Assigned to Service Force, Pacific Fleet, Lignite served as a general stores and issue barge at advance bases in the Philippines and Okinawa. She continued this duty throughout the remainder of World War II.
While serving at Okinawa after the war, the barge was grounded at Buckner Bay on 9 October 1945 by Typhoon Louise, one of the most violent storms ever to strike Okinawa. Lignite, was refloated on 16 October, towed to Hong Kong in March 1946, and towed to Subic Bay, Luzon, in May. She was placed out of service at Subic Bay on 6 August and returned to the War Shipping Administration the following day. Her name was struck from the Naval Vessel Register on 28 August.
Lignite received one battle star for World War II service.