


Coastal Waters Forecast
Issued by NWS Upton, NY
Issued by NWS Upton, NY
255 FZUS51 KOKX 131815 CWFOKX Coastal Waters Forecast National Weather Service New York NY 215 PM EDT Wed Aug 13 2025 Montauk Point NY to Sandy Hook NJ out 20 nm offshore, including Long Island Sound, the Long Island Bays, and New York Harbor ANZ300-140715- 215 PM EDT Wed Aug 13 2025 .Synopsis for the Long Island and Connecticut coastal waters... A pre-frontal trough ahead of a cold front across the eastern Great Lakes will move into the area this evening where it will become nearly stationary. The cold front will then very slowly work west to east across the area Thursday afternoon and night. High pressure then builds over the region through Friday night before moving offshore Saturday. A cold front approaches Sunday, moving through late in the day into Sunday night. The front may stall nearby, as waves of low pressure move along the boundary into early next week. Meanwhile, high pressure attempts to return from the north early next week. $$ ANZ350-140715- Moriches Inlet NY to Montauk Point NY out 20 nm- 215 PM EDT Wed Aug 13 2025 .TONIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 4 seconds and E 2 ft at 8 seconds. Slight chance of showers and tstms this evening, then chance of showers and slight chance of tstms after midnight. Patchy fog after midnight with vsby 1 to 3 nm. .THU...S winds around 5 kt. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 4 seconds and E 1 ft at 7 seconds. Patchy fog in the morning. Chance of showers and slight chance of tstms in the morning, then chance of showers and tstms in the afternoon. Vsby 1 to 3 nm in the morning. .THU NIGHT...S winds around 5 kt, becoming N after midnight. Seas around 2 ft. Wave Detail: S 1 ft at 5 seconds and E 1 ft at 7 seconds. Slight chance of showers and tstms. .FRI...NE winds around 10 kt. Seas 2 to 3 ft. Wave Detail: NE 2 ft at 7 seconds and S 1 ft at 5 seconds. .FRI NIGHT...E winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 2 ft at 4 seconds and SE 2 ft at 8 seconds. .SAT...NE winds 5 to 10 kt, becoming SE in the afternoon. Seas 2 to 3 ft. Wave Detail: E 2 ft at 5 seconds and SE 2 ft at 8 seconds. .SAT NIGHT...S winds around 5 kt. Seas around 2 ft. .SUN...SW winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 3 ft. .SUN NIGHT...SW winds 10 to 15 kt. Seas around 3 ft. .MON...NE winds 10 to 15 kt. Seas around 3 ft. .MON NIGHT...SE winds 5 to 10 kt. Seas 3 to 4 ft, occasionally to 5 ft. Winds and seas may be higher in and near tstms. $$ ANZ353-140715- Fire Island Inlet NY to Moriches Inlet NY out 20 nm- 215 PM EDT Wed Aug 13 2025 .TONIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at 4 seconds and E 2 ft at 8 seconds. Chance of showers and slight chance of tstms. Patchy fog after midnight with vsby 1 to 3 nm. .THU...S winds around 5 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at 4 seconds and E 2 ft at 8 seconds. Patchy fog in the morning. Chance of showers and slight chance of tstms in the morning, then chance of showers and tstms in the afternoon. Vsby 1 to 3 nm in the morning. .THU NIGHT...S winds around 5 kt, becoming N after midnight. Seas around 2 ft. Wave Detail: S 1 ft at 5 seconds and E 1 ft at 