For More Weather Information:

5NM SSE Islip NY

[NOTICE]

Last Update: 7:42 am EST Dec 7, 2025
Forecast Valid: 10am 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 WSW 5 to 10 kt in the afternoon. Partly sunny. Seas 1 ft or less.

Tonight

W wind 13 to 16 kt becoming NW 17 to 20 kt after midnight. Winds could gust as high as 26 kt. Partly cloudy. Seas 1 ft or less.

Monday

N wind 20 to 23 kt decreasing to 17 to 20 kt in the afternoon. Winds could gust as high as 29 kt. Mostly sunny. Seas around 1 ft.

Monday Night

N wind 13 to 16 kt decreasing to 7 to 10 kt after midnight. Partly cloudy. Seas 1 ft or less.

Tuesday

Variable winds less than 5 kt becoming SSW 12 to 17 kt in the morning. Increasing clouds. Seas 1 ft or less.

Tuesday Night

WSW wind 19 to 24 kt. Mostly cloudy. Seas around 1 ft.

Wednesday

SSW wind 17 to 20 kt increasing to 23 to 26 kt in the afternoon. Winds could gust as high as 32 kt. A chance of rain. Seas around 1 ft.

Wednesday Night

SW wind 22 to 25 kt becoming W after midnight. A chance of rain. Seas around 1 ft.

Thursday

WNW wind 17 to 21 kt. Partly 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.