Coastal Waters Forecast
Issued by NWS Boston, MA

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492 FZUS51 KBOX 222054 CWFBOX Coastal Waters Forecast National Weather Service Taunton MA 454 PM EDT Fri Sep 22 2017 COASTAL WATERS FROM THE MERRIMACK RIVER MA TO WATCH HILL RI OUT TO 25 NM ANZ200-230915- 454 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. $$ ANZ250-230915- Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- 454 PM EDT Fri Sep 22 2017 ...GALE WARNING IN EFFECT UNTIL 11 PM EDT THIS EVENING... .TONIGHT...NE winds 20 to 25 kt, diminishing to 15 to 20 kt after midnight. Gusts up to 30 kt. Seas around 13 ft, subsiding to 10 ft after midnight. Patchy fog. Showers likely this evening. A chance of showers after midnight. Vsby 1 to 3 NM. .SAT...N winds 15 to 20 kt, becoming NE 10 to 15 kt in the afternoon. Gusts up to 30 kt. Seas 7 to 8 ft. Patchy fog in the morning with vsby 1 to 3 NM. .SAT NIGHT...NE winds 5 to 10 kt, becoming N after midnight. Seas 4 to 5 ft. Patchy fog after midnight. .SUN...N winds around 5 kt, becoming E in the afternoon. Seas 3 to 4 ft. .SUN NIGHT...S winds around 5 kt. Seas around 3 ft. Patchy fog. Vsby 1 to 3 NM after midnight. .MON...NE winds around 5 kt. Seas around 4 ft. Patchy fog in the morning with vsby 1 to 3 NM. .MON NIGHT...E winds around 5 kt. Seas around 4 ft. .TUE...E winds around 5 kt. Seas 3 to 4 ft. .TUE NIGHT...E winds 5 to 10 kt. Seas around 4 ft. A chance of showers after midnight. .WED...E winds 5 to 10 kt. Seas around 4 ft. A chance of showers. .WED NIGHT...SE winds 5 to 10 kt, becoming SW after midnight. Seas around 4 ft. A chance of showers. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ251-230915- Massachusetts Bay and Ipswich Bay- 454 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 30 kt. Seas around 12 ft, subsiding to 10 ft after midnight. Patchy fog. Showers this evening. A chance of showers after midnight. Vsby 1 to 3 NM. .SAT...N winds 15 to 20 kt, becoming NE 10 to 15 kt in the afternoon. Gusts up to 25 kt. Seas around 8 ft, subsiding to 6 ft in the afternoon. Patchy fog in the morning with vsby 1 to 3 NM. .SAT NIGHT...NE winds 5 to 10 kt, becoming N after midnight. Seas 3 to 4 ft. Patchy fog after midnight with 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 after midnight. .MON...NE winds 5 to 10 kt. Seas around 2 ft. Patchy fog in the morning with vsby 1 to 3 NM. .MON NIGHT...E winds around 5 kt. Seas around 3 ft. .TUE...E winds around 5 kt. Seas around 2 ft. .TUE NIGHT...E winds 5 to 10 kt. Seas around 2 ft. .WED...E winds 5 to 10 kt. Seas around 2 ft. A chance of showers in the afternoon. .WED NIGHT...SE winds 5 to 10 kt, becoming SW after midnight. 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. $$ ANZ231-230915- Cape Cod Bay- 454 PM EDT Fri Sep 22 2017 ...GALE WARNING IN EFFECT UNTIL 11 PM EDT THIS EVENING... .TONIGHT...NE winds 20 to 25 kt, diminishing to 15 to 20 kt after midnight. Gusts up to 30 kt. Seas around 9 ft, subsiding to 7 ft after midnight. Patchy fog. Showers. Vsby 1 NM or less, increasing to 1 to 3 NM after midnight. .SAT...N winds 10 to 15 kt with gusts up to 30 kt. Seas 4 to 5 ft. Patchy fog in the morning. A chance of showers in the morning with vsby 1 to 3 NM. .SAT NIGHT...N winds 5 to 10 kt. Seas 2 to 3 ft. Patchy