For More Weather Information:

15NM SW Islip NY

[NOTICE]

Last Update: 10:39 am EDT May 27, 2026
Forecast Valid: 2pm EDT May 27, 2026-6pm EDT Jun 2, 2026

This Afternoon

SW wind around 12 kt. Mostly cloudy. Seas around 3 ft.

Tonight

WSW wind 10 to 13 kt becoming NNW after midnight. A slight chance of showers between 8pm and 11pm. Seas 2 to 3 ft.

Thursday

NNW wind 7 to 9 kt. Mostly sunny. Seas around 2 ft.

Thursday Night

NNW wind around 10 kt. Mostly clear. Seas around 2 ft.

Friday

W wind 5 to 8 kt becoming SSW 11 to 14 kt in the afternoon. Sunny. Seas around 2 ft.

Friday Night

SW wind around 17 kt becoming W after midnight. Partly cloudy. Seas 3 to 4 ft.

Saturday

NW wind 13 to 17 kt. Mostly sunny. Seas 2 to 3 ft.

Saturday Night

NNE wind 11 to 14 kt becoming NNW after midnight. Partly cloudy. Seas around 2 ft.

Sunday

NNW wind 9 to 11 kt becoming WSW in the afternoon. Sunny. Seas around 2 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.