Coastal Waters Forecast
Issued by NWS Upton, NY
Issued by NWS Upton, NY
389 FZUS51 KOKX 151832 CWFOKX Coastal Waters Forecast National Weather Service New York NY 232 PM EDT Sat Aug 15 2026 Montauk Point NY to Sandy Hook NJ out 60 nm offshore, including Long Island Sound, the Long Island Bays, and New York Harbor ANZ300-160800- 232 PM EDT Sat Aug 15 2026 .Synopsis for the Long Island and Connecticut coastal waters... High pressure remains in control through tonight before gradually moving east on Sunday. Low pressure approaches on Sunday and slowly passes through Sunday night into Monday. A cold front follows Monday night with high pressure returning through Wednesday. $$ ANZ350-160800- Moriches Inlet NY to Montauk Point NY out 20 NM- 232 PM EDT Sat Aug 15 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM SUNDAY EVENING THROUGH MONDAY AFTERNOON... .TONIGHT...SW winds around 5 kt, becoming NW after midnight. Seas around 2 ft this evening, then 1 ft or less. Wave Detail: E 1 ft at 3 seconds and S 1 ft at 6 seconds. .SUN...NE winds around 5 kt, becoming S with gusts up to 20 kt in the afternoon. Seas 1 ft or less, then around 2 ft in the afternoon. Wave Detail: S 1 ft at 6 seconds and SE 1 ft at 9 seconds, becoming S 2 ft at 6 seconds and SE 1 ft at 9 seconds. .SUN NIGHT...S winds 10 to 15 kt with gusts up to 20 kt, increasing to 20 to 25 kt with gusts up to 30 kt after midnight. Seas 2 to 3 ft, building to 3 to 5 ft, occasionally to 6 ft after midnight. Wave Detail: S 3 ft at 4 seconds and SE 1 ft at 9 seconds, becoming S 5 ft at 5 seconds and SE 1 ft at 9 seconds. Slight chance of showers in the evening, then showers likely after midnight. .MON...S winds 20 to 25 kt, becoming SW 10 to 15 kt in the afternoon. Seas 4 to 6 ft, occasionally to 8 ft. Wave Detail: S 6 ft at 6 seconds. Showers likely in the morning, then showers likely with slight chance of tstms in the afternoon. .MON NIGHT...NW winds 5 to 10 kt. Seas 3 to 4 ft, occasionally to 5 ft. Wave Detail: S 4 ft at 6 seconds. Slight chance of showers in the evening. .TUE...N winds 5 to 10 kt, becoming W in the afternoon. Seas 3 to 4 ft, occasionally to 5 ft. Wave Detail: S 4 ft at 7 seconds. .TUE NIGHT...W winds around 5 kt. Seas around 3 ft. .WED...SW winds 5 to 10 kt. Seas 2 to 3 ft. .WED NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .THU...SW winds 5 to 10 kt. Seas 2 to 3 ft. Chance of showers. .THU NIGHT...NW winds 5 to 10 kt. Seas around 2 ft. Winds and seas may be higher in and near tstms. $$ ANZ353-160800- Fire Island Inlet NY to Moriches Inlet NY out 20 NM- 232 PM EDT Sat Aug 15 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM SUNDAY EVENING THROUGH MONDAY AFTERNOON... .TONIGHT...S winds around 5 kt, becoming W around 5 kt after midnight. Seas around 2 ft. Wave Detail: E 1 ft at 3 seconds and SE 1 ft at 9 seconds. .SUN...E winds 5 to 10 kt, becoming S 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 1 ft or less, then 2 to 3 ft in the afternoon. Wave Detail: SE 1 ft at 5 seconds and SE 1 ft at 9 seconds, becoming S 2 ft at 6 seconds and E 1 ft at 3 seconds. .SUN NIGHT...S winds 15 to 20 kt, increasing to 20 to 25 kt after midnight. Seas 3 to 4 ft, occasionally to 5 ft, building to 4 to 6 ft, occasionally to 8 ft after midnight. Wave Detail: S 4 ft at 5 seconds and SE 1 ft at 9 seconds, becoming S 6 ft at 5 seconds and SE 1 ft at 9 seconds. Chance of showers in the evening, then showers likely after midnight. .MON...S winds 20 to 25 kt with gusts up to 30 kt, becoming W 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 4 to 6 ft, occasionally to 8 