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12NM NW Islip NY

[NOTICE]

Last Update: 2:56 pm EST Nov 11, 2026
Forecast Valid: 3pm EST Nov 11, 2026-6pm EST Nov 18, 2026

Veterans Day

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

Tonight

Variable winds less than 5 kt becoming E 5 to 8 kt after midnight. Increasing clouds. Seas 1 ft or less.

Thursday

E wind 11 to 13 kt, with gusts as high as 20 kt. Showers, mainly after noon. Seas 1 to 2 ft.

Thursday Night

NE wind 14 to 17 kt becoming NNE 17 to 20 kt after midnight. Winds could gust as high as 26 kt. Rain, mainly after 1am. Seas around 2 ft.

Friday

N wind 17 to 20 kt decreasing to 14 to 17 kt in the afternoon. Winds could gust as high as 28 kt. Rain, mainly before 4pm. Seas around 2 ft.

Friday Night

NNW wind around 14 kt. A chance of rain before 7pm. Seas 1 to 2 ft.

Saturday

NW wind around 14 kt, with gusts as high as 20 kt. Partly sunny. Seas around 2 ft.

Saturday Night

NW wind 10 to 12 kt. Partly cloudy. Seas around 1 ft.

Sunday

WNW wind 9 to 11 kt. Mostly sunny. 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.