For More Weather Information:

Marquette, MI Local Forecast Office

Copper Harbor MI

Marine Point Forecast

[NOTICE]
    • Today

      Today:W wind 15 to 20 km/h becoming S in the afternoon. Increasing clouds. Waves 1 m or less.

      High: 9 °C

      W 20km/h
      < 1m

    • Tonight

      Tonight:S wind around 10 km/h becoming WNW after midnight. A chance of showers before 11pm, then a chance of sprinkles between 11pm and 1am.   Waves 1 m or less.

      Low: 3 °C

      S 10km/h
      < 1m

    • Saturday

      Saturday:NW wind 15 to 25 km/h, with gusts as high as 35 km/h. Mostly cloudy, then gradually becoming sunny. Waves 1 m or less.

      High: 7 °C

      NW 25km/h
      < 1m

    • Saturday Night

      Saturday Night:W wind 15 to 20 km/h, with gusts as high as 30 km/h. Partly cloudy. Waves 1 m or less.

      Low: 2 °C

      W 20km/h
      < 1m

    • Sunday

      Sunday:NW wind 15 to 20 km/h, with gusts as high as 30 km/h. Mostly sunny. Waves 1 m or less.

      High: 6 °C

      NW 20km/h
      < 1m

    • Sunday Night

      Sunday Night:WNW wind 10 to 15 km/h. Partly cloudy. Waves 1 m or less.

      Low: 2 °C

      WNW 15km/h
      < 1m

    • Monday

      Monday:NW wind 5 to 10 km/h. Sunny. Waves 1 m or less.

      High: 6 °C

      NW 10km/h
      < 1m

    • Monday Night

      Monday Night:Variable winds less than 5 km/h becoming SE 5 to 10 km/h after midnight. Partly cloudy. Waves 1 m or less.

      Low: 2 °C

      ⇑SE 10km/h
      < 1m

    • Tuesday

      Tuesday:SE wind 15 to 20 km/h, with gusts as high as 30 km/h. A chance of showers.   Waves 1 m or less.

      High: 7 °C

      SE 20km/h
      < 1m


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 9:19 am CDT May 8, 2026
Forecast Valid: 10am CDT May 8, 2026-6pm CDT May 14, 2026

View Nearby Observations

Detailed Forecast

Today
W wind 15 to 20 km/h becoming S in the afternoon. Increasing clouds. Waves 1 m or less.
Tonight
S wind around 10 km/h becoming WNW after midnight. A chance of showers before 11pm, then a chance of sprinkles between 11pm and 1am. Waves 1 m or less.
Saturday
NW wind 15 to 25 km/h, with gusts as high as 35 km/h. Mostly cloudy, then gradually becoming sunny. Waves 1 m or less.
Saturday Night
W wind 15 to 20 km/h, with gusts as high as 30 km/h. Partly cloudy. Waves 1 m or less.
Sunday
NW wind 15 to 20 km/h, with gusts as high as 30 km/h. Mostly sunny. Waves 1 m or less.
Sunday Night
WNW wind 10 to 15 km/h. Partly cloudy. Waves 1 m or less.
Monday
NW wind 5 to 10 km/h. Sunny. Waves 1 m or less.
Monday Night
Variable winds less than 5 km/h becoming SE 5 to 10 km/h after midnight. Partly cloudy. Waves 1 m or less.
Tuesday
SE wind 15 to 20 km/h, with gusts as high as 30 km/h. A chance of showers. Waves 1 m or less.

*Notices:

  1. 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.
  2. 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.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

Point Forecast: 47.48°N 87.89°W
Last Update: 9:19 am CDT May 8, 2026
Forecast Valid: 10am CDT May 8, 2026-6pm CDT May 14, 2026
  Forecast Discussion
  Get as KML Get as XML

RADAR & SATELLITE IMAGES

 Link to Satellite Data