For More Weather Information:

15NM SW Islip NY

[NOTICE]

Last Update: 3:36 pm EST Jan 19, 2026
Forecast Valid: 4pm EST Jan 19, 2026-6pm EST Jan 26, 2026

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TUESDAY NIGHT...

M.L.King Day

WSW wind around 24 kt. A chance of flurries. Seas around 6 ft.

Tonight

W wind 24 to 27 kt. A chance of flurries before 10pm. Patchy freezing spray after 1am. Seas around 6 ft.

Tuesday

W wind around 23 kt. Patchy freezing spray. Sunny. Seas around 5 ft.

Tuesday Night

W wind 17 to 20 kt decreasing to 13 to 16 kt after midnight. Patchy freezing spray before 4am. Mostly clear. Seas 3 to 4 ft.

Wednesday

W wind 10 to 15 kt becoming SSW 18 to 23 kt. Mostly sunny. Seas 2 ft building to 5 ft.

Wednesday Night

SSW wind 25 to 28 kt becoming WSW 21 to 24 kt after midnight. Mostly cloudy. Seas 6 to 7 ft.

Thursday

WSW wind 16 to 18 kt. Mostly sunny. Seas 6 ft subsiding to 4 ft.

Thursday Night

W wind around 17 kt, with gusts as high as 24 kt. Partly cloudy. Seas around 4 ft.

Friday

W wind 17 to 20 kt, with gusts as high as 28 kt. Partly sunny. Seas around 4 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.