684 FZUS51 KBOX 250030 CWFBOX Coastal Waters Forecast National Weather Service Boston/Norton MA 830 PM EDT Fri May 24 2019 Coastal waters from the Merrimack River MA to Watch Hill RI out to 25 NM ANZ200-251315- 830 PM EDT Fri May 24 2019 .Synopsis for Massachusetts and Rhode Island coastal waters... High pres builds across New England tonight, then across the waters Sat. Another cold front moves across the waters Sat night, with another weak system moving across late Sunday. High pres builds across on Mon, with another system approaching Tue. 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. $$ ANZ250-251315- Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- 830 PM EDT Fri May 24 2019 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 PM EDT THIS EVENING... .TONIGHT...N winds 15 to 20 kt with gusts up to 45 kt, becoming NW 5 to 10 kt after midnight. Seas around 7 ft, subsiding to 3 ft after midnight. .SAT...NW winds 5 to 10 kt, becoming S in the afternoon. Seas around 3 ft. .SAT NIGHT...S winds 10 to 15 kt. Gusts up to 25 kt after midnight. Seas 4 to 5 ft. Showers after midnight. .SUN...S winds 10 to 15 kt with gusts up to 25 kt, diminishing to 5 to 10 kt in the afternoon. Seas 5 to 6 ft. A chance of showers. A chance of tstms in the afternoon. Vsby 1 to 3 NM in the morning. .SUN NIGHT...SW winds 5 to 10 kt, becoming NW after midnight. Seas around 4 ft. .MON...N winds 5 to 10 kt, becoming NE in the afternoon. Seas around 3 ft. .MON NIGHT...SE winds 5 to 10 kt, becoming NE after midnight. Seas around 3 ft. A chance of showers after midnight. .TUE...E winds 5 to 10 kt, becoming SE 10 to 15 kt in the afternoon. Seas around 3 ft. A chance of showers in the morning, then showers likely in the afternoon. .TUE NIGHT...S winds 10 to 15 kt. Gusts up to 20 kt in the evening. Seas around 3 ft. A chance of showers. .WED...S winds around 10 kt. Seas 3 to 4 ft. A chance of showers and tstms. .WED NIGHT...S winds 10 to 15 kt. Seas around 4 ft. A chance of showers and tstms. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ251-251315- Massachusetts Bay and Ipswich Bay- 830 PM EDT Fri May 24 2019 .TONIGHT...NE winds 15 to 20 kt with gusts up to 40 kt, becoming NW 5 to 10 kt after midnight. Seas around 5 ft, subsiding to 3 ft after midnight. .SAT...NW winds around 5 kt, becoming SE in the afternoon. Seas around 3 ft. .SAT NIGHT...S winds 10 to 15 kt. Gusts up to 25 kt after midnight. Seas around 4 ft. A chance of showers in the evening, then showers after midnight. .SUN...SW winds 5 to 10 kt. Gusts up to 20 kt in the morning. Seas 3 to 4 ft. A chance of showers. A chance of tstms in the afternoon. Vsby 1 to 3 NM in the morning. .SUN NIGHT...NW winds 5 to 10 kt. Seas around 3 ft. .MON...N winds 5 to 10 kt, becoming E in the afternoon. Seas around 3 ft. .MON NIGHT...SE winds around 5 kt, becoming NE after midnight. Seas around 2 ft. A chance of showers after midnight. .TUE...SE winds 5 to 10 kt. Seas around 2 ft. A chance of showers. .TUE NIGHT...S winds 10 to 15 kt, diminishing to 5 to 10 kt after midnight. Seas 2 to 3 ft. A chance of showers. .WED...SW winds 5 to 10 kt, becoming SE in the afternoon. Seas around 3 ft. A chance of showers and tstms. .WED NIGHT...S winds 5 to 10 kt. Seas around 2 ft. A chance of showers and tstms. 