Coastal Waters Forecast
Issued by NWS Upton, NY
Issued by NWS Upton, NY
394 FZUS51 KOKX 050815 CWFOKX Coastal Waters Forecast National Weather Service New York NY 315 AM EST Fri Dec 5 2025 Montauk Point NY to Sandy Hook NJ out 20 nm offshore, including Long Island Sound, the Long Island Bays, and New York Harbor ANZ300-052115- 315 AM EST Fri Dec 5 2025 .Synopsis for the Long Island and Connecticut coastal waters... Strong high pressure building from the west will pass east this afternoon. A weak low pressure trough extending north from low pressure moving off the southern Mid Atlantic coast will impact the area mainly late tonight into Saturday morning. Weak high pressure will then be over the area Saturday night into Sunday. A strong cold front will move through Sunday night. Behind it, high pressure will build from the west, remaining in control through Tuesday. $$ ANZ350-052115- Moriches Inlet NY to Montauk Point NY out 20 nm- 315 AM EST Fri Dec 5 2025 .TODAY...N winds 10 to 15 kt with gusts up to 20 kt, becoming NE 5 to 10 kt early this morning, then becoming SE late this morning. Seas 2 to 4 ft, occasionally to 5 ft. Wave Detail: W 4 ft at 6 seconds and NE 3 ft at 10 seconds. .TONIGHT...SE winds around 5 kt. Seas around 2 ft. Wave Detail: SE 2 ft at 10 seconds and SE 1 ft at 4 seconds. Slight chance of light snow and rain. .SAT...SW winds 5 to 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 4 seconds and SE 2 ft at 10 seconds. Chance of light rain, mainly in the morning. .SAT NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft, occasionally to 5 ft. Wave Detail: SW 3 ft at 4 seconds and SE 2 ft at 9 seconds. .SUN...N winds 5 to 10 kt, becoming E in the afternoon. Seas 2 to 3 ft. Wave Detail: NW 2 ft at 4 seconds and SE 2 ft at 9 seconds. .SUN NIGHT...SW winds 10 to 15 kt, becoming W 20 to 25 kt after midnight. Seas 2 to 3 ft, building to 3 to 5 ft, occasionally to 6 ft after midnight. Wave Detail: SW 2 ft at 6 seconds and SE 2 ft at 8 seconds, becoming W 4 ft at 5 seconds and SE 2 ft at 8 seconds. Chance of showers in the evening. Vsby 1 to 3 nm. .MON...NW winds 25 to 30 kt. Seas 4 to 6 ft, occasionally to 8 ft. .MON NIGHT...N winds 20 to 25 kt. Seas 3 to 5 ft, occasionally to 6 ft. .TUE...SW winds 20 to 25 kt. Seas 3 to 5 ft, occasionally to 6 ft. .TUE NIGHT...SW winds 25 to 30 kt. Seas 5 to 8 ft, occasionally to 10 ft. $$ ANZ353-052115- Fire Island Inlet NY to Moriches Inlet NY out 20 nm- 315 AM EST Fri Dec 5 2025 .TODAY...N winds 10 to 15 kt with gusts up to 20 kt, becoming NE 5 to 10 kt early this morning, then becoming SE late this morning. Seas 2 to 3 ft. Wave Detail: N 3 ft at 6 seconds and W 2 ft at 5 seconds. Slight chance of light snow or rain late this afternoon. .TONIGHT...SE winds around 5 kt. Seas around 2 ft. Wave Detail: SE 2 ft at 10 seconds and E 1 ft at 4 seconds. Chance of light rain. .SAT...W winds 5 to 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 3 seconds and SE 2 ft at 10 seconds. Slight chance of light rain in the morning. .SAT NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft, occasionally