Last Update: 635 PM EDT Sat Apr 18 2026
For More Weather Information:
46NM SSE Islip NY
Marine Zone Forecast
Tonight
E winds around 10 kt, becoming SE with gusts up to 20 kt after midnight. Seas 2 to 3 ft. Wave detail: E 2 ft at 4 seconds and S 2 ft at 7 seconds. Patchy fog early this evening, then areas of fog late this evening and overnight. Vsby 1 to 3 nm.
Sun
S winds 15 to 20 kt, becoming NW 20 to 25 kt in the afternoon. Seas 3 to 5 ft, occasionally to 6 ft. Wave detail: NW 4 ft at 4 seconds and S 4 ft at 5 seconds. Slight chance of showers in the morning, then showers in the afternoon. Patchy fog. Vsby 1 to 3 nm.
Sun Night
NW winds 15 to 20 kt, becoming W around 10 kt after midnight. Seas 3 to 5 ft, occasionally to 6 ft. Wave detail: NW 4 ft at 5 seconds and S 3 ft at 6 seconds. Chance of showers in the evening.
Mon
NW winds 10 to 15 kt with gusts up to 20 kt. Seas around 3 ft. Wave detail: NW 2 ft at 4 seconds and S 2 ft at 7 seconds. Slight chance of showers in the morning, then chance of showers in the afternoon.
Mon Night
NW winds 10 to 15 kt, becoming N 15 to 20 kt after midnight. Seas 3 to 4 ft, occasionally to 5 ft. Wave detail: NW 3 ft at 4 seconds and S 2 ft at 6 seconds.
Tue
N winds 10 to 15 kt with gusts up to 20 kt, becoming NW 5 to 10 kt in the afternoon. Seas 2 to 4 ft, occasionally to 5 ft.
Tue Night
S winds 15 to 20 kt. Seas 2 to 4 ft, occasionally to 5 ft.
Wed
SW winds 15 to 20 kt. Seas 4 to 6 ft, occasionally to 8 ft. Chance of showers.
Wed Night
NW winds around 10 kt. Seas 3 to 5 ft, occasionally to 6 ft.
Thu
NW winds 10 to 15 kt. Seas 2 to 3 ft.
Thu Night
W winds around 10 kt. Seas 2 to 3 ft.
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