For More Weather Information:

13NM NW Islip NY

[NOTICE]

Last Update: 6:27 am EST Dec 7, 2025
Forecast Valid: 6am EST Dec 7, 2025-6pm EST Dec 13, 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH

Today

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

Tonight

WSW wind 10 to 15 kt becoming NW 18 to 23 kt. Partly cloudy. Seas 1 ft or less.

Monday

N wind 19 to 24 kt decreasing to 14 to 19 kt in the afternoon. Mostly sunny. Seas 1 to 2 ft.

Monday Night

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

Tuesday

Variable winds less than 5 kt becoming SSW 7 to 12 kt in the morning. Increasing clouds. Seas 1 ft or less.

Tuesday Night

SW wind 14 to 17 kt. Mostly cloudy. Seas around 1 ft.

Wednesday

SSW wind 12 to 17 kt. A chance of rain. Seas around 1 ft.

Wednesday Night

SW wind 17 to 19 kt. A chance of rain. Seas around 1 ft.

Thursday

WNW wind 13 to 17 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.