to 5 ft. Wave Detail: W 3 ft at 4 seconds and SE 2 ft at 9 seconds. .SUN...NW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: W 2 ft at 4 seconds and SE 2 ft at 9 seconds. .SUN NIGHT...SW winds 10 to 15 kt, becoming W 20 to 25 kt after midnight. Seas 2 to 3 ft, building to 3 to 5 ft, occasionally to 6 ft after midnight. Wave Detail: SW 2 ft at 5 seconds and SE 2 ft at 9 seconds, becoming W 4 ft at 4 seconds and SE 2 ft at 8 seconds. Chance of showers in the evening. Vsby 1 to 3 nm. .MON...NW winds 25 to 30 kt. Seas 4 to 6 ft, occasionally to 8 ft. .MON NIGHT...N winds 20 to 25 kt. Seas 2 to 4 ft, occasionally to 5 ft. .TUE...SW winds 20 to 25 kt. Seas 2 to 4 ft, occasionally to 5 ft. .TUE NIGHT...SW winds 20 to 25 kt with gusts up to 30 kt. Seas 5 to 7 ft, occasionally to 9 ft. $$ ANZ355-052115- Sandy Hook NJ to Fire Island Inlet NY out 20 nm- 315 AM EST Fri Dec 5 2025 .TODAY...NE winds 5 to 10 kt, becoming E late this morning. Seas 2 to 3 ft. Wave Detail: N 3 ft at 5 seconds. Slight chance of light snow or rain late this afternoon. .TONIGHT...E winds around 5 kt, becoming N after midnight. Seas around 2 ft. Wave Detail: SE 2 ft at 10 seconds and E 1 ft at 3 seconds. Slight chance of light snow and rain. .SAT...W winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: W 2 ft at 3 seconds and SE 2 ft at 10 seconds. Slight chance of light rain in the morning. .SAT NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: W 2 ft at 3 seconds and SE 2 ft at 9 seconds. .SUN...N winds 5 to 10 kt, becoming W in the afternoon. Seas 2 to 3 ft. Wave Detail: NW 2 ft at 3 seconds and SE 2 ft at 9 seconds. .SUN NIGHT...SW winds 10 to 15 kt, becoming W 20 to 25 kt after midnight. Seas 2 to 4 ft, occasionally to 5 ft. Wave Detail: W 4 ft at 4 seconds and SE 2 ft at 9 seconds. .MON...NW winds 20 to 25 kt with gusts up to 30 kt. Seas 3 to 5 ft, occasionally to 6 ft. .MON NIGHT...N winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft, occasionally to 5 ft. .TUE...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft, occasionally to 5 ft. .TUE NIGHT...SW winds 20 to 25 kt. Seas 3 to 5 ft, occasionally to 6 ft. $$ ANZ332-052115- Long Island Sound East of the Mouth of the Connecticut River- 315 AM EST Fri Dec 5 2025 .TODAY...N winds around 10 kt with gusts up to 20 kt, becoming SE around 5 kt this afternoon. Seas 1 to 2 ft early this morning, then 1 ft or less. Wave Detail: NW 1 ft at 4 seconds and NE 1 ft at 6 seconds, becoming E 1 ft at 4 seconds. .TONIGHT...SE winds around 5 kt, becoming E after midnight. Seas 1 ft or less. Wave Detail: E 1 ft at 5 seconds. Slight chance of light snow, freezing rain, or rain after midnight. .SAT...S winds 5 to 10 kt, becoming SW in the afternoon. Seas 1 ft or less, then 1 to 2 ft in the afternoon. Wave Detail: SE 1 ft at 2 seconds, becoming SW 1 ft at 2 seconds. Slight chance of light snow, freezing rain, or rain in the morning, then slight chance of light rain in the afternoon. .SAT NIGHT...NW winds around 10 kt. Seas around 2 ft. Wave Detail: W 1 ft at 3 seconds and E 1 ft at 8 seconds. .SUN...N