For More Weather Information:

5NM SSE Islip NY

[NOTICE]

Last Update: 1:09 pm EST Nov 21, 2025
Forecast Valid: 1pm EST Nov 21, 2025-6pm EST Nov 27, 2025

This Afternoon

WSW wind around 13 kt. Cloudy. Seas around 1 ft.

Tonight

WSW wind 5 to 9 kt becoming NW after midnight. Showers likely, mainly after 4am. Seas 1 ft or less.

Saturday

N wind 7 to 12 kt. Showers, mainly before 10am. Seas 1 ft or less.

Saturday Night

N wind 7 to 11 kt. Partly cloudy. Seas 1 ft or less.

Sunday

NW wind 5 to 8 kt becoming WSW 11 to 14 kt in the morning. Mostly sunny. Seas 1 ft or less.

Sunday Night

W wind 14 to 16 kt becoming WNW after midnight. Partly cloudy. Seas around 1 ft.

Monday

NW wind 10 to 14 kt. Sunny. Seas 1 ft or less.

Monday Night

WNW wind around 6 kt becoming SSW after midnight. Mostly cloudy. Seas 1 ft or less.

Tuesday

S wind 7 to 10 kt increasing to 11 to 14 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.