"Coos Bay" returned to Pearl Harbor on 17 March 1945. On 21 March 1945 she departed for Ulithi Atoll. During her passage, on 31 March 1945, she collided with the oceangoing commercial tug M/V "Matagorda", which took her in tow for emergency repairs at Eniwetok. "Coos Bay" proceeded to San Pedro for repairs and overhaul. Returning to Pearl Harbor, "Coos Bay" remained there until 1 September 1945. Meanwhile, hostilities with Japan ended on 15 August 1945.