winds 5 to 10 kt, becoming E in the afternoon. Seas around 2 ft. Wave Detail: NW 1 ft at 3 seconds and E 1 ft at 7 seconds. .SUN NIGHT...SW winds 5 to 10 kt, becoming W 15 to 20 kt after midnight. Seas 2 to 3 ft. Wave Detail: W 2 ft at 3 seconds and E 1 ft at 8 seconds. Chance of rain and snow showers. Vsby 1 to 3 nm. .MON...NW winds 20 to 25 kt with gusts up to 30 kt. Seas 2 to 3 ft. .MON NIGHT...NW winds 15 to 20 kt. Seas 2 to 3 ft. .TUE...W winds 15 to 20 kt with gusts up to 25 kt. Seas around 2 ft. .TUE NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 3 ft. $$ ANZ331-052115- Long Island Sound East of New Haven CT/Port Jefferson NY to the Mouth of the Connecticut River- 315 AM EST Fri Dec 5 2025 .TODAY...N winds 5 to 10 kt, becoming SE late this morning. Seas 1 to 2 ft early, then 1 ft or less. Wave Detail: NW 2 ft at 4 seconds, becoming W 1 ft at 3 seconds. .TONIGHT...SE winds around 5 kt, becoming NE after midnight. Seas 1 ft or less. Slight chance of light snow, freezing rain, or rain after midnight. .SAT...NW winds around 5 kt, becoming SW in the afternoon. Seas 1 ft or less. Wave Detail: SW 1 ft at 2 seconds. Slight chance of light snow, freezing rain, or rain in the morning. .SAT NIGHT...W winds 10 to 15 kt, becoming NW 5 to 10 kt after midnight. Seas 1 ft or less. Wave Detail: W 1 ft at 3 seconds. .SUN...N winds 5 to 10 kt, becoming E in the afternoon. Seas 1 ft or less. Wave Detail: NW 1 ft at 3 seconds. .SUN NIGHT...SW winds 5 to 10 kt, becoming W 15 to 20 kt after midnight. Seas 1 ft or less, then around 2 ft after midnight. Wave Detail: W 2 ft at 3 seconds. Chance of rain and snow showers in the evening. Vsby 1 to 3 nm. .MON...NW winds 20 to 25 kt with gusts up to 30 kt. Seas 2 to 4 ft, occasionally to 5 ft. .MON NIGHT...NW winds 15 to 20 kt. Seas around 2 ft. .TUE...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 1 to 2 ft. .TUE NIGHT...SW winds 15 to 20 kt. Seas 2 to 3 ft. $$ ANZ335-052115- Long Island Sound West of New Haven CT/Port Jefferson NY- 315 AM EST Fri Dec 5 2025 .TODAY...NE winds 5 to 10 kt, becoming E late this morning. Seas 1 ft or less. .TONIGHT...NE winds around 5 kt. Seas 1 ft or less. Slight chance of light snow, freezing rain, or rain. .SAT...NW winds around 5 kt, becoming SW in the afternoon. Seas 1 ft or less. Wave Detail: SW 1 ft at 2 seconds. Slight chance of light snow, freezing rain, or rain in the morning. .SAT NIGHT...W winds 10 to 15 kt, becoming NW 5 to 10 kt after midnight. Seas 1 ft or less. Wave Detail: W 1 ft at 2 seconds. .SUN...N winds 5 to 10 kt, becoming E in the afternoon. Seas 1 ft or less. .SUN NIGHT...SW winds 5 to 10 kt, becoming W 20 to 25 kt after midnight. Seas 1 ft or less, then around 2 ft after midnight. Wave Detail: W 2 ft at 3 seconds. Chance of rain and snow showers in the evening. Vsby 1 to 3 nm. .MON...NW winds 20 to 25 kt. Seas 2 to 3 ft. .MON NIGHT...NW winds 15 to 20 kt. Seas around 2 ft. .TUE...