Coastal Waters Forecast
Issued by NWS Upton, NY
Issued by NWS Upton, NY
229 FZUS51 KOKX 301847 CWFOKX Coastal Waters Forecast National Weather Service New York NY 247 PM EDT Wed Jul 30 2025 Montauk Point NY to Sandy Hook NJ out 20 nm offshore, including Long Island Sound, the Long Island Bays, and New York Harbor ANZ300-310730- 247 PM EDT Wed Jul 30 2025 .Synopsis for the Long Island and Connecticut coastal waters... A cold front approaches the water tonight, stalling nearby or over waters on Thursday. A weak wave of low pressure travels along the front impacting the area Thursday afternoon through Friday. High pressure settles over the region this weekend and remains in place into early next week. $$ ANZ350-310730- Moriches Inlet NY to Montauk Point NY out 20 nm- 247 PM EDT Wed Jul 30 2025 .TONIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SW 2 ft at 4 seconds and SE 1 ft at 8 seconds. .THU...N winds 5 to 10 kt, becoming E in the afternoon. Seas around 2 ft. Wave Detail: SW 2 ft at 4 seconds and E 2 ft at 8 seconds. Chance of showers and slight chance of tstms. .THU NIGHT...E winds 10 to 15 kt, increasing to 15 to 20 kt after midnight. Seas 2 to 4 ft, occasionally to 5 ft. Wave Detail: SE 3 ft at 5 seconds. Showers likely with slight chance of tstms. Vsby 1 to 3 nm. .FRI...NE winds 20 to 25 kt with gusts up to 30 kt. Seas 5 to 7 ft, occasionally to 9 ft. Wave Detail: E 6 ft at 6 seconds and SW 1 ft at 4 seconds. Showers likely with slight chance of tstms in the morning, then showers likely in the afternoon. Vsby 1 to 3 nm. .FRI NIGHT...NE winds 20 to 25 kt, diminishing to 15 to 20 kt after midnight. Seas 5 to 7 ft, occasionally to 9 ft. Wave Detail: E 6 ft at 7 seconds. Showers likely, mainly in the evening with vsby 1 to 3 nm. .SAT...NE winds 15 to 20 kt, diminishing to 10 to 15 kt in the afternoon. Gusts up to 30 kt. Seas 4 to 6 ft, occasionally to 8 ft. Wave Detail: E 6 ft at 7 seconds. .SAT NIGHT...SE winds 5 to 10 kt, becoming SW after midnight. Seas 3 to 4 ft, occasionally to 5 ft. .SUN...SW winds 5 to 10 kt. Seas 2 to 3 ft. .SUN NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. .MON...S winds 5 to 10 kt. Seas 2 to 3 ft. .MON NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. Winds and seas may be higher in and near tstms. $$ ANZ353-310730- Fire Island Inlet NY to Moriches Inlet NY out 20 nm- 247 PM EDT Wed Jul 30 2025 .TONIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: S 2 ft at 4 seconds and SE 1 ft at 8 seconds. .THU...N winds 5 to 10 kt, becoming E in the afternoon. Seas around 2 ft. Wave Detail: S 2 ft at 4 seconds and SE 1 ft at 8 seconds. Chance of showers and slight chance of tstms. Vsby 1 to 3 nm in the afternoon. .THU NIGHT...E winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at 5 seconds. Slight chance of tstms. Showers. Vsby 1 to 3 nm. .FRI...NE winds 20 to 25 kt with gusts up to 30 kt. Seas 5 to 7 ft, occasionally to 9 ft. Wave Detail: E 6 ft at 6 seconds and S 1 ft at 5 seconds. Showers and slight chance of tstms. Vsby 1 to 3 nm. .FRI NIGHT...NE winds around 20 kt with gusts up to 30 kt. Seas 5 to 6 ft, occasionally to 8 ft. Wave Detail: E 6 ft at 7 seconds. Showers likely, mainly in the evening with vsby 1 to 3 nm. .SAT...NE winds 15 to 20 kt, diminishing to 10 to 15 kt in the afternoon. Seas 4 to 6 ft, occasionally to 8 ft. Wave Detail: E 6 ft at 7 seconds. .SAT