While moving through Japan, Zeb produced peak sustained winds of in Kōchi Prefecture within Shikoku. The highest rainfall was on Mount Ontake on Honshu. The widespread rainfall caused 332 landslides and washed away seven bridges. Within Japan, Zeb first affected Miyako-jima while passing about to the northwest. High winds left 2,600 houses without power and caused damage to public buildings. It later passed about to the northwest of Okinawa. Along the island, wind gusts reached , and wave heights peaked at 13.7 m (45 ft). The waves swept away two people over a sea wall, killing them both. High waves also damaged a port at Kadena Air Base as well as several houses near the coast. The storm also passed near the Yaeyama Islands with strong winds. Salt spray coated trees and ruined them, and there was scattered public building damage.