| NWS Forecast for: 21NM E Grand Portage MN Lake Superior Issued by: National Weather Service Marquette, MI Last Update: 11:41 pm CDT Jul 1, 2025 | |
Overnight: W wind around 10 km/h. Widespread haze after 2am. Waves 1 m or less. Wednesday: SW wind 10 to 15 km/h. A slight chance of showers between 11am and 1pm. Widespread haze between 10am and 3pm. Waves 1 m or less. Wednesday Night: WSW wind 5 to 15 km/h becoming NE after midnight. Mostly clear. Waves 1 m or less. Thursday: NE wind 5 to 10 km/h becoming ESE in the afternoon. Sunny. Waves 1 m or less. Thursday Night: E wind 5 to 10 km/h. Partly cloudy. Waves 1 m or less. Independence Day: ESE wind around 10 km/h. Partly sunny. Waves 1 m or less. Friday Night: SE wind 10 to 15 km/h becoming SSW after midnight. Winds could gust as high as 25 km/h. Showers likely, mainly after 1am. Waves 1 m or less. Saturday: SW wind around 15 km/h, with gusts as high as 30 km/h. Showers and possibly a thunderstorm. Waves 1 m or less. Saturday Night: SW wind around 15 km/h becoming N after midnight. Winds could gust as high as 25 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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