Typhoon Halong, designated as Typhoon Number 22, is on a northward track and is forecast to pass south of the Kii Peninsula on Wednesday, October 8, 2025. This trajectory is expected to cause a significant decline in weather conditions across large areas of Japan. The typhoon, which has been intensifying, was located south of Japan on October 7th and is predicted to continue its northward movement before curving east. Its central pressure has dropped to 960 hectopascals, with maximum sustained winds reaching 40 meters per second and gusts up to 60 meters per second.
The Izu Islands are particularly susceptible to severe weather, with anticipated increases in rainfall and wind intensity, potentially leading to stormy and hazardous conditions. Coastal areas along the Pacific in the Tokai and Kanto regions are also preparing for heavy rainfall and strong gusts. Extreme caution is advised, especially in coastal zones and for those planning travel. The Kanto region, including Tokyo, is bracing for heavy rain, strong winds, and the possibility of flooding, which could disrupt major transportation hubs and tourist sites.
Meanwhile, a separate cold front is expected to move across northern Japan, bringing precipitation and the potential for thunderstorms. Hokkaido may experience strong winds. While daytime temperatures are expected to remain relatively mild, a noticeable drop in temperature is anticipated as evening approaches. October in Japan typically offers pleasant autumn weather, but the arrival of this typhoon marks a significant deviation from the norm.
Typhoons are a recurring phenomenon in Japan, with an average of 2.6 typhoons reaching the main islands annually since 1951. Okinawa, due to its southern location, is the most vulnerable, facing an average of seven storms per year. Historically, typhoons have caused immense damage; Typhoon Vera in 1959 resulted in over 5,000 casualties in the Tokai region, and Typhoon Hagibis in 2019 caused $17.3 billion in damages. While advancements in construction and warning systems have reduced fatalities in recent decades, the potential for significant disruption remains high. Travelers are advised to monitor weather updates closely and adjust their plans, as transportation services, including trains and flights, may face delays or cancellations. Coastal areas and low-lying tourist spots are at heightened risk.