Crossword clues for the word: SARNIA The word SARNIA has appeared as an answer to at least 8 crossword clues on different crossword puzzles. Crossword clues for SARNIA Showing 1 to 8 of 8 results Clue(s) "Ontario port opposite Port Huron, Mich." Canadian city on Lake Huron City opposite Port Huron. Lake Huron port Lake Huron port in Canada Lake Huron's largest city Largest city on Lake Huron Ontario city on Lake Huron