Marine Point Forecast 47.92°N 89.17°W (Text-Only)
NWS Forecast for: 21NM E Grand Portage MN
Lake Superior

Issued by: National Weather Service Marquette, MI
Last Update: 3:10 pm CDT Jul 15, 2025
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  • This
    Afternoon

    This Afternoon: Variable winds 5 kt or less. Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall.   Waves 1 ft or less.

    High: 69 °F

    Heavy Rain

  • Tonight

    Tonight: NNE wind 5 to 10 kt, with gusts as high as 20 kt. Showers and possibly a thunderstorm before 1am, then a chance of showers. Some of the storms could produce heavy rainfall.  Patchy fog between 8pm and 10pm.  Waves 1 ft or less.

    Low: 55 °F

    Heavy Rain

  • Wednesday

    Wednesday: NNE wind 5 to 10 kt, with gusts as high as 20 kt. A chance of showers, mainly before 1pm.   Waves 1 ft or less.

    High: 69 °F

    Chance Showers

  • Wednesday
    Night

    Wednesday Night: Variable winds 5 kt or less. A chance of showers.   Waves 1 ft or less.

    Low: 55 °F

    Chance Showers

  • Thursday

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

    High: 74 °F

    Sunny

  • Thursday
    Night

    Thursday Night: WSW wind 5 to 10 kt. Mostly clear. Waves 1 ft or less.

    Low: 57 °F

    Mostly Clear

  • Friday

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

    High: 75 °F

    Mostly Sunny

  • Friday
    Night

    Friday Night: Variable winds 5 kt or less. A chance of showers.   Waves 1 ft or less.

    Low: 57 °F

    Chance Showers

  • Saturday

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

    High: 73 °F

    Partly Sunny



  • This Afternoon: Variable winds 5 kt or less. Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Waves 1 ft or less.

    Tonight: NNE wind 5 to 10 kt, with gusts as high as 20 kt. Showers and possibly a thunderstorm before 1am, then a chance of showers. Some of the storms could produce heavy rainfall. Patchy fog between 8pm and 10pm. Waves 1 ft or less.

    Wednesday: NNE wind 5 to 10 kt, with gusts as high as 20 kt. A chance of showers, mainly before 1pm. Waves 1 ft or less.

    Wednesday Night: Variable winds 5 kt or less. A chance of showers. Waves 1 ft or less.

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

    Thursday Night: WSW wind 5 to 10 kt. Mostly clear. Waves 1 ft or less.

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

    Friday Night: Variable winds 5 kt or less. A chance of showers. Waves 1 ft or less.

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



    Marine Point Forecast: 47.92°N 89.17°W
    Associated Zone Forecast which includes this point

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