fog. .SUN...NE winds 5 to 10 kt. Seas around 2 ft. Patchy fog in the morning. .SUN NIGHT...SE winds around 5 kt. Seas around 2 ft. Patchy fog. .MON...NE winds around 5 kt. Seas around 2 ft. Patchy fog in the morning with vsby 1 to 3 NM. .MON NIGHT...E winds around 5 kt. Seas around 2 ft. A chance of showers after midnight. .TUE...E winds 5 to 10 kt. Seas around 2 ft. A chance of showers in the morning. .TUE NIGHT...E winds 5 to 10 kt. Seas around 2 ft. A chance of showers after midnight. .WED...E winds 5 to 10 kt. Seas around 2 ft. A chance of showers. .WED NIGHT...SE winds 5 to 10 kt, becoming SW after midnight. Seas around 2 ft. A chance of showers. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ254-230915- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm- 454 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 around 13 ft, subsiding to 10 ft after midnight. Patchy fog. Showers. Vsby 1 NM or less, increasing to 1 to 3 NM after midnight. .SAT...NE winds 15 to 20 kt with gusts up to 30 kt. Seas 7 to 8 ft. Patchy fog. A chance of showers in the morning. Vsby 1 to 3 NM. .SAT NIGHT...NE winds 10 to 15 kt with gusts up to 20 kt, becoming N 5 to 10 kt after midnight. Seas 5 to 6 ft. Patchy fog. Vsby 1 to 3 NM. .SUN...NE winds 5 to 10 kt. Gusts up to 20 kt in the morning. Seas around 5 ft. Patchy fog. Vsby 1 to 3 NM in the afternoon. .SUN NIGHT...E winds 5 to 10 kt, diminishing to around 5 kt after midnight. Seas around 6 ft. Patchy fog. Vsby 1 to 3 NM. .MON...NE winds 5 to 10 kt. Seas around 7 ft. Patchy fog in the morning with vsby 1 to 3 NM. .MON NIGHT...E winds 5 to 10 kt. Seas around 7 ft. A chance of showers after midnight. .TUE...E winds 5 to 10 kt. Seas 7 to 8 ft. A chance of showers in the morning. .TUE NIGHT...E winds 5 to 10 kt. Seas 8 to 9 ft. A chance of showers after midnight. .WED...E winds 5 to 10 kt. Seas around 9 ft. A chance of showers. .WED NIGHT...SE winds 5 to 10 kt, becoming S after midnight. Seas 9 to 10 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. $$ ANZ255-230915- Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- 454 PM EDT Fri Sep 22 2017 ...GALE WARNING IN EFFECT THROUGH SATURDAY MORNING... .TONIGHT...NE winds 25 to 30 kt, diminishing to 20 to 25 kt after midnight. Gusts up to 40 kt. Seas around 11 ft, subsiding to 9 ft after midnight. Patchy fog. Showers. Vsby 1 to 3 NM. .SAT...N winds 15 to 20 kt with gusts up to 30 kt. Seas 7 to 8 ft. Patchy fog. A chance of showers in the morning. Vsby 1 to 3 NM. .SAT NIGHT...N winds 10 to 15 kt with gusts up to 25 kt. Seas around 7 ft, subsiding to 5 ft after midnight. Patchy fog. Vsby 1 to 3 NM. .SUN...N winds 10 to 15 kt, becoming NE 5 to 10 kt in the afternoon. Gusts up to 20 kt. Seas around 5 ft. Patchy fog. Vsby 1 to 3 NM. .SUN NIGHT...NE winds 5 to 10 kt, diminishing to around 5 kt after midnight. Seas 6 to 7 ft. Patchy fog. Vsby 1 to 3 NM. .MON...NE winds 5 to 10 kt. Seas 7 to 8 ft. Patchy fog in the morning with vsby 1 to 3 NM. .MON NIGHT...NE winds 5 to 10 kt. Seas around 8 ft. A chance of showers after midnight. .TUE...E winds 5 to 10 kt. Seas around 9 ft. A chance of showers. .TUE NIGHT...E winds around 10 kt. Seas around 10 ft. A chance of showers after midnight. .WED...E winds 10 to 15 kt. Seas 10 to 11 ft. A chance of showers. .WED NIGHT...SE winds 10 to 15 kt. Seas around 11 ft. A chance of showers. