


Coastal Waters Forecast
Issued by NWS Upton, NY
Issued by NWS Upton, NY
001 FZUS51 KOKX 310929 CWFOKX Coastal Waters Forecast National Weather Service New York NY 529 AM EDT Sun Aug 31 2025 Montauk Point NY to Sandy Hook NJ out 20 nm offshore, including Long Island Sound, the Long Island Bays, and New York Harbor ANZ300-312215- 529 AM EDT Sun Aug 31 2025 .Synopsis for the Long Island and Connecticut coastal waters... A large area of high pressure will prevail from the Great Lakes east into the Mid Atlantic and Northeast states through Tuesday before building offshore Wednesday. A frontal system will then move across the area late Thursday into Friday. $$ ANZ350-312215- Moriches Inlet NY to Montauk Point NY out 20 nm- 529 AM EDT Sun Aug 31 2025 .TODAY...N winds 5 to 10 kt, becoming E this afternoon. Seas 2 to 3 ft. Wave Detail: E 2 ft at 7 seconds and NW 1 ft at 3 seconds. .TONIGHT...E winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SE 2 ft at 8 seconds. .MON...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at 6 seconds. .MON NIGHT...NE winds around 10 kt. Seas 3 to 4 ft, occasionally to 5 ft. Wave Detail: E 3 ft at 6 seconds. .TUE...NE winds 10 to 15 kt, becoming E 5 to 10 kt in the afternoon. Seas 3 to 5 ft, occasionally to 6 ft. Wave Detail: E 5 ft at 9 seconds. .TUE NIGHT...SE winds 5 to 10 kt, becoming SW after midnight. Seas 4 to 5 ft, occasionally to 6 ft. Wave Detail: E 5 ft at 9 seconds. .WED...SW winds 5 to 10 kt. Seas 3 to 5 ft, occasionally to 6 ft. .WED NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. .THU...S winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 3 ft. .THU NIGHT...S winds around 10 kt. Seas 2 to 3 ft. Chance of showers. $$ ANZ353-312215- Fire Island Inlet NY to Moriches Inlet NY out 20 nm- 529 AM EDT Sun Aug 31 2025 .TODAY...N winds 5 to 10 kt, becoming E this afternoon. Seas 2 to 3 ft. Wave Detail: SE 2 ft at 7 seconds and N 1 ft at 3 seconds. .TONIGHT...E winds 5 to 10 kt. Seas around 2 ft. Wave Detail: E 2 ft at 8 seconds. .MON...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at 5 seconds and E 3 ft at 8 seconds. .MON NIGHT...NE winds around 10 kt. Seas around 3 ft. Wave Detail: E 3 ft at 7 seconds. .TUE...NE winds 10 to 15 kt. Seas 3 to 4 ft, occasionally to 5 ft. Wave Detail: E 4 ft at 7 seconds. .TUE NIGHT...S winds 5 to 10 kt, becoming SW after midnight. Seas 4 to 5 ft, occasionally to 6 ft. Wave Detail: E 5 ft at 9 seconds. .WED...SW winds 5 to 10 kt. Seas 3 to 5 ft, occasionally to 6 ft. .WED NIGHT...S winds around 10 kt. Seas 3 to 4 ft, occasionally to 5 ft. .THU...S winds around 10 kt. Seas 2 to 3 ft. .THU NIGHT...S winds around 10 kt. Seas around 3 ft. Chance of showers. $$ ANZ355-312215- Sandy Hook NJ to Fire Island Inlet NY out 20 nm- 529 AM EDT Sun Aug 31 2025 .TODAY...N winds 5 to 10 kt, becoming SE this afternoon. Seas around 2 ft. Wave Detail: SE 2 ft at 7 seconds and N 1 ft at 3 seconds. .TONIGHT...SE winds around 5 kt, becoming NE after midnight. Seas around 2 ft. Wave Detail: E 2 ft