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: 9:12 am CDT Sep 13, 2026




Today: WNW wind 20 to 25 km/h, with gusts as high as 35 km/h. Mostly sunny. Waves 1 m or less.

Tonight: NW wind 15 to 20 km/h decreasing to 5 to 10 km/h after midnight. Winds could gust as high as 35 km/h. Mostly clear. Waves 1 m or less.

Monday: SSW wind 5 to 10 km/h becoming S 10 to 15 km/h in the afternoon. Winds could gust as high as 25 km/h. Increasing clouds. Waves 1 m or less.

Monday Night: SSE wind 25 to 30 km/h becoming S 30 to 35 km/h after midnight. Winds could gust as high as 55 km/h. Showers, mainly before 1am. Waves 1 m or less.

Tuesday: W wind 30 to 40 km/h, with gusts as high as 70 km/h. Mostly sunny. Waves 1 m or less.

Tuesday Night: W wind 20 to 25 km/h, with gusts as high as 35 km/h. Mostly clear. Waves 1 m or less.

Wednesday: NNW wind 5 to 10 km/h becoming SSE in the afternoon. Mostly sunny. Waves 1 m or less.

Wednesday Night: SE wind around 10 km/h becoming S after midnight. A chance of showers. Waves 1 m or less.

Thursday: W wind around 10 km/h. A chance of showers. Waves 1 m or less.



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

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