Coastal Waters Forecast
Issued by NWS Upton, NY
Issued by NWS Upton, NY
820 FZUS51 KOKX 072046 CWFOKX Coastal Waters Forecast National Weather Service New York NY 346 PM EST Sun Dec 7 2025 Montauk Point NY to Sandy Hook NJ out 20 nm offshore, including Long Island Sound, the Long Island Bays, and New York Harbor ANZ300-080915- 346 PM EST Sun Dec 7 2025 .Synopsis for the Long Island and Connecticut coastal waters... A cold front moves across the region tonight, with arctic high pressure building in behind it Monday into Tuesday. The high weakens and shifts offshore as a clipper system passes to the north Tuesday night. A couple of systems may then impact the area mid to late week. $$ ANZ350-080915- Moriches Inlet NY to Montauk Point NY out 20 nm- 346 PM EST Sun Dec 7 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM 1 AM EST MONDAY THROUGH MONDAY AFTERNOON... .TONIGHT...W winds 15 to 20 kt, becoming NW 20 to 25 kt after midnight. Seas 3 to 5 ft, occasionally to 6 ft. Wave Detail: W 5 ft at 5 seconds and E 3 ft at 8 seconds. .MON...N winds 20 to 25 kt, diminishing to 15 to 20 kt in the afternoon. Seas 4 to 6 ft, occasionally to 8 ft. Wave Detail: N 5 ft at 5 seconds and E 2 ft at 8 seconds. .MON NIGHT...N winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Seas 2 to 4 ft, occasionally to 5 ft. Wave Detail: NE 3 ft at 4 seconds and E 2 ft at 8 seconds. .TUE...E winds 5 to 10 kt, becoming S 15 to 20 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: S 2 ft at 3 seconds and NE 2 ft at 4 seconds. .TUE NIGHT...SW winds 20 to 25 kt with gusts up to 30 kt. Seas 4 to 6 ft, occasionally to 8 ft, building to 6 to 8 ft, occasionally to 10 ft after midnight. Wave Detail: SW 6 ft at 6 seconds and E 1 ft at 5 seconds, becoming SW 8 ft at 8 seconds. .WED...SW winds 25 to 30 kt with gusts up to 40 kt. Seas 8 to 11 ft, occasionally to 14 ft. Chance of rain. .WED NIGHT...W winds 25 to 30 kt with gusts up to 40 kt. Seas 9 to 13 ft, occasionally to 17 ft. Chance of rain. .THU...W winds 20 to 25 kt with gusts up to 30 kt. Seas 6 to 9 ft, occasionally to 11 ft. .THU NIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 6 ft, occasionally to 8 ft. Chance of rain. $$ ANZ353-080915- Fire Island Inlet NY to Moriches Inlet NY out 20 nm- 346 PM EST Sun Dec 7 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM 1 AM EST MONDAY THROUGH MONDAY AFTERNOON... .TONIGHT...W winds 15 to 20 kt, becoming NW 20 to 25 kt with gusts up to 30 kt after midnight. Seas 3 to 5 ft, occasionally to 6 ft. Wave Detail: W 4 ft at 4 seconds and SE 3 ft at 9 seconds. .MON...N winds 20 to 25 kt, diminishing to 15 to 20 kt in the afternoon. Seas 4 to 6 ft, occasionally to 8 ft. Wave Detail: N 5 ft at 5 seconds and E 2 ft at 9 seconds. .MON NIGHT...N winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Seas 2 to 4 ft, occasionally to 5 ft. Wave Detail: NE 4 ft at 5 seconds and E 2 ft at 8 seconds. .TUE...E winds 5 to 10 kt, becoming S 15 to 20 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: S 3 ft at 3 seconds and E 2 ft at 5 seconds. .TUE NIGHT...SW winds 20 to 25 kt with gusts up to 30 kt. Seas 4 to 6 ft, occasionally to 8 ft, building to 6 to 7 ft, occasionally to 9 ft after midnight. Wave Detail: SW 6 ft at 6 seconds and E 1 ft at 5 seconds, becoming SW 7 ft at 6 seconds and S 7 ft at 9 seconds. .WED...SW winds 25 to 30 kt with gusts up to 40 kt. Seas 7 to 10 ft, occasionally to 13 ft. Chance of rain. .WED NIGHT...W winds 25 to 30 kt. Seas 8 to 11 ft, occasionally to 14 ft. Chance of rain. .THU...W winds 20 to 25 kt with gusts up to 30 kt. Seas 5 to 7 ft, occasionally to 9 ft. .THU NIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft, occasionally to 6 ft. Chance of rain. Vsby 1 to 3 nm. $$ ANZ355-080915- Sandy Hook NJ to Fire Island Inlet NY out 20 nm- 346 PM EST Sun Dec 7 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM 1 AM EST MONDAY THROUGH MONDAY AFTERNOON... .TONIGHT...W winds 10 to 15 kt with gusts up to 20 kt, becoming NW 15 to 20 kt with gusts up to 30 kt after midnight. Seas 