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 Fri Oct 19 2018 Coastal waters from the Merrimack River MA to Watch Hill RI out to 25 NM ANZ200-191800- 116 AM EDT Fri Oct 19 2018 .Synopsis for Massachusetts and Rhode Island coastal waters... A ridge of high pres will build south of the waters overnight and Fri. Another strong cold front will move across the region late Sat into Sat evening...followed by more gusty NW winds into Sun. A ridge of high pres will build south of the waters Mon. 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. $$ ANZ250-191800- Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- 116 AM EDT Fri Oct 19 2018 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM EDT EARLY THIS MORNING... ...GALE WATCH IN EFFECT FROM THIS EVENING THROUGH SATURDAY MORNING... .REST OF TONIGHT...W winds 10 to 15 kt with gusts up to 25 kt. Seas around 5 ft. .FRI...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 5 ft. .FRI NIGHT...SW winds 15 to 20 kt with gusts up to 35 kt. Seas around 6 ft. .SAT...SW winds 15 to 20 kt with gusts up to 35 kt. Seas 5 to 6 ft. .SAT NIGHT...NW winds 10 to 15 kt with gusts up to 25 kt. Seas 4 to 5 ft. .SUN...NW winds 20 to 25 kt. Seas around 6 ft, building to 8 ft in the afternoon. .SUN NIGHT...NW winds 20 to 25 kt, diminishing to 15 to 20 kt after midnight. Seas 7 to 8 ft. .MON...NW winds 15 to 20 kt, becoming W 10 to 15 kt in the afternoon. Seas 4 to 5 ft. .MON NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft. .TUE...SW winds 10 to 15 kt with gusts up to 20 kt. Seas around 4 ft. .TUE NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas around 4 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ251-191800- Massachusetts Bay and Ipswich Bay- 116 AM EDT Fri Oct 19 2018 ...GALE WATCH IN EFFECT FROM THIS EVENING THROUGH SATURDAY MORNING... .REST OF TONIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. .FRI...SW winds 10 to 15 kt with gusts up to 25 kt. Seas around 3 ft. .FRI NIGHT...SW winds 15 to 20 kt with gusts up to 35 kt. Seas around 4 ft. .SAT...SW winds 15 to 20 kt, diminishing to 10 to 15 kt in the afternoon. Gusts up to 30 kt. Seas 3 to 4 ft. .SAT NIGHT...NW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. .SUN...NW winds 15 to 20 kt with gusts up to 25 kt. Seas around 3 ft, building to 5 ft in the afternoon. .SUN NIGHT...NW winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Gusts up to 25 kt. Seas 4 to 5 ft. Patchy frost after midnight. .MON...W winds 10 to 15 kt. Gusts up to 20 kt in the morning. Seas around 3 ft. Patchy frost in the morning. .MON NIGHT...SW winds 5 to 10 kt. Gusts up to 20 kt after midnight. Seas around 2 ft. .TUE...SW winds 5 to 10 kt. Gusts up to 20 kt in the morning. Seas around 2 ft. .TUE NIGHT...W winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt 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. $$ ANZ231-191800- Cape Cod Bay- 116 AM EDT Fri Oct 19 2018 ...GALE WATCH IN EFFECT FROM THIS EVENING THROUGH SATURDAY MORNING... .REST OF TONIGHT...W winds 10 to 15 kt with gusts up to 25 kt. Seas around 3 ft. .FRI...W winds 10 to 15 kt, becoming SW 15 to 20 kt in the afternoon. Gusts up to 30 kt. Seas around 4 ft. .FRI NIGHT...SW winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Gusts up to 30 kt. Seas around 5 ft. A chance of showers after midnight. .SAT...SW winds 15 to 20 kt, diminishing to 10 to 15 kt in the afternoon. Gusts up to 30 kt. Seas 4 to 5 ft. A chance of showers in the morning. .SAT NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. A chance of showers. .SUN...NW winds 15 to 20 kt, increasing to 20 to 25 kt in the afternoon. Seas 4 to 5 ft. .SUN NIGHT...NW winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 5 ft. .MON...