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15NM SW Islip NY

[NOTICE]

Last Update: 2:32 pm EDT May 31, 2026
Forecast Valid: 9pm EDT May 31, 2026-6pm EDT Jun 7, 2026

Tonight

SW wind 5 to 8 kt becoming NNE after midnight. Mostly cloudy. Seas 3 to 4 ft.

Monday

N wind 5 to 8 kt becoming ESE 10 to 13 kt in the afternoon. Mostly sunny. Seas 2 to 3 ft.

Monday Night

E wind 11 to 16 kt decreasing to 5 to 10 kt after midnight. Mostly clear. Seas 2 to 3 ft.

Tuesday

N wind 5 to 10 kt becoming S in the afternoon. Sunny. Seas around 2 ft.

Tuesday Night

S wind 6 to 8 kt becoming NW after midnight. Partly cloudy. Seas around 2 ft.

Wednesday

Variable winds less than 5 kt becoming SSE 5 to 9 kt in the afternoon. Sunny. Seas around 2 ft.

Wednesday Night

SSE wind 5 to 9 kt becoming SW after midnight. Mostly clear. Seas around 2 ft.

Thursday

WNW wind 5 to 8 kt becoming S 8 to 11 kt in the afternoon. Sunny. Seas around 2 ft.

Thursday Night

S wind 8 to 12 kt becoming WSW after midnight. Mostly clear. Seas around 3 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.