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12NM NW Islip NY

[NOTICE]

Last Update: 3:44 pm EDT Jul 29, 2026
Forecast Valid: 3pm EDT Jul 29, 2026-6pm EDT Aug 5, 2026

This Afternoon

WNW wind around 6 kt. A chance of showers and thunderstorms. Seas 1 ft or less.

Tonight

NW wind around 7 kt. A chance of showers and thunderstorms. Seas 1 ft or less.

Thursday

N wind 8 to 10 kt. A chance of showers, with thunderstorms also possible after 11am. Seas 1 ft or less.

Thursday Night

N wind 6 to 8 kt becoming NNW after midnight. Mostly cloudy, then gradually becoming clear. Seas 1 ft or less.

Friday

NNW wind around 6 kt becoming variable and less than 5 kt in the morning. Sunny. Seas 1 ft or less.

Friday Night

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

Saturday

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

Saturday Night

S wind 5 to 7 kt. Mostly cloudy. Seas 1 ft or less.

Sunday

S wind 5 to 8 kt. Mostly 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.