Coastal Waters Forecast
Issued by NWS Upton, NY
Issued by NWS Upton, NY
989 FZUS51 KOKX 120626 CWFOKX Coastal Waters Forecast National Weather Service New York NY 226 AM EDT Sat Sep 12 2026 Montauk Point NY to Sandy Hook NJ out 60 nm offshore, including Long Island Sound, the Long Island Bays, and New York Harbor ANZ300-121915- 226 AM EDT Sat Sep 12 2026 .Synopsis for the Long Island and Connecticut coastal waters... High pressure gradually slides offshore today. A warm front and weak low pressure move over the waters on Sunday. Canadian high pressure builds Sunday night into the middle of next week. $$ ANZ350-121915- Moriches Inlet NY to Montauk Point NY out 20 NM- 226 AM EDT Sat Sep 12 2026 .TODAY...E winds 5 to 10 kt, becoming SE this afternoon. Seas around 2 ft. Wave Detail: S 2 ft at 6 seconds and NE 1 ft at 3 seconds. .TONIGHT...SE winds 5 to 10 kt. Seas around 2 ft. Wave Detail: S 2 ft at 5 seconds and E 1 ft at 3 seconds. Chance of showers after midnight. .SUN...S winds 10 to 15 kt with gusts up to 20 kt, becoming SW in the afternoon. Seas 2 to 3 ft. Wave Detail: S 3 ft at 5 seconds and SE 1 ft at 10 seconds. Chance of tstms. Showers. .SUN NIGHT...W winds 5 to 10 kt. Seas around 3 ft. Wave Detail: SE 3 ft at 6 seconds and SE 1 ft at 10 seconds. .MON...NW winds 10 to 15 kt with gusts up to 25 kt. Seas around 3 ft. Wave Detail: SE 3 ft at 6 seconds and NW 2 ft at 2 seconds. Chance of showers. .MON NIGHT...N winds 15 to 20 kt. Seas 2 to 4 ft, occasionally to 5 ft. Wave Detail: N 3 ft at 4 seconds and SE 2 ft at 9 seconds. .TUE...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft, occasionally to 5 ft. .TUE NIGHT...SE winds around 5 kt. Seas 2 to 3 ft. .WED...S winds 5 to 10 kt. Seas 2 to 3 ft. .WED NIGHT...SW winds 5 to 10 kt. Seas around 3 ft. Winds and seas may be higher in and near tstms. $$ ANZ353-121915- Fire Island Inlet NY to Moriches Inlet NY out 20 NM- 226 AM EDT Sat Sep 12 2026 .TODAY...E winds 5 to 10 kt, becoming SE this afternoon. Seas around 2 ft. Wave Detail: S 2 ft at 6 seconds and SE 1 ft at 10 seconds. .TONIGHT...SE winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at 5 seconds and E 1 ft at 3 seconds. Chance of showers and slight chance of tstms after midnight. .SUN...S winds 10 to 15 kt with gusts up to 20 kt, becoming SW in the afternoon. Seas 2 to 3 ft. Wave Detail: S 3 ft at 6 seconds and SE 1 ft at 10 seconds. Showers and chance of tstms in the morning, then showers and slight chance of tstms in the afternoon. .SUN NIGHT...W winds 5 to 10 kt. Seas around 3 ft. Wave Detail: SE 3 ft at 6 seconds and SE 1 ft at 10 seconds. .MON...N winds around 15 kt with gusts up to 20 kt. Seas 3 to 4 ft, occasionally to 5 ft. Wave Detail: NW 3 ft at 3 seconds and SE 3 ft at 6 seconds. Slight chance of showers. .MON NIGHT...N winds 15 to 20 kt. Seas 3 to 4 ft, occasionally to 5 ft. Wave Detail: N 3 ft at 4 seconds and SE 2 ft at 9 seconds. .TUE...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft, occasionally to 5 ft. .TUE NIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft. .WED...S winds 5 to 10 kt. Seas 2 to 3 ft. .WED NIGHT...SW winds around 10 kt. Seas around 3 ft. Winds and seas may be higher in and near tstms. $$ ANZ355-121915- Sandy Hook NJ to Fire Island Inlet NY out 20 NM- 226 AM EDT Sat Sep 12 2026 .TODAY...E winds 5 to 10 kt, becoming SE this afternoon. Seas around 2 ft. Wave Detail: S 2 ft at 5 seconds and SE 1 ft at 10 seconds. .TONIGHT...SE winds 10 to 15 kt. Seas around 2 ft. Wave Detail: SE 2 ft at 4 seconds and SE 1 ft at 10 seconds. Showers likely with chance of tstms after midnight. .SUN...S winds 10 to 15 kt, becoming W 5 to 10 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: S 3 ft