NIGHT...SE winds 5 to 10 kt, becoming S after midnight. Seas 3 to 4 ft, occasionally to 5 ft. .SUN...W winds 5 to 10 kt. Seas around 3 ft. .SUN NIGHT...S winds 5 to 10 kt. Seas around 3 ft. .MON...S winds 5 to 10 kt. Seas 2 to 3 ft. .MON NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. Winds and seas may be higher in and near tstms. $$ ANZ355-310730- Sandy Hook NJ to Fire Island Inlet NY out 20 nm- 247 PM EDT Wed Jul 30 2025 .TONIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: S 2 ft at 4 seconds and SE 1 ft at 8 seconds. Slight chance of showers and tstms late. .THU...N winds 5 to 10 kt, becoming E 10 to 15 kt in the afternoon. Seas around 2 ft. Wave Detail: SE 2 ft at 4 seconds and SE 1 ft at 8 seconds. Chance of showers and slight chance of tstms. Vsby 1 to 3 nm in the afternoon. .THU NIGHT...E winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at 4 seconds. Showers and slight chance of tstms. Vsby 1 to 3 nm. .FRI...NE winds 20 to 25 kt with gusts up to 30 kt. Seas 4 to 6 ft, occasionally to 8 ft. Wave Detail: E 5 ft at 5 seconds and S 1 ft at 5 seconds. Showers and slight chance of tstms. Vsby 1 to 3 nm. .FRI NIGHT...NE winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 6 ft, occasionally to 8 ft. Wave Detail: E 5 ft at 7 seconds. Chance of showers and slight chance of tstms in the evening, then chance of showers after midnight. Vsby 1 to 3 nm in the evening. .SAT...NE winds 15 to 20 kt, diminishing to 10 to 15 kt in the afternoon. Seas 3 to 5 ft, occasionally to 6 ft. Wave Detail: E 5 ft at 8 seconds. .SAT NIGHT...SE winds 5 to 10 kt, becoming SW after midnight. Seas 2 to 4 ft, occasionally to 5 ft. .SUN...W winds 5 to 10 kt. Seas 2 to 3 ft. .SUN NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. .MON...S winds 5 to 10 kt. Seas 2 to 3 ft. .MON NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. Winds and seas may be higher in and near tstms. $$ ANZ332-310730- Long Island Sound East of the Mouth of the Connecticut River- 247 PM EDT Wed Jul 30 2025 .TONIGHT...SW winds 5 to 10 kt, becoming W late. Seas 1 ft or less. Wave Detail: SW 1 ft at 2 seconds. Slight chance of showers and tstms late. .THU...NE winds 5 to 10 kt. Seas 1 ft or less, then around 2 ft in the afternoon. Wave Detail: E 1 ft at 2 seconds, becoming E 1 ft at 3 seconds. Chance of showers and slight chance of tstms in the morning, then showers likely with slight chance of tstms in the afternoon with vsby 1 to 3 nm. .THU NIGHT...NE winds 10 to 15 kt. Seas around 2 ft. Wave Detail: E 2 ft at 4 seconds. Showers likely with slight chance of tstms. Vsby 1 to 3 nm. .FRI...NE winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at 5 seconds. Showers likely with slight chance of tstms in the morning, then showers likely in the afternoon. Vsby 1 to 3 nm. .FRI NIGHT...NE winds 15 to 20 kt, becoming N 10 to 15 kt after midnight. Seas around 2 ft. Wave Detail: NE 2 ft at 6 seconds. Showers likely, mainly in the evening. .SAT...NE winds 10 to 15 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 5 seconds, becoming E 1 ft at 6 seconds. .SAT NIGHT...SE winds 5 to 10 kt, becoming SW after midnight. Seas 1 ft or less. .SUN...SW winds 5 to 10 kt. Seas 1 ft or less. .SUN NIGHT...