Typhoon Trami (Typhoon Number 24) is projected to approach Okinawa and Amami Islands on September 29th and continue northeastward along Japan through October 1st.
Travelers visiting Japan are advised to check the latest local weather reports, follow directions from local officials and take any other appropriate actions as needed.
https://www.japan.travel/en/news/2018-09-28-typhoon-trami/