(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.

【Flood forecast river / Well-known water level / Sediment disaster information】

auto 2019/05/24 04:13 Occasional information

Flood forecast

There is currently no announcement.

Level well-known

There is currently no announcement.

Sediment disaster information

There is currently no announcement.

【Rainfall, water level, river image】

Rainfall, water level, river image

Select area : 

Data classification :  Rainfall | Water level | River image | All

Data classification :  Rainfall | Water level | River image | All

Data classification :  Rainfall | Water level | River image | All

Data classification :  Rainfall | Water level | River image | All

Remarks

Rainfall observatory symbol (10 mins)
More than 20 mm
10 - 19 mm
5 - 9 mm
1 - 4 mm
0 mm
Stopped/missed
Water level observatory symbol
Normal river Flood forecast river, etc.
Flood occurrence Flood inundation water level
Danger Flood danger water level
Caution Flood warning water level
Stand-by water level for Flood Defense
Normal
Stopped/missed
Water level fluctuation
Rise
Fall
No fluctuation
  Invalid
River image symbol
River camera installation location

※ “Flood forecast river, etc.” includes the flood forecast river, water level well-known river and flood control alarm river.

  Flood inundation water level is applied to the reference points of flood forecast river and water level well-known river.

  Flood danger water level is applied to the reference points of flood forecast river and water level well-known river.

  Flood warning water level is applied to the reference points of flood control alarm river.

  Stand-by water level for Flood Defense is applied to the reference points of flood control alarm river.

※ Please select 『Contact us』 to provide your information such as missing data of the equipment or maintenance information, etc.

※ Acknowledge all the important points in the 『Information supply』 section before using the information.

【Weather alarm】

23 Western wards | 23 Eastern wards | Tamahokubu | Tamaseibu | Tamananbu | Oshima island | Niijima island | Hachijo island | Miyake island | Ogasawara Islands

Municipality Warning / Alarm / Special alarm
Chiyoda
Chuo
Minato
Shinagawa
Ota
Meguro
Setagaya
Shibuya
Shinjuku
Nakano
Suginami
Toshima
Itabashi
Nerima
Bunkyo
Kita
Taito
Arakawa
Adachi
Sumida
Koto
Katsushika
Edogawa
Musashino
Mitaka
Fuchu
Chofu
Koganei
Komae
Nishi-tokyo
Tachikawa
Akishima
Kodaira
Higashimurayama
Kunitachi
Kokubunji
Musashimurayama
Higashi-yamato
Kiyose
Higashikurume
Fussa
Hamura
Mizuho
Ome
Akiruno
Hinode
Hinohara
Okutama
Machida
Tama
Inagi
Hachioji
Hino
Oshima
Thunder
Toshima
Thunder
Niijima
Thunder
Kozushima
Thunder
Hachijo
Aogashima
Miyake
Thunder
Mikurajima
Thunder
Ogasawara

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.