For More Weather Information:

Marquette, MI Local Forecast Office

21NM E Grand Portage MN

Marine Point Forecast

[NOTICE]
    • Today

      Today:NW wind 5 to 10 kt. Partly sunny. Waves 1 ft or less.

      High: 53 °F

      NW 10kt
      < 1ft

    • Tonight

      Tonight:Variable winds 5 kt or less. Mostly cloudy. Waves 1 ft or less.

      Low: 43 °F

      Light Wind
      < 1ft

    • Thursday

      Thursday:S wind 5 to 10 kt becoming SW in the afternoon. Showers likely, mainly between 2pm and 4pm.   Waves 1 ft or less.

      High: 53 °F

      S 10kt
      < 1ft

    • Thursday Night

      Thursday Night:SW wind 5 to 10 kt becoming NNW 15 to 20 kt after midnight. Winds could gust as high as 35 kt. Showers likely, mainly between 7pm and 1am.   Waves 1 ft or less.

      Low: 40 °F

      ⇑NNW 20kt
      < 1ft

    • Friday

      Friday:N wind 20 to 25 kt decreasing to 15 to 20 kt in the afternoon. Winds could gust as high as 40 kt. Mostly cloudy, then gradually becoming sunny. Waves 1 ft or less.

      High: 52 °F

      N 25kt⇓
      < 1ft

    • Friday Night

      Friday Night:NNW wind 5 to 10 kt becoming WSW after midnight. Winds could gust as high as 20 kt. Mostly clear. Waves 1 ft or less.

      Low: 39 °F

      NNW 10kt
      < 1ft

    • Saturday

      Saturday:WSW wind 15 to 20 kt, with gusts as high as 30 kt. Sunny. Waves 1 ft or less.

      High: 53 °F

      WSW 20kt
      < 1ft

    • Saturday Night

      Saturday Night:SW wind 10 to 20 kt, with gusts as high as 30 kt. Mostly clear. Waves 1 ft or less.

      Low: 45 °F

      SW 20kt
      < 1ft

    • Sunday

      Sunday:SW wind 20 to 25 kt, with gusts as high as 35 kt. Mostly sunny. Waves 1 ft or less.

      High: 55 °F

      SW 25kt
      < 1ft


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 3:12 am CDT Oct 14, 2026
Forecast Valid: 8am CDT Oct 14, 2026-6pm CDT Oct 20, 2026

View Nearby Observations

Detailed Forecast

Today
NW wind 5 to 10 kt. Partly sunny. Waves 1 ft or less.
Tonight
Variable winds 5 kt or less. Mostly cloudy. Waves 1 ft or less.
Thursday
S wind 5 to 10 kt becoming SW in the afternoon. Showers likely, mainly between 2pm and 4pm. Waves 1 ft or less.
Thursday Night
SW wind 5 to 10 kt becoming NNW 15 to 20 kt after midnight. Winds could gust as high as 35 kt. Showers likely, mainly between 7pm and 1am. Waves 1 ft or less.
Friday
N wind 20 to 25 kt decreasing to 15 to 20 kt in the afternoon. Winds could gust as high as 40 kt. Mostly cloudy, then gradually becoming sunny. Waves 1 ft or less.
Friday Night
NNW wind 5 to 10 kt becoming WSW after midnight. Winds could gust as high as 20 kt. Mostly clear. Waves 1 ft or less.
Saturday
WSW wind 15 to 20 kt, with gusts as high as 30 kt. Sunny. Waves 1 ft or less.
Saturday Night
SW wind 10 to 20 kt, with gusts as high as 30 kt. Mostly clear. Waves 1 ft or less.
Sunday
SW wind 20 to 25 kt, with gusts as high as 35 kt. Mostly sunny. 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.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

Point Forecast: 47.92°N 89.17°W
Last Update: 3:12 am CDT Oct 14, 2026
Forecast Valid: 8am CDT Oct 14, 2026-6pm CDT Oct 20, 2026
  Forecast Discussion
  Get as KML Get as XML

RADAR & SATELLITE IMAGES

 Link to Satellite Data