Tokyo Storm Surge Disaster Prevention Information System

Observation
information/
floodgate status

Legend

Fully
open
In operation/
partially closed
Completely
closed
Adjusting

Sea surface
live camera

Legend

Camera installation location

A.P. T.P. ？

List of observed values

Floodgates
(Seawall top height)

Outside water level

Inside water level

Wind speed

Wind direction

Koto

Shinsuna Floodgate (A.P.+8.00m) (T.P.+6.87m)	A.P. +1.72m T.P. +0.59m	A.P. +1.72m T.P. +0.59m	3.1m/s	North-northeast
Akebono Floodgate (A.P.+5.60m) (T.P.+4.47m)	A.P.-m T.P.-m	A.P.-m T.P.-m	-m/s	-
Tatsumi Flood gate (A.P.+5.60m) (T.P.+4.47m)	A.P. +1.75m T.P. +0.62m	A.P. +1.75m T.P. +0.62m	1.9m/s	North
Shinonome Floodgate (A.P.+6.10m) (T.P.+4.97m)	A.P. +1.71m T.P. +0.58m	A.P. +1.70m T.P. +0.57m	-m/s	-
Toyosu Floodgate (A.P.+6.30m) (T.P.+5.17m)	A.P.-m T.P.-m	A.P.-m T.P.-m	-m/s	-
Shin-Onagigawa Floodgate (A.P.+6.30m) (T.P.+5.17m)	A.P. +1.77m T.P. +0.64m	A.P. +1.76m T.P. +0.63m	-m/s	-
Oshimagawa Floodgate (A.P.+6.30m) (T.P.+5.17m)	A.P. +1.81m T.P. +0.68m	A.P. +1.80m T.P. +0.67m	-m/s	-
Heikyu Floodgate (A.P.+4.80m) (T.P.+3.67m)	A.P. +1.78m T.P. +0.65m	A.P. +1.77m T.P. +0.64m	-m/s	-

Chuo

Tsukuda Floodgate (A.P.+6.30m) (T.P.+5.17m)	A.P. +1.72m T.P. +0.59m	A.P. +1.72m T.P. +0.59m	2.9m/s	Northeast
Asashio Floodgate (A.P.+6.30m) (T.P.+5.17m)	A.P. +1.71m T.P. +0.58m	A.P. +1.69m T.P. +0.56m	-m/s	-
Hamasaki Floodgate (A.P.+6.30m) (T.P.+5.17m)	A.P.-m T.P.-m	A.P.-m T.P.-m	-m/s	-
Tsukiji River Floodgate (A.P.+6.30m) (T.P.+5.17m)	A.P. +1.74m T.P. +0.61m	A.P. +1.76m T.P. +0.63m	1.6m/s	Northeast
Shiodome river Floodgate (A.P.+6.30m) (T.P.+5.17m)	A.P.-m T.P.-m	A.P.-m T.P.-m	-m/s	-
Tsukishimagawa Floodgate (A.P.+6.30m) (T.P.+5.17m)	A.P. +1.77m T.P. +0.64m	A.P. +1.77m T.P. +0.64m	-m/s	-
Sumiyoshi Floodgate (A.P.+6.30m) (T.P.+5.17m)	A.P. +1.76m T.P. +0.63m	A.P. +1.77m T.P. +0.64m	-m/s	-
Kamejimagawa Floodgate (A.P.+6.30m) (T.P.+5.17m)	A.P. +1.82m T.P. +0.69m	A.P. +1.82m T.P. +0.69m	-m/s	-
Nihonbashi Floodgate (A.P.+5.50m) (T.P.+4.37m)	A.P. +1.72m T.P. +0.59m	A.P. +1.74m T.P. +0.61m	-m/s	-

