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Ice Analysis

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Great Lakes Ice Outlook (CLEICELIO)

issued Monday Wednesday Friday


This product will be issued starting Dec. 1, 2014

 


                             Freezing Degree Day Information

	CLEWRKLIO DEF 
TTAA00 KCLE 241715
 
FREEZING DEGREE DAY ACCUMULATIONS AT SELECTED STATIONS
COMPARED TO NORMAL CALCULATED ON Wed May 24:
 
LOCATION           DATE   NORMAL CURRENT
----------------------------------------
    
   DULUTH,   MN  MAY   23 1342  711    
MARQUETTE,   MI  MAY   23 1192  808    
SAU_S_MAR,   MI  MAY   23  734   80    
 GREENBAY,   WI  MAY   23  341    0    
MILWAUKEE,   WI  MAY   23    0    0    
  CHICAGO,   IL  MAY   23    0    0    
 MUSKEGON,   MI  MAY   23    0    0    
   ALPENA,   MI  MAY   23  315    0    
  DETROIT,   MI  MAY   23    0    0    
   TOLEDO,   OH  MAY   23    0    0    
CLEVELAND,   OH  MAY   23    0    0    
  BUFFALO,   NY  MAY   23    0    0    
 
 




                         Canadian Daily Ice Forecast 

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FICN19 CWIS 271545
Ice forecasts for the Great Lakes issued by Environment Canada at
12:00 p.m. EDT Thursday 27 April 2017.

Forecasts have ended for the season.

End

 
 
 
 
 



                            Freeze-Up/Break-Up Outlook (NWS CLE)

	

   National Ice Center 30 day ice outlook


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FECN19 CWIS 191800 
THIRTY DAY ICE OUTLOOK FOR THE GREAT LAKES ISSUED BY ENVIRONMENT CANADA 
ON 19 APRIL 2017 FOR MID-APRIL TO MID-MAY.  
THE NEXT SCHEDULED BULLETIN WILL BE ISSUED ON 3 MAY 2017.

Lake Superior

Average air temperatures were above normal in the first half of April. 
Air temperatures will be above normal for mid-April to mid-May. 

Thunder Bay.
April 19 to May 19... Clearing by the first week of May.

Nipigon and Black Bays.
April 19 to May 19... Clearing in the first week of May.

From Grand Marais Minnesota to the entrance to Nipigon Bay.
April 19 to May 19... Ice free.

From Grand Marais to Duluth.
April 19 to May 19... Ice free.

Southern Lake Superior west of Keweenaw Peninsula.
April 19 to May 19... Ice free.

Southern Lake Superior east of the Keweenaw Peninsula.
April 19 to May 19... Ice free.

Whitefish Bay.
April 19 to May 19... Clearing by the fourth week of April.

From Whitefish Bay northwards to Michipicoten Bay.
April 19 to May 19... Ice free.

From Michipicoten Bay to the entrance to Nipigon Bay.
April 19 to May 19... Ice free.

Elsewhere in Lake Superior.
April 19 to May 19... Ice free. 

Lake Michigan

Average air temperatures were above normal in the first half of April. 
Air temperatures will be above normal for mid-April to mid-May. 

Green Bay.
April 19 to May 19... Ice free. 

Northeastern Lake Michigan.
April 19 to May 19... Ice free.

Elsewhere in Lake Michigan.
April 19 to May 19... Ice free.

Lake Huron and Georgian Bay

Average air temperatures were above normal in the first half of April. 
Air temperatures will be above normal for mid-April to mid-May. 

North Channel.
April 19 to May 19... Clearing by the fourth week of April.

St Mary's River.
April 19 to May 19... Clearing by the fourth week of April.

South of Manitoulin Island westward to north-western Lake Huron.
April 19 to May 19... Ice free.

North-western Lake Huron near the Straits of Mackinac.
April 19 to May 19... Ice free.

From north-western Lake Huron to Saginaw Bay.
April 19 to May 19... Ice free.

Saginaw Bay.
April 19 to May 19... Ice free.

The southern and eastern shore of Lake Huron.
April 19 to May 19... Ice free.

Georgian Bay.
April 19 to May 19... Ice free.

