| 満潮 | 干潮 | 満潮 | 干潮 |
|
20
(日) |
14:01 | 05:45 | 22:29 | 16:21 |
| 111cm | 41cm | 136cm | 109cm | |
|
||||
日立（茨城）2025年07月20日の10分毎の潮の高低差を確認できます。
また1日の潮の高低差が1番大きい（潮の流れが大きい）時間に「最大潮位差」と明記してます。
| 時刻 | 潮位 | 高低差 | 各ポイント |
|---|---|---|---|
| 7/20 00:00 | 118.1 | ↓-2.3 | |
| 7/20 00:10 | 115.7 | ↓-2.4 | |
| 7/20 00:20 | 113.2 | ↓-2.5 | |
| 7/20 00:30 | 110.6 | ↓-2.6 | |
| 7/20 00:40 | 107.9 | ↓-2.7 | |
| 7/20 00:50 | 105.1 | ↓-2.8 | |
| 7/20 01:00 | 102.2 | ↓-2.9 | |
| 7/20 01:10 | 99.3 | ↓-2.9 | |
| 7/20 01:20 | 96.3 | ↓-3.0 | |
| 7/20 01:30 | 93.3 | ↓-3.0 | |
| 7/20 01:40 | 90.3 | ↓-3.0 | |
| 7/20 01:50 | 87.2 | ↓-3.1 | 最大潮位差 |
| 7/20 02:00 | 84.1 | ↓-3.1 | 最大潮位差 |
| 7/20 02:10 | 81.1 | ↓-3.0 | |
| 7/20 02:20 | 78.0 | ↓-3.1 | 最大潮位差 |
| 7/20 02:30 | 75.0 | ↓-3.0 | |
| 7/20 02:40 | 72.0 | ↓-3.0 | |
| 7/20 02:50 | 69.0 | ↓-3.0 | |
| 7/20 03:00 | 66.2 | ↓-2.8 | |
| 7/20 03:10 | 63.4 | ↓-2.8 | |
| 7/20 03:20 | 60.7 | ↓-2.7 | |
| 7/20 03:30 | 58.2 | ↓-2.5 | |
| 7/20 03:40 | 55.7 | ↓-2.5 | |
| 7/20 03:50 | 53.4 | ↓-2.3 | |
| 7/20 04:00 | 51.3 | ↓-2.1 | |
| 7/20 04:10 | 49.3 | ↓-2.0 | |
| 7/20 04:20 | 47.6 | ↓-1.7 | |
| 7/20 04:30 | 46.0 | ↓-1.6 | |
| 7/20 04:40 | 44.6 | ↓-1.4 | |
| 7/20 04:50 | 43.4 | ↓-1.2 | |
| 7/20 05:00 | 42.4 | ↓-1.0 | |
| 7/20 05:10 | 41.6 | ↓-0.8 | |
| 7/20 05:20 | 41.0 | ↓-0.6 | |
| 7/20 05:30 | 40.6 | ↓-0.4 | |
| 7/20 05:40 | 40.4 | ↓-0.2 | 干潮 |
| 7/20 05:50 | 40.4 | 0 | |
| 7/20 06:00 | 40.6 | ↑0.2 | |
| 7/20 06:10 | 41.0 | ↑0.4 | |
| 7/20 06:20 | 41.6 | ↑0.6 | |
| 7/20 06:30 | 42.4 | ↑0.8 | |
| 7/20 06:40 | 43.3 | ↑0.9 | |
| 7/20 06:50 | 44.4 | ↑1.1 | |
| 7/20 07:00 | 45.6 | ↑1.2 | |
| 7/20 07:10 | 47.0 | ↑1.4 | |
| 7/20 07:20 | 48.6 | ↑1.6 | |
| 7/20 07:30 | 50.3 | ↑1.7 | |
| 7/20 07:40 | 52.1 | ↑1.8 | |
| 7/20 07:50 | 54.0 | ↑1.9 | |
| 7/20 08:00 | 56.1 | ↑2.1 | |
| 7/20 08:10 | 58.2 | ↑2.1 | |
| 7/20 08:20 | 60.4 | ↑2.2 | |
| 7/20 08:30 | 62.7 | ↑2.3 | |
| 7/20 08:40 | 65.0 | ↑2.3 | |
| 7/20 08:50 | 67.4 | ↑2.4 | |
| 7/20 09:00 | 69.8 | ↑2.4 | |
| 7/20 09:10 | 72.2 | ↑2.4 | |
| 7/20 09:20 | 74.6 | ↑2.4 | |
| 7/20 09:30 | 77.0 | ↑2.4 | |
| 7/20 09:40 | 79.4 | ↑2.4 | |
| 7/20 09:50 | 81.8 | ↑2.4 | |
| 7/20 10:00 | 84.1 | ↑2.3 | |
| 7/20 10:10 | 86.3 | ↑2.2 | |
| 7/20 10:20 | 88.4 | ↑2.1 | |
| 7/20 10:30 | 90.5 | ↑2.1 | |
| 7/20 10:40 | 92.5 | ↑2.0 | |
| 7/20 10:50 | 94.4 | ↑1.9 | |
| 7/20 11:00 | 96.1 | ↑1.7 | |
| 7/20 11:10 | 97.8 | ↑1.7 | |
| 7/20 11:20 | 99.4 | ↑1.6 | |
