For More Weather Information:

12NM NW Islip NY

[NOTICE]

Last Update: 8:25 pm EST Jan 18, 2026
Forecast Valid: 8pm EST Jan 18, 2026-6pm EST Jan 25, 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY AFTERNOON THROUGH

Tonight

NNW wind 5 to 10 kt becoming WNW after midnight. Snow, mainly before 1am. Seas around 1 ft.

M.L.King Day

WSW wind 10 to 15 kt. Mostly cloudy, then gradually becoming sunny. Seas 1 ft or less.

Monday Night

W wind 15 to 18 kt increasing to 19 to 22 kt in the evening. Mostly cloudy, then gradually becoming clear. Seas around 1 ft.

Tuesday

W wind around 18 kt, with gusts as high as 24 kt. Increasing clouds. Seas around 1 ft.

Tuesday Night

W wind 9 to 13 kt. Clear. Seas 1 ft or less.

Wednesday

WSW wind 6 to 9 kt becoming SSW 9 to 12 kt in the afternoon. Mostly sunny. Seas 1 ft or less.

Wednesday Night

SW wind 12 to 16 kt. Mostly cloudy. Seas 1 ft or less.

Thursday

WSW wind 12 to 15 kt. A chance of rain and snow before 1pm. Seas 1 ft or less.

Thursday Night

WNW wind 16 to 18 kt. Partly cloudy. Seas around 1 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.