ft. Wave Detail: S 6 ft at 6 seconds. Showers. .MON NIGHT...NW winds 5 to 10 kt. Seas 3 to 4 ft, occasionally to 5 ft. Wave Detail: S 4 ft at 6 seconds. Slight chance of showers in the evening. .TUE...N winds 5 to 10 kt, becoming W in the afternoon. Seas around 3 ft. Wave Detail: S 3 ft at 7 seconds. .TUE NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. .WED...SW winds 10 to 15 kt. Seas 2 to 3 ft. .WED NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas around 3 ft. Chance of showers. .THU...W winds 10 to 15 kt. Seas 2 to 3 ft. Chance of showers. .THU NIGHT...NW winds 10 to 15 kt. Seas 2 to 3 ft. Chance of showers. $$ ANZ355-160800- Sandy Hook NJ to Fire Island Inlet NY out 20 NM- 232 PM EDT Sat Aug 15 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM SUNDAY AFTERNOON THROUGH MONDAY MORNING... .TONIGHT...S winds 5 to 10 kt, becoming SW after midnight. Seas around 2 ft. Wave Detail: E 1 ft at 4 seconds and SE 1 ft at 9 seconds. .SUN...SE winds 5 to 10 kt, becoming S 10 to 15 kt with gusts up to 25 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 4 seconds and SE 1 ft at 9 seconds. Slight chance of showers in the afternoon. .SUN NIGHT...S winds 15 to 20 kt, increasing to 20 to 25 kt after midnight. Seas 3 to 5 ft, occasionally to 6 ft. Wave Detail: S 5 ft at 5 seconds and SE 1 ft at 9 seconds. Chance of showers in the evening, then showers after midnight. .MON...SW winds 15 to 20 kt with gusts up to 25 kt, becoming W 10 to 15 kt in the afternoon. Seas 3 to 5 ft, occasionally to 6 ft. Wave Detail: S 5 ft at 6 seconds. Chance of showers and slight chance of tstms in the morning, then chance of showers in the afternoon. .MON NIGHT...NW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft at 6 seconds. Slight chance of showers in the evening. .TUE...N winds 5 to 10 kt, becoming W in the afternoon. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 7 seconds and NW 1 ft at 2 seconds. .TUE NIGHT...SW winds 5 to 10 kt, becoming W after midnight. Seas around 2 ft. .WED...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .WED NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .THU...W winds 5 to 10 kt. Seas 2 to 3 ft. Chance of showers. .THU NIGHT...NW winds 10 to 15 kt. Seas 2 to 3 ft. Chance of showers. Winds and seas may be higher in and near tstms. $$ ANZ332-160800- Long Island Sound East of the Mouth of the Connecticut River- 232 PM EDT Sat Aug 15 2026 .TONIGHT...W winds around 5 kt, becoming N around 5 kt after midnight. Seas 1 ft or less. .SUN...NE winds around 5 kt, becoming S in the afternoon. Seas 1 ft or less. Wave Detail: S 1 ft at 2 seconds. .SUN NIGHT...S winds 10 to 15 kt. Seas 1 ft or less, then around 2 ft after midnight. Wave Detail: S 1 ft at 2 seconds, becoming S 2 ft at 3 seconds. Slight chance of showers in the evening, then showers likely after midnight. .MON...S winds 15 to 20 kt, becoming SW 10 to 15 kt in the afternoon. Seas around 2 ft in the morning, then 1 ft or less. Wave Detail: S 2 ft at 3 seconds, becoming SW 1 ft at 3 seconds and SE 1 ft at 6 seconds. Showers likely. .MON NIGHT...NW winds around 5 kt. Seas 1 ft or less. Wave Detail: W 1 ft at 2 seconds and SE 1 ft at 7 seconds. Slight chance of showers in the evening. .TUE...N winds around 5 kt, becoming W in the afternoon. Seas 1 ft or less. Wave Detail: SE 1 ft at 8 seconds. .TUE NIGHT...W winds around 5 kt. Seas 1 ft or less. .WED...SW winds 5 to 10 kt. Seas 1 ft or less. .WED NIGHT...SW winds 5 to 10 kt. Seas 1 ft or less. .THU...SW winds 5 to 10 kt. Seas 1 ft or less. Chance of showers. .THU NIGHT...NW winds 5 to 10 kt. Seas 1 