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: 7:07 pm CDT Aug 2, 2026
Forecast Valid: 7pm CDT Aug 2, 2026-6pm CDT Aug 9, 2026

Tonight

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

Monday

Variable winds 5 kt or less. Sunny. Waves 1 ft or less.

Monday Night

SSE wind 5 to 10 kt becoming SSW after midnight. Winds could gust as high as 20 kt. Mostly cloudy. Waves 1 ft or less.

Tuesday

WSW wind 5 to 10 kt, with gusts as high as 20 kt. A chance of showers, mainly between 7am and 1pm. Waves around 1 ft.

Tuesday Night

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

Wednesday

Variable winds 5 kt or less. Sunny. Waves 1 ft or less.

Wednesday Night

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

Thursday

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

Thursday Night

SSW wind 5 to 10 kt. Partly cloudy. 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.