Coastal Waters Forecast
Issued by NWS Upton, NY
Issued by NWS Upton, NY
255 FZUS51 KOKX 301720 CWFOKX Coastal Waters Forecast National Weather Service New York NY 120 PM EDT Thu Jul 30 2026 Montauk Point NY to Sandy Hook NJ out 60 nm offshore, including Long Island Sound, the Long Island Bays, and New York Harbor ANZ300-310615- 120 PM EDT Thu Jul 30 2026 .Synopsis for the Long Island and Connecticut coastal waters... Low pressure slowly moves east towards coastal New England through tonight. Weak high pressure follows for Friday through Saturday. A low pressure system approaches Sunday into early next week. $$ ANZ350-310615- Moriches Inlet NY to Montauk Point NY out 20 NM- 120 PM EDT Thu Jul 30 2026 .THIS AFTERNOON...N winds 5 to 10 kt. Seas around 4 ft, occasionally to 5 ft. Wave Detail: S 4 ft at 9 seconds and E 1 ft at 6 seconds. Slight chance of tstms. Chance of showers early, then slight chance of showers late. .TONIGHT...N winds 5 to 10 kt, becoming NW after midnight. Seas 3 to 4 ft, occasionally to 5 ft. Wave Detail: S 4 ft at 8 seconds. Slight chance of showers and tstms in the evening. .FRI...NW winds around 5 kt, becoming W in the afternoon. Seas 3 to 4 ft, occasionally to 5 ft. Wave Detail: S 3 ft at 9 seconds and E 1 ft at 7 seconds. .FRI NIGHT...SW winds 5 to 10 kt. Seas 3 to 4 ft, occasionally to 5 ft. Wave Detail: SE 3 ft at 7 seconds and SW 2 ft at 4 seconds. .SAT...SW winds around 5 kt, becoming S in the afternoon. Seas around 3 ft. Wave Detail: S 3 ft at 9 seconds and SW 1 ft at 4 seconds. .SAT NIGHT...S winds 5 to 10 kt. Seas around 3 ft. Wave Detail: S 3 ft at 8 seconds. .SUN...S winds 5 to 10 kt with gusts up to 20 kt. Seas around 3 ft. .SUN NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas around 3 ft. Chance of showers. .MON...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 5 ft, occasionally to 6 ft. Chance of showers. .MON NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 5 to 6 ft, occasionally to 8 ft. Chance of showers. Winds and seas may be higher in and near tstms. $$ ANZ353-310615- Fire Island Inlet NY to Moriches Inlet NY out 20 NM- 120 PM EDT Thu Jul 30 2026 .THIS AFTERNOON...NE winds 10 to 15 kt. Seas 3 to 4 ft, occasionally to 5 ft. Wave Detail: SE 4 ft at 7 seconds. Slight chance of tstms. Showers likely early, then slight chance of showers late. .TONIGHT...NW winds 5 to 10 kt. Seas 3 to 4 ft, occasionally to 5 ft. Wave Detail: SE 3 ft at 7 seconds. Slight chance of tstms in the evening. Slight chance of showers. .FRI...NW winds 5 to 10 kt, becoming SW 10 to 15 kt in the afternoon. Seas 3 to 4 ft, occasionally to 5 ft. Wave Detail: S 3 ft at 9 seconds and SW 2 ft at 4 seconds. .FRI NIGHT...SW winds 5 to 10 kt. Seas 3 to 4 ft, occasionally to 5 ft. Wave Detail: SW 2 ft at 4 seconds and SE 2 ft at 7 seconds. .SAT...SW winds around 5 kt, becoming S 10 to 15 kt in the afternoon. Seas around 3 ft. Wave Detail: S 3 ft at 9 seconds and S 2 ft at 4 seconds. .SAT NIGHT...S winds 10 to 15 kt. Seas around 3 ft. Wave Detail: S 2 ft at 4 seconds and S 2 ft at 8 seconds. .SUN...S winds 10 to 15 kt with gusts up to 20 kt. Seas around 3 ft. .SUN NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas around 3 ft. Chance of showers. .MON...