


Coastal Waters Forecast
Issued by NWS Upton, NY
Issued by NWS Upton, NY
850 FZUS51 KOKX 101529 CWFOKX Coastal Waters Forecast National Weather Service New York NY 1129 AM EDT Sun Aug 10 2025 Montauk Point NY to Sandy Hook NJ out 20 nm offshore, including Long Island Sound, the Long Island Bays, and New York Harbor ANZ300-110415- 1129 AM EDT Sun Aug 10 2025 .Synopsis for the Long Island and Connecticut coastal waters... High pressure will remain in control through early this week. The high will then slowly weaken over the region as a frontal system approaches Wednesday into Wednesday. The front will move late in the week. $$ ANZ350-110415- Moriches Inlet NY to Montauk Point NY out 20 nm- 1129 AM EDT Sun Aug 10 2025 .THIS AFTERNOON...S winds 5 to 10 kt. Seas around 3 ft. Wave Detail: E 3 ft at 8 seconds and SE 2 ft at 7 seconds. .TONIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 7 seconds. .MON...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at 8 seconds and SW 1 ft at 3 seconds. .MON NIGHT...SW winds 5 to 10 kt. Seas around 3 ft. Wave Detail: E 3 ft at 9 seconds and SW 1 ft at 3 seconds. .TUE...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at 9 seconds and SW 1 ft at 4 seconds. .TUE NIGHT...SW winds around 10 kt. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 4 seconds and E 2 ft at 8 seconds. .WED...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .WED NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .THU...SW winds 5 to 10 kt. Seas 2 to 3 ft. .THU NIGHT...W winds 5 to 10 kt. Seas around 2 ft. $$ ANZ353-110415- Fire Island Inlet NY to Moriches Inlet NY out 20 nm- 1129 AM EDT Sun Aug 10 2025 .THIS AFTERNOON...S winds 5 to 10 kt. Seas around 3 ft. Wave Detail: E 3 ft at 9 seconds and SE 2 ft at 6 seconds. .TONIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at 8 seconds and SW 1 ft at 2 seconds. .MON...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at 8 seconds and SW 1 ft at 2 seconds. .MON NIGHT...SW winds around 10 kt. Seas around 3 ft. Wave Detail: E 3 ft at 9 seconds and SW 2 ft at 3 seconds. .TUE...SW winds 5 to 10 kt. Seas around 3 ft. Wave Detail: E 3 ft at 9 seconds and SW 1 ft at 3 seconds. .TUE NIGHT...SW winds around 10 kt. Seas around 3 ft. Wave Detail: SW 2 ft at 4 seconds and E 2 ft at 8 seconds. .WED...SW winds 10 to 15 kt. Seas 2 to 3 ft. .WED NIGHT...SW winds 10 to 15 kt. Seas 2 to 3 ft. Chance of showers. .THU...SW winds 5 to 10 kt. Seas 2 to 3 ft. .THU NIGHT...W winds 5 to 10 kt. Seas around 2 ft. $$ ANZ355-110415- Sandy Hook NJ to Fire Island Inlet NY out 20 nm- 1129 AM EDT Sun Aug 10 2025 .THIS AFTERNOON...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at 9 seconds. .TONIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at 8 seconds. .MON...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 2 ft at 8 seconds and S 1 ft at 2 seconds. .MON NIGHT...SW winds 10 to 15 kt, diminishing to 5 to 10 kt after midnight. Seas 2 to 3 ft. Wave Detail: E 3 ft at 8 seconds and S 2 ft at 3 seconds. .TUE...SW winds 5 to 10 kt, becoming S 10 to 15 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: E 3 ft at 9 seconds and S 2 ft at 3 seconds. .TUE NIGHT...S winds 10 to 15 kt with gusts up to 20 kt, becoming SW 5 to 10 kt after midnight. Seas 2 to 3 ft. Wave Detail: S 2 ft at 4 seconds and E 2 ft at 9 seconds. .WED...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .WED NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Chance of showers. .THU...SW winds 5 to 10 kt. Seas around 2 ft. .THU NIGHT...W winds 5 to 10 kt. Seas around 2 ft. $$ ANZ332-110415- Long Island Sound East of the Mouth of the Connecticut River- 1129 AM EDT Sun Aug 10 2025 .THIS AFTERNOON...S winds 5 to 10 kt. Seas around 2 ft. Wave Detail: E 1 ft at 7 seconds. .TONIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: E 1 ft at 7 seconds. .MON...