


Coastal Waters Forecast
Issued by NWS Upton, NY
Issued by NWS Upton, NY
278 FZUS51 KOKX 240840 CWFOKX Coastal Waters Forecast National Weather Service New York NY 440 AM EDT Sun Aug 24 2025 Montauk Point NY to Sandy Hook NJ out 20 nm offshore, including Long Island Sound, the Long Island Bays, and New York Harbor ANZ300-242100- 440 AM EDT Sun Aug 24 2025 .Synopsis for the Long Island and Connecticut coastal waters... A cold front slowly approaches from the west today and moves into the region late tonight, then passes east by late Monday. High pressure then gradually builds in for the middle of the week, and dominates into next weekend. $$ ANZ350-242100- Moriches Inlet NY to Montauk Point NY out 20 nm- 440 AM EDT Sun Aug 24 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 AM EDT THIS MORNING... .TODAY...S winds around 10 kt. Seas 3 to 5 ft this morning, then 3 to 4 ft, occasionally to 6 ft. Wave Detail: E 4 ft at 11 seconds and S 2 ft at 8 seconds. .TONIGHT...SE winds 5 to 10 kt. Seas 3 to 4 ft, occasionally to 5 ft. Wave Detail: E 3 ft at 11 seconds and SE 2 ft at 7 seconds. Slight chance of showers after midnight. .MON...N winds around 5 kt, becoming SW in the afternoon. Seas around 3 ft, building to 4 to 6 ft, occasionally to 8 ft in the afternoon. Wave Detail: SE 3 ft at 6 seconds and E 3 ft at 10 seconds, becoming SE 5 ft at 8 seconds and E 2 ft at 9 seconds. Slight chance of showers. .MON NIGHT...SW winds around 10 kt, becoming NW after midnight. Seas 4 to 6 ft, occasionally to 8 ft. Wave Detail: SE 5 ft at 8 seconds and E 1 ft at 9 seconds. .TUE...NW winds 5 to 10 kt, becoming SW in the afternoon. Seas 3 to 4 ft, occasionally to 5 ft. Wave Detail: S 4 ft at 8 seconds and E 3 ft at 8 seconds. .TUE NIGHT...W winds 5 to 10 kt, becoming NW after midnight. Seas around 3 ft. Wave Detail: SE 3 ft at 7 seconds and SE 1 ft at 11 seconds. .WED...NW winds 5 to 10 kt. Seas 2 to 3 ft. .WED NIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft. .THU...W winds 5 to 10 kt. Seas 2 to 3 ft. .THU NIGHT...SW winds around 10 kt. Seas 2 to 3 ft. $$ ANZ353-242100- Fire Island Inlet NY to Moriches Inlet NY out 20 nm- 440 AM EDT Sun Aug 24 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 AM EDT THIS MORNING... .TODAY...S winds around 10 kt. Seas 3 to 5 ft this morning, then 3 to 4 ft, occasionally to 6 ft. Wave Detail: E 4 ft at 11 seconds and SW 2 ft at 4 seconds. .TONIGHT...S winds 5 to 10 kt. Seas 3 to 4 ft, occasionally to 5 ft. Wave Detail: E 3 ft at 11 seconds and S 2 ft at 6 seconds. Slight chance of showers after midnight. .MON...W winds around 5 kt, becoming SW in the afternoon. Seas 3 to 5 ft, occasionally to 6 ft. Wave Detail: SE 4 ft at 8 seconds and E 2 ft at 7 seconds. Slight chance of showers. .MON NIGHT...W winds around 10 kt, becoming NW after midnight. Seas 4 to 5 ft, occasionally to 6 ft. Wave Detail: SE 5 ft at 8 seconds and E 2 ft at 9 seconds. .TUE...NW winds around 10 kt, becoming SW in the afternoon. Seas 3 to 4 ft, occasionally to 5 ft. Wave Detail: S 4 ft at 8 seconds and SE 3 ft at 8 seconds. .TUE NIGHT...W winds around 10 kt, becoming NW after midnight. Seas around 3 ft. Wave Detail: S 2 ft at 7 seconds and SE 2 ft at 9 seconds. .WED...NW winds 5 to 10 kt. Seas 2 to 3 ft. .WED NIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft. .THU...W winds 5 to 10 kt. Seas 2 to 3 ft. .THU NIGHT...SW winds 10 to 15 kt. Seas around 3 ft. $$ ANZ355-242100- Sandy Hook NJ to Fire Island Inlet NY out 20 nm- 440 AM EDT Sun Aug 24 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 AM EDT THIS MORNING... .TODAY...S winds 5 to 10 kt, increasing to 10 to 15 kt this afternoon. Seas 3 to 5 ft this morning, then 3 to 4 ft, occasionally to 5 ft. Wave Detail: E 3 ft at 11 seconds and S 2 ft at 4 seconds. .TONIGHT...S winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt after midnight. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 11 seconds and S 2 ft at 5 seconds. Slight chance of showers after midnight. .MON...SW winds 5 to 10 kt. Seas 2 to 4 ft, occasionally to 5 ft. Wave Detail: SE 4 ft at 8 seconds and E 2 ft at 11 seconds. Slight chance of showers. .MON NIGHT...W winds around 10 kt. Seas 3 to 5 ft, occasionally to 6 ft. Wave Detail: SE 4 ft at 8 seconds and E 2 ft at 10 seconds. .TUE...NW winds 5 to 10 kt, becoming SW in the afternoon. Seas 3 to 4 ft, occasionally to 5 ft. Wave Detail: SE 3 ft at 8 seconds and S 2 ft at 8 seconds. .TUE NIGHT...W winds around 10 kt, becoming NW after midnight. Seas 2 to 3 ft. Wave Detail: S 2 ft at 7 seconds and SE 2 ft at 9 seconds. .WED...NW winds 5 to 10 kt. Seas 2 to 3 ft. .WED NIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft. .THU...SW winds 5 to 10 kt. Seas around 2 ft. .THU NIGHT...SW winds 10 to 15 kt. Seas 2 to 3 ft. $$ ANZ332-242100- Long Island Sound East of the Mouth of the Connecticut River- 440 AM EDT Sun Aug 24 2025 .TODAY...S winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SW 1 ft at 2 seconds and E 1 ft at 12 seconds. .TONIGHT...S winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SW 1 ft at 2 seconds. Slight chance of showers after midnight. .MON...SE winds around 5 kt, becoming SW in the afternoon. Seas 2 to 3 ft. Wave Detail: E 2 ft at 8 seconds. Slight chance of showers. .MON NIGHT...W winds 5 to 10 kt, becoming NW after midnight. Seas 2 to 3 ft. Wave Detail: E 2 ft at 8 seconds. .TUE...NW winds 5 to 10 kt, becoming SW in the afternoon. Seas 2 to 3 ft. Wave Detail: E 2 ft at 8 seconds and W 1 ft at 2 seconds. .TUE NIGHT...W winds 5 to 10 kt, becoming NW after midnight. Seas around 2 ft. Wave Detail: W 1 ft at 2 seconds and E 1 ft at 7 seconds. .WED...NW winds 5 to 10 kt. Seas around 2 ft. .WED NIGHT...W winds 5 to 10 kt. Seas around 2 ft. .THU...W winds 5 to 10 kt. Seas around 2 ft. .THU NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. $$ ANZ331-242100- Long Island Sound East of New Haven CT/Port Jefferson NY to the Mouth of the Connecticut River- 440 AM EDT Sun Aug 24 2025 .TODAY...S winds 5 to 10 kt. Seas 1 ft or less. Wave Detail: SW 1 ft at 3 seconds. .TONIGHT...S winds 5 to 10 kt. Seas 1 ft or less. Wave Detail: S 1 ft at 2 seconds. Slight chance of showers after midnight. .MON...SW winds 5 to 10 kt. Seas 1 ft or less. Slight chance of showers. Isolated tstms in the afternoon. .MON NIGHT...W winds 5 to 10 kt, becoming NW after midnight. Seas 1 ft or less. Wave Detail: W 1 ft at 2 seconds. Slight chance of showers in the evening. .TUE...W winds 5 to 10 kt. Seas 1 ft or less. Wave Detail: W 1 ft at 2 seconds. .TUE NIGHT...W winds 5 to 10 kt, becoming N after midnight. Seas 1 ft or less. Wave Detail: W 1 ft at 2 seconds. .WED...NW winds 5 to 10 kt. Seas 1 ft or less. .WED NIGHT...NW winds 5 to 10 kt. Seas 1 ft or less. .THU...W winds 5 to 10 kt. Seas 1 ft