


Coastal Waters Forecast
Issued by NWS Upton, NY
Issued by NWS Upton, NY
494 FZUS51 KOKX 301740 CWFOKX Coastal Waters Forecast National Weather Service New York NY 140 PM EDT Sat Aug 30 2025 Montauk Point NY to Sandy Hook NJ out 20 nm offshore, including Long Island Sound, the Long Island Bays, and New York Harbor ANZ300-311000- 140 PM EDT Sat Aug 30 2025 .Synopsis for the Long Island and Connecticut coastal waters... A large area of high pressure will prevail from the Upper Midwest east into the Mid Atlantic and Northeast states through the middle of next week. A frontal system then impacts the area at the end of the week. $$ ANZ350-311000- Moriches Inlet NY to Montauk Point NY out 20 nm- 140 PM EDT Sat Aug 30 2025 .TONIGHT...W winds 5 to 10 kt, becoming NW after midnight. Seas 2 to 3 ft. Wave Detail: SE 2 ft at 7 seconds and W 1 ft at 3 seconds. .SUN...N winds 5 to 10 kt, becoming E in the afternoon. Seas 2 to 3 ft. Wave Detail: E 2 ft at 7 seconds and NW 1 ft at 3 seconds. .SUN NIGHT...SE winds around 5 kt, becoming NE after midnight. Seas around 2 ft. Wave Detail: SE 2 ft at 8 seconds. .MON...NE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 2 ft at 7 seconds. .MON NIGHT...NE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 7 seconds. .TUE...NE winds 5 to 10 kt. Seas 3 to 4 ft, occasionally to 5 ft. Wave Detail: E 3 ft at 8 seconds. .TUE NIGHT...SE winds around 5 kt, becoming SW after midnight. Seas 3 to 4 ft, occasionally to 5 ft. .WED...SW winds 5 to 10 kt. Seas 3 to 4 ft, occasionally to 5 ft. .WED NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. .THU...SE winds 5 to 10 kt. Seas 2 to 3 ft. .THU NIGHT...SE winds around 10 kt. Seas 3 to 4 ft, occasionally to 5 ft. Chance of showers. $$ ANZ353-311000- Fire Island Inlet NY to Moriches Inlet NY out 20 nm- 140 PM EDT Sat Aug 30 2025 .TONIGHT...SW winds 5 to 10 kt, becoming N late. Seas 2 to 3 ft. Wave Detail: SE 2 ft at 7 seconds and W 1 ft at 3 seconds. .SUN...N winds 5 to 10 kt, becoming SE in the afternoon. Seas 2 to 3 ft. Wave Detail: NE 2 ft at 7 seconds and W 1 ft at 3 seconds. .SUN NIGHT...SE winds around 5 kt, becoming NE after midnight. Seas around 2 ft. Wave Detail: E 2 ft at 8 seconds. .MON...NE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 2 ft at 8 seconds. .MON NIGHT...NE winds 5 to 10 kt. Seas around 3 ft. Wave Detail: E 3 ft at 7 seconds. .TUE...NE winds around 10 kt. Seas 3 to 4 ft, occasionally to 5 ft. Wave Detail: E 3 ft at 7 seconds. .TUE NIGHT...SE winds 5 to 10 kt, becoming SW after midnight. Seas 3 to 4 ft, occasionally to 5 ft. .WED...SW winds 5 to 10 kt. Seas 3 to 4 ft, occasionally to 5 ft. .WED NIGHT...S winds around 10 kt. Seas 2 to 3 ft. .THU...SE winds around 10 kt. Seas 2 to 4 ft, occasionally to 5 ft. .THU NIGHT...SE winds around 10 kt. Seas 3 to 4 ft, occasionally to 5 ft. Chance of showers. $$ ANZ355-311000- Sandy Hook NJ to Fire Island Inlet NY out 20 nm- 140 PM EDT Sat Aug 30 2025 .TONIGHT...W winds 5 to 10 kt, becoming N after midnight. Seas 2 to 3 ft. Wave Detail: SE 2 ft at 7 seconds and W 1 ft at 3 seconds. .SUN...N winds 5 to 