ABC 7 Chicago's meteorologist Larry Mowry warned about the dangers of the waves on Twitter.
The large waves were expected while a Lakeshore Flood Advisory was in effect since 12 a.m. Monday. This advisory will continue until Tuesday 6 a.m. for Northern and Central Cook County in Illinois.
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A Lakeshore Flood Warning was also put out in Lake and Porter counties in Indiana, which will continue until noon Tuesday. Lake County also has a Winter Weather Advisory that will last until 9 p.m. Additionally, Indiana saw Winter Weather Warning in LaPorte, Starke and Berrien counties that will last until 8 a.m. Tuesday. Porter and Jasper counties will have a Winter Weather Advisory until 6 a.m. Tuesday.
Wind will be a problem throughout Monday, and the weather will be much colder than the past weekend.
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People were advised to be on alert for high waves and minor flooding near the lake by Notify Chicago, the city's alert system.