At least 21, including a fire department officer, were injured after Typhoon Nanmadol hit Japan. The number of citizens who are issued with evacuation warning increased to 7,959,000 against the heavy rains and wind getting more violent in various regions in the country, especially the Okinawa and Kagoshima states. Water levels of many rivers reached a critical state. A power company stated that there are 190,000 households that suffers power cuts.
The heavy rains caused flooding Lidabashi between Kudanshita metro stations on the Tokyo Metro Tozai Line. Many passengers protected themselves from waters with umbrellas.