Coastal Waters Forecast
Issued by NWS Upton, NY
Issued by NWS Upton, NY
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703 FZUS51 KOKX 202103 CWFOKX Coastal Waters Forecast National Weather Service New York NY 403 PM EST Thu Nov 20 2025 Montauk Point NY to Sandy Hook NJ out 20 nm offshore, including Long Island Sound, the Long Island Bays, and New York Harbor ANZ300-211015- 403 PM EST Thu Nov 20 2025 .Synopsis for the Long Island and Connecticut coastal waters... High pressure remains directly over the region tonight. The high then moves offshore on Friday with a frontal wave moving across Friday night into Saturday morning. High pressure then builds back Saturday afternoon and Saturday night and will remain in control through early next week. The high moves offshore on Tuesday followed by the next frontal system impacting the waters late Tuesday into Wednesday. $$ ANZ350-211015- Moriches Inlet NY to Montauk Point NY out 20 nm- 403 PM EST Thu Nov 20 2025 .TONIGHT...NE winds around 5 kt early this evening, becoming light and variable, then becoming W around 5 kt after midnight, becoming SW around 5 kt. Seas around 2 ft. Wave Detail: S 2 ft at 7 seconds and E 1 ft at 4 seconds. .FRI...SW winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 1 ft or less, then 2 to 3 ft in the afternoon. Wave Detail: SE 1 ft at 6 seconds, becoming SW 2 ft at 3 seconds and SE 1 ft at 6 seconds. .FRI NIGHT...W winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt after midnight. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 4 seconds and E 1 ft at 7 seconds. Chance of rain in the evening, then rain likely after midnight. .SAT...N winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft, occasionally to 5 ft. Wave Detail: N 2 ft at 3 seconds and S 2 ft at 5 seconds. Chance of rain in the morning. .SAT NIGHT...N winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Seas 3 to 4 ft, occasionally to 5 ft. Wave Detail: N 3 ft at 4 seconds and S 3 ft at 7 seconds. .SUN...NW winds around 10 kt, becoming W in the afternoon. Seas 2 to 4 ft, occasionally to 5 ft. Wave Detail: S 3 ft at 8 seconds and W 2 ft at 3 seconds. .SUN NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .MON...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .MON NIGHT...N winds 5 to 10 kt. Seas 2 to 3 ft. .TUE...SE winds 15 to 20 kt. Seas 2 to 4 ft, occasionally to 5 ft. Chance of rain. .TUE NIGHT...S winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft, occasionally to 6 ft. Rain. $$ ANZ353-211015- Fire Island Inlet NY to Moriches Inlet NY out 20 nm- 403 PM EST Thu Nov 20 2025 .TONIGHT...NE winds around 5 kt early this evening, becoming light and variable, then becoming SW around 5 kt after midnight. Seas around 2 ft. Wave Detail: SE 1 ft at 7 seconds. .FRI...SW winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 3 seconds and SE 1 ft at 6 seconds. Slight chance of rain in the afternoon. .FRI NIGHT...W winds 10 to 15 kt, becoming NW 5 to 10 kt after midnight. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 4 seconds and E 1 ft at 6 seconds. Chance of rain in the evening, then rain likely after midnight. .SAT...N winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft, occasionally to 5 ft. Wave Detail: NW 2 ft at 3 seconds and SE 2 ft at 6 seconds. Chance of rain in the morning. .SAT NIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft, occasionally to 5 ft. Wave Detail: N 3 ft at 4 seconds and NE 2 ft at 7 seconds. .SUN...NW winds around 10 kt, becoming W in the afternoon. Seas 2 to 3 ft. Wave Detail: W 2 ft at 3 seconds and NE 2 ft at 7 seconds. .SUN NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .MON...