Thunder Bay Michigan Map

Thunder Bay is a bay in the U.S. state of Michigan on Lake Huron. The bay extends from North Point at 45°01′19″N 83°15′58″W / 45.02194°N 83.26611°W to South Point at 44°53′00″N 83°18′51″W / 44.88333°N 83.31417°W.
  • Location: Alpena County, Michigan
  • Surface elevation: 581 feet (177 m)
  • Type: Bay
Data from: en.wikipedia.org