For More Weather Information:

13NM NW Islip NY

[NOTICE]

Last Update: 5:42 pm EST Dec 9, 2025
Forecast Valid: 8pm EST Dec 9, 2025-6pm EST Dec 16, 2025

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

Tonight

SW wind 10 to 12 kt. Mostly cloudy. Seas around 1 ft.

Wednesday

SSW wind 12 to 15 kt increasing to 15 to 18 kt in the afternoon. Winds could gust as high as 31 kt. Rain, mainly after 1pm. Seas 1 to 2 ft.

Wednesday Night

SW wind 15 to 17 kt becoming W after midnight. Winds could gust as high as 25 kt. Rain, mainly before 7pm. Seas around 2 ft.

Thursday

W wind 18 to 20 kt, with gusts as high as 31 kt. Mostly sunny. Seas around 2 ft.

Thursday Night

W wind 15 to 19 kt, with gusts as high as 28 kt. Partly cloudy. Seas around 2 ft.

Friday

W wind 14 to 18 kt, with gusts as high as 24 kt. Mostly sunny. Seas 1 to 2 ft.

Friday Night

W wind 10 to 12 kt. Mostly cloudy. Seas around 1 ft.

Saturday

W wind 11 to 15 kt, with gusts as high as 23 kt. Mostly cloudy. Seas 1 to 2 ft.

Saturday Night

W wind around 15 kt, with gusts as high as 21 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.