7 seconds. Slight chance of showers and tstms. .FRI...NE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: NE 2 ft at 7 seconds and S 1 ft at 5 seconds. Slight chance of showers and tstms in the morning. .FRI NIGHT...E winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 2 ft at 5 seconds and SE 1 ft at 8 seconds. .SAT...E winds 5 to 10 kt, becoming SE in the afternoon. Seas 2 to 3 ft. Wave Detail: E 2 ft at 5 seconds and SE 2 ft at 8 seconds. .SAT NIGHT...S winds around 5 kt. Seas around 2 ft. .SUN...SW winds 5 to 10 kt. Seas 2 to 3 ft. .SUN NIGHT...SW winds 10 to 15 kt. Seas around 3 ft. .MON...NE winds 10 to 15 kt. Seas around 3 ft. .MON NIGHT...SE winds around 10 kt. Seas 3 to 4 ft, occasionally to 5 ft. Winds and seas may be higher in and near tstms. $$ ANZ355-140715- Sandy Hook NJ to Fire Island Inlet NY out 20 nm- 215 PM EDT Wed Aug 13 2025 .TONIGHT...S winds 10 to 15 kt, diminishing to 5 to 10 kt after midnight. Seas 2 to 3 ft. Wave Detail: S 2 ft at 4 seconds and E 2 ft at 8 seconds. Chance of showers and tstms early this evening, then chance of showers and slight chance of tstms late this evening and overnight. Patchy fog after midnight with vsby 1 to 3 nm. .THU...SW winds around 5 kt, becoming S in the afternoon. Seas around 2 ft. Wave Detail: S 1 ft at 4 seconds and SE 1 ft at 8 seconds. Patchy fog in the morning. Chance of showers and slight chance of tstms in the morning, then chance of showers and tstms in the afternoon. Vsby 1 to 3 nm in the morning. .THU NIGHT...SW winds around 5 kt, becoming N after midnight. Seas around 2 ft. Wave Detail: SE 1 ft at 6 seconds and SE 1 ft at 10 seconds. Chance of showers and tstms, mainly in the evening. .FRI...NE winds 5 to 10 kt, becoming E in the afternoon. Seas around 2 ft. Wave Detail: NE 2 ft at 7 seconds and S 1 ft at 5 seconds. Slight chance of showers and tstms. .FRI NIGHT...E winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SE 2 ft at 5 seconds and SE 1 ft at 8 seconds. .SAT...E winds 5 to 10 kt, becoming SE in the afternoon. Seas around 2 ft. Wave Detail: SE 2 ft at 5 seconds and SE 2 ft at 8 seconds. .SAT NIGHT...S winds 5 to 10 kt. Seas around 2 ft. .SUN...SW winds 5 to 10 kt. Seas 2 to 3 ft. .SUN NIGHT...SW winds 10 to 15 kt. Seas 2 to 3 ft. .MON...NE winds around 10 kt. Seas 2 to 3 ft. .MON NIGHT...SE winds around 10 kt. Seas 2 to 4 ft, occasionally to 5 ft. Winds and seas may be higher in and near tstms. $$ ANZ332-140715- Long Island Sound East of the Mouth of the Connecticut River- 215 PM EDT Wed Aug 13 2025 .TONIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SW 1 ft at 2 seconds. Chance of showers and slight chance of tstms. Patchy fog after midnight with vsby 1 to 3 nm. .THU...SW winds around 5 kt. Seas 1 ft or less. Patchy fog in the morning. Chance of showers and slight chance of tstms in the morning, then chance of showers and tstms in the afternoon. Vsby 1 to 3 nm in the morning. .THU NIGHT...E winds around 5 kt, becoming N after midnight. Seas 1 ft or less. Chance of showers and tstms, mainly in the evening. .FRI...NE winds 5 to 10 kt, becoming E in the afternoon. Seas around 2 ft. Wave Detail: NE 1 ft at 3 seconds. .FRI NIGHT...E winds 5 to 10 kt. Seas around 2 ft. Wave Detail: E 1 