at 8 seconds. .MON...NE winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 7 seconds and E 2 ft at 3 seconds. .MON NIGHT...NE winds around 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 7 seconds. .TUE...NE winds around 10 kt, becoming E in the afternoon. Seas 3 to 4 ft, occasionally to 5 ft. Wave Detail: SE 4 ft at 9 seconds. .TUE NIGHT...S winds 5 to 10 kt, becoming SW after midnight. Seas 3 to 4 ft, occasionally to 5 ft. Wave Detail: SE 4 ft at 9 seconds. .WED...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft, occasionally to 5 ft. .WED NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft, occasionally to 5 ft. .THU...S winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. .THU NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas around 3 ft. Chance of showers. $$ ANZ332-312215- Long Island Sound East of the Mouth of the Connecticut River- 529 AM EDT Sun Aug 31 2025 .TODAY...N winds 5 to 10 kt, becoming SE this afternoon. Seas around 2 ft. Wave Detail: NW 1 ft at 2 seconds and E 1 ft at 7 seconds. .TONIGHT...SE winds around 5 kt, becoming NE after midnight. Seas 1 ft or less. Wave Detail: E 1 ft at 7 seconds. .MON...E winds 5 to 10 kt. Seas around 2 ft. Wave Detail: E 1 ft at 7 seconds. .MON NIGHT...NE winds 5 to 10 kt. Seas around 2 ft. Wave Detail: E 2 ft at 6 seconds. .TUE...NE winds 5 to 10 kt, becoming E in the afternoon. Seas 2 to 3 ft. Wave Detail: E 3 ft at 9 seconds. .TUE NIGHT...S winds 5 to 10 kt, becoming SW after midnight. Seas 2 to 3 ft. Wave Detail: E 3 ft at 9 seconds. .WED...SW winds 5 to 10 kt. Seas around 2 ft. .WED NIGHT...SW winds 5 to 10 kt. Seas 1 ft or less. .THU...S winds 5 to 10 kt with gusts up to 20 kt. Seas 1 ft or less. .THU NIGHT...S winds around 10 kt. Seas 1 ft or less. Chance of showers. $$ ANZ331-312215- Long Island Sound East of New Haven CT/Port Jefferson NY to the Mouth of the Connecticut River- 529 AM EDT Sun Aug 31 2025 .TODAY...N winds 5 to 10 kt, becoming SW this afternoon. Seas 1 ft or less. .TONIGHT...SE winds around 5 kt, becoming NE after midnight. Seas 1 ft or less. .MON...NE winds 5 to 10 kt, becoming E in the afternoon. Seas 1 ft or less. Wave Detail: NE 1 ft at 2 seconds. .MON NIGHT...E winds 5 to 10 kt, becoming NE after midnight. Seas 1 ft or less. Wave Detail: E 1 ft at 2 seconds. .TUE...NE winds 5 to 10 kt, becoming E in the afternoon. Seas 1 ft or less. Wave Detail: NE 1 ft at 2 seconds. .TUE NIGHT...SW winds around 5 kt. Seas 1 ft or less. .WED...SW winds 5 to 10 kt. Seas 1 ft or less. .WED NIGHT...S winds 5 to 10 kt. Seas 1 ft or less. .THU...S winds 5 to 10 kt with gusts up to 20 kt. Seas 1 ft or less. .THU NIGHT...S winds around 10 kt. Seas 1 ft or less. Chance of showers. $$ ANZ335-312215- Long Island Sound West of New Haven CT/Port Jefferson NY- 529 AM EDT Sun Aug 31 2025 .TODAY...N winds 5 to 10 kt, becoming E this afternoon. Seas 1 ft or less. .TONIGHT...SE winds around 5 kt, becoming NE after midnight. Seas 1 ft or less. .MON...NE winds 5 to 10 kt. Seas 1 ft or less. Wave