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15NM SW Islip NY

[NOTICE]

Last Update: 2:20 pm EDT Apr 25, 2026
Forecast Valid: 4pm EDT Apr 25, 2026-6pm EDT May 2, 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM MIDNIGHT EDT TONIGHT

Late Afternoon

E wind around 16 kt. Showers. Seas around 3 ft.

Tonight

E wind 16 to 18 kt. Showers, mainly before 5am. Areas of fog. Seas 3 to 4 ft.

Sunday

ENE wind 18 to 20 kt, with gusts as high as 26 kt. A chance of showers before 11am. Areas of fog before 10am. Seas 4 to 5 ft.

Sunday Night

ENE wind 10 to 15 kt becoming NNE after midnight. Winds could gust as high as 21 kt. Partly cloudy. Seas 4 to 5 ft.

Monday

NNE wind around 12 kt becoming ENE in the afternoon. Sunny. Seas around 4 ft.

Monday Night

ENE wind 8 to 10 kt becoming NNE after midnight. Mostly clear. Seas around 4 ft.

Tuesday

NNE wind around 10 kt becoming ESE in the afternoon. Mostly sunny. Seas around 4 ft.

Tuesday Night

ESE wind around 6 kt becoming E after midnight. Mostly cloudy. Seas around 4 ft.

Wednesday

ENE wind 7 to 9 kt becoming ESE 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.