For More Weather Information:

18NM WSW Islip NY

[NOTICE]

Last Update: 1:22 pm EST Feb 2, 2026
Forecast Valid: 9pm EST Feb 2, 2026-6pm EST Feb 9, 2026

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

Tonight

WNW wind 7 to 11 kt. Mostly clear. Seas 1 ft or less.

Tuesday

WNW wind 6 to 9 kt becoming WSW in the afternoon. Mostly sunny. Seas 1 ft or less.

Tuesday Night

WSW wind 6 to 8 kt becoming NW after midnight. Mostly cloudy. Seas 1 ft or less.

Wednesday

NW wind 8 to 10 kt. Mostly cloudy, then gradually becoming sunny. Seas 1 ft or less.

Wednesday Night

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

Thursday

NW wind 8 to 10 kt. Mostly sunny. Seas 1 ft or less.

Thursday Night

NW wind around 8 kt. Partly cloudy. Seas 1 ft or less.

Friday

W wind 8 to 12 kt becoming WSW in the afternoon. A chance of snow. Seas 1 ft or less.

Friday Night

WSW wind 12 to 15 kt becoming WNW 18 to 21 kt after midnight. A chance of snow. 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.