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft, occasionally to 6 ft. Chance of showers. .MON NIGHT...SW winds 10 to 15 kt. Seas 5 to 6 ft, occasionally to 8 ft. Chance of showers. Winds and seas may be higher in and near tstms. $$ ANZ355-310615- Sandy Hook NJ to Fire Island Inlet NY out 20 NM- 120 PM EDT Thu Jul 30 2026 .THIS AFTERNOON...NE winds 5 to 10 kt. Seas 3 to 4 ft, occasionally to 5 ft. Wave Detail: SE 3 ft at 8 seconds and NW 1 ft at 3 seconds. Slight chance of tstms. Showers likely early, then chance of showers late. .TONIGHT...N winds around 5 kt, becoming NW after midnight. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 7 seconds. Chance of showers and slight chance of tstms in the evening. .FRI...NW winds 5 to 10 kt, becoming SW in the afternoon. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 3 seconds and SE 2 ft at 9 seconds. .FRI NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at 4 seconds and SE 2 ft at 7 seconds. .SAT...SW winds around 5 kt, becoming S 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: S 2 ft at 3 seconds and S 2 ft at 9 seconds. .SAT NIGHT...S winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at 4 seconds and SE 2 ft at 8 seconds. .SUN...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .SUN NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas around 3 ft. Chance of showers. .MON...SW winds 10 to 15 kt. Seas 3 to 5 ft, occasionally to 6 ft. Chance of showers. .MON NIGHT...W winds 5 to 10 kt. Seas 4 to 5 ft, occasionally to 6 ft. Winds and seas may be higher in and near tstms. $$ ANZ332-310615- Long Island Sound East of the Mouth of the Connecticut River- 120 PM EDT Thu Jul 30 2026 .THIS AFTERNOON...N winds 5 to 10 kt. Seas around 2 ft. Wave Detail: NE 1 ft at 2 seconds. Slight chance of tstms. Showers likely early, then chance of showers late. .TONIGHT...NW winds around 5 kt. Seas around 2 ft. Wave Detail: NE 1 ft at 2 seconds. Chance of showers and slight chance of tstms in the evening. Patchy fog after midnight with vsby 1 to 3 nm. .FRI...NW winds around 5 kt, becoming SW in the afternoon. Seas around 2 ft. Wave Detail: SE 1 ft at 9 seconds. .FRI NIGHT...SW winds around 5 kt. Seas around 2 ft. Wave Detail: SE 1 ft at 8 seconds. .SAT...SW winds around 5 kt, becoming S in the afternoon. Seas around 2 ft. Wave Detail: S 1 ft at 2 seconds and SE 1 ft at 9 seconds. .SAT NIGHT...S winds 5 to 10 kt. Seas around 2 ft. Wave Detail: S 1 ft at 2 seconds. .SUN...S winds 5 to 10 kt with gusts up to 20 kt. Seas around 2 ft. .SUN NIGHT...S winds 5 to 10 kt. Seas around 2 ft. Chance of showers. .MON...SW winds 5 to 10 kt with gusts up to 20 kt. Seas around 2 ft. Chance of showers. .MON NIGHT...W winds 5 to 10 kt. Seas around 2 ft. Winds and seas may be higher in and near tstms. $$ ANZ331-310615- Long Island Sound East of New Haven CT/Port Jefferson NY to the Mouth of the Connecticut River- 120 PM EDT Thu Jul 30 2026 .THIS AFTERNOON...N winds 5 to 10 kt. Seas 1 ft or less. Wave Detail: NE 1 ft at 3 seconds. Slight chance of tstms. Showers likely early, then