For More Weather Information:

13NM WSW Islip NY

[NOTICE]

Last Update: 2:08 pm EDT Sep 20, 2026
Forecast Valid: 7pm EDT Sep 20, 2026-6pm EDT Sep 27, 2026

Tonight

SSW wind 9 to 13 kt becoming N after midnight. Rain likely, mainly before 2am. Seas 2 to 3 ft.

Monday

NE wind 12 to 16 kt. Mostly cloudy. Seas around 2 ft.

Monday Night

ENE wind 11 to 16 kt. A chance of rain after 2am. Seas 2 to 3 ft.

Tuesday

ENE wind 18 to 20 kt, with gusts as high as 26 kt. A chance of rain. Seas 3 to 4 ft.

Tuesday Night

NE wind around 23 kt. A slight chance of rain before 2am. Seas around 4 ft.

Wednesday

NE wind around 23 kt, with gusts as high as 31 kt. Mostly cloudy. Seas 5 to 6 ft.

Wednesday Night

NE wind 21 to 23 kt, with gusts as high as 30 kt. Mostly cloudy. Seas around 6 ft.

Thursday

NE wind 19 to 23 kt, with gusts as high as 31 kt. Mostly cloudy. Seas around 6 ft.

Thursday Night

NE wind around 21 kt. A chance of showers. Seas around 6 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.