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Marquette, MI Local Forecast Office

8NM E Copper Harbor MI

Marine Point Forecast

[NOTICE]
    • Overnight

      Overnight:NW wind 10 to 15 kt. Mostly cloudy. Waves 1 to 2 ft.

      Low: 29 °F

      NW 15kt
      1-2ft

    • Monday

      Monday:NNW wind around 10 kt becoming NE in the afternoon. Mostly cloudy. Waves around 2 ft.

      High: 33 °F

      NE 10kt
      2ft

    • Monday Night

      Monday Night:E wind 15 to 20 kt. Mostly cloudy. Waves 2 ft building to 5 ft.

      Low: 30 °F

      E 20kt
      Waves Building5ft

      Small Craft Advisory
      Small Craft Advisory

    • Tuesday

      Tuesday:E wind 10 to 20 kt. Snow showers likely before 1pm, then a chance of snow showers and sleet between 1pm and 4pm, then a chance of snow showers after 4pm.   Waves 6 to 7 ft.

      High: 31 °F

      E 20kt
      6-7ft

      Small Craft Advisory
      Small Craft Advisory

    • Tuesday Night

      Tuesday Night:N wind 10 to 20 kt. A slight chance of snow showers before 1am.  Widespread freezing spray between 1am and 4am.  Waves 4 to 5 ft.

      Low: 21 °F

      N 20kt
      4-5ft

    • Wednesday

      Wednesday:NNE wind 10 to 15 kt. Partly sunny. Waves 4 ft subsiding to 1 ft.

      High: 29 °F

      NNE 15kt
      4ftWaves Subsiding

    • Wednesday Night

      Wednesday Night:E wind 10 to 15 kt increasing to 15 to 20 kt after midnight. Winds could gust as high as 30 kt. Mostly cloudy. Waves 1 ft building to 4 ft.

      Low: 24 °F

      ⇑E 20kt
      Waves Building4ft

    • Thursday

      Thursday:E wind 25 to 30 kt, with gusts as high as 40 kt. A chance of snow showers.  Widespread freezing spray between 9am and 3pm.  Waves 5 to 7 ft.

      High: 31 °F

      E 30kt
      5-7ft

    • Thursday Night

      Thursday Night:ENE wind 25 to 30 kt, with gusts as high as 45 kt. Snow showers likely.   Waves 8 to 9 ft.

      Low: 29 °F

      ENE 30kt
      8-9ft


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 11:46 pm CDT Mar 29, 2026
Forecast Valid: 11pm CDT Mar 29, 2026-6pm CDT Apr 5, 2026

View Nearby Observations

Detailed Forecast

Overnight
NW wind 10 to 15 kt. Mostly cloudy. Waves 1 to 2 ft.
Monday
NNW wind around 10 kt becoming NE in the afternoon. Mostly cloudy. Waves around 2 ft.
Monday Night
E wind 15 to 20 kt. Mostly cloudy. Waves 2 ft building to 5 ft.
Tuesday
E wind 10 to 20 kt. Snow showers likely before 1pm, then a chance of snow showers and sleet between 1pm and 4pm, then a chance of snow showers after 4pm. Waves 6 to 7 ft.
Tuesday Night
N wind 10 to 20 kt. A slight chance of snow showers before 1am. Widespread freezing spray between 1am and 4am. Waves 4 to 5 ft.
Wednesday
NNE wind 10 to 15 kt. Partly sunny. Waves 4 ft subsiding to 1 ft.
Wednesday Night
E wind 10 to 15 kt increasing to 15 to 20 kt after midnight. Winds could gust as high as 30 kt. Mostly cloudy. Waves 1 ft building to 4 ft.
Thursday
E wind 25 to 30 kt, with gusts as high as 40 kt. A chance of snow showers. Widespread freezing spray between 9am and 3pm. Waves 5 to 7 ft.
Thursday Night
ENE wind 25 to 30 kt, with gusts as high as 45 kt. Snow showers likely. Waves 8 to 9 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: 11:46 pm CDT Mar 29, 2026
Forecast Valid: 11pm CDT Mar 29, 2026-6pm CDT Apr 5, 2026
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