Coastal Waters Forecast
Issued by NWS Upton, NY

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809 FZUS51 KOKX 151831 CWFOKX Coastal Waters Forecast National Weather Service New York NY 231 PM EDT Tue Jul 15 2025 Montauk Point NY to Sandy Hook NJ out 20 nm offshore, including Long Island Sound, the Long Island Bays, and New York Harbor ANZ300-160730- 231 PM EDT Tue Jul 15 2025 .Synopsis for the Long Island and Connecticut coastal waters... A weak frontal boundary will remain near the waters through the day on Wednesday before lifting north of the waters Wednesday night. A surface trough moves slowly across the waters Thursday followed by a cold front late Thursday night into Friday morning. High pressure builds in Friday and moves offshore Saturday. A warm front moves through the region Sunday followed by a cold front Sunday night into Monday. $$ ANZ350-160730- Moriches Inlet NY to Montauk Point NY out 20 nm- 231 PM EDT Tue Jul 15 2025 .TONIGHT...SW winds around 5 kt. Seas around 2 ft. Wave Detail: S 2 ft at 6 seconds. .WED...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SE 2 ft at 6 seconds. .WED NIGHT...SW winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft at 5 seconds and SE 1 ft at 9 seconds. Slight chance of showers and tstms in the evening, then chance of showers and tstms after midnight. .THU...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft, occasionally to 5 ft. Wave Detail: S 4 ft at 6 seconds and E 1 ft at 10 seconds. Chance of showers and slight chance of tstms. .THU NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 5 ft, occasionally to 6 ft. Wave Detail: S 5 ft at 7 seconds and E 1 ft at 11 seconds. Slight chance of showers and tstms. .FRI...W winds around 10 kt. Seas 3 to 5 ft, occasionally to 6 ft. Wave Detail: S 4 ft at 7 seconds and E 1 ft at 11 seconds. .FRI NIGHT...NW winds 5 to 10 kt, becoming NE after midnight. Seas 3 to 4 ft, occasionally to 5 ft. .SAT...E winds 5 to 10 kt. Seas 2 to 3 ft. .SAT NIGHT...S winds 5 to 10 kt. Seas around 2 ft. .SUN...S winds 5 to 10 kt. Seas around 2 ft. Chance of showers. .SUN NIGHT...SW winds around 10 kt. Seas 2 to 3 ft. Chance of showers. Winds and seas may be higher in and near tstms. $$ ANZ353-160730- Fire Island Inlet NY to Moriches Inlet NY out 20 nm- 231 PM EDT Tue Jul 15 2025 .TONIGHT...SW winds around 5 kt. Seas around 2 ft. Wave Detail: SE 2 ft at 7 seconds. .WED...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SE 2 ft at 6 seconds. .WED NIGHT...SW winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 7 seconds. Chance of showers and tstms. Vsby 1 to 3 nm after midnight. .THU...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft, occasionally to 5 ft. Wave Detail: S 4 ft at 6 seconds and E 1 ft at 10 seconds. Chance of showers and slight chance of tstms. Vsby 1 to 3 nm in the morning. .THU NIGHT...SW winds 10 to 15 kt. Seas 4 to 5 ft, occasionally to 6 ft. Wave Detail: S 4 ft at 7 seconds. Showers likely with slight chance of tstms in the evening. .FRI...W winds around 10 kt. Seas 3 to 4 ft, occasionally to 5 ft. Wave Detail: S 4 ft at 7 seconds and E 1 ft at 12 seconds. .FRI NIGHT...NW winds 5 to 10 kt, becoming NE after midnight. Seas around 3 ft. .SAT...E winds 5 to 10 kt. Seas 2 to 3 ft. .SAT NIGHT...S winds 5 to 10 kt. Seas around 2 ft. .SUN...S winds 5 to 10 kt. Seas around 2 ft. Chance of showers. .SUN NIGHT...SW winds around 10 kt. Seas 2 to 3 ft. Chance of showers. Winds and seas may be higher in and near tstms. $$ ANZ355-160730- Sandy Hook NJ to Fire Island Inlet NY out 20 nm- 231 PM EDT Tue Jul 15 2025 .TONIGHT...S winds 5 to 10 kt, becoming SW late. Seas around 2 ft. Wave Detail: SE 2 ft at 7 seconds. .WED...S winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SE 2 ft at 6 seconds. Slight chance of showers and tstms in the afternoon. .WED NIGHT...SW winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 7 seconds. Chance of showers and tstms. .THU...SW winds 10 to 15 kt. Seas 2 to 4 ft, occasionally to 5 ft. Wave Detail: S 3 ft at 6 seconds and E 1 ft at 10 seconds. Chance of showers and slight chance of tstms in the morning, then showers likely with chance of tstms in the afternoon. .THU