ft or less. $$ ANZ331-160800- Long Island Sound East of New Haven CT/Port Jefferson NY to the Mouth of the Connecticut River- 232 PM EDT Sat Aug 15 2026 .TONIGHT...W winds around 5 kt, becoming N after midnight. Seas 1 ft or less. .SUN...NE winds around 5 kt, becoming SE with gusts up to 20 kt in the afternoon. Seas 1 ft or less. Wave Detail: S 1 ft at 2 seconds. .SUN NIGHT...S winds 10 to 15 kt, increasing to 15 to 20 kt after midnight. Seas around 2 ft. Wave Detail: S 2 ft at 3 seconds. Slight chance of showers in the evening, then showers likely after midnight. .MON...S winds 10 to 15 kt, becoming W 5 to 10 kt in the afternoon. Seas around 2 ft in the morning, then 1 ft or less. Wave Detail: S 2 ft at 3 seconds, becoming SW 1 ft at 3 seconds. Showers. .MON NIGHT...N winds around 5 kt. Seas 1 ft or less. Slight chance of showers in the evening. .TUE...N winds around 5 kt, becoming W around 5 kt in the afternoon. Seas 1 ft or less. .TUE NIGHT...W winds around 5 kt. Seas 1 ft or less. .WED...SW winds 5 to 10 kt. Seas 1 ft or less. .WED NIGHT...SW winds 5 to 10 kt. Seas 1 ft or less. Chance of showers. .THU...W winds 5 to 10 kt. Seas 1 ft or less. Chance of showers. .THU NIGHT...NW winds 5 to 10 kt. Seas 1 ft or less. $$ ANZ335-160800- Long Island Sound West of New Haven CT/Port Jefferson NY- 232 PM EDT Sat Aug 15 2026 .TONIGHT...NW winds around 5 kt, becoming W late this evening, then becoming N after midnight. Seas 1 ft or less. .SUN...E winds around 5 kt, becoming SE 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 1 ft or less. Wave Detail: S 1 ft at 2 seconds. Slight chance of showers in the afternoon. .SUN NIGHT...S winds 10 to 15 kt, increasing to 15 to 20 kt after midnight. Seas around 2 ft. Wave Detail: S 2 ft at 3 seconds. Chance of showers in the evening, then showers likely after midnight. .MON...S winds 10 to 15 kt with gusts up to 20 kt, becoming W 5 to 10 kt in the afternoon. Seas around 2 ft. Wave Detail: S 1 ft at 2 seconds. Showers, mainly in the morning. .MON NIGHT...N winds 5 to 10 kt. Seas 1 ft or less. Slight chance of showers in the evening. .TUE...NW winds 5 to 10 kt. Seas 1 ft or less. .TUE NIGHT...NW winds around 5 kt. Seas 1 ft or less. .WED...SW winds 5 to 10 kt. Seas 1 ft or less. .WED NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Chance of showers. .THU...NW winds 5 to 10 kt. Seas 1 ft or less. Chance of showers. .THU NIGHT...N winds 5 to 10 kt. Seas 1 ft or less. $$ ANZ338-160800- New York Harbor- 232 PM EDT Sat Aug 15 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM SUNDAY AFTERNOON THROUGH LATE SUNDAY NIGHT... .TONIGHT...SE winds 5 to 10 kt, becoming SW after midnight. Waves 1 ft or less. .SUN...SE winds 5 to 10 kt, becoming S 10 to 15 kt with gusts up to 25 kt in the afternoon. Waves 1 ft or less, then around 2 ft in the afternoon. Wave Detail: S 1 ft at 2 seconds. Chance of showers in the afternoon. .SUN NIGHT...S winds 15 to 20 kt with gusts up to 25 kt. Waves 2 to 3 ft. Wave Detail: S 2 ft at 2 seconds. Showers likely in the evening, then showers and slight chance of tstms after midnight. .MON...SW winds 10 to 15 kt with gusts up to 20 kt, becoming NW 5 to 10 kt in the afternoon. Waves around 2 ft in the morning, then 1 ft or less. Wave Detail: SW 2 ft at 2 seconds. Showers in the morning, then chance of showers and slight chance of tstms in the afternoon. .MON NIGHT...NW winds 5 to 10 kt. Waves 1 ft or less. Slight chance of showers and tstms in the evening. .TUE...N winds 5 to 10 kt, becoming NW in the afternoon. Waves 1 ft or less. .TUE NIGHT...SW winds around 5 kt, becoming NW