In January 1945 she took part in Operation "Meridian One" as an escort during air attacks on refineries at Pladjoe, and then took part in Operation "Meridian Two" as an escort during air raids on Soengi-Gerong near Palembang. In March 1945 the British Pacific Fleet joined Admiral Raymond Spruance's United States Fifth Fleet, before joining Admiral William Halsey's United States Third Fleet in May 1945. During August 1945 "Wakeful" was on escort duties during the Royal Navy and United States Navy's air raids on Hokkaido and North Honshū. The destroyer was in Tokyo Bay during the formal surrender and was available to support the occupation of Japan, remaining in Japanese waters to help with the repatriation of allied nationals before departing for Sydney. She returned to the UK in December 1945, having received the battle honours 'North Sea 1944' and 'East Indies 1944' for her wartime service.