For More Weather Information:

19NM WSW Islip NY

[NOTICE]

Last Update: 7:32 pm EST Dec 30, 2025
Forecast Valid: 8pm EST Dec 30, 2025-6pm EST Jan 6, 2026

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

Tonight

W wind 22 to 25 kt decreasing to 19 to 22 kt after midnight. Mostly cloudy. Seas 5 ft subsiding to 3 ft.

Wednesday

WSW wind around 17 kt. Partly sunny. Seas around 3 ft.

Wednesday Night

WSW wind 15 to 19 kt, with gusts as high as 26 kt. Snow likely, mainly after 1am. Seas around 3 ft.

New Year's Day

WNW wind 18 to 21 kt, with gusts as high as 27 kt. A slight chance of snow before 1pm. Seas around 3 ft.

Thursday Night

WNW wind 13 to 18 kt. Partly cloudy. Seas around 2 ft.

Friday

WSW wind 13 to 15 kt, with gusts as high as 21 kt. Partly sunny. Seas 2 to 3 ft.

Friday Night

W wind around 14 kt becoming WNW after midnight. Partly cloudy. Seas around 2 ft.

Saturday

WNW wind around 13 kt. Mostly sunny. Seas around 2 ft.

Saturday Night

NW wind 9 to 11 kt. Partly cloudy. Seas 1 to 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.