after midnight. Waves 1 ft or less. .WED...SW winds 5 to 10 kt with gusts up to 20 kt. Waves 1 ft or less. .WED NIGHT...SW winds 5 to 10 kt with gusts up to 20 kt. Waves around 2 ft. .THU...NW winds 5 to 10 kt. Waves 1 ft or less. Chance of showers. .THU NIGHT...N winds 10 to 15 kt. Waves around 2 ft. Winds and waves may be higher in and near tstms. $$ ANZ340-160800- Peconic and Gardiners Bays- 232 PM EDT Sat Aug 15 2026 .TONIGHT...W winds around 5 kt, becoming N after midnight. Waves 1 ft or less. .SUN...NE winds around 5 kt, becoming S in the afternoon. Waves 1 ft or less. .SUN NIGHT...S winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 25 kt after midnight. Waves 1 ft or less, then around 2 ft after midnight. Slight chance of showers in the evening, then showers likely after midnight. .MON...S winds 10 to 15 kt, becoming SW 5 to 10 kt in the afternoon. Gusts up to 25 kt. Waves around 2 ft in the morning, then 1 ft or less. Showers likely. .MON NIGHT...NW winds around 5 kt. Waves 1 ft or less. Slight chance of showers in the evening. .TUE...N winds around 5 kt, becoming W around 5 kt in the afternoon. Waves 1 ft or less. .TUE NIGHT...W winds around 5 kt. Waves 1 ft or less. .WED...SW winds 5 to 10 kt. Waves 1 ft or less. .WED NIGHT...SW winds 5 to 10 kt. Waves 1 ft or less. Chance of showers. .THU...W winds around 5 kt. Waves 1 ft or less. Chance of showers. .THU NIGHT...NW winds 5 to 10 kt. Waves 1 ft or less. $$ ANZ345-160800- South Shore Bays from Jones Inlet through Shinnecock Bay- 232 PM EDT Sat Aug 15 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM SUNDAY EVENING THROUGH MONDAY MORNING... .TONIGHT...S winds around 5 kt, becoming NW late. Waves 1 ft or less. .SUN...E winds 5 to 10 kt, becoming S 10 to 15 kt with gusts up to 20 kt in the afternoon. Waves 1 ft or less, then around 2 ft in the afternoon. .SUN NIGHT...S winds 10 to 15 kt, increasing to 15 to 20 kt after midnight. Waves around 2 ft. Chance of showers in the evening, then showers likely after midnight. .MON...S winds 15 to 20 kt, becoming W 10 to 15 kt in the afternoon. Waves around 2 ft. Showers. .MON NIGHT...NW winds 5 to 10 kt. Waves 1 ft or less. Slight chance of showers in the evening. .TUE...N winds 5 to 10 kt, becoming W in the afternoon. Waves 1 ft or less. .TUE NIGHT...W winds around 5 kt. Waves 1 ft or less. .WED...SW winds 5 to 10 kt with gusts up to 20 kt. Waves 1 ft or less. .WED NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Waves around 2 ft. Chance of showers. .THU...W winds 5 to 10 kt. Waves 1 ft or less. Chance of showers. .THU NIGHT...NW winds 5 to 10 kt. Waves 1 ft or less. $$ ANZ380-160800- Waters from Moriches Inlet NY to Montauk Point NY from 20 to 60 nm- 232 PM EDT Sat Aug 15 2026 .TONIGHT...SE winds around 5 kt, becoming W around 5 kt after midnight. Seas around 2 ft. Wave Detail: NE 1 ft at 4 seconds and S 1 ft at 6 seconds. .SUN...W winds around 5 kt, becoming S 10 to 15 kt in the afternoon. Seas around 2 ft. Wave Detail: S 2 ft at 6 seconds and NE 1 ft at 3 seconds. .SUN NIGHT...S winds 10 to 15 kt with gusts up to 20 kt, increasing to 15 to 20 kt with gusts up to 30 kt after midnight. Seas 2 to 3 ft, building to 3 to 5 ft, occasionally to 6 ft after midnight. Wave Detail: S 3 ft at 4 seconds and SE 1 ft at 9 seconds, becoming S 4 ft at 5 seconds and SE 1 ft at 9 seconds. Slight chance of showers in the evening, then chance of showers after midnight. .MON...S winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to 6 ft, occasionally to 8 ft. Wave Detail: S 5 ft at 6 seconds and SE 1 ft at 9 seconds. Slight chance of