For More Weather Information:

12NM NW Islip NY

[NOTICE]

Last Update: 1:10 am EST Jan 19, 2026
Forecast Valid: 5am EST Jan 19, 2026-6pm EST Jan 25, 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM NOON EST TODAY THROUGH

M.L.King Day

W wind 9 to 12 kt becoming WSW 13 to 16 kt in the afternoon. Mostly cloudy, then gradually becoming sunny. Seas 1 to 2 ft.

Tonight

W wind 16 to 19 kt. Mostly clear. Seas 2 to 3 ft.

Tuesday

W wind around 16 kt, with gusts as high as 23 kt. Sunny. Seas around 2 ft.

Tuesday Night

W wind 9 to 14 kt. Mostly clear. Seas 1 to 2 ft.

Wednesday

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

Wednesday Night

SW wind 12 to 15 kt. Mostly cloudy. Seas 1 to 2 ft.

Thursday

SW wind 11 to 16 kt. Mostly sunny. Seas 1 to 2 ft.

Thursday Night

W wind 15 to 17 kt. Partly cloudy. Seas around 2 ft.

Friday

W wind 12 to 14 kt. Partly 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.