Detail: NE 1 ft at 2 seconds. .MON NIGHT...NE winds 5 to 10 kt. Seas 1 ft or less. Wave Detail: E 1 ft at 2 seconds. .TUE...NE winds 5 to 10 kt, becoming E in the afternoon. Seas 1 ft or less. Wave Detail: NE 1 ft at 2 seconds. .TUE NIGHT...S winds 5 to 10 kt, becoming SW after midnight. Seas 1 ft or less. .WED...SW winds 5 to 10 kt. Seas 1 ft or less. .WED NIGHT...S winds 5 to 10 kt. Seas 1 ft or less. .THU...S winds 10 to 15 kt with gusts up to 20 kt. Seas 1 ft or less. .THU NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas 1 ft or less. Chance of showers. $$ ANZ338-312215- New York Harbor- 529 AM EDT Sun Aug 31 2025 .TODAY...N winds 5 to 10 kt, becoming E this afternoon. Waves 1 ft or less. .TONIGHT...SE winds 5 to 10 kt, becoming NE after midnight. Waves 1 ft or less. .MON...NE winds 5 to 10 kt, becoming E in the afternoon. Waves 1 ft or less, then around 2 ft in the afternoon. Wave Detail: NE 1 ft at 2 seconds, becoming E 1 ft at 2 seconds. .MON NIGHT...E winds 5 to 10 kt, becoming NE after midnight. Waves 1 to 2 ft. Wave Detail: E 1 ft at 3 seconds. .TUE...NE winds 5 to 10 kt, becoming E in the afternoon. Waves 1 to 2 ft. .TUE NIGHT...S winds 5 to 10 kt, becoming SW after midnight. Waves 1 to 2 ft. .WED...S winds 10 to 15 kt with gusts up to 20 kt. Waves 1 to 2 ft. .WED NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Waves around 2 ft. .THU...S winds 10 to 15 kt with gusts up to 20 kt. Waves around 2 ft. .THU NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Waves around 2 ft. Chance of showers. $$ ANZ340-312215- Peconic and Gardiners Bays- 529 AM EDT Sun Aug 31 2025 .TODAY...N winds around 5 kt, becoming SE around 5 kt this afternoon. Waves 1 ft or less. .TONIGHT...SE winds around 5 kt, becoming NE after midnight. Waves 1 ft or less. .MON...E winds 5 to 10 kt. Waves 1 ft or less. .MON NIGHT...NE winds 5 to 10 kt. Waves 1 ft or less. .TUE...NE winds 5 to 10 kt, becoming E in the afternoon. Waves 1 ft or less. .TUE NIGHT...S winds around 5 kt. Waves 1 ft or less. .WED...SW winds 5 to 10 kt. Waves 1 ft or less. .WED NIGHT...S winds 5 to 10 kt. Waves 1 ft or less. .THU...S winds 5 to 10 kt with gusts up to 20 kt. Waves 1 ft or less. .THU NIGHT...S winds 5 to 10 kt. Waves 1 ft or less. Chance of showers. $$ ANZ345-312215- South Shore Bays from Jones Inlet through Shinnecock Bay- 529 AM EDT Sun Aug 31 2025 .TODAY...N winds 5 to 10 kt, becoming SE late. Waves 1 ft or less. .TONIGHT...SE winds around 5 kt, becoming NE after midnight. Waves 1 ft or less. .MON...NE winds 5 to 10 kt. Waves 1 ft or less. .MON NIGHT...NE winds 5 to 10 kt. Waves 1 ft or less. .TUE...NE winds 5 to 10 kt, becoming E in the afternoon. Waves 1 ft or less. .TUE NIGHT...S winds around 5 kt. Waves 1 ft or less. .WED...SW winds 5 to 10 kt. Waves 1 ft or less. .WED NIGHT...S winds 5 to 10 kt. Waves 1 ft or less. .THU...S winds 10 to 15 kt with gusts up to 20 kt. Waves 1 ft or less. .THU NIGHT...S winds around 10 kt with gusts up to 20 kt. Waves 1 ft or less. Chance of showers. $$