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Marquette, MI Local Forecast Office

24NM W Ontonagon MI

Marine Point Forecast

[NOTICE]

Today
High: 66 °F
SSE 10kt
< 1ft
Tonight
Low: 58 °F
SSW 20kt
1-3ft

Small Craft Advisory
Tuesday
High: 65 °F
WSW 30kt
7ft

Gale Warning
Tuesday Night
Low: 56 °F
W 15kt
3ft
Wednesday
High: 64 °F
Light Wind
< 1ft
Wednesday Night
Low: 58 °F
Light Wind
< 1ft
Thursday
High: 66 °F
Light Wind
< 1ft
Thursday Night
Low: 59 °F
Light Wind
< 1ft
Friday
High: 67 °F
Light Wind
< 1ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 10:13 am CDT Sep 14, 2026
Forecast Valid: 10am CDT Sep 14, 2026-6pm CDT Sep 20, 2026

View Nearby Observations

Detailed Forecast

Today

SSE wind around 10 kt, with gusts as high as 20 kt. A chance of showers and thunderstorms after 4pm. Waves 1 ft or less.

Tonight

SSE wind 15 to 20 kt becoming SSW after midnight. Winds could gust as high as 30 kt. Showers and possibly a thunderstorm before 1am, then a slight chance of showers between 1am and 2am. Waves 1 to 3 ft.

Tuesday

SW wind 20 to 30 kt becoming W in the afternoon. Winds could gust as high as 40 kt. Sunny. Waves 3 ft building to 7 ft.

Tuesday Night

W wind 5 to 15 kt, with gusts as high as 20 kt. Mostly clear. Waves 3 ft subsiding to 1 ft or less.

Wednesday

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

Wednesday Night

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

Thursday

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

Thursday Night

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

Friday

Variable winds 5 kt or less. A chance of showers. 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.