For More Weather Information:

5NM SSE Islip NY

[NOTICE]

Last Update: 1:19 am EST Dec 1, 2025
Forecast Valid: 7am EST Dec 1, 2025-6pm EST Dec 7, 2025

Today

NNW wind 16 to 19 kt decreasing to 11 to 14 kt in the afternoon. Sunny. Seas 1 ft or less.

Tonight

N wind 5 to 8 kt becoming SSE after midnight. Increasing clouds. Seas 1 ft or less.

Tuesday

SSE wind 9 to 12 kt becoming NNE 15 to 18 kt in the afternoon. Rain. Seas 1 ft or less.

Tuesday Night

NNW wind 20 to 23 kt. A chance of rain before 1am. Seas around 1 ft.

Wednesday

NNW wind 13 to 16 kt decreasing to 8 to 11 kt in the afternoon. Sunny. Seas 1 ft or less.

Wednesday Night

WSW wind 6 to 11 kt increasing to 11 to 16 kt after midnight. Partly cloudy. Seas 1 ft or less.

Thursday

WSW wind 16 to 19 kt becoming WNW 19 to 22 kt in the afternoon. Winds could gust as high as 29 kt. Partly sunny. Seas around 2 ft.

Thursday Night

NNW wind 19 to 24 kt decreasing to 13 to 18 kt after midnight. Winds could gust as high as 31 kt. Partly cloudy. Seas 1 to 2 ft.

Friday

NNW wind 8 to 10 kt becoming SW in the afternoon. 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.