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .MON NIGHT...N winds 5 to 10 kt. Seas around 2 ft. .TUE...SE winds 15 to 20 kt. Seas 2 to 4 ft, occasionally to 5 ft. Chance of rain. .TUE NIGHT...S winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 5 ft, occasionally to 6 ft. Rain. $$ ANZ355-211015- Sandy Hook NJ to Fire Island Inlet NY out 20 nm- 403 PM EST Thu Nov 20 2025 .TONIGHT...Light and variable winds, becoming SW around 5 kt after midnight. Seas around 2 ft. Wave Detail: SE 1 ft at 7 seconds. .FRI...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SW 2 ft at 3 seconds and SE 1 ft at 6 seconds. Slight chance of rain in the afternoon. .FRI NIGHT...SW winds 5 to 10 kt, becoming NW after midnight. Seas around 2 ft. Wave Detail: SW 1 ft at 4 seconds and E 1 ft at 6 seconds. Chance of rain in the evening, then rain likely after midnight. .SAT...N winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: NW 2 ft at 3 seconds and SE 2 ft at 6 seconds. Chance of rain in the morning. .SAT NIGHT...N winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: NW 2 ft at 3 seconds and NE 2 ft at 6 seconds. .SUN...W winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at 7 seconds and NW 1 ft at 3 seconds. .SUN NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .MON...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .MON NIGHT...N winds 5 to 10 kt. Seas around 2 ft. .TUE...SE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Chance of rain. .TUE NIGHT...S winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft, occasionally to 6 ft. Rain. $$ ANZ332-211015- Long Island Sound East of the Mouth of the Connecticut River- 403 PM EST Thu Nov 20 2025 .TONIGHT...N winds around 5 kt, becoming S late. Seas 1 ft or less. .FRI...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, then 1 to 2 ft in the afternoon. Wave Detail: SW 1 ft at 2 seconds. .FRI NIGHT...W winds 5 to 10 kt. Seas around 2 ft in the evening, then 1 ft or less. Wave Detail: W 1 ft at 3 seconds. Chance of rain. Vsby 1 to 3 nm after midnight. .SAT...N winds 5 to 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 1 ft or less, then around 2 ft in the afternoon. Wave Detail: NW 1 ft at 2 seconds. Chance of rain in the morning. .SAT NIGHT...N winds 10 to 15 kt, diminishing to 5 to 10 kt after midnight. Seas around 2 ft. Wave Detail: NW 1 ft at 2 seconds. .SUN...W winds 5 to 10 kt. Seas around 2 ft in the morning, then 1 ft or less. Wave Detail: NW 1 ft at 2 seconds, becoming W 1 ft at 2 seconds. .SUN NIGHT...W winds 10 to 15 kt. Seas 1 ft or less. .MON...NW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. .MON NIGHT...N winds 5 to 10 kt. Seas 1 ft or less. .TUE...SE winds 10 to 15 kt with gusts up to 20 kt. Seas 1 to 2 ft. Chance of rain. .TUE NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Rain. $$ ANZ331-211015- Long Island Sound East of New Haven CT/Port Jefferson NY to the Mouth of the Connecticut River- 403 PM EST Thu Nov 20 2025 .TONIGHT...E winds around 5 kt, becoming W after midnight, then becoming S late. Seas 1 ft or less. .FRI...SW winds 5 to 10 kt. Seas 1 ft or less. Wave Detail: SW 1 ft at 2 seconds. .FRI NIGHT...W winds 5 to 10 kt. Seas 1 ft or less. Wave Detail: W 1 ft at 3 seconds. Chance of rain. Vsby 1 to 3 nm. .SAT...N winds 10 to 15 kt. Seas 1 ft or less. Wave Detail: NW 1 ft at 2 seconds. Chance of rain in the morning. .SAT NIGHT...N winds 10 to 15 kt, becoming NW 5 to 10 kt after midnight. Seas around 2 ft. Wave Detail: NW 1 ft at 3 seconds. .SUN...W winds 5 to 10 kt. Seas 1 ft or less. Wave Detail: NW 1 ft at 2 seconds. .SUN NIGHT...W winds 5 to 10 kt, increasing to 10 to 15 kt after midnight. Seas 1 ft or less. .MON...NW winds 5 to 10 kt with gusts up to 20 kt. Seas 1 ft or less. .MON NIGHT...N winds 5 to 10 kt. Seas 1 ft or less. .TUE...SE winds 5 to 10 kt. Seas 1 ft or less. Chance of rain. .TUE NIGHT...S winds 10 to 15 kt. Seas 1 ft or less. Rain. $$ ANZ335-211015- Long Island Sound West of New Haven CT/Port Jefferson NY- 403 PM EST Thu Nov 20 2025 .TONIGHT...SE winds around 5 kt, becoming SW after midnight, then becoming S around 5 kt late. Seas 1 ft or less. .FRI...SW winds 5 to 10 kt. Seas 1 ft or less. Wave Detail: SW 1 ft at 2 seconds. .FRI NIGHT...SW winds 5 to 10 kt, becoming NW after midnight. Seas 1 ft or less. Wave Detail: SW 1 ft at 2 seconds. Chance of rain. Vsby 1 to 3 nm. .SAT...N winds around 10 kt. Seas 1 ft or less. Chance of rain in the morning. .SAT NIGHT...N winds 10 to 15 kt, becoming NW 5 to 10 kt after midnight. Seas 1 ft or less. Wave Detail: N 1 ft at 2 seconds. .SUN...W winds 5 to 10 kt. Seas 1 ft or less. .SUN NIGHT...W winds 10 to 15 kt. Seas 1 ft or less. .MON...NW winds 5 to 10 kt. Seas 1 ft or less. .MON NIGHT...N winds 5 to 10 kt. Seas 1 ft or less. .TUE...SE winds 5 to 10 kt. Seas 1 ft or less. Chance of rain. .TUE NIGHT...S winds 10 to 15 kt. Seas 1 ft or less. Rain. $$ ANZ338-211015- New York Harbor- 403 PM EST Thu Nov 20 2025 .TONIGHT...S winds around 5 kt, becoming SW around 5 kt after midnight. Waves 1 ft or less. .FRI...SW winds 5 to 10 kt. Waves 1 ft or less. .FRI NIGHT...SW winds around 5 kt, becoming NW after midnight. Waves 1 ft or less. Chance of rain in the evening, then rain likely after midnight. Patchy fog after midnight. Vsby 1 to 3 nm. .SAT...N winds 5 to 10 kt. Waves 1 ft or less. Chance of rain in the morning. .SAT NIGHT...NW winds 5 to 10 kt. Waves 1 ft or less. .SUN...W winds 5 to 10 kt. Waves 1 ft or less. .SUN NIGHT...SW winds 5 to 10 kt, becoming W 10 to 15 kt after midnight. Waves 1 ft or less. .MON...NW winds 5 to 10 kt. Waves 1 ft or less. .MON NIGHT...NW winds around 5 kt. Waves 1 ft or less. .TUE...SE winds 5 to 10 kt with gusts up to 20 kt. Waves 1 to 2 ft. Chance of rain. .TUE NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Waves 1 to 2 ft. Rain. $$ ANZ340-211015- Peconic and Gardiners Bays- 403 PM EST Thu Nov 20 2025 .TONIGHT...NE winds around 5 kt this evening, becoming light and variable, then becoming S around 5 kt late. Waves 1 ft or less. .FRI...SW winds 5 to 10 kt. Waves 1 ft or less. .FRI NIGHT...W winds 5 to 10 kt. Waves 1 ft or less. Chance of rain. Patchy fog after midnight. Vsby 1 to 3 nm. .SAT...N winds 5 to 10 kt. Waves 1 ft or less. Chance of rain in the morning. .SAT NIGHT...N winds 5 to 10 kt. Waves 1 ft or less. .SUN...NW winds 5 to 10 kt, becoming W in the afternoon. Waves 1 ft or less. .SUN NIGHT...W winds 5 to 10 kt. Waves 1 ft or less. .MON...NW winds 5 to 10 kt with gusts up to 20 kt. Waves 1 ft or less. .MON NIGHT...N winds 5 to 10 kt. Waves 1 ft or less. .TUE...SE winds 5 to 10 kt with gusts up to 20 kt. Waves 1 ft or less. Chance of rain. .TUE NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Waves 1 to 2 ft. Rain. $$ ANZ345-211015- South Shore Bays from Jones Inlet through Shinnecock Bay- 403 PM EST Thu Nov 20 2025 .TONIGHT...NE winds around 5 kt early this evening, becoming light and variable, then becoming NW around 5 kt after midnight, becoming S around 5 kt. Waves 1 ft or less. .FRI...SW winds 5 to 10 kt. Waves 1 ft or less. .FRI NIGHT...SW winds 5 to 10 kt, becoming NW after midnight. Waves 1 ft or less. Chance of rain in the evening, then rain likely after midnight. Patchy fog after midnight. Vsby 1 to 3 nm. .SAT...N winds 10 to 15 kt with gusts up to 20 kt. Waves 1 ft or less. Chance of rain in the morning. .SAT NIGHT...N winds 10 to 15 kt, diminishing to 5 to 10 kt after midnight. Waves 1 ft or less. .SUN...W winds 5 to 10 kt. Waves 1 ft or less. .SUN NIGHT...W winds 5 to 10 kt, increasing to 10 to 15 kt after midnight. Waves 1 ft or less. .MON...NW winds 10 to 15 kt with gusts up to 20 kt. Waves 1 ft or less. .MON NIGHT...N winds 5 to 10 kt. Waves 1 ft or less. .TUE...SE winds 10 to 15 kt with gusts up to 20 kt. Waves 1 ft or less. Chance of rain. .TUE NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Waves 1 to 2 ft. Rain. $$