Wakulla loaded a capacity cargo of flour and departed for the United States East Coast on 21 July 1918. En route, she underwent repairs at Balboa, Panama, from 11 August 1918 to 18 August 1918. Making port at New York City on 27 August 1918, Wakulla bunkered, underwent further repairs, and sailed for Sydney, Nova Scotia, on 7 September 1918. On 13 September 1918, she joined a convoy bound for the British Isles and made arrival at Dublin, Ireland, on 29 September 1918.
