Expires:No;;883079 SXUS83 KDTX 062052 OMRDTX GREAT LAKES WATER LEVELS NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI 450 PM EDT SUN APR 6 2025 THE FOLLOWING ARE THE AVERAGE LAKE LEVELS FORECAST FOR THIS WEEK. LAKE LEVEL... INCHES FROM CHART DATUM SUPERIOR -5 MICHIGAN AND HURON +9 ST CLAIR +27 ERIE +32 ONTARIO +21 $$