Crossword clues for the word: THUNDERBAY The word THUNDERBAY has appeared as an answer to at least 5 crossword clues on different crossword puzzles. Crossword clues for THUNDERBAY Showing 1 to 5 of 5 results Clue(s) 1953 James Stewart film Important Lake Superior port Lake Superior port Major Canadian inland port William Kent Krueger mystery that won the 2008 Dilys Award (2 wds.)