or less. .THU NIGHT...SW winds 5 to 10 kt. Seas 1 ft or less. Winds and seas may be higher in and near tstms. $$ ANZ335-242100- Long Island Sound West of New Haven CT/Port Jefferson NY- 440 AM EDT Sun Aug 24 2025 .TODAY...S winds 5 to 10 kt. Seas 1 ft or less. Wave Detail: S 1 ft at 2 seconds. .TONIGHT...S winds 5 to 10 kt. Seas 1 ft or less. Wave Detail: S 1 ft at 2 seconds. Slight chance of showers after midnight. .MON...SW winds 5 to 10 kt. Seas 1 ft or less. Slight chance of showers. Isolated tstms in the afternoon. .MON NIGHT...NW winds 5 to 10 kt. Seas 1 ft or less. Slight chance of showers in the evening. .TUE...W winds 5 to 10 kt. Seas 1 ft or less. .TUE NIGHT...NW winds 5 to 10 kt. Seas 1 ft or less. Wave Detail: W 1 ft at 2 seconds. .WED...NW winds 5 to 10 kt. Seas 1 ft or less. .WED NIGHT...NW winds 5 to 10 kt. Seas 1 ft or less. .THU...W winds 5 to 10 kt. Seas 1 ft or less. .THU NIGHT...SW winds 5 to 10 kt. Seas 1 ft or less. Winds and seas may be higher in and near tstms. $$ ANZ338-242100- New York Harbor- 440 AM EDT Sun Aug 24 2025 .TODAY...S winds 5 to 10 kt, becoming SE 10 to 15 kt with gusts up to 20 kt this afternoon. Waves 1 to 2 ft. .TONIGHT...S winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt after midnight. Waves 1 to 2 ft. Slight chance of showers after midnight. .MON...W winds 5 to 10 kt. Waves 1 to 2 ft. Isolated tstms in the morning. Slight chance of showers. .MON NIGHT...NW winds 5 to 10 kt. Waves 1 to 2 ft. Wave Detail: W 1 ft at 2 seconds. .TUE...W winds 5 to 10 kt. Waves 1 to 2 ft. .TUE NIGHT...NW winds 5 to 10 kt. Waves 1 to 2 ft. .WED...NW winds 5 to 10 kt. Waves 1 ft or less. .WED NIGHT...NW winds 5 to 10 kt. Waves 1 ft or less. .THU...W winds 5 to 10 kt. Waves 1 ft or less. .THU NIGHT...SW winds 5 to 10 kt. Waves 1 ft or less. Winds and waves may be higher in and near tstms. $$ ANZ340-242100- Peconic and Gardiners Bays- 440 AM EDT Sun Aug 24 2025 .TODAY...S winds 5 to 10 kt. Waves 1 ft or less. .TONIGHT...S winds 5 to 10 kt, diminishing to around 5 kt after midnight. Waves 1 ft or less. Slight chance of showers after midnight. .MON...SW winds around 5 kt, increasing to 5 to 10 kt in the afternoon. Waves 1 ft or less. Slight chance of showers. .MON NIGHT...W winds 5 to 10 kt, becoming NW after midnight. Waves 1 ft or less. .TUE...W winds 5 to 10 kt. Waves 1 ft or less. .TUE NIGHT...W winds 5 to 10 kt, becoming NW after midnight. Waves 1 ft or less. .WED...NW winds 5 to 10 kt. Waves 1 ft or less. .WED NIGHT...W winds 5 to 10 kt. Waves 1 ft or less. .THU...W winds 5 to 10 kt. Waves 1 ft or less. .THU NIGHT...SW winds 5 to 10 kt. Waves 1 ft or less. $$ ANZ345-242100- South Shore Bays from Jones Inlet through Shinnecock Bay- 440 AM EDT Sun Aug 24 2025 .TODAY...S winds 5 to 10 kt. Waves 1 ft or less. .TONIGHT...S winds 5 to 10 kt. Waves 1 ft or less. Slight chance of showers after midnight. .MON...SW winds 5 to 10 kt. Waves 1 ft or less. Slight chance of showers. .MON NIGHT...W winds 5 to 10 kt, becoming NW after midnight. Waves 1 ft or less. .TUE...NW winds 5 to 10 kt, becoming SW in the afternoon. Waves 1 ft or less. .TUE NIGHT...W winds 5 to 10 kt, becoming NW after midnight. Waves 1 ft or less. .WED...NW winds 5 to 10 kt. Waves 1 ft or less. .WED NIGHT...W winds 5 to 10 kt. Waves 1 ft or less. .THU...W winds 5 to 10 kt. Waves 1 ft or less. .THU NIGHT...SW winds 5 to 10 kt. Waves 1 ft or less. $$