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: 1:25 am CDT Jul 13, 2025




Sunday: SSW wind 10 to 15 kt, with gusts as high as 20 kt. Areas of smoke. Waves 1 ft or less.

Sunday Night: WSW wind 5 to 15 kt. A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Areas of smoke before 1am. Waves 1 ft or less.

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

Monday Night: Variable winds 5 kt or less. A chance of showers and thunderstorms between 1am and 4am, then a chance of showers after 4am. Waves 1 ft or less.

Tuesday: Variable winds 5 kt or less. A chance of showers, with thunderstorms also possible after 1pm. Waves 1 ft or less.

Tuesday Night: NNE wind 5 to 10 kt. Showers likely, mainly before 1am. Waves 1 ft or less.

Wednesday: NNE wind around 10 kt, with gusts as high as 20 kt. A chance of showers. Waves 1 ft or less.

Wednesday Night: NE wind 5 to 10 kt becoming N after midnight. A chance of showers. Waves 1 ft or less.

Thursday: Variable winds 5 kt or less. Mostly sunny. 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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