Commissioned at Montreal on June 9, 1941, Saskatoon arrived at Halifax on June 22. She joined Halifax Force after working up and in August made a trip to the Bahamas, returning at the end of September. She remained on local escort duty until March, 1942, then joined WLEF on its formation. She served with this force on the "triangle run" until the end of the war, becoming a member of EG W-8 when it was established in June, 1943, and transferring to W-6 in April, 1944. During her career she had two major refits: at Halifax from August 11 to November 17, 1942; and at Pictou from mid-December, 1943 to April 1, 1944. Following the latter, which included fo'c's'le extension, she worked up for three weeks at Pictou and another three in Bermuda. She was paid off on June 25, 1945, at Sorel and soon afterward sold for conversion to a whale-catcher. She began her new career in 1948, successively named Tra los Montes, Olympic Fighter in 1950, and Otori Maru No. 6 in 1956, last appearing as such in Lloyd's list for 1962-63.
Focsle Extended, Pictou, NS, 1 Apr 44