Coastal Waters Forecast
Issued by NWS Upton, NY
Issued by NWS Upton, NY
631 FZUS51 KOKX 221513 CWFOKX Coastal Waters Forecast National Weather Service New York NY 1113 AM EDT Fri Aug 22 2025 Montauk Point NY to Sandy Hook NJ out 20 nm offshore, including Long Island Sound, the Long Island Bays, and New York Harbor ANZ300-230415- 1113 AM EDT Fri Aug 22 2025 .Synopsis for the Long Island and Connecticut coastal waters... High pressure builds in from the west through today and moves offshore tonight through Saturday. A frontal system approaches Sunday and moves through the area Sunday night into Monday. High pressure then gradually builds in for the middle to end of next week. $$ ANZ350-230415- Moriches Inlet NY to Montauk Point NY out 20 nm- 1113 AM EDT Fri Aug 22 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY AFTERNOON... .THIS AFTERNOON...N winds 10 to 15 kt with gusts up to 25 kt, diminishing to 5 to 10 kt late. Seas 7 to 10 ft, occasionally to 13 ft. Wave Detail: SE 10 ft at 14 seconds and E 7 ft at 11 seconds. .TONIGHT...SW winds 5 to 10 kt. Seas 5 to 7 ft, occasionally to 9 ft. Wave Detail: E 7 ft at 11 seconds. .SAT...SW winds 5 to 10 kt. Seas 4 to 5 ft, occasionally to 6 ft. Wave Detail: E 5 ft at 11 seconds. .SAT NIGHT...S winds around 10 kt. Seas around 4 ft, occasionally to 5 ft. Wave Detail: E 4 ft at 12 seconds and SW 3 ft at 5 seconds. .SUN...S winds 10 to 15 kt. Seas 3 to 4 ft, occasionally to 5 ft. Wave Detail: S 3 ft at 5 seconds and E 3 ft at 11 seconds. .SUN NIGHT...S winds 5 to 10 kt. Seas around 3 ft. Wave Detail: S 3 ft at 4 seconds and E 3 ft at 11 seconds. Chance of showers after midnight. .MON...S winds 5 to 10 kt. Seas around 3 ft. Chance of showers. .MON NIGHT...W winds 5 to 10 kt. Seas 3 to 4 ft, occasionally to 5 ft. .TUE...W winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft, occasionally to 5 ft. .TUE NIGHT...NW winds around 10 kt. Seas 3 to 4 ft, occasionally to 5 ft. $$ ANZ353-230415- Fire Island Inlet NY to Moriches Inlet NY out 20 nm- 1113 AM EDT Fri Aug 22 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY AFTERNOON... .THIS AFTERNOON...N winds 10 to 15 kt with gusts up to 20 kt, becoming W 5 to 10 kt late. Seas 7 to 9 ft, occasionally to 11 ft. Wave Detail: SE 9 ft at 13 seconds. .TONIGHT...SW winds 5 to 10 kt. Seas 5 to 7 ft, occasionally to 9 ft. Wave Detail: E 7 ft at 12 seconds. .SAT...SW winds 5 to 10 kt. Seas 4 to 5 ft, occasionally to 6 ft. Wave Detail: E 5 ft at 11 seconds and S 1 ft at 9 seconds. .SAT NIGHT...S winds 10 to 15 kt. Seas around 4 ft, occasionally to 5 ft. Wave Detail: E 4 ft at 12 seconds and S 3 ft at 8 seconds. .SUN...S winds around 10 kt. Seas 3 to 4 ft, occasionally to 5 ft. Wave Detail: E 4 ft at 11 seconds and S 3 ft at 4 seconds. .SUN NIGHT...S winds around 10 kt. Seas around 3 ft. Wave Detail: S 3 ft at 4 seconds and E 3 ft at 11 seconds. Chance of showers after midnight. .MON...S winds 5 to 10 kt. Seas around 3 ft. Chance of showers. .MON NIGHT...W winds around 10 kt. Seas 3 to 4 ft, occasionally to 5 ft. .TUE...W winds around 10 kt. Seas 3 to 4 ft, occasionally to 5 ft. .TUE NIGHT...NW winds 10 to 15 kt. Seas 3 to 4 ft, occasionally to 5 ft. $$ ANZ355-230415- Sandy Hook NJ to Fire Island Inlet NY out 20 nm- 1113 AM EDT Fri Aug 22 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY