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Last Update: 333 PM EDT Thu Jul 30 2026
For More Weather Information:
17NM SE Islip NY
Marine Zone Forecast
Tonight
N winds 5 to 10 kt, becoming NW late this evening and overnight. Seas 3 to 4 ft, occasionally to 5 ft. Wave detail: SE 3 ft at 7 seconds. Slight chance of showers and tstms early this evening, then slight chance of showers late this evening and early morning.
Fri
NW winds 5 to 10 kt, becoming SW 10 to 15 kt in the afternoon. Seas 3 to 4 ft, occasionally to 5 ft. Wave detail: S 3 ft at 9 seconds and SW 2 ft at 4 seconds.
Fri Night
SW winds 5 to 10 kt. Seas 3 to 4 ft, occasionally to 5 ft. Wave detail: SW 2 ft at 4 seconds and SE 2 ft at 7 seconds.
Sat
SW winds around 5 kt, becoming S 10 to 15 kt in the afternoon. Seas around 3 ft. Wave detail: S 3 ft at 9 seconds and S 2 ft at 4 seconds.
Sat Night
S winds 10 to 15 kt. Seas around 3 ft. Wave detail: S 2 ft at 4 seconds and S 2 ft at 8 seconds.
Sun
S winds 10 to 15 kt. Seas around 3 ft. Wave detail: S 3 ft at 7 seconds.
Sun Night
S winds 10 to 15 kt with gusts up to 20 kt. Seas around 3 ft. Chance of showers after midnight.
Mon
SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft, occasionally to 6 ft. Chance of showers.
Mon Night
SW winds 10 to 15 kt. Seas 5 to 6 ft, occasionally to 8 ft. Chance of showers.
Tue
SE winds 5 to 10 kt. Seas 4 to 5 ft, occasionally to 6 ft.
Tue Night
S winds 5 to 10 kt. Seas 4 to 5 ft, occasionally to 6 ft.
winds and seas may be higher in and near tstms.
winds and seas may be higher in and near tstms.
Winds and seas may be higher in and near tstms.
Additional Forecasts and Information
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