


Coastal Waters Forecast
Issued by NWS Upton, NY
Issued by NWS Upton, NY
054 FZUS51 KOKX 191842 CWFOKX Coastal Waters Forecast National Weather Service New York NY 242 PM EDT Tue Aug 19 2025 Montauk Point NY to Sandy Hook NJ out 20 nm offshore, including Long Island Sound, the Long Island Bays, and New York Harbor ANZ300-200715- 242 PM EDT Tue Aug 19 2025 .Synopsis for the Long Island and Connecticut coastal waters... A frontal system impacts the waters Wed. Hurricane Erin will pass well to the southeast Thursday into Thursday night. High pressure will return by late week, then a cold front will approach from the west late this weekend. Please refer to National Hurricane Center forecasts for further information on Erin. $$ ANZ350-200715- Moriches Inlet NY to Montauk Point NY out 20 nm- 242 PM EDT Tue Aug 19 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE WEDNESDAY NIGHT... ...GALE WATCH IN EFFECT FROM THURSDAY MORNING THROUGH LATE THURSDAY NIGHT... .TONIGHT...E winds around 10 kt. Seas 5 to 6 ft, occasionally to 8 ft. Wave Detail: SE 5 ft at 15 seconds and E 3 ft at 5 seconds. Rough conditions around inlets. .WED...E winds 10 to 15 kt with gusts up to 20 kt. Seas 5 to 7 ft, occasionally to 9 ft. Wave Detail: SE 6 ft at 14 seconds and E 4 ft at 5 seconds. Rough conditions around inlets. Slight chance of showers in the morning, then chance of showers in the afternoon with vsby 1 to 3 nm. .WED NIGHT...E winds 15 to 20 kt with gusts up to 25 kt. Seas 6 to 7 ft, occasionally to 9 ft, building to 7 to 9 ft, occasionally to 11 ft after midnight. Wave Detail: E 5 ft at 5 seconds and S 5 ft at 15 seconds, becoming E 6 ft at 6 seconds and S 6 ft at 16 seconds. Rough conditions around inlets. Showers likely. Chance of tstms, mainly in the evening. Vsby 1 to 3 nm. .THU...NE winds 25 to 30 kt with gusts up to 40 kt. Seas 8 to 11 ft, occasionally to 14 ft, building to 11 to 15 ft, occasionally to 19 ft in the afternoon. Wave Detail: E 8 ft at 7 seconds and S 7 ft at 16 seconds, becoming E 10 ft at 8 seconds and S 10 ft at 17 seconds. Chance of showers, mainly in the morning with vsby 1 to 3 nm. .THU NIGHT...NE winds 25 to 30 kt. Seas 13 to 16 ft, occasionally to 20 ft. Wave Detail: E 11 ft at 8 seconds and S 11 ft at 17 seconds. Slight chance of showers in the evening. .FRI...N winds 25 to 30 kt, becoming NE 15 to 20 kt in the afternoon. Seas 12 to 16 ft, occasionally to 20 ft, subsiding to 9 to 13 ft, occasionally to 17 ft in the afternoon. Wave Detail: E 11 ft at 9 seconds and SE 11 ft at 16 seconds, becoming SE 10 ft at 15 seconds and E 9 ft at 10 seconds. .FRI NIGHT...NE winds 10 to 15 kt with gusts up to 20 kt, becoming N after midnight. Seas 7 to 10 ft, occasionally to 13 ft. .SAT...W winds around 10 kt. Seas 5 to 8 ft, occasionally to 10 ft. .SAT NIGHT...S winds around 10 kt. Seas 4 to 6 ft, occasionally to 8 ft. .SUN...S winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 5 ft, occasionally to 6 ft. .SUN NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 5 ft, occasionally to 6 ft. Chance of showers. Winds and seas may be higher in and near tstms. $$ ANZ353-200715- Fire Island Inlet NY to Moriches Inlet NY out 20 nm- 242 PM EDT Tue Aug 19 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE WEDNESDAY NIGHT... ...GALE WATCH