For More Weather Information:

13NM E Islip NY

[NOTICE]

Last Update: 5:30 pm EST Dec 2, 2025
Forecast Valid: 9pm EST Dec 2, 2025-6pm EST Dec 9, 2025

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

Tonight

NNW wind 15 to 17 kt, with gusts as high as 23 kt. Cloudy, then gradually becoming partly cloudy. Seas around 1 ft.

Wednesday

NNW wind 7 to 12 kt. Sunny. Seas around 1 ft.

Wednesday Night

W wind 5 to 8 kt increasing to 9 to 12 kt after midnight. Mostly clear. Seas around 1 ft.

Thursday

W wind 13 to 16 kt increasing to 16 to 19 kt in the afternoon. Winds could gust as high as 25 kt. Mostly sunny. Seas around 2 ft.

Thursday Night

NNW wind 16 to 21 kt decreasing to 9 to 14 kt. Mostly clear. Seas 1 to 2 ft.

Friday

N wind 6 to 9 kt becoming SSW in the afternoon. Partly sunny. Seas around 1 ft.

Friday Night

SW wind around 6 kt becoming N after midnight. A chance of rain and snow before 1am, then a chance of rain. Seas around 1 ft.

Saturday

NNE wind 5 to 10 kt becoming W in the afternoon. A chance of rain. Seas around 1 ft.

Saturday Night

W wind around 9 kt. Partly cloudy. Seas around 1 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.