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15NM SW Islip NY

[NOTICE]

Last Update: 2:19 am EDT Apr 30, 2026
Forecast Valid: 4am EDT Apr 30, 2026-6pm EDT May 6, 2026

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

Thursday

SE wind 5 to 7 kt becoming NW in the afternoon. Showers likely before 11am, then a slight chance of showers after 5pm. Seas 3 to 4 ft.

Thursday Night

W wind 9 to 12 kt becoming NW after midnight. A slight chance of showers before 8pm. Seas around 4 ft.

Friday

NW wind 11 to 13 kt becoming SW in the afternoon. Sunny. Seas 3 to 4 ft.

Friday Night

SSW wind 9 to 12 kt becoming W after midnight. A slight chance of showers. Seas 3 to 4 ft.

Saturday

NNW wind 6 to 10 kt becoming S in the morning. A chance of rain, mainly after 2pm. Seas 2 to 3 ft.

Saturday Night

S wind 9 to 11 kt becoming NNW after midnight. A chance of rain. Seas 2 to 3 ft.

Sunday

NNW wind around 15 kt becoming W in the afternoon. Mostly sunny. Seas around 3 ft.

Sunday Night

WNW wind 7 to 12 kt becoming WSW after midnight. Mostly clear. Seas around 3 ft.

Monday

SW wind 13 to 18 kt becoming S 21 to 26 kt in the afternoon. Mostly sunny. Seas 3 ft building to 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.