For More Weather Information:

12NM NW Islip NY

[NOTICE]

Last Update: 3:41 am EDT Sep 20, 2026
Forecast Valid: 8am EDT Sep 20, 2026-6pm EDT Sep 26, 2026

Today

ESE wind around 10 kt. Rain. Seas 1 ft or less.

Tonight

SE wind 7 to 11 kt becoming NNE after midnight. Periods of rain and possibly a thunderstorm before 2am, then a chance of rain. Seas 1 ft or less.

Monday

NE wind 12 to 17 kt. A slight chance of rain before 8am. Seas around 1 ft.

Monday Night

ENE wind 11 to 16 kt. A chance of showers after 2am. Seas 1 ft or less.

Tuesday

ENE wind 14 to 18 kt, with gusts as high as 24 kt. A chance of showers. Seas around 1 ft.

Tuesday Night

ENE wind 18 to 20 kt, with gusts as high as 28 kt. Mostly cloudy. Seas around 1 ft.

Wednesday

ENE wind around 20 kt, with gusts as high as 30 kt. Mostly cloudy. Seas around 1 ft.

Wednesday Night

NE wind around 20 kt, with gusts as high as 31 kt. Mostly cloudy. Seas around 1 ft.

Thursday

NE wind around 19 kt, with gusts as high as 30 kt. A chance of showers. Seas around 1 ft.

Winds and seas may be higher in and near tstms.

*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.