Coastal Waters Forecast
Issued by NWS Upton, NY
Issued by NWS Upton, NY
582 FZUS51 KOKX 171839 CWFOKX Coastal Waters Forecast National Weather Service New York NY 239 PM EDT Fri Oct 17 2025 Montauk Point NY to Sandy Hook NJ out 20 nm offshore, including Long Island Sound, the Long Island Bays, and New York Harbor ANZ300-180745- 239 PM EDT Fri Oct 17 2025 .Synopsis for the Long Island and Connecticut coastal waters... High pressure will gradually build in from the west through Saturday. A fast moving frontal system passes through the area Sunday night into Monday. Weak high pressure then briefly follows Monday night into the first half of Tuesday. Another frontal system approaches and moves through late Tuesday into Wednesday, possibly followed by a series of weaker fronts late in the week. $$ ANZ350-180745- Moriches Inlet NY to Montauk Point NY out 20 nm- 239 PM EDT Fri Oct 17 2025 .TONIGHT...N winds 10 to 15 kt. Seas 3 to 5 ft, occasionally to 6 ft. Wave Detail: E 4 ft at 11 seconds. .SAT...N winds 5 to 10 kt, becoming NW in the afternoon. Seas 3 to 5 ft, occasionally to 6 ft. Wave Detail: E 4 ft at 11 seconds. .SAT NIGHT...SW winds 5 to 10 kt. Seas 3 to 4 ft, occasionally to 5 ft. Wave Detail: E 4 ft at 11 seconds. .SUN...S winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Seas 3 to 4 ft, occasionally to 5 ft, building to 4 to 6 ft, occasionally to 8 ft in the afternoon. Wave Detail: E 4 ft at 11 seconds and SW 3 ft at 3 seconds, becoming S 4 ft at 5 seconds and E 3 ft at 11 seconds. .SUN NIGHT...S winds 20 to 25 kt with gusts up to 30 kt. Seas 5 to 7 ft, occasionally to 9 ft, building to 6 to 9 ft, occasionally to 11 ft after midnight. Wave Detail: S 6 ft at 6 seconds and E 3 ft at 11 seconds, becoming S 8 ft at 7 seconds and E 3 ft at 11 seconds. Slight chance of showers in the evening, then showers likely after midnight with vsby 1 to 3 nm. .MON...SW winds 20 to 25 kt with gusts up to 30 kt. Seas 7 to 9 ft, occasionally to 11 ft. Wave Detail: S 9 ft at 7 seconds and E 2 ft at 10 seconds. Showers likely. Vsby 1 to 3 nm. .MON NIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Seas 5 to 8 ft, occasionally to 10 ft. Chance of showers. .TUE...SW winds 15 to 20 kt. Seas 4 to 5 ft, occasionally to 6 ft. .TUE NIGHT...SW winds 15 to 20 kt. Seas 4 to 5 ft, occasionally to 6 ft. Chance of showers. .WED...W winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 5 ft, occasionally to 6 ft. Chance of showers. .WED NIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft, occasionally to 6 ft. $$ ANZ353-180745- Fire Island Inlet NY to Moriches Inlet NY out 20 nm- 239 PM EDT Fri Oct 17 2025 .TONIGHT...N winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: NE 3 ft at 8 seconds and NW 2 ft at 3 seconds. .SAT...N winds 5 to 10 kt, becoming W in the afternoon. Seas 2 to 4 ft, occasionally to 5 ft. Wave Detail: E 4 ft at 12 seconds. .SAT NIGHT...SW winds 5 to 10 kt. Seas 3 to 4 ft, occasionally to 5 ft. Wave Detail: E 4 ft at 11 seconds. .SUN...S winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Seas 4 to 6 ft, occasionally to 8 ft. Wave Detail: S 5 ft at 5 seconds and E 4 ft at 11 seconds. .SUN NIGHT...S winds 20 to 25 kt, increasing to 25 to 30 kt after midnight. Seas 6 to 7 ft, occasionally to 9 ft, building to 7 to 9 ft, occasionally to 11 ft after midnight. Wave Detail: S 7 ft at 6 seconds and E 3 ft at 11 seconds, becoming S 8 ft at 7 seconds and E 3 ft at 11 seconds. Chance of showers in the evening, then showers after midnight with vsby 1 to 3 nm. .MON...SW winds 25 to 30 kt, becoming W 20 to 25 kt in the afternoon. Seas 6 to 9 ft, occasionally to 11 ft. Wave Detail: S 9 ft at 7 seconds and E 2 ft at 11 seconds. Showers, mainly in the morning with vsby 1 to 3 nm. .MON NIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Seas 5 to 7 ft, occasionally to 9 ft. Chance of showers in the evening. .TUE...