For More Weather Information:

10NM E Islip NY

[NOTICE]

Last Update: 5:42 pm EST Dec 9, 2025
Forecast Valid: 6pm EST Dec 9, 2025-6pm EST Dec 16, 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

Tonight

SW wind 13 to 16 kt increasing to 16 to 19 kt in the evening. Winds could gust as high as 27 kt. Mostly cloudy. Seas 1 to 2 ft.

Wednesday

SSW wind 19 to 22 kt increasing to 22 to 25 kt in the afternoon. Winds could gust as high as 36 kt. Rain likely after 1pm. Seas around 2 ft.

Wednesday Night

WSW wind 20 to 25 kt, with gusts as high as 32 kt. A chance of rain before 1am. Seas around 2 ft.

Thursday

W wind around 23 kt, with gusts as high as 32 kt. Mostly sunny. Seas around 2 ft.

Thursday Night

W wind 23 to 26 kt decreasing to 20 to 23 kt after midnight. Winds could gust as high as 34 kt. Partly cloudy. Seas around 2 ft.

Friday

W wind 17 to 19 kt, with gusts as high as 26 kt. Mostly sunny. Seas around 2 ft.

Friday Night

W wind 10 to 14 kt. Mostly cloudy. Seas around 1 ft.

Saturday

W wind 11 to 14 kt increasing to 16 to 19 kt in the afternoon. Winds could gust as high as 26 kt. Mostly cloudy. Seas 1 to 2 ft.

Saturday Night

W wind 14 to 18 kt, with gusts as high as 25 kt. A chance of snow. 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.