| 岩井(国) |
(渡良瀬川) |
| 計画高水位 | 8.55 | |
| 氾濫危険水位 | ||
| 避難判断水位 | ||
| 氾濫注意水位 | ||
| 水防団待機水位 | ||
| 現在水位 | 1.36 | ↓ |
| 09/08 | 09:00 | 0.50 | ↓ |
| 10:00 | 0.50 | → | |
| 11:00 | 0.49 | ↓ | |
| 12:00 | 0.46 | ↓ | |
| 13:00 | 0.42 | ↓ | |
| 14:00 | 0.41 | ↓ | |
| 15:00 | 0.47 | ↑ | |
| 16:00 | 0.45 | ↓ | |
| 17:00 | 0.44 | ↓ | |
| 18:00 | 0.47 | ↑ | |
| 19:00 | 0.52 | ↑ | |
| 20:00 | 0.63 | ↑ | |
| 21:00 | 0.88 | ↑ | |
| 22:00 | 1.05 | ↑ | |
| 23:00 | 1.07 | ↑ | |
| 09/09 | 00:00 | 1.10 | ↑ |
| 01:00 | 1.05 | ↓ | |
| 02:00 | 1.09 | ↑ | |
| 03:00 | 1.35 | ↑ | |
| 04:00 | 1.46 | ↑ | |
| 05:00 | 1.47 | ↑ | |
| 06:00 | 1.48 | ↑ | |
| 07:00 | 1.51 | ↑ | |
| 08:00 | 1.50 | ↓ | |
| 09:00 | 1.36 | ↓ |