For More Weather Information:

12NM NW Islip NY

[NOTICE]

Last Update: 2:38 pm EDT Aug 10, 2026
Forecast Valid: 7pm EDT Aug 10, 2026-6pm EDT Aug 17, 2026

Tonight

WSW wind around 7 kt. A chance of showers and thunderstorms, mainly before 11pm. Seas 1 ft or less.

Tuesday

W wind around 7 kt. Mostly sunny. Seas 1 ft or less.

Tuesday Night

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

Wednesday

Variable winds 5 kt or less. A slight chance of showers before 8am. Seas 1 ft or less.

Wednesday Night

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

Thursday

Variable winds less than 5 kt becoming SW around 6 kt in the afternoon. A chance of showers after 2pm. Seas 1 ft or less.

Thursday Night

SW wind 5 to 7 kt becoming NW after midnight. A chance of showers before 8pm. Seas 1 ft or less.

Friday

NW wind 6 to 8 kt. Mostly sunny. Seas 1 ft or less.

Friday Night

N wind around 9 kt. Mostly clear. Seas 1 ft or less.

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.