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Marquette, MI Local Forecast Office

21NM E Grand Portage MN

Marine Point Forecast

[NOTICE]
    • Tonight

      Tonight:Variable winds 5 kt or less. Mostly cloudy, then gradually becoming mostly clear. Waves 1 ft or less.

      Low: 25 °F

      Light Wind
      < 1ft

    • Sunday

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

      High: 46 °F

      Light Wind
      < 1ft

    • Sunday Night

      Sunday Night:ESE wind 5 to 10 kt becoming ENE after midnight. A chance of showers, mainly after 1am.   Waves 1 ft or less.

      Low: 33 °F

      ESE 10kt
      < 1ft

    • Monday

      Monday:NE wind around 15 kt becoming N in the afternoon. Winds could gust as high as 25 kt. Rain and snow showers likely before 4pm, then a chance of rain showers.   Waves 1 ft or less.

      High: 42 °F

      NNE 15kt
      < 1ft

    • Monday Night

      Monday Night:NNW wind 10 to 15 kt. Mostly cloudy. Waves 1 ft or less.

      Low: 33 °F

      NNW 15kt
      < 1ft

    • Tuesday

      Tuesday:N wind 5 to 10 kt becoming E in the afternoon. Partly sunny. Waves 1 ft or less.

      High: 44 °F

      NE 10kt
      < 1ft

    • Tuesday Night

      Tuesday Night:ESE wind around 10 kt. A chance of showers.   Waves 1 ft or less.

      Low: 36 °F

      ESE 10kt
      < 1ft

    • Wednesday

      Wednesday:SSE wind around 10 kt becoming SW in the afternoon. Winds could gust as high as 15 kt. Partly sunny. Waves 1 ft or less.

      High: 48 °F

      SSW 10kt
      < 1ft

    • Wednesday Night

      Wednesday Night:WSW wind 5 to 10 kt becoming WNW after midnight. Partly cloudy. Waves 1 ft or less.

      Low: 36 °F

      WSW 10kt
      < 1ft


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 6:12 pm CDT Apr 19, 2025
Forecast Valid: 7pm CDT Apr 19, 2025-6pm CDT Apr 26, 2025

View Nearby Observations

Detailed Forecast

Tonight
Variable winds 5 kt or less. Mostly cloudy, then gradually becoming mostly clear. Waves 1 ft or less.
Sunday
Variable winds 5 kt or less. Mostly sunny. Waves 1 ft or less.
Sunday Night
ESE wind 5 to 10 kt becoming ENE after midnight. A chance of showers, mainly after 1am. Waves 1 ft or less.
Monday
NE wind around 15 kt becoming N in the afternoon. Winds could gust as high as 25 kt. Rain and snow showers likely before 4pm, then a chance of rain showers. Waves 1 ft or less.
Monday Night
NNW wind 10 to 15 kt. Mostly cloudy. Waves 1 ft or less.
Tuesday
N wind 5 to 10 kt becoming E in the afternoon. Partly sunny. Waves 1 ft or less.
Tuesday Night
ESE wind around 10 kt. A chance of showers. Waves 1 ft or less.
Wednesday
SSE wind around 10 kt becoming SW in the afternoon. Winds could gust as high as 15 kt. Partly sunny. Waves 1 ft or less.
Wednesday Night
WSW wind 5 to 10 kt becoming WNW after midnight. Partly cloudy. Waves 1 ft or less.

*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: 47.92°N 89.17°W
Last Update: 6:12 pm CDT Apr 19, 2025
Forecast Valid: 7pm CDT Apr 19, 2025-6pm CDT Apr 26, 2025
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