For More Weather Information:

11NM ESE Islip NY

[NOTICE]

Last Update: 11:30 am EST Nov 19, 2025
Forecast Valid: 12pm EST Nov 19, 2025-6pm EST Nov 25, 2025

This Afternoon

NNE wind around 9 kt. Partly sunny. Seas around 1 ft.

Tonight

NNE wind 5 to 8 kt. Increasing clouds. Seas around 1 ft.

Thursday

NNE wind 5 to 7 kt becoming variable and less than 5 kt in the afternoon. Partly sunny. Seas 1 ft or less.

Thursday Night

Variable winds 5 kt or less. Increasing clouds. Seas 1 ft or less.

Friday

SW wind 6 to 9 kt increasing to 10 to 13 kt in the afternoon. A slight chance of rain after 1pm. Seas 1 to 2 ft.

Friday Night

SW wind 10 to 12 kt becoming NW after midnight. A chance of rain. Seas around 1 ft.

Saturday

N wind 10 to 12 kt. A chance of rain. Seas around 1 ft.

Saturday Night

N wind 8 to 11 kt. Partly cloudy. Seas 1 ft or less.

Sunday

N wind 7 to 9 kt becoming WSW in the afternoon. Mostly sunny. 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.