For More Weather Information:

12NM NW Islip NY

[NOTICE]

Last Update: 1:50 pm EST Dec 31, 2025
Forecast Valid: 7pm EST Dec 31, 2025-6pm EST Jan 7, 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM 1 AM EST THURSDAY THROUGH

Tonight

SW wind 12 to 15 kt increasing to 16 to 19 kt after midnight. Increasing clouds. Seas 1 ft or less.

New Year's Day

WNW wind 21 to 23 kt. A chance of snow showers before 10am. Seas 1 to 2 ft.

Thursday Night

W wind 12 to 17 kt. Partly cloudy. Seas around 1 ft.

Friday

W wind around 13 kt. Mostly sunny. Seas around 1 ft.

Friday Night

W wind around 11 kt. Partly cloudy. Seas 1 ft or less.

Saturday

W wind 5 to 9 kt. Increasing clouds. Seas 1 ft or less.

Saturday Night

Variable winds 5 kt or less. Mostly cloudy. Seas 1 ft or less.

Sunday

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

Sunday Night

NW wind around 9 kt. Mostly clear. 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.