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12NM NW Islip NY

[NOTICE]

Last Update: 2:33 am EDT Sep 4, 2026
Forecast Valid: 2am EDT Sep 4, 2026-6pm EDT Sep 10, 2026

Friday

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

Friday Night

NNW wind 5 to 8 kt. Partly cloudy. Seas 1 ft or less.

Saturday

N wind 5 to 8 kt. Sunny. Seas 1 ft or less.

Saturday Night

NE wind 7 to 9 kt. Isolated showers before 2am. Seas 1 ft or less.

Sunday

NE wind 5 to 9 kt becoming variable and less than 5 kt in the afternoon. Mostly sunny. Seas 1 ft or less.

Sunday Night

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

Labor Day

Variable winds 5 kt or less. Sunny. Seas 1 ft or less.

Monday Night

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

Tuesday

Variable winds 5 kt or less. Sunny. 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.