| NWS Forecast for: 21NM E Grand Portage MN Lake Superior Issued by: National Weather Service Marquette, MI Last Update: 6:07 am CDT Aug 17, 2026 | |
| Today: W wind 5 to 10 kt becoming SSW in the afternoon. Winds could gust as high as 20 kt. A slight chance of showers after 5pm. Waves 1 ft or less. Tonight: SW wind 5 to 10 kt becoming W after midnight. Winds could gust as high as 20 kt. A chance of showers and thunderstorms before 1am, then a slight chance of showers between 1am and 4am. Waves 1 ft or less. Tuesday: WNW wind 5 to 10 kt becoming WSW in the afternoon. Winds could gust as high as 20 kt. Sunny. Waves 1 ft or less. Tuesday Night: WSW wind 5 to 10 kt becoming NW after midnight. Mostly clear. Waves 1 ft or less. Wednesday: Variable winds 5 kt or less. Sunny. Waves 1 ft or less. Wednesday Night: Variable winds 5 kt or less. Partly cloudy. Waves 1 ft or less. Thursday: Variable winds 5 kt or less. Mostly sunny. Waves 1 ft or less. Thursday Night: Variable winds 5 kt or less. A chance of showers. Waves 1 ft or less. Friday: SW wind 5 to 10 kt, with gusts as high as 15 kt. A chance of showers. Waves 1 ft or less. | |
| Marine Point Forecast: 47.92°N 89.17°W Associated Zone Forecast which includes this point | |
Visit your local NWS office at: https://www.weather.gov/mqt/ |