33 Michigan City  (IN 5,6)
12/30/2006
latitude 41º 43' 44.4" N
  longitude 86º 54' 42.1" W inner
latitude 41º 43' 47.3" N
 longitude 86º 54' 50" W outer

It looks like they have done double duty with the front light.  It marks the far side of the channel for boats that are in close.  It provides a front range light for boats well out in the lake.