Coastal Waters Forecast
Issued by NWS Upton, NY
Issued by NWS Upton, NY
107 FZUS51 KOKX 061757 CWFOKX Coastal Waters Forecast National Weather Service New York NY 1257 PM EST Sat Dec 6 2025 Montauk Point NY to Sandy Hook NJ out 20 nm offshore, including Long Island Sound, the Long Island Bays, and New York Harbor ANZ300-070615- 1257 PM EST Sat Dec 6 2025 .Synopsis for the Long Island and Connecticut coastal waters... Weak high pressure builds over the area tonight and into Sunday. A strong cold front will move through Sunday night ushering in a cold high pressure system for Monday into Tuesday. A couple of low pressure systems may impact the area the mid to late next week. $$ ANZ350-070615- Moriches Inlet NY to Montauk Point NY out 20 nm- 1257 PM EST Sat Dec 6 2025 .REST OF TODAY...W winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: W 2 ft at 3 seconds and SE 2 ft at 10 seconds. Slight chance of drizzle. .TONIGHT...NW winds 10 to 15 kt. Seas 2 to 4 ft, occasionally to 5 ft. Wave Detail: W 3 ft at 4 seconds and S 2 ft at 8 seconds. .SUN...N winds 5 to 10 kt, becoming S in the afternoon. Seas around 3 ft. Wave Detail: W 2 ft at 4 seconds and S 2 ft at 7 seconds. .SUN NIGHT...W winds 10 to 15 kt, becoming NW 20 to 25 kt after midnight. Seas 3 to 4 ft, occasionally to 5 ft, building to 4 to 6 ft, occasionally to 8 ft after midnight. Wave Detail: SW 3 ft at 4 seconds and SE 3 ft at 9 seconds, becoming SW 5 ft at 6 seconds and E 3 ft at 9 seconds. .MON...NW winds 25 to 30 kt, becoming N 20 to 25 kt in the afternoon. Seas 4 to 6 ft, occasionally to 8 ft. Wave Detail: NW 5 ft at 5 seconds and SE 2 ft at 9 seconds. .MON NIGHT...N winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Seas 3 to 5 ft, occasionally to 6 ft. Wave Detail: N 4 ft at 5 seconds and E 1 ft at 8 seconds. .TUE...W winds 5 to 10 kt, becoming SW 15 to 20 kt with gusts up to 30 kt in the afternoon. Seas 2 to 4 ft, occasionally to 5 ft. .TUE NIGHT...SW winds 20 to 25 kt with gusts up to 30 kt. Seas 5 to 7 ft, occasionally to 9 ft. .WED...SW winds 20 to 25 kt with gusts up to 30 kt. Seas 6 to 9 ft, occasionally to 11 ft. Chance of rain. .WED NIGHT...W winds 20 to 25 kt with gusts up to 30 kt. Seas 7 to 10 ft, occasionally to 13 ft. Chance of rain. .THU...W winds 20 to 25 kt with gusts up to 30 kt. Seas 6 to 8 ft, occasionally to 10 ft. Chance of rain. .THU NIGHT...W winds 15 to 20 kt with gusts up to 30 kt. Seas 5 to 7 ft, occasionally to 9 ft. Chance of rain. $$ ANZ353-070615- Fire Island Inlet NY to Moriches Inlet NY out 20 nm- 1257 PM EST Sat Dec 6 2025 .REST OF TODAY...W winds 5 to 10 kt, increasing to 10 to 15 kt late. Seas 2 to 3 ft. Wave Detail: W 2 ft at 3 seconds and SE 2 ft at 5 seconds. Slight chance of drizzle early this afternoon. .TONIGHT...NW winds 10 to 15 kt. Seas 3 to 4 ft, occasionally to 5 ft. Wave Detail: W 3 ft at 4 seconds and SE 3 ft at 9 seconds. .SUN...N winds 5 to 10 kt, becoming SW in the afternoon. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 9 seconds and W 2 ft at 4 seconds. .SUN NIGHT...W winds 10 to 15 kt, becoming NW 20 to 25 kt after midnight. Seas 3 to 5 ft, occasionally to 6 ft. Wave Detail: SW 4 ft at 6 seconds and SE 2 ft at 9 seconds. .MON...N winds 20 to 25 kt with gusts up to 30 kt. 