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12NM NW Islip NY

[NOTICE]

Last Update: 1:12 am EST Jan 21, 2026
Forecast Valid: 5am EST Jan 21, 2026-6pm EST Jan 27, 2026

Today

WSW wind 6 to 9 kt becoming S 10 to 13 kt in the afternoon. Increasing clouds. Seas around 1 ft.

Tonight

SSW wind 14 to 16 kt. A chance of rain before 8pm, then a chance of snow between 8pm and 4am. Seas around 2 ft.

Thursday

WSW wind 13 to 16 kt. Mostly sunny. Seas around 2 ft.

Thursday Night

W wind 11 to 14 kt. Partly cloudy. Seas 1 to 2 ft.

Friday

W wind 10 to 13 kt increasing to 16 to 19 kt in the afternoon. Partly sunny. Seas 1 ft building to 3 ft.

Friday Night

NW wind 17 to 22 kt. Partly cloudy. Seas 2 to 3 ft.

Saturday

NNW wind 10 to 14 kt. Partly sunny. Seas 1 to 2 ft.

Saturday Night

N wind around 10 kt. A chance of snow. Seas around 1 ft.

Sunday

NE wind 12 to 14 kt. Snow likely. Seas 1 to 2 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.