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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 10 kt. Mostly cloudy. Waves around 5 ft.

      High: 32 °F

      NE 10kt
      5ft

      Small Craft Advisory
      Small Craft Advisory

    • Tonight

      Tonight:NNE wind around 15 kt. Mostly cloudy. Waves around 4 ft.

      Low: 23 °F

      NNE 15kt
      4ft

      Small Craft Advisory
      Small Craft Advisory

    • Wednesday

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

      High: 26 °F

      E 15kt
      2-3ft

    • Wednesday Night

      Wednesday Night:E wind 10 to 20 kt, with gusts as high as 30 kt. A chance of snow, mainly after 1am.   Waves 2 ft building to 6 ft.

      Low: 26 °F

      E 20kt
      Waves Building6ft

    • Thursday

      Thursday:E wind 25 to 30 kt, with gusts as high as 40 kt. Snow likely before 10am, then snow and sleet.   Waves 8 ft building to 12 ft.

      High: 32 °F

      E 30kt
      Waves Building12ft

    • Thursday Night

      Thursday Night:E wind 25 to 30 kt becoming N after midnight. Winds could gust as high as 40 kt. Snow and sleet, becoming all snow after 7pm.   Waves 13 ft subsiding to 9 ft.

      Low: 29 °F

      E 30kt
      13ftWaves Subsiding

    • Friday

      Friday:N wind 15 to 25 kt, with gusts as high as 30 kt. Mostly cloudy. Waves 8 ft subsiding to 4 ft.

      High: 33 °F

      N 25kt
      8ftWaves Subsiding

    • Friday Night

      Friday Night:ENE wind 20 to 30 kt. A chance of snow showers.   Waves 5 ft building to 9 ft.

      Low: 30 °F

      ENE 30kt
      Waves Building9ft

    • Saturday

      Saturday:ENE wind 25 to 30 kt. Rain and snow showers, becoming all snow after 1pm.   Waves 9 to 11 ft.

      High: 32 °F

      ENE 30kt
      9-11ft


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 2:46 pm CDT Mar 31, 2026
Forecast Valid: 4pm CDT Mar 31, 2026-6pm CDT Apr 6, 2026

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Detailed Forecast

This Afternoon
NE wind around 10 kt. Mostly cloudy. Waves around 5 ft.
Tonight
NNE wind around 15 kt. Mostly cloudy. Waves around 4 ft.
Wednesday
E wind 10 to 15 kt. Mostly cloudy. Waves 2 to 3 ft.
Wednesday Night
E wind 10 to 20 kt, with gusts as high as 30 kt. A chance of snow, mainly after 1am. Waves 2 ft building to 6 ft.
Thursday
E wind 25 to 30 kt, with gusts as high as 40 kt. Snow likely before 10am, then snow and sleet. Waves 8 ft building to 12 ft.
Thursday Night
E wind 25 to 30 kt becoming N after midnight. Winds could gust as high as 40 kt. Snow and sleet, becoming all snow after 7pm. Waves 13 ft subsiding to 9 ft.
Friday
N wind 15 to 25 kt, with gusts as high as 30 kt. Mostly cloudy. Waves 8 ft subsiding to 4 ft.
Friday Night
ENE wind 20 to 30 kt. A chance of snow showers. Waves 5 ft building to 9 ft.
Saturday
ENE wind 25 to 30 kt. Rain and snow showers, becoming all snow after 1pm. Waves 9 to 11 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: 2:46 pm CDT Mar 31, 2026
Forecast Valid: 4pm CDT Mar 31, 2026-6pm CDT Apr 6, 2026
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