FZUS81 KWBC 151300 GREAT LAKES ICE OUTLOOK NATIONAL ICE CENTER 0900AM EST SAT MAR 15 2025 Northern Lake Michigan Open water except 8 tenths medium lake including 3 tenths thick lake ice north and east of Beaver Island. Consolidated thick lake ice along parts of the shore and in the Straits of Mackinac. Southern Lake Michigan Open water except 8 tenths thin lake ice off parts of the eastern shore. Green Bay 7 tenths thick lake ice except consolidated thick lake ice in southern Green Bay and Bays De Noc.