For More Weather Information:

13NM E Islip NY

[NOTICE]

Last Update: 8:58 am EST Dec 11, 2025
Forecast Valid: 12pm EST Dec 11, 2025-6pm EST Dec 17, 2025

...GALE WARNING IN EFFECT THROUGH LATE TONIGHT...

This Afternoon

W wind around 22 kt, with gusts as high as 37 kt. Mostly sunny. Seas around 2 ft.

Tonight

W wind 24 to 27 kt decreasing to 19 to 22 kt after midnight. Winds could gust as high as 40 kt. Partly cloudy. Seas around 2 ft.

Friday

W wind 15 to 17 kt, with gusts as high as 25 kt. Sunny. Seas 1 to 2 ft.

Friday Night

W wind 8 to 11 kt decreasing to 5 to 8 kt after midnight. Partly cloudy. Seas 1 ft or less.

Saturday

WSW wind 5 to 8 kt increasing to 9 to 12 kt in the afternoon. Partly sunny. Seas 1 ft or less.

Saturday Night

W wind 8 to 12 kt. A chance of rain and snow between 1am and 4am, then a chance of snow after 4am. Seas around 1 ft.

Sunday

NW wind 9 to 14 kt increasing to 15 to 20 kt in the afternoon. Snow likely, mainly before 1pm. Seas around 1 ft.

Sunday Night

NW wind 25 to 27 kt. Partly cloudy. Seas 1 to 2 ft.

Monday

NW wind 20 to 23 kt decreasing to 17 to 20 kt in the afternoon. Mostly sunny. 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.