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12NM NW Islip NY

[NOTICE]

Last Update: 2:00 pm EDT Aug 1, 2026
Forecast Valid: 4pm EDT Aug 1, 2026-6pm EDT Aug 8, 2026

Tonight

S wind 7 to 9 kt. Mostly cloudy. Seas 1 ft or less.

Sunday

S wind 7 to 11 kt. A slight chance of showers and thunderstorms after 5pm. Seas 1 ft or less.

Sunday Night

SSE wind 7 to 9 kt. A slight chance of showers and thunderstorms, then showers and possibly a thunderstorm after 8pm. Seas 1 ft or less.

Monday

SSW wind around 10 kt. Showers and possibly a thunderstorm. Seas 1 ft or less.

Monday Night

SSW wind 5 to 7 kt becoming W after midnight. A chance of showers and thunderstorms. Seas 1 ft or less.

Tuesday

Variable winds 5 kt or less. A chance of showers after 2pm. Seas 1 ft or less.

Tuesday Night

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

Wednesday

Variable winds less than 5 kt becoming S 5 to 7 kt in the afternoon. A chance of showers. Seas 1 ft or less.

Wednesday Night

SSW wind around 8 kt. A chance of showers. 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.