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15NM SW Islip NY

[NOTICE]

Last Update: 2:07 pm EDT Apr 23, 2026
Forecast Valid: 5pm EDT Apr 23, 2026-6pm EDT Apr 30, 2026

Tonight

WSW wind 7 to 10 kt becoming N after midnight. Mostly cloudy. Seas around 3 ft.

Friday

NNE wind 5 to 8 kt becoming S in the afternoon. Mostly cloudy, then gradually becoming sunny. Seas around 2 ft.

Friday Night

S wind 6 to 9 kt becoming ESE after midnight. A slight chance of rain after 2am. Seas around 2 ft.

Saturday

E wind 15 to 18 kt. Rain likely, mainly after 2pm. Seas 2 to 3 ft.

Saturday Night

ENE wind 16 to 19 kt. Rain likely. Seas around 4 ft.

Sunday

ENE wind around 17 kt. A chance of rain. Seas around 4 ft.

Sunday Night

ENE wind 10 to 13 kt becoming NNE after midnight. A chance of showers before 8pm. Seas around 4 ft.

Monday

NE wind 9 to 11 kt. Mostly sunny. Seas around 4 ft.

Monday Night

NE wind 7 to 9 kt. Partly cloudy. Seas 3 to 4 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.