Hazardous Weather Conditions
Last Update: 755 PM EDT Mon May 4 2026
For More Weather Information:
17NM SE Islip NY
Marine Zone Forecast
...SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY EVENING...
Tonight
S winds around 20 kt with gusts up to 25 kt. Seas 5 to 6 ft, occasionally to 8 ft. Wave detail: S 6 ft at 6 seconds and E 2 ft at 9 seconds.
Tue
SW winds 20 to 25 kt, becoming S 25 to 30 kt in the afternoon. Seas 5 to 7 ft, occasionally to 9 ft, building to 6 to 9 ft, occasionally to 11 ft in the afternoon. Wave detail: S 6 ft at 7 seconds and E 1 ft at 9 seconds, becoming S 8 ft at 7 seconds and E 1 ft at 9 seconds.
Tue Night
S winds 25 to 30 kt. Seas 8 to 10 ft, occasionally to 13 ft. Wave detail: S 9 ft at 7 seconds.
Wed
S winds around 25 kt with gusts up to 30 kt. Seas 7 to 9 ft, occasionally to 11 ft. Wave detail: S 8 ft at 7 seconds. Slight chance of showers in the morning, then showers likely in the afternoon.
Wed Night
S winds 20 to 25 kt, becoming SW 15 to 20 kt after midnight. Seas 5 to 8 ft, occasionally to 10 ft. Wave detail: S 8 ft at 7 seconds. Showers.
Thu
NW winds 10 to 15 kt. Seas 4 to 6 ft, occasionally to 8 ft. Showers likely.
Thu Night
NW winds around 10 kt. Seas 4 to 5 ft, occasionally to 6 ft. Chance of showers.
Fri
W winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 5 ft, occasionally to 6 ft.
Fri Night
SW winds 10 to 15 kt. Seas 3 to 4 ft, occasionally to 5 ft.
Sat
SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft, occasionally to 6 ft. Chance of showers.
Sat Night
SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 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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