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

This website provides rainfall amount and river water level information observed in Tokyo, as well as the warnings, alarms and special alarms in real time.

Collect related links

Disaster prevention information

Disaster weather information

Rainfall and river water level information

Flood hazard map

Municipalities’ disaster prevention weather information



Oshima island

Niijima island

Hachijo island

Miyake island

Ogasawara Islands