Issued by the National Weather Service and archived by Claims Pages
EXPIRED8/19/2025 4:18:00 AM (UTC)Urgency: ExpectedSeverity: ModerateCertainty: Likely
8/19/2025 4:18:00 AM until 8/19/2025 12:30:00 PM
Remain out of the water to avoid dangerous swimming conditions
and do not venture out onto piers, jetties, breakwalls, or other
shoreline structures.
* WHAT...High wave action and dangerous currents expected at Lake
Michigan beaches. Waves 3 to 6 feet expected.
* WHERE...Lake IL, Northern Cook and Central Cook Counties.
* WHEN...From this evening through Thursday morning.
* IMPACTS...Swimming conditions will be life threatening,
especially for inexperienced swimmers. For information on swim
advisories or bans at Chicago beaches: www. cpdbeaches. com.