Great Lakes Ice Cover Forecast
FICN19 CWIS 201645
ICE FORECASTS FOR THE GREAT LAKES ISSUED BY ENVIRONMENT CANADA AT
12:00 P.M. EST TUESDAY 20 JANUARY 2026 FOR TODAY TONIGHT AND
WEDNESDAY.
THE NEXT SCHEDULED FORECASTS WILL BE ISSUED AT 12:00 P.M. WEDNESDAY.
WESTERN LAKE SUPERIOR.
OPEN WATER EXCEPT 9 TENTHS NEW LAKE ICE INCLUDING 2 TENTHS MEDIUM
LAKE ICE ALONG PARTS OF THE SHORES. CONSOLIDATED MEDIUM LAKE ICE
INCLUDING 2 TENTHS THICK LAKE ICE IN THUNDER BAY. CONSOLIDATED THICK
LAKE ICE IN BLACK BAY, CHEQUAMEGON BAY, AND NIPIGON BAY.
EASTERN LAKE SUPERIOR.
OPEN WATER EXCEPT 9 TENTHS NEW LAKE ICE ALONG PARTS OF THE SOUTHERN
SHORE. CONSOLIDATED THIN LAKE ICE ALONG PARTS OF THE SOUTHERN SHORE.
WHITEFISH BAY.
5 TENTHS NEW LAKE ICE INCLUDING 2 TENTHS THIN LAKE ICE. CONSOLIDATED
MEDIUM LAKE ICE ALONG PARTS OF THE SHORE.
NORTH CHANNEL.
9 PLUS TENTHS THIN LAKE ICE INCLUDING 3 TENTHS MEDIUM LAKE ICE.
CONSOLIDATED MEDIUM LAKE ICE IN THE EASTERN AND WESTERN SECTION.
CONSOLIDATED MEDIUM LAKE ICE INCLUDING 2 TENTHS THICK LAKE ICE IN
ST. MARYS RIVER.
NORTHERN LAKE HURON.
OPEN WATER EXCEPT 9 TENTHS NEW LAKE ICE INCLUDING 2 TENTHS THIN LAKE
ICE ALONG PARTS OF THE SHORE. 9 TENTHS MEDIUM LAKE ICE IN THE
STRAITS OF MACKINAC. CONSOLIDATED MEDIUM LAKE ICE ALONG PARTS OF THE
SHORE.
SOUTHERN LAKE HURON.
OPEN WATER EXCEPT 9 TENTHS THIN LAKE ICE INCLUDING 2 TENTHS MEDIUM
LAKE ICE ALONG PARTS OF THE SHORE. 9 PLUS TENTHS MEDIUM LAKE ICE IN
SAGINAW BAY. CONSOLIDATED MEDIUM LAKE ICE ALONG PARTS OF THE SHORE.
NORTHERN GEORGIAN BAY.
OPEN WATER EXCEPT 9 TENTHS THIN LAKE ICE INCLUDING 2 TENTHS MEDIUM
LAKE ICE NEAR THE NORTHERN SHORE. CONSOLIDATED MEDIUM LAKE ICE ALONG
PARTS OF THE SHORE.
SOUTHERN GEORGIAN BAY.
OPEN WATER EXCEPT 9 TENTHS NEW LAKE ICE INCLUDING 1 TENTH MEDIUM
LAKE ICE NEAR PARTS OF THE EASTERN SHORE. CONSOLIDATED MEDIUM LAKE
ICE ALONG PARTS OF THE NORTHEASTERN SHORE AND IN SEVERN SOUND.
LAKE ST. CLAIR.
9 PLUS TENTHS THIN LAKE ICE INCLUDING 1 TENTH MEDIUM LAKE ICE.
CONSOLIDATED THIN LAKE ICE INCLUDING 2 TENTHS MEDIUM LAKE ICE IN THE
EASTERN SECTION.
WESTERN LAKE ERIE.
8 TENTHS NEW LAKE ICE INCLUDING 1 TENTH MEDIUM LAKE ICE EXCEPT 9
TENTHS THIN LAKE ICE INCLUDING 1 TENTH MEDIUM LAKE ICE IN THE
WESTERN BASIN.
EASTERN LAKE ERIE.
2 TENTHS NEW LAKE ICE EXCEPT 7 TENTHS NEW LAKE ICE IN THE WESTERN
SECTION.
WESTERN LAKE ONTARIO.
OPEN WATER EXCEPT 5 TENTHS NEW LAKE ICE ALONG PARTS OF THE SHORE.
EASTERN LAKE ONTARIO.
OPEN WATER EXCEPT 7 TENTHS NEW LAKE ICE INCLUDING 2 TENTHS THIN LAKE
ICE IN THE EXTREME NORTHEASTERN SECTION. CONSOLIDATED MEDIUM LAKE
ICE IN SHELTERED BAYS AND IN THE BAY OF QUINTE.
NORTHERN LAKE MICHIGAN.
OPEN WATER EXCEPT 9 TENTHS MEDIUM LAKE ICE NORTH OF AND EAST OF
BEAVER ISLAND. CONSOLIDATED MEDIUM LAKE ICE IN THE STRAITS OF
MACKINAC. 2 TENTHS MEDIUM LAKE ICE NEAR GREEN BAY.
SOUTHERN LAKE MICHIGAN.
OPEN WATER EXCEPT 7 TENTHS NEW LAKE ICE ALONG THE SHORES.
GREEN BAY.
9 TENTHS THIN LAKE ICE INCLUDING 4 TENTHS MEDIUM LAKE ICE.
CONSOLIDATED MEDIUM 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
Source: National Ice Center and Government of Canada Ice Products.
Lake Huron Weather