chance of showers late. .TONIGHT...NW winds around 5 kt. Seas 1 ft or less. Wave Detail: NE 1 ft at 3 seconds. Chance of showers and slight chance of tstms in the evening. Patchy fog after midnight with vsby 1 to 3 nm. .FRI...NW winds around 5 kt, becoming SW in the afternoon. Seas 1 ft or less. .FRI NIGHT...SW winds around 5 kt. Seas 1 ft or less. .SAT...SW winds around 5 kt, becoming S in the afternoon. Seas 1 ft or less. .SAT NIGHT...S winds 5 to 10 kt. Seas 1 ft or less. Wave Detail: S 1 ft at 2 seconds. .SUN...S winds 5 to 10 kt with gusts up to 20 kt. Seas 1 ft or less. .SUN NIGHT...S winds 5 to 10 kt. Seas 1 ft or less. Chance of showers. .MON...SW winds 5 to 10 kt with gusts up to 20 kt. Seas 1 ft or less. Chance of showers and tstms. .MON NIGHT...W winds 5 to 10 kt. Seas 1 ft or less. Winds and seas may be higher in and near tstms. $$ ANZ335-310615- Long Island Sound West of New Haven CT/Port Jefferson NY- 120 PM EDT Thu Jul 30 2026 .THIS AFTERNOON...NE winds 5 to 10 kt. Seas 1 ft or less. Wave Detail: NE 1 ft at 3 seconds. Slight chance of tstms. Showers likely early, then chance of showers late. .TONIGHT...NW winds around 5 kt. Seas 1 ft or less. Wave Detail: NE 1 ft at 3 seconds. Chance of showers and slight chance of tstms in the evening. .FRI...W winds around 5 kt. Seas 1 ft or less. .FRI NIGHT...SW winds around 5 kt. Seas 1 ft or less. .SAT...SW winds around 5 kt, becoming S in the afternoon. Seas 1 ft or less. .SAT NIGHT...S winds 5 to 10 kt. Seas 1 ft or less. Wave Detail: S 1 ft at 2 seconds. .SUN...S winds 10 to 15 kt with gusts up to 20 kt. Seas 1 ft or less. .SUN NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas 1 ft or less. Chance of showers. .MON...SW winds 5 to 10 kt. Seas 1 ft or less. Chance of showers and tstms. .MON NIGHT...W winds 5 to 10 kt. Seas 1 ft or less. Chance of showers. Winds and seas may be higher in and near tstms. $$ ANZ338-310615- New York Harbor- 120 PM EDT Thu Jul 30 2026 .THIS AFTERNOON...N winds 5 to 10 kt. Waves around 2 ft. Chance of showers and slight chance of tstms. .TONIGHT...N winds around 5 kt, becoming W around 5 kt after midnight. Waves 1 to 2 ft in the evening, then 1 ft or less. Chance of showers and slight chance of tstms in the evening. .FRI...NW winds around 5 kt, becoming SW in the afternoon. Waves 1 ft or less. .FRI NIGHT...SW winds 5 to 10 kt. Waves 1 ft or less. .SAT...SW winds around 5 kt, becoming S 10 to 15 kt with gusts up to 20 kt in the afternoon. Waves 1 ft or less, then 1 to 2 ft in the afternoon. .SAT NIGHT...S winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt after midnight. Waves 1 to 2 ft. Wave Detail: S 1 ft at 2 seconds. .SUN...S winds 10 to 15 kt with gusts up to 20 kt. Waves 1 to 2 ft. .SUN NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Waves 1 to 2 ft. Showers likely. .MON...SW winds 5 to 10 kt. Waves 1 to 2 ft. Chance of showers and tstms. .MON NIGHT...W winds 5 to 10 kt. Waves 1 to 2 ft. Chance of showers. Winds and waves may be higher in and near tstms. $$ ANZ340-310615- Peconic and Gardiners Bays- 120 PM EDT Thu Jul 30 2026 .THIS AFTERNOON...N winds 5 to 10 kt. Waves 1 ft or less. Slight chance