The Grand Fleet sortied on the afternoon of 23 April 1918 after radio transmissions revealed that the High Seas Fleet was at sea after a failed attempt to intercept the regular British convoy to Norway. The Germans were too far ahead of the British, and no shots were fired. In October, "Temeraire" and her sister ship, , were transferred to the Mediterranean Fleet, commanded by Vice-Admiral Sir Somerset Gough-Calthorpe. They were part of the squadron that entered the Ottoman capital, Constantinople, on 13 November, following the Armistice of Mudros. A month later, Gough-Calthorpe tasked "Temeraire" to provide a crew for the , which had been turned over to the Allies by the Germans after the Armistice of 11 November. On 13 February 1919, Captain Francis Caulfeild relieved Underhill. The ship remained in the Black Sea and Ottoman waters until 3 April, when she departed for home, having visited Sevastopol, Russia, and Haifa, Palestine, during her deployment.