For More Weather Information:

12NM NW Islip NY

[NOTICE]

Last Update: 6:27 am EDT May 10, 2026
Forecast Valid: 8am EDT May 10, 2026-6pm EDT May 16, 2026

...DENSE FOG ADVISORY IN EFFECT UNTIL NOON EDT TODAY...

Today

Variable winds less than 5 kt becoming SW 5 to 7 kt in the afternoon. A chance of showers after 2pm. Areas of fog before 10am. Seas 1 ft or less.

Tonight

W wind 5 to 8 kt becoming N after midnight. A chance of showers, mainly after 10pm. Seas around 1 ft.

Monday

Variable winds 5 kt or less. A slight chance of showers before 10am. Seas 1 ft or less.

Monday Night

W wind 5 to 8 kt becoming NNW in the evening. Mostly cloudy, then gradually becoming mostly clear. Seas around 1 ft.

Tuesday

N wind 5 to 9 kt becoming WNW in the afternoon. Sunny. Seas around 1 ft.

Tuesday Night

Variable winds 5 kt or less. Increasing clouds. Seas 1 ft or less.

Wednesday

S wind 5 to 10 kt increasing to 12 to 17 kt in the afternoon. A chance of showers. Seas 1 to 2 ft.

Wednesday Night

S wind 12 to 15 kt. Showers. Seas 1 to 2 ft.

Thursday

S wind 9 to 11 kt becoming SW in the afternoon. Showers. Seas around 1 ft.

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.