For More Weather Information:

12NM NW Islip NY

[NOTICE]

Last Update: 2:25 pm EDT May 21, 2026
Forecast Valid: 6pm EDT May 21, 2026-6pm EDT May 28, 2026

Tonight

Variable winds 5 kt or less. A chance of rain before 8pm. Seas 1 ft or less.

Friday

ENE wind 10 to 14 kt. Partly sunny. Seas 1 ft or less.

Friday Night

E wind 6 to 8 kt. Mostly cloudy. Seas 1 ft or less.

Saturday

E wind 11 to 15 kt. Rain, mainly after 2pm. Seas 1 ft or less.

Saturday Night

E wind 18 to 22 kt. Rain. Seas around 1 ft.

Sunday

E wind 21 to 24 kt decreasing to 17 to 20 kt in the afternoon. Rain. Seas around 1 ft.

Sunday Night

NNE wind 5 to 9 kt. Showers likely, mainly before 8pm. Seas 1 ft or less.

Memorial Day

Variable winds 5 kt or less. A chance of showers. Seas 1 ft or less.

Monday Night

Variable winds 5 kt or less. A chance of showers. 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.