of tstms. Showers likely early, then chance of showers late. .TONIGHT...NW winds around 5 kt. Waves 1 ft or less. Slight chance of showers and tstms in the evening. Patchy fog after midnight with vsby 1 to 3 nm. .FRI...NW winds around 5 kt, becoming SW in the afternoon. Waves 1 ft or less. .FRI NIGHT...SW winds around 5 kt. Waves 1 ft or less. .SAT...SW winds around 5 kt, becoming S in the afternoon. Waves 1 ft or less. .SAT NIGHT...S winds 5 to 10 kt. Waves 1 ft or less. .SUN...S winds 5 to 10 kt with gusts up to 20 kt. Waves 1 ft or less. .SUN NIGHT...S winds 5 to 10 kt. Waves 1 ft or less. Chance of showers. .MON...SW winds 5 to 10 kt with gusts up to 20 kt. Waves 1 ft or less. Chance of showers. .MON NIGHT...W winds 5 to 10 kt. Waves 1 ft or less. Winds and waves may be higher in and near tstms. $$ ANZ345-310615- South Shore Bays from Jones Inlet through Shinnecock Bay- 120 PM EDT Thu Jul 30 2026 .THIS AFTERNOON...N winds 5 to 10 kt. Waves 1 ft or less. Slight chance of tstms. Showers likely early, then chance of showers late. .TONIGHT...NW winds around 5 kt. Waves 1 ft or less. Chance of showers and slight chance of tstms in the evening, then slight chance of showers after midnight. Patchy fog after midnight with vsby 1 to 3 nm. .FRI...NW winds around 5 kt, becoming SW in the afternoon. Waves 1 ft or less. .FRI NIGHT...SW winds 5 to 10 kt. Waves 1 ft or less. .SAT...SW winds around 5 kt, becoming S in the afternoon. Waves 1 ft or less. .SAT NIGHT...S winds 5 to 10 kt. Waves 1 ft or less. .SUN...S winds 10 to 15 kt with gusts up to 20 kt. Waves 1 ft or less. .SUN NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Waves 1 ft or less. Chance of showers. .MON...SW winds around 10 kt with gusts up to 20 kt. Waves 1 ft or less. Chance of showers and tstms. .MON NIGHT...W winds 5 to 10 kt. Waves 1 ft or less. Chance of showers. Winds and waves may be higher in and near tstms. $$ ANZ380-310615- Waters from Moriches Inlet NY to Montauk Point NY from 20 to 60 nm- 120 PM EDT Thu Jul 30 2026 .THIS AFTERNOON...N winds 10 to 15 kt. Seas 4 to 5 ft, occasionally to 6 ft. Wave Detail: S 4 ft at 8 seconds and E 2 ft at 6 seconds. Slight chance of tstms. Chance of showers early, then slight chance of showers late. .TONIGHT...N winds 10 to 15 kt, becoming NW 5 to 10 kt after midnight. Seas 4 to 5 ft, occasionally to 6 ft. Wave Detail: S 4 ft at 8 seconds and NE 2 ft at 6 seconds. .FRI...NW winds 5 to 10 kt, becoming W 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 3 to 4 ft, occasionally to 5 ft. Wave Detail: S 3 ft at 9 seconds and W 2 ft at 4 seconds. .FRI NIGHT...SW winds around 10 kt. Seas 3 to 4 ft, occasionally to 5 ft. Wave Detail: S 3 ft at 8 seconds and W 2 ft at 4 seconds. .SAT...SW winds 5 to 10 kt. Seas 3 to 4 ft, occasionally to 5 ft. Wave Detail: S 3 ft at 9 seconds and W 1 ft at 4 seconds. .SAT NIGHT...S winds around 10 kt. Seas around 3 ft. Wave Detail: S 3 ft at 8 seconds and NE 1 ft at 6 seconds. .SUN...S winds around 10 kt. Seas around 3 ft. .SUN NIGHT...S winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 4 ft, occasionally to 5 ft. Chance of showers. .MON...SW winds around 15 kt