Moderate Expected Likely Beach Hazards Statement Beach Hazards Statement issued July 21 at 9:48AM CDT until July 22 at 10:00PM CDT by NWS Chicago IL Jul 21, 4:00 PM → Jul 22, 10:00 PM WHAT: High wave action and dangerous currents at LakeMichigan beaches expected. WHERE: Lake IL, Northern Cook and Central Cook Counties. WHEN: From this afternoon through Wednesday evening. IMPACTS: Swimming conditions will be life threatening,especially for inexperienced swimmers. For information on swimadvisories or bans at Chicago beaches: www. cpdbeaches. com. + Read More Remain out of the water to avoid dangerous swimming conditions and do not venture out onto piers, jetties, breakwalls, or other shoreline structures. Updated: Jul 21, 10:45 AM Source: NWS Alert