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9NM SW Islip NY

[NOTICE]

Last Update: 12:58 pm EST Feb 23, 2026
Forecast Valid: 5pm EST Feb 23, 2026-6pm EST Mar 2, 2026

...GALE WARNING IN EFFECT UNTIL 1 AM EST TUESDAY...

Tonight

NW wind 18 to 21 kt decreasing to 14 to 17 kt after midnight. Winds could gust as high as 30 kt. Patchy blowing snow. Seas 1 ft or less.

Tuesday

WNW wind 11 to 14 kt, with gusts as high as 22 kt. Mostly sunny. Seas 1 ft or less.

Tuesday Night

WSW wind 7 to 10 kt becoming S 10 to 13 kt after midnight. Winds could gust as high as 21 kt. A chance of snow showers after 1am. Seas 1 ft or less.

Wednesday

SW wind 13 to 15 kt, with gusts as high as 24 kt. Snow likely, mixing with rain after 10am, then gradually ending. Seas 1 ft or less.

Wednesday Night

SW wind 10 to 12 kt becoming W after midnight. Partly cloudy. Seas 1 ft or less.

Thursday

W wind around 8 kt becoming SE in the afternoon. A chance of rain and snow after 1pm. Seas 1 ft or less.

Thursday Night

ESE wind around 10 kt becoming N after midnight. Snow likely, mainly before 1am. Seas 1 ft or less.

Friday

NW wind 7 to 9 kt. Mostly sunny. Seas 1 ft or less.

Friday Night

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

*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.