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...S winds 5 to 10 kt. Seas 1 ft or less. Winds and seas may be higher in and near tstms. $$ ANZ331-310730- Long Island Sound East of New Haven CT/Port Jefferson NY to the Mouth of the Connecticut River- 247 PM EDT Wed Jul 30 2025 .TONIGHT...SW winds 5 to 10 kt, becoming NW late. Seas 1 ft or less. Slight chance of showers and tstms early this evening. Slight chance of showers and tstms late. .THU...NE winds 5 to 10 kt. Seas 1 ft or less. Chance of showers and slight chance of tstms in the morning, then showers likely with slight chance of tstms in the afternoon with vsby 1 to 3 nm. .THU NIGHT...NE winds 10 to 15 kt. Seas around 2 ft. Wave Detail: E 2 ft at 3 seconds. Showers and slight chance of tstms. Vsby 1 to 3 nm. .FRI...NE winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 3 ft. Wave Detail: NE 3 ft at 4 seconds. Showers and slight chance of tstms. Vsby 1 to 3 nm. .FRI NIGHT...NE winds 10 to 15 kt with gusts up to 25 kt. Seas around 2 ft. Wave Detail: NE 2 ft at 4 seconds. Chance of showers, mainly in the evening. .SAT...N winds 10 to 15 kt, becoming NE 5 to 10 kt in the afternoon. Seas around 2 ft in the morning, then 1 ft or less. Wave Detail: NE 2 ft at 3 seconds, becoming NE 1 ft at 3 seconds. .SAT NIGHT...S winds 5 to 10 kt, becoming SW after midnight. Seas 1 ft or less. .SUN...SW winds around 5 kt. Seas 1 ft or less. .SUN NIGHT...SW winds 5 to 10 kt. Seas 1 ft or less. .MON...SW winds around 5 kt. Seas 1 ft or less. .MON NIGHT...S winds 5 to 10 kt. Seas 1 ft or less. Winds and seas may be higher in and near tstms. $$ ANZ335-310730- Long Island Sound West of New Haven CT/Port Jefferson NY- 247 PM EDT Wed Jul 30 2025 .TONIGHT...SW winds around 5 kt, becoming N late. Seas 1 ft or less. Chance of showers and tstms early this evening, then slight chance of showers and tstms late this evening and overnight. .THU...NE winds 5 to 10 kt. Seas 1 ft or less. Wave Detail: NE 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 with vsby 1 to 3 nm. .THU NIGHT...NE winds 10 to 15 kt, increasing to 15 to 20 kt after midnight. Seas around 2 ft. Wave Detail: E 2 ft at 3 seconds. Showers and slight chance of tstms. Vsby 1 to 3 nm. .FRI...NE winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at 4 seconds. Showers and slight chance of tstms. Vsby 1 to 3 nm. .FRI NIGHT...NE winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. Wave Detail: NE 2 ft at 4 seconds. Chance of showers, mainly in the evening. .SAT...N winds 10 to 15 kt with gusts up to 20 kt, becoming NE 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 4 seconds, becoming NE 1 ft at 4 seconds. .SAT NIGHT...SE winds 5 to 10 kt, becoming W after midnight. Seas 1 ft or less. .SUN...SW winds around 5 kt. Seas 1 ft or less. .SUN NIGHT...SW winds 5 to 10 kt. Seas 1 ft or less. .MON...SW winds around 5 kt. Seas 1 ft or less. .MON NIGHT...S winds 5 to 10 kt. Seas 1 ft or less. Winds and seas may be higher in and near tstms. $$ ANZ338-310730- New York Harbor- 247 PM EDT Wed Jul 30 2025 .TONIGHT...S winds 5 to 10 kt, becoming W after midnight. Waves 1 ft or less. Slight chance of showers and tstms early this evening. Slight chance of showers and tstms late. .THU...NE winds 5 to 10 kt, becoming E in the afternoon. Waves 1 ft or less. Wave Detail: E 1 ft at 2 seconds. Chance of showers and slight chance of tstms in the morning, then showers likely with slight chance of tstms in the afternoon with vsby 1 to 3 nm. .THU NIGHT...NE winds 10 to 15 kt. Waves