Minato

Furukawa Floodgate (A.P.+5.60m) (T.P.+4.47m)	A.P.-m T.P.-m	A.P.-m T.P.-m	-m/s	-
Hinode Floodgate (A.P.+5.60m) (T.P.+4.47m)	A.P. +1.75m T.P. +0.62m	A.P. +1.76m T.P. +0.63m	-m/s	-
Takahama Floodgate (A.P.+5.60m) (T.P.+4.47m)	A.P. +1.76m T.P. +0.63m	A.P. +1.76m T.P. +0.63m	2.6m/s	Northeast
Tennozu Floodgate (A.P.+5.60m) (T.P.+4.47m)	A.P. +1.77m T.P. +0.64m	A.P. +1.78m T.P. +0.65m	-m/s	-

Shinagawa

Meguro River Floodgate (A.P.+5.60m) (T.P.+4.47m)	A.P. +1.74m T.P. +0.61m	A.P. +1.74m T.P. +0.61m	-m/s	-

Meguro River Floodgate (A.P.+5.60m) (T.P.+4.47m)

A.P.
+1.74m T.P.
+0.61m

-m/s

Ota

Kyu-Nomikawa Floodgate (A.P.+4.60m) (T.P.+3.47m)	A.P. +1.80m T.P. +0.67m	A.P.-m T.P.-m	2.9m/s	Northeast
Uchikawa Floodgate (A.P.+4.60m) (T.P.+3.47m)	A.P. +1.75m T.P. +0.62m	A.P. +1.74m T.P. +0.61m	-m/s	-

Sumida

Genmorikawa Floodgate (A.P.+6.30m) (T.P.+5.17m)	A.P. +1.77m T.P. +0.64m	A.P. +1.77m T.P. +0.64m	-m/s	-
Tatekawa Floodgate (A.P.+6.30m) (T.P.+5.17m)	A.P. +1.78m T.P. +0.65m	A.P. +1.77m T.P. +0.64m	-m/s	-

Adachi

Hanahata Floodgate (A.P.+5.00m) (T.P.+3.87m)	A.P.-m T.P.-m	A.P.-m T.P.-m	-m/s	-

Hanahata Floodgate (A.P.+5.00m) (T.P.+3.87m)

A.P.-m T.P.-m

-m/s

Katsushika

Kamihirai Floodgate (A.P.+7.20m) (T.P.+6.07m)	A.P. +1.79m T.P. +0.66m	A.P. +1.79m T.P. +0.66m	-m/s	-

Kamihirai Floodgate (A.P.+7.20m) (T.P.+6.07m)

A.P.
+1.79m T.P.
+0.66m

-m/s

Edogawa

Imai Floodgate (A.P.+5.80m) (T.P.+4.67m)	A.P. +1.89m T.P. +0.76m	A.P. +1.87m T.P. +0.74m	-m/s	-

Imai Floodgate (A.P.+5.80m) (T.P.+4.67m)

A.P.
+1.89m T.P.
+0.76m

A.P.
+1.87m T.P.
+0.74m

-m/s

Storm Surge Emergency Warning Water Level ？

Target areas	Storm Surge Emergency Warning Water Level
Chuo, Minato, Ota	A.P.+3.6m (T.P.+2.47m)
Chiyoda, Shinjuku, Bunkyo, Taito, Sumida, Koto, Shinagawa, Meguro, Kita, Arakawa, Itabashi, Adachi, Katsushika, Edogawa	A.P.+4.2m (T.P.+3.07m)
Background colors in table: Areas where the Storm Surge Emergency Warning Water Level has not been reached □ Areas where the Storm Surge Emergency Warning Water Level has been reached ■

Current water level？
A.P. T.P. +1.75m +0.62m Information as of 2026/09/05 21:52

When the "current water level" in the table reaches the Storm Surge Emergency Warning Water Level , "Storm Surge Inundation Information" will be announced for each water level.
The Storm Surge Inundation Information is information equivalent to alert level 5 that indicates the situation where a disaster has occurred or is imminent.
※"Current water level" shows the water level of Tatsumi Flood gate, which is the standard water level observatory for the Storm Surge Emergency Warning Water Level.