IN EFFECT FROM THURSDAY MORNING THROUGH LATE THURSDAY NIGHT... .TONIGHT...E winds around 10 kt. Seas 5 to 6 ft, occasionally to 8 ft. Wave Detail: SE 5 ft at 15 seconds and E 4 ft at 6 seconds. .WED...E winds 10 to 15 kt with gusts up to 20 kt. Seas 5 to 7 ft, occasionally to 9 ft. Wave Detail: SE 6 ft at 15 seconds. Rough conditions around inlets. Chance of showers. Chance of tstms in the afternoon. Vsby 1 to 3 nm. .WED NIGHT...E winds 15 to 20 kt with gusts up to 25 kt. Seas 6 to 7 ft, occasionally to 9 ft, building to 7 to 9 ft, occasionally to 11 ft after midnight. Wave Detail: SE 6 ft at 15 seconds and E 5 ft at 5 seconds, becoming S 7 ft at 16 seconds and E 6 ft at 6 seconds. Rough conditions around inlets. Showers likely with chance of tstms. Vsby 1 to 3 nm. .THU...NE winds 25 to 30 kt with gusts up to 40 kt. Seas 9 to 12 ft, occasionally to 15 ft, building to 11 to 15 ft, occasionally to 19 ft in the afternoon. Wave Detail: E 9 ft at 7 seconds and S 8 ft at 17 seconds, becoming S 11 ft at 17 seconds and E 10 ft at 8 seconds. Chance of showers and slight chance of tstms in the morning, then slight chance of showers in the afternoon. Vsby 1 to 3 nm in the morning. .THU NIGHT...NE winds 25 to 30 kt, diminishing to 20 to 25 kt after midnight. Seas 12 to 16 ft, occasionally to 20 ft. Wave Detail: S 12 ft at 17 seconds and E 11 ft at 9 seconds. Slight chance of showers in the evening. .FRI...N winds 20 to 25 kt, becoming NE 15 to 20 kt in the afternoon. Seas 10 to 14 ft, occasionally to 18 ft, subsiding to 9 to 12 ft, occasionally to 15 ft in the afternoon. Wave Detail: E 10 ft at 10 seconds and SE 9 ft at 15 seconds, becoming E 9 ft at 10 seconds and SE 9 ft at 14 seconds. .FRI NIGHT...NE winds 10 to 15 kt with gusts up to 20 kt, becoming NW after midnight. Seas 7 to 10 ft, occasionally to 13 ft. .SAT...W winds around 10 kt. Seas 5 to 8 ft, occasionally to 10 ft. .SAT NIGHT...S winds around 10 kt. Seas 4 to 6 ft, occasionally to 8 ft. .SUN...S winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 5 ft, occasionally to 6 ft. Chance of showers. .SUN NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 5 ft, occasionally to 6 ft. Chance of showers. Winds and seas may be higher in and near tstms. $$ ANZ355-200715- Sandy Hook NJ to Fire Island Inlet NY out 20 nm- 242 PM EDT Tue Aug 19 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE WEDNESDAY NIGHT... ...GALE WATCH IN EFFECT FROM THURSDAY MORNING THROUGH LATE THURSDAY NIGHT... .TONIGHT...E winds 10 to 15 kt. Seas 4 to 5 ft, occasionally to 6 ft. Wave Detail: E 4 ft at 6 seconds and SE 4 ft at 15 seconds. Rough conditions around inlets. .WED...E winds 10 to 15 kt. Seas 4 to 6 ft, occasionally to 8 ft. Wave Detail: E 4 ft at 5 seconds and SE 4 ft at 15 seconds. Rough conditions around inlets. Chance of showers. Chance of tstms in the afternoon. Vsby 1 to 3 nm. .WED NIGHT...E winds 15 to 20 kt with gusts up to 25 kt. Seas 5 to 6 ft, occasionally to 8 ft, building to 5 to 8 ft, occasionally to 10 ft after midnight. Wave Detail: SE 5 ft at 15 seconds and E 4 ft at 5 seconds, becoming SE 6 ft at 16 seconds and E 5 ft at 6 seconds. Rough conditions around inlets. Showers likely with chance of tstms. Vsby 1 to 3 nm. .THU...NE winds 20 to 25 kt with gusts up to 35 kt. Seas 7 to 10 