For More Weather Information:

12NM NW Islip NY

[NOTICE]

Last Update: 2:37 am EDT Sep 30, 2026
Forecast Valid: 7am EDT Sep 30, 2026-6pm EDT Oct 6, 2026

Today

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

Tonight

SSW wind 5 to 7 kt. Mostly cloudy. Seas 1 ft or less.

Thursday

SW wind around 7 kt. Partly sunny. Seas 1 ft or less.

Thursday Night

SW wind around 9 kt. Partly cloudy. Seas 1 ft or less.

Friday

SW wind around 9 kt. Mostly sunny. Seas 1 ft or less.

Friday Night

WSW wind around 10 kt becoming NNW after midnight. A chance of showers before 2am. Seas 1 ft or less.

Saturday

NNE wind 8 to 11 kt decreasing to 5 to 8 kt in the afternoon. Mostly sunny. Seas 1 ft or less.

Saturday Night

Variable winds less than 5 kt becoming ENE around 6 kt after midnight. Mostly cloudy. Seas 1 ft or less.

Sunday

E wind 7 to 9 kt. A chance of 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.