, abbreviated as TDMO, is one of the five District Meteorological Observatories of the Japan Meteorological Agency. It has jurisdiction over the Kantà  and Chà «bu regions: Tokyo, Kanagawa, Chiba, Saitama, Ibaraki, Tochigi, Gunma, Yamanashi, Nagano, Niigata, Shizuoka, Aichi, Gifu, Mie, Ishikawa, Toyama and Fukui, and is responsible for acquiring meteorological, hydrological, seismological and volcanological data and forecasting local weather conditions in those areas through its local meteorological observatories. It also fills the role of for the Kantà  region. The TDMO is based inside the JMA Meteorological Satellite Center located in Kiyose, Tokyo.
Bold-faced LMOs are the Region Central Forecast Offices.