2 to 4 ft, occasionally to 5 ft. Wave Detail: W 3 ft at 4 seconds and SE 2 ft at 8 seconds. .MON...N winds 20 to 25 kt, diminishing to 15 to 20 kt in the afternoon. Seas 3 to 5 ft, occasionally to 6 ft. Wave Detail: N 4 ft at 4 seconds and SE 2 ft at 9 seconds. .MON NIGHT...N winds 10 to 15 kt. Seas 2 to 4 ft, occasionally to 5 ft. Wave Detail: NE 3 ft at 5 seconds and E 1 ft at 8 seconds. .TUE...E winds 5 to 10 kt, becoming S 15 to 20 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: S 2 ft at 3 seconds and E 2 ft at 5 seconds. .TUE NIGHT...SW winds 20 to 25 kt with gusts up to 30 kt. Seas 4 to 6 ft, occasionally to 8 ft. Wave Detail: SW 5 ft at 5 seconds and SE 5 ft at 9 seconds. .WED...SW winds 25 to 30 kt. Seas 5 to 8 ft, occasionally to 10 ft. Chance of rain. .WED NIGHT...SW winds 20 to 25 kt with gusts up to 30 kt. Seas 6 to 9 ft, occasionally to 11 ft. Chance of rain. .THU...W winds 20 to 25 kt with gusts up to 30 kt. Seas 4 to 6 ft, occasionally to 8 ft. .THU NIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft, occasionally to 5 ft. Chance of snow. Vsby 1 to 3 nm. $$ ANZ332-080915- Long Island Sound East of the Mouth of the Connecticut River- 346 PM EST Sun Dec 7 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM 1 AM EST MONDAY THROUGH MONDAY AFTERNOON... .TONIGHT...W winds 10 to 15 kt with gusts up to 20 kt, becoming NW 15 to 20 kt with gusts up to 30 kt after midnight. Seas 2 to 3 ft. Wave Detail: W 2 ft at 3 seconds and E 2 ft at 8 seconds. .MON...N winds 15 to 20 kt, diminishing to 10 to 15 kt in the afternoon. Gusts up to 30 kt. Seas 2 to 3 ft. Wave Detail: N 3 ft at 3 seconds and E 1 ft at 8 seconds. .MON NIGHT...N winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt after midnight. Seas around 2 ft. Wave Detail: N 1 ft at 3 seconds. .TUE...E winds around 5 kt, becoming S 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 1 ft or less, then around 2 ft in the afternoon. Wave Detail: NE 1 ft at 2 seconds, becoming E 1 ft at 2 seconds and S 1 ft at 2 seconds. .TUE NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 3 seconds. Chance of rain in the evening. .WED...SW winds 20 to 25 kt with gusts up to 30 kt. Seas 2 to 4 ft, occasionally to 5 ft. Chance of rain. .WED NIGHT...SW winds 20 to 25 kt with gusts up to 30 kt. Seas 3 to 5 ft, occasionally to 6 ft. Chance of rain. .THU...W winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft, occasionally to 5 ft. .THU NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. $$ ANZ331-080915- Long Island Sound East of New Haven CT/Port Jefferson NY to the Mouth of the Connecticut River- 346 PM EST Sun Dec 7 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM 1 AM EST MONDAY THROUGH MONDAY AFTERNOON... .TONIGHT...W winds 10 to 15 kt, becoming NW 15 to 25 kt after midnight. Seas 2 to 3 ft. Wave Detail: W 2 ft at 3 seconds. .MON...N winds 20 to 25 kt, diminishing to 10 to 15 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: N 3 ft at 4 seconds. .MON NIGHT...N winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt after midnight. Seas around 2 ft in the evening, then 1 ft or less. Wave Detail: NE 1 ft at 3 seconds, becoming NE 1 ft at 2 seconds. .TUE...E winds around 5 kt, becoming S 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 1 ft or less. Wave Detail: S 1 ft at 2 seconds. .TUE NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 4 seconds. .WED...SW winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to 4 ft, occasionally to 5 ft. Chance of rain. .WED NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft, occasionally to 5 ft. Chance of rain. .THU...W winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft, occasionally to 5 ft. .THU NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. $$ ANZ335-080915- Long Island Sound West of New Haven CT/Port Jefferson NY- 346 PM EST Sun Dec 7 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM 1 AM EST MONDAY THROUGH MONDAY AFTERNOON... .TONIGHT...W winds 10 to 15 kt, becoming NW 15 to 25 kt after