Marine High Wind · Lake Superior

Marine High Wind December 20, 2025 · Eagle River To Manitou Island Mi, Lake Superior

55 mph

Measured gust (48 kt)

Where the report was made, with tornadoes recorded within 15 miles over the years.

What the National Weather Service wrote

Measured at the Copper Harbor ASOS.

Storm force westerly winds occurred behind a cold front during the afternoon and evening of the 20th.

Began near Copper Harbor (47.4673, -87.8731).

Source: NOAA Storm Events Database, event 1307850. Narratives are written by the National Weather Service forecast office that issued the report.

See every tornado that passed near a place you know, measured to its path.