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15NM SW Islip NY

[NOTICE]

Last Update: 1:21 pm EST Feb 24, 2026
Forecast Valid: 2pm EST Feb 24, 2026-6pm EST Mar 2, 2026

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM EST THIS EVENING...

This Afternoon

WNW wind 17 to 19 kt. Mostly sunny. Seas around 3 ft.

Tonight

SSW wind 7 to 10 kt becoming S 14 to 19 kt. Snow likely after 4am. Seas 2 to 3 ft.

Wednesday

SW wind 20 to 23 kt decreasing to 17 to 20 kt in the afternoon. Winds could gust as high as 29 kt. Rain and snow, mainly before 10am. Seas 5 to 6 ft.

Wednesday Night

SW wind 13 to 15 kt becoming W after midnight. Partly cloudy. Seas 4 to 5 ft.

Thursday

WNW wind 7 to 11 kt. A chance of snow, mainly after 4pm. Seas 3 to 4 ft.

Thursday Night

W wind 6 to 10 kt becoming NNE after midnight. A chance of snow. Seas 2 to 3 ft.

Friday

NNE wind 6 to 11 kt becoming NNW in the afternoon. Mostly sunny. Seas 2 to 3 ft.

Friday Night

Variable winds less than 5 kt becoming SW around 6 kt in the evening. Partly cloudy. Seas around 2 ft.

Saturday

SSW wind 6 to 8 kt. Mostly sunny. Seas around 2 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.