For More Weather Information:

Mackinaw City MI

[NOTICE]

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Last Update: 6:11 am EDT Sep 18, 2026
Forecast Valid: 6am EDT Sep 18, 2026-6pm EDT Sep 24, 2026

Today

NNE wind 5 to 10 kt becoming ENE in the afternoon. Patchy fog before 11am. Waves 1 ft or less.

Tonight

Variable winds 5 kt or less. Mostly cloudy. Waves 1 ft or less.

Saturday

ESE wind 5 to 10 kt. Mostly sunny. Waves 1 ft or less.

Saturday Night

E wind 5 to 10 kt. Mostly cloudy. Waves 1 ft or less.

Sunday

NE wind 5 to 10 kt. Mostly sunny. Waves 1 ft or less.

Sunday Night

ENE wind 10 to 15 kt. Partly cloudy. Waves 1 ft or less.

Monday

E wind around 15 kt. Partly sunny. Waves 1 ft or less.

Monday Night

E wind around 10 kt. Partly cloudy. Waves 1 ft or less.

Tuesday

E wind around 15 kt. Mostly sunny. Waves 1 ft or less.

See the open lakes forecast for days 3 through 5.

*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.