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ256-230915- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 454 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 10 to 11 ft. Patchy fog. Showers this evening. A chance of showers after midnight. Vsby 1 to 3 NM. .SAT...N winds 15 to 20 kt with gusts up to 35 kt. Seas 8 to 9 ft. Patchy fog in the morning with vsby 1 to 3 NM. .SAT NIGHT...NE winds 10 to 15 kt, becoming N 5 to 10 kt after midnight. Gusts up to 25 kt. Seas around 7 ft, subsiding to 5 ft after midnight. Patchy fog after midnight. .SUN...NE winds 5 to 10 kt. Gusts up to 20 kt in the morning. Seas around 6 ft. .SUN NIGHT...NE winds 5 to 10 kt. Seas around 6 ft. Patchy fog after midnight with vsby 1 to 3 NM. .MON...NE winds 5 to 10 kt. Seas 7 to 8 ft. Patchy fog in the morning with vsby 1 to 3 NM. .MON NIGHT...NE winds 5 to 10 kt. Seas 8 to 9 ft. A chance of showers after midnight. .TUE...NE winds around 10 kt. Seas around 9 ft. .TUE NIGHT...E winds around 10 kt. Seas around 10 ft. A chance of showers after midnight. .WED...E winds 10 to 15 kt. Seas around 11 ft. .WED NIGHT...NE winds 5 to 10 kt. Seas around 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. $$ ANZ232-230915- Nantucket Sound- 454 PM EDT Fri Sep 22 2017 ...GALE WARNING IN EFFECT UNTIL 11 PM EDT THIS EVENING... .TONIGHT...NE winds 25 to 35 kt, diminishing to 15 to 20 kt after midnight. Seas 5 to 6 ft. Patchy fog. Showers. Vsby 1 NM or less, increasing to 1 to 3 NM after midnight. .SAT...N winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to 4 ft. Patchy fog. A chance of showers in the morning. Vsby 1 to 3 NM. .SAT NIGHT...N winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt after midnight. Seas around 3 ft. Patchy fog. Vsby 1 to 3 NM after midnight. .SUN...NE winds 5 to 10 kt. Gusts up to 20 kt in the morning. Seas around 3 ft. Patchy fog in the morning with vsby 1 to 3 NM. .SUN NIGHT...NE winds around 5 kt. Seas around 3 ft. Patchy fog. Vsby 1 to 3 NM. .MON...NE winds 5 to 10 kt. Seas around 3 ft. Patchy fog in the morning with vsby 1 to 3 NM. .MON NIGHT...E winds 5 to 10 kt. Seas around 4 ft. A chance of showers after midnight. .TUE...E winds 5 to 10 kt. Seas around 4 ft. A chance of showers in the morning. .TUE NIGHT...E winds 5 to 10 kt. Seas around 4 ft. A chance of showers after midnight. .WED...E winds 5 to 10 kt. Seas around 5 ft. A chance of showers. .WED NIGHT...SE winds 5 to 10 kt, becoming S after midnight. Seas around 5 ft. A chance of showers. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ233-230915- Vineyard Sound- 454 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 5 to 6 ft. Patchy fog. Showers. Vsby 1 to 3 NM. .SAT...N winds 15 to 20 kt, diminishing to 10 to 15 kt in the afternoon. Gusts up to 30 kt. Seas 4 to 5 ft. Patchy fog in the morning. A chance of showers in the morning with vsby 1 to 3 NM. .