大東群島
Hours after the JMA declared Soulik a tropical storm, the agency noted that the Ryukyu Islands were in the path of the storm. By July 10, the Daitō Islands were expected to experience winds of as the storm passed to the south. Due to the storm's large size, areas as far north as the Amami Islands were expected to see effects from the typhoon. Starting during the evening of July 10 and continuing through July 12, ferry service in across the southern islands was suspended and cargo vessels were advised to take alternate courses. Farmers on Miyako-jima were advised to harvest their mango crop, which was nearing peak time for harvest, before the typhoon struck. As the storm moved closer to the Daitō Islands, the JMA urged residents to be aware of coastal conditions and potential storm surges. On July 12, all flights to and from Ishigaki Airport and Miyako Airport were canceled.