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Marquette, MI Local Forecast Office

Copper Harbor MI

Marine Point Forecast

[NOTICE]
    • Saturday

      Saturday:Variable winds 5 kt or less. A chance of showers, mainly before 9am.  Patchy fog before 10am.  Waves 1 ft or less.

      High: 64 °F

      Light Wind
      < 1ft

    • Saturday Night

      Saturday Night:W wind 5 to 10 kt. Areas of smoke after 4am.  Waves 1 ft or less.

      Low: 54 °F

      W 10kt
      < 1ft

    • Sunday

      Sunday:Variable winds 5 kt or less. Areas of smoke.  Waves 1 ft or less.

      High: 67 °F

      Light Wind
      < 1ft

    • Sunday Night

      Sunday Night:Variable winds 5 kt or less. Areas of smoke before 8pm.  Waves 1 ft or less.

      Low: 55 °F

      Light Wind
      < 1ft

    • Monday

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

      High: 67 °F

      Light Wind
      < 1ft

    • Monday Night

      Monday Night:SSE wind 5 to 10 kt. Mostly cloudy. Waves 1 ft or less.

      Low: 58 °F

      SSE 10kt
      < 1ft

    • Tuesday

      Tuesday:S wind around 10 kt. A chance of showers, with thunderstorms also possible after 1pm.   Waves 1 ft or less.

      High: 72 °F

      S 10kt
      < 1ft

    • Tuesday Night

      Tuesday Night:Variable winds 5 kt or less. A chance of showers, with thunderstorms also possible after 1am.   Waves 1 ft or less.

      Low: 59 °F

      Light Wind
      < 1ft

    • Wednesday

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

      High: 70 °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: 1:25 am CDT Jul 19, 2025
Forecast Valid: 3am CDT Jul 19, 2025-6pm CDT Jul 25, 2025

View Nearby Observations

Detailed Forecast

Saturday
Variable winds 5 kt or less. A chance of showers, mainly before 9am. Patchy fog before 10am. Waves 1 ft or less.
Saturday Night
W wind 5 to 10 kt. Areas of smoke after 4am. Waves 1 ft or less.
Sunday
Variable winds 5 kt or less. Areas of smoke. Waves 1 ft or less.
Sunday Night
Variable winds 5 kt or less. Areas of smoke before 8pm. Waves 1 ft or less.
Monday
Variable winds 5 kt or less. Mostly sunny. Waves 1 ft or less.
Monday Night
SSE wind 5 to 10 kt. Mostly cloudy. Waves 1 ft or less.
Tuesday
S wind around 10 kt. A chance of showers, with thunderstorms also possible after 1pm. Waves 1 ft or less.
Tuesday Night
Variable winds 5 kt or less. A chance of showers, with thunderstorms also possible after 1am. Waves 1 ft or less.
Wednesday
Variable winds 5 kt or less. A chance of showers. Waves 1 ft 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.
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ABOUT THIS FORECAST

Point Forecast: 47.48°N 87.89°W
Last Update: 1:25 am CDT Jul 19, 2025
Forecast Valid: 3am CDT Jul 19, 2025-6pm CDT Jul 25, 2025
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