| 満潮 | 干潮 | 満潮 | 干潮 |
|
20
(水) |
04:46 | 12:29 | 19:57 | - |
| 139cm | -9cm | 116cm | - | |
|
||||
日立（茨城）2026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 | 93.4 | ↑0.5 | |
| 5/20 00:10 | 94.0 | ↑0.6 | |
| 5/20 00:20 | 94.9 | ↑0.9 | |
| 5/20 00:30 | 95.9 | ↑1.0 | |
| 5/20 00:40 | 97.1 | ↑1.2 | |
| 5/20 00:50 | 98.4 | ↑1.3 | |
| 5/20 01:00 | 99.9 | ↑1.5 | |
| 5/20 01:10 | 101.6 | ↑1.7 | |
| 5/20 01:20 | 103.4 | ↑1.8 | |
| 5/20 01:30 | 105.4 | ↑2.0 | |
| 5/20 01:40 | 107.4 | ↑2.0 | |
| 5/20 01:50 | 109.6 | ↑2.2 | |
| 5/20 02:00 | 111.8 | ↑2.2 | |
| 5/20 02:10 | 114.1 | ↑2.3 | |
| 5/20 02:20 | 116.4 | ↑2.3 | |
| 5/20 02:30 | 118.7 | ↑2.3 | |
| 5/20 02:40 | 121.0 | ↑2.3 | |
| 5/20 02:50 | 123.2 | ↑2.2 | |
| 5/20 03:00 | 125.4 | ↑2.2 | |
| 5/20 03:10 | 127.4 | ↑2.0 | |
| 5/20 03:20 | 129.4 | ↑2.0 | |
| 5/20 03:30 | 131.2 | ↑1.8 | |
| 5/20 03:40 | 132.8 | ↑1.6 | |
| 5/20 03:50 | 134.2 | ↑1.4 | |
| 5/20 04:00 | 135.5 | ↑1.3 | |
| 5/20 04:10 | 136.5 | ↑1.0 | |
| 5/20 04:20 | 137.2 | ↑0.7 | |
| 5/20 04:30 | 137.8 | ↑0.6 | |
| 5/20 04:40 | 138.0 | ↑0.2 | 満潮 |
| 5/20 04:50 | 138.0 | 0 | |
| 5/20 05:00 | 137.7 | ↓-0.3 | |
| 5/20 05:10 | 137.2 | ↓-0.5 | |
| 5/20 05:20 | 136.3 | ↓-0.9 | |
| 5/20 05:30 | 135.2 | ↓-1.1 | |
| 5/20 05:40 | 133.7 | ↓-1.5 | |
| 5/20 05:50 | 132.0 | ↓-1.7 | |
| 5/20 06:00 | 130.0 | ↓-2.0 | |
| 5/20 06:10 | 127.7 | ↓-2.3 | |
| 5/20 06:20 | 125.2 | ↓-2.5 | |
| 5/20 06:30 | 122.3 | ↓-2.9 | |
| 5/20 06:40 | 119.2 | ↓-3.1 | |
| 5/20 06:50 | 115.8 | ↓-3.4 | |
| 5/20 07:00 | 112.2 | ↓-3.6 | |
| 5/20 07:10 | 108.3 | ↓-3.9 | |
| 5/20 07:20 | 104.2 | ↓-4.1 | |
| 5/20 07:30 | 99.8 | ↓-4.4 | |
| 5/20 07:40 | 95.3 | ↓-4.5 | |
| 5/20 07:50 | 90.6 | ↓-4.7 | |
| 5/20 08:00 | 85.8 | ↓-4.8 | |
| 5/20 08:10 | 80.8 | ↓-5.0 | |
| 5/20 08:20 | 75.7 | ↓-5.1 | |
| 5/20 08:30 | 70.6 | ↓-5.1 | |
| 5/20 08:40 | 65.4 | ↓-5.2 | |
| 5/20 08:50 | 60.1 | ↓-5.3 | 最大潮位差 |
| 5/20 09:00 | 54.9 | ↓-5.2 | |
| 5/20 09:10 | 49.8 | ↓-5.1 | |
| 5/20 09:20 | 44.7 | ↓-5.1 | |
| 5/20 09:30 | 39.7 | ↓-5.0 | |
| 5/20 09:40 | 34.8 | ↓-4.9 | |
| 5/20 09:50 | 30.1 | ↓-4.7 | |
| 5/20 10:00 | 25.6 | ↓-4.5 | |
| 5/20 10:10 | 21.3 | ↓-4.3 | |
| 5/20 10:20 | 17.2 | ↓-4.1 | |
| 5/20 10:30 | 13.3 | ↓-3.9 | |
| 5/20 10:40 | 9.7 | ↓-3.6 | |
| 5/20 10:50 | 6.3 | ↓-3.4 | |
| 5/20 11:00 | 3.2 | ↓-3.1 | |
| 5/20 11:10 | 0.5 | ↓-2.7 | |
| 5/20 11:20 | -2.0 | ↓-2.5 | |
