After commissioning, "Loch Alvie" worked up at Tobermory. She joined the 9th Escort Group at Londonderry Port on 19 September 1944. After escorting convoys to and from Gibraltar, on 29 November she sailed as part of the escort of Russian Convoy JW62, arriving at Murmansk on 7 December, and the return convoy RA62, which left Kola Bay on 10 December, with "Loch Alvie" leaving the convoy on 17 December. She then returned to Liverpool for repairs.