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Marine Thunderstorm Wind · Lake Michigan

Marine Thunderstorm Wind May 15, 2025 · Wilmette Harbor To Northerly Island Il, Lake Michigan

79 mph

Estimated gust (69 kt)

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

What the National Weather Service wrote

Winds gusted over 40 knots for nearly a half hour with a peak gust to 69 knots at 1924 CST.

The wider storm

Severe thunderstorms moved across southern Lake Michigan during the evening of May 15th producing large hail and severe wind gusts as high as 69 knots.

Began near Harrison-dever Crib (41.9200, -87.5700).

Source: NOAA Storm Events Database, event 1251302. Narratives are written by the National Weather Service forecast office that issued the report.

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