Active Weather Alerts
Special Marine Warning
Issued: 8:34 AM Aug. 11, 2026 – National Weather Service
The National Weather Service in Chicago has issued a * Special Marine Warning for... Nearshore Waters from Winthrop Harbor to Wilmette Harbor... Open Waters from Winthrop Harbor to Michigan City out to Mid Lake... * Until 500 AM CDT. * At 333 AM CDT, a severe thunderstorm was located 7 nm southeast of Waukegan Harbor, moving east at 25 knots. HAZARD...Wind gusts to 40 knots and large hail. SOURCE...Radar. IMPACT...Small craft could be damaged in briefly higher winds and suddenly higher waves. Large hail could result in structural damage. * Locations impacted include... Waukegan Harbor. PRECAUTIONARY/PREPAREDNESS ACTIONS... Move to safe harbor until hazardous weather passes. && HAIL...>.75IN; WIND...40KTS
Local Radar