For More Weather Information:

5NM SSE Islip NY

[NOTICE]

Last Update: 5:54 pm EST Dec 10, 2025
Forecast Valid: 6pm EST Dec 10, 2025-6pm EST Dec 17, 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 5 AM EST THURSDAY...

Tonight

SW wind 22 to 27 kt becoming W after midnight. Rain, mainly between 7pm and 10pm. Seas around 1 ft.

Thursday

WNW wind 25 to 27 kt, with gusts as high as 38 kt. A slight chance of snow showers after 1pm. Seas around 1 ft.

Thursday Night

W wind 28 to 31 kt decreasing to 25 to 28 kt after midnight. Winds could gust as high as 39 kt. Partly cloudy. Seas around 1 ft.

Friday

W wind 16 to 21 kt, with gusts as high as 27 kt. Mostly sunny. Seas around 1 ft.

Friday Night

W wind 9 to 12 kt. Partly cloudy. Seas 1 ft or less.

Saturday

W wind 10 to 13 kt increasing to 14 to 17 kt in the afternoon. Partly sunny. Seas 1 ft or less.

Saturday Night

W wind 16 to 18 kt. A chance of snow after 1am. Seas around 1 ft.

Sunday

WNW wind 15 to 18 kt increasing to 21 to 24 kt in the afternoon. A chance of snow. Seas around 1 ft.

Sunday Night

NW wind 24 to 29 kt. Partly cloudy. 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.