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25NM WSW Ontonagon MI

[NOTICE]

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Last Update: 1:36 am CDT Sep 20, 2026
Forecast Valid: 2am CDT Sep 20, 2026-6pm CDT Sep 26, 2026

Sunday

NE wind 15 to 20 kt, with gusts as high as 25 kt. Partly sunny. Waves 2 ft building to 6 ft.

Sunday Night

E wind 10 to 15 kt. Partly cloudy. Waves 4 ft subsiding to 1 ft.

Monday

E wind 10 to 15 kt becoming NE in the afternoon. Mostly sunny. Waves around 1 ft.

Monday Night

ENE wind 5 to 10 kt becoming ESE after midnight. Winds could gust as high as 20 kt. Partly cloudy. Waves 1 to 2 ft.

Tuesday

ESE wind 5 to 15 kt becoming NE in the afternoon. Winds could gust as high as 20 kt. Sunny. Waves 1 ft or less.

Tuesday Night

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

Wednesday

SE wind 5 to 10 kt becoming ENE in the afternoon. Sunny. Waves 1 ft or less.

Wednesday Night

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

Thursday

Variable winds 5 kt or less. Mostly sunny. 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.