| NWS Forecast for: 10NM SW Grand Portage MN Lake Superior Issued by: National Weather Service Duluth, MN Last Update: 5:26 pm CDT Jul 5, 2025 | |
Late Afternoon: Variable winds 5 kt or less. A chance of showers. Patchy dense fog. Waves 1 ft or less. Tonight: NW wind 5 to 10 kt becoming NNE after midnight. Winds could gust as high as 20 kt. A slight chance of showers before 8pm. Patchy dense fog before 7pm. Waves 1 ft or less. Sunday: NNE wind 5 to 10 kt becoming SE in the afternoon. Winds could gust as high as 15 kt. Mostly sunny. Waves 1 ft or less. Sunday Night: Variable winds 5 kt or less. Partly cloudy. Waves 1 ft or less. Monday: Variable winds 5 kt or less. Mostly sunny. Waves 1 ft or less. Monday Night: Variable winds 5 kt or less. A chance of showers before 10pm, then a chance of showers and thunderstorms between 10pm and 1am, then showers likely and possibly a thunderstorm after 1am. Waves 1 ft or less. Tuesday: Variable winds 5 kt or less. A chance of showers, mainly before 1pm. Waves 1 ft or less. Tuesday Night: Variable winds 5 kt or less. Mostly cloudy. Waves 1 ft or less. Wednesday: Variable winds 5 kt or less. Partly sunny. 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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