| 5/20 11:30 | -4.1 | ↓-2.1 | |
| 5/20 11:40 | -6.0 | ↓-1.9 | |
| 5/20 11:50 | -7.5 | ↓-1.5 | |
| 5/20 12:00 | -8.6 | ↓-1.1 | |
| 5/20 12:10 | -9.4 | ↓-0.8 | |
| 5/20 12:20 | -9.9 | ↓-0.5 | 干潮 |
| 5/20 12:30 | -9.9 | 0 | |
| 5/20 12:40 | -9.7 | ↑0.2 | |
| 5/20 12:50 | -9.1 | ↑0.6 | |
| 5/20 13:00 | -8.1 | ↑1.0 | |
| 5/20 13:10 | -6.8 | ↑1.3 | |
| 5/20 13:20 | -5.1 | ↑1.7 | |
| 5/20 13:30 | -3.2 | ↑1.9 | |
| 5/20 13:40 | -0.9 | ↑2.3 | |
| 5/20 13:50 | 1.8 | ↑2.7 | |
| 5/20 14:00 | 4.7 | ↑2.9 | |
| 5/20 14:10 | 7.9 | ↑3.2 | |
| 5/20 14:20 | 11.3 | ↑3.4 | |
| 5/20 14:30 | 14.9 | ↑3.6 | |
| 5/20 14:40 | 18.8 | ↑3.9 | |
| 5/20 14:50 | 22.8 | ↑4.0 | |
| 5/20 15:00 | 27.0 | ↑4.2 | |
| 5/20 15:10 | 31.3 | ↑4.3 | |
| 5/20 15:20 | 35.7 | ↑4.4 | |
| 5/20 15:30 | 40.2 | ↑4.5 | |
| 5/20 15:40 | 44.7 | ↑4.5 | |
| 5/20 15:50 | 49.2 | ↑4.5 | |
| 5/20 16:00 | 53.7 | ↑4.5 | |
| 5/20 16:10 | 58.2 | ↑4.5 | |
| 5/20 16:20 | 62.6 | ↑4.4 | |
| 5/20 16:30 | 66.9 | ↑4.3 | |
| 5/20 16:40 | 71.1 | ↑4.2 | |
| 5/20 16:50 | 75.2 | ↑4.1 | |
| 5/20 17:00 | 79.2 | ↑4.0 | |
| 5/20 17:10 | 83.0 | ↑3.8 | |
| 5/20 17:20 | 86.6 | ↑3.6 | |
| 5/20 17:30 | 90.1 | ↑3.5 | |
| 5/20 17:40 | 93.3 | ↑3.2 | |
| 5/20 17:50 | 96.4 | ↑3.1 | |
| 5/20 18:00 | 99.3 | ↑2.9 | |
| 5/20 18:10 | 101.9 | ↑2.6 | |
| 5/20 18:20 | 104.3 | ↑2.4 | |
| 5/20 18:30 | 106.5 | ↑2.2 | |
| 5/20 18:40 | 108.4 | ↑1.9 | |
| 5/20 18:50 | 110.1 | ↑1.7 | |
| 5/20 19:00 | 111.5 | ↑1.4 | |
| 5/20 19:10 | 112.7 | ↑1.2 | |
| 5/20 19:20 | 113.7 | ↑1.0 | |
| 5/20 19:30 | 114.4 | ↑0.7 | |
| 5/20 19:40 | 114.9 | ↑0.5 | |
| 5/20 19:50 | 115.1 | ↑0.2 | 満潮 |
| 5/20 20:00 | 115.2 | ↑0.1 | |
| 5/20 20:10 | 115.0 | ↓-0.2 | |
| 5/20 20:20 | 114.6 | ↓-0.4 | |
| 5/20 20:30 | 114.0 | ↓-0.6 | |
| 5/20 20:40 | 113.3 | ↓-0.7 | |
| 5/20 20:50 | 112.4 | ↓-0.9 | |
| 5/20 21:00 | 111.5 | ↓-0.9 | |
| 5/20 21:10 | 110.4 | ↓-1.1 | |
| 5/20 21:20 | 109.2 | ↓-1.2 | |
| 5/20 21:30 | 107.9 | ↓-1.3 | |
| 5/20 21:40 | 106.7 | ↓-1.2 | |
| 5/20 21:50 | 105.3 | ↓-1.4 | |
| 5/20 22:00 | 104.0 | ↓-1.3 | |
| 5/20 22:10 | 102.7 | ↓-1.3 | |
| 5/20 22:20 | 101.5 | ↓-1.2 | |
| 5/20 22:30 | 100.3 | ↓-1.2 | |
| 5/20 22:40 | 99.1 | ↓-1.2 | |
| 5/20 22:50 | 98.1 | ↓-1.0 | |
| 5/20 23:00 | 97.1 | ↓-1.0 | |
| 5/20 23:10 | 96.2 | ↓-0.9 | |
| 5/20 23:20 | 95.4 | ↓-0.8 | |
| 5/20 23:30 | 94.8 | ↓-0.6 | |
| 5/20 23:40 | 94.3 | ↓-0.5 | |
| 5/20 23:50 | 93.9 | ↓-0.4 |