The Sea Wolf
From Mistipedia
The Sea Wolf is an adventure from Dungeon Magazine # 55 Published: 1995 Level: 4-6 Author: Lisa Smedman The adventure features a werewolf as the suspect in a murder mystery on a sternwheeler (the S.S. Bonniville), cruising along the coast of the Sea of Sorrows in 748 BC.
Trivia: This adventure was written to be included in Chilling Tales, but instead found its way to Dungeon Magazine due to size considerations.