ft, occasionally to 13 ft, building to 9 to 12 ft, occasionally to 15 ft in the afternoon. Wave Detail: E 7 ft at 7 seconds and S 6 ft at 16 seconds, becoming E 9 ft at 8 seconds and S 9 ft at 17 seconds. Chance of showers and slight chance of tstms in the morning, then slight chance of showers in the afternoon. .THU NIGHT...NE winds 20 to 25 kt with gusts up to 35 kt. Seas 10 to 14 ft, occasionally to 18 ft. Wave Detail: S 10 ft at 17 seconds and E 9 ft at 9 seconds. Slight chance of showers in the evening. .FRI...N winds 15 to 20 kt, becoming NE 10 to 15 kt in the afternoon. Seas 8 to 11 ft, occasionally to 14 ft. Wave Detail: SE 9 ft at 14 seconds and E 8 ft at 10 seconds. .FRI NIGHT...E winds around 10 kt, becoming W after midnight. Seas 6 to 9 ft, occasionally to 11 ft. .SAT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 5 to 7 ft, occasionally to 9 ft. .SAT NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 6 ft, occasionally to 8 ft. .SUN...S winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 5 ft, occasionally to 6 ft. Chance of showers. .SUN NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft, occasionally to 5 ft. Chance of showers. Winds and seas may be higher in and near tstms. $$ ANZ332-200715- Long Island Sound East of the Mouth of the Connecticut River- 242 PM EDT Tue Aug 19 2025 .TONIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 2 ft at 5 seconds. .WED...E winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 2 to 4 ft, occasionally to 5 ft. Wave Detail: E 3 ft at 4 seconds. Chance of showers in the morning, then chance of showers and slight chance of tstms in the afternoon with vsby 1 to 3 nm. .WED NIGHT...E winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft, occasionally to 6 ft. Wave Detail: E 4 ft at 6 seconds and SE 2 ft at 14 seconds. Showers likely with slight chance of tstms in the evening, then chance of showers and slight chance of tstms after midnight. Vsby 1 to 3 nm. .THU...NE winds 15 to 20 kt, increasing to 20 to 25 kt in the afternoon. Seas 4 to 6 ft, occasionally to 8 ft. Wave Detail: E 5 ft at 6 seconds and SE 2 ft at 15 seconds. Chance of showers, mainly in the morning. .THU NIGHT...NE winds 15 to 20 kt with gusts up to 30 kt. Seas 5 to 7 ft, occasionally to 9 ft. Wave Detail: NE 6 ft at 8 seconds and E 3 ft at 17 seconds. .FRI...N winds 15 to 20 kt, becoming NE 10 to 15 kt in the afternoon. Seas 5 to 7 ft, occasionally to 9 ft. Wave Detail: NE 6 ft at 8 seconds and SE 4 ft at 17 seconds. .FRI NIGHT...NE winds 10 to 15 kt with gusts up to 20 kt, becoming NW 5 to 10 kt after midnight. Seas 3 to 5 ft, occasionally to 6 ft. .SAT...W winds 5 to 10 kt. Seas 2 to 4 ft, occasionally to 5 ft. .SAT NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. .SUN...S winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 3 ft. .SUN NIGHT...S winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 3 ft. Chance of showers. Winds and seas may be higher in and near tstms. $$ ANZ331-200715- Long Island Sound East of New Haven CT/Port Jefferson NY to the Mouth of the Connecticut River- 242 PM EDT Tue Aug 19 2025 .TONIGHT...SE winds 5 to 10 kt. Seas 1 ft or less. Wave Detail: E 1 ft at 3 seconds. .WED...E winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 1 ft or less, then around 2 