For More Weather Information:

7NM SSW Islip NY

[NOTICE]

Last Update: 6:12 pm EDT Oct 18, 2026
Forecast Valid: 6pm EDT Oct 18, 2026-6pm EDT Oct 25, 2026

Tonight

ENE wind 5 to 9 kt. Clear. Seas around 1 ft.

Monday

NE wind 12 to 15 kt. Sunny. Seas 1 to 2 ft.

Monday Night

NNE wind 11 to 16 kt, with gusts as high as 23 kt. Partly cloudy. Seas 1 to 2 ft.

Tuesday

NNE wind 15 to 18 kt, with gusts as high as 26 kt. Mostly cloudy. Seas around 2 ft.

Tuesday Night

NNE wind 15 to 18 kt increasing to 18 to 21 kt after midnight. Winds could gust as high as 28 kt. Partly cloudy. Seas around 2 ft.

Wednesday

NNE wind 15 to 20 kt, with gusts as high as 28 kt. Mostly sunny. Seas around 2 ft.

Wednesday Night

NNE wind around 18 kt. Partly cloudy. Seas around 2 ft.

Thursday

N wind 14 to 17 kt decreasing to 11 to 14 kt in the afternoon. Mostly sunny. Seas 1 to 2 ft.

Thursday Night

N wind 11 to 14 kt increasing to 14 to 17 kt after midnight. Mostly clear. 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.