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: 3:17 am CDT Sep 5, 2026
Forecast Valid: 4am CDT Sep 5, 2026-6pm CDT Sep 11, 2026

Saturday

ENE wind 5 to 10 kt, with gusts as high as 20 kt. Areas of dense fog before 9am. Waves 1 ft or less.

Saturday Night

ENE wind 5 to 10 kt becoming SSE after midnight. Increasing clouds. Waves 1 ft or less.

Sunday

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

Sunday Night

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

Labor Day

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

Monday Night

SE wind around 10 kt, with gusts as high as 20 kt. Showers, mainly after 1am. Waves 1 ft or less.

Tuesday

SSW wind 15 to 20 kt, with gusts as high as 30 kt. Showers likely and possibly a thunderstorm before 1pm, then a chance of showers. Waves 1 to 2 ft.

Tuesday Night

SSW wind around 15 kt, with gusts as high as 30 kt. A chance of showers. Waves 1 to 2 ft.

Wednesday

W wind 20 to 25 kt, with gusts as high as 40 kt. Mostly sunny. Waves 3 ft building to 6 ft.

*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.