FICN19 CWIS 241545 Ice forecasts for the Great Lakes issued by Environment Canada at 12:00 p.m. EDT Wednesday 24 April 2024 for today tonight and Thursday. The next scheduled forecasts will be issued at 12:00 p.m. Thursday. Western Lake Superior. Open water. Eastern Lake Superior Whitefish Bay Lake Huron North Channel Georgian Bay Lake St. Clair Lake Erie Lake Ontario Lake Michigan. Ice free. The Lake Michigan ice description has been prepared by the U.S. National Ice Center. End