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SW 1 ft at 2 seconds and E 1 ft at 8 seconds. .MON NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SW 1 ft at 2 seconds and E 1 ft at 9 seconds. .TUE...SW winds 5 to 10 kt. Seas 1 ft or less, then around 2 ft in the afternoon. Wave Detail: SW 1 ft at 2 seconds and E 1 ft at 8 seconds. .TUE NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SW 1 ft at 2 seconds and E 1 ft at 7 seconds. .WED...SW winds 5 to 10 kt with gusts up to 20 kt. Seas around 2 ft. .WED NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. .THU...SW winds 5 to 10 kt. Seas 1 ft or less. .THU NIGHT...W winds 5 to 10 kt. Seas 1 ft or less. $$ ANZ331-110415- Long Island Sound East of New Haven CT/Port Jefferson NY to the Mouth of the Connecticut River- 1129 AM EDT Sun Aug 10 2025 .THIS AFTERNOON...SW winds around 5 kt. Seas 1 ft or less. .TONIGHT...SW winds 5 to 10 kt. Seas 1 ft or less. .MON...SW winds 5 to 10 kt. Seas 1 ft or less. .MON NIGHT...SW winds 5 to 10 kt. Seas 1 ft or less. Wave Detail: SW 1 ft at 2 seconds. .TUE...SW winds 5 to 10 kt. Seas 1 ft or less. .TUE NIGHT...SW winds 5 to 10 kt. Seas 1 ft or less. Wave Detail: SW 1 ft at 2 seconds. .WED...SW winds 5 to 10 kt. Seas 1 ft or less. .WED NIGHT...SW winds 5 to 10 kt. Seas 1 ft or less. Chance of showers. .THU...SW winds around 5 kt. Seas 1 ft or less. .THU NIGHT...W winds around 5 kt. Seas 1 ft or less. $$ ANZ335-110415- Long Island Sound West of New Haven CT/Port Jefferson NY- 1129 AM EDT Sun Aug 10 2025 .THIS AFTERNOON...S winds around 5 kt. Seas 1 ft or less. .TONIGHT...SW winds 5 to 10 kt. Seas 1 ft or less. .MON...SW winds 5 to 10 kt. Seas 1 ft or less. .MON NIGHT...SW winds 5 to 10 kt. Seas 1 ft or less. Wave Detail: SW 1 ft at 2 seconds. .TUE...SW winds 5 to 10 kt. Seas 1 ft or less. .TUE NIGHT...SW winds 5 to 10 kt. Seas 1 ft or less. Wave Detail: SW 1 ft at 2 seconds. .WED...SW winds 5 to 10 kt. Seas 1 ft or less. .WED NIGHT...SW winds 5 to 10 kt. Seas 1 ft or less. Chance of showers. .THU...W winds around 5 kt. Seas 1 ft or less. Chance of showers. .THU NIGHT...NW winds around 5 kt. Seas 1 ft or less. $$ ANZ338-110415- New York Harbor- 1129 AM EDT Sun Aug 10 2025 .THIS AFTERNOON...S winds around 5 kt, becoming SE. Waves 1 ft or less, then 1 to 2 ft. .TONIGHT...S winds 5 to 10 kt, becoming SW after midnight. Waves 1 to 2 ft. .MON...SW winds around 5 kt, becoming S in the afternoon. Waves 1 ft or less. .MON NIGHT...S winds 5 to 10 kt, becoming SW after midnight. Waves 1 to 2 ft. .TUE...SW winds around 5 kt, becoming S in the afternoon. Waves 1 ft or less, then 1 to 2 ft in the afternoon. .TUE NIGHT...SW winds 5 to 10 kt. Waves 1 to 2 ft. .WED...SW winds 5 to 10 kt. Waves 1 ft or less. .WED NIGHT...SW winds 5 to 10 kt. Waves 1 to 2 ft. Chance of showers. .THU...SW winds 5 to 10 kt. Waves 1 ft or less. Chance of showers. .THU NIGHT...W winds 5 to 10 kt. Waves 1 ft or less. $$ ANZ340-110415- Peconic and Gardiners Bays- 1129 AM EDT Sun Aug 10 2025 .THIS AFTERNOON...S winds around 5 kt. Waves 1 ft or less. .TONIGHT...SW winds around 5 kt. Waves 1 ft or less. .MON...SW winds around 5 kt, increasing to 5 to 10 kt in the afternoon. Waves 1 ft or less. .MON NIGHT...SW winds 5 to 10 kt. Waves 1 ft or less. .TUE...SW winds 5 to 10 kt. Waves 1 ft or less. .TUE NIGHT...SW winds 5 to 10 kt. Waves 1 ft or less. .WED...SW winds 5 to 10 kt. Waves 1 ft or less. .WED NIGHT...SW winds 5 to 10 kt. Waves 1 ft or less. .THU...SW winds around 5 kt. Waves 1 ft or less. .THU NIGHT...W winds around 5 kt. Waves 1 ft or less. $$ ANZ345-110415- South Shore Bays from Jones Inlet through Shinnecock Bay- 1129 AM EDT Sun Aug 10 2025 .THIS AFTERNOON...S winds 5 to 10 kt. Waves 1 ft or less. .TONIGHT...SW winds 5 to 10 kt. Waves 1 ft or less. .MON...SW winds 5 to 10 kt. Waves 1 ft or less. .MON NIGHT...SW winds 5 to 10 kt. Waves 1 ft or less. .TUE...SW winds 5 to 10 kt. Waves 1 ft or less. .TUE NIGHT...SW winds 5 to 10 kt. Waves 1 ft or less. .WED...SW winds 5 to 10 kt. Waves 1 ft or less. .WED NIGHT...SW winds 5 to 10 kt. Waves 1 ft or less. Chance of showers. .THU...SW winds 5 to 10 kt. Waves 1 ft or less. .THU NIGHT...W winds around 5 kt. Waves 1 ft or less. $$