The live surface water temperature of Cowichan Lake, measured by a floating sensor off the private dock at Aera Cabins, 9466 Creekside Drive, Youbou, BC: the current reading, the change over the last 24 hours, and typical month-by-month water temperatures off our dock. Cowichan Lake is one of the warmest swimming lakes on Vancouver Island. Updated continuously. Machine-readable JSON: https://aeracabins.com/live-data