For More Weather Information:

19NM WSW Islip NY

[NOTICE]

Last Update: 10:04 pm EST Jan 4, 2026
Forecast Valid: 10pm EST Jan 4, 2026-6pm EST Jan 11, 2026

Tonight

WNW wind 10 to 13 kt. Partly cloudy. Seas around 1 ft.

Monday

NW wind 5 to 10 kt becoming S in the afternoon. Mostly cloudy. Seas around 1 ft.

Monday Night

SSW wind 5 to 10 kt becoming W after midnight. Mostly cloudy. Seas 1 to 2 ft.

Tuesday

NNW wind 5 to 7 kt becoming ESE in the afternoon. Mostly cloudy. Seas around 1 ft.

Tuesday Night

SE wind 8 to 10 kt becoming WSW after midnight. A chance of light rain. Seas around 2 ft.

Wednesday

W wind 13 to 15 kt, with gusts as high as 21 kt. Mostly sunny. Seas 2 ft building to 4 ft.

Wednesday Night

WNW wind 10 to 13 kt decreasing to 7 to 10 kt after midnight. Partly cloudy. Seas 3 to 4 ft.

Thursday

WNW wind around 6 kt becoming variable and less than 5 kt in the afternoon. Mostly sunny. Seas around 2 ft.

Thursday Night

S wind 6 to 9 kt. Mostly cloudy. 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.