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Marquette, MI Local Forecast Office

Copper Harbor MI

Marine Point Forecast

[NOTICE]
    • Overnight

      Overnight:NNW wind 10 to 15 kt. Mostly cloudy. Waves 2 to 4 ft.

      Low: 30 °F

      NNW 15kt
      2-4ft

      Small Craft Advisory
      Small Craft Advisory

    • Saturday

      Saturday:NW wind 10 to 15 kt. A chance of snow showers, mainly after 4pm.   Waves around 2 ft.

      High: 34 °F

      NW 15kt
      2ft

    • Saturday Night

      Saturday Night:N wind around 15 kt, with gusts as high as 20 kt. Snow showers likely.   Waves 2 to 4 ft.

      Low: 29 °F

      N 15kt
      2-4ft

    • Sunday

      Sunday:NW wind 15 to 20 kt becoming N in the morning. Snow showers.   Waves 5 to 6 ft.

      High: 36 °F

      N 20kt
      5-6ft

    • Sunday Night

      Sunday Night:N wind 20 to 25 kt. Snow showers likely, mainly before midnight.   Waves around 6 ft.

      Low: 31 °F

      N 25kt
      6ft

    • Monday

      Monday:N wind 15 to 25 kt, with gusts as high as 30 kt. A chance of snow showers.   Waves 7 ft subsiding to 4 ft.

      High: 38 °F

      N 25kt
      7ftWaves Subsiding

    • Monday Night

      Monday Night:NNW wind 10 to 15 kt becoming SW after midnight. A chance of snow showers.   Waves 4 ft subsiding to 1 ft.

      Low: 32 °F

      NNW 15kt
      4ftWaves Subsiding

    • Veterans Day

      Veterans Day:SSW wind 10 to 15 kt becoming W in the afternoon. Winds could gust as high as 25 kt. A chance of snow showers before noon, then a chance of rain and snow showers.   Waves 1 to 3 ft.

      High: 44 °F

      WSW 15kt
      1-3ft

    • Tuesday Night

      Tuesday Night:WNW wind 15 to 20 kt, with gusts as high as 35 kt. A chance of showers.   Waves 4 ft building to 8 ft.

      Low: 37 °F

      WNW 20kt
      Waves Building8ft


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 12:25 am CST Nov 8, 2025
Forecast Valid: 12am CST Nov 8, 2025-6pm CST Nov 14, 2025

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Detailed Forecast

Overnight
NNW wind 10 to 15 kt. Mostly cloudy. Waves 2 to 4 ft.
Saturday
NW wind 10 to 15 kt. A chance of snow showers, mainly after 4pm. Waves around 2 ft.
Saturday Night
N wind around 15 kt, with gusts as high as 20 kt. Snow showers likely. Waves 2 to 4 ft.
Sunday
NW wind 15 to 20 kt becoming N in the morning. Snow showers. Waves 5 to 6 ft.
Sunday Night
N wind 20 to 25 kt. Snow showers likely, mainly before midnight. Waves around 6 ft.
Monday
N wind 15 to 25 kt, with gusts as high as 30 kt. A chance of snow showers. Waves 7 ft subsiding to 4 ft.
Monday Night
NNW wind 10 to 15 kt becoming SW after midnight. A chance of snow showers. Waves 4 ft subsiding to 1 ft.
Veterans Day
SSW wind 10 to 15 kt becoming W in the afternoon. Winds could gust as high as 25 kt. A chance of snow showers before noon, then a chance of rain and snow showers. Waves 1 to 3 ft.
Tuesday Night
WNW wind 15 to 20 kt, with gusts as high as 35 kt. A chance of showers. Waves 4 ft building to 8 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 87.89°W
Last Update: 12:25 am CST Nov 8, 2025
Forecast Valid: 12am CST Nov 8, 2025-6pm CST Nov 14, 2025
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