ice forecasts for the Great Lakes issued by Environment Canada at
12:00 p.M. EDT Sunday 21 March 2010 for today tonight and Monday.
The next scheduled forecasts will be issued at 12:00 p.M. Monday.
Western Lake Superior.
Ice free except isolated patches of 9 tenths of medium lake ice along
portions of the southwestern shore. 2 tenths of thick lake ice in
Thunder Bay except 9 tenths of thick lake ice over the northeastern
section.
Eastern Lake Superior.
Ice free except isolated patches of 9 to 10 tenths of rotten medium
lake ice along portions of the southern shore.
Whitefish Bay.
Open water except 9 tenths of thick lake ice over the southeastern
section.
North Channel.
2 tenths of thick lake ice except 9 to 10 tenths of rotten thick lake
ice in the eastern and western sections.
Northern Lake Huron.
Ice free except 9 tenths of medium lake ice including 3 tenths of
thick lake ice south of Bois Blanc Island.
Southern Lake Huron.
Ice free except patches of 9 tenths of thick lake ice within 10 miles
of Sarnia and over the eastern section of Saginaw Bay.
Georgian Bay.
Open water except 9 to 10 tenths of rotten thick lake ice along the
northeast Shore.
Lake St. Clair.
Open water.
Western Lake Erie.
Open water except patches of 9 tenths of thick lake ice along the
southern shore east of Cleveland.
Eastern Lake Erie.
Open water except 9 tenths of medium lake ice within 5 to 10 miles of
the southern shore west of Sturgeon pt.
Lake Ontario.
Ice free except 1 tenth of thick lake ice in the Bay of Quinte.
Northern Lake Michigan.
Open water except areas of 9 to 10 tenths of rotten medium lake ice
including 4 tenths of rotten thick lake ice over the southern section
of The Straits of Mackinac and in Little Traverse Bay.
Southern Lake Michigan.
Open water except 9 to 10 tenths of rotten medium lake ice along the
southeastern shore from Gary to Michigan City.
Green Bay.
Patches of 9 tenths of rotten thick lake ice southwest of Washington
Island and south of Chambers Island except consolidated rotten thick
lake ice over the northern sections of the bays de noc.
The Lake Michigan ice description has been prepared by the U.S.
National Ice Center.