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 3 to 5 ft, occasionally to 6 ft. Wave Detail: N 4 ft at 5 seconds and W 1 ft at 4 seconds. .TUE...E winds 5 to 10 kt, becoming SW 15 to 20 kt with gusts up to 30 kt in the afternoon. Seas 2 to 4 ft, occasionally to 5 ft. .TUE NIGHT...SW winds 20 to 25 kt with gusts up to 30 kt. Seas 4 to 6 ft, occasionally to 8 ft. .WED...SW winds 20 to 25 kt with gusts up to 30 kt. Seas 5 to 8 ft, occasionally to 10 ft. Chance of rain. .WED NIGHT...W winds 20 to 25 kt with gusts up to 30 kt. Seas 7 to 10 ft, occasionally to 13 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. Chance of rain. .THU NIGHT...W winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to 6 ft, occasionally to 8 ft. Chance of rain. $$ ANZ355-070615- Sandy Hook NJ to Fire Island Inlet NY out 20 nm- 1257 PM EST Sat Dec 6 2025 .REST OF TODAY...W winds 5 to 10 kt, increasing to 10 to 15 kt late. Seas 2 to 3 ft. Wave Detail: SE 2 ft at 5 seconds and W 1 ft at 3 seconds. .TONIGHT...NW winds 10 to 15 kt. Seas 2 to 4 ft, occasionally to 5 ft. Wave Detail: W 2 ft at 4 seconds and SE 2 ft at 9 seconds. .SUN...N winds 5 to 10 kt, becoming SW in the afternoon. Seas 2 to 3 ft. Wave Detail: NW 2 ft at 3 seconds and SE 2 ft at 9 seconds. .SUN NIGHT...W winds 10 to 15 kt, becoming NW 20 to 25 kt after midnight. Seas 2 to 4 ft, occasionally to 5 ft. Wave Detail: W 4 ft at 4 seconds and SE 2 ft at 9 seconds. .MON...N winds 20 to 25 kt, diminishing to 15 to 20 kt in the afternoon. Seas 3 to 5 ft, occasionally to 6 ft. Wave Detail: N 4 ft at 4 seconds and SE 2 ft at 9 seconds. .MON NIGHT...N winds 15 to 20 kt with gusts up to 25 kt, diminishing to 10 to 15 kt after midnight. Seas 2 to 4 ft, occasionally to 5 ft. Wave Detail: N 3 ft at 4 seconds and E 1 ft at 8 seconds. .TUE...E winds 5 to 10 kt, becoming SW 15 to 20 kt with gusts up to 25 kt in the afternoon. Seas 2 to 4 ft, occasionally to 5 ft. .TUE NIGHT...SW winds 20 to 25 kt with gusts up to 30 kt. Seas 3 to 5 ft, occasionally to 6 ft. .WED...SW winds 20 to 25 kt with gusts up to 30 kt. Seas 5 to 7 ft, occasionally to 9 ft. Chance of rain. .WED NIGHT...SW winds 20 to 25 kt with gusts up to 30 kt. Seas 5 to 7 ft, occasionally to 9 ft. Chance of rain. .THU...W winds 20 to 25 kt with gusts up to 30 kt. Seas 4 to 6 ft, occasionally to 8 ft. Chance of rain. .THU NIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft, occasionally to 6 ft. Chance of rain. $$ ANZ332-070615- Long Island Sound East of the Mouth of the Connecticut River- 1257 PM EST Sat Dec 6 2025 .REST OF TODAY...W winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SW 1 ft at 2 seconds and SE 1 ft at 3 seconds. Slight chance of drizzle early this afternoon. .TONIGHT...NW winds 5 to 10 kt. Seas around 2 ft in the evening, then 1 ft or less. Wave Detail: W 1 ft at 2 seconds and E 1 ft at 8 seconds, becoming W 1 ft at 3 seconds and E 1 ft at 8 seconds. .SUN...N winds 5 to 10 kt, becoming SE in the afternoon. Seas 1 ft or less. Wave Detail: W 1 ft at 2 seconds and E 1 ft at 8 seconds. .SUN NIGHT...SW winds 10 to 15 kt, becoming NW 15 to 20 kt with gusts up to 25 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 with gusts up to 25 kt. Seas 2 to 3 ft. Wave Detail: NW 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 in the evening, then 1 ft or less. Wave Detail: N 2 ft at 3 seconds, becoming N 1 ft at 3 seconds. .TUE...W winds 5 to 10 kt, becoming SW 15 to 20 kt with gusts up to 25 kt in the afternoon. Seas 1 ft or less, then around 2 ft in the afternoon. .TUE NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 3 ft. .WED...