For More Weather Information:

13NM E Islip NY

[NOTICE]

Last Update: 3:34 pm EST Dec 9, 2025
Forecast Valid: 4pm EST Dec 9, 2025-6pm EST Dec 16, 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 6 PM EST THIS EVENING

Tonight

SW wind 12 to 15 kt, with gusts as high as 24 kt. Mostly cloudy. Seas 1 to 2 ft.

Wednesday

SSW wind 15 to 18 kt increasing to 18 to 21 kt in the afternoon. Winds could gust as high as 34 kt. Rain likely after 1pm. Seas 2 to 3 ft.

Wednesday Night

WSW wind 16 to 19 kt, with gusts as high as 30 kt. A chance of rain before 1am. Seas 2 to 3 ft.

Thursday

W wind around 19 kt, with gusts as high as 30 kt. Mostly sunny. Seas around 2 ft.

Thursday Night

W wind 15 to 20 kt, with gusts as high as 31 kt. Partly cloudy. Seas around 2 ft.

Friday

W wind 16 to 19 kt, with gusts as high as 26 kt. Mostly sunny. Seas around 2 ft.

Friday Night

W wind 9 to 14 kt. Mostly cloudy. Seas around 1 ft.

Saturday

W wind 10 to 13 kt increasing to 15 to 18 kt in the afternoon. Winds could gust as high as 25 kt. Mostly cloudy. Seas 1 to 2 ft.

Saturday Night

W wind 13 to 17 kt, with gusts as high as 24 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.