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Marquette, MI Local Forecast Office

Copper Harbor MI

Marine Point Forecast

[NOTICE]

    • Today

      Today:ESE wind 5 to 10 kt, with gusts as high as 15 kt. Mostly cloudy. Waves 1 ft or less.

      High: 72 °F

      ESE 10kt
      < 1ft

    • Tonight

      Tonight:ESE wind 5 to 10 kt, with gusts as high as 20 kt. A chance of showers and thunderstorms, mainly after 2am. Waves 1 ft or less.

      Low: 63 °F

      ESE 10kt
      < 1ft

    • Monday

      Monday:SE wind around 10 kt becoming SSW in the afternoon. Winds could gust as high as 20 kt. A chance of showers and thunderstorms, mainly between 2pm and 3pm. Waves 1 ft or less.

      High: 77 °F

      SE 10kt
      < 1ft

    • Monday Night

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

      Low: 65 °F

      Light Wind
      < 1ft

    • Tuesday

      Tuesday:SW wind 5 to 10 kt, with gusts as high as 20 kt. Mostly sunny. Waves 1 ft or less.

      High: 79 °F

      SW 10kt
      < 1ft

    • Tuesday Night

      Tuesday Night:WSW wind 5 to 10 kt, with gusts as high as 20 kt. Mostly cloudy. Waves 1 ft or less.

      Low: 63 °F

      WSW 10kt
      < 1ft

    • Wednesday

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

      High: 71 °F

      Light Wind
      < 1ft

    • Wednesday Night

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

      Low: 60 °F

      Light Wind
      < 1ft

    • Thursday

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

      High: 68 °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: 7:08 am CDT Aug 30, 2026
Forecast Valid: 7am CDT Aug 30, 2026-6pm CDT Sep 5, 2026

View Nearby Observations

Detailed Forecast

Today
ESE wind 5 to 10 kt, with gusts as high as 15 kt. Mostly cloudy. Waves 1 ft or less.
Tonight
ESE wind 5 to 10 kt, with gusts as high as 20 kt. A chance of showers and thunderstorms, mainly after 2am. Waves 1 ft or less.
Monday
SE wind around 10 kt becoming SSW in the afternoon. Winds could gust as high as 20 kt. A chance of showers and thunderstorms, mainly between 2pm and 3pm. Waves 1 ft or less.
Monday Night
Variable winds 5 kt or less. Mostly cloudy. Waves 1 ft or less.
Tuesday
SW wind 5 to 10 kt, with gusts as high as 20 kt. Mostly sunny. Waves 1 ft or less.
Tuesday Night
WSW wind 5 to 10 kt, with gusts as high as 20 kt. 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
Variable winds 5 kt or less. Mostly sunny. 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: 47.46°N 87.89°W
Last Update: 7:08 am CDT Aug 30, 2026
Forecast Valid: 7am CDT Aug 30, 2026-6pm CDT Sep 5, 2026
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