For More Weather Information:

12NM NW Islip NY

[NOTICE]

Last Update: 7:42 am EST Dec 6, 2025
Forecast Valid: 11am EST Dec 6, 2025-6pm EST Dec 12, 2025

Today

Variable winds less than 5 kt becoming W around 6 kt in the afternoon. Mostly cloudy. Seas 1 ft or less.

Tonight

W wind 6 to 9 kt becoming NW after midnight. Partly cloudy. Seas 1 ft or less.

Sunday

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

Sunday Night

WSW wind 6 to 9 kt becoming NW 14 to 19 kt. Mostly cloudy. Seas 1 ft or less.

Monday

N wind 18 to 21 kt decreasing to 13 to 16 kt in the afternoon. Mostly sunny. Seas around 1 ft.

Monday Night

N wind 9 to 12 kt decreasing to 6 to 9 kt after midnight. Partly cloudy. Seas 1 ft or less.

Tuesday

Variable winds less than 5 kt becoming SW 7 to 12 kt in the morning. Partly sunny. Seas 1 ft or less.

Tuesday Night

SW wind 12 to 15 kt. Mostly cloudy. Seas 1 ft or less.

Wednesday

SSW wind 11 to 15 kt. A chance of rain. 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.