Home / Lake Superior / Grand Marais To Taconite Hbr Mn

Marine Thunderstorm Wind · Lake Superior

Marine Thunderstorm Wind August 9, 2025 · Grand Marais To Taconite Hbr Mn, Lake Superior

40 mph

Measured gust (35 kt)

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

What the National Weather Service wrote

A gust of 40 mph was recorded at the ASOS station KGNA Bay Of Grand Marais.

The wider storm

Another complex of thunderstorms developed the night of the 8th into the 9th across the Northern Plains and pushed eastward across the Northland during the morning hours. Storms were weakening as they reached Lake Superior, but did produce a few strong gusts in the Grand Marais area to around 40 mph as they moved through.

Began near Bay of Grand Marais Asos (47.7500, -90.3500).

Source: NOAA Storm Events Database, event 1290322. Narratives are written by the National Weather Service forecast office that issued the report.

Tornadoes near your address

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