ft at 4 seconds. .SAT...E winds around 5 kt, becoming SE in the afternoon. Seas 1 ft or less, then around 2 ft in the afternoon. Wave Detail: E 1 ft at 5 seconds. .SAT NIGHT...S winds around 5 kt. Seas around 2 ft in the evening, then 1 ft or less. .SUN...SW winds 5 to 10 kt. Seas around 2 ft. .SUN NIGHT...W winds 5 to 10 kt. Seas around 2 ft. .MON...NE winds 5 to 10 kt. Seas around 2 ft. .MON NIGHT...SE winds 5 to 10 kt. Seas around 2 ft. Winds and seas may be higher in and near tstms. $$ ANZ331-140715- Long Island Sound East of New Haven CT/Port Jefferson NY to the Mouth of the Connecticut River- 215 PM EDT Wed Aug 13 2025 .TONIGHT...SW winds 5 to 10 kt. Seas 1 ft or less. Wave Detail: SW 1 ft at 2 seconds. Chance of showers and slight chance of tstms. Patchy fog after midnight with vsby 1 to 3 nm. .THU...SW winds around 5 kt, becoming E in the afternoon. Seas 1 ft or less. Patchy fog in the morning. Chance of showers and slight chance of tstms in the morning, then chance of showers and tstms in the afternoon. Vsby 1 to 3 nm in the morning. .THU NIGHT...NE winds around 5 kt, becoming N after midnight. Seas 1 ft or less. Chance of showers and tstms, mainly in the evening. .FRI...NE winds 5 to 10 kt, becoming E in the afternoon. Seas 1 ft or less. Wave Detail: NE 1 ft at 2 seconds. .FRI NIGHT...E winds 5 to 10 kt. Seas 1 ft or less. Wave Detail: E 1 ft at 2 seconds. .SAT...E winds around 5 kt. Seas 1 ft or less. .SAT NIGHT...S winds around 5 kt. Seas 1 ft or less. .SUN...SW winds 5 to 10 kt. Seas 1 ft or less. .SUN NIGHT...W winds 5 to 10 kt. Seas 1 ft or less. .MON...NE winds 5 to 10 kt. Seas 1 ft or less. .MON NIGHT...SE winds 5 to 10 kt. Seas 1 ft or less. Winds and seas may be higher in and near tstms. $$ ANZ335-140715- Long Island Sound West of New Haven CT/Port Jefferson NY- 215 PM EDT Wed Aug 13 2025 .TONIGHT...SW winds 5 to 10 kt. Seas 1 ft or less. Wave Detail: SW 1 ft at 2 seconds. Chance of showers and tstms early this evening, then chance of showers and slight chance of tstms late this evening and overnight. Patchy fog after midnight with vsby 1 to 3 nm. .THU...W winds around 5 kt, becoming NE in the afternoon. Seas 1 ft or less. Patchy fog in the morning. Chance of showers and slight chance of tstms in the morning, then chance of showers and tstms in the afternoon. Vsby 1 to 3 nm in the morning. .THU NIGHT...NE winds 5 to 10 kt. Seas 1 ft or less. Chance of showers and tstms, mainly in the evening. .FRI...NE winds around 10 kt, becoming E in the afternoon. Seas 1 ft or less. Wave Detail: NE 1 ft at 2 seconds. .FRI NIGHT...E winds 5 to 10 kt. Seas 1 ft or less. Wave Detail: E 1 ft at 2 seconds. .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...SW winds 5 to 10 kt. Seas 1 ft or less. .SUN NIGHT...W winds 5 to 10 kt. Seas 1 ft or less. .MON...NE winds 5 to 10 kt. Seas 1 ft or less. .MON NIGHT...E winds 5 to 10 kt. Seas 1 ft or less. Winds and seas may be higher in and near tstms. $$ ANZ338-140715- New York Harbor- 215 PM EDT Wed Aug 13 2025 .TONIGHT...SW winds 5 to 10 kt. Waves 1 to 2 ft this evening, then 1 ft or less. Showers likely with chance of tstms this evening, then chance of showers and slight chance of tstms after midnight. Patchy fog after midnight