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. $$ ANZ231-251315- Cape Cod Bay- 830 PM EDT Fri May 24 2019 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 PM EDT THIS EVENING... .TONIGHT...NE winds 20 to 25 kt with gusts up to 45 kt, becoming NW 5 to 10 kt after midnight. Seas around 6 ft, subsiding to 2 ft after midnight. .SAT...NW winds 5 to 10 kt, becoming E in the afternoon. Seas around 2 ft. .SAT NIGHT...SW winds 5 to 10 kt, becoming S 10 to 15 kt with gusts up to 25 kt after midnight. Seas 3 to 4 ft. Showers after midnight. .SUN...SW winds 10 to 15 kt with gusts up to 25 kt, diminishing to 5 to 10 kt in the afternoon. Seas around 4 ft, subsiding to 2 ft in the afternoon. A chance of showers and tstms in the morning. .SUN NIGHT...SW winds 5 to 10 kt, becoming NW after midnight. Seas around 2 ft. .MON...NE winds 5 to 10 kt. Seas around 2 ft. .MON NIGHT...SE winds around 5 kt, becoming NE after midnight. Seas around 2 ft. .TUE...E winds 5 to 10 kt, becoming SE 10 to 15 kt in the afternoon. Seas around 2 ft. A chance of showers. .TUE NIGHT...S winds 10 to 15 kt. Seas around 2 ft. A chance of showers. .WED...SW winds 5 to 10 kt, becoming S in the afternoon. Seas around 2 ft. A chance of showers and tstms. .WED NIGHT...S winds 10 to 15 kt. Seas around 3 ft. A chance of showers and tstms. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ254-251315- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm- 830 PM EDT Fri May 24 2019 ...GALE WARNING IN EFFECT UNTIL 10 PM EDT THIS EVENING... .TONIGHT...N winds 20 to 25 kt with gusts up to 50 kt, diminishing to 10 to 15 kt with gusts up to 20 kt after midnight. Seas around 8 ft, subsiding to 5 ft after midnight. .SAT...W winds 5 to 10 kt. Seas around 4 ft. .SAT NIGHT...SW winds 5 to 10 kt, becoming S 10 to 15 kt with gusts up to 25 kt after midnight. Seas 4 to 5 ft. Showers after midnight with vsby 1 to 3 NM. .SUN...SW winds 10 to 15 kt. Gusts up to 25 kt in the morning. Seas 5 to 6 ft. Showers with a chance of tstms in the morning with vsby 1 to 3 NM. .SUN NIGHT...SW winds 5 to 10 kt, becoming NW after midnight. Seas around 4 ft. .MON...NE winds 5 to 10 kt. Seas around 4 ft. .MON NIGHT...E winds around 5 kt, becoming N after midnight. Seas around 3 ft. .TUE...E winds 5 to 10 kt, becoming SE 10 to 15 kt in the afternoon. Seas around 3 ft. A chance of showers. .TUE NIGHT...S winds 10 to 15 kt. Seas around 4 ft. A chance of showers. .WED...SW winds around 10 kt. Seas 4 to 5 ft. A chance of showers and tstms. .WED NIGHT...S winds 10 to 15 kt. Gusts up to 20 kt after midnight. Seas around 5 ft. A chance of showers and tstms. 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. $$ ANZ255-251315- Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- 830 PM EDT Fri May 24 2019 ...GALE WARNING IN EFFECT UNTIL 10 PM EDT THIS EVENING... .TONIGHT...N winds 20 to 25 kt with gusts up to 50 kt, diminishing to 10 to 15 kt with gusts up to 20 kt after midnight. Seas around 8 ft, subsiding to 4 ft after midnight. .SAT...W winds 5 to 10 kt. Seas around 3 ft. .SAT NIGHT...SW winds 5 to 10 kt, becoming S 10 to 15 kt with gusts up to 25 kt after midnight. Seas 4 to 5 ft. Showers after midnight. .SUN...SW winds 10 to 15 kt with gusts up to 25 kt. Seas around 5 ft. Showers with a chance of tstms in the morning with vsby 1 to 3 NM. .SUN NIGHT...W winds 5 to 10 kt, becoming NW after midnight. Seas around 4 ft. .MON...NE winds 5 to 10 kt. Seas around 4 ft. .MON NIGHT...SE winds around 5 kt. Seas 3 to 4 ft. .TUE...SE winds 5 to 10 kt, increasing to 10 to 15 kt in the afternoon. Seas around 3 ft. A chance of showers. .TUE NIGHT...S winds 10 to 15 kt. Seas around 4 ft. A chance of showers. .WED...