For More Weather Information:

5NM SSE Islip NY

[NOTICE]

Last Update: 12:37 am EST Nov 21, 2025
Forecast Valid: 5am EST Nov 21, 2025-6pm EST Nov 27, 2025

Today

Variable winds less than 5 kt becoming WSW 7 to 12 kt in the morning. Mostly cloudy. Seas around 1 ft.

Tonight

WSW wind 5 to 9 kt becoming NNW after midnight. Rain likely, mainly after 1am. Seas around 1 ft.

Saturday

NNW wind 9 to 12 kt. A chance of rain before 1pm. Seas around 1 ft.

Saturday Night

N wind 9 to 12 kt. Partly cloudy. Seas around 1 ft.

Sunday

NW wind 6 to 9 kt becoming W 9 to 12 kt in the afternoon. Mostly sunny. Seas around 1 ft.

Sunday Night

WNW wind around 13 kt. Partly cloudy. Seas 1 to 2 ft.

Monday

WNW wind 11 to 13 kt. Sunny. Seas 1 ft or less.

Monday Night

W wind around 7 kt becoming S after midnight. Mostly cloudy. Seas 1 ft or less.

Tuesday

SSE wind 7 to 10 kt increasing to 10 to 13 kt in the afternoon. A chance of rain. 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.