As of 2025/09/21 00:08
Water level information
- River name
- Narahashi river
- Current water level（m）0.22
- (m) until flood3.22
Legend？
Legend
| Designated water level |
| Flood inundation water level |
3.44 |
| 80% water level |
2.41 |
| 50% water level |
1.38 |
| Observation data |
| ＊ |
Missing |
| Blank |
Unmeasure |
See the list
| Observation date & time |
Water level（m） |
| 00:00 |
0.22 |
| 23:50 |
0.23 |
| 23:40 |
0.23 |
| 23:30 |
0.23 |
| 23:20 |
0.23 |
| 23:10 |
0.23 |
| 23:00 |
0.23 |
| 22:50 |
0.23 |
| 22:40 |
0.23 |
| 22:30 |
0.24 |
| 22:20 |
0.24 |
| 22:10 |
0.24 |
Tokyo Metropolitan - Flood Control Integrated Information System (Bureau of Construction River Division) Provide