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 5 ft. A chance of showers in the morning. .WED NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas 6 to 7 ft. A chance of showers and tstms. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ256-251315- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 830 PM EDT Fri May 24 2019 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM EDT SATURDAY... .TONIGHT...NE winds 15 to 20 kt with gusts up to 45 kt, becoming N 5 to 10 kt after midnight. Seas around 6 ft, subsiding to 4 ft after midnight. .SAT...W winds 5 to 10 kt. Seas around 3 ft. .SAT NIGHT...SW winds 10 to 15 kt. Gusts up to 25 kt after midnight. Seas 3 to 4 ft. Showers after midnight. .SUN...SW winds 10 to 15 kt. Gusts up to 25 kt in the morning. Seas around 4 ft. A chance of showers in the morning. .SUN NIGHT...W winds 10 to 15 kt, becoming NW 5 to 10 kt after midnight. Seas around 4 ft. .MON...N winds 5 to 10 kt, becoming E in the afternoon. Seas around 4 ft. .MON NIGHT...SE winds 5 to 10 kt. Seas around 3 ft. .TUE...SE winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas around 3 ft. A chance of showers. .TUE NIGHT...S winds 10 to 15 kt. Gusts up to 20 kt in the evening. Seas 4 to 5 ft. A chance of showers in the evening. .WED...SW winds 10 to 15 kt with gusts up to 20 kt. Seas around 5 ft. A chance of showers and tstms in the afternoon. .WED NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas 6 to 7 ft. A chance of showers and tstms. 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. $$ ANZ232-251315- Nantucket Sound- 830 PM EDT Fri May 24 2019 ...GALE WARNING IN EFFECT UNTIL 10 PM EDT THIS EVENING... .TONIGHT...N winds 20 to 25 kt with gusts up to 45 kt, diminishing to 5 to 10 kt with gusts up to 20 kt after midnight. Seas around 4 ft, subsiding to 2 ft after midnight. .SAT...NW winds 5 to 10 kt, becoming SW in the afternoon. Seas around 2 ft. .SAT NIGHT...SW winds 5 to 10 kt, becoming S 10 to 15 kt with gusts up to 25 kt after midnight. Seas around 3 ft. Showers after midnight with vsby 1 to 3 NM. .SUN...SW winds 10 to 15 kt. Gusts up to 25 kt in the morning. Seas around 3 ft. A chance of showers and tstms in the morning with vsby 1 to 3 NM. .SUN NIGHT...W winds 5 to 10 kt, becoming NW after midnight. Seas around 2 ft. .MON...NE winds 5 to 10 kt. Seas around 2 ft. .MON NIGHT...SE winds around 5 kt. Seas around 2 ft. .TUE...SE winds 5 to 10 kt, increasing to 10 to 15 kt in the afternoon. Seas around 2 ft. A chance of showers. .TUE NIGHT...S winds 10 to 15 kt. Seas 2 to 3 ft. A chance of showers. .WED...SW winds around 10 kt. Seas around 3 ft. A chance of showers and tstms. .WED NIGHT...S winds 10 to 15 kt. Gusts up to 20 kt after midnight. Seas around 4 ft. A chance of showers and tstms. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ233-251315- Vineyard Sound- 830 PM EDT Fri May 24 2019 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 PM EDT THIS EVENING... .TONIGHT...NE winds 15 to 20 kt with gusts up to 45 kt, becoming N 5 to 10 kt after midnight. Seas around 6 ft, subsiding to 2 ft after midnight. .SAT...W winds 5 to 10 kt. Seas around 2 ft. .SAT NIGHT...SW winds 10 to 15 kt. Gusts up to 25 kt after midnight. Seas around 2 ft, building to 4 ft after midnight. Showers after midnight. .SUN...SW