tstms. Showers likely. .MON NIGHT...W winds 5 to 10 kt with gusts up to 20 kt, becoming NW after midnight. Seas 4 to 5 ft, occasionally to 6 ft. Wave Detail: S 4 ft at 7 seconds. Slight chance of showers in the evening. .TUE...NW winds 5 to 10 kt. Seas 3 to 4 ft, occasionally to 5 ft. Wave Detail: S 4 ft at 7 seconds. .TUE NIGHT...W winds around 5 kt. Seas around 3 ft. .WED...SW winds 5 to 10 kt. Seas 2 to 3 ft. .WED NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .THU...SW winds around 10 kt. Seas 2 to 3 ft. Chance of showers. .THU NIGHT...NW winds 10 to 15 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. $$ ANZ383-160800- Waters from Fire Island Inlet NY to Moriches Inlet NY from 20 to 60 nm- 232 PM EDT Sat Aug 15 2026 .TONIGHT...SE winds around 5 kt, becoming W late. Seas around 2 ft. Wave Detail: NE 1 ft at 4 seconds and S 1 ft at 6 seconds. .SUN...SE winds around 5 kt, becoming S 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: S 2 ft at 6 seconds and NE 1 ft at 4 seconds. .SUN NIGHT...S winds 15 to 20 kt. Gusts up to 30 kt after midnight. Seas 3 to 5 ft, occasionally to 6 ft. Wave Detail: S 5 ft at 5 seconds and SE 1 ft at 9 seconds. Chance of showers in the evening, then showers likely after midnight. .MON...S winds 15 to 20 kt with gusts up to 30 kt, becoming SW 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 4 to 5 ft, occasionally to 6 ft. Wave Detail: S 5 ft at 7 seconds. Showers likely with slight chance of tstms. .MON NIGHT...NW winds 5 to 10 kt, becoming N after midnight. Seas 3 to 4 ft, occasionally to 5 ft. Wave Detail: S 4 ft at 7 seconds. .TUE...NW winds 5 to 10 kt. Seas 3 to 4 ft, occasionally to 5 ft. Wave Detail: S 4 ft at 7 seconds. .TUE NIGHT...SW winds around 5 kt. Seas 2 to 3 ft. .WED...SW winds 5 to 10 kt. Seas 2 to 3 ft. .WED NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .THU...W winds 10 to 15 kt. Seas 2 to 3 ft. Chance of showers. .THU NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Chance of showers. Winds and seas may be higher in and near tstms. $$ ANZ385-160800- Waters from Sandy Hook NJ to Fire Island Inlet NY from 20 to 60 nm- 232 PM EDT Sat Aug 15 2026 .TONIGHT...SE winds around 5 kt, becoming SW around 5 kt late. Seas around 2 ft. Wave Detail: NE 1 ft at 4 seconds and S 1 ft at 6 seconds. .SUN...SE winds 5 to 10 kt, becoming S 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: S 3 ft at 6 seconds and E 1 ft at 4 seconds. .SUN NIGHT...S winds 15 to 20 kt. Gusts up to 30 kt after midnight. Seas around 3 ft, building to 4 to 5 ft, occasionally to 6 ft after midnight. Wave Detail: S 3 ft at 5 seconds and SE 1 ft at 9 seconds, becoming S 5 ft at 5 seconds and SE 1 ft at 9 seconds. Chance of showers in the evening, then showers likely after midnight. .MON...SW winds 15 to 20 kt, becoming W 10 to 15 kt in the afternoon. Seas 3 to 5 ft, occasionally to 6 ft. Wave Detail: S 5 ft at 6 seconds and SE 1 ft at 9 seconds. Chance of showers and slight chance of tstms in the morning, then chance of showers in the afternoon. .MON NIGHT...NW winds 5 to 10 kt. Seas 3 to 4 ft, occasionally to 5 ft. Wave Detail: S 4 ft at 7 seconds. .TUE...N winds 5 to 10 kt, becoming NW in the afternoon. Seas 2 to 3 ft. Wave Detail: S 3 ft at 7 seconds and NW 1 ft at 2 seconds. .TUE NIGHT...SW winds around 5 kt. Seas 2 to 3 ft. .WED...SW winds 5 to 10 kt. Seas around 2 ft. .WED NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas around 3 ft. .THU...W winds 5 to 10 kt. Seas 2 to 3 ft. Chance of showers. .THU NIGHT...N winds 10 to 15 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. $$