Marine Thunderstorm Wind · Lake Michigan

Marine Thunderstorm Wind August 12, 2025 · Winthrop Harbor To Wilmette Harbor Il, Lake Michigan

45 mph

Measured gust (39 kt)

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

The wider storm

Strong thunderstorms produced gusty winds as they moved over southern portions of Lake Michigan.

Began near Wilmette Buoy (42.1400, -87.6600).

Source: NOAA Storm Events Database, event 1284572. 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.