| 満潮 | 干潮 | 満潮 | 干潮 |
|
20
(日) |
06:51 | 01:52 | 21:50 | 14:32 |
| 115cm | 89cm | 111cm | 27cm | |
|
||||
日立（茨城）2029年05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 |
|---|---|---|---|
| 5/20 00:00 | 95.0 | ↓-1.1 | |
| 5/20 00:10 | 94.0 | ↓-1.0 | |
| 5/20 00:20 | 93.0 | ↓-1.0 | |
| 5/20 00:30 | 92.1 | ↓-0.9 | |
| 5/20 00:40 | 91.3 | ↓-0.8 | |
| 5/20 00:50 | 90.6 | ↓-0.7 | |
| 5/20 01:00 | 89.9 | ↓-0.7 | |
| 5/20 01:10 | 89.4 | ↓-0.5 | |
| 5/20 01:20 | 89.0 | ↓-0.4 | |
| 5/20 01:30 | 88.7 | ↓-0.3 | |
| 5/20 01:40 | 88.5 | ↓-0.2 | |
| 5/20 01:50 | 88.4 | ↓-0.1 | 干潮 |
| 5/20 02:00 | 88.5 | ↑0.1 | |
| 5/20 02:10 | 88.6 | ↑0.1 | |
| 5/20 02:20 | 88.9 | ↑0.3 | |
| 5/20 02:30 | 89.3 | ↑0.4 | |
| 5/20 02:40 | 89.9 | ↑0.6 | |
| 5/20 02:50 | 90.6 | ↑0.7 | |
| 5/20 03:00 | 91.3 | ↑0.7 | |
| 5/20 03:10 | 92.2 | ↑0.9 | |
| 5/20 03:20 | 93.2 | ↑1.0 | |
| 5/20 03:30 | 94.3 | ↑1.1 | |
| 5/20 03:40 | 95.4 | ↑1.1 | |
| 5/20 03:50 | 96.7 | ↑1.3 | |
| 5/20 04:00 | 97.9 | ↑1.2 | |
| 5/20 04:10 | 99.3 | ↑1.4 | |
| 5/20 04:20 | 100.6 | ↑1.3 | |
| 5/20 04:30 | 102.0 | ↑1.4 | |
| 5/20 04:40 | 103.4 | ↑1.4 | |
| 5/20 04:50 | 104.7 | ↑1.3 | |
| 5/20 05:00 | 106.0 | ↑1.3 | |
| 5/20 05:10 | 107.3 | ↑1.3 | |
| 5/20 05:20 | 108.5 | ↑1.2 | |
| 5/20 05:30 | 109.6 | ↑1.1 | |
| 5/20 05:40 | 110.6 | ↑1.0 | |
| 5/20 05:50 | 111.5 | ↑0.9 | |
| 5/20 06:00 | 112.3 | ↑0.8 | |
| 5/20 06:10 | 113.0 | ↑0.7 | |
| 5/20 06:20 | 113.5 | ↑0.5 | |
| 5/20 06:30 | 113.9 | ↑0.4 | |
| 5/20 06:40 | 114.1 | ↑0.2 | |
| 5/20 06:50 | 114.2 | ↑0.1 | 満潮 |
| 5/20 07:00 | 114.2 | 0 | |
| 5/20 07:10 | 113.9 | ↓-0.3 | |
| 5/20 07:20 | 113.5 | ↓-0.4 | |
| 5/20 07:30 | 112.9 | ↓-0.6 | |
| 5/20 07:40 | 112.2 | ↓-0.7 | |
| 5/20 07:50 | 111.3 | ↓-0.9 | |
| 5/20 08:00 | 110.2 | ↓-1.1 | |
| 5/20 08:10 | 108.9 | ↓-1.3 | |
| 5/20 08:20 | 107.4 | ↓-1.5 | |
| 5/20 08:30 | 105.8 | ↓-1.6 | |
| 5/20 08:40 | 104.0 | ↓-1.8 | |
| 5/20 08:50 | 102.1 | ↓-1.9 | |
| 5/20 09:00 | 100.0 | ↓-2.1 | |
| 5/20 09:10 | 97.8 | ↓-2.2 | |
| 5/20 09:20 | 95.4 | ↓-2.4 | |
| 5/20 09:30 | 92.9 | ↓-2.5 | |
| 5/20 09:40 | 90.3 | ↓-2.6 | |
| 5/20 09:50 | 87.5 | ↓-2.8 | |
| 5/20 10:00 | 84.7 | ↓-2.8 | |
| 5/20 10:10 | 81.8 | ↓-2.9 | |
| 5/20 10:20 | 78.8 | ↓-3.0 | |
| 5/20 10:30 | 75.8 | ↓-3.0 | |
| 5/20 10:40 | 72.8 | ↓-3.0 | |
| 5/20 10:50 | 69.7 | ↓-3.1 | 最大潮位差 |
| 5/20 11:00 | 66.7 | ↓-3.0 | |
| 5/20 11:10 | 63.6 | ↓-3.1 | 最大潮位差 |
| 5/20 11:20 | 60.6 | ↓-3.0 | |
