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Marquette, MI Local Forecast Office

24NM W Ontonagon MI

Marine Point Forecast

[NOTICE]

Overnight
Low: 47 °F
SW 10kt
1ft
Monday
High: 60 °F
SW 15kt
1-2ft
Monday Night
Low: 46 °F
SW 10kt
< 1ft
Tuesday
High: 47 °F
Light Wind
< 1ft
Tuesday Night
Low: 49 °F
Light Wind
< 1ft
Wednesday
High: 57 °F
Light Wind
< 1ft
Wednesday Night
Low: 43 °F
Light Wind
< 1ft
Thursday
High: 55 °F
W 10kt
< 1ft
Thursday Night
Low: 46 °F
W 10kt
< 1ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 12:12 am CDT Jun 15, 2026
Forecast Valid: 12am CDT Jun 15, 2026-6pm CDT Jun 21, 2026

View Nearby Observations

Detailed Forecast

Overnight

SW wind around 10 kt. Mostly clear. Waves around 1 ft.

Monday

SW wind 10 to 15 kt. A slight chance of showers, then a chance of showers and thunderstorms after 4pm. Waves 1 to 2 ft.

Monday Night

SW wind 5 to 10 kt, with gusts as high as 20 kt. A chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and midnight. Waves 1 ft or less.

Tuesday

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

Tuesday Night

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

Wednesday

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

Wednesday Night

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

Thursday

NW wind 5 to 10 kt becoming W in the afternoon. Mostly cloudy. Waves 1 ft or less.

Thursday Night

W 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.