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15NM SW Islip NY

[NOTICE]

Last Update: 6:53 am EDT Apr 26, 2026
Forecast Valid: 7am EDT Apr 26, 2026-6pm EDT May 2, 2026

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

Today

ENE wind 16 to 18 kt. A slight chance of showers before 11am. Seas around 4 ft.

Tonight

ENE wind 8 to 11 kt becoming N after midnight. Mostly clear. Seas around 4 ft.

Monday

NNE wind 9 to 11 kt becoming E in the afternoon. Sunny. Seas around 4 ft.

Monday Night

E wind around 8 kt becoming NE after midnight. Mostly clear. Seas around 4 ft.

Tuesday

NNE wind around 9 kt becoming ESE in the afternoon. Mostly sunny. Seas around 4 ft.

Tuesday Night

ESE wind 6 to 8 kt becoming ENE after midnight. Mostly cloudy. Seas around 4 ft.

Wednesday

ENE wind 7 to 11 kt becoming ESE in the afternoon. A chance of showers after 2pm. Seas around 4 ft.

Wednesday Night

ESE wind 8 to 10 kt. Showers. Seas around 4 ft.

Thursday

ENE wind 8 to 10 kt becoming NW 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.