News Headlines

For More Weather Information:

3NM N Grosse Ile MI

[NOTICE]

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Last Update: 3:49 pm EDT Sep 17, 2026
Forecast Valid: 4pm EDT Sep 17, 2026-6pm EDT Sep 23, 2026

This Afternoon

Variable winds 5 kt or less. A slight chance of showers after 5pm. Waves 1 ft or less.

Tonight

NNE wind 5 to 8 kt. A slight chance of showers before 8pm. Waves 1 ft or less.

Friday

NE wind around 9 kt. Mostly sunny. Waves 1 ft or less.

Friday Night

NE wind 7 to 10 kt. Mostly cloudy. Waves 1 ft or less.

Saturday

ENE wind 6 to 8 kt becoming ESE in the afternoon. Showers likely. Waves 1 ft or less.

Saturday Night

NE wind around 8 kt. Showers. Waves 1 ft or less.

Sunday

NNE wind 9 to 11 kt. Showers likely, mainly before 2pm. Waves 1 ft or less.

Sunday Night

NNE wind around 12 kt. A chance of showers. Waves 1 ft or less.

Monday

NE wind around 14 kt, with gusts as high as 21 kt. A chance of showers. Waves 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.