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12NM NW Islip NY

[NOTICE]

Last Update: 2:12 am EDT Aug 3, 2026
Forecast Valid: 5am EDT Aug 3, 2026-6pm EDT Aug 9, 2026

Today

SSW wind 13 to 18 kt. Showers and possibly a thunderstorm. Seas 1 ft or less.

Tonight

WSW wind 7 to 9 kt becoming N after midnight. A slight chance of showers before 11pm. Seas 1 ft or less.

Tuesday

Variable winds 5 kt or less. Increasing clouds. Seas 1 ft or less.

Tuesday Night

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

Wednesday

Variable winds 5 kt or less. A chance of showers, with thunderstorms also possible after 2pm. Seas 1 ft or less.

Wednesday Night

SSW wind around 6 kt. Mostly cloudy. Seas 1 ft or less.

Thursday

SSW wind 5 to 9 kt. A chance of showers after 2pm. Seas 1 ft or less.

Thursday Night

SW wind 7 to 10 kt. A chance of showers. Seas 1 ft or less.

Friday

SW wind around 7 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.