Coastal Waters Forecast
Issued by NWS Upton, NY
Issued by NWS Upton, NY
306 FZUS51 KOKX 170612 CWFOKX Coastal Waters Forecast National Weather Service New York NY 212 AM EDT Thu Sep 17 2026 Montauk Point NY to Sandy Hook NJ out 60 nm offshore, including Long Island Sound, the Long Island Bays, and New York Harbor ANZ300-171915- 212 AM EDT Thu Sep 17 2026 .Synopsis for the Long Island and Connecticut coastal waters... High pressure gradually moves offshore today. A cold front approaches tonight and pushes across the waters early Friday morning. High pressure builds Friday and settles to the north to begin the weekend. A warm front and low pressure approaches Saturday night and pushes across the waters Sunday. The front drifts to the south by Monday. $$ ANZ350-171915- Moriches Inlet NY to Montauk Point NY out 20 NM- 212 AM EDT Thu Sep 17 2026 .TODAY...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SW 2 ft at 4 seconds and E 2 ft at 8 seconds. .TONIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 5 seconds and E 2 ft at 7 seconds. Chance of showers after midnight. .FRI...NW winds 10 to 15 kt with gusts up to 20 kt, becoming N 5 to 10 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 5 seconds and E 1 ft at 7 seconds. Chance of showers in the morning. .FRI NIGHT...N winds 10 to 15 kt, becoming NE 15 to 20 kt after midnight. Seas 2 to 4 ft, occasionally to 5 ft. Wave Detail: NE 3 ft at 4 seconds and SW 2 ft at 5 seconds. .SAT...NE winds 10 to 15 kt with gusts up to 20 kt, becoming E 5 to 10 kt in the afternoon. Seas 2 to 4 ft, occasionally to 5 ft. Wave Detail: NE 3 ft at 5 seconds and SW 1 ft at 5 seconds. .SAT NIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 2 ft at 6 seconds and SE 1 ft at 11 seconds. .SUN...S winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft, occasionally to 5 ft. Showers likely. .SUN NIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 5 ft, occasionally to 6 ft. Showers likely. .MON...NE winds 20 to 25 kt with gusts up to 30 kt. Seas 4 to 6 ft, occasionally to 8 ft. Chance of showers. .MON NIGHT...NE winds 20 to 25 kt with gusts up to 30 kt. Seas 4 to 6 ft, occasionally to 8 ft. $$ ANZ353-171915- Fire Island Inlet NY to Moriches Inlet NY out 20 NM- 212 AM EDT Thu Sep 17 2026 .TODAY...SW winds 5 to 10 kt, increasing to 10 to 15 kt late. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 4 seconds and E 2 ft at 8 seconds. .TONIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas around 3 ft. Wave Detail: SW 3 ft at 4 seconds and E 2 ft at 8 seconds. Slight chance of showers in the evening, then chance of showers after midnight. .FRI...NW winds 10 to 15 kt with gusts up to 20 kt, becoming N 5 to 10 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 5 seconds and E 2 ft at 7 seconds. Chance of showers in the morning. .FRI NIGHT...N winds 10 to 15 kt, becoming NE 15 to 20 kt after midnight. Seas 2 to 4 ft, occasionally to 5 ft. Wave Detail: NE 4 ft at 4 seconds and SW 2 ft at 5 seconds. .SAT...NE winds 15 to 20 kt, becoming E 10 to 15 kt in the afternoon. Seas 2 to 4 ft, occasionally to 5 ft. Wave Detail: NE 4 ft at 5 seconds and S 1 ft at 5 seconds. .SAT NIGHT...SE winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at 6 seconds and SE 1 ft at 11 seconds. .SUN...S winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft, occasionally to 6 ft. Showers likely. .SUN NIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 5 ft, occasionally to 6 ft. Showers likely. .MON...NE winds 20 to 25 kt with gusts up to 30 kt. Seas 4 to 5 ft, occasionally to 6 ft. Chance of showers. .MON NIGHT...NE winds 20 to 25 kt with gusts up to 30 kt. Seas 4 to 6 ft, occasionally to 8 ft. $$ ANZ355-171915- Sandy Hook NJ to Fire Island Inlet NY out 20 NM- 212 AM EDT Thu Sep 17 2026 .TODAY...SW winds 5 to 10 kt, becoming S 10 to 15 kt with gusts up to 20 kt late. Seas 2 to 3 ft. Wave Detail: S 2 ft at 4 seconds and E 1 ft at 7 seconds. .TONIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft at 4 seconds and E 1 ft at 8 seconds. Slight chance of