with vsby 1 to 3 nm. .THU...NW winds around 5 kt, becoming E in the afternoon. Waves 1 ft or less. Patchy fog in the morning. Chance of showers and slight chance of tstms in the morning, then chance of showers and tstms in the afternoon. Vsby 1 to 3 nm in the morning. .THU NIGHT...E winds around 5 kt, becoming N after midnight. Waves 1 ft or less. Chance of showers and tstms, mainly in the evening. .FRI...NE winds 5 to 10 kt, becoming E in the afternoon. Waves 1 ft or less. Slight chance of showers and tstms in the afternoon. .FRI NIGHT...E winds 5 to 10 kt. Waves 1 ft or less. Wave Detail: E 1 ft at 2 seconds. Slight chance of showers and tstms in the evening. .SAT...E winds 5 to 10 kt. Waves 1 ft or less. .SAT NIGHT...S winds 5 to 10 kt, becoming SW after midnight. Waves 1 ft or less. .SUN...SW winds 5 to 10 kt. Waves 1 to 2 ft. .SUN NIGHT...W winds 5 to 10 kt. Waves 1 to 2 ft. .MON...NE winds 5 to 10 kt. Waves 1 to 2 ft. .MON NIGHT...SE winds 5 to 10 kt. Waves 1 to 2 ft. Winds and waves may be higher in and near tstms. $$ ANZ340-140715- Peconic and Gardiners Bays- 215 PM EDT Wed Aug 13 2025 .TONIGHT...SW winds 5 to 10 kt. Waves 1 ft or less. Chance of showers and slight chance of tstms. Patchy fog after midnight with vsby 1 to 3 nm. .THU...S winds around 5 kt. Waves 1 ft or less. Patchy fog in the morning. Chance of showers and slight chance of tstms in the morning, then chance of showers and tstms in the afternoon. Vsby 1 to 3 nm in the morning. .THU NIGHT...E winds around 5 kt, becoming N after midnight. Waves 1 ft or less. Chance of showers and tstms, mainly in the evening. .FRI...NE winds 5 to 10 kt, becoming E in the afternoon. Waves 1 ft or less. .FRI NIGHT...E winds 5 to 10 kt. Waves 1 ft or less. .SAT...E winds around 5 kt, becoming SE in the afternoon. Waves 1 ft or less. .SAT NIGHT...S winds around 5 kt. Waves 1 ft or less. .SUN...SW winds 5 to 10 kt. Waves 1 ft or less. .SUN NIGHT...W winds 5 to 10 kt. Waves 1 ft or less. .MON...NE winds 5 to 10 kt. Waves 1 ft or less. .MON NIGHT...SE winds 5 to 10 kt. Waves 1 ft or less. Winds and waves may be higher in and near tstms. $$ ANZ345-140715- South Shore Bays from Jones Inlet through Shinnecock Bay- 215 PM EDT Wed Aug 13 2025 .TONIGHT...S winds 5 to 10 kt. Waves 1 ft or less. Chance of showers and slight chance of tstms. Patchy fog after midnight with vsby 1 to 3 nm. .THU...S winds around 5 kt. Waves 1 ft or less. Patchy fog in the morning. Chance of showers and slight chance of tstms in the morning, then chance of showers and tstms in the afternoon. Vsby 1 to 3 nm in the morning. .THU NIGHT...S winds around 5 kt, becoming N after midnight. Waves 1 ft or less. Chance of showers and tstms, mainly in the evening. .FRI...NE winds 5 to 10 kt, becoming E in the afternoon. Waves 1 ft or less. .FRI NIGHT...E winds 5 to 10 kt. Waves 1 ft or less. .SAT...E winds 5 to 10 kt, becoming SE in the afternoon. Waves 1 ft or less. .SAT NIGHT...S winds around 5 kt. Waves 1 ft or less. .SUN...SW winds 5 to 10 kt. Waves 1 ft or less. .SUN NIGHT...SW winds 5 to 10 kt. Waves 1 ft or less. .MON...NE winds around 10 kt. Waves 1 ft or less. .MON NIGHT...SE winds 5 to 10 kt. Waves 1 ft or less. Winds and waves may be higher in and near tstms. $$