With the outbreak of the Second World War, Nourmahal was acquired by the Coast Guard on 21 March 1940 and was commissioned USCGC Nourmahal (WPG-72) on 21 August 1940.
She was returned to the Coast Guard on 29 December 1943 and reclassified as WPG-122 and was struck from the Naval Register on 12 January 1944.