For More Weather Information:

15NM SW Islip NY

[NOTICE]

Last Update: 3:44 am EDT May 26, 2026
Forecast Valid: 7am EDT May 26, 2026-6pm EDT Jun 1, 2026

Today

Variable winds less than 5 kt becoming S 5 to 7 kt in the afternoon. Patchy fog before 8am. Seas 3 to 4 ft.

Tonight

SW wind 7 to 10 kt. Mostly cloudy. Seas around 3 ft.

Wednesday

SW wind 7 to 12 kt. A chance of showers before 11am. Seas around 3 ft.

Wednesday Night

SW wind 8 to 11 kt becoming NNW after midnight. A slight chance of showers and thunderstorms before 11pm. Seas 2 to 3 ft.

Thursday

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

Thursday Night

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

Friday

NW wind 7 to 10 kt becoming SSW 10 to 13 kt in the afternoon. Mostly sunny. Seas around 2 ft.

Friday Night

SW wind around 14 kt becoming NW after midnight. Partly cloudy. Seas around 3 ft.

Saturday

NNW wind 12 to 14 kt becoming N in the afternoon. Mostly sunny. Seas 2 to 3 ft.

Winds and seas may be higher in and near tstms.

*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.