Active Weather Alerts
Special Marine Warning
Issued: 7:25 PM Aug. 9, 2026 – National Weather Service
...A SPECIAL MARINE WARNING REMAINS IN EFFECT UNTIL 345 PM CDT... For the following areas... Nearshore Waters from Wilmette Harbor to Calumet Harbor... Nearshore Waters from Calumet Harbor to Michigan City... Open Waters from Wilmette Harbor to Michigan City out to Mid Lake... At 225 PM CDT, strong thunderstorms were located along a line extending from 15 nm northwest of New Buffalo to 13 nm north of Burns Harbor to 31st Street Harbor, moving east at 25 knots. HAZARD...Wind gusts 34 knots or greater and small hail. SOURCE...Radar indicated. IMPACT...Small craft could be damaged in briefly higher winds and suddenly higher waves. Locations impacted include... Harrison-Dever Crib, 31st Street Harbor, Monroe Harbor, Burns Harbor, Calumet Harbor, Indiana Harbor, Montrose Harbor, Burnham Harbor, Hammond Marina, Jackson Park Harbor, Marina Shores at Dune Harbor, and 59th Street Marina. PRECAUTIONARY/PREPAREDNESS ACTIONS... Move to safe harbor until hazardous weather passes. && HAIL...<.75IN; WIND...>34KTS
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