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Marquette, MI Local Forecast Office

25NM WSW Ontonagon MI

Marine Point Forecast

[NOTICE]

Today
High: 68 °F
NE 10kt
< 1ft
Tonight
Low: 67 °F
ENE 10kt
1-2ft
Monday
High: 74 °F
W 10kt
< 1ft
Monday Night
Low: 66 °F
Light Wind
< 1ft
Tuesday
High: 75 °F
WSW 10kt
< 1ft
Tuesday Night
Low: 65 °F
Light Wind
< 1ft
Wednesday
High: 71 °F
Light Wind
< 1ft
Wednesday Night
Low: 63 °F
Light Wind
< 1ft
Thursday
High: 71 °F
ENE 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: 9:14 am CDT Aug 30, 2026
Forecast Valid: 9am CDT Aug 30, 2026-6pm CDT Sep 5, 2026

View Nearby Observations

Detailed Forecast

Today

NE wind 5 to 10 kt, with gusts as high as 20 kt. A slight chance of showers between noon and 2pm. Waves 1 ft or less.

Tonight

ENE wind 5 to 10 kt becoming SE after midnight. Winds could gust as high as 20 kt. A chance of showers and thunderstorms before 1am, then showers likely and possibly a thunderstorm between 1am and 3am, then a chance of showers and thunderstorms after 3am. Waves 1 to 2 ft.

Monday

SE wind 5 to 10 kt becoming WNW in the afternoon. A chance of showers and thunderstorms, mainly before 7am. Waves 1 ft or less.

Monday Night

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

Tuesday

SSW wind 5 to 10 kt becoming WSW in the morning. Mostly sunny. Waves 1 ft or less.

Tuesday Night

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

Wednesday

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

Wednesday Night

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

Thursday

ESE wind 5 to 10 kt becoming NE in the morning. Winds could gust as high as 20 kt. 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.