For More Weather Information:

10NM E Islip NY

[NOTICE]

Last Update: 2:14 pm EST Dec 4, 2025
Forecast Valid: 7pm EST Dec 4, 2025-6pm EST Dec 11, 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL MIDNIGHT EST TONIGHT...

Tonight

NW wind 20 to 25 kt becoming N 9 to 12 kt. Partly cloudy. Seas 1 ft or less.

Friday

Variable winds less than 5 kt becoming SSE 5 to 7 kt in the afternoon. Increasing clouds. Seas 1 ft or less.

Friday Night

Variable winds 5 kt or less. A chance of rain and snow before 1am, then a chance of rain. Seas 1 ft or less.

Saturday

Variable winds less than 5 kt becoming WSW 5 to 9 kt in the morning. A slight chance of rain before 1pm. Seas 1 ft or less.

Saturday Night

W wind 8 to 10 kt becoming NW after midnight. Mostly cloudy, then gradually becoming mostly clear. Seas 1 ft or less.

Sunday

NNW wind around 7 kt becoming W in the afternoon. Partly sunny. Seas 1 ft or less.

Sunday Night

W wind 6 to 9 kt becoming WNW 12 to 15 kt after midnight. Mostly cloudy. Seas 1 ft or less.

Monday

NNW wind 19 to 21 kt, with gusts as high as 27 kt. Mostly sunny. Seas around 1 ft.

Monday Night

N wind 15 to 18 kt decreasing to 9 to 12 kt after midnight. 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.