


Coastal Waters Forecast
Issued by NWS Upton, NY
Issued by NWS Upton, NY
076 FZUS51 KOKX 170648 CWFOKX Coastal Waters Forecast National Weather Service New York NY 248 AM EDT Thu Jul 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 ANZ300-171930- 248 AM EDT Thu Jul 17 2025 .Synopsis for the Long Island and Connecticut coastal waters... A cold front over the Ohio Valley and Lower Great Lakes this morning will work east today, passing through the area this evening. Weak high pressure builds in Friday into Friday night and then offshore Saturday. A frontal system will impact the region Saturday night and Sunday. High pressure builds to the north Monday. $$ ANZ350-171930- Moriches Inlet NY to Montauk Point NY out 20 nm- 248 AM EDT Thu Jul 17 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH LATE TONIGHT... .TODAY...SW winds 10 to 15 kt with gusts up to 20 kt, increasing to 15 to 20 kt with gusts up to 25 kt late. Seas 2 to 4 ft, occasionally to 5 ft. Wave Detail: S 4 ft at 6 seconds and E 1 ft at 9 seconds. Chance of showers and slight chance of tstms until late afternoon. .TONIGHT...SW winds 15 to 20 kt, becoming W 10 to 15 kt after midnight. Seas 4 to 5 ft, occasionally to 6 ft. Wave Detail: S 5 ft at 7 seconds. .FRI...NW winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt in the afternoon. Seas 3 to 4 ft, occasionally to 5 ft. Wave Detail: SW 4 ft at 7 seconds and E 1 ft at 10 seconds. .FRI NIGHT...W winds 5 to 10 kt, becoming NE after midnight. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 7 seconds and E 1 ft at 10 seconds. .SAT...SE winds around 5 kt, becoming S in the afternoon. Seas 2 to 3 ft. Wave Detail: S 2 ft at 7 seconds and E 1 ft at 10 seconds. .SAT NIGHT...S winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at 6 seconds and SE 2 ft at 9 seconds. Chance of showers in the evening, then showers likely after midnight with vsby 1 to 3 nm. .SUN...SW winds 10 to 15 kt. Seas 2 to 3 ft. Chance of showers and tstms. .SUN NIGHT...NW winds 10 to 15 kt. Seas 2 to 3 ft. .MON...N winds 10 to 15 kt. Seas 2 to 3 ft. .MON NIGHT...NE winds 5 to 10 kt. Seas around 2 ft. Winds and seas may be higher in and near tstms. $$ ANZ353-171930- Fire Island Inlet NY to Moriches Inlet NY out 20 nm- 248 AM EDT Thu Jul 17 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH LATE TONIGHT... .TODAY...SW winds 10 to 15 kt. Gusts up to 25 kt late this morning and afternoon. Seas 2 to 4 ft, occasionally to 5 ft. Wave Detail: S 4 ft at 6 seconds and E 1 ft at 9 seconds. Chance of showers and slight chance of tstms early this morning, then slight chance of showers and tstms late this morning. .TONIGHT...SW winds around 15 kt, becoming W after midnight. Seas 3 to 5 ft, occasionally to 6 ft. Wave Detail: S 5 ft at 7 seconds. .FRI...NW winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt in the afternoon. Seas 3 to 4 ft, occasionally to 5 ft. Wave Detail: W 4 ft at 6 seconds and E 1 ft at 10 seconds. .FRI NIGHT...W winds around 5 kt, becoming N after midnight. Seas 2 to 3 ft. Wave Detail: S 3 ft at 7 seconds and E 1 ft at 10 seconds. .SAT...E winds around 5 kt, becoming S in the afternoon. Seas around 2 ft. Wave Detail: S 2 ft at 7 seconds and SE 2 ft at 9 seconds. Slight chance of showers in the afternoon. .SAT NIGHT...S winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at 4 seconds and SE 2 ft at 9 seconds. Chance of showers in the evening, then showers likely with chance of tstms after midnight with vsby 1 to 3 nm. .SUN...SW winds 10 to 15 kt. Seas 2 to 3 ft. Chance of showers and tstms. .SUN NIGHT...NW winds 10 to 15 kt. Seas 2 to 3 ft. .MON...NE winds 10 to 15 kt. Seas 2 to 3 ft. .MON NIGHT...E winds 5 to 10 kt. Seas around 2 ft. Winds and seas may be higher in and near tstms. $$ ANZ355-171930- Sandy Hook NJ to Fire Island Inlet NY out 20 nm- 248 AM EDT Thu Jul 17 2025 .TODAY...SW winds 10 to 15 kt. Seas 2 to 4 ft, occasionally to 5 ft. Wave Detail: SE 4 ft at 7 seconds. Chance of showers this morning. Slight chance of tstms. Slight chance of showers this afternoon. .TONIGHT...SW winds around 15 kt, becoming NW after midnight. Seas 3 to 4 ft, occasionally to 5 ft. Wave Detail: SW 4 ft at 6 seconds. .FRI...NW