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 3 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 3 ft. Chance of rain. .THU NIGHT...W winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. Chance of rain. $$ ANZ331-070615- Long Island Sound East of New Haven CT/Port Jefferson NY to the Mouth of the Connecticut River- 1257 PM EST Sat Dec 6 2025 .REST OF TODAY...W winds 5 to 10 kt. Seas 1 to 2 ft. Wave Detail: W 1 ft at 2 seconds. Slight chance of drizzle early this afternoon. .TONIGHT...NW winds 5 to 10 kt. Seas around 2 ft in the evening, then 1 ft or less. Wave Detail: W 1 ft at 3 seconds. .SUN...N winds around 5 kt, becoming S in the afternoon. Seas 1 ft or less. Wave Detail: W 1 ft at 3 seconds. .SUN NIGHT...SW winds 10 to 15 kt, becoming NW 15 to 20 kt after midnight. Seas 2 to 3 ft. Wave Detail: W 3 ft at 4 seconds. .MON...NW winds 20 to 25 kt, becoming N 15 to 20 kt in the afternoon. Seas 2 to 4 ft, occasionally to 5 ft. Wave Detail: NW 3 ft at 4 seconds. .MON NIGHT...N winds 15 to 20 kt, diminishing to 5 to 10 kt after midnight. Seas around 2 ft in the evening, then 1 ft or less. Wave Detail: N 2 ft at 3 seconds, becoming NW 1 ft at 3 seconds. .TUE...W winds 5 to 10 kt, becoming SW 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 1 ft or less, then around 2 ft in the afternoon. .TUE NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 3 ft. .WED...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 3 ft. Chance of rain. .WED NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft, occasionally to 5 ft. Chance of rain. .THU...W winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft, occasionally to 5 ft. Chance of rain. .THU NIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 3 ft. Chance of rain. $$ ANZ335-070615- Long Island Sound West of New Haven CT/Port Jefferson NY- 1257 PM EST Sat Dec 6 2025 .REST OF TODAY...W winds 5 to 10 kt. Seas 1 to 2 ft. .TONIGHT...W winds 10 to 15 kt, becoming NW 5 to 10 kt after midnight. Seas around 2 ft. Wave Detail: W 1 ft at 2 seconds. .SUN...N winds around 5 kt, becoming S in the afternoon. Seas 1 ft or less. .SUN NIGHT...SW winds 10 to 15 kt, becoming NW 15 to 20 kt after midnight. Seas 2 to 4 ft, occasionally to 5 ft. Wave Detail: W 2 ft at 3 seconds. .MON...N winds 20 to 25 kt, diminishing to 15 to 20 kt in the afternoon. Seas 2 to 4 ft, occasionally to 5 ft. Wave Detail: NW 2 ft at 3 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...W winds 5 to 10 kt, becoming SW 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. .TUE NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 3 ft. .WED...SW winds 10 to 15 kt with gusts up to 25 kt. Seas around 2 ft. Chance of rain. Vsby 1 to 3 nm. .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. Chance of rain. .