Active Weather Alerts
Special Marine Warning
Issued: 3:47 AM Jun. 14, 2026 – National Weather Service
The National Weather Service in Chicago has issued a * Special Marine Warning for... Nearshore Waters from Winthrop Harbor to Calumet Harbor... Nearshore Waters from Calumet Harbor to Gary... Open Waters from Winthrop Harbor to Michigan City out to Mid Lake... * Until 1215 AM CDT. * At 1047 PM CDT, strong thunderstorms were located along a line extending from 29 nm east of Waukegan Harbor to 9 nm northeast of Wilmette Harbor to 8 nm northeast of Aurora, moving southeast at 25 knots. HAZARD...Wind gusts to 40 knots and small hail. SOURCE...Radar. IMPACT...Small craft could be damaged in briefly higher winds and suddenly higher waves. * Locations impacted include... Harrison-Dever Crib, Wilmette Harbor, 31st Street Harbor, Monroe Harbor, Calumet Harbor, Indiana Harbor, Montrose Harbor, Burnham Harbor, Hammond Marina, Jackson Park Harbor, Belmont Harbor, and 59th Street Marina. PRECAUTIONARY/PREPAREDNESS ACTIONS... Move to safe harbor immediately as gusty winds and high waves are expected. && HAIL...<.75IN; WIND...40KTS
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