Coastal Waters Forecast
Issued by NWS Upton, NY
Issued by NWS Upton, NY
184 FZUS51 KOKX 061043 CWFOKX Coastal Waters Forecast National Weather Service New York NY 543 AM 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 ANZ300-062315- 543 AM EST Sat Dec 6 2025 .Synopsis for the Long Island and Connecticut coastal waters... A weak surface trough extending north from low pressure moving off the southern Mid Atlantic coast will impact the area into this morning. Weak high pressure will then move into the area tonight into Sunday. A strong cold front moves through Sunday night. High pressure builds from the west Monday, remaining in control through Tuesday. A couple of low pressure systems may impact the area the mid to late next week. $$ ANZ350-062315- Moriches Inlet NY to Montauk Point NY out 20 nm- 543 AM EST Sat Dec 6 2025 .TODAY...E winds around 5 kt, becoming S late this morning, then becoming W this afternoon. Seas 2 to 3 ft. Wave Detail: SE 2 ft at 4 seconds and SE 2 ft at 10 seconds. Chance of drizzle until late afternoon, then slight chance of drizzle late. .TONIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft, occasionally to 5 ft. Wave Detail: SE 3 ft at 9 seconds and W 2 ft at 4 seconds. .SUN...N winds 5 to 10 kt, becoming W in the afternoon. Seas 3 to 4 ft, occasionally to 5 ft. Wave Detail: SE 3 ft at 9 seconds and W 2 ft at 4 seconds. .SUN NIGHT...W winds 10 to 15 kt with gusts up to 20 kt, becoming NW 25 to 30 kt after midnight. Seas 3 to 4 ft, occasionally to 5 ft, building to 4 to 6 ft, occasionally to 8 ft after midnight. Wave Detail: SE 3 ft at 8 seconds and SW 2 ft at 4 seconds, becoming SW 5 ft at 6 seconds and E 2 ft at 8 seconds. .MON...N winds 25 to 30 kt. Seas 5 to 7 ft, occasionally to 9 ft. Wave Detail: W 5 ft at 6 seconds and SE 2 ft at 8 seconds. .MON NIGHT...N winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft, occasionally to 5 ft. Wave Detail: NW 3 ft at 5 seconds and E 1 ft at 8 seconds. .TUE...S winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft, occasionally to 5 ft. .TUE NIGHT...SW winds 20 to 25 kt with gusts up to 30 kt. Seas 5 to 7 ft, occasionally to 9 ft. .WED...SW winds 20 to 25 kt with gusts up to 30 kt. Seas 6 to 9 ft, occasionally to 11 ft. Chance of rain. .WED NIGHT...SW winds 25 to 30 kt. Seas 8 to 11 ft, occasionally to 14 ft. Chance of rain. $$ ANZ353-062315- Fire Island Inlet NY to Moriches Inlet NY out 20 nm- 543 AM EST Sat Dec 6 2025 .TODAY...NE winds around 5 kt, becoming NW late this morning, then increasing to 10 to 15 kt this afternoon. Seas 2 to 3 ft. Wave Detail: W 2 ft at 3 seconds and SE 2 ft at 5 seconds. Chance of drizzle this morning, then slight chance of drizzle early this afternoon. .TONIGHT...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 3 ft at 9 seconds. .SUN...N 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 9 seconds and W 2 ft at 4 seconds. .SUN NIGHT...W winds 10 to 15 kt with gusts up 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: SW 5 ft at 6 seconds and SE 2 ft at 8 seconds. .MON...N winds 25 to 30 kt, diminishing to 20 to 25 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: N 4 ft at 4 seconds and W 1 ft at 5 seconds. .TUE...S 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 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 25 to 30 kt. Seas 7 to 10 ft, occasionally to 13 ft. Chance of rain. $$ ANZ355-062315- Sandy Hook NJ to Fire Island Inlet NY out 20 nm- 543 AM EST Sat Dec 6 2025 .TODAY...NW winds 5 to 10 kt, becoming W late. Seas 2 to 3 ft. Wave Detail: SE 2 ft at 5 seconds and SE 2 ft at 10 seconds. Chance of drizzle early this morning, then slight chance of drizzle late this morning. .TONIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft, occasionally to 5 ft. Wave Detail: SE 3 ft at 9 seconds and W 2 ft at 4 seconds. .SUN...NW winds 5 to 10 kt, becoming W in the afternoon. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 9 seconds and NW 2 ft at 3 seconds. .SUN NIGHT...W winds 10 to 15 kt with gusts up to 20 kt, becoming NW 20 to 25 kt with gusts up to 30 kt after midnight. Seas 2 to 3 ft, building to 3 to 5 ft, occasionally to 6 ft after midnight. Wave Detail: W 2 ft at 3 seconds and SE 2 ft at 9 seconds, becoming W 4 ft at 4 seconds and SE 2 ft at 7 seconds. .MON...N winds 20 to 25 kt with gusts up to 30 kt. Seas 3 to 5 ft, occasionally to 6 ft. Wave Detail: N 5 ft at 4 seconds and SE 2 ft at 8 seconds. .MON NIGHT...N winds 10 to 15 kt. Gusts up to 25 kt in the evening. Seas 2 to 4 ft, occasionally to 5 ft. Wave Detail: N 3 ft at 4 seconds and SE 1 ft at 8 seconds. .TUE...S winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft, occasionally to 5 ft. .TUE NIGHT...SW winds 20 to 25 kt. Seas 3 to 5 ft, occasionally to 6 ft. .WED...SW winds 20 to 25 kt with gusts up to 30 kt. Seas 5 to 7 ft, occasionally to 9 ft. Chance of rain. .WED NIGHT...W winds 20 to 25 kt with gusts up to 30 kt. Seas 5 to 8 ft, occasionally to 10 ft. Chance of rain. $$ ANZ332-062315- Long Island Sound East of the Mouth of the Connecticut River- 543 AM EST Sat Dec 6 2025 .TODAY...E winds around 5 kt, becoming W this afternoon. Seas 1 ft or less, then around 2 ft this afternoon. Wave Detail: W 1 ft at 2 seconds and SE 1 ft at 3 seconds. Chance of drizzle and freezing drizzle early this morning, then chance of drizzle late this morning and early afternoon. .TONIGHT...NW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: W 1 ft at 2 seconds and E 1 ft at 9 seconds. .SUN...N winds 5 to 10 kt, becoming W in the afternoon. Seas around 2 ft. Wave Detail: NW 1 ft at 3 seconds and E 1 ft at 8 seconds. .SUN NIGHT...W winds 5 to 10 kt, becoming NW 20 to 25 kt after midnight. Seas 2 to 3 ft. Wave Detail: W 3 ft at 3 seconds and E 2 ft at 8 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 and E 1 ft at 8 seconds. .MON NIGHT...N winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: N 2 ft at 4 seconds. .TUE...SW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. .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. $$ ANZ331-062315- Long Island Sound East of New Haven CT/Port Jefferson NY to the Mouth of the Connecticut River- 543 AM EST Sat Dec 6 2025 .TODAY...N winds around 5 kt, becoming W this afternoon. Seas 1 ft or less. Wave Detail: W 1 ft at 2 seconds. Chance of freezing drizzle and snow early this morning. Chance of drizzle this morning, then slight chance of drizzle early this afternoon. .TONIGHT...NW winds 5 to 10 kt. Seas 1 ft or less. Wave Detail: W 1 ft at 3 seconds. .SUN...N winds 5 to 10 kt, becoming SW in the afternoon. Seas 1 ft or less. Wave Detail: NW 1 ft at 3 seconds. .SUN NIGHT...W winds 5 to 10 kt, becoming NW 20 to 25 kt after midnight. Seas 1 ft or less, then 2 to 3 ft after midnight. Wave Detail: W 1 ft at 2 seconds, becoming W 3 ft at 4 seconds. .MON...NW winds 20 to 25 kt, becoming N 15 to 20 kt in the afternoon. Seas 2 to 4 ft, occasionally to 5 ft. Wave Detail: NW 4 ft at 4 seconds. .MON NIGHT...N winds 10 to 15 kt. Seas 1 to 2 ft. Wave Detail: N 2 ft at 3 seconds. .TUE...