For More Weather Information:

15NM SW Islip NY

[NOTICE]

Last Update: 1:00 am EST Nov 12, 2025
Forecast Valid: 11am EST Nov 12, 2025-6pm EST Nov 18, 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY AFTERNOON...

Today

W wind around 24 kt. Partly sunny. Seas around 5 ft.

Tonight

W wind 23 to 25 kt. Partly cloudy. Seas 5 to 6 ft.

Thursday

WNW wind around 22 kt. Mostly sunny. Seas 4 to 5 ft.

Thursday Night

WNW wind 19 to 21 kt. Mostly clear. Seas 3 to 4 ft.

Friday

WNW wind around 19 kt. Mostly sunny. Seas around 3 ft.

Friday Night

NW wind around 17 kt. Mostly clear. Seas around 2 ft.

Saturday

NNW wind 11 to 13 kt becoming W in the afternoon. Mostly sunny. Seas around 2 ft.

Saturday Night

W wind 12 to 17 kt becoming SSW after midnight. A chance of rain. Seas around 2 ft.

Sunday

SW wind 20 to 24 kt becoming WNW in the afternoon. Rain likely. Seas 3 to 4 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.