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 5 ft, occasionally to 6 ft. .TUE NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 5 ft, occasionally to 6 ft. Chance of showers. .WED...W winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 5 ft, occasionally to 6 ft. Chance of showers. .WED NIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft, occasionally to 6 ft. $$ ANZ355-180745- Sandy Hook NJ to Fire Island Inlet NY out 20 nm- 239 PM EDT Fri Oct 17 2025 .TONIGHT...N winds around 10 kt. Seas 2 to 3 ft. Wave Detail: NW 2 ft at 3 seconds and E 2 ft at 8 seconds. .SAT...N winds 5 to 10 kt, becoming W in the afternoon. Seas 2 to 4 ft, occasionally to 5 ft. Wave Detail: E 3 ft at 12 seconds and NW 1 ft at 2 seconds. .SAT NIGHT...S winds 5 to 10 kt. Seas 2 to 4 ft, occasionally to 5 ft. Wave Detail: E 3 ft at 11 seconds. .SUN...S winds 10 to 15 kt with gusts up to 20 kt, increasing to 15 to 20 kt with gusts up to 30 kt in the afternoon. Seas 3 to 4 ft, occasionally to 5 ft, building to 4 to 6 ft, occasionally to 8 ft in the afternoon. Wave Detail: S 3 ft at 4 seconds and E 3 ft at 11 seconds, becoming S 5 ft at 5 seconds and E 3 ft at 11 seconds. .SUN NIGHT...S winds 20 to 25 kt with gusts up to 30 kt. Seas 5 to 7 ft, occasionally to 9 ft, building to 7 to 8 ft, occasionally to 10 ft after midnight. Wave Detail: S 6 ft at 6 seconds and E 3 ft at 11 seconds, becoming S 8 ft at 7 seconds and E 3 ft at 11 seconds. Chance of showers in the evening, then showers after midnight with vsby 1 to 3 nm. .MON...SW winds 20 to 25 kt with gusts up to 30 kt. Seas 5 to 8 ft, occasionally to 10 ft. Wave Detail: S 8 ft at 7 seconds and E 2 ft at 11 seconds. Showers, mainly in the morning with vsby 1 to 3 nm. .MON NIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 6 ft, occasionally to 8 ft. Chance of showers in the evening. .TUE...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 4 ft, occasionally to 5 ft. .TUE NIGHT...SW winds 15 to 20 kt. Seas 3 to 4 ft, occasionally to 5 ft. Chance of showers. .WED...W winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 4 ft, occasionally to 5 ft. Chance of showers. .WED NIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft, occasionally to 5 ft. $$ ANZ332-180745- Long Island Sound East of the Mouth of the Connecticut River- 239 PM EDT Fri Oct 17 2025 .TONIGHT...N winds 5 to 10 kt. Seas 1 ft or less. Wave Detail: NW 1 ft at 3 seconds and E 1 ft at 10 seconds. .SAT...N winds 5 to 10 kt, becoming W in the afternoon. Seas 1 ft or less. Wave Detail: NW 1 ft at 2 seconds and E 1 ft at 12 seconds. .SAT NIGHT...SW winds 5 to 10 kt. Seas 1 ft or less. Wave Detail: E 1 ft at 11 seconds. .SUN...S winds 5 to 10 kt, increasing to around 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 E 1 ft at 12 seconds. .SUN NIGHT...S winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to 5 ft, occasionally to 6 ft. Wave Detail: S 4 ft at 4 seconds and E 1 ft at 11 seconds. Slight chance of showers in the evening, then showers likely after midnight with vsby 1 to 3 nm. .MON...S winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft, occasionally to 6 ft. Wave Detail: S 4 ft at 4 seconds. Showers likely. Vsby 1 to 3 nm. .MON NIGHT...W winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Seas 2 to 4 ft, occasionally to 5 ft. Chance of showers. .TUE...