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15NM SW Islip NY

[NOTICE]

Last Update: 8:00 pm EDT Apr 22, 2026
Forecast Valid: 9pm EDT Apr 22, 2026-6pm EDT Apr 29, 2026

Tonight

NE wind around 6 kt becoming N after midnight. Scattered showers, mainly before midnight. Seas around 3 ft.

Thursday

NW wind 5 to 9 kt becoming SW in the afternoon. Mostly sunny. Seas around 3 ft.

Thursday Night

NW wind 8 to 10 kt becoming N after midnight. Increasing clouds. Seas around 3 ft.

Friday

NE wind 5 to 7 kt becoming SSE in the afternoon. Partly sunny. Seas around 2 ft.

Friday Night

SE wind around 8 kt. A slight chance of showers after 2am. Seas around 2 ft.

Saturday

ESE wind 10 to 13 kt. Showers likely, mainly after 2pm. Seas around 2 ft.

Saturday Night

E wind around 13 kt. Showers likely, mainly before 2am. Seas 2 to 3 ft.

Sunday

ENE wind 13 to 15 kt. A chance of showers. Seas around 3 ft.

Sunday Night

E wind 7 to 9 kt becoming NE after midnight. Mostly cloudy. Seas around 3 ft.

*Notices:

This forecast is for a single location. For safety concerns, mariners should be aware of the weather over a larger area. Forecast information for a larger area can be found within the zone forecast and the NDFD graphics.
The forecast conditions at a particular point may not exceed the criteria of a Small Craft Advisory, Gale, Storm etc. These watches/warnings/advisories are issued for the entire zone in which the point resides and mariners should act accordingly.