| 7/20 11:30 | 100.8 | ↑1.4 | |
| 7/20 11:40 | 102.2 | ↑1.4 | |
| 7/20 11:50 | 103.4 | ↑1.2 | |
| 7/20 12:00 | 104.5 | ↑1.1 | |
| 7/20 12:10 | 105.5 | ↑1.0 | |
| 7/20 12:20 | 106.4 | ↑0.9 | |
| 7/20 12:30 | 107.2 | ↑0.8 | |
| 7/20 12:40 | 107.9 | ↑0.7 | |
| 7/20 12:50 | 108.6 | ↑0.7 | |
| 7/20 13:00 | 109.1 | ↑0.5 | |
| 7/20 13:10 | 109.5 | ↑0.4 | |
| 7/20 13:20 | 109.8 | ↑0.3 | |
| 7/20 13:30 | 110.1 | ↑0.3 | |
| 7/20 13:40 | 110.3 | ↑0.2 | |
| 7/20 13:50 | 110.4 | ↑0.1 | |
| 7/20 14:00 | 110.4 | 0 | 満潮 |
| 7/20 14:10 | 110.4 | 0 | |
| 7/20 14:20 | 110.3 | ↓-0.1 | |
| 7/20 14:30 | 110.2 | ↓-0.1 | |
| 7/20 14:40 | 110.0 | ↓-0.2 | |
| 7/20 14:50 | 109.8 | ↓-0.2 | |
| 7/20 15:00 | 109.5 | ↓-0.3 | |
| 7/20 15:10 | 109.3 | ↓-0.2 | |
| 7/20 15:20 | 109.0 | ↓-0.3 | |
| 7/20 15:30 | 108.8 | ↓-0.2 | |
| 7/20 15:40 | 108.6 | ↓-0.2 | |
| 7/20 15:50 | 108.4 | ↓-0.2 | |
| 7/20 16:00 | 108.2 | ↓-0.2 | |
| 7/20 16:10 | 108.1 | ↓-0.1 | |
| 7/20 16:20 | 108.1 | 0 | 干潮 |
| 7/20 16:30 | 108.2 | ↑0.1 | |
| 7/20 16:40 | 108.3 | ↑0.1 | |
| 7/20 16:50 | 108.5 | ↑0.2 | |
| 7/20 17:00 | 108.7 | ↑0.2 | |
| 7/20 17:10 | 109.1 | ↑0.4 | |
| 7/20 17:20 | 109.5 | ↑0.4 | |
| 7/20 17:30 | 110.0 | ↑0.5 | |
| 7/20 17:40 | 110.6 | ↑0.6 | |
| 7/20 17:50 | 111.3 | ↑0.7 | |
| 7/20 18:00 | 112.1 | ↑0.8 | |
| 7/20 18:10 | 112.9 | ↑0.8 | |
| 7/20 18:20 | 113.8 | ↑0.9 | |
| 7/20 18:30 | 114.7 | ↑0.9 | |
| 7/20 18:40 | 115.7 | ↑1.0 | |
| 7/20 18:50 | 116.7 | ↑1.0 | |
| 7/20 19:00 | 117.8 | ↑1.1 | |
| 7/20 19:10 | 118.9 | ↑1.1 | |
| 7/20 19:20 | 120.0 | ↑1.1 | |
| 7/20 19:30 | 121.1 | ↑1.1 | |
| 7/20 19:40 | 122.3 | ↑1.2 | |
| 7/20 19:50 | 123.4 | ↑1.1 | |
| 7/20 20:00 | 124.6 | ↑1.2 | |
| 7/20 20:10 | 125.7 | ↑1.1 | |
| 7/20 20:20 | 126.8 | ↑1.1 | |
| 7/20 20:30 | 127.9 | ↑1.1 | |
| 7/20 20:40 | 129.0 | ↑1.1 | |
| 7/20 20:50 | 130.0 | ↑1.0 | |
| 7/20 21:00 | 131.0 | ↑1.0 | |
| 7/20 21:10 | 131.9 | ↑0.9 | |
| 7/20 21:20 | 132.7 | ↑0.8 | |
| 7/20 21:30 | 133.5 | ↑0.8 | |
| 7/20 21:40 | 134.2 | ↑0.7 | |
| 7/20 21:50 | 134.7 | ↑0.5 | |
| 7/20 22:00 | 135.1 | ↑0.4 | |
| 7/20 22:10 | 135.5 | ↑0.4 | |
| 7/20 22:20 | 135.6 | ↑0.1 | 満潮 |
| 7/20 22:30 | 135.7 | ↑0.1 | |
| 7/20 22:40 | 135.6 | ↓-0.1 | |
| 7/20 22:50 | 135.3 | ↓-0.3 | |
| 7/20 23:00 | 134.9 | ↓-0.4 | |
| 7/20 23:10 | 134.3 | ↓-0.6 | |
| 7/20 23:20 | 133.5 | ↓-0.8 | |
| 7/20 23:30 | 132.6 | ↓-0.9 | |
| 7/20 23:40 | 131.5 | ↓-1.1 | |
| 7/20 23:50 | 130.3 | ↓-1.2 |