The rainfall condition in Tokyo can be understood via radar base station and ground rain gauges.

You can view the observation information of the disaster management water level gauge installed from 2018.

You can view the observation information such as river water level of Arakawa river.

You can view the observation information such as rainfall and river water level in the Tama river, Tsurumi river and Sagami river.

You can view the observation information such as rainfall and river water level in the basin of the Edogawa river, Nakagawa river and Ayase river.

You can view the rainfall amount, water level observation information and river surveillance camera images in various places in Kanagawa prefecture.

You can view the rainfall amount, water level observation information and river surveillance camera images in various places in Saitama prefecture.

You can view the rainfall amount and water level observation information in various places in Chiba prefecture.