| NWS Forecast for: 10NM SW Grand Portage MN Lake Superior Issued by: National Weather Service Duluth, MN Last Update: 9:56 am CDT Jun 21, 2025 | |
This Afternoon: SW wind 5 to 10 kt. Mostly sunny. Waves 2 to 3 ft. Tonight: ENE wind 5 to 10 kt, with gusts as high as 20 kt. A chance of showers and thunderstorms. Waves around 1 ft. Sunday: NE wind around 10 kt, with gusts as high as 20 kt. A chance of showers, with thunderstorms also possible after 1pm. Patchy fog before 10am. Waves around 1 ft. Sunday Night: ENE wind 5 to 10 kt becoming WSW after midnight. Winds could gust as high as 15 kt. Showers and thunderstorms likely before 10pm, then showers likely and possibly a thunderstorm between 10pm and midnight, then a chance of showers and thunderstorms after midnight. Waves 1 to 2 ft. Monday: WSW wind 10 to 15 kt, with gusts as high as 20 kt. A chance of showers and thunderstorms. Waves 1 to 2 ft. Monday Night: W wind 5 to 10 kt becoming NW after midnight. Winds could gust as high as 20 kt. Mostly clear. Waves 1 ft or less. Tuesday: N wind 5 to 10 kt becoming SSE in the afternoon. Mostly sunny. Waves 1 ft or less. Tuesday Night: Variable winds 5 kt or less. A slight chance of showers. Waves 1 ft or less. Wednesday: E wind 5 to 10 kt. A chance of showers. Waves 1 ft or less. | |
| Marine Point Forecast: 47.86°N 89.86°W Associated Zone Forecast which includes this point | |
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