(Bureau of Construction River Division)
Provide

Language

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 2021/01/22 02:28 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.

Top page Contact us

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

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.