For More Weather Information:

12NM NW Islip NY

[NOTICE]

Last Update: 4:33 am EDT Apr 30, 2026
Forecast Valid: 6am EDT Apr 30, 2026-6pm EDT May 6, 2026

Today

Variable winds 5 kt or less. Showers likely before 11am, then a slight chance of showers after 5pm. Seas 1 ft or less.

Tonight

NW wind 7 to 9 kt. A slight chance of showers before 8pm. Seas 1 ft or less.

Friday

W wind around 11 kt. Sunny. Seas around 1 ft.

Friday Night

W wind 6 to 9 kt. A chance of showers, mainly after 2am. Seas 1 ft or less.

Saturday

Variable winds less than 5 kt becoming SSW around 6 kt in the morning. A chance of rain, mainly after 2pm. Seas 1 ft or less.

Saturday Night

S wind 6 to 9 kt becoming N after midnight. A chance of rain. Seas 1 ft or less.

Sunday

WNW wind 11 to 13 kt. Mostly sunny. Seas 1 ft or less.

Sunday Night

WNW wind 5 to 9 kt becoming variable and less than 5 kt. Mostly clear. Seas 1 ft or less.

Monday

SSW wind 8 to 11 kt increasing to 14 to 17 kt in the afternoon. Mostly sunny. 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.