(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 2019/08/26 18:28 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.

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

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