| 5/20 11:30 | 57.7 | ↓-2.9 | |
| 5/20 11:40 | 54.8 | ↓-2.9 | |
| 5/20 11:50 | 51.9 | ↓-2.9 | |
| 5/20 12:00 | 49.2 | ↓-2.7 | |
| 5/20 12:10 | 46.6 | ↓-2.6 | |
| 5/20 12:20 | 44.1 | ↓-2.5 | |
| 5/20 12:30 | 41.7 | ↓-2.4 | |
| 5/20 12:40 | 39.4 | ↓-2.3 | |
| 5/20 12:50 | 37.3 | ↓-2.1 | |
| 5/20 13:00 | 35.4 | ↓-1.9 | |
| 5/20 13:10 | 33.6 | ↓-1.8 | |
| 5/20 13:20 | 32.0 | ↓-1.6 | |
| 5/20 13:30 | 30.6 | ↓-1.4 | |
| 5/20 13:40 | 29.4 | ↓-1.2 | |
| 5/20 13:50 | 28.4 | ↓-1.0 | |
| 5/20 14:00 | 27.6 | ↓-0.8 | |
| 5/20 14:10 | 27.1 | ↓-0.5 | |
| 5/20 14:20 | 26.7 | ↓-0.4 | |
| 5/20 14:30 | 26.6 | ↓-0.1 | 干潮 |
| 5/20 14:40 | 26.7 | ↑0.1 | |
| 5/20 14:50 | 27.0 | ↑0.3 | |
| 5/20 15:00 | 27.6 | ↑0.6 | |
| 5/20 15:10 | 28.4 | ↑0.8 | |
| 5/20 15:20 | 29.4 | ↑1.0 | |
| 5/20 15:30 | 30.6 | ↑1.2 | |
| 5/20 15:40 | 32.1 | ↑1.5 | |
| 5/20 15:50 | 33.8 | ↑1.7 | |
| 5/20 16:00 | 35.6 | ↑1.8 | |
| 5/20 16:10 | 37.7 | ↑2.1 | |
| 5/20 16:20 | 39.9 | ↑2.2 | |
| 5/20 16:30 | 42.3 | ↑2.4 | |
| 5/20 16:40 | 44.8 | ↑2.5 | |
| 5/20 16:50 | 47.5 | ↑2.7 | |
| 5/20 17:00 | 50.3 | ↑2.8 | |
| 5/20 17:10 | 53.1 | ↑2.8 | |
| 5/20 17:20 | 56.1 | ↑3.0 | |
| 5/20 17:30 | 59.1 | ↑3.0 | |
| 5/20 17:40 | 62.1 | ↑3.0 | |
| 5/20 17:50 | 65.2 | ↑3.1 | 最大潮位差 |
| 5/20 18:00 | 68.2 | ↑3.0 | |
| 5/20 18:10 | 71.3 | ↑3.1 | 最大潮位差 |
| 5/20 18:20 | 74.3 | ↑3.0 | |
| 5/20 18:30 | 77.3 | ↑3.0 | |
| 5/20 18:40 | 80.2 | ↑2.9 | |
| 5/20 18:50 | 83.1 | ↑2.9 | |
| 5/20 19:00 | 85.8 | ↑2.7 | |
| 5/20 19:10 | 88.5 | ↑2.7 | |
| 5/20 19:20 | 91.1 | ↑2.6 | |
| 5/20 19:30 | 93.5 | ↑2.4 | |
| 5/20 19:40 | 95.8 | ↑2.3 | |
| 5/20 19:50 | 98.0 | ↑2.2 | |
| 5/20 20:00 | 100.0 | ↑2.0 | |
| 5/20 20:10 | 101.8 | ↑1.8 | |
| 5/20 20:20 | 103.5 | ↑1.7 | |
| 5/20 20:30 | 105.0 | ↑1.5 | |
| 5/20 20:40 | 106.4 | ↑1.4 | |
| 5/20 20:50 | 107.5 | ↑1.1 | |
| 5/20 21:00 | 108.5 | ↑1.0 | |
| 5/20 21:10 | 109.3 | ↑0.8 | |
| 5/20 21:20 | 109.9 | ↑0.6 | |
| 5/20 21:30 | 110.3 | ↑0.4 | |
| 5/20 21:40 | 110.6 | ↑0.3 | 満潮 |
| 5/20 21:50 | 110.7 | ↑0.1 | 満潮 |
| 5/20 22:00 | 110.6 | ↓-0.1 | |
| 5/20 22:10 | 110.3 | ↓-0.3 | |
| 5/20 22:20 | 109.9 | ↓-0.4 | |
| 5/20 22:30 | 109.4 | ↓-0.5 | |
| 5/20 22:40 | 108.7 | ↓-0.7 | |
| 5/20 22:50 | 108.0 | ↓-0.7 | |
| 5/20 23:00 | 107.1 | ↓-0.9 | |
| 5/20 23:10 | 106.1 | ↓-1.0 | |
| 5/20 23:20 | 105.1 | ↓-1.0 | |
| 5/20 23:30 | 103.9 | ↓-1.2 | |
| 5/20 23:40 | 102.8 | ↓-1.1 | |
| 5/20 23:50 | 101.6 | ↓-1.2 |