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15NM SW Islip NY

[NOTICE]

Last Update: 2:22 am EDT Apr 27, 2026
Forecast Valid: 1pm EDT Apr 27, 2026-6pm EDT May 3, 2026

...SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY EVENING...

This Afternoon

E wind around 8 kt. Sunny. Seas around 4 ft.

Tonight

E wind 5 to 7 kt becoming NNE after midnight. Mostly clear. Seas around 4 ft.

Tuesday

NE wind 6 to 8 kt becoming SE in the afternoon. Increasing clouds. Seas around 4 ft.

Tuesday Night

SSE wind around 6 kt becoming variable and less than 5 kt after midnight. Mostly cloudy. Seas around 4 ft.

Wednesday

E wind 6 to 10 kt becoming SE in the afternoon. A slight chance of showers after 2pm. Seas 3 to 4 ft.

Wednesday Night

SE wind 11 to 14 kt. Showers, mainly after 8pm. Seas 3 to 4 ft.

Thursday

E wind 14 to 16 kt becoming WNW in the afternoon. Showers, mainly before 2pm. Seas around 4 ft.

Thursday Night

WNW wind around 23 kt. A chance of showers. Seas around 5 ft.

Friday

WNW wind 21 to 23 kt. Mostly sunny. Seas around 5 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.