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15NM SW Islip NY

[NOTICE]

Last Update: 3:10 pm EDT May 2, 2026
Forecast Valid: 11pm EDT May 2, 2026-6pm EDT May 9, 2026

Overnight

N wind 7 to 10 kt increasing to 10 to 13 kt after midnight. A slight chance of showers before 2am. Seas around 2 ft.

Sunday

NW wind around 14 kt, with gusts as high as 21 kt. Sunny. Seas 3 to 4 ft.

Sunday Night

W wind 9 to 13 kt becoming WSW after midnight. Mostly clear. Seas 3 to 4 ft.

Monday

SSW wind 15 to 18 kt, with gusts as high as 25 kt. Sunny. Seas 4 to 5 ft.

Monday Night

SSW wind 16 to 19 kt, with gusts as high as 25 kt. Mostly clear. Seas around 5 ft.

Tuesday

SSW wind 14 to 19 kt increasing to 20 to 25 kt in the afternoon. Mostly sunny. Seas 4 ft building to 7 ft.

Tuesday Night

SSW wind 30 to 33 kt, with gusts as high as 39 kt. Mostly cloudy. Seas 8 to 9 ft.

Wednesday

SSW wind around 28 kt, with gusts as high as 34 kt. A chance of showers. Seas around 8 ft.

Wednesday Night

SSW wind 21 to 25 kt. Showers likely. Seas 6 to 7 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.