For More Weather Information:

13NM NW Islip NY

[NOTICE]

Last Update: 5:30 pm EST Dec 2, 2025
Forecast Valid: 7pm EST Dec 2, 2025-6pm EST Dec 9, 2025

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

Tonight

N wind 16 to 19 kt becoming NNW in the evening. Cloudy during the early evening, then gradual clearing. Seas around 1 ft.

Wednesday

NNW wind 9 to 12 kt becoming WNW 5 to 8 kt in the afternoon. Sunny. Seas 1 ft or less.

Wednesday Night

WSW wind 6 to 9 kt increasing to 10 to 13 kt after midnight. Mostly clear. Seas 1 ft or less.

Thursday

WSW wind 13 to 16 kt becoming WNW 17 to 20 kt in the afternoon. Winds could gust as high as 26 kt. Partly sunny. Seas around 1 ft.

Thursday Night

NNW wind 17 to 22 kt decreasing to 9 to 14 kt. Mostly clear. Seas around 1 ft.

Friday

N wind around 7 kt becoming SSW in the morning. Increasing clouds. Seas 1 ft or less.

Friday Night

WSW wind around 7 kt becoming N after midnight. A chance of snow before 1am, then a chance of rain and snow. Seas 1 ft or less.

Saturday

N wind 6 to 8 kt becoming W in the afternoon. A chance of rain before 1pm. Seas 1 ft or less.

Saturday Night

W wind around 10 kt. Partly cloudy. 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.