For More Weather Information:

12NM NW Islip NY

[NOTICE]

Last Update: 5:56 am EDT Jul 14, 2026
Forecast Valid: 11am EDT Jul 14, 2026-6pm EDT Jul 20, 2026

Today

WSW wind 9 to 13 kt. Sunny. Seas 1 ft or less.

Tonight

WSW wind 12 to 14 kt, with gusts as high as 20 kt. Mostly clear. Seas around 1 ft.

Wednesday

WNW wind around 11 kt. Sunny. Seas 1 ft or less.

Wednesday Night

NW wind 6 to 11 kt becoming variable and less than 5 kt after midnight. A slight chance of showers and thunderstorms before 2am. Seas 1 ft or less.

Thursday

Variable winds less than 5 kt becoming W 5 to 9 kt in the afternoon. Mostly sunny. Seas 1 ft or less.

Thursday Night

WNW wind 5 to 10 kt. Partly cloudy. Seas 1 ft or less.

Friday

Variable winds 5 kt or less. Sunny. Seas 1 ft or less.

Friday Night

W wind 5 to 7 kt becoming variable and less than 5 kt in the evening. Partly cloudy. Seas 1 ft or less.

Saturday

NE wind around 6 kt becoming S in the afternoon. A chance of showers. Seas 1 ft or less.

Winds and seas may be higher in and near tstms.

*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.