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15NM SW Islip NY

[NOTICE]

Last Update: 2:14 pm EST Dec 4, 2025
Forecast Valid: 6pm EST Dec 4, 2025-6pm EST Dec 11, 2025

...GALE WARNING IN EFFECT UNTIL MIDNIGHT EST TONIGHT...

Tonight

NW wind 21 to 26 kt becoming N 11 to 16 kt. Winds could gust as high as 33 kt. Partly cloudy. Seas 4 ft subsiding to 2 ft.

Friday

NE wind 6 to 8 kt becoming SE in the afternoon. A slight chance of rain and snow after 4pm. Seas around 2 ft.

Friday Night

SE wind 5 to 7 kt becoming NNW after midnight. A chance of rain and snow before 10pm, then a chance of rain. Seas around 2 ft.

Saturday

NW wind 6 to 11 kt becoming W in the afternoon. A slight chance of rain before 1pm. Seas around 2 ft.

Saturday Night

W wind 11 to 13 kt becoming NW after midnight. Mostly cloudy, then gradually becoming mostly clear. Seas 2 to 3 ft.

Sunday

NNW wind 7 to 9 kt becoming W in the afternoon. Partly sunny. Seas around 2 ft.

Sunday Night

W wind 8 to 13 kt increasing to 13 to 18 kt after midnight. Mostly cloudy. Seas 2 to 3 ft.

Monday

NNW wind 22 to 24 kt. Mostly sunny. Seas 3 to 4 ft.

Monday Night

N wind 16 to 19 kt decreasing to 11 to 14 kt after midnight. Mostly clear. Seas 2 to 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.