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 rain. $$ ANZ338-070615- New York Harbor- 1257 PM EST Sat Dec 6 2025 .REST OF TODAY...W winds 5 to 10 kt. Waves 1 ft or less. .TONIGHT...W winds 5 to 10 kt. Waves around 2 ft in the evening, then 1 ft or less. .SUN...NW winds around 5 kt, becoming SW in the afternoon. Waves 1 ft or less. .SUN NIGHT...W winds 5 to 10 kt, becoming NW 15 to 20 kt after midnight. Waves 2 to 3 ft. .MON...N winds 15 to 20 kt with gusts up to 25 kt. Waves 2 to 3 ft. Wave Detail: NW 2 ft at 2 seconds. .MON NIGHT...N winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt after midnight. Waves around 2 ft in the evening, then 1 ft or less. .TUE...W winds around 5 kt, becoming SW 10 to 15 kt with gusts up to 20 kt in the afternoon. Waves 1 ft or less, then around 2 ft in the afternoon. .TUE NIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Waves around 2 ft. .WED...SW winds 10 to 15 kt with gusts up to 20 kt. Waves around 2 ft. Chance of rain. Vsby 1 to 3 nm. .WED NIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Waves around 2 ft. Chance of rain. .THU...W winds 15 to 20 kt with gusts up to 25 kt. Waves around 2 ft. Chance of rain. .THU NIGHT...W winds 10 to 15 kt with gusts up to 25 kt. Waves around 2 ft. Chance of rain. Vsby 1 to 3 nm. $$ ANZ340-070615- Peconic and Gardiners Bays- 1257 PM EST Sat Dec 6 2025 .REST OF TODAY...W winds 5 to 10 kt. Waves 1 ft or less. Slight chance of drizzle early this afternoon. .TONIGHT...NW winds 5 to 10 kt. Waves 1 ft or less. .SUN...N winds around 5 kt, becoming SE in the afternoon. Waves 1 ft or less. .SUN NIGHT...SW winds 5 to 10 kt, becoming NW 15 to 20 kt after midnight. Waves 1 ft or less, then around 2 ft after midnight. .MON...N winds 15 to 20 kt with gusts up to 25 kt. Waves 2 to 3 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 in the evening, then 1 ft or less. .TUE...W winds around 5 kt, becoming SW 10 to 15 kt with gusts up to 25 kt in the afternoon. Waves 1 ft or less, then around 2 ft in the afternoon. .TUE NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Waves around 2 ft. .WED...SW winds 15 to 20 kt with gusts up to 25 kt. Waves around 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 2 to 3 ft. Chance of rain. .THU NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Waves around 2 ft. Chance of rain. $$ ANZ345-070615- South Shore Bays from Jones Inlet through Shinnecock Bay- 1257 PM EST Sat Dec 6 2025 .REST OF TODAY...W winds 5 to 10 kt. Waves 1 ft or less. Slight chance of drizzle early this afternoon. .TONIGHT...W winds 10 to 15 kt, becoming NW 5 to 10 kt after midnight. Waves around 2 ft in the evening, then 1 ft or less. .SUN...N winds around 5 kt, becoming SW in the afternoon. Waves 1 ft or less. .SUN NIGHT...W winds 10 to 15 kt, becoming NW 15 to 20 kt with gusts up to 25 kt after midnight. Waves around 2 ft. .MON...N winds 15 to 20 kt with gusts up to 25 kt. Waves around 2 ft. .MON NIGHT...N winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt after midnight. Waves around 2 ft in the evening, then 1 ft or less. .TUE...E winds 5 to 10 kt, becoming SW 10 to 15 kt with gusts up to 25 kt in the afternoon. Waves 1 ft or less, then around 2 ft in the afternoon. .TUE NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Waves around 2 ft. .WED...SW winds 15 to 20 kt with gusts up to 25 kt. Waves around 2 ft. Chance of rain. .WED NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Waves around 2 ft. Chance of rain. .THU...W winds 15 to 20 kt with gusts up to 25 kt. Waves around 2 ft. Chance of rain. .THU NIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Waves around 2 ft. Chance of rain. $$