at 6 seconds and SE 1 ft at 10 seconds. Showers. Chance of tstms, mainly in the morning. .SUN NIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 6 seconds and W 1 ft at 2 seconds. .MON...N winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 6 seconds and NW 2 ft at 3 seconds. Slight chance of showers. .MON NIGHT...N winds around 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: N 3 ft at 4 seconds and SE 2 ft at 9 seconds. .TUE...E winds 10 to 15 kt. Seas 2 to 3 ft. .TUE NIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft. .WED...S winds 5 to 10 kt. Seas 2 to 3 ft. .WED NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. Winds and seas may be higher in and near tstms. $$ ANZ332-121915- Long Island Sound East of the Mouth of the Connecticut River- 226 AM EDT Sat Sep 12 2026 .TODAY...E winds 5 to 10 kt, becoming SE this afternoon. Seas 1 ft or less. Wave Detail: NE 1 ft at 3 seconds. .TONIGHT...S winds 5 to 10 kt. Seas 1 ft or less. Wave Detail: E 1 ft at 3 seconds. .SUN...SE winds 5 to 10 kt, becoming SW in the afternoon. Seas around 2 ft. Wave Detail: S 1 ft at 2 seconds. Showers and chance of tstms. .SUN NIGHT...W winds 5 to 10 kt. Seas around 2 ft. Wave Detail: E 1 ft at 7 seconds. .MON...NW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. Wave Detail: NW 1 ft at 2 seconds and E 1 ft at 6 seconds. Slight chance of showers. .MON NIGHT...N winds around 10 kt. Seas around 2 ft. Wave Detail: N 1 ft at 3 seconds and E 1 ft at 7 seconds. .TUE...E winds 5 to 10 kt. Seas around 2 ft. .TUE NIGHT...SE winds around 5 kt. Seas 1 ft or less. .WED...S winds 5 to 10 kt. Seas around 2 ft. .WED NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Winds and seas may be higher in and near tstms. $$ ANZ331-121915- Long Island Sound East of New Haven CT/Port Jefferson NY to the Mouth of the Connecticut River- 226 AM EDT Sat Sep 12 2026 .TODAY...E winds 5 to 10 kt, becoming SE late. Seas 1 ft or less. .TONIGHT...SE winds 5 to 10 kt. Seas 1 ft or less. Chance of showers and slight chance of tstms after midnight. .SUN...SE winds 5 to 10 kt, becoming W in the afternoon. Seas 1 ft or less. Wave Detail: S 1 ft at 2 seconds. Showers and chance of tstms in the morning, then showers and slight chance of tstms in the afternoon. .SUN NIGHT...W winds 5 to 10 kt. Seas 1 ft or less. Wave Detail: NW 1 ft at 2 seconds. .MON...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 1 ft or less, then around 2 ft in the afternoon. Wave Detail: NW 1 ft at 2 seconds, becoming NW 1 ft at 3 seconds. Slight chance of showers. .MON NIGHT...N winds 10 to 15 kt. Seas around 2 ft in the evening, then 1 ft or less. Wave Detail: NW 1 ft at 3 seconds, becoming N 1 ft at 2 seconds. .TUE...E winds 5 to 10 kt. Seas 1 ft or less. .TUE NIGHT...S winds around 5 kt. Seas 1 ft or less. .WED...S winds around 5 kt. Seas 1 ft or less. .WED NIGHT...S winds 5 to 10 kt. Seas 1 ft or less. Winds and seas may be higher in and near tstms. $$ ANZ335-121915- Long Island Sound West of New Haven CT/Port Jefferson NY- 226 AM EDT Sat Sep 12 2026 .TODAY...E winds 5 to 10 kt, becoming SE late. Seas 1 ft or less. .TONIGHT...S winds 5 to 10 kt. Seas 1 ft or less. Chance of showers and slight chance of tstms after midnight. .SUN...S winds 5 to 10 kt, becoming W in the afternoon. Seas 1 ft or less. Showers and chance of tstms in the morning, then showers likely with slight chance of tstms in the afternoon. .SUN NIGHT...W winds 5 to 10 kt. Seas 1 ft or less. Slight chance of showers after midnight. .MON...N winds 10 to 15 kt with gusts up to 20 kt. Seas 1 ft or less. Wave Detail: NW 1 ft at 2 seconds. Slight chance of showers. .MON NIGHT...N winds 10 to 15 kt. Seas 1 ft or less. Wave Detail: N 1 ft at 2 seconds. .TUE...E winds 5 to 10 kt. Seas 1 ft or less. .TUE NIGHT...S winds 5 to 10 kt. Seas 1 ft or less. .WED...SW winds 5 to 10 kt. Seas 1 ft or less. .WED NIGHT...S winds 5 to 10 kt. Seas 1 ft or less. Winds and seas may be higher in and near tstms. $$ ANZ338-121915- New York Harbor- 226 AM EDT Sat Sep 12 2026 .TODAY...E winds 5 to 10 kt, becoming SE with gusts up to 20 kt this afternoon. Waves 1 ft or less, then 1 to 2 ft this afternoon. .TONIGHT...SE winds 10 to 15 kt, diminishing to 5 to 10 kt after midnight. Waves 1 to 2 ft. Showers and chance of tstms after midnight. .SUN...S winds 5 to 10 kt, becoming W in the afternoon. Waves 1 to 2 ft in the morning, then 1 ft or less. Showers and chance of tstms in the morning, then chance of showers and slight chance of tstms in the afternoon. .SUN NIGHT...W winds 5 to 10 kt. Waves 1 ft or less, then 1 to 2 ft after midnight. .MON...N winds 10 to 15 kt. Waves around 2 ft. .MON NIGHT...N winds 10 to 15 kt. Waves around 2 ft. Wave Detail: NE 1 ft at 2 seconds. .TUE...E winds 5 to 10 kt. Waves 1 ft or less. .TUE NIGHT...S winds 5 to 10 kt. Waves 1 ft or less. .WED...S winds 5 to 10 kt. Waves 1 ft or less. .WED NIGHT...S winds 5 to 10 kt. Waves 1 to 2 ft. Winds and waves may be higher in and near tstms. $$ ANZ340-121915- Peconic and Gardiners Bays- 226 AM EDT Sat Sep 12 2026 .TODAY...E winds around 5 kt, becoming SE late. Waves 1 ft or less. .TONIGHT...SE winds around 5 kt. Waves 1 ft or less. Slight chance of showers after midnight. .SUN...S winds 5 to 10 kt, becoming SW in the afternoon. Waves 1 ft or less. Showers and chance of tstms in the morning, then showers and slight chance of tstms in the afternoon. .SUN NIGHT...W winds 5 to 10 kt. Waves 1 ft or less. .MON...NW winds 10 to 15 kt with gusts up to 20 kt. Waves 1 ft or less. Slight chance of showers. .MON NIGHT...N winds around 10 kt. Waves 1 ft or less. .TUE...E winds 5 to 10 kt. Waves 1 ft or less. .TUE NIGHT...S winds around 5 kt. Waves 1 ft or less. .WED...S winds 5 to 10 kt. Waves 1 ft or less. .WED NIGHT...SW winds 5 to 10 kt. Waves 1 ft or less. Winds and waves may be higher in and near tstms. $$ ANZ345-121915- South Shore Bays from Jones Inlet through Shinnecock Bay- 226 AM EDT Sat Sep 12 2026 .TODAY...E winds 5 to 10 kt, becoming SE this afternoon. Waves 1 ft or less. .TONIGHT...SE winds 5 to 10 kt. Waves 1 ft or less. Chance of showers and slight chance of tstms after midnight. .SUN...S winds 10 to 15 kt, becoming W 5 to 10 kt in the afternoon. Waves 1 ft or less. Slight chance of tstms. Showers. .SUN NIGHT...W winds 5 to 10 kt. Waves 1 ft or less. .MON...N winds 10 to 15 kt with gusts up to 20 kt. Waves 1 ft or less. Slight chance of showers. .MON NIGHT...N winds 10 to 15 kt. Waves 1 ft or less. .TUE...E winds 10 to 15 kt. Waves 1 ft or less. .TUE NIGHT...SE winds around 5 kt. Waves 1 ft or less. .WED...S winds 5 to 10 kt. Waves 1 ft or less. .WED NIGHT...S winds 5 to 10 kt. Waves 1 ft or less. Winds and waves may be higher in and near tstms. $$ ANZ380-121915- Waters from Moriches Inlet NY to Montauk Point NY from 20 to 60 nm- 226 AM EDT Sat Sep 12 2026 .TODAY...E winds around 5 kt, becoming SE late. Seas around 2 ft. Wave Detail: S 2 ft at 6 seconds and NE 1 ft at 3 seconds. .TONIGHT...SE winds 5 to 10 kt, increasing to 10 to 15 kt after midnight. Seas 2 to 3 ft. Wave Detail: S 3 ft at 5 seconds and SE 2 ft at 10 seconds. Slight chance of showers after midnight. .SUN...S winds 10 to 15 kt, becoming SW in the afternoon. Seas 3 to 4 ft, occasionally to 5 ft. Wave Detail: S 4 ft at 6 seconds and SE 1 ft at 10 seconds. Showers likely with slight chance of tstms in the morning, then showers and chance of tstms in the afternoon. .SUN NIGHT...W winds around 10 kt. Seas around 3 ft. Wave Detail: SE 3 ft at 6 seconds and SE 2 ft at 9 seconds. .MON...N winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 4 ft, occasionally to 5 ft. Wave Detail: NW 3 ft at 4 seconds and S 3 ft at 6 seconds. Chance of showers. .MON NIGHT...N winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft, occasionally to 6 ft. Wave Detail: N 4 ft at 5 seconds and SE 2 ft at 9 seconds. .TUE...