For More Weather Information:

12NM NW Islip NY

[NOTICE]

Last Update: 2:36 am EDT Sep 25, 2026
Forecast Valid: 4am EDT Sep 25, 2026-6pm EDT Oct 1, 2026

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM EDT EARLY THIS

Friday

NE wind 17 to 21 kt, with gusts as high as 29 kt. A chance of showers, mainly after 5pm. Seas around 1 ft.

Friday Night

NNE wind 25 to 30 kt, with gusts as high as 39 kt. Rain, mainly after 11pm. Seas 1 to 2 ft.

Saturday

NNE wind 23 to 27 kt, with gusts as high as 36 kt. Rain. Seas 1 to 2 ft.

Saturday Night

N wind 26 to 30 kt, with gusts as high as 36 kt. Rain. Seas 1 to 2 ft.

Sunday

NNE wind 21 to 26 kt, with gusts as high as 35 kt. Rain, with thunderstorms also possible after 2pm. Seas 1 to 2 ft.

Sunday Night

NNE wind around 22 kt, with gusts as high as 31 kt. Rain. Seas around 1 ft.

Monday

N wind 15 to 18 kt decreasing to 11 to 14 kt in the afternoon. Rain likely, mainly before 2pm. Seas around 1 ft.

Monday Night

NNW wind 6 to 11 kt. A chance of showers. Seas 1 ft or less.

Tuesday

Variable winds 5 kt or less. Partly 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.