For More Weather Information:

12NM NW Islip NY

[NOTICE]

Last Update: 2:21 am EDT Oct 17, 2026
Forecast Valid: 8am EDT Oct 17, 2026-6pm EDT Oct 23, 2026

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON...

Today

N wind 14 to 17 kt, with gusts as high as 24 kt. A slight chance of showers before 11am. Seas around 1 ft.

Tonight

N wind 13 to 16 kt, with gusts as high as 22 kt. Mostly clear. Seas around 1 ft.

Sunday

NNE wind 5 to 9 kt becoming variable and less than 5 kt in the afternoon. Sunny. Seas 1 ft or less.

Sunday Night

Variable winds 5 kt or less. Mostly clear. Seas 1 ft or less.

Monday

NE wind 8 to 11 kt. Mostly sunny. Seas 1 ft or less.

Monday Night

NNE wind 11 to 16 kt. Mostly cloudy. Seas 1 ft or less.

Tuesday

NNE wind 13 to 16 kt decreasing to 10 to 13 kt in the afternoon. Partly sunny. Seas around 1 ft.

Tuesday Night

NNE wind 11 to 14 kt increasing to 14 to 17 kt after midnight. Winds could gust as high as 25 kt. Partly cloudy. Seas around 1 ft.

Wednesday

NE wind 14 to 18 kt, with gusts as high as 25 kt. Mostly sunny. 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.