around 2 ft. Wave Detail: E 1 ft at 2 seconds. Showers and slight chance of tstms. Vsby 1 to 3 nm. .FRI...NE winds 15 to 20 kt with gusts up to 25 kt. Waves around 2 ft. Wave Detail: NE 2 ft at 3 seconds. Showers and slight chance of tstms. Vsby 1 to 3 nm. .FRI NIGHT...NE winds 10 to 15 kt with gusts up to 20 kt. Waves around 2 ft. Wave Detail: NE 2 ft at 3 seconds. Chance of showers and slight chance of tstms in the evening, then slight chance of showers after midnight. .SAT...N winds 10 to 15 kt, becoming NE 5 to 10 kt in the afternoon. Waves around 2 ft in the morning, then 1 ft or less. Wave Detail: NE 2 ft at 3 seconds, becoming E 1 ft at 4 seconds. .SAT NIGHT...SE winds 5 to 10 kt, becoming SW after midnight. Waves 1 ft or less. .SUN...SW winds 5 to 10 kt. Waves 1 ft or less. .SUN NIGHT...SW winds 5 to 10 kt. Waves 1 ft or less. .MON...S winds 5 to 10 kt. Waves 1 ft or less. .MON NIGHT...S winds 5 to 10 kt. Waves 1 ft or less. Winds and waves may be higher in and near tstms. $$ ANZ340-310730- Peconic and Gardiners Bays- 247 PM EDT Wed Jul 30 2025 .TONIGHT...SW winds around 5 kt. Waves 1 ft or less. Slight chance of showers and tstms late. .THU...NE 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 with vsby 1 to 3 nm. .THU NIGHT...E winds 10 to 15 kt. Waves 1 ft or less, then around 2 ft after midnight. Slight chance of tstms. Showers. Vsby 1 to 3 nm. .FRI...NE winds 15 to 20 kt with gusts up to 25 kt. Waves around 2 ft. Showers and slight chance of tstms in the morning, then showers likely in the afternoon. Vsby 1 to 3 nm. .FRI NIGHT...NE winds 10 to 15 kt with gusts up to 25 kt. Waves around 2 ft. Showers likely, mainly in the evening. .SAT...NE winds 10 to 15 kt, becoming E 5 to 10 kt in the afternoon. Waves around 2 ft in the morning, then 1 ft or less. .SAT NIGHT...SE winds 5 to 10 kt, becoming SW after midnight. Waves 1 ft or less. .SUN...SW winds 5 to 10 kt. Waves 1 ft or less. .SUN NIGHT...SW winds 5 to 10 kt. Waves 1 ft or less. .MON...SW winds around 5 kt. Waves 1 ft or less. .MON NIGHT...S winds around 5 kt. Waves 1 ft or less. Winds and waves may be higher in and near tstms. $$ ANZ345-310730- South Shore Bays from Jones Inlet through Shinnecock Bay- 247 PM EDT Wed Jul 30 2025 .TONIGHT...SW winds 5 to 10 kt. Waves 1 ft or less. Slight chance of showers and tstms late. .THU...NE winds 5 to 10 kt, becoming E in the afternoon. Waves 1 ft or less. Chance of showers and slight chance of tstms in the morning, then showers likely with slight chance of tstms in the afternoon with vsby 1 to 3 nm. .THU NIGHT...E winds 10 to 15 kt. Waves 1 ft or less, then around 2 ft after midnight. Showers and slight chance of tstms. Vsby 1 to 3 nm. .FRI...NE winds 15 to 20 kt with gusts up to 25 kt. Waves around 2 ft. Showers and slight chance of tstms. Vsby 1 to 3 nm. .FRI NIGHT...NE winds 10 to 15 kt with gusts up to 25 kt. Waves around 2 ft. Showers likely, mainly in the evening. .SAT...NE winds 10 to 15 kt with gusts up to 25 kt. Waves around 2 ft in the morning, then 1 ft or less. .SAT NIGHT...SE winds 5 to 10 kt, becoming SW after midnight. Waves 1 ft or less. .SUN...SW winds 5 to 10 kt. Waves 1 ft or less. .SUN NIGHT...SW winds 5 to 10 kt. Waves 1 ft or less. .MON...S winds 5 to 10 kt. Waves 1 ft or less. .MON NIGHT...S winds 5 to 10 kt. Waves 1 ft or less. Winds and waves may be higher in and near tstms. $$