midnight. Seas 1 to 2 ft. Wave Detail: W 2 ft at 3 seconds. .MON...N winds 15 to 25 kt, diminishing to 10 to 15 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: NW 2 ft at 2 seconds. .MON NIGHT...N winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt after midnight. Seas around 2 ft in the evening, then 1 ft or less. Wave Detail: NE 1 ft at 3 seconds. .TUE...E winds around 5 kt, becoming S 10 to 15 kt in the afternoon. Seas 1 ft or less. Wave Detail: S 1 ft at 2 seconds. .TUE NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 3 seconds. .WED...SW winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to 3 ft. Chance of rain. .WED NIGHT...SW winds 20 to 25 kt with gusts up to 30 kt. Seas 2 to 4 ft, occasionally to 5 ft. Chance of rain. .THU...W winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft, occasionally to 5 ft. .THU NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Chance of rain and snow. Vsby 1 to 3 nm. $$ ANZ338-080915- New York Harbor- 346 PM EST Sun Dec 7 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM 1 AM EST MONDAY THROUGH MONDAY AFTERNOON... .TONIGHT...W winds 10 to 15 kt, becoming NW 15 to 20 kt with gusts up to 25 kt after midnight. Waves 1 to 2 ft. .MON...N winds 15 to 25 kt, diminishing to 10 to 15 kt in the afternoon. Waves around 2 ft. .MON NIGHT...N winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt after midnight. Waves around 2 ft. .TUE...E winds around 5 kt, becoming S 10 to 15 kt with gusts up to 20 kt in the afternoon. Waves 1 ft or less. .TUE NIGHT...SW winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Waves 1 to 2 ft. Wave Detail: SW 1 ft at 2 seconds. .WED...SW winds 15 to 20 kt with gusts up to 25 kt. Waves 1 to 2 ft. Chance of rain. .WED NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Waves 2 to 3 ft. Chance of rain. .THU...W winds 15 to 20 kt with gusts up to 25 kt. Waves around 2 ft. .THU NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Waves around 2 ft. Chance of rain and snow. Vsby 1 to 3 nm. $$ ANZ340-080915- Peconic and Gardiners Bays- 346 PM EST Sun Dec 7 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM 1 AM EST MONDAY THROUGH MONDAY AFTERNOON... .TONIGHT...W winds 10 to 15 kt, becoming NW 15 to 25 kt after midnight. Waves 1 ft or less, then 1 to 2 ft after midnight. .MON...N winds 15 to 20 kt, diminishing to 10 to 15 kt in the afternoon. Gusts up to 30 kt. Waves around 2 ft. .MON NIGHT...N winds 5 to 10 kt. Waves 1 ft or less. .TUE...E winds around 5 kt, becoming S 10 to 15 kt with gusts up to 20 kt in the afternoon. Waves 1 ft or less. .TUE NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Waves 1 to 2 ft. .WED...SW winds 15 to 20 kt with gusts up to 30 kt. Waves 2 to 3 ft. Chance of rain. .WED NIGHT...SW winds 15 to 20 kt with gusts up to 30 kt. Waves 2 to 3 ft. Chance of rain. .THU...W winds 15 to 20 kt with gusts up to 25 kt. Waves 2 to 3 ft. .THU NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Waves around 2 ft. Chance of rain. $$ ANZ345-080915- South Shore Bays from Jones Inlet through Shinnecock Bay- 346 PM EST Sun Dec 7 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM 1 AM EST MONDAY THROUGH MONDAY AFTERNOON... .TONIGHT...W winds 10 to 15 kt, becoming NW 15 to 25 kt after midnight. Waves 1 ft or less. .MON...N winds 15 to 20 kt, diminishing to 10 to 15 kt in the afternoon. Gusts up to 30 kt. Waves 1 ft or less. .MON NIGHT...N winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt after midnight. Waves 1 ft or less. .TUE...E winds around 5 kt, becoming S 10 to 15 kt with gusts up to 20 kt in the afternoon. Waves 1 ft or less. .TUE NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Waves around 2 ft. .WED...SW winds 20 to 25 kt with gusts up to 30 kt. Waves around 2 ft. Chance of rain. .WED NIGHT...SW winds 20 to 25 kt with gusts up to 30 kt. Waves around 2 ft. Chance of rain. .THU...W winds 15 to 20 kt with gusts up to 25 kt. Waves around 2 ft. .THU NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Waves around 2 ft. Chance of rain. $$