For More Weather Information:

10NM E Islip NY

[NOTICE]

Last Update: 12:58 pm EST Dec 4, 2025
Forecast Valid: 1pm EST Dec 4, 2025-6pm EST Dec 10, 2025

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

This Afternoon

WNW wind 18 to 20 kt, with gusts as high as 26 kt. Mostly cloudy, then gradually becoming sunny. Seas around 1 ft.

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.

*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.