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15NM SW Islip NY

[NOTICE]

Last Update: 7:43 pm EDT Apr 29, 2026
Forecast Valid: 10pm EDT Apr 29, 2026-6pm EDT May 6, 2026

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY AFTERNOON...

Tonight

SE wind 8 to 10 kt. A slight chance of sprinkles before 11pm, then showers, mainly after 11pm. Seas 3 to 4 ft.

Thursday

E wind around 8 kt becoming WNW in the afternoon. Showers, mainly before 8am. Seas around 4 ft.

Thursday Night

NW wind 10 to 13 kt. Partly cloudy. Seas around 4 ft.

Friday

WNW wind around 13 kt becoming WSW in the afternoon. Sunny. Seas 3 to 4 ft.

Friday Night

W wind 6 to 11 kt. A chance of showers, mainly after 2am. Seas around 3 ft.

Saturday

W wind 5 to 9 kt becoming S in the afternoon. A chance of showers before 8am, then a chance of showers after 2pm. Seas 2 to 3 ft.

Saturday Night

S wind 7 to 11 kt becoming NNW after midnight. A chance of showers before 2am. Seas 2 to 3 ft.

Sunday

NW wind around 14 kt becoming W in the afternoon. Mostly sunny. Seas around 3 ft.

Sunday Night

WSW wind 10 to 12 kt. Mostly clear. Seas around 3 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.