For More Weather Information:

13NM E Islip NY

[NOTICE]

Last Update: 6:30 pm EST Dec 8, 2025
Forecast Valid: 12am EST Dec 9, 2025-6pm EST Dec 15, 2025

Overnight

N wind 9 to 12 kt. Partly cloudy. Seas around 1 ft.

Tuesday

Variable winds less than 5 kt becoming SSW 5 to 9 kt in the afternoon. Increasing clouds. Seas 1 ft or less.

Tuesday Night

WSW wind 15 to 20 kt, with gusts as high as 26 kt. A slight chance of rain before 1am. Seas around 2 ft.

Wednesday

SSW wind 15 to 18 kt increasing to 20 to 23 kt in the afternoon. Winds could gust as high as 29 kt. Rain likely, mainly after 1pm. Seas around 2 ft.

Wednesday Night

SW wind 19 to 23 kt becoming W after midnight. Winds could gust as high as 30 kt. A chance of rain before 1am. Seas around 2 ft.

Thursday

WNW wind around 18 kt, with gusts as high as 25 kt. Mostly sunny. Seas around 2 ft.

Thursday Night

WNW wind 16 to 18 kt, with gusts as high as 25 kt. Partly cloudy. Seas around 2 ft.

Friday

W wind around 16 kt, with gusts as high as 22 kt. Mostly sunny. Seas around 2 ft.

Friday Night

W wind around 14 kt. A chance of snow. 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.