winds 10 to 15 kt. Gusts up to 25 kt in the morning. Seas 3 to 4 ft. Showers with a chance of tstms in the morning. .SUN NIGHT...W winds 5 to 10 kt, becoming NW after midnight. Seas around 2 ft. .MON...N winds 5 to 10 kt, becoming E in the afternoon. Seas around 2 ft. .MON NIGHT...SE winds around 5 kt. Seas around 2 ft. .TUE...SE winds 5 to 10 kt, increasing to 10 to 15 kt in the afternoon. Seas around 2 ft. A chance of showers. .TUE NIGHT...S winds 10 to 15 kt. Seas 2 to 3 ft. A chance of showers. .WED...SW winds around 10 kt. Seas around 3 ft. A chance of showers and tstms. .WED NIGHT...S winds 10 to 15 kt. Seas around 4 ft. A chance of showers and tstms. 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. $$ ANZ234-251315- Buzzards Bay- 830 PM EDT Fri May 24 2019 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 PM EDT THIS EVENING... .TONIGHT...NE winds 15 to 20 kt with gusts up to 40 kt, becoming NW 5 to 10 kt after midnight. Seas around 6 ft this evening, then 1 foot or less. .SAT...NW winds around 5 kt, becoming SW in the afternoon. Seas around 2 ft. .SAT NIGHT...SW winds 10 to 15 kt. Gusts up to 25 kt after midnight. Seas around 2 ft, building to 4 ft after midnight. Showers after midnight with vsby 1 to 3 NM. .SUN...SW winds 10 to 15 kt with gusts up to 25 kt, diminishing to 5 to 10 kt in the afternoon. Seas around 4 ft, subsiding to 2 ft in the afternoon. .SUN NIGHT...W winds 5 to 10 kt, becoming NW after midnight. Seas around 2 ft. .MON...N winds 5 to 10 kt, becoming E in the afternoon. Seas around 2 ft. .MON NIGHT...SE winds around 5 kt. Seas around 2 ft. .TUE...SE winds 5 to 10 kt, increasing to 10 to 15 kt in the afternoon. Seas around 2 ft. A chance of showers. .TUE NIGHT...S winds 10 to 15 kt, becoming SW 5 to 10 kt after midnight. Seas around 2 ft. A chance of showers. .WED...SW winds 5 to 10 kt. Seas around 3 ft. A chance of showers and tstms. .WED NIGHT...S winds around 10 kt. Seas around 3 ft. A chance of showers and tstms. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ235-251315- Rhode Island Sound- 830 PM EDT Fri May 24 2019 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 PM EDT THIS EVENING... .TONIGHT...NE winds 15 to 20 kt with gusts up to 40 kt, becoming N 5 to 10 kt after midnight. Seas around 5 ft, subsiding to 3 ft after midnight. .SAT...W winds 5 to 10 kt, becoming SW 10 to 15 kt in the afternoon. Seas 2 to 3 ft. .SAT NIGHT...SW winds 10 to 15 kt. Gusts up to 25 kt after midnight. Seas 3 to 4 ft. Showers after midnight. .SUN...SW winds 10 to 15 kt. Gusts up to 25 kt in the morning. Seas around 4 ft. .SUN NIGHT...W winds 5 to 10 kt, becoming NW after midnight. Seas around 3 ft. .MON...N winds 5 to 10 kt, becoming E in the afternoon. Seas around 3 ft. .MON NIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft. .TUE...SE winds 5 to 10 kt, increasing to 10 to 15 kt in the afternoon. Seas around 3 ft. A chance of showers. .TUE NIGHT...S winds 10 to 15 kt, becoming SW 5 to 10 kt after midnight. Seas 3 to 4 ft. A chance of showers in the evening. .WED...SW winds around 10 kt. Seas around 4 ft. A chance of showers and tstms in the afternoon. .WED NIGHT...S winds 10 to 15 kt. Seas around 5 ft. A chance of showers and tstms. 