Last Update: 205 AM EST Fri Jan 23 2026

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New York, NY Local Forecast Office

17NM SE Islip NY

Marine Zone Forecast

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT... ...FREEZING SPRAY ADVISORY IN EFFECT FROM THIS EVENING THROUGH

Today
W winds 15 to 20 kt, increasing to 20 to 25 kt late this morning and afternoon. Seas 4 to 5 ft, occasionally to 6 ft, building to 5 to 7 ft, occasionally to 9 ft this afternoon. Wave detail: SW 4 ft at 6 seconds and SE 2 ft at 10 seconds, becoming SW 5 ft at 6 seconds and SE 2 ft at 11 seconds.
Tonight
NW winds 25 to 30 kt, diminishing to 20 to 25 kt after midnight. Seas 5 to 7 ft, occasionally to 9 ft. Wave detail: W 6 ft at 6 seconds and SE 2 ft at 11 seconds. Freezing spray.
Sat
NW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft, occasionally to 6 ft. Wave detail: NW 4 ft at 5 seconds and SE 1 ft at 11 seconds. Freezing spray.
Sat Night
N winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave detail: N 2 ft at 4 seconds and SE 1 ft at 11 seconds. Chance of snow after midnight.
Sun
NE winds 20 to 25 kt, increasing to 25 to 30 kt in the afternoon. Seas 2 to 4 ft, occasionally to 5 ft, building to 5 to 7 ft, occasionally to 9 ft in the afternoon. Wave detail: NE 4 ft at 4 seconds and W 1 ft at 3 seconds, becoming E 7 ft at 6 seconds and SE 1 ft at 10 seconds. Snow. Vsby less than 1 nm.
Sun Night
NE winds 25 to 30 kt with gusts up to 40 kt. Seas 8 to 11 ft, occasionally to 14 ft. Wave detail: E 10 ft at 7 seconds. Sleet, rain, snow and freezing rain. Vsby less than 1 nm in the evening.
Mon
N winds 25 to 30 kt. Seas 8 to 11 ft, occasionally to 14 ft. Snow likely.
Mon Night
NW winds 30 to 40 kt. Seas 9 to 12 ft, occasionally to 15 ft. Chance of snow. Vsby 1 to 3 nm.
Tue
W winds 25 to 30 kt. Seas 7 to 10 ft, occasionally to 13 ft.
Tue Night
W winds 25 to 30 kt. Seas 5 to 8 ft, occasionally to 10 ft.



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205 AM EST Fri Jan 23 2026
 
 

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