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft, occasionally to 5 ft. .TUE NIGHT...E winds 5 to 10 kt. Seas 3 to 4 ft, occasionally to 5 ft. .WED...NE winds around 5 kt. Seas 3 to 4 ft, occasionally to 5 ft. .WED NIGHT...SW winds around 5 kt. Seas 3 to 4 ft, occasionally to 5 ft. Winds and seas may be higher in and near tstms. $$ ANZ383-121915- Waters from Fire Island Inlet NY to Moriches Inlet NY from 20 to 60 nm- 226 AM EDT Sat Sep 12 2026 .TODAY...E winds 5 to 10 kt, becoming SE late. Seas around 2 ft. Wave Detail: SE 2 ft at 9 seconds and NE 1 ft at 2 seconds. .TONIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft at 5 seconds and NE 1 ft at 3 seconds. Chance of showers and slight chance of tstms after midnight. .SUN...S winds 10 to 15 kt, becoming SW in the afternoon. Seas around 3 ft. Wave Detail: S 3 ft at 5 seconds and SE 1 ft at 10 seconds. Showers and chance of tstms in the morning, then chance of showers and slight chance of tstms in the afternoon. .SUN NIGHT...W winds 5 to 10 kt. Seas around 3 ft. Wave Detail: SE 3 ft at 6 seconds and SE 1 ft at 10 seconds. .MON...N winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 4 ft, occasionally to 5 ft. Wave Detail: NW 3 ft at 4 seconds and S 3 ft at 6 seconds. Slight chance of showers. .MON NIGHT...N winds 15 to 20 kt with gusts up to 25 kt. Seas around 4 ft, occasionally to 5 ft. Wave Detail: N 4 ft at 5 seconds and SE 2 ft at 9 seconds. .TUE...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft, occasionally to 5 ft. .TUE NIGHT...E winds 5 to 10 kt. Seas 3 to 4 ft, occasionally to 5 ft. .WED...E winds 5 to 10 kt. Seas 3 to 4 ft, occasionally to 5 ft. .WED NIGHT...S winds 5 to 10 kt. Seas 3 to 4 ft, occasionally to 5 ft. Winds and seas may be higher in and near tstms. $$ ANZ385-121915- Waters from Sandy Hook NJ to Fire Island Inlet NY from 20 to 60 nm- 226 AM EDT Sat Sep 12 2026 .TODAY...E winds 5 to 10 kt, becoming SE late. Seas around 2 ft. Wave Detail: S 2 ft at 5 seconds and SE 2 ft at 10 seconds. .TONIGHT...SE winds around 10 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft at 5 seconds and SE 1 ft at 9 seconds. Showers likely with chance of tstms after midnight. .SUN...S winds 10 to 15 kt with gusts up to 20 kt, becoming SW in the afternoon. Seas around 3 ft. Wave Detail: S 3 ft at 5 seconds and SE 1 ft at 10 seconds. Showers and chance of tstms in the morning, then showers likely with slight chance of tstms in the afternoon. .SUN NIGHT...W winds 5 to 10 kt. Seas around 3 ft. Wave Detail: SE 3 ft at 6 seconds and SE 1 ft at 10 seconds. .MON...N winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 4 ft, occasionally to 5 ft. Wave Detail: NW 3 ft at 4 seconds and E 3 ft at 6 seconds. Slight chance of showers. .MON NIGHT...NE winds around 15 kt with gusts up to 25 kt. Seas 3 to 4 ft, occasionally to 5 ft. Wave Detail: N 3 ft at 4 seconds and SE 2 ft at 9 seconds. .TUE...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft, occasionally to 5 ft. .TUE NIGHT...SE winds 5 to 10 kt. Seas 3 to 4 ft, occasionally to 5 ft. .WED...SE winds 5 to 10 kt. Seas 3 to 4 ft, occasionally to 5 ft. .WED NIGHT...S winds 5 to 10 kt. Seas 3 to 4 ft, occasionally to 5 ft. Winds and seas may be higher in and near tstms. $$