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 after midnight. .SUN...NE winds 5 to 10 kt. Seas around 3 ft. Patchy fog in the morning with vsby 1 to 3 NM. .SUN NIGHT...NE winds around 5 kt. Seas around 3 ft. Patchy fog. Vsby 1 to 3 NM after midnight. .MON...NE winds 5 to 10 kt. Seas around 4 ft. Patchy fog in the morning with vsby 1 to 3 NM. .MON NIGHT...NE winds 5 to 10 kt. Seas around 4 ft. A chance of showers after midnight. .TUE...NE winds 5 to 10 kt. Seas around 5 ft. .TUE NIGHT...E winds 5 to 10 kt. Seas around 5 ft. A chance of showers after midnight. .WED...E winds around 10 kt. Seas 5 to 6 ft. A chance of showers. .WED NIGHT...E winds around 10 kt, becoming N after midnight. Seas around 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. $$ ANZ234-230915- Buzzards Bay- 454 PM EDT Fri Sep 22 2017 ...GALE WARNING IN EFFECT UNTIL 11 PM EDT THIS EVENING... .TONIGHT...N winds 20 to 25 kt, diminishing to 15 to 20 kt after midnight. Gusts up to 35 kt. Seas around 5 ft. Patchy fog. Showers. Vsby 1 to 3 NM. .SAT...N winds 15 to 20 kt, diminishing to 10 to 15 kt in the afternoon. Gusts up to 30 kt. Seas 4 to 5 ft. Patchy fog in the morning. A chance of showers in the morning with vsby 1 to 3 NM. .SAT NIGHT...N winds 5 to 10 kt. Gusts up to 20 kt in the evening. Seas around 2 ft. Patchy fog after midnight with vsby 1 to 3 NM. .SUN...NE winds 5 to 10 kt. Seas around 2 ft. Patchy fog in the morning with vsby 1 to 3 NM. .SUN NIGHT...E winds around 5 kt, becoming N after midnight. Seas 2 to 3 ft. Patchy fog after midnight. .MON...NE winds around 5 kt, increasing to 5 to 10 kt in the afternoon. Seas around 3 ft. Patchy fog in the morning. .MON NIGHT...NE winds 5 to 10 kt. Seas around 3 ft. .TUE...NE winds 5 to 10 kt. Seas 3 to 4 ft. .TUE NIGHT...E winds 5 to 10 kt. Seas around 3 ft. A chance of showers after midnight. .WED...E winds 5 to 10 kt. Seas around 4 ft. A chance of showers. .WED NIGHT...E winds 5 to 10 kt, becoming NW after midnight. Seas around 4 ft. A chance of showers. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ235-230915- Rhode Island Sound- 454 PM EDT Fri Sep 22 2017 ...GALE WARNING IN EFFECT UNTIL 4 AM EDT SATURDAY... .TONIGHT...N winds 25 to 35 kt, diminishing to 20 to 25 kt after midnight. Seas 6 to 7 ft. Patchy fog. Showers this evening. A chance of showers after midnight. Vsby 1 to 3 NM. .SAT...N winds 15 to 20 kt with gusts up to 30 kt. Seas around 6 ft. Patchy fog in the morning with vsby 1 to 3 NM. .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 5 ft. Patchy fog. .SUN...NE winds 5 to 10 kt. Seas around 4 ft. .SUN NIGHT...E winds around 5 kt, becoming N after midnight. Seas around 5 ft. Patchy fog after midnight with vsby 1 to 3 NM. .MON...NE winds 5 to 10 kt. Seas 5 to 6 ft. Patchy fog in the morning with vsby 1 to 3 NM. .MON NIGHT...NE winds 5 to 10 kt. Seas 6 to 7 ft. .TUE...NE winds 5 to 10 kt. Seas around 7 ft. .TUE NIGHT...E winds 5 to 10 kt. Seas around 8 ft. A chance of showers after midnight. .WED...E winds around 10 kt. Seas around 9 ft. A chance of showers in the afternoon. .WED NIGHT...E winds around 10 kt, becoming N after midnight. Seas around 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. $$ ANZ237-230915- Block Island Sound- 454 PM EDT Fri Sep 22 2017 ...GALE WARNING IN EFFECT UNTIL 4 AM EDT SATURDAY... .TONIGHT...N winds 20 to 25 kt, diminishing to 15 to 20 kt after midnight. Gusts up to 35 kt. Seas around 7 ft. Patchy fog. A chance of showers, mainly this evening with vsby 1 to 3 NM. .SAT...N winds 15 to 20 kt, diminishing to 10 to 15 kt in the afternoon. Gusts up to 30 kt. Seas around 6 ft. Patchy fog in the morning