"Outarde" spent the entirety of the Second World War on the West Coast of Canada. Assigned to the patrol units Esquimalt Force (operating out of Esquimalt, British Columbia) or Prince Rupert Force (operating out of Prince Rupert, British Columbia), the main duty of "Bangor"-class minesweepers after commissioning on the West Coast was to perform the Western Patrol. This consisted of patrolling the west coast of Vancouver Island, inspecting inlets and sounds and past the Scott Islands to Gordon Channel at the entrance to the Queen Charlotte Strait and back. On 13 July 1942, "Outarde", , the corvette and the American destroyer escorted four American troop transports carrying 5,000 Canadian troops from Esquimalt for the invasion of Kiska.