AFTERNOON... .THIS AFTERNOON...N winds 5 to 10 kt, becoming S late. Seas 6 to 8 ft, occasionally to 10 ft. Wave Detail: SE 8 ft at 12 seconds. .TONIGHT...SW winds 5 to 10 kt. Seas 4 to 6 ft, occasionally to 8 ft. Wave Detail: E 6 ft at 11 seconds. .SAT...SW winds 5 to 10 kt, becoming S 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 3 to 5 ft, occasionally to 6 ft. Wave Detail: E 5 ft at 11 seconds. .SAT NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas around 4 ft, occasionally to 5 ft. Wave Detail: E 4 ft at 12 seconds and S 3 ft at 5 seconds. .SUN...S winds 10 to 15 kt. Gusts up to 25 kt in the afternoon. Seas 3 to 4 ft, occasionally to 5 ft. Wave Detail: E 4 ft at 11 seconds and S 3 ft at 5 seconds. Slight chance of showers in the afternoon. .SUN NIGHT...S winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt after midnight. Seas around 3 ft. Wave Detail: S 3 ft at 4 seconds and E 3 ft at 11 seconds. Chance of showers after midnight. .MON...S winds 5 to 10 kt. Seas around 3 ft. Chance of showers. .MON NIGHT...W winds around 10 kt. Seas 3 to 4 ft, occasionally to 5 ft. .TUE...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft, occasionally to 5 ft. .TUE NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. $$ ANZ332-230415- Long Island Sound East of the Mouth of the Connecticut River- 1113 AM EDT Fri Aug 22 2025 .THIS AFTERNOON...N winds 5 to 10 kt, becoming SW late. Seas 2 to 4 ft, occasionally to 5 ft. Wave Detail: NE 3 ft at 5 seconds. .TONIGHT...SW winds around 5 kt. Seas 2 to 4 ft, occasionally to 5 ft. Wave Detail: E 3 ft at 8 seconds. .SAT...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 2 ft at 8 seconds and SW 1 ft at 2 seconds. .SAT NIGHT...S winds around 10 kt. Seas 1 ft or less. Wave Detail: SW 1 ft at 2 seconds and E 1 ft at 9 seconds. .SUN...S winds around 10 kt. Seas 1 ft or less. Wave Detail: S 1 ft at 3 seconds and E 1 ft at 8 seconds. .SUN NIGHT...S winds 5 to 10 kt. Seas 1 ft or less. Wave Detail: S 1 ft at 3 seconds and E 1 ft at 7 seconds. Chance of showers after midnight. .MON...S winds 5 to 10 kt. Seas 1 ft or less. Chance of showers. .MON NIGHT...W winds 5 to 10 kt. Seas 1 ft or less. .TUE...W winds 5 to 10 kt. Seas around 2 ft. .TUE NIGHT...NW winds 5 to 10 kt. Seas around 2 ft. $$ ANZ331-230415- Long Island Sound East of New Haven CT/Port Jefferson NY to the Mouth of the Connecticut River- 1113 AM EDT Fri Aug 22 2025 .THIS AFTERNOON...N winds 5 to 10 kt, becoming W late. Seas around 2 ft. .TONIGHT...SW winds around 5 kt. Seas 1 ft or less. Wave Detail: SW 1 ft at 2 seconds and E 1 ft at 5 seconds. .SAT...SW winds 5 to 10 kt. Seas 1 ft or less. Wave Detail: SW 1 ft at 2 seconds. .SAT NIGHT...S winds around 10 kt. Seas 1 ft or less. Wave Detail: SW 1 ft at 3 seconds. .SUN...S winds 10 to 15 kt. Seas 1 ft or less. Wave Detail: S 1 ft at 3 seconds. Slight chance of showers in the afternoon. .SUN NIGHT...S winds 5 to 10 kt. Seas 1 ft or less. Wave Detail: S 1 ft at 3 seconds. Chance of showers after midnight. .MON...S winds around 5 kt. Seas 1 ft or less. Chance of showers. .MON NIGHT...W winds 5 to 10 kt. Seas 1 ft or less. .TUE...W winds 5 to 10 kt. Seas around 2 ft. .TUE NIGHT...NW winds 5 to 10 kt. Seas 1 ft or less. $$ ANZ335-230415- Long Island Sound West of New Haven CT/Port Jefferson NY- 