NIGHT...SW winds 10 to 15 kt. Seas 3 to 4 ft, occasionally to 5 ft. Wave Detail: S 4 ft at 7 seconds. Showers likely with chance of tstms in the evening. .FRI...W winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: W 3 ft at 7 seconds. .FRI NIGHT...NW winds 5 to 10 kt, becoming NE after midnight. Seas 2 to 3 ft. .SAT...E winds 5 to 10 kt. Seas 2 to 3 ft. .SAT NIGHT...S winds 5 to 10 kt. Seas around 2 ft. .SUN...S winds 5 to 10 kt. Seas around 2 ft. Chance of showers. .SUN NIGHT...SW winds around 10 kt. Seas around 2 ft. Chance of showers. Winds and seas may be higher in and near tstms. $$ ANZ332-160730- Long Island Sound East of the Mouth of the Connecticut River- 231 PM EDT Tue Jul 15 2025 .TONIGHT...SW winds around 5 kt. Seas 1 ft or less. Wave Detail: SE 1 ft at 5 seconds. Patchy fog after midnight with vsby 1 to 3 nm. .WED...SW winds around 5 kt, becoming S in the afternoon. Seas 1 ft or less. Wave Detail: S 1 ft at 2 seconds. Patchy fog in the morning with vsby 1 to 3 nm. .WED NIGHT...SW winds 5 to 10 kt. Seas 1 ft or less. Wave Detail: SW 1 ft at 2 seconds. Slight chance of showers and tstms in the evening, then chance of showers and slight chance of tstms after midnight with vsby 1 to 3 nm. .THU...SW winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas around 2 ft. Wave Detail: SW 1 ft at 2 seconds. Chance of showers and slight chance of tstms in the morning, then showers likely with slight chance of tstms in the afternoon. Vsby 1 to 3 nm in the morning. .THU NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, becoming W 5 to 10 kt after midnight. Seas around 2 ft. Wave Detail: SW 1 ft at 3 seconds. Showers likely with slight chance of tstms in the evening. .FRI...W winds 5 to 10 kt. Seas around 2 ft. Wave Detail: W 1 ft at 2 seconds. .FRI NIGHT...N winds 5 to 10 kt, becoming NE after midnight. Seas around 2 ft in the evening, then 1 ft or less. .SAT...E winds around 5 kt. Seas 1 ft or less. .SAT NIGHT...S winds around 5 kt. Seas 1 ft or less. .SUN...S winds 5 to 10 kt. Seas around 2 ft. Chance of showers. .SUN NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Chance of showers. Winds and seas may be higher in and near tstms. $$ ANZ331-160730- Long Island Sound East of New Haven CT/Port Jefferson NY to the Mouth of the Connecticut River- 231 PM EDT Tue Jul 15 2025 .TONIGHT...S winds around 5 kt until early morning, becoming light and variable. Seas 1 ft or less. Patchy fog after midnight with vsby 1 to 3 nm. .WED...S winds around 5 kt, increasing to 5 to 10 kt in the afternoon. Seas 1 ft or less. Patchy fog in the morning with vsby 1 to 3 nm. .WED NIGHT...SW winds 5 to 10 kt. Seas 1 ft or less. Wave Detail: S 1 ft at 2 seconds. Chance of showers and tstms in the evening, then chance of showers and slight chance of tstms after midnight with vsby 1 to 3 nm. .THU...SW winds 5 to 10 kt. Seas 1 ft or less. Wave Detail: SW 1 ft at 2 seconds. Chance of showers and slight chance of tstms in the morning, then showers likely with chance of tstms in the afternoon. Vsby 1 to 3 nm in the morning. .THU NIGHT...SW winds 5 to 10 kt. Seas 1 ft or less. Wave Detail: SW 1 ft at 3 seconds. Showers likely with chance of tstms in the evening. .FRI...NW winds 5 to 10 kt. Seas 1 ft or less. Wave Detail: W 1 ft at 3 seconds. .FRI NIGHT...N winds 5 to 10 kt, becoming NE after midnight. Seas 1 ft or less. .SAT...E winds around 5 kt. Seas 1 ft or less. .SAT NIGHT...S winds 5 to 10 kt. Seas 1 ft or less. .SUN...S winds 5 to 10 kt. Seas 1 ft or less. Chance of showers. .SUN NIGHT...W winds 5 to 10 kt. Seas 1 ft or less. Chance of showers. Winds and seas may be higher in and near tstms. $$ ANZ335-160730- Long Island Sound West of New Haven CT/Port Jefferson NY- 231 PM EDT Tue Jul 15 2025 .TONIGHT...S winds around 5 kt until early morning, becoming light and variable. Seas 1 ft or less. Patchy fog after midnight with vsby 1 to 3 nm. .WED...S winds around 5 kt, increasing to 5 to 10 kt in the afternoon. Seas 1 ft or less. Patchy fog in the morning with vsby 1 to 3 nm. .WED NIGHT...S winds 5 to 10 kt. Seas 1 ft or less. Chance of showers and tstms. Vsby 1 to 3 nm after midnight. .THU...SW winds 5 to 10 kt. Seas 1 ft or less. Chance of