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .TUE NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. Showers likely. .WED...W winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. Chance of showers. .WED NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. $$ ANZ331-180745- Long Island Sound East of New Haven CT/Port Jefferson NY to the Mouth of the Connecticut River- 239 PM EDT Fri Oct 17 2025 .TONIGHT...N winds 5 to 10 kt. Seas around 2 ft this evening, then 1 ft or less. Wave Detail: NW 1 ft at 2 seconds. .SAT...N winds 5 to 10 kt, becoming W in the afternoon. Seas 1 ft or less. Wave Detail: N 1 ft at 2 seconds. .SAT NIGHT...SW winds around 5 kt, becoming S after midnight. Seas 1 ft or less. .SUN...S winds 5 to 10 kt, increasing to 15 to 20 kt in the afternoon. Seas 1 ft or less, then around 2 ft in the afternoon. Wave Detail: S 1 ft at 2 seconds, becoming S 2 ft at 3 seconds. .SUN NIGHT...S winds 15 to 20 kt, increasing to 20 to 25 kt after midnight. Seas 2 to 4 ft, occasionally to 5 ft. Wave Detail: S 3 ft at 3 seconds. Chance of showers in the evening, then showers after midnight with vsby 1 to 3 nm. .MON...S winds 20 to 25 kt, becoming SW 15 to 20 kt in the afternoon. Seas 2 to 4 ft, occasionally to 5 ft. Wave Detail: S 3 ft at 4 seconds. Showers, mainly in the morning with vsby 1 to 3 nm. .MON NIGHT...W winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Seas 2 to 3 ft. Chance of showers. .TUE...SW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. .TUE NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. Chance of showers. .WED...W winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. Chance of showers. .WED NIGHT...W winds 15 to 20 kt. Seas 2 to 3 ft. $$ ANZ335-180745- Long Island Sound West of New Haven CT/Port Jefferson NY- 239 PM EDT Fri Oct 17 2025 .TONIGHT...N winds 5 to 10 kt. Seas around 2 ft this evening, then 1 ft or less. Wave Detail: NW 1 ft at 2 seconds. .SAT...N winds 5 to 10 kt, becoming SW in the afternoon. 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, increasing to 15 to 20 kt with gusts up to 25 kt in the afternoon. Seas 1 ft or less, then around 2 ft in the afternoon. Wave Detail: S 1 ft at 2 seconds, becoming S 2 ft at 3 seconds. .SUN NIGHT...S winds 20 to 25 kt. Seas 2 to 4 ft, occasionally to 5 ft. Wave Detail: S 3 ft at 3 seconds. Chance of showers in the evening, then showers after midnight with vsby 1 to 3 nm. .MON...S winds 20 to 25 kt, becoming SW 15 to 20 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: S 3 ft at 3 seconds. Showers, mainly in the morning with vsby 1 to 3 nm. .MON NIGHT...W winds 10 to 15 kt. Seas 2 to 3 ft. Chance of showers in the evening. .TUE...SW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. .TUE NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 1 ft or less. Chance of showers. .WED...W winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. Chance of showers. .WED NIGHT...W winds 15 to 20 kt. Seas around 2 ft. $$ ANZ338-180745- New York Harbor- 239 PM EDT