For More Weather Information:

12NM NW Islip NY

[NOTICE]

Last Update: 6:26 am EDT Oct 12, 2026
Forecast Valid: 7am EDT Oct 12, 2026-6pm EDT Oct 18, 2026

Columbus Day

NNE wind 12 to 15 kt becoming NNW 6 to 9 kt in the afternoon. A slight chance of showers and thunderstorms before 8am. Seas 1 ft or less.

Tonight

Variable winds 5 kt or less. Mostly clear. Seas 1 ft or less.

Tuesday

Variable winds less than 5 kt becoming S 5 to 8 kt in the morning. Increasing clouds. Seas 1 ft or less.

Tuesday Night

SW wind 11 to 13 kt. Mostly cloudy, then gradually becoming mostly clear. Seas 1 ft or less.

Wednesday

WSW wind 8 to 10 kt becoming W in the afternoon. Mostly sunny. Seas 1 ft or less.

Wednesday Night

WNW wind 7 to 9 kt becoming NNW after midnight. Partly cloudy. Seas 1 ft or less.

Thursday

N wind 5 to 10 kt becoming variable and less than 5 kt in the afternoon. Mostly sunny. Seas 1 ft or less.

Thursday Night

E wind 5 to 7 kt becoming SE after midnight. Showers likely. Seas 1 ft or less.

Friday

SSE wind 10 to 12 kt becoming SW in the afternoon. Winds could gust as high as 20 kt. Showers. Seas 1 ft or less.

*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.