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Marquette, MI Local Forecast Office

8NM E Copper Harbor MI

Marine Point Forecast

[NOTICE]
    • This Afternoon

      This Afternoon:NE wind around 15 kt. Mostly cloudy. Waves around 2 ft.

      High: 34 °F

      NE 15kt
      2ft

    • Tonight

      Tonight:ENE wind 15 to 20 kt. A chance of snow showers, mainly after 3am.   Waves 2 ft building to 5 ft.

      Low: 29 °F

      ENE 20kt
      Waves Building5ft

      Small Craft Advisory
      Small Craft Advisory

    • Tuesday

      Tuesday:E wind 15 to 20 kt. Snow showers likely, mainly before noon.   Waves 5 to 6 ft.

      High: 31 °F

      E 20kt
      5-6ft

      Small Craft Advisory
      Small Craft Advisory

    • Tuesday Night

      Tuesday Night:NNE wind 10 to 15 kt. A chance of snow showers before 1am.   Waves 3 to 4 ft.

      Low: 22 °F

      NNE 15kt
      3-4ft

      Small Craft Advisory
      Small Craft Advisory

    • Wednesday

      Wednesday:NE wind 10 to 15 kt. Mostly cloudy. Waves 2 to 3 ft.

      High: 30 °F

      NE 15kt
      2-3ft

    • Wednesday Night

      Wednesday Night:ENE wind 10 to 15 kt increasing to 15 to 20 kt after midnight. Winds could gust as high as 25 kt. Mostly cloudy. Waves 1 ft building to 5 ft.

      Low: 26 °F

      ⇑ENE 20kt
      Waves Building5ft

    • Thursday

      Thursday:E wind 25 to 30 kt, with gusts as high as 40 kt. Snow showers likely, mainly after 1pm.  Widespread freezing spray between 10am and 1pm.  Waves 6 ft building to 10 ft.

      High: 32 °F

      E 30kt
      Waves Building10ft

    • Thursday Night

      Thursday Night:ENE wind 25 to 30 kt. Snow showers.   Waves 10 to 11 ft.

      Low: 29 °F

      ENE 30kt
      10-11ft

    • Friday

      Friday:NNE wind 20 to 25 kt. Mostly cloudy. Waves 8 ft subsiding to 5 ft.

      High: 34 °F

      NNE 25kt
      8ftWaves Subsiding


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 3:22 pm CDT Mar 30, 2026
Forecast Valid: 4pm CDT Mar 30, 2026-6pm CDT Apr 5, 2026

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Detailed Forecast

This Afternoon
NE wind around 15 kt. Mostly cloudy. Waves around 2 ft.
Tonight
ENE wind 15 to 20 kt. A chance of snow showers, mainly after 3am. Waves 2 ft building to 5 ft.
Tuesday
E wind 15 to 20 kt. Snow showers likely, mainly before noon. Waves 5 to 6 ft.
Tuesday Night
NNE wind 10 to 15 kt. A chance of snow showers before 1am. Waves 3 to 4 ft.
Wednesday
NE wind 10 to 15 kt. Mostly cloudy. Waves 2 to 3 ft.
Wednesday Night
ENE wind 10 to 15 kt increasing to 15 to 20 kt after midnight. Winds could gust as high as 25 kt. Mostly cloudy. Waves 1 ft building to 5 ft.
Thursday
E wind 25 to 30 kt, with gusts as high as 40 kt. Snow showers likely, mainly after 1pm. Widespread freezing spray between 10am and 1pm. Waves 6 ft building to 10 ft.
Thursday Night
ENE wind 25 to 30 kt. Snow showers. Waves 10 to 11 ft.
Friday
NNE wind 20 to 25 kt. Mostly cloudy. Waves 8 ft subsiding to 5 ft.

*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 87.7°W
Last Update: 3:22 pm CDT Mar 30, 2026
Forecast Valid: 4pm CDT Mar 30, 2026-6pm CDT Apr 5, 2026
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