Expires:No;;466159 SXUS08 KDTX 291031 OMRDTX GREAT LAKES WATER LEVELS NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI 1000 AM EDT SAT APR 27 2013 THE FOLLOWING ARE THE AVERAGE LAKE LEVELS FORECAST FOR THIS WEEK. LAKE LEVEL... INCHES FROM CHART DATUM SUPERIOR -10 MICHIGAN AND HURON -7 ST CLAIR +15 ERIE +23 ONTARIO +26 $$