For More Weather Information:

12NM NW Islip NY

[NOTICE]

Last Update: 9:44 am EDT Sep 21, 2026
Forecast Valid: 11am EDT Sep 21, 2026-6pm EDT Sep 27, 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY MORNING THROUGH

Today

NE wind 12 to 17 kt. Partly sunny. Seas around 1 ft.

Tonight

NE wind 12 to 16 kt. A slight chance of rain after 2am. Seas 1 ft or less.

Tuesday

NE wind 17 to 19 kt. A chance of rain, mainly before 11am. Seas around 1 ft.

Tuesday Night

NE wind around 20 kt, with gusts as high as 28 kt. Mostly cloudy. Seas around 1 ft.

Wednesday

NE wind around 20 kt, with gusts as high as 28 kt. Mostly cloudy. Seas around 1 ft.

Wednesday Night

NE wind around 21 kt, with gusts as high as 29 kt. Mostly cloudy. Seas around 1 ft.

Thursday

NE wind 16 to 19 kt, with gusts as high as 27 kt. Mostly cloudy. Seas around 1 ft.

Thursday Night

NE wind 17 to 19 kt, with gusts as high as 30 kt. A chance of showers. Seas around 1 ft.

Friday

NNE wind around 20 kt, with gusts as high as 33 kt. A chance of showers. 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.