winds 10 to 15 kt, diminishing to 5 to 10 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: NW 3 ft at 6 seconds. .FRI NIGHT...NW winds 5 to 10 kt, becoming NE after midnight. Seas 2 to 3 ft. Wave Detail: W 2 ft at 6 seconds and SE 2 ft at 9 seconds. .SAT...E winds around 5 kt, becoming S in the afternoon. Seas around 2 ft. Wave Detail: S 2 ft at 6 seconds and SE 2 ft at 9 seconds. Slight chance of showers in the afternoon. .SAT NIGHT...S winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at 4 seconds and SE 2 ft at 8 seconds. Chance of showers in the evening, then showers likely with chance of tstms after midnight. .SUN...SW winds around 10 kt. Seas 2 to 3 ft. Chance of showers and tstms. .SUN NIGHT...N winds around 10 kt. Seas around 2 ft. .MON...NE winds 5 to 10 kt. Seas around 2 ft. .MON NIGHT...E winds around 10 kt. Seas around 2 ft. Winds and seas may be higher in and near tstms. $$ ANZ332-171930- Long Island Sound East of the Mouth of the Connecticut River- 248 AM EDT Thu Jul 17 2025 .TODAY...SW winds 5 to 10 kt with gusts up to 20 kt, increasing to 10 to 15 kt with occasional nearshore gusts up to 25 kt this afternoon. Seas around 2 ft. Wave Detail: SW 2 ft at 3 seconds. Chance of showers and tstms until late afternoon, then slight chance of showers and tstms late. .TONIGHT...SW winds 10 to 15 kt, becoming W after midnight. Gusts up to 20 kt. Seas around 2 ft. Wave Detail: SW 2 ft at 3 seconds. .FRI...NW winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt in the afternoon. Seas around 2 ft. Wave Detail: W 1 ft at 3 seconds. .FRI NIGHT...NW winds around 5 kt, becoming NE after midnight. Seas 1 ft or less. Wave Detail: W 1 ft at 2 seconds. .SAT...E winds around 5 kt, becoming S in the afternoon. Seas 1 ft or less. Wave Detail: SE 1 ft at 3 seconds. .SAT NIGHT...S winds around 10 kt. Seas around 2 ft. Wave Detail: S 1 ft at 3 seconds. Chance of showers in the evening, then showers likely after midnight with vsby 1 to 3 nm. .SUN...SW winds 5 to 10 kt. Seas around 2 ft. Chance of showers and tstms. .SUN NIGHT...NW winds 5 to 10 kt. Seas 1 ft or less. .MON...N winds 5 to 10 kt. Seas 1 ft or less. .MON NIGHT...NE winds 5 to 10 kt. Seas 1 ft or less. Winds and seas may be higher in and near tstms. $$ ANZ331-171930- Long Island Sound East of New Haven CT/Port Jefferson NY to the Mouth of the Connecticut River- 248 AM EDT Thu Jul 17 2025 .TODAY...SW winds 5 to 10 kt with nearshore gusts up to 20 kt, increasing to 10 to 15 kt with occasional nearshore gusts up to 25 kt late. Seas 1 ft or less, then around 2 ft this afternoon. Wave Detail: SW 1 ft at 2 seconds. Chance of showers and tstms until late afternoon, then slight chance of showers and tstms late. .TONIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, becoming W after midnight. Seas around 2 ft. Wave Detail: SW 1 ft at 3 seconds. .FRI...NW winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt in the afternoon. Seas 1 ft or less. Wave Detail: NW 1 ft at 3 seconds. .FRI NIGHT...N winds around 5 kt. Seas 1 ft or less. Wave Detail: NW 1 ft at 2 seconds. .SAT...E winds around 5 kt, becoming S in the afternoon. Seas 1 ft or less. .SAT NIGHT...S winds around 10 kt. Seas 1 ft or less. Wave Detail: S 1 ft at 2 seconds. Chance of showers in the evening, then showers likely with chance of tstms after midnight with vsby 1 to 3 nm. .SUN...SW winds 5 to 10 kt. Seas 1 ft or less. Chance of showers and tstms. .SUN NIGHT...NW winds 5 to 10 kt. Seas 1 ft or less. .MON...N winds 5 to 10 kt. Seas 1 ft or less. .MON NIGHT...NE winds 5 to 10 kt. Seas 1 ft or less. Winds and seas may be higher in and near tstms. $$ ANZ335-171930- Long Island Sound West of New Haven CT/Port Jefferson NY- 248 AM EDT Thu Jul 17 2025 .TODAY...SW winds 5 to 10 kt, increasing to 10 to 15 kt with occasional nearshore gusts up to 25 kt this afternoon. Seas 1 ft or less, then 1 to 2 ft this afternoon. Wave Detail: SW 1 ft at 2 seconds. Chance of showers and tstms until late afternoon, then slight chance of showers and tstms late. .TONIGHT...W winds 10 to 15 kt with gusts up to 25 kt. Seas around 2 ft. Wave Detail: SW 2 ft at 3 seconds. Slight chance of showers and tstms in the