showers in the evening, then chance of showers after midnight. .FRI...NW winds 10 to 15 kt, becoming N 5 to 10 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: W 2 ft at 4 seconds and E 1 ft at 7 seconds. Chance of showers in the morning. .FRI NIGHT...N winds 10 to 15 kt, becoming NE 15 to 20 kt after midnight. Seas 2 to 3 ft. Wave Detail: NE 3 ft at 4 seconds and S 1 ft at 4 seconds. .SAT...NE winds 15 to 20 kt, becoming E around 10 kt in the afternoon. Seas 2 to 4 ft, occasionally to 5 ft. Wave Detail: E 3 ft at 5 seconds and S 1 ft at 4 seconds. .SAT NIGHT...SE winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at 6 seconds and SE 1 ft at 11 seconds. .SUN...S winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 4 ft, occasionally to 5 ft. Showers likely. .SUN NIGHT...NW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft, occasionally to 6 ft. Showers likely. .MON...NE winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 4 ft, occasionally to 5 ft. .MON NIGHT...NE winds 20 to 25 kt with gusts up to 30 kt. Seas 4 to 6 ft, occasionally to 8 ft. $$ ANZ332-171915- Long Island Sound East of the Mouth of the Connecticut River- 212 AM EDT Thu Sep 17 2026 .TODAY...SW winds around 5 kt, increasing to 5 to 10 kt late this morning and afternoon. Seas 1 ft or less. Wave Detail: SW 1 ft at 2 seconds. .TONIGHT...SW winds 5 to 10 kt. Seas 1 ft or less, then around 2 ft after midnight. Wave Detail: SW 1 ft at 2 seconds. Slight chance of showers in the evening, then chance of showers after midnight. .FRI...NW winds 5 to 10 kt. Seas 1 ft or less. Wave Detail: W 1 ft at 2 seconds. Chance of showers in the morning. .FRI NIGHT...N winds 5 to 10 kt, becoming NE 10 to 15 kt with gusts up to 20 kt after midnight. Seas 1 ft or less, then around 2 ft after midnight. Wave Detail: NW 1 ft at 2 seconds and NE 1 ft at 4 seconds, becoming NE 2 ft at 3 seconds. .SAT...NE winds 10 to 15 kt with gusts up to 20 kt, becoming E 5 to 10 kt in the afternoon. Seas around 2 ft. Wave Detail: NE 2 ft at 4 seconds. .SAT NIGHT...SE winds 5 to 10 kt. Seas 1 ft or less. Wave Detail: E 1 ft at 4 seconds. .SUN...SE winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. Showers. .SUN NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Showers likely. .MON...NE winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 3 ft. .MON NIGHT...NE winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 3 ft. $$ ANZ331-171915- Long Island Sound East of New Haven CT/Port Jefferson NY to the Mouth of the Connecticut River- 212 AM EDT Thu Sep 17 2026 .TODAY...S winds around 5 kt, increasing to 5 to 10 kt late. Seas 1 ft or less. Wave Detail: SW 1 ft at 2 seconds. .TONIGHT...SW winds 5 to 10 kt. Seas 1 ft or less. Wave Detail: SW 1 ft at 2 seconds. Slight chance of showers in the evening, then chance of showers after midnight. .FRI...NW winds 5 to 10 kt. Seas 1 ft or less. Wave Detail: NW 1 ft at 3 seconds. Slight chance of showers in the morning. .FRI NIGHT...N winds 10 to 15 kt. Seas 1 ft or less, then around 2 ft after midnight. Wave Detail: NW 1 ft at 2 seconds, becoming NE 2 ft at 3 seconds. .SAT...NE winds 10 to 15 kt with gusts up to 20 kt, becoming E around 5 kt in the afternoon. Seas around 2 ft in the morning, then 1 ft or less. Wave Detail: NE 1 ft at 3 seconds, becoming E 1 ft at 3 seconds. .SAT NIGHT...SE winds 5 to 10 kt. Seas 1 ft or less. .SUN...S winds 10 to 15 kt with gusts up to 25 kt. Seas 1 to 2 ft. Showers. .SUN NIGHT...NW winds 15 to 20 kt. Seas around 2 ft. Showers likely. .MON...NE winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 3 ft. .MON NIGHT...NE winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 3 ft. $$ ANZ335-171915- Long Island Sound West of New Haven CT/Port Jefferson NY- 212 AM EDT Thu Sep 17 2026 .TODAY...S winds around 5 kt, increasing to 5 to 10 kt this afternoon. Seas 1 ft or less. Wave Detail: S 1 ft at 2 seconds. .TONIGHT...SW winds 5 to 10 kt. Seas 1 ft or less. Wave Detail: S 1 ft at 2 seconds. Slight chance of showers in the evening, then chance of showers