| NWS Forecast for: 21NM E Grand Portage MN Lake Superior Issued by: National Weather Service Marquette, MI Last Update: 9:26 pm CDT May 21, 2024 |  |
Overnight: ESE wind 25 to 30 km/h, with gusts as high as 50 km/h. Showers and possibly a thunderstorm before 1am, then showers and thunderstorms likely between 1am and 4am, then showers likely and possibly a thunderstorm after 4am. Some of the storms could produce heavy rainfall. Waves 1 m or less. Wednesday: S wind 30 to 40 km/h becoming SW 45 to 55 km/h in the afternoon. Winds could gust as high as 80 km/h. Scattered showers and thunderstorms, then showers likely after 3pm. Waves 1 m or less. Wednesday Night: WSW wind 35 to 40 km/h, with gusts as high as 60 km/h. A chance of showers before 10pm. Waves 1 m or less. Thursday: WSW wind 25 to 30 km/h decreasing to 20 to 25 km/h in the afternoon. Winds could gust as high as 40 km/h. Mostly sunny. Waves 1 m or less. Thursday Night: W wind around 15 km/h becoming N after midnight. A slight chance of showers. Waves 1 m or less. Friday: ENE wind 15 to 25 km/h, with gusts as high as 35 km/h. A chance of showers after 1pm. Waves 1 m or less. Friday Night: ENE wind around 25 km/h becoming SSE after midnight. Winds could gust as high as 40 km/h. Showers likely before 7pm, then showers likely and possibly a thunderstorm between 7pm and 1am, then a chance of showers and thunderstorms after 1am. Waves 1 m or less. Saturday: WSW wind around 25 km/h, with gusts as high as 40 km/h. A chance of showers. Waves 1 m or less. Saturday Night: W wind 15 to 20 km/h, with gusts as high as 25 km/h. Mostly cloudy. 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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