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15NM SW Islip NY

[NOTICE]

Last Update: 9:08 pm EST Nov 16, 2025
Forecast Valid: 9pm EST Nov 16, 2025-6pm EST Nov 23, 2025

...GALE WARNING IN EFFECT THROUGH MONDAY AFTERNOON...

Tonight

W wind 27 to 30 kt, with gusts as high as 38 kt. Partly cloudy. Seas around 6 ft.

Monday

WNW wind 24 to 29 kt. Mostly sunny. Seas 4 to 5 ft.

Monday Night

WNW wind 21 to 23 kt, with gusts as high as 29 kt. Mostly clear. Seas around 4 ft.

Tuesday

WNW wind 14 to 19 kt. Mostly sunny. Seas 2 to 3 ft.

Tuesday Night

WNW wind 9 to 12 kt decreasing to 6 to 9 kt after midnight. A chance of rain, mainly after 1am. Seas 1 to 2 ft.

Wednesday

NNW wind around 6 kt becoming NE in the afternoon. Partly sunny. Seas around 1 ft.

Wednesday Night

ENE wind 5 to 8 kt. Increasing clouds. Seas around 1 ft.

Thursday

E wind 6 to 8 kt. Mostly cloudy. Seas around 1 ft.

Thursday Night

ENE wind 5 to 9 kt becoming S after midnight. A chance of rain. Seas around 2 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.