For More Weather Information:

25NM WSW Ontonagon MI

[NOTICE]

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Last Update: 8:37 pm CDT Jul 22, 2026
Forecast Valid: 10pm CDT Jul 22, 2026-6pm CDT Jul 29, 2026

Tonight

SW wind 5 to 10 kt. Mostly clear. Waves 1 ft or less.

Thursday

WSW wind 5 to 10 kt, with gusts as high as 20 kt. Mostly sunny. Waves 1 ft or less.

Thursday Night

SSW wind 5 to 10 kt, with gusts as high as 20 kt. Mostly clear. Waves 1 ft or less.

Friday

SW wind around 10 kt, with gusts as high as 20 kt. Sunny. Waves around 1 ft.

Friday Night

SSW wind 10 to 15 kt, with gusts as high as 25 kt. Showers likely and possibly a thunderstorm after 1am. Waves 1 to 2 ft.

Saturday

WSW wind 5 to 15 kt, with gusts as high as 25 kt. A chance of showers before 1pm. Waves 1 to 2 ft.

Saturday Night

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

Sunday

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

Sunday Night

Variable winds 5 kt or less. 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.