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15NM SW Islip NY

[NOTICE]

Last Update: 3:35 am EDT May 1, 2026
Forecast Valid: 11am EDT May 1, 2026-6pm EDT May 7, 2026

Today

W wind 8 to 10 kt becoming SSW in the afternoon. Sunny. Seas around 3 ft.

Tonight

SSW wind 11 to 14 kt. A chance of showers, mainly after 5am. Seas 3 to 4 ft.

Saturday

SW wind around 8 kt. A chance of rain, mainly after 2pm. Seas 2 to 3 ft.

Saturday Night

E wind 7 to 10 kt becoming N 10 to 13 kt after midnight. A chance of rain. Seas around 2 ft.

Sunday

WNW wind around 17 kt. Mostly sunny. Seas 3 to 4 ft.

Sunday Night

WNW wind 11 to 14 kt becoming W 8 to 11 kt after midnight. Mostly clear. Seas 3 to 4 ft.

Monday

SW wind 14 to 17 kt becoming S 20 to 23 kt in the afternoon. Mostly sunny. Seas 3 ft building to 5 ft.

Monday Night

SSW wind 25 to 27 kt. Partly cloudy. Seas around 7 ft.

Tuesday

SSW wind 22 to 25 kt increasing to 25 to 28 kt in the afternoon. Winds could gust as high as 35 kt. Mostly sunny. Seas 7 to 8 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.