Tokyo Metropolitan - Flood Control Integrated Information System (Bureau of Construction River Division) Provide
Collect related links

Disaster prevention information

Disaster weather information

Rainfall and river water level information

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

▶Tokyo Amesh (Tokyo Metropolitan Government Bureau of Sewerage)

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

▶River water level information (Ministry of Land, Infrastructure, Transport and Tourism)

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

▶Disaster information in Arakawa river (Arakawa River Downstream Management Office)

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

▶Flood countermeasure information for Tama river, Tsurumi river, and Sagami river (Keihin River Office)

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.

▶Flood countermeasure information Edogawa river, Nakagawa river, and Ayase river (Edogawa river office)

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

▶Kanagawa prefecture Rainfall water level information

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

▶Saitama prefecture River Flood Information

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

▶Chiba prefecture Rainfall water level information

Flood hazard map

Flood hazard map published in each municipality are also available from the municipalities' disaster prevention weather information link.

▶Flood hazard map (Tokyo Metropolitan Gov., Bureau of Construction)

Municipalities’ disaster prevention weather information

【23 Western wards】
【23 Eastern wards】
【Tamahokubu】
Musashino | Mitaka | Fuchu | Chofu | Koganei | Komae | Nishi-tokyo | Tachikawa | Akishima | Kodaira |
Higashimurayama | Kunitachi | Kokubunji | Musashimurayama | Higashi-yamato | Kiyose | Higashikurume
【Tamaseibu】
Fussa | Hamura | Mizuho | Ome | Akiruno | Hinode | Hinohara | Okutama
【Tamananbu】
【Oshima island】
Oshima
【Niijima island】
Toshima | Niijima | Kozushima
【Hachijo island】
Hachijo | Aogashima
【Miyake island】
Miyake | Mikurajima
【Ogasawara Islands】
The condition of rainfall and river water level in Tokyo is displayed every 5 minutes. Please refresh the page to get the latest information.
Tokyo Metropolitan Bureau of Construction - River Division - Diaster prevention department S0000386@section.metro.tokyo.jp
COPYRIGHT(C) TOKYO METROPOLITAN GOVERNMENT ALL RIGHTS RESERVED.