with vsby 1 to 3 NM. .SAT NIGHT...N winds 5 to 10 kt. Gusts up to 20 kt in the evening. Seas 4 to 5 ft. Patchy fog after midnight. .SUN...NE winds 5 to 10 kt, becoming E in the afternoon. Seas around 4 ft. Patchy fog in the morning. .SUN NIGHT...SE winds around 5 kt, becoming N after midnight. Seas around 5 ft. Patchy fog after midnight. .MON...E winds 5 to 10 kt. Seas 5 to 6 ft. .MON NIGHT...NE winds 5 to 10 kt. Seas 6 to 7 ft. .TUE...NE winds 5 to 10 kt. Seas around 7 ft. .TUE NIGHT...E winds 5 to 10 kt. Seas around 8 ft. A chance of showers after midnight. .WED...E winds around 10 kt. Seas around 9 ft. .WED NIGHT...E winds 5 to 10 kt, becoming N after midnight. Seas around 9 ft. A chance of showers. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ230-230915- Boston Harbor- 454 PM EDT Fri Sep 22 2017 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY MORNING... .TONIGHT...NE winds 20 to 25 kt, becoming N 15 to 20 kt after midnight. Gusts up to 30 kt. Waves around 2 ft. At the outer harbor entrance, waves around 10 ft, subsiding to 8 ft after midnight. Patchy fog. Showers this evening. A chance of showers after midnight. 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. At the outer harbor entrance, waves around 7 ft, subsiding to 5 ft in the afternoon. Patchy fog in the morning with vsby 1 to 3 NM. .SAT NIGHT...N winds around 5 kt. Waves 1 foot or less. At the outer harbor entrance, waves around 4 ft, subsiding to 2 ft after midnight. .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 after midnight. .MON...NE winds around 5 kt. Waves 1 foot or less. Patchy fog in the morning. .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 in the afternoon. .WED NIGHT...SE winds around 5 kt, becoming W after midnight. Waves 1 foot or less. A chance of showers in the evening. 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. $$ ANZ236-230915- Narragansett Bay- 454 PM EDT Fri Sep 22 2017 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY MORNING... .TONIGHT...N winds 20 to 25 kt, diminishing to 15 to 20 kt after midnight. Gusts up to 30 kt. Waves around 3 ft. Patchy fog. Showers likely this evening. A chance of showers after midnight. Vsby 1 to 3 NM. .SAT...N winds 10 to 15 kt with gusts up to 30 kt. Waves around 3 ft. Patchy fog in the morning with vsby 1 to 3 NM. .SAT NIGHT...N winds 5 to 10 kt. Gusts up to 20 kt in the evening. Waves 2 to 3 ft. Patchy fog after midnight. .SUN...N winds around 5 kt, becoming E in the afternoon. Waves around 3 ft. .SUN NIGHT...SE winds around 5 kt, becoming N after midnight. Waves around 3 ft. Patchy fog after midnight. .MON...NE winds around 5 kt. Waves around 3 ft. Patchy fog in the morning. .MON NIGHT...NE winds around 5 kt. Waves around 3 ft. .TUE...NE winds 5 to 10 kt. Waves around 3 ft. .TUE NIGHT...E winds 5 to 10 kt. Waves around 3 ft, except up to 6 ft at the bay entrance. A chance of showers after midnight. .WED...E winds 5 to 10 kt. Waves 3 to 4 ft, except 6 to 7 ft at the bay entrance. .WED NIGHT...E winds 5 to 10 kt, becoming NW after midnight. Waves 3 to 4 ft, except up to 6 ft at the bay entrance. A chance of showers. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ 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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