showers and slight chance of tstms in the morning, then showers likely with chance of tstms in the afternoon. Vsby 1 to 3 nm in the morning. .THU NIGHT...W winds 5 to 10 kt. Seas 1 ft or less. Wave Detail: SW 1 ft at 2 seconds. Showers likely with chance of tstms in the evening. .FRI...NW winds 5 to 10 kt. Seas 1 ft or less. Wave Detail: W 1 ft at 2 seconds. .FRI NIGHT...N winds 5 to 10 kt. Seas 1 ft or less. .SAT...E winds 5 to 10 kt. Seas 1 ft or less. .SAT NIGHT...S winds 5 to 10 kt. Seas 1 ft or less. .SUN...SW winds 5 to 10 kt. Seas 1 ft or less. Chance of showers. .SUN 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. $$ ANZ338-160730- New York Harbor- 231 PM EDT Tue Jul 15 2025 .TONIGHT...S winds around 5 kt, becoming SW around 5 kt after midnight. Waves 1 ft or less. Slight chance of showers and tstms early this evening. .WED...SW winds around 5 kt, becoming SE in the afternoon. Waves 1 ft or less. Chance of showers and tstms in the afternoon. .WED NIGHT...SW winds 5 to 10 kt. Waves 1 ft or less. Chance of showers and tstms. .THU...SW winds 5 to 10 kt. Waves 1 ft or less, then 1 to 2 ft in the afternoon. Chance of showers and slight chance of tstms in the morning, then showers likely with chance of tstms in the afternoon. .THU NIGHT...W winds 5 to 10 kt. Waves 1 to 2 ft. Showers likely with chance of tstms in the evening. .FRI...NW winds 5 to 10 kt. Waves 1 ft or less. .FRI NIGHT...N winds 5 to 10 kt. Waves 1 ft or less. .SAT...E winds 5 to 10 kt. Waves 1 ft or less. .SAT NIGHT...S winds 5 to 10 kt. Waves 1 ft or less. .SUN...SW winds 5 to 10 kt. Waves 1 ft or less. Chance of showers. .SUN NIGHT...W winds 5 to 10 kt. Waves 1 ft or less. Chance of showers. Winds and waves may be higher in and near tstms. $$ ANZ340-160730- Peconic and Gardiners Bays- 231 PM EDT Tue Jul 15 2025 .TONIGHT...SW winds around 5 kt this evening, becoming light and variable. Waves 1 ft or less. Patchy fog after midnight with vsby 1 to 3 nm. .WED...SW winds around 5 kt, becoming S in the afternoon. Waves 1 ft or less. Patchy fog in the morning with vsby 1 to 3 nm. .WED NIGHT...SW winds 5 to 10 kt. Waves 1 ft or less. Slight chance of showers and tstms in the evening, then chance of showers and slight chance of tstms after midnight with vsby 1 to 3 nm. .THU...SW winds 5 to 10 kt. Waves 1 ft or less. Chance of showers and slight chance of tstms in the morning, then showers likely with slight chance of tstms in the afternoon. Vsby 1 to 3 nm in the morning. .THU NIGHT...SW winds 5 to 10 kt. Waves 1 ft or less. Showers likely with slight chance of tstms in the evening. .FRI...W winds 5 to 10 kt. Waves 1 ft or less. .FRI NIGHT...N winds around 5 kt, becoming NE after midnight. Waves 1 ft or less. .SAT...E winds around 5 kt. Waves 1 ft or less. .SAT NIGHT...S winds around 5 kt. Waves 1 ft or less. .SUN...S winds 5 to 10 kt. Waves 1 ft or less. Chance of showers. .SUN NIGHT...SW winds 5 to 10 kt. Waves 1 ft or less. Chance of showers. Winds and waves may be higher in and near tstms. $$ ANZ345-160730- South Shore Bays from Jones Inlet through Shinnecock Bay- 231 PM EDT Tue Jul 15 2025 .TONIGHT...S winds around 5 kt until early morning, becoming light and variable. Waves 1 ft or less. Patchy fog after midnight with vsby 1 to 3 nm. .WED...SW winds around 5 kt, becoming S in the afternoon. Waves 1 ft or less. Patchy fog in the morning with vsby 1 to 3 nm. .WED NIGHT...SW winds 5 to 10 kt. Waves 1 ft or less. Chance of showers and tstms. .THU...SW winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt in the afternoon. Waves 1 ft or less. Chance of showers and slight chance of tstms in the morning, then showers likely with chance of tstms in the afternoon. .THU NIGHT...SW winds 5 to 10 kt. Waves 1 ft or less. Showers likely with chance of tstms in the evening. .FRI...NW winds 5 to 10 kt. Waves 1 ft or less. .FRI NIGHT...N winds around 5 kt. Waves 1 ft or less. .SAT...E winds 5 to 10 kt. Waves 1 ft or less. .SAT NIGHT...S winds around 5 kt. Waves 1 ft or less. .SUN...S winds 5 to 10 kt. Waves 1 ft or less. Chance of showers. .SUN NIGHT...SW winds 5 to 10 kt. Waves 1 ft or less. Chance of showers. Winds and waves may be higher in and near tstms. $$