1113 AM EDT Fri Aug 22 2025 .THIS AFTERNOON...N winds 5 to 10 kt, becoming W late. Seas around 2 ft. .TONIGHT...SW winds 5 to 10 kt. Seas 1 ft or less. Wave Detail: E 1 ft at 4 seconds. .SAT...SW winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 1 ft or less. .SAT NIGHT...S winds 10 to 15 kt. Seas around 2 ft in the evening, then 1 ft or less. Wave Detail: S 1 ft at 2 seconds. .SUN...S winds 10 to 15 kt. Seas 1 ft or less. Wave Detail: S 1 ft at 2 seconds. Slight chance of showers in the afternoon. .SUN NIGHT...S winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt after midnight. Seas 1 ft or less. Wave Detail: S 1 ft at 2 seconds. Chance of showers. .MON...SW winds 5 to 10 kt. Seas 1 ft or less. Chance of showers. .MON NIGHT...W winds 5 to 10 kt. Seas 1 ft or less. .TUE...NW winds 5 to 10 kt. Seas around 2 ft. .TUE NIGHT...NW winds 5 to 10 kt. Seas around 2 ft. $$ ANZ338-230415- New York Harbor- 1113 AM EDT Fri Aug 22 2025 .THIS AFTERNOON...N winds 5 to 10 kt, becoming SE late. Waves 2 to 4 ft, occasionally to 5 ft. .TONIGHT...SW winds 5 to 10 kt. Waves 1 ft or less. .SAT...SW winds 5 to 10 kt, becoming S 10 to 15 kt with gusts up to 20 kt in the afternoon. Waves 1 ft or less, then around 2 ft in the afternoon. .SAT NIGHT...S winds 10 to 15 kt. Waves around 2 ft. .SUN...S winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt in the afternoon. Waves 1 ft or less, then around 2 ft in the afternoon. Wave Detail: SE 2 ft at 2 seconds. Slight chance of showers in the afternoon. .SUN NIGHT...S winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt after midnight. Waves around 2 ft in the evening, then 1 ft or less. Wave Detail: SE 2 ft at 2 seconds. Chance of showers. .MON...SW winds 5 to 10 kt. Waves 1 ft or less. Chance of showers. .MON NIGHT...W winds 5 to 10 kt. Waves 1 ft or less. .TUE...W winds around 10 kt with gusts up to 20 kt. Waves around 2 ft. .TUE NIGHT...NW winds 5 to 10 kt. Waves around 2 ft. $$ ANZ340-230415- Peconic and Gardiners Bays- 1113 AM EDT Fri Aug 22 2025 .THIS AFTERNOON...N winds 5 to 10 kt, becoming W late. Waves 1 to 2 ft. .TONIGHT...SW winds around 5 kt. Waves 1 ft or less. .SAT...SW winds 5 to 10 kt. Waves 1 ft or less. .SAT NIGHT...S winds 5 to 10 kt. Waves 1 ft or less. .SUN...S winds 5 to 10 kt. Waves 1 ft or less. .SUN NIGHT...S winds 5 to 10 kt. Waves 1 ft or less. Chance of showers after midnight. .MON...S winds 5 to 10 kt. Waves 1 ft or less. Chance of showers. .MON NIGHT...W winds 5 to 10 kt. Waves 1 ft or less. .TUE...W winds 5 to 10 kt. Waves 1 ft or less. .TUE NIGHT...NW winds 5 to 10 kt. Waves 1 ft or less. $$ ANZ345-230415- South Shore Bays from Jones Inlet through Shinnecock Bay- 1113 AM EDT Fri Aug 22 2025 .THIS AFTERNOON...N winds 5 to 10 kt with gusts up to 20 kt, becoming W late. Waves 1 ft or less. .TONIGHT...SW winds 5 to 10 kt. Waves 1 ft or less. .SAT...SW winds 5 to 10 kt. Waves 1 ft or less. .SAT NIGHT...S winds around 10 kt. Waves 1 ft or less. .SUN...S winds 10 to 15 kt. Waves 1 ft or less. .SUN NIGHT...S winds 5 to 10 kt. Waves 1 ft or less. Chance of showers after midnight. .MON...S winds 5 to 10 kt. Waves 1 ft or less. Chance of showers. .MON NIGHT...W winds 5 to 10 kt. Waves 1 ft or less. .TUE...W winds 5 to 10 kt. Waves 1 ft or less. .TUE NIGHT...NW winds 5 to 10 kt. Waves 1 ft or less. $$