Ice Forecast
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Great Lakes Ice Outlook
National Weather Service Cleveland Ohio
508 PM EST Wed Feb 5 2025

Active watches...warnings...and advisories on the Great Lakes can
be found at:

http://www.weather.gov/greatlakes/

5 Day Ice Discussion...

Lake Erie remains mostly ice covered, though there is a lack of fast ice
with much of the ice lose and shifting around with the wind. The rest of
the Great Lakes generally have limited amounts of ice in the open waters
with greater coverage of ice in the nearshore waters and in bays...this
includes Whitefish Bay on Lake Superior, Green Bay on Lake Michigan, the
Straits of Mackinac, and Saginaw Bay on Lake Huron. Low pressure will pass
north of the Great Lakes Thursday and Thursday night. This will bring
strong west winds shifting northwest Thursday through Friday. A Gale
Warning is in effect for much of Lake Superior, Lake Michigan, and Lake
Huron for this time period. These winds will cause ice to shift east on
Lake Erie through Friday. On the other lakes, shore ice may break off from
the western shorelines and drift east with those strong winds. A Heavy
Freezing Spray Warning is in effect for Lake Superior as well.

Lake Erie, southern Lake Michigan and southern Lake Huron will see milder,
above freezing temperatures Thursday. Otherwise, temperatures will fall
back below freezing Friday through early next week across the southern
Great Lakes, favoring slow to moderate ice growth. The northern Great
Lakes will generally experience temperatures ranging from the single
digits to 20s over the next several days, favoring moderate ice growth.

The Great Lakes ice analysis products can be found at:

http://usicecenter.gov/Products/GreatLakesHome

and

http://www.glerl.noaa.gov/data/ice/#currentconditions

     MAX WIND (KNOTS) AT EACH SITE FOR THE 12 HOUR FCST PERIOD

       Location     Tonight     Thu    Thu Night    Fri    Fri Night
  West Superior      260/29    280/34    300/31    270/20    020/07
   Mid Superior      220/22    290/34    310/33    290/21    320/09
  East Superior      180/23    290/35    310/34    290/23    310/08
 North Michigan      240/21    270/31    290/28    260/12    030/06
 South Michigan      260/22    270/29    300/30    270/11    100/12
    North Huron      160/17    280/35    280/34    280/21    300/08
      Mid Huron      140/17    270/33    270/32    260/17    300/06
    South Huron      130/17    260/29    270/29    270/15    300/07
      West Erie      090/12    250/19    260/20    270/10    080/07
      East Erie      140/11    240/30    240/29    260/18    190/04
Central Ontario      140/21    250/37    270/39    280/29    290/12

A full graphical forecast of wind on the Great Lakes can be found at:
http://www.weather.gov/greatlakes/

        Temperature  Forecasts for Selected Cities

 Location   02/06   02/07   02/08   02/09   02/10   02/11
   Duluth  14  23   1  19   5  21  -3  17  -3  14  -1   8
Marquette  17  28  12  23  10  23  12  21   8  19   3  14
 GreenBay  21  32   6  23  12  26  10  21   3  21  -1  15
Milwaukee  28  39  14  30  23  30  17  26  10  26  10  23
  Chicago  30  41  21  32  28  35  23  30  17  32  19  26
 Muskegon  24  37  19  26  21  28  21  28  19  26  15  24
   Alpena  17  32  14  23  10  24  17  26  12  26   6  19
  Detroit  26  37  21  28  21  30  26  32  17  30  17  26
   Toledo  26  41  23  32  24  30  26  33  19  30  19  28
Cleveland  28  44  23  30  23  33  28  33  23  32  21  30
  Buffalo  19  41  21  26  17  32  24  30  19  28  15  28

A full graphical forecast of the Great Lakes forecast temperatures
can be found at http://www.weather.gov/greatlakes/

FREEZING DEGREE DAY ACCUMULATIONS AT SELECTED STATIONS
COMPARED TO NORMAL CALCULATED ON Tue Feb 4:

LOCATION           DATE   NORMAL CURRENT
----------------------------------------

   DULUTH,   MN  FEB    3 1259 1217
MARQUETTE,   MI  FEB    3 1036  921
SAU_S_MAR,   MI  JAN   31 1250 1095
 GREENBAY,   WI  FEB    3  698  576
MILWAUKEE,   WI  FEB    3  355  323
  CHICAGO,   IL  FEB    3  290  285
 MUSKEGON,   MI  FEB    3  214  192
   ALPENA,   MI  JAN   31  909  887
  DETROIT,   MI  FEB    3  259  278
   TOLEDO,   OH  FEB    3  172  243
CLEVELAND,   OH  FEB    3   97  255
  BUFFALO,   NY  FEB    3  282  267


NORMAL TEMPS FOR SELECTED LOCATIONS AROUND THE
GREAT LAKES FOR Tue Feb 4

LOCATION     HIGH LOW
----------------------------------------------

    DULUTH,MN  22   3
 MARQUETTE,MI  24   8
  GREENBAY,WI  27  10
 MILWAUKEE,WI  32  18
   CHICAGO,IL  33  17
  MUSKEGON,MI  31  16
    ALPENA,MI  28   9
   DETROIT,MI  33  18
    TOLEDO,OH  34  18
 CLEVELAND,OH  35  20
   BUFFALO,NY  32  17

$$