For More Weather Information:

15NM SW Islip NY

[NOTICE]

Last Update: 12:54 am EST Jan 1, 2026
Forecast Valid: 3am EST Jan 1, 2026-6pm EST Jan 7, 2026

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM EST EARLY THIS

New Year's Day

WNW wind 23 to 27 kt, with gusts as high as 34 kt. Snow likely before 7am. Seas around 5 ft.

Thursday Night

W wind 17 to 20 kt. Increasing clouds. Seas 3 to 4 ft.

Friday

W wind around 18 kt. Partly sunny. Seas around 3 ft.

Friday Night

WNW wind around 17 kt. Partly cloudy. Seas around 3 ft.

Saturday

WNW wind 9 to 14 kt. Partly sunny. Seas around 2 ft.

Saturday Night

WNW wind 6 to 8 kt becoming N after midnight. Cloudy. Seas 1 to 2 ft.

Sunday

NNW wind 9 to 12 kt increasing to 12 to 15 kt in the afternoon. Mostly cloudy, then gradually becoming sunny. Seas 1 to 2 ft.

Sunday Night

NW wind 14 to 16 kt. Partly cloudy. Seas around 2 ft.

Monday

NW wind 7 to 12 kt becoming W in the afternoon. 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.