Elsewhere in Lake Huron.
April 19 to May 19... Ice free. 

Lake Erie and Lake St. Clair

Average air temperatures were above normal in the first half of April. 
Air temperatures will be above normal for mid-April to mid-May. 

Lake St Clair and the Western Basin.
April 19 to May 19... Ice free.

The rest of Lake Erie.
April 19 to May 19... Ice free.

Lake Ontario

Average air temperatures were above normal in the first half of April. 
Air temperatures will be above normal for mid-April to mid-May. 

Northeastern Lake Ontario.
April 19 to May 19... Ice free.

Bay of Quinte.
April 19 to May 19... Ice free. 

St Lawrence River.
April 19 to May 19... Ice free.

Elsewhere in Lake Ontario.
April 19 to May 19... Ice free.

END


 
 
 
 
 

 

 

Canadian 30-day ice outlook

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FECN19 CWIS 191800 
THIRTY DAY ICE OUTLOOK FOR THE GREAT LAKES ISSUED BY ENVIRONMENT CANADA 
ON 19 APRIL 2017 FOR MID-APRIL TO MID-MAY.  
THE NEXT SCHEDULED BULLETIN WILL BE ISSUED ON 3 MAY 2017.

Lake Superior

Average air temperatures were above normal in the first half of April. 
Air temperatures will be above normal for mid-April to mid-May. 

Thunder Bay.
April 19 to May 19... Clearing by the first week of May.

Nipigon and Black Bays.
April 19 to May 19... Clearing in the first week of May.

From Grand Marais Minnesota to the entrance to Nipigon Bay.
April 19 to May 19... Ice free.

From Grand Marais to Duluth.
April 19 to May 19... Ice free.

Southern Lake Superior west of Keweenaw Peninsula.
April 19 to May 19... Ice free.

Southern Lake Superior east of the Keweenaw Peninsula.
April 19 to May 19... Ice free.

Whitefish Bay.
April 19 to May 19... Clearing by the fourth week of April.

From Whitefish Bay northwards to Michipicoten Bay.
April 19 to May 19... Ice free.

From Michipicoten Bay to the entrance to Nipigon Bay.
April 19 to May 19... Ice free.

Elsewhere in Lake Superior.
April 19 to May 19... Ice free. 

Lake Michigan

Average air temperatures were above normal in the first half of April. 
Air temperatures will be above normal for mid-April to mid-May. 

Green Bay.
April 19 to May 19... Ice free. 

Northeastern Lake Michigan.
April 19 to May 19... Ice free.

Elsewhere in Lake Michigan.
April 19 to May 19... Ice free.

Lake Huron and Georgian Bay

Average air temperatures were above normal in the first half of April. 
Air temperatures will be above normal for mid-April to mid-May. 

North Channel.
April 19 to May 19... Clearing by the fourth week of April.

St Mary's River.
April 19 to May 19... Clearing by the fourth week of April.

South of Manitoulin Island westward to north-western Lake Huron.
April 19 to May 19... Ice free.

North-western Lake Huron near the Straits of Mackinac.
April 19 to May 19... Ice free.

From north-western Lake Huron to Saginaw Bay.
April 19 to May 19... Ice free.

Saginaw Bay.
April 19 to May 19... Ice free.

The southern and eastern shore of Lake Huron.
April 19 to May 19... Ice free.

Georgian Bay.
April 19 to May 19... Ice free.

Elsewhere in Lake Huron.
April 19 to May 19... Ice free. 

Lake Erie and Lake St. Clair

Average air temperatures were above normal in the first half of April. 
Air temperatures will be above normal for mid-April to mid-May. 

Lake St Clair and the Western Basin.
April 19 to May 19... Ice free.

The rest of Lake Erie.
April 19 to May 19... Ice free.

Lake Ontario

Average air temperatures were above normal in the first half of April. 
Air temperatures will be above normal for mid-April to mid-May. 

Northeastern Lake Ontario.
April 19 to May 19... Ice free.

Bay of Quinte.
April 19 to May 19... Ice free. 

St Lawrence River.
April 19 to May 19... Ice free.

Elsewhere in Lake Ontario.
April 19 to May 19... Ice free.

END