For More Weather Information:

7NM S Islip NY

[NOTICE]

Last Update: 10:26 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 20 to 23 kt, with gusts as high as 29 kt. Cloudy early, then becoming partly cloudy. Seas 4 to 5 ft.

Thursday

WNW wind 25 to 27 kt, with gusts as high as 39 kt. A slight chance of snow showers after 1pm. Seas around 4 ft.

Thursday Night

W wind 27 to 30 kt decreasing to 24 to 27 kt after midnight. Winds could gust as high as 40 kt. Partly cloudy. Seas around 4 ft.

Friday

W wind 15 to 20 kt, with gusts as high as 27 kt. Mostly sunny. Seas 2 to 3 ft.

Friday Night

W wind 9 to 12 kt. A slight chance of snow showers after 1am. Seas 1 to 2 ft.

Saturday

W wind 10 to 13 kt increasing to 13 to 16 kt in the afternoon. Partly sunny. Seas 1 to 2 ft.

Saturday Night

W wind around 16 kt. A chance of snow after 1am. Seas around 2 ft.

Sunday

WNW wind 14 to 17 kt increasing to 17 to 20 kt in the afternoon. A chance of snow. Seas around 2 ft.

Sunday Night

NW wind 21 to 23 kt. Partly cloudy. 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.