For More Weather Information:

13NM NW Islip NY

[NOTICE]

Last Update: 4:40 pm EST Dec 6, 2025
Forecast Valid: 4pm EST Dec 6, 2025-6pm EST Dec 13, 2025

Tonight

WSW wind 7 to 11 kt becoming NW after midnight. Partly cloudy. Seas 1 ft or less.

Sunday

Variable winds less than 5 kt becoming SW around 6 kt in the afternoon. Partly sunny. Seas 1 ft or less.

Sunday Night

SW wind 9 to 12 kt becoming NW 14 to 17 kt after midnight. Partly cloudy. Seas 1 ft or less.

Monday

N wind 15 to 19 kt. Mostly sunny. Seas 1 ft or less.

Monday Night

N wind 10 to 13 kt decreasing to 6 to 9 kt after midnight. Partly cloudy. Seas 1 ft or less.

Tuesday

N wind 5 to 8 kt becoming SSW 9 to 12 kt in the afternoon. Increasing clouds. Seas 1 ft or less.

Tuesday Night

SW wind 12 to 14 kt, with gusts as high as 20 kt. Mostly cloudy. Seas 1 ft or less.

Wednesday

SSW wind 11 to 14 kt, with gusts as high as 20 kt. A chance of rain. Seas 1 ft or less.

Wednesday Night

WSW wind around 15 kt, with gusts as high as 21 kt. A chance of rain. 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.