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .MON NIGHT...W winds around 10 kt. Seas around 2 ft. .TUE...SW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. .TUE NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas around 3 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ254-191800- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm- 116 AM EDT Fri Oct 19 2018 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM EDT EARLY THIS MORNING... ...GALE WATCH IN EFFECT FROM THIS EVENING THROUGH SATURDAY MORNING... .REST OF TONIGHT...NW winds 10 to 15 kt with gusts up to 25 kt. Seas around 6 ft. .FRI...W winds 10 to 15 kt, becoming SW 15 to 20 kt in the afternoon. Gusts up to 30 kt. Seas around 4 ft, building to 6 ft in the afternoon. .FRI NIGHT...SW winds 15 to 20 kt with gusts up to 35 kt. Seas around 7 ft. A chance of showers after midnight. .SAT...SW winds 15 to 20 kt with gusts up to 30 kt. Seas around 6 ft. A chance of showers in the morning. .SAT NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas around 6 ft. A chance of showers. .SUN...NW winds 15 to 20 kt, increasing to 20 to 25 kt in the afternoon. Gusts up to 30 kt. Seas around 7 ft, building to 9 ft in the afternoon. A chance of showers in the morning. .SUN NIGHT...NW 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. .MON...NW winds 15 to 20 kt, becoming W 10 to 15 kt in the afternoon. Seas around 6 ft, subsiding to 4 ft in the afternoon. .MON NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas around 4 ft. .TUE...SW winds 10 to 15 kt with gusts up to 20 kt. Seas around 5 ft. .TUE NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas around 5 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. $$ ANZ255-191800- Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- 116 AM EDT Fri Oct 19 2018 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM EDT EARLY THIS MORNING... ...GALE WATCH IN EFFECT FROM THIS EVENING THROUGH SATURDAY MORNING... .REST OF TONIGHT...NW winds 10 to 15 kt with gusts up to 25 kt. Seas around 5 ft. .FRI...W winds 10 to 15 kt with gusts up to 20 kt, becoming SW 15 to 20 kt with gusts up to 30 kt in the afternoon. Seas around 4 ft, building to 7 ft in the afternoon. .FRI NIGHT...SW winds 15 to 20 kt with gusts up to 35 kt. Seas 8 to 9 ft. A chance of showers after midnight. .SAT...SW winds 15 to 20 kt with gusts up to 35 kt. Seas 8 to 9 ft. A chance of showers. .SAT NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 7 to 8 ft. A chance of showers. .SUN...NW winds 15 to 20 kt, increasing to 20 to 25 kt in the afternoon. Seas around 7 ft. A chance of showers in the morning. .SUN NIGHT...NW winds 15 to 20 kt with gusts up to 25 kt. Seas 6 to 7 ft. .MON...NW winds around 15 kt with gusts up to 20 kt. Seas 4 to 5 ft. .MON NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 5 ft. .TUE...SW winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Gusts up to 25 kt. Seas 6 to 7 ft. .TUE NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 6 to 7 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ256-191800- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 116 AM EDT Fri Oct 19 2018 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM EDT EARLY THIS MORNING... ...GALE WATCH IN EFFECT FROM THIS EVENING THROUGH SATURDAY MORNING... .REST OF TONIGHT...NW winds 10 to 15 kt with gusts up to 25 kt. Seas around 4 ft. .FRI...W winds 15 to 20 kt, becoming SW 20 to 25 kt in the afternoon. Gusts up to 30 kt. Seas around 4 ft, building to 7 ft in the afternoon. .FRI NIGHT...SW winds 20 to 25 kt with gusts up to 35 kt. Seas 8 to 9 ft. A chance of showers after midnight. .SAT...SW winds 15 to 20 kt with gusts up to 35 kt. Seas around 9 ft. A chance of showers in the morning. .SAT NIGHT...W winds 10 to 15 kt, becoming NW 15 to 20 kt after midnight. Seas 7 to 8 ft. A chance of showers. .SUN...NW winds 20 to 25 kt. Seas around 7 ft. .SUN NIGHT...NW winds 20 to 25 kt, diminishing to 15 to 20 kt after midnight. Gusts up to 30 kt. Seas around 7 ft, subsiding to 5 ft after midnight. .MON...W winds 10 to 15 kt with gusts up to 20 kt. Seas around 4 ft. .MON NIGHT...W winds 10 to 15 kt with gusts up to 25 kt. Seas 4 to 5 ft. .TUE...