For More Weather Information:

12NM NW Islip NY

[NOTICE]

Last Update: 3:14 pm EDT Oct 20, 2026
Forecast Valid: 3pm EDT Oct 20, 2026-6pm EDT Oct 27, 2026

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE WEDNESDAY NIGHT...

This Afternoon

NNE wind around 16 kt, with gusts as high as 22 kt. Sunny. Seas around 1 ft.

Tonight

NE wind 13 to 16 kt increasing to 16 to 19 kt after midnight. Clear. Seas around 1 ft.

Wednesday

NNE wind 16 to 21 kt. Sunny. Seas around 1 ft.

Wednesday Night

N wind 14 to 18 kt. Partly cloudy. Seas around 1 ft.

Thursday

N wind 11 to 13 kt. Sunny. Seas around 1 ft.

Thursday Night

N wind 15 to 19 kt. Clear. Seas around 1 ft.

Friday

N wind 10 to 15 kt. Sunny. Seas 1 ft or less.

Friday Night

N wind around 7 kt. Mostly clear. Seas 1 ft or less.

Saturday

Variable winds 5 kt or less. 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.