For More Weather Information:

12NM NW Islip NY

[NOTICE]

Last Update: 2:19 pm EDT Sep 7, 2026
Forecast Valid: 8pm EDT Sep 7, 2026-6pm EDT Sep 14, 2026

Tonight

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

Tuesday

Variable winds 5 kt or less. Sunny. Seas 1 ft or less.

Tuesday Night

Variable winds 5 kt or less. Partly cloudy. Seas 1 ft or less.

Wednesday

Variable winds less than 5 kt becoming SSW 6 to 11 kt in the afternoon. Mostly sunny. Seas 1 ft or less.

Wednesday Night

SW wind around 17 kt, with gusts as high as 24 kt. Partly cloudy. Seas 1 ft or less.

Thursday

WSW wind 9 to 13 kt. A chance of showers after 2pm. Seas 1 ft or less.

Thursday Night

W wind around 7 kt becoming NW after midnight. A chance of showers before 8pm. Seas 1 ft or less.

Friday

NNW wind 5 to 8 kt. Sunny. Seas 1 ft or less.

Friday Night

Variable winds 5 kt or less. Mostly clear. 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.