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15NM SW Islip NY

[NOTICE]

Last Update: 4:51 am EDT Apr 25, 2026
Forecast Valid: 7am EDT Apr 25, 2026-6pm EDT May 1, 2026

Today

ESE wind 13 to 15 kt. Showers, mainly after 11am. Seas 2 to 3 ft.

Tonight

E wind 15 to 17 kt. Showers. Seas 3 to 4 ft.

Sunday

ENE wind 19 to 21 kt. A chance of showers. Seas 4 to 5 ft.

Sunday Night

NE wind 14 to 17 kt. A slight chance of showers. Seas around 5 ft.

Monday

NE wind 16 to 18 kt. A slight chance of showers. Seas around 5 ft.

Monday Night

NE wind 14 to 17 kt. Partly cloudy. Seas around 5 ft.

Tuesday

NE wind around 14 kt becoming E in the afternoon. Mostly sunny. Seas around 5 ft.

Tuesday Night

ENE wind 8 to 11 kt. A chance of showers. Seas around 5 ft.

Wednesday

ENE wind around 9 kt becoming E in the afternoon. A chance of showers. Seas around 4 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.