For More Weather Information:

15NM SW Islip NY

[NOTICE]

Last Update: 10:12 pm EDT May 3, 2026
Forecast Valid: 11pm EDT May 3, 2026-6pm EDT May 10, 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY MORNING THROUGH

Overnight

WSW wind 11 to 14 kt. Partly cloudy. Seas 3 to 4 ft.

Monday

SSW wind 15 to 18 kt, with gusts as high as 24 kt. Sunny. Seas around 4 ft.

Monday Night

SSW wind around 18 kt. Mostly clear. Seas 4 to 5 ft.

Tuesday

S wind 15 to 18 kt increasing to 19 to 22 kt in the afternoon. Winds could gust as high as 29 kt. Mostly sunny. Seas 4 ft building to 6 ft.

Tuesday Night

SSW wind 27 to 30 kt. Mostly cloudy. Seas around 8 ft.

Wednesday

SSW wind 26 to 29 kt. Showers. Seas 7 to 8 ft.

Wednesday Night

SSW wind 16 to 21 kt becoming NW 11 to 16 kt after midnight. Showers. Seas 6 ft subsiding to 4 ft.

Thursday

N wind 7 to 9 kt. Showers likely. Seas around 4 ft.

Thursday Night

NW wind 10 to 15 kt. A chance of showers. Seas 4 to 5 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.