Fri Oct 17 2025 .TONIGHT...N winds 5 to 10 kt. Waves 1 ft or less. .SAT...N winds around 5 kt, becoming SE in the afternoon. Waves 1 ft or less. .SAT NIGHT...S winds 5 to 10 kt. Waves 1 ft or less. .SUN...S winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Waves 1 to 2 ft, building to 2 to 3 ft in the afternoon. Wave Detail: SE 2 ft at 2 seconds. .SUN NIGHT...S winds 20 to 25 kt with gusts up to 30 kt. Waves 2 to 4 ft, occasionally to 5 ft. Wave Detail: S 3 ft at 3 seconds. Chance of showers in the evening, then showers after midnight. Vsby 1 to 3 nm. .MON...SW winds 20 to 25 kt, becoming W 15 to 20 kt in the afternoon. Waves 2 to 4 ft, occasionally to 5 ft. Wave Detail: SW 3 ft at 2 seconds. Showers, mainly in the morning with vsby 1 to 3 nm. .MON NIGHT...W winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Waves 2 to 3 ft. Chance of showers in the evening. .TUE...SW winds 10 to 15 kt with gusts up to 20 kt. Waves around 2 ft. .TUE NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Waves 1 to 2 ft. Chance of showers. .WED...W winds 10 to 15 kt with gusts up to 20 kt. Waves around 2 ft. .WED NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Waves around 2 ft. $$ ANZ340-180745- Peconic and Gardiners Bays- 239 PM EDT Fri Oct 17 2025 .TONIGHT...N winds 5 to 10 kt. Waves 1 ft or less. .SAT...N winds around 5 kt, becoming NW around 5 kt in the afternoon. Waves 1 ft or less. .SAT NIGHT...SW winds around 5 kt. Waves 1 ft or less. .SUN...S 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, then 1 to 2 ft in the afternoon. .SUN NIGHT...S winds 15 to 20 kt with gusts up to 25 kt. Waves around 2 ft. Slight chance of showers in the evening, then showers after midnight with vsby 1 to 3 nm. .MON...SW winds 15 to 20 kt with gusts up to 25 kt. Waves around 2 ft. Showers likely. Vsby 1 to 3 nm in the morning. .MON NIGHT...W winds 10 to 15 kt. Waves around 2 ft in the evening, then 1 ft or less. Chance of showers. .TUE...SW winds 10 to 15 kt with gusts up to 20 kt. Waves 1 ft or less. .TUE NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Waves 1 ft or less. Showers likely. .WED...W winds 10 to 15 kt with gusts up to 20 kt. Waves 1 ft or less. Chance of showers. .WED NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Waves 1 ft or less. $$ ANZ345-180745- South Shore Bays from Jones Inlet through Shinnecock Bay- 239 PM EDT Fri Oct 17 2025 .TONIGHT...N winds 5 to 10 kt. Waves 1 ft or less. .SAT...N winds around 5 kt, becoming W in the afternoon. Waves 1 ft or less. .SAT NIGHT...SW winds 5 to 10 kt. Waves 1 ft or less. .SUN...S winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Waves 1 ft or less. .SUN NIGHT...S winds 20 to 25 kt with gusts up to 30 kt. Waves around 2 ft. Chance of showers in the evening, then showers after midnight with vsby 1 to 3 nm. .MON...SW winds 20 to 25 kt, becoming W 15 to 20 kt in the afternoon. Waves around 2 ft. Showers, mainly in the morning with vsby 1 to 3 nm. .MON NIGHT...W winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Waves 1 ft or less. Chance of showers in the evening. .TUE...SW winds 10 to 15 kt with gusts up to 20 kt. Waves 1 ft or less. .TUE NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Waves 1 ft or less. Chance of showers. .WED...W winds 10 to 15 kt with gusts up to 20 kt. Waves 1 ft or less. Chance of showers. .WED NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Waves 1 ft or less. $$