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 6 to 7 ft. .TUE NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 6 to 7 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. $$ ANZ232-191800- Nantucket Sound- 116 AM EDT Fri Oct 19 2018 ...GALE WATCH IN EFFECT FROM THIS EVENING THROUGH SATURDAY MORNING... .REST OF TONIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. .FRI...W winds 10 to 15 kt with gusts up to 20 kt, becoming SW 15 to 20 kt with gusts up to 30 kt in the afternoon. Seas 3 to 4 ft. .FRI NIGHT...SW winds 15 to 20 kt with gusts up to 35 kt. Seas 4 to 5 ft. A chance of showers after midnight. .SAT...SW winds 15 to 20 kt with gusts up to 35 kt. Seas 4 to 5 ft. A chance of showers. .SAT NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft. A chance of showers. .SUN...NW winds 15 to 20 kt with gusts up to 25 kt. Seas around 4 ft. A chance of showers in the morning. .SUN NIGHT...NW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 4 ft. .MON...W winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. .MON NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .TUE...SW winds 10 to 15 kt with gusts up to 25 kt. Seas around 4 ft. .TUE NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas around 3 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ233-191800- Vineyard Sound- 116 AM EDT Fri Oct 19 2018 ...GALE WATCH IN EFFECT FROM THIS EVENING THROUGH SATURDAY MORNING... .REST OF TONIGHT...NW winds 10 to 15 kt with gusts up to 25 kt. Seas around 3 ft. .FRI...W winds 10 to 15 kt with gusts up to 20 kt, becoming SW 15 to 20 kt with gusts up to 30 kt in the afternoon. Seas around 3 ft, building to 5 ft in the afternoon. .FRI NIGHT...SW winds 15 to 20 kt with gusts up to 35 kt. Seas 6 to 7 ft. A chance of showers after midnight. .SAT...SW winds 15 to 20 kt with gusts up to 35 kt. Seas 6 to 7 ft. A chance of showers in the morning. .SAT NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 5 ft. A chance of showers. .SUN...NW winds 15 to 20 kt with gusts up to 25 kt. Seas around 3 ft. .SUN NIGHT...NW winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to 3 ft. .MON...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .MON NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas around 3 ft. .TUE...SW winds 10 to 15 kt with gusts up to 25 kt. Seas around 4 ft. .TUE NIGHT...W winds 10 to 15 kt with gusts up to 20 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. $$ ANZ234-191800- Buzzards Bay- 116 AM EDT Fri Oct 19 2018 ...GALE WATCH IN EFFECT FROM THIS EVENING THROUGH SATURDAY MORNING... .REST OF TONIGHT...NW winds 5 to 10 kt with gusts up to 25 kt. Seas around 3 ft. .FRI...W winds 10 to 15 kt with gusts up to 20 kt, becoming SW 15 to 20 kt with gusts up to 30 kt in the afternoon. Seas around 2 ft, building to 4 ft in the afternoon. .FRI NIGHT...SW winds 15 to 20 kt with gusts up to 35 kt. Seas 5 to 6 ft. A chance of showers after midnight. .SAT...SW winds 15 to 20 kt with gusts up to 35 kt. Seas around 5 ft. A chance of showers in the morning. .SAT NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft. A chance of showers. .SUN...NW winds 15 to 20 kt with gusts up to 25 kt. Seas around 3 ft. .SUN NIGHT...NW winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Gusts up to 25 kt. Seas 2 to 3 ft. .MON...W winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. .MON NIGHT...SW winds 5 to 10 kt with gusts up to 20 kt. Seas around 2 ft. .TUE...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 4 ft. .TUE NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ235-191800- Rhode Island Sound- 116 AM EDT Fri Oct 19 2018 ...GALE WATCH IN EFFECT FROM THIS EVENING THROUGH SATURDAY MORNING... .REST OF TONIGHT...NW winds 10 to 15 kt with gusts up to 25 kt. Seas around 3 ft. .FRI...W winds 15 to 20 kt, becoming SW 20 to 25 kt with gusts up to 30 kt in the afternoon. Seas around 4 ft, building to 6 ft in the afternoon. .FRI NIGHT...SW winds 20 to 25 kt with gusts up to 35 kt. Seas around 7 ft, building to 9 ft after midnight. A chance of showers after midnight. .SAT...SW winds 20 to 25 kt, diminishing to 15 to 20 kt in the afternoon. Gusts up to 35 kt, decreasing to 30 kt in the afternoon. Seas around 9 ft, subsiding to 7 ft in the afternoon. A chance of showers in the