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: 8:36 pm CDT Apr 18, 2026




Tonight: NW wind around 15 kt, with gusts as high as 25 kt. Partly cloudy. Waves 1 ft or less.

Sunday: NW wind 10 to 15 kt, with gusts as high as 25 kt. Mostly sunny. Waves 1 ft or less.

Sunday Night: NNW wind 5 to 10 kt. Mostly clear. Waves 1 ft or less.

Monday: SW wind 5 to 10 kt becoming S in the afternoon. Winds could gust as high as 20 kt. Partly sunny. Waves 1 ft or less.

Monday Night: S wind 10 to 15 kt becoming W after midnight. Winds could gust as high as 25 kt. Mostly cloudy, then gradually becoming mostly clear. Waves 1 ft or less.

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

Tuesday Night: Variable winds 5 kt or less. Mostly clear. Waves 1 ft or less.

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

Wednesday Night: E wind 5 to 10 kt, with gusts as high as 15 kt. Partly cloudy. 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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