An advisory is in effect for all Lake Michigan beaches in Chicago, the north suburbs and Northwest Indiana, officials said.
The Beach Hazards Statement advisory began Wednesday and is expected to last until Thursday at 10 a.m.
Wave heights will range from 3 to 5 feet, ABC7 meteorologists said.
A list of swim advisories or bans at Chicago beaches can be found at www.chicagoparkdistrict.com/parks-facilities/beaches.