For More Weather Information:

15NM SW Islip NY

[NOTICE]

Last Update: 12:59 pm EST Feb 26, 2026
Forecast Valid: 1pm EST Feb 26, 2026-6pm EST Mar 4, 2026

This Afternoon

N wind around 6 kt becoming variable and less than 5 kt. A slight chance of rain and snow showers. Seas around 4 ft.

Tonight

Variable winds less than 5 kt becoming NNE 5 to 7 kt in the evening. Mostly cloudy, then gradually becoming mostly clear. Seas 2 to 3 ft.

Friday

NE wind around 6 kt becoming variable and less than 5 kt. Sunny. Seas around 3 ft.

Friday Night

S wind 6 to 8 kt. Mostly clear. Seas 2 to 3 ft.

Saturday

SSW wind 6 to 8 kt. Sunny. Seas around 2 ft.

Saturday Night

WSW wind 5 to 9 kt becoming N after midnight. Partly cloudy. Seas around 2 ft.

Sunday

NNW wind 10 to 13 kt. Partly sunny. Seas 2 to 3 ft.

Sunday Night

N wind 14 to 16 kt. Partly cloudy. Seas 2 to 3 ft.

Monday

NNE wind 9 to 13 kt. A chance of snow. 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.