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Marine Thunderstorm Wind · Lake Michigan

Marine Thunderstorm Wind August 9, 2025 · Rock Island Passage To Sturgeon Bay Wi 5nm Offshore To Mid Lake, Lake Michigan

45 mph
Measured gust (39 kt)

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

What the National Weather Service wrote

Thunderstorms produced a wind gust to 39 knots at the NOAA northern Lake Michigan buoy.

The wider storm

A line of thunderstorms produced strong winds over the bay of Green Bay and Lake Michigan during the evening hours on Saturday (8/09) as well as a brief waterspout over Eagle Harbor on the bay of Green Bay.

Began near North Michigan Buoy (45002) (45.3400, -86.4100).

Source: NOAA Storm Events Database, event 1281022. Narratives are written by the National Weather Service forecast office that issued the report.

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