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15NM SW Islip NY

[NOTICE]

Last Update: 5:37 am EST Feb 24, 2026
Forecast Valid: 7am EST Feb 24, 2026-6pm EST Mar 2, 2026

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

Today

WNW wind 16 to 20 kt. Mostly sunny. Seas 4 to 5 ft.

Tonight

W wind 11 to 14 kt becoming S 16 to 19 kt after midnight. A slight chance of snow between 1am and 4am, then rain and snow likely. Seas 2 to 3 ft.

Wednesday

SW wind 19 to 22 kt decreasing to 16 to 19 kt in the afternoon. Rain and snow likely, mainly before 10am. Seas around 5 ft.

Wednesday Night

SW wind 12 to 15 kt becoming W after midnight. Partly cloudy. Seas 4 to 5 ft.

Thursday

WNW wind 6 to 11 kt becoming variable and less than 5 kt. A slight chance of snow before 1pm, then a chance of rain and snow. Seas 3 to 4 ft.

Thursday Night

ENE wind 9 to 12 kt becoming N in the evening. Snow likely, mainly before 1am. Seas 2 to 3 ft.

Friday

N wind 7 to 12 kt becoming NW in the afternoon. Mostly sunny. Seas 2 to 3 ft.

Friday Night

SSW wind around 7 kt. Mostly clear. Seas around 2 ft.

Saturday

SSW wind around 9 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.