| NWS Forecast for: 10NM SW Grand Portage MN Lake Superior Issued by: National Weather Service Duluth, MN Last Update: 9:11 am CDT Jul 13, 2025 | |
Today: SW wind 20 to 25 km/h, with gusts as high as 40 km/h. A slight chance of showers and thunderstorms after 5pm. Areas of smoke. Waves around 1 m. Tonight: SW wind 20 to 25 km/h becoming W 10 to 15 km/h after midnight. Winds could gust as high as 35 km/h. A chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and 10pm. Areas of smoke after 2am. Waves around 1 m. Monday: W wind 10 to 15 km/h becoming SW in the afternoon. Areas of smoke. Waves 1 m or less. Monday Night: SW wind 5 to 10 km/h becoming ENE after midnight. A chance of showers and thunderstorms, mainly after 1am. Waves 1 m or less. Tuesday: E wind around 15 km/h becoming WSW in the afternoon. Winds could gust as high as 25 km/h. A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Waves 1 m or less. Tuesday Night: NNW wind around 15 km/h becoming NNE in the evening. Winds could gust as high as 30 km/h. Showers likely and possibly a thunderstorm. Waves 1 m or less. Wednesday: NNE wind around 20 km/h, with gusts as high as 35 km/h. A chance of showers and thunderstorms. Waves 1 m or less. Wednesday Night: NE wind around 15 km/h becoming N after midnight. Winds could gust as high as 30 km/h. A chance of showers. Waves 1 m or less. Thursday: N wind 15 to 20 km/h becoming S in the afternoon. Winds could gust as high as 25 km/h. A slight chance of showers. 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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