Marine Thunderstorm Wind · Lake Michigan

Marine Thunderstorm Wind May 18, 2026 · Wilmette Harbor To Northerly Island Il, Lake Michigan

52 mph

Measured gust (45 kt)

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

What the National Weather Service wrote

A wind gust to 45 knots was measured at the Montrose Harbor Light.

A line of strong to severe thunderstorms moved across southern Lake Michigan during the late morning and early afternoon of May 18th.

Began near Montrose Harbor (41.9687, -87.6310).

Source: NOAA Storm Events Database, event 1333515. 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.