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 1 to 2 ft. .TUE NIGHT...SW winds 15 to 20 kt. Seas around 2 ft. $$ ANZ338-052115- New York Harbor- 315 AM EST Fri Dec 5 2025 .TODAY...N winds 10 to 15 kt, becoming NE 5 to 10 kt. Waves 1 to 2 ft, then 1 ft or less. Wave Detail: NE 1 ft at 2 seconds. Slight chance of light snow or rain late this afternoon. .TONIGHT...N winds around 5 kt. Waves 1 ft or less. Slight chance of light snow, freezing rain, or rain. .SAT...W winds 5 to 10 kt. Waves 1 ft or less. Slight chance of light snow or freezing rain in the morning. .SAT NIGHT...W winds 5 to 10 kt. Waves around 2 ft. .SUN...NW winds 5 to 10 kt, becoming E in the afternoon. Waves around 2 ft in the morning, then 1 ft or less. .SUN NIGHT...SW winds 5 to 10 kt, becoming W 15 to 20 kt with gusts up to 25 kt after midnight. Waves 1 ft or less, then around 2 ft after midnight. Wave Detail: W 1 ft at 2 seconds. .MON...NW winds 20 to 25 kt with gusts up to 30 kt. Waves 2 to 3 ft. .MON NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Waves 1 to 2 ft. .TUE...SW winds 10 to 15 kt with gusts up to 20 kt. Waves 1 ft or less. .TUE NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Waves 1 to 2 ft. $$ ANZ340-052115- Peconic and Gardiners Bays- 315 AM EST Fri Dec 5 2025 .TODAY...N winds around 10 kt with gusts up to 20 kt, becoming SE 5 to 10 kt this afternoon. Waves 1 to 2 ft early, then 1 ft or less. .TONIGHT...SE winds around 5 kt. Waves 1 ft or less. Slight chance of light snow or rain after midnight. .SAT...SW winds around 5 kt, increasing to 5 to 10 kt in the afternoon. Waves 1 ft or less. Slight chance of light rain in the morning. .SAT NIGHT...NW winds 5 to 10 kt. Waves 1 ft or less. .SUN...N winds 5 to 10 kt, becoming E in the afternoon. Waves 1 ft or less. .SUN NIGHT...SW winds around 5 kt, becoming W 15 to 20 kt after midnight. Waves 1 ft or less, then around 2 ft after midnight. Chance of snow showers in the evening. Chance of showers. Vsby 1 to 3 nm. .MON...NW winds 15 to 20 kt with gusts up to 30 kt. Waves 1 to 2 ft. .MON NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Waves 1 to 2 ft. .TUE...W winds 10 to 15 kt with gusts up to 20 kt. Waves 1 ft or less. .TUE NIGHT...SW winds 15 to 20 kt. Waves 1 ft or less. $$ ANZ345-052115- South Shore Bays from Jones Inlet through Shinnecock Bay- 315 AM EST Fri Dec 5 2025 .TODAY...NE winds 5 to 10 kt, becoming E late this morning. Waves 1 ft or less. .TONIGHT...NE winds around 5 kt. Waves 1 ft or less. Slight chance of light snow or rain. .SAT...NW winds 5 to 10 kt, becoming W in the afternoon. Waves 1 ft or less. Slight chance of light rain in the morning. .SAT NIGHT...NW winds 5 to 10 kt. Waves 1 ft or less. .SUN...N winds 5 to 10 kt, becoming NE in the afternoon. Waves 1 ft or less. .SUN NIGHT...SW winds 5 to 10 kt, becoming W 15 to 20 kt with gusts up to 25 kt after midnight. Waves 1 ft or less, then around 2 ft after midnight. Chance of snow showers in the evening. Vsby 1 to 3 nm. .MON...NW winds 20 to 25 kt with gusts up to 30 kt. Waves 1 to 2 ft. .MON NIGHT...N winds 15 to 20 kt. Waves 1 to 2 ft. .TUE...SW winds 15 to 20 kt with gusts up to 25 kt. Waves 1 to 2 ft. .TUE NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Waves 1 to 2 ft. $$