FICN19 CWIS 011645
Ice forecasts for the Great Lakes issued by Environment Canada at
12:00 P.M. EST Sunday 1 March 2026 for today tonight and Monday.
The next scheduled forecasts will be issued at 12:00 P.M. Monday.

Western Lake Superior.
6 tenths new lake ice including 2 tenths thick lake ice except 9
plus tenths thick lake ice along parts of the southern shore and
north of Isle Royale. Consolidated thick lake ice in the northern
bays and along parts of the southern shore. 

Eastern Lake Superior.
1 tenth thin lake ice except 9 tenths thin lake ice including 3
tenths thick lake ice along the shores. Consolidated thick lake ice
along parts of the southern and eastern shores. 

Whitefish Bay
North Channel.
Consolidated thick lake ice. 

Northern Lake Huron.
3 tenths thin lake ice including 1 tenth thick lake ice except 9
tenths thick lake ice along the eastern shore. Consolidated thick
lake ice along parts of the shore and in the Straits of Mackinac. 

Southern Lake Huron.
5 tenths thin lake ice including 1 tenth thick lake ice except 9
plus tenths thick lake ice along the eastern shore. Consolidated
thick lake ice along parts of the shore and in Saginaw Bay. 

Northern Georgian Bay.
7 tenths thick lake ice. Consolidated thick lake ice along parts of
the shores. 

Southern Georgian Bay.
5 tenths thick lake ice. Consolidated thick lake ice along parts of
the shores. 

Lake St. Clair.
9 plus tenths thick lake ice except consolidated thick lake ice in
the eastern section. 

Western Lake Erie.
4 tenths thin lake ice including 1 tenth thick lake ice except 9
tenths thick lake ice in the southeastern section and in parts of
Western Basin. Consolidated thick lake ice along parts of the shore.

Eastern Lake Erie.
8 tenths thick lake ice. Consolidated thick lake ice along parts of
the shore. 

Western Lake Ontario.
Open water. Consolidated medium lake ice in sheltered bays. 

Eastern Lake Ontario.
1 tenth new lake ice except 9 tenths thick lake ice along parts of
the northeastern shore. Consolidated thick lake ice along parts of
the shore. 

Northern Lake Michigan.
2 tenths thick lake ice. Consolidated medium lake ice in southern
Grand Traverse Bay. Consolidated thick lake ice north of and east of
Beaver Island and in Little Traverse Bay. 

Southern Lake Michigan.
Open water except 9 tenths medium lake ice along parts of the
eastern shore. 

Green Bay.
7 tenths thick lake ice. Consolidated thick lake ice in Bays de Noc
and southern Green Bay. 

The Lake Michigan ice description has been prepared by the U.S.
National Ice Center.

The Great Lakes ice warnings are issued by the Canadian Ice Service.

End