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 1 to 2 ft. .TUE NIGHT...SW winds 15 to 20 kt. Seas 2 to 3 ft. .WED...SW winds 10 to 15 kt with gusts up to 25 kt. Seas around 2 ft. Chance of rain. .WED NIGHT...SW winds 15 to 20 kt. Seas 2 to 4 ft, occasionally to 5 ft. Chance of rain. $$ ANZ335-062315- Long Island Sound West of New Haven CT/Port Jefferson NY- 543 AM EST Sat Dec 6 2025 .TODAY...NW winds around 5 kt, becoming W this afternoon. Seas 1 ft or less. Chance of snow, freezing drizzle and slight chance of drizzle early this morning, then slight chance of drizzle late this morning. .TONIGHT...NW winds 5 to 10 kt. Seas 1 ft or less. Wave Detail: W 1 ft at 2 seconds. .SUN...NW winds around 5 kt, becoming SW in the afternoon. Seas 1 ft or less. .SUN NIGHT...W winds 5 to 10 kt, becoming NW 20 to 25 kt after midnight. Seas 1 ft or less, then 2 to 3 ft after midnight. Wave Detail: W 1 ft at 2 seconds, becoming W 2 ft at 3 seconds. .MON...NW winds 20 to 25 kt, becoming N 15 to 20 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: NW 2 ft at 3 seconds. .MON NIGHT...N winds 10 to 15 kt. Seas 1 to 2 ft. Wave Detail: NE 1 ft at 2 seconds. .TUE...SW winds 10 to 15 kt. Seas 1 ft or less. .TUE NIGHT...SW winds 15 to 20 kt. Seas around 2 ft. .WED...SW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. Chance of rain. .WED NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 3 ft. Chance of rain. $$ ANZ338-062315- New York Harbor- 543 AM EST Sat Dec 6 2025 .TODAY...NW winds around 5 kt, becoming W this afternoon. Waves 1 ft or less. Chance of snow and slight chance of drizzle early this morning, then slight chance of snow late this morning. .TONIGHT...W winds 5 to 10 kt. Waves 1 to 2 ft. .SUN...NW winds 5 to 10 kt, becoming SW in the afternoon. Waves 1 to 2 ft. .SUN NIGHT...W winds 5 to 10 kt, becoming NW 15 to 20 kt with gusts up to 25 kt after midnight. Waves 1 to 2 ft. Wave Detail: W 2 ft at 2 seconds. .MON...N winds 20 to 25 kt, diminishing to 15 to 20 kt in the afternoon. Waves 2 to 3 ft. Wave Detail: NW 2 ft at 2 seconds. .MON NIGHT...N winds 10 to 15 kt. Waves 1 to 2 ft. .TUE...SW winds 10 to 15 kt with gusts up to 20 kt. Waves 1 ft or less. .TUE NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Waves around 2 ft. .WED...SW winds 10 to 15 kt with gusts up to 25 kt. Waves 1 to 2 ft. Chance of rain. .WED NIGHT...SW winds 15 to 20 kt. Waves 2 to 3 ft. Chance of rain. $$ ANZ340-062315- Peconic and Gardiners Bays- 543 AM EST Sat Dec 6 2025 .TODAY...E winds around 5 kt, becoming W late this morning and afternoon. Waves 1 ft or less. Chance of drizzle until late afternoon. .TONIGHT...NW winds 5 to 10 kt. Waves 1 ft or less. .SUN...N winds around 5 kt, becoming W in the afternoon. Waves 1 ft or less. .SUN NIGHT...W winds 5 to 10 kt, becoming NW 15 to 20 kt with gusts up to 25 kt after midnight. Waves 1 ft or less, then 1 to 2 ft after midnight. .MON...NW winds 20 to 25 kt, becoming N 15 to 20 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 1 to 2 ft in the evening, then 1 ft or less. .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 ft or less. .WED...SW winds 15 to 20 kt with gusts up to 25 kt. Waves 1 ft or less. Chance of rain. .WED NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Waves around 2 ft. Chance of rain. $$ ANZ345-062315- South Shore Bays from Jones Inlet through Shinnecock Bay- 543 AM EST Sat Dec 6 2025 .TODAY...N winds around 5 kt, becoming W this afternoon. Waves 1 ft or less. Chance of drizzle this morning, then slight chance of drizzle early this afternoon. .TONIGHT...NW winds 5 to 10 kt. Waves 1 ft or less. .SUN...NW winds around 5 kt, becoming SW in the afternoon. Waves 1 ft or less. .SUN NIGHT...W winds 5 to 10 kt, becoming NW 15 to 20 kt with gusts up to 25 kt after midnight. Waves 1 ft or less. .MON...NW winds 20 to 25 kt, becoming N 15 to 20 kt in the afternoon. Waves 1 ft or less. .MON NIGHT...N winds 10 to 15 kt. Waves 1 ft or less. .TUE...SW winds 10 to 15 kt with gusts up to 20 kt. Waves 1 ft or less. .TUE NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Waves 1 ft or less. .WED...SW winds 15 to 20 kt with gusts up to 25 kt. Waves 1 to 2 ft. Chance of rain. .WED NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Waves around 2 ft. Chance of rain. $$