after midnight. .FRI...N winds 5 to 10 kt. Seas 1 ft or less. Wave Detail: NW 1 ft at 2 seconds. Slight chance of showers in the morning. .FRI NIGHT...N winds 10 to 15 kt. Seas 1 ft or less, then around 2 ft after midnight. Wave Detail: NE 2 ft at 3 seconds. .SAT...NE winds 10 to 15 kt with gusts up to 20 kt, becoming E 5 to 10 kt in the afternoon. Seas around 2 ft in the morning, then 1 ft or less. Wave Detail: NE 2 ft at 3 seconds, becoming E 1 ft at 3 seconds. .SAT NIGHT...SE winds 5 to 10 kt. Seas 1 ft or less. Wave Detail: E 1 ft at 3 seconds. .SUN...S winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. Showers. .SUN NIGHT...NW winds 15 to 20 kt. Seas around 2 ft. Chance of showers. .MON...NE winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 3 ft. .MON NIGHT...NE winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 3 ft. $$ ANZ338-171915- New York Harbor- 212 AM EDT Thu Sep 17 2026 .TODAY...S winds 5 to 10 kt. Waves 1 ft or less. .TONIGHT...S winds 5 to 10 kt, becoming SW after midnight. Waves 1 to 2 ft. Slight chance of showers in the evening, then chance of showers after midnight. .FRI...N winds 5 to 10 kt. Waves 1 ft or less. Slight chance of showers in the morning. .FRI NIGHT...N winds 10 to 15 kt. Waves 1 ft or less, then around 2 ft after midnight. Wave Detail: NE 1 ft at 3 seconds. .SAT...NE winds 10 to 15 kt, becoming E 5 to 10 kt in the afternoon. Waves around 2 ft. Wave Detail: NE 1 ft at 3 seconds. .SAT NIGHT...SE winds 5 to 10 kt, increasing to 10 to 15 kt after midnight. Waves around 2 ft. Wave Detail: E 1 ft at 3 seconds. Chance of showers after midnight. .SUN...S winds 10 to 15 kt with gusts up to 20 kt. Waves around 2 ft. Showers. .SUN NIGHT...NW winds 15 to 20 kt. Waves around 2 ft. Showers likely. .MON...NE winds 15 to 20 kt. Waves around 2 ft. .MON NIGHT...NE winds 15 to 20 kt with gusts up to 25 kt. Waves 2 to 3 ft. $$ ANZ340-171915- Peconic and Gardiners Bays- 212 AM EDT Thu Sep 17 2026 .TODAY...S winds around 5 kt, becoming SW this afternoon. Waves 1 ft or less. Patchy fog early this morning with vsby 1 to 3 nm. .TONIGHT...SW winds 5 to 10 kt. Waves 1 ft or less. Slight chance of showers in the evening, then chance of showers after midnight. .FRI...NW winds 5 to 10 kt. Waves 1 ft or less. Chance of showers in the morning. .FRI NIGHT...N winds 5 to 10 kt. Waves 1 ft or less. .SAT...E winds 5 to 10 kt. Waves 1 ft or less. .SAT NIGHT...SE winds around 5 kt. Waves 1 ft or less. .SUN...S winds 10 to 15 kt with gusts up to 20 kt. Waves 1 ft or less. Showers. .SUN NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Waves 1 ft or less. Showers likely. .MON...NE winds 10 to 15 kt with gusts up to 25 kt. Waves around 2 ft. .MON NIGHT...NE winds 10 to 15 kt with gusts up to 25 kt. Waves around 2 ft. $$ ANZ345-171915- South Shore Bays from Jones Inlet through Shinnecock Bay- 212 AM EDT Thu Sep 17 2026 .TODAY...SW winds 5 to 10 kt. Waves 1 ft or less. .TONIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Waves 1 ft or less. Slight chance of showers in the evening, then chance of showers after midnight. .FRI...N winds 10 to 15 kt. Waves 1 ft or less. Slight chance of showers in the morning. .FRI NIGHT...N winds 5 to 10 kt, becoming NE 10 to 15 kt with gusts up to 20 kt after midnight. Waves 1 ft or less. .SAT...NE winds 10 to 15 kt with gusts up to 20 kt, becoming E 5 to 10 kt in the afternoon. Waves 1 ft or less. .SAT NIGHT...SE winds 5 to 10 kt. Waves 1 ft or less. .SUN...S winds 15 to 20 kt with gusts up to 25 kt. Waves 1 ft or less. Showers. .SUN NIGHT...NW winds 15 to 20 kt with gusts up to 25 kt. Waves 1 ft or less. Showers likely. .MON...NE winds 15 to 20 kt with gusts up to 25 kt. Waves 1 ft or less. .MON NIGHT...NE winds 15 to 20 kt with gusts up to 25 kt. Waves 1 ft or less. $$ ANZ380-171915- Waters from Moriches Inlet NY to Montauk Point NY from 20 to 60 nm- 212 AM EDT Thu Sep 17 2026 .TODAY...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 2 ft at 8 seconds and W 1 ft at 3 seconds. .TONIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 4 seconds and E 2 ft at 7 seconds. Slight chance of showers after midnight. .FRI...W winds 10 to 15 kt, becoming N in the afternoon. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 5 seconds and E 2 ft at 7 seconds. Slight chance of showers. .FRI NIGHT...NE winds 10 to 15 kt, increasing to 15 to 20 kt with gusts up to 25 kt after midnight. Seas 2 to 4 ft, occasionally to 5 ft. Wave Detail: NE 4 ft at 5 seconds and W 2 ft at 5 seconds. .SAT...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft, occasionally to 5 ft. Wave Detail: NE 4 ft at 5 seconds and SW 1 ft at 5 seconds. .SAT NIGHT...E winds around 10 kt. Seas 2 to 4 ft, occasionally to 5 ft. Wave Detail: E 3 ft at 7 seconds and SE 1 ft at 11 seconds. .SUN...S winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 5 ft, occasionally to 6 ft. Showers likely. .SUN NIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 6 ft, occasionally to 8 ft. Showers likely. .MON...NE winds 20 to 25 kt with gusts up to 30 kt. Seas 5 to 6 ft, occasionally to 8 ft. Chance of showers. .MON NIGHT...NE winds 20 to 25 kt with gusts up to 30 kt. Seas 6 to 7 ft, occasionally to 9 ft. $$ ANZ383-171915- Waters from Fire Island Inlet NY to Moriches Inlet NY from 20 to 60 nm- 212 AM EDT Thu Sep 17 2026 .TODAY...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 3 seconds and E 2 ft at 8 seconds. .TONIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas around 3 ft. Wave Detail: SW 3 ft at 4 seconds and E 2 ft at 8 seconds. Slight chance of showers after midnight. .FRI...W winds 10 to 15 kt, becoming N in the afternoon. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 5 seconds and E 2 ft at 7 seconds. Slight chance of showers in the morning. .FRI NIGHT...N winds 10 to 15 kt, becoming NE 15 to 20 kt after midnight. Seas 2 to 4 ft, occasionally to 5 ft. Wave Detail: N 4 ft at 5 seconds and SE 1 ft at 12 seconds. .SAT...NE winds 15 to 20 kt, becoming E 10 to 15 kt in the afternoon. Seas 3 to 4 ft, occasionally to 5 ft. Wave Detail: NE 4 ft at 5 seconds and SW 1 ft at 5 seconds. .SAT NIGHT...E winds around 10 kt. Seas around 3 ft. Wave Detail: E 3 ft at 6 seconds and SE 1 ft at 11 seconds. .SUN...S winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 6 ft, occasionally to 8 ft. Chance of showers. .SUN NIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 6 ft, occasionally to 8 ft. Showers likely. .MON...NE winds 20 to 25 kt with gusts up to 30 kt. Seas 4 to 6 ft, occasionally to 8 ft. Chance of showers. .MON NIGHT...NE winds 20 to 25 kt with gusts up to 30 kt. Seas 5 to 7 ft, occasionally to 9 ft. $$ ANZ385-171915- Waters from Sandy Hook NJ to Fire Island Inlet NY from 20 to 60 nm- 212 AM EDT Thu Sep 17 2026 .TODAY...SW winds 5 to 10 kt, increasing to 10 to 15 kt late. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 4 seconds and E 2 ft at 8 seconds. .TONIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas around 3 ft. Wave Detail: SW 3 ft at 5 seconds and E 2 ft at 8 seconds. Chance of showers after midnight. .FRI...NW winds 10 to 15 kt, becoming N in the afternoon. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 5 seconds and E 2 ft at 7 seconds. Chance of showers in the morning. .FRI NIGHT...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft, occasionally to 5 ft. Wave Detail: N 3 ft at 5 seconds and W 2 ft at 4 seconds. .SAT...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft, occasionally to 5 ft. Wave Detail: NE 4 ft at 5 seconds and SW 1 ft at 4 seconds. .SAT NIGHT...SE winds around 10 kt. Seas around 3 ft. Wave Detail: E 3 ft at 6 seconds and SE 1 ft at 11 seconds. .SUN...S winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 6 ft, occasionally to 8 ft. Showers likely. .SUN NIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 6 ft, occasionally to 8 ft. Showers likely. .MON...NE winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to 5 ft, occasionally to 6 ft. Chance of showers. .MON NIGHT...NE winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to 6 ft, occasionally to 8 ft. $$