evening. .FRI...NW winds 10 to 15 kt, diminishing to 5 to 10 kt in the afternoon. Seas 1 ft or less. Wave Detail: NW 1 ft at 3 seconds. .FRI NIGHT...N winds 5 to 10 kt. Seas 1 ft or less. .SAT...E winds around 5 kt, becoming S in the afternoon. Seas 1 ft or less. Slight chance of showers in the afternoon. .SAT NIGHT...S winds around 10 kt. Seas 1 ft or less. Wave Detail: S 1 ft at 2 seconds. Chance of showers in the evening, then showers likely with chance of tstms after midnight. .SUN...W winds 5 to 10 kt. Seas 1 ft or less. Chance of showers and tstms. .SUN NIGHT...N winds 5 to 10 kt. Seas 1 ft or less. .MON...N winds 5 to 10 kt. Seas 1 ft or less. .MON NIGHT...NE winds 5 to 10 kt. Seas 1 ft or less. Winds and seas may be higher in and near tstms. $$ ANZ338-171930- New York Harbor- 248 AM EDT Thu Jul 17 2025 .TODAY...SW winds 5 to 10 kt with gusts up to 20 kt, increasing to 10 to 15 kt with occasional nearshore gusts up to 25 kt this afternoon. Waves 1 ft or less, then around 2 ft this afternoon. Wave Detail: SW 1 ft at 2 seconds. Slight chance of tstms. Chance of showers, mainly this morning. .TONIGHT...W winds 10 to 15 kt, becoming NW after midnight. Occasional nearshore gusts up to 25 kt. Waves around 2 ft. Wave Detail: W 1 ft at 2 seconds. Slight chance of showers and tstms in the evening. .FRI...NW winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt in the afternoon. Waves around 2 ft in the morning, then 1 ft or less. Wave Detail: NW 1 ft at 2 seconds. .FRI NIGHT...NW winds 5 to 10 kt, becoming NE after midnight. Waves 1 ft or less. .SAT...E winds around 5 kt, becoming SE in the afternoon. Waves 1 ft or less. Slight chance of showers in the afternoon. .SAT NIGHT...S winds around 10 kt. Waves 1 to 2 ft. Chance of showers in the evening, then showers likely with chance of tstms after midnight. .SUN...W winds 5 to 10 kt. Waves 1 to 2 ft. Chance of showers and tstms. .SUN NIGHT...N winds 5 to 10 kt. Waves 1 ft or less. .MON...NE winds 5 to 10 kt. Waves 1 ft or less. .MON NIGHT...E winds 5 to 10 kt. Waves 1 ft or less. Winds and waves may be higher in and near tstms. $$ ANZ340-171930- Peconic and Gardiners Bays- 248 AM EDT Thu Jul 17 2025 .TODAY...SW winds 5 to 10 kt with gusts up to 20 kt, increasing to 10 to 15 kt with occasional nearshore gusts up to 25 kt this afternoon. Waves 1 ft or less. Chance of showers and tstms until late afternoon. .TONIGHT...SW winds 10 to 15 kt, becoming W after midnight. Waves 1 ft or less. .FRI...NW winds 5 to 10 kt. Waves 1 ft or less. .FRI NIGHT...NW winds around 5 kt, becoming NE after midnight. Waves 1 ft or less. .SAT...E winds around 5 kt, becoming S in the afternoon. Waves 1 ft or less. .SAT NIGHT...S winds 5 to 10 kt. Waves 1 ft or less. Chance of showers in the evening, then showers likely with chance of tstms after midnight with vsby 1 to 3 nm. .SUN...SW winds 5 to 10 kt. Waves 1 ft or less. Chance of showers and tstms. .SUN NIGHT...NW winds 5 to 10 kt. Waves 1 ft or less. .MON...N winds 5 to 10 kt. Waves 1 ft or less. .MON NIGHT...NE winds 5 to 10 kt. Waves 1 ft or less. Winds and waves may be higher in and near tstms. $$ ANZ345-171930- South Shore Bays from Jones Inlet through Shinnecock Bay- 248 AM EDT Thu Jul 17 2025 .TODAY...SW winds 5 to 10 kt, increasing to 10 to 15 kt with occasional nearshore gusts up to 25 kt late this morning and afternoon. Waves 1 ft or less. Chance of showers and slight chance of tstms this morning. .TONIGHT...SW winds 10 to 15 kt, becoming W after midnight. Gusts up to 25 kt. Waves 1 ft or less. .FRI...NW winds 5 to 10 kt. Waves 1 ft or less. .FRI NIGHT...N winds around 5 kt. Waves 1 ft or less. .SAT...E winds around 5 kt, becoming S in the afternoon. Waves 1 ft or less. Slight chance of showers in the afternoon. .SAT NIGHT...S winds around 10 kt. Waves 1 ft or less. Chance of showers in the evening, then showers likely with chance of tstms after midnight. .SUN...SW winds around 10 kt. Waves 1 ft or less. Chance of showers and tstms. .SUN NIGHT...NW winds 5 to 10 kt. Waves 1 ft or less. .MON...NE winds 5 to 10 kt. Waves 1 ft or less. .MON NIGHT...NE winds 5 to 10 kt. Waves 1 ft or less. Winds and waves may be higher in and near tstms. $$