ft in the afternoon. Wave Detail: E 1 ft at 3 seconds. Chance of showers in the morning, then showers likely with slight chance of tstms in the afternoon with vsby 1 to 3 nm. .WED NIGHT...E winds 10 to 15 kt, becoming NE 15 to 20 kt after midnight. Seas around 2 ft. Wave Detail: E 2 ft at 3 seconds. Showers likely. Chance of tstms, mainly in the evening. Vsby 1 to 3 nm. .THU...NE winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at 4 seconds. Chance of showers, mainly in the morning. .THU NIGHT...NE winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 3 ft. Wave Detail: NE 3 ft at 4 seconds. .FRI...N winds 15 to 20 kt, becoming NE 10 to 15 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: NE 3 ft at 4 seconds. .FRI NIGHT...NE winds around 10 kt, becoming NW after midnight. Seas around 2 ft in the evening, then 1 ft or less. .SAT...SW winds 5 to 10 kt. Seas 1 ft or less. .SAT NIGHT...S winds 5 to 10 kt. Seas 1 ft or less. .SUN...S winds 5 to 10 kt with gusts up to 20 kt. Seas 1 ft or less. Chance of showers. .SUN NIGHT...S winds 5 to 10 kt with gusts up to 20 kt. Seas 1 ft or less. Chance of showers. Winds and seas may be higher in and near tstms. $$ ANZ335-200715- Long Island Sound West of New Haven CT/Port Jefferson NY- 242 PM EDT Tue Aug 19 2025 .TONIGHT...SE winds 5 to 10 kt. Seas 1 ft or less. Wave Detail: E 1 ft at 3 seconds. .WED...E winds 10 to 15 kt. Seas 1 ft or less, then around 2 ft in the afternoon. Wave Detail: E 1 ft at 3 seconds. Chance of showers in the morning, then chance of showers and tstms in the afternoon with vsby 1 to 3 nm. .WED NIGHT...E winds 10 to 15 kt, becoming NE 15 to 20 kt after midnight. Seas 2 to 3 ft. Wave Detail: E 2 ft at 3 seconds. Showers likely with chance of tstms in the evening, then chance of showers and slight chance of tstms after midnight. Vsby 1 to 3 nm. .THU...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. Chance of showers, mainly in the morning. .THU NIGHT...NE winds 15 to 20 kt, becoming N 10 to 15 kt after midnight. Seas 2 to 3 ft. Wave Detail: NE 3 ft at 4 seconds. .FRI...N winds 15 to 20 kt, becoming NE 10 to 15 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: NE 2 ft at 4 seconds. .FRI NIGHT...E winds 5 to 10 kt, becoming SW after midnight. Seas 1 ft or less. .SAT...SW winds 5 to 10 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...S winds 5 to 10 kt. Seas 1 ft or less. Chance of showers. Winds and seas may be higher in and near tstms. $$ ANZ338-200715- New York Harbor- 242 PM EDT Tue Aug 19 2025 .TONIGHT...SE winds 10 to 15 kt. Waves 2 to 3 ft. Wave Detail: E 2 ft at 3 seconds. .WED...E winds 10 to 15 kt. Waves 2 to 3 ft. Wave Detail: E 2 ft at 3 seconds. Chance of showers in the morning, then showers likely with chance of tstms in the afternoon. .WED NIGHT...E winds 10 to 15 kt, becoming NE 15 to 20 kt after midnight. Waves 2 to 3 ft. Wave Detail: E 2 ft at 3 seconds. Showers likely with chance of tstms in the evening, then chance of showers and slight chance of tstms after midnight. Vsby 1 to 3 nm. .THU...NE winds 15 to 20 kt with gusts up to 25 kt. Waves 2 to 4 ft, occasionally to 5 ft. Wave Detail: NE 3 ft at 4 seconds. Chance of showers and slight chance of tstms in the morning, then slight chance of showers in the afternoon. .THU NIGHT...NE