For More Weather Information:

11NM ESE Islip NY

[NOTICE]

Last Update: 2:27 am EST Dec 4, 2025
Forecast Valid: 2am EST Dec 4, 2025-6pm EST Dec 10, 2025

...GALE WATCH IN EFFECT FROM THURSDAY AFTERNOON THROUGH LATE

Thursday

W wind 14 to 17 kt becoming WNW 18 to 21 kt in the afternoon. Mostly cloudy, then gradually becoming sunny. Seas 1 to 2 ft.

Thursday Night

NW wind 19 to 24 kt becoming N 11 to 16 kt. Mostly clear. Seas 1 to 2 ft.

Friday

NNE wind 5 to 8 kt becoming S in the afternoon. A slight chance of light rain after 4pm. Seas around 1 ft.

Friday Night

S wind around 6 kt becoming NE after midnight. A chance of light rain, mainly after 7pm. Seas around 1 ft.

Saturday

N wind 6 to 10 kt becoming W in the afternoon. A chance of light rain, mainly before 10am. Seas around 1 ft.

Saturday Night

W wind around 10 kt becoming NW after midnight. Partly cloudy. Seas around 1 ft.

Sunday

WNW wind 7 to 9 kt. Partly sunny. Seas around 1 ft.

Sunday Night

N wind 10 to 13 kt increasing to 15 to 18 kt after midnight. Mostly cloudy. Seas 1 to 2 ft.

Monday

N wind 18 to 20 kt, with gusts as high as 27 kt. Mostly sunny. 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.