For More Weather Information:

19NM WSW Islip NY

[NOTICE]

Last Update: 9:51 am EST Feb 25, 2026
Forecast Valid: 12pm EST Feb 25, 2026-6pm EST Mar 3, 2026

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

This Afternoon

SW wind 15 to 17 kt, with gusts as high as 24 kt. Mostly cloudy, then gradually becoming sunny. Seas around 4 ft.

Tonight

SW wind 11 to 14 kt becoming WNW after midnight. Partly cloudy. Seas around 4 ft.

Thursday

WNW wind 6 to 10 kt. A chance of snow after 1pm. Seas around 3 ft.

Thursday Night

WNW wind around 6 kt becoming N after midnight. A slight chance of snow. Seas 2 to 3 ft.

Friday

N wind around 6 kt becoming SSW in the afternoon. Mostly sunny. Seas 2 to 3 ft.

Friday Night

S wind around 6 kt. Partly cloudy. Seas around 2 ft.

Saturday

SSW wind around 7 kt. Mostly sunny. Seas around 2 ft.

Saturday Night

WSW wind 5 to 8 kt becoming NNW after midnight. Partly cloudy. Seas around 2 ft.

Sunday

NW wind 9 to 11 kt. Partly sunny. Seas around 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.