001  
FZUS81 KCLE 072144  
ICELIO  
 
GREAT LAKES ICE OUTLOOK  
NATIONAL WEATHER SERVICE CLEVELAND OHIO  
544 PM EDT FRI APR 7 2017  
 
ACTIVE WATCHES...WARNINGS...AND ADVISORIES ON THE GREAT LAKES CAN  
BE FOUND AT...HTTP://WWW.CRH.NOAA.GOV/GREATLAKES/?C=HAZ&L=GL&P=A  
 
5 DAY ICE DISCUSSION...  
A RIDGE WILL BUILD EAST ACROSS THE GREAT LAKES REGION OVER THE WEEKEND  
WITH WELL ABOVE NORMAL TEMPERATURES DEVELOPING. TEMPERATURES WILL TREND  
CLOSER TO NORMAL ACROSS THE UPPER GREAT LAKES BY MONDAY WHILE ABOVE NORMAL  
TEMPERATURES CONTINUE ACROSS THE CENTRAL AND EASTERN GREAT LAKES THROUGH  
THE MIDDLE OF NEXT WEEK. WHAT LIMITED ICE REMAINS NEAR THE SOO LOCKS AND  
IN NORTHERN PORTIONS OF GEORGIAN BAY WILL CONTINUE TO DETERIORATE OVER THE  
COMING DAYS. NO SIGNIFICANT ICE GROWTH IS EXPECTED FOR THE REMAINDER OF  
THE SEASON.  
 
THE GREAT LAKES ICE ANALYSIS PRODUCTS CAN BE FOUND AT:  
 
HTTP://WWW.NATICE.NOAA.GOV/PRODUCTS/GREAT_LAKES.HTML  
 
AND  
 
HTTP://WWW.GLERL.NOAA.GOV/DATA/ICE/#CURRENTCONDITIONS  
 
MAX WIND (KNOTS) AT EACH SITE FOR THE 12 HOUR FCST PERIOD  
 
LOCATION TONIGHT SAT SAT NIGHT SUN SUN NIGHT  
WEST SUPERIOR 190/12 070/09 200/09 030/17 030/20  
MID SUPERIOR 180/13 170/18 180/15 030/18 030/23  
EAST SUPERIOR 190/15 180/22 180/19 040/10 030/21  
NORTH MICHIGAN 200/15 190/21 190/22 200/17 200/16  
SOUTH MICHIGAN 190/15 170/19 180/20 200/20 210/19  
NORTH HURON 310/14 180/16 180/17 190/18 200/14  
MID HURON 320/15 190/16 180/17 190/19 220/19  
SOUTH HURON 320/15 180/15 180/17 190/18 190/17  
WEST ERIE 310/15 190/10 190/14 200/16 200/17  
EAST ERIE 310/17 240/16 190/12 190/17 200/17  
CENTRAL ONTARIO 320/22 270/18 260/12 180/16 220/14  
 
A FULL GRAPHICAL FORECAST OF WIND ON THE GREAT LAKES CAN BE FOUND AT:  
HTTP://WWW.CRH.NOAA.GOV.GREATLAKES/?C=MAP&L=GL&P=A&M=WS  
 
TEMPERATURE FORECASTS FOR SELECTED CITIES  
 
LOCATION 04/08 04/09 04/10 04/11 04/12 04/13  
DULUTH 37 62 45 58 38 42 30 45 30 50 36 50  
MARQUETTE 34 58 46 55 41 46 34 38 32 44 35 45  
GREENBAY 35 64 50 68 52 63 38 50 34 53 38 55  
MILWAUKEE 38 58 50 65 53 63 42 49 37 47 39 52  
CHICAGO 39 63 50 64 54 64 44 52 39 48 41 55  
MUSKEGON 33 56 48 63 52 62 43 50 35 52 37 55  
ALPENA 29 55 43 61 50 61 41 47 35 47 34 49  
DETROIT 32 58 44 66 56 69 52 62 41 54 40 56  
TOLEDO 31 57 44 69 55 69 54 61 41 54 39 57  
CLEVELAND 33 52 43 67 53 68 54 64 43 50 39 58  
BUFFALO 30 43 37 62 55 70 54 63 45 49 37 52  
 
A FULL GRAPHICAL FORECAST OF THE GREAT LAKES FORECAST TEMPERATURES  
CAN BE FOUND AT HTTP://WWW.CRH.NOAA.GOV/GREATLAKES/?C=MAP&L=GL&P=A&M=TE  
 
FREEZING DEGREE DAY ACCUMULATIONS AT SELECTED STATIONS  
COMPARED TO NORMAL CALCULATED ON FRI APR 7:  
 
LOCATION DATE NORMAL CURRENT  
----------------------------------------  
 
DULUTH, MN APR 6 1979 1342  
MARQUETTE, MI APR 6 1773 1303  
SAU_S_MAR, MI APR 6 1399 766  
GREENBAY, WI APR 6 1154 479  
MILWAUKEE, WI APR 6 496 0  
CHICAGO, IL APR 6 249 0  
MUSKEGON, MI APR 6 255 0  
ALPENA, MI APR 6 1019 530  
DETROIT, MI APR 6 145 0  
TOLEDO, OH APR 6 137 0  
CLEVELAND, OH APR 6 0 0  
BUFFALO, NY APR 6 399 0  
 
 
NORMAL TEMPS FOR SELECTED LOCATIONS AROUND THE  
GREAT LAKES FOR FRI APR 7  
 
LOCATION HIGH LOW  
----------------------------------------------  
 
DULUTH,MN 47 27  
MARQUETTE,MI 46 28  
GREENBAY,WI 47 27  
MILWAUKEE,WI 54 34  
CHICAGO,IL 57 37  
MUSKEGON,MI 53 36  
ALPENA,MI 47 27  
DETROIT,MI 57 37  
TOLEDO,OH 58 36  
CLEVELAND,OH 57 37  
BUFFALO,NY 53 35  
 

 
 
THIS IS THE LAST ICE FORECAST FOR THE SEASON. ICE FORECASTS WILL RESUME IN  
DECEMBER OR EARLY JANUARY DEPENDING ON WHEN ICE BEGINS TO FORM.  
 
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