morning. .SAT NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 5 to 6 ft. A chance of showers. .SUN...NW winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 5 ft. .SUN NIGHT...NW winds 15 to 20 kt with gusts up to 30 kt. Seas around 5 ft, subsiding to 3 ft after midnight. .MON...W winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft. .MON NIGHT...W winds 10 to 15 kt with gusts up to 25 kt. Seas around 4 ft. .TUE...SW winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Gusts up to 25 kt. Seas 5 to 6 ft. .TUE NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 5 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. $$ ANZ237-191800- Block Island Sound- 116 AM EDT Fri Oct 19 2018 ...GALE WATCH IN EFFECT FROM THIS EVENING THROUGH SATURDAY MORNING... .REST OF TONIGHT...NW winds 5 to 10 kt with gusts up to 20 kt. Seas around 2 ft. .FRI...W winds 10 to 15 kt, becoming SW 15 to 20 kt in the afternoon. Gusts up to 25 kt. Seas around 3 ft, building to 5 ft in the afternoon. .FRI NIGHT...SW winds 15 to 20 kt with gusts up to 35 kt. Seas around 6 ft, building to 8 ft after midnight. A chance of showers after midnight. .SAT...SW winds 15 to 20 kt with gusts up to 35 kt. Seas around 8 ft, subsiding to 6 ft in the afternoon. A chance of showers in the morning. .SAT NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas around 5 ft. A chance of showers. .SUN...NW winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 5 ft. .SUN NIGHT...NW winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Gusts up to 25 kt. Seas around 5 ft, subsiding to 3 ft after midnight. .MON...W winds 10 to 15 kt with gusts up to 20 kt. Seas around 3 ft. .MON NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft. .TUE...SW winds 10 to 15 kt with gusts up to 25 kt. Seas around 5 ft. .TUE NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas around 4 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ230-191800- Boston Harbor- 116 AM EDT Fri Oct 19 2018 .REST OF TONIGHT...W winds 5 to 10 kt. Waves 1 foot or less. .FRI...SW winds 10 to 15 kt with gusts up to 25 kt. Waves around 2 ft. .FRI NIGHT...SW winds 10 to 15 kt with gusts up to 30 kt. Waves around 2 ft. .SAT...SW winds 10 to 15 kt with gusts up to 25 kt. Waves around 2 ft. .SAT NIGHT...NW winds 5 to 10 kt with gusts up to 20 kt. Waves 1 foot or less, then around 2 ft after midnight. .SUN...NW winds 10 to 15 kt with gusts up to 25 kt. Waves around 2 ft. .SUN NIGHT...NW winds 10 to 15 kt with gusts up to 25 kt. Waves around 2 ft. Patchy frost after midnight. .MON...W winds around 10 kt. Waves 1 foot or less. Patchy frost in the morning. .MON NIGHT...SW winds 5 to 10 kt. Waves 1 foot or less. .TUE...SW winds 5 to 10 kt. Waves 1 foot or less. .TUE NIGHT...W winds 5 to 10 kt. 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. $$ ANZ236-191800- Narragansett Bay- 116 AM EDT Fri Oct 19 2018 .REST OF TONIGHT...W winds 5 to 10 kt with gusts up to 20 kt. Waves 1 foot or less. .FRI...SW winds 10 to 15 kt with gusts up to 25 kt. Waves around 2 ft, building to 4 ft in the afternoon. .FRI NIGHT...SW winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Gusts up to 30 kt. Waves 5 to 6 ft. A chance of showers after midnight. .SAT...SW winds 10 to 15 kt with gusts up to 30 kt. Waves around 6 ft, subsiding to 4 ft in the afternoon. .SAT NIGHT...NW winds around 10 kt with gusts up to 20 kt. Waves 3 to 4 ft. A chance of showers. .SUN...NW winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Gusts up to 25 kt. Waves around 3 ft. .SUN NIGHT...NW winds 10 to 15 kt with gusts up to 25 kt. Waves 2 to 3 ft. .MON...W winds around 10 kt. Waves around 2 ft. Patchy frost in the morning. .MON NIGHT...SW winds 5 to 10 kt. Gusts up to 20 kt after midnight. Waves around 2 ft. .TUE...SW winds 10 to 15 kt with gusts up to 20 kt. Waves around 3 ft. .TUE NIGHT...W winds around 10 kt. Gusts up to 20 kt in the evening. Waves 2 to 3 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ 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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