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Last Update: 224 AM EDT Thu May 21 2026
For More Weather Information:
46NM SSE Islip NY
Marine Zone Forecast
Today
NE winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft, occasionally to 5 ft. Wave detail: NE 3 ft at 4 seconds and S 3 ft at 6 seconds. Chance of showers this morning. Slight chance of tstms late this morning and early afternoon. Showers this afternoon.
Tonight
E winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft, occasionally to 5 ft. Wave detail: E 3 ft at 5 seconds and S 2 ft at 6 seconds. Chance of showers, mainly in the evening.
Fri
E winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft, occasionally to 6 ft. Wave detail: SE 4 ft at 7 seconds and SE 1 ft at 10 seconds. Slight chance of showers in the afternoon.
Fri Night
E winds around 15 kt with gusts up to 20 kt. Seas 4 to 5 ft, occasionally to 6 ft. Wave detail: E 4 ft at 6 seconds. Slight chance of showers in the evening, then chance of showers after midnight.
Sat
E winds 15 to 20 kt with gusts up to 25 kt. Seas 5 to 7 ft, occasionally to 9 ft. Wave detail: E 7 ft at 7 seconds. Chance of showers in the morning, then showers in the afternoon.
Sat Night
E winds 20 to 25 kt with gusts up to 30 kt. Seas 6 to 8 ft, occasionally to 10 ft. Wave detail: E 7 ft at 8 seconds. Showers.
Sun
E winds 20 to 25 kt with gusts up to 30 kt. Seas 7 to 9 ft, occasionally to 11 ft. Showers.
Sun Night
NW winds 10 to 15 kt with gusts up to 20 kt. Seas 7 to 9 ft, occasionally to 11 ft. Chance of showers.
Mon
W winds 5 to 10 kt. Seas 5 to 7 ft, occasionally to 9 ft. Chance of showers.
Mon Night
SW winds around 5 kt. Seas 4 to 5 ft, occasionally to 6 ft. Chance of showers.
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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