For More Weather Information:

12NM NW Islip NY

[NOTICE]

Last Update: 2:20 am EDT Oct 20, 2026
Forecast Valid: 8am EDT Oct 20, 2026-6pm EDT Oct 26, 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH

Today

NNE wind around 13 kt, with gusts as high as 20 kt. Sunny. Seas 1 ft or less.

Tonight

NNE wind 12 to 15 kt increasing to 15 to 18 kt after midnight. Mostly clear. Seas around 1 ft.

Wednesday

NNE wind 12 to 17 kt, with gusts as high as 24 kt. Mostly sunny. Seas around 1 ft.

Wednesday Night

NNE wind around 15 kt, with gusts as high as 24 kt. Partly cloudy. Seas around 1 ft.

Thursday

N wind around 13 kt. Sunny. Seas around 1 ft.

Thursday Night

N wind 13 to 16 kt increasing to 16 to 19 kt in the evening. Mostly clear. Seas around 1 ft.

Friday

N wind 13 to 16 kt decreasing to 10 to 13 kt in the afternoon. Sunny. Seas around 1 ft.

Friday Night

NNE wind 7 to 9 kt. Mostly clear. Seas 1 ft or less.

Saturday

N wind 5 to 7 kt becoming variable and less than 5 kt in the afternoon. Sunny. Seas 1 ft or less.

*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.