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. $$ ANZ237-251315- Block Island Sound- 830 PM EDT Fri May 24 2019 .TONIGHT...NE winds 10 to 15 kt with gusts up to 35 kt, becoming N 5 to 10 kt after midnight. Seas 3 to 4 ft. .SAT...SW winds 5 to 10 kt. Seas around 2 ft. .SAT NIGHT...SW winds 10 to 15 kt. Gusts up to 25 kt after midnight. Seas around 3 ft. Showers after midnight. .SUN...SW winds 10 to 15 kt. Gusts up to 20 kt in the morning. Seas 3 to 4 ft. Showers likely in the morning. .SUN NIGHT...W winds 5 to 10 kt, becoming NW after midnight. Seas around 3 ft. .MON...N winds 5 to 10 kt, becoming SE in the afternoon. Seas around 3 ft. .MON NIGHT...SE winds 5 to 10 kt. Seas around 2 ft. .TUE...SE winds 5 to 10 kt, increasing to 10 to 15 kt in the afternoon. Seas around 3 ft. A chance of showers. .TUE NIGHT...S winds 10 to 15 kt, becoming SW 5 to 10 kt after midnight. Seas 3 to 4 ft. A chance of showers in the evening. .WED...SW winds 5 to 10 kt. Seas around 4 ft. A chance of showers and tstms in the afternoon. .WED NIGHT...S winds 10 to 15 kt. Seas around 5 ft. A chance of showers and tstms. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ230-251315- Boston Harbor- 830 PM EDT Fri May 24 2019 .TONIGHT...NE winds 10 to 15 kt with gusts up to 35 kt, becoming NW around 5 kt after midnight. Waves around 3 ft this evening, then 1 foot or less. .SAT...NW winds around 5 kt, becoming SE in the afternoon. Waves 1 foot or less. .SAT NIGHT...S winds 5 to 10 kt. Gusts up to 20 kt after midnight. Waves around 2 ft. A chance of showers in the evening, then showers after midnight. .SUN...SW winds 5 to 10 kt. Gusts up to 20 kt in the morning. Waves around 2 ft in the morning, then 1 foot or less. A chance of showers in the morning with vsby 1 to 3 NM. .SUN NIGHT...NW winds around 5 kt. Waves 1 foot or less. .MON...N winds 5 to 10 kt, becoming NE in the afternoon. Waves 1 foot or less. .MON NIGHT...E winds around 5 kt, becoming NE after midnight. Waves 1 foot or less. A chance of showers after midnight. .TUE...SE winds 5 to 10 kt. Waves 1 foot or less. A chance of showers. .TUE NIGHT...S winds 5 to 10 kt. Waves 1 foot or less. A chance of showers. .WED...W winds 5 to 10 kt, becoming SE in the afternoon. Waves 1 foot or less. A chance of showers and tstms. .WED NIGHT...S winds 5 to 10 kt. Waves 1 foot or less. A chance of showers and tstms. 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. $$ ANZ236-251315- Narragansett Bay- 830 PM EDT Fri May 24 2019 .TONIGHT...NE winds 10 to 15 kt with gusts up to 35 kt, becoming NW around 5 kt after midnight. Waves 2 to 3 ft. .SAT...W winds around 5 kt, becoming SW in the afternoon. Waves 1 foot or less, then around 2 ft in the afternoon. .SAT NIGHT...SW winds 5 to 10 kt with gusts up to 25 kt. Waves 2 to 3 ft. Showers after midnight. .SUN...SW winds 5 to 10 kt. Gusts up to 20 kt in the morning. Waves around 3 ft. Showers likely in the morning. .SUN NIGHT...W winds 5 to 10 kt, becoming NW after midnight. Waves around 2 ft. .MON...N winds 5 to 10 kt, becoming E in the afternoon. Waves around 2 ft. .MON NIGHT...E winds around 5 kt. Waves around 2 ft. A chance of showers after midnight. .TUE...SE winds 5 to 10 kt. Waves around 2 ft. A chance of showers. .TUE NIGHT...S winds 5 to 10 kt. Waves around 2 ft. A chance of showers. .WED...SW winds 5 to 10 kt. Waves around 3 ft. A chance of showers and tstms in the afternoon. .WED NIGHT...S winds around 10 kt. Waves 3 to 4 ft. A chance of showers and tstms. Winds and waves higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ 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