| NWS Forecast for: 21NM E Grand Portage MN Lake Superior Issued by: National Weather Service Marquette, MI Last Update: 7:08 pm CDT Sep 15, 2026 |  |
| Tonight: W wind 15 to 20 km/h, with gusts as high as 35 km/h. Mostly clear. Waves 1 m or less. Wednesday: NNW wind 5 to 10 km/h becoming variable and less than 5 km/h. Mostly sunny. Waves 1 m or less. Wednesday Night: SSE wind 5 to 10 km/h becoming SW after midnight. Mostly cloudy. Waves 1 m or less. Thursday: WSW wind around 10 km/h. Mostly sunny. Waves 1 m or less. Thursday Night: W wind 10 to 15 km/h becoming NE after midnight. Partly cloudy. Waves 1 m or less. Friday: E wind around 15 km/h. Partly sunny. Waves 1 m or less. Friday Night: E wind 10 to 15 km/h. Mostly cloudy. Waves 1 m or less. Saturday: ENE wind 10 to 15 km/h. Partly sunny. Waves 1 m or less. Saturday Night: NE wind 10 to 15 km/h. Mostly cloudy. Waves 1 m 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/ |
