Force H
"Wishart" continued her convoy escort and patrol activities until 31 July 1940, when she became part of the escort for Force H units covering the aircraft carrier as "Argus" delivered aircraft to Malta in Operation Hurry. "Wishart" then remained with Force H as the aircraft carrier launched airstrikes against Italian airfields at Cagliari on Sardinia on 2 August 1940. At the end of August 1940, she again operated with Force H, forming part of the screen on 30 August 1940 for the battleship , the aircraft carrier , and the light cruisers and , which were steaming to Alexandria, Egypt, to reinforce the Mediterranean Fleet in Operation Hats, and detaching on 31 August 1940 along with "Velox" to transmit radio signals in an attempt to confuse Italian listening stations as to the heading of the other ships.