In August, she was prepared for foreign service and then took passage to Freetown, finally joining the Flotilla in the Indian Ocean in September, which was deployed for convoy defence and patrols.
[2] On 12 March, Roebuck formed part of the escort for the aircraft carrier Battler and the cruisers Suffolk and Newcastle, with the destroyer Quadrant, during the search in the Indian Ocean for the German U-boat supply ship Brake.
[2] In August Roebuck took passage to Simon's Town for a refit by HM Dockyard, rejoining the Flotilla at Trincomalee in November.
[2] In February Roebuck joined Force 68 for offensive patrols and bombarded the Cocos Islands with destroyers Rocket, Rapid and Rotherham in Operations "Office" and "Training".
[2] On 5 July, she was deployed with the cruiser Nigeria, and destroyers Eskimo and Vigilant to cover minesweeping operations off Malaya and the Nicobar Islands.
[2] In August, Roebuck was preparing for large-scale landings in Malaya in "Operation Zipper", but the surrender of Japan brought hostilities to a close before they could be put into effect.