winds 15 to 20 kt, becoming N 10 to 15 kt after midnight. Waves 2 to 4 ft, occasionally to 5 ft. Wave Detail: NE 3 ft at 4 seconds. Slight chance of showers in the evening. .FRI...N winds 15 to 20 kt, becoming NE around 10 kt in the afternoon. Waves 2 to 4 ft, occasionally to 5 ft. Wave Detail: NE 3 ft at 4 seconds. .FRI NIGHT...SE winds 5 to 10 kt, becoming SW after midnight. Waves 2 to 4 ft, occasionally to 5 ft. .SAT...S winds 10 to 15 kt with gusts up to 20 kt. Waves 2 to 4 ft, occasionally to 5 ft. .SAT NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Waves 2 to 3 ft. .SUN...S winds 10 to 15 kt with gusts up to 20 kt. Waves 2 to 3 ft. Chance of showers. .SUN NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Waves 1 to 2 ft. Chance of showers. Winds and waves may be higher in and near tstms. $$ ANZ340-200715- Peconic and Gardiners Bays- 242 PM EDT Tue Aug 19 2025 .TONIGHT...E winds 5 to 10 kt. Waves 1 ft or less. .WED...E winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt in the afternoon. Waves 1 to 2 ft. Chance of showers in the morning, then showers likely with slight chance of tstms in the afternoon with vsby 1 to 3 nm. .WED NIGHT...E winds 10 to 15 kt with gusts up to 20 kt. Waves around 2 ft. Showers likely. Chance of tstms, mainly in the evening. Vsby 1 to 3 nm. .THU...NE winds 15 to 20 kt with gusts up to 30 kt. Waves 2 to 3 ft. Chance of showers, mainly in the morning with vsby 1 to 3 nm. .THU NIGHT...NE winds around 20 kt with gusts up to 30 kt. Waves 2 to 4 ft. .FRI...N winds 15 to 20 kt, becoming NE 10 to 15 kt in the afternoon. Waves 2 to 4 ft. .FRI NIGHT...NE winds 5 to 10 kt, becoming NW after midnight. Waves 1 to 2 ft. .SAT...W winds 5 to 10 kt. Waves 1 to 2 ft. .SAT NIGHT...S winds 5 to 10 kt. Waves 1 to 2 ft. .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. Winds and waves may be higher in and near tstms. $$ ANZ345-200715- South Shore Bays from Jones Inlet through Shinnecock Bay- 242 PM EDT Tue Aug 19 2025 .TONIGHT...E winds 5 to 10 kt. Waves 1 ft or less. Rough conditions around inlets. .WED...E winds 10 to 15 kt. Waves 1 ft or less. Rough conditions around inlets. Chance of showers in the morning, then showers likely with chance of tstms in the afternoon with vsby 1 to 3 nm. .WED NIGHT...E winds 10 to 15 kt, increasing to 15 to 20 kt after midnight. Waves 1 ft or less. Rough conditions around inlets. Showers likely with chance of tstms. Vsby 1 to 3 nm. .THU...NE winds 15 to 20 kt with gusts up to 30 kt. Waves 1 ft or less, then around 2 ft in the afternoon. Slight chance of showers and tstms in the morning, then slight chance of showers in the afternoon. Vsby 1 to 3 nm in the morning. .THU NIGHT...NE winds 15 to 20 kt with gusts up to 30 kt. Waves around 2 ft in the evening, then 1 ft or less. .FRI...N winds 15 to 20 kt, becoming NE 10 to 15 kt in the afternoon. Waves 1 ft or less. .FRI NIGHT...NE winds 5 to 10 kt, becoming NW after midnight. Waves 1 ft or less. .SAT...SW winds 5 to 10 kt. Waves 1 ft or less. .SAT NIGHT...S winds 5 to 10 kt. Waves 1 ft or less. .SUN...S winds 10 to 15 kt with gusts up to 20 kt. Waves 1 ft or less. Chance of showers. .SUN NIGHT...S winds 5 to 10 kt with gusts up to 20 kt. Waves 1 ft or less. Chance of showers. Winds and waves may be higher in and near tstms. $$