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Marquette, MI Local Forecast Office

21NM E Grand Portage MN

Marine Point Forecast

[NOTICE]
    • Today

      Today:ESE wind 5 to 10 km/h. Mostly sunny. Waves 1 m or less.

      High: 23 °C

      ESE 10km/h
      < 1m

    • Tonight

      Tonight:E wind 5 to 10 km/h. Partly cloudy. Waves 1 m or less.

      Low: 12 °C

      E 10km/h
      < 1m

    • Independence Day

      Independence Day:S wind around 10 km/h. A chance of showers and thunderstorms.   Waves 1 m or less.

      High: 24 °C

      S 10km/h
      < 1m

    • Friday Night

      Friday Night:SSE wind 10 to 15 km/h becoming SW after midnight. A chance of showers and thunderstorms.   Waves 1 m or less.

      Low: 14 °C

      SW 15km/h
      < 1m

    • Saturday

      Saturday:SW wind around 15 km/h. Showers and possibly a thunderstorm.   Waves 1 m or less.

      High: 24 °C

      SW 15km/h
      < 1m

    • Saturday Night

      Saturday Night:W wind around 15 km/h becoming N after midnight. Winds could gust as high as 30 km/h. Showers likely, mainly before 1am.   Waves 1 m or less.

      Low: 13 °C

      N 15km/h
      < 1m

    • Sunday

      Sunday:N wind 10 to 15 km/h becoming E in the afternoon. Winds could gust as high as 30 km/h. Mostly sunny. Waves 1 m or less.

      High: 22 °C

      N 15km/h
      < 1m

    • Sunday Night

      Sunday Night:SW wind 5 to 10 km/h becoming WNW in the evening. Partly cloudy. Waves 1 m or less.

      Low: 12 °C

      SW 10km/h
      < 1m

    • Monday

      Monday:WSW wind 5 to 10 km/h becoming S in the afternoon. Sunny. Waves 1 m or less.

      High: 21 °C

      S 10km/h
      < 1m


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 6:10 am CDT Jul 3, 2025
Forecast Valid: 11am CDT Jul 3, 2025-6pm CDT Jul 9, 2025

View Nearby Observations

Detailed Forecast

Today
ESE wind 5 to 10 km/h. Mostly sunny. Waves 1 m or less.
Tonight
E wind 5 to 10 km/h. Partly cloudy. Waves 1 m or less.
Independence Day
S wind around 10 km/h. A chance of showers and thunderstorms. Waves 1 m or less.
Friday Night
SSE wind 10 to 15 km/h becoming SW after midnight. A chance of showers and thunderstorms. Waves 1 m or less.
Saturday
SW wind around 15 km/h. Showers and possibly a thunderstorm. Waves 1 m or less.
Saturday Night
W wind around 15 km/h becoming N after midnight. Winds could gust as high as 30 km/h. Showers likely, mainly before 1am. Waves 1 m or less.
Sunday
N wind 10 to 15 km/h becoming E in the afternoon. Winds could gust as high as 30 km/h. Mostly sunny. Waves 1 m or less.
Sunday Night
SW wind 5 to 10 km/h becoming WNW in the evening. Partly cloudy. Waves 1 m or less.
Monday
WSW wind 5 to 10 km/h becoming S in the afternoon. Sunny. Waves 1 m 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: 6:10 am CDT Jul 3, 2025
Forecast Valid: 11am CDT Jul 3, 2025-6pm CDT Jul 9, 2025
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