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15NM SW Islip NY

[NOTICE]

Last Update: 5:52 am EST Jan 15, 2026
Forecast Valid: 7am EST Jan 15, 2026-6pm EST Jan 21, 2026

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EST THIS EVENING...

Today

WSW wind 15 to 20 kt increasing to 20 to 25 kt in the afternoon. Partly sunny. Seas 4 ft building to 6 ft.

Tonight

W wind 25 to 29 kt. Patchy freezing spray after 1am. Cloudy, then gradually becoming partly cloudy. Seas around 6 ft.

Friday

W wind 24 to 29 kt decreasing to 19 to 24 kt in the afternoon. Sunny. Seas 6 ft subsiding to 4 ft.

Friday Night

SW wind 17 to 20 kt. A slight chance of snow after 1am. Seas 4 to 5 ft.

Saturday

SW wind around 15 kt. A chance of rain and snow before 10am, then a chance of rain. Seas around 5 ft.

Saturday Night

WSW wind 11 to 13 kt. Mostly cloudy. Seas 4 to 5 ft.

Sunday

WNW wind 12 to 16 kt. A chance of snow. Seas 3 to 4 ft.

Sunday Night

WNW wind 18 to 20 kt. Mostly cloudy. Seas around 4 ft.

M.L.King Day

WSW wind 19 to 24 kt. Mostly sunny. Seas 4 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.