with gusts up to 25 kt. Seas 4 to 6 ft, occasionally to 8 ft. Chance of showers. .MON NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 5 to 6 ft, occasionally to 8 ft. Chance of showers and tstms. Winds and seas may be higher in and near tstms. $$ ANZ383-310615- Waters from Fire Island Inlet NY to Moriches Inlet NY from 20 to 60 nm- 120 PM EDT Thu Jul 30 2026 .THIS AFTERNOON...NE winds 10 to 15 kt with gusts up to 20 kt. Seas around 4 ft, occasionally to 5 ft. Wave Detail: SE 4 ft at 7 seconds and W 1 ft at 4 seconds. Chance of showers and slight chance of tstms. .TONIGHT...NE winds 10 to 15 kt with gusts up to 20 kt, becoming W 5 to 10 kt after midnight. Seas 3 to 4 ft, occasionally to 5 ft. Wave Detail: S 4 ft at 8 seconds and NE 2 ft at 6 seconds. .FRI...NW winds around 10 kt, becoming W with gusts up to 20 kt in the afternoon. Seas 3 to 4 ft, occasionally to 5 ft. Wave Detail: S 3 ft at 9 seconds and W 2 ft at 4 seconds. .FRI NIGHT...SW winds around 10 kt. Seas 3 to 4 ft, occasionally to 5 ft. Wave Detail: S 3 ft at 8 seconds and SW 2 ft at 4 seconds. .SAT...SW winds around 5 kt, becoming S in the afternoon. Seas around 3 ft. Wave Detail: S 3 ft at 9 seconds and SW 2 ft at 4 seconds. .SAT NIGHT...S winds around 10 kt. Seas around 3 ft. Wave Detail: S 2 ft at 4 seconds and S 2 ft at 8 seconds. .SUN...S winds 10 to 15 kt. Seas around 3 ft. .SUN NIGHT...S winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 4 ft, occasionally to 5 ft. Showers likely. .MON...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 5 to 7 ft, occasionally to 9 ft. Chance of showers. .MON NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 5 to 7 ft, occasionally to 9 ft. Chance of showers and tstms. Winds and seas may be higher in and near tstms. $$ ANZ385-310615- Waters from Sandy Hook NJ to Fire Island Inlet NY from 20 to 60 nm- 120 PM EDT Thu Jul 30 2026 .THIS AFTERNOON...NE winds 10 to 15 kt. Seas around 4 ft, occasionally to 5 ft. Wave Detail: E 3 ft at 7 seconds and NW 2 ft at 4 seconds. Chance of showers and slight chance of tstms. .TONIGHT...NE winds 5 to 10 kt, becoming W after midnight. Seas 3 to 4 ft, occasionally to 5 ft. Wave Detail: SE 3 ft at 7 seconds and NW 1 ft at 3 seconds. .FRI...NW winds 5 to 10 kt, becoming SW 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 3 to 4 ft, occasionally to 5 ft. Wave Detail: S 3 ft at 9 seconds and W 2 ft at 4 seconds. .FRI NIGHT...SW winds around 10 kt. Seas around 3 ft. Wave Detail: S 3 ft at 9 seconds and SW 2 ft at 4 seconds. .SAT...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft at 9 seconds and S 2 ft at 4 seconds. .SAT NIGHT...S winds around 10 kt. Seas around 3 ft. Wave Detail: S 2 ft at 4 seconds and S 2 ft at 8 seconds. .SUN...S winds 10 to 15 kt. Seas around 3 ft. .SUN NIGHT...S winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 4 ft, occasionally to 5 ft. Showers likely. .MON...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 4 to 6 ft, occasionally to 8 ft. Chance of showers. .MON NIGHT...SW winds 10 to 15 kt. Seas 5 to 7 ft, occasionally to 9 ft. Chance of showers and tstms. Winds and seas may be higher in and near tstms. $$