance of showers. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ230-231200- Boston Harbor- 716 PM EDT Fri Sep 22 2017 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY MORNING... .TONIGHT...NE winds 15 to 20 kt, becoming N 10 to 15 kt after midnight. Gusts up to 35 kt. Waves around 2 ft, except 5 to 8 ft at the outer harbor entrance. Patchy fog. A slight chance of showers this evening. Vsby 1 to 3 NM. .SAT...N winds 10 to 15 kt, becoming NE 5 to 10 kt in the afternoon. Gusts up to 25 kt. Waves around 2 ft, except 3 to 5 ft at the outer harbor entrance. Patchy fog. Vsby 1 to 3 NM. .SAT NIGHT...N winds around 5 kt. Waves 1 foot or less, except 2 to 4 ft at the outer harbor entrance. .SUN...N winds around 5 kt, becoming E around 5 kt in the afternoon. Waves 1 foot or less. .SUN NIGHT...S winds around 5 kt, becoming W after midnight. Waves 1 foot or less. Patchy fog. .MON...NE winds around 5 kt. Waves 1 foot or less. Patchy fog. .MON NIGHT...NE winds around 5 kt. Waves 1 foot or less. .TUE...E winds around 5 kt. Waves 1 foot or less. .TUE NIGHT...E winds around 5 kt. Waves 1 foot or less. .WED...E winds around 5 kt. Waves 1 foot or less. A chance of showers. .WED NIGHT...SW winds around 5 kt. Waves 1 foot or less. A chance of showers. 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. $$ ANZ236-231200- Narragansett Bay- 716 PM EDT Fri Sep 22 2017 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY MORNING... .TONIGHT...N winds 20 to 25 kt with gusts up to 45 kt, diminishing to 15 to 20 kt with gusts up to 30 kt after midnight. Waves around 3 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM. .SAT...N winds 10 to 15 kt with gusts up to 30 kt. Waves 2 to 3 ft. Patchy fog. Vsby 1 to 3 NM. .SAT NIGHT...N winds 5 to 10 kt. Gusts up to 20 kt in the evening. Waves 2 to 3 ft. Patchy fog. .SUN...N winds around 5 kt, becoming E in the afternoon. Waves 2 to 3 ft. .SUN NIGHT...SE winds around 5 kt, becoming N after midnight. Waves 2 to 3 ft. Patchy fog. .MON...NE winds around 5 kt. Waves 2 to 3 ft. Patchy fog. .MON NIGHT...NE winds around 5 kt. Waves 2 to 3 ft. .TUE...NE winds 5 to 10 kt. Waves 2 to 3 ft. .TUE NIGHT...E winds 5 to 10 kt. Waves 2 to 3 ft, except 4 to 7 ft at the bay entrance. A chance of showers. .WED...E winds 5 to 10 kt. Waves 2 to 4 ft, except 4 to 7 ft at the bay entrance. .WED NIGHT...NE winds 5 to 10 kt. Waves 2 to 4 ft, except 4 to 7 ft at the bay entrance. A chance of showers. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ 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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