For More Weather Information:

13NM E Islip NY

[NOTICE]

Last Update: 5:54 pm EST Dec 10, 2025
Forecast Valid: 10pm EST Dec 10, 2025-6pm EST Dec 17, 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 5 AM EST THURSDAY...

Tonight

W wind 15 to 17 kt, with gusts as high as 26 kt. A slight chance of rain before 1am. Seas 2 to 3 ft.

Thursday

WNW wind 18 to 20 kt, with gusts as high as 35 kt. A slight chance of snow showers after 1pm. Seas around 2 ft.

Thursday Night

W wind 18 to 22 kt, with gusts as high as 37 kt. Partly cloudy. Seas around 2 ft.

Friday

W wind 12 to 15 kt, with gusts as high as 25 kt. Mostly sunny. Seas 1 to 2 ft.

Friday Night

W wind 6 to 9 kt. Partly cloudy. Seas around 1 ft.

Saturday

W wind 7 to 10 kt increasing to 12 to 15 kt in the afternoon. Partly sunny. Seas around 1 ft.

Saturday Night

W wind 12 to 15 kt. A chance of snow after 1am. Seas around 1 ft.

Sunday

WNW wind 12 to 15 kt increasing to 17 to 20 kt in the afternoon. A chance of snow. Seas around 1 ft.

Sunday Night

NW wind 22 to 24 kt. Partly cloudy. Seas 1 to 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.