10 kt, becoming SE in the afternoon. Seas around 2 ft. Wave Detail: E 2 ft at 7 seconds and NW 1 ft at 3 seconds. .SUN NIGHT...SE winds around 5 kt, becoming NE around 5 kt after midnight. Seas around 2 ft. Wave Detail: E 2 ft at 8 seconds. .MON...NE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 2 ft at 8 seconds. .MON NIGHT...E winds 5 to 10 kt. Seas around 3 ft. Wave Detail: SE 3 ft at 7 seconds. .TUE...NE winds 5 to 10 kt, becoming E in the afternoon. Seas 3 to 4 ft, occasionally to 5 ft. Wave Detail: SE 3 ft at 8 seconds. .TUE NIGHT...S winds 5 to 10 kt, becoming SW after midnight. Seas 3 to 4 ft, occasionally to 5 ft. .WED...SW winds 5 to 10 kt with gusts up to 20 kt. Seas 3 to 4 ft, occasionally to 5 ft. .WED NIGHT...S winds 10 to 15 kt. Seas 2 to 4 ft, occasionally to 5 ft. .THU...SE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft, occasionally to 5 ft. Chance of showers. .THU NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft, occasionally to 5 ft. Chance of showers. $$ ANZ332-311000- Long Island Sound East of the Mouth of the Connecticut River- 140 PM EDT Sat Aug 30 2025 .TONIGHT...W winds 5 to 10 kt, becoming NW after midnight. Seas around 2 ft this evening, then 1 ft or less. Wave Detail: W 1 ft at 3 seconds and E 1 ft at 7 seconds, becoming W 1 ft at 2 seconds and E 1 ft at 7 seconds. .SUN...N winds around 5 kt, becoming S in the afternoon. Seas 1 ft or less. Wave Detail: NW 1 ft at 2 seconds and E 1 ft at 7 seconds. .SUN NIGHT...S winds around 5 kt, becoming NE after midnight. Seas 1 ft or less. Wave Detail: E 1 ft at 7 seconds. .MON...NE winds around 5 kt, becoming E in the afternoon. Seas 1 ft or less. Wave Detail: E 1 ft at 7 seconds. .MON NIGHT...NE winds around 5 kt. Seas 1 ft or less. Wave Detail: E 1 ft at 6 seconds. .TUE...NE winds 5 to 10 kt, becoming E in the afternoon. Seas around 2 ft. Wave Detail: E 2 ft at 7 seconds. .TUE NIGHT...S winds around 5 kt, becoming SW after midnight. Seas around 2 ft. .WED...SW winds 5 to 10 kt. Seas around 2 ft. .WED NIGHT...S winds 5 to 10 kt. Seas around 2 ft. .THU...S winds 5 to 10 kt. Seas around 2 ft. .THU NIGHT...SE winds around 10 kt. Seas around 2 ft. Chance of showers. $$ ANZ331-311000- Long Island Sound East of New Haven CT/Port Jefferson NY to the Mouth of the Connecticut River- 140 PM EDT Sat Aug 30 2025 .TONIGHT...NW winds 5 to 10 kt, becoming N late. Seas 1 ft or less. Wave Detail: W 1 ft at 2 seconds. .SUN...N winds around 5 kt, becoming S around 5 kt in the afternoon. Seas 1 ft or less. .SUN NIGHT...S winds around 5 kt, becoming E after midnight. Seas 1 ft or less. .MON...NE winds 5 to 10 kt, becoming E in the afternoon. Seas 1 ft or less. .MON NIGHT...E winds around 5 kt, becoming NE after midnight. Seas 1 ft or less. .TUE...NE winds around 5 kt, becoming E in the afternoon. Seas 1 ft or less. .TUE NIGHT...S winds around 5 kt. Seas 1 ft or less. .WED...SW winds 5 to 10 kt. Seas 1 ft or less. .WED NIGHT...S winds 5 to 10 kt. Seas 1 ft or less. .THU...S winds 5 to 10 kt. Seas 1 ft or less. .THU NIGHT...SE winds around 10 kt. Seas 1 ft or less. Chance of showers. $$ ANZ335-311000- Long Island Sound West of New Haven CT/Port Jefferson NY- 140 PM EDT Sat Aug 30 2025 .TONIGHT...NW winds 5 to 10 kt, becoming N after midnight. Seas 1 ft or less. .SUN...N winds around 5 kt, becoming E in the afternoon. Seas 1 ft or less. .SUN NIGHT...