####018000485#### FZUS81 KWBC 131315 GREAT LAKES ICE OUTLOOK NATIONAL ICE CENTER 0815AM EST THU FEB 13 2025 Northern Lake Michigan Open water except 9 tenths medium lake ice north and east of Beaver Island. Consolidated medium lake ice along the shore and in the Straits of Mackinac. Southern Lake Michigan Open water except 9 tenths new lake ice including 1 tenth medium lake ice along the shore. Green Bay Consolidated thick lake ice.