For More Weather Information:

15NM SW Islip NY

[NOTICE]

Last Update: 11:27 am EDT May 25, 2026
Forecast Valid: 1pm EDT May 25, 2026-6pm EDT May 31, 2026

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 PM EDT THIS EVENING...

Memorial Day

SW wind around 8 kt. A slight chance of showers before 2pm. Seas around 4 ft.

Tonight

SSW wind 5 to 7 kt becoming variable and less than 5 kt after midnight. Mostly cloudy. Seas around 4 ft.

Tuesday

Variable winds less than 5 kt becoming SSW around 6 kt in the afternoon. Partly sunny. Seas 3 to 4 ft.

Tuesday Night

SSW wind around 10 kt. Mostly cloudy. Seas around 3 ft.

Wednesday

WSW wind 8 to 12 kt. Partly sunny. Seas around 3 ft.

Wednesday Night

WSW wind around 11 kt becoming NNW after midnight. Mostly cloudy. Seas around 3 ft.

Thursday

NNW wind 9 to 11 kt. Mostly sunny. Seas 2 to 3 ft.

Thursday Night

N wind around 9 kt. Mostly clear. Seas around 2 ft.

Friday

NW wind 6 to 9 kt becoming SSW 9 to 12 kt in the afternoon. Mostly 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.