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. .MON NIGHT...E winds 5 to 10 kt, becoming NE after midnight. Seas 1 ft or less. .TUE...NE winds 5 to 10 kt. Seas 1 ft or less. .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. Chance of showers. .THU NIGHT...SE winds 10 to 15 kt. Seas 1 ft or less. Chance of showers. $$ ANZ338-311000- New York Harbor- 140 PM EDT Sat Aug 30 2025 .TONIGHT...NW winds 5 to 10 kt, becoming N after midnight. Waves 1 ft or less. .SUN...N winds around 5 kt, becoming E in the afternoon. Waves 1 ft or less. .SUN NIGHT...SE winds 5 to 10 kt, becoming NE after midnight. Waves 1 ft or less. .MON...NE winds 5 to 10 kt, becoming E with gusts up to 20 kt in the afternoon. Waves 1 ft or less. .MON NIGHT...E winds 5 to 10 kt with gusts up to 20 kt, becoming NE after midnight. Waves 1 ft or less. Wave Detail: E 1 ft at 2 seconds. .TUE...NE winds around 5 kt, becoming E in the afternoon. Waves 1 ft or less. .TUE NIGHT...S winds 5 to 10 kt, becoming SW after midnight. Waves 1 ft or less. .WED...S winds 10 to 15 kt. Waves around 2 ft. .WED NIGHT...S winds 10 to 15 kt. Waves around 2 ft. .THU...SE winds 10 to 15 kt with gusts up to 20 kt. Waves around 2 ft. Chance of showers. .THU NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Waves around 2 ft. Chance of showers. $$ ANZ340-311000- Peconic and Gardiners Bays- 140 PM EDT Sat Aug 30 2025 .TONIGHT...W winds 5 to 10 kt, becoming NW late this evening and overnight. Waves 1 ft or less. .SUN...N winds around 5 kt, becoming SE around 5 kt in the afternoon. Waves 1 ft or less. .SUN NIGHT...S 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...E winds around 5 kt. Waves 1 ft or less. .TUE...E winds around 5 kt. Waves 1 ft or less. .TUE NIGHT...S winds around 5 kt, becoming SW after midnight. 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. Waves 1 ft or less. .THU NIGHT...SE winds 5 to 10 kt. Waves 1 ft or less. Chance of showers. $$ ANZ345-311000- South Shore Bays from Jones Inlet through Shinnecock Bay- 140 PM EDT Sat Aug 30 2025 .TONIGHT...SW winds 5 to 10 kt, becoming N after midnight. Waves 1 ft or less. .SUN...N winds around 5 kt, becoming SE in the afternoon. Waves 1 ft or less. .SUN NIGHT...S winds around 5 kt, becoming NE after midnight. Waves 1 ft or less. .MON...NE winds 5 to 10 kt, becoming E in the afternoon. Waves 1 ft or less. .MON NIGHT...E winds 5 to 10 kt. Waves 1 ft or less. .TUE...NE winds 5 to 10 kt, becoming E in the afternoon. Waves 1 ft or less. .TUE NIGHT...S winds around 5 kt, becoming SW after midnight. Waves 1 ft or less. .WED...SW winds 5 to 10 kt. Waves 1 ft or less. .WED NIGHT...S winds 5 to 10 kt. Waves 1 ft or less. .THU...S winds 5 to 10 kt. Waves 1 ft or less. Chance of showers. .THU NIGHT...SE winds around 10 kt. Waves 1 ft or less. Chance of showers. $$