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12NM NW Islip NY

[NOTICE]

Last Update: 5:43 pm EST Feb 25, 2026
Forecast Valid: 7pm EST Feb 25, 2026-6pm EST Mar 4, 2026

Tonight

SSW wind 6 to 9 kt becoming W after midnight. Mostly clear. Seas around 1 ft.

Thursday

Variable winds 5 kt or less. A slight chance of snow after 4pm. Seas around 1 ft.

Thursday Night

Variable winds 5 kt or less. A slight chance of snow before 7pm. Seas 1 ft or less.

Friday

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

Friday Night

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

Saturday

Variable winds less than 5 kt becoming SW around 6 kt in the morning. Mostly sunny. Seas 1 ft or less.

Saturday Night

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

Sunday

NW wind 6 to 9 kt increasing to 10 to 13 kt in the afternoon. Mostly cloudy. Seas 1 ft or less.

Sunday Night

NNW wind 11 to 14 kt becoming N after midnight. Partly cloudy. Seas around 1 ft.

*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.