For More Weather Information:

15NM SW Islip NY

[NOTICE]

Last Update: 5:36 am EST Jan 12, 2026
Forecast Valid: 8am EST Jan 12, 2026-6pm EST Jan 18, 2026

...GALE WARNING IN EFFECT UNTIL 6 AM EST EARLY THIS MORNING...

Today

WNW wind 18 to 21 kt becoming WSW in the afternoon. Mostly sunny. Seas 3 to 4 ft.

Tonight

WSW wind 16 to 19 kt. Mostly clear. Seas 3 to 4 ft.

Tuesday

W wind 12 to 15 kt becoming SSW in the afternoon. Increasing clouds. Seas 2 to 3 ft.

Tuesday Night

SSW wind around 19 kt. Mostly cloudy. Seas 3 to 4 ft.

Wednesday

SW wind 11 to 16 kt. A slight chance of showers. Seas around 4 ft.

Wednesday Night

SSW wind 7 to 9 kt becoming W after midnight. A chance of showers. Seas around 3 ft.

Thursday

W wind 9 to 12 kt increasing to 12 to 15 kt in the afternoon. A chance of rain. Seas 3 to 4 ft.

Thursday Night

N wind 19 to 23 kt. A chance of snow. Seas 4 to 5 ft.

Friday

NNW wind 21 to 24 kt becoming WNW 17 to 20 kt in the afternoon. A chance of snow. 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.