For More Weather Information:

12NM NW Islip NY

[NOTICE]

Last Update: 3:09 pm EDT Aug 6, 2026
Forecast Valid: 5pm EDT Aug 6, 2026-6pm EDT Aug 13, 2026

Tonight

SW wind 5 to 10 kt. A slight chance of showers and thunderstorms between 8pm and 11pm. Seas 1 ft or less.

Friday

Variable winds less than 5 kt becoming WSW 5 to 7 kt in the afternoon. A chance of showers and thunderstorms, mainly after 2pm. Seas 1 ft or less.

Friday Night

SW wind around 6 kt becoming variable and less than 5 kt after midnight. Showers and thunderstorms likely, mainly before 11pm. Seas 1 ft or less.

Saturday

SW wind 7 to 9 kt. A chance of showers and thunderstorms, mainly after 2pm. Seas 1 ft or less.

Saturday Night

SW wind around 8 kt. A chance of showers and thunderstorms, mainly before 8pm. Seas 1 ft or less.

Sunday

W wind around 6 kt. Sunny. Seas 1 ft or less.

Sunday Night

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

Monday

Variable winds less than 5 kt becoming SSW 5 to 9 kt in the afternoon. Sunny. Seas 1 ft or less.

Monday Night

SSW wind around 6 kt becoming WSW after midnight. Partly cloudy. 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.