| NWS Forecast for: 10NM SW Grand Portage MN Lake Superior Issued by: National Weather Service Duluth, MN Last Update: 1:57 pm CDT Jul 12, 2025 |  |
| This Afternoon: WSW wind around 15 km/h, with gusts as high as 25 km/h. A chance of showers and thunderstorms, mainly before 5pm. Areas of smoke before 4pm. Waves 1 m or less. Tonight: WSW wind around 15 km/h, with gusts as high as 25 km/h. A slight chance of showers and thunderstorms before 7pm. Areas of smoke. Waves 1 m or less. Sunday: SW wind 15 to 25 km/h, with gusts as high as 35 km/h. Areas of smoke. Waves 1 m or less. Sunday Night: WSW wind 15 to 20 km/h becoming WNW after midnight. Winds could gust as high as 35 km/h. A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Areas of smoke before 11pm, then Areas of smoke after 5am. Waves 1 m or less. Monday: WNW wind around 15 km/h becoming SW in the afternoon. Winds could gust as high as 25 km/h. Areas of smoke before 8am. Waves 1 m or less. Monday Night: WNW wind around 10 km/h becoming ENE in the evening. A slight chance of showers before 1am, then a chance of showers and thunderstorms between 1am and 4am, then a chance of showers after 4am. Waves 1 m or less. Tuesday: E wind around 15 km/h becoming W in the afternoon. Winds could gust as high as 25 km/h. A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Waves 1 m or less. Tuesday Night: N wind around 15 km/h, with gusts as high as 30 km/h. Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Waves 1 m or less. Wednesday: ENE wind 15 to 20 km/h, with gusts as high as 30 km/h. A chance of showers and thunderstorms. Waves 1 m or less. | |
| Marine Point Forecast: 47.86°N 89.86°W Associated Zone Forecast which includes this point | |
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