| 満潮 | 干潮 | 満潮 | 干潮 |
|
21
(日) |
04:58 | 12:11 | 19:11 | - |
| 136cm | -4cm | 122cm | - | |
|
||||
日立（茨城）2034年05月21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 |
|---|---|---|---|
| 5/21 00:00 | 76.4 | ↑0.6 | |
| 5/21 00:10 | 77.2 | ↑0.8 | |
| 5/21 00:20 | 78.2 | ↑1.0 | |
| 5/21 00:30 | 79.5 | ↑1.3 | |
| 5/21 00:40 | 81.0 | ↑1.5 | |
| 5/21 00:50 | 82.8 | ↑1.8 | |
| 5/21 01:00 | 84.7 | ↑1.9 | |
| 5/21 01:10 | 86.9 | ↑2.2 | |
| 5/21 01:20 | 89.2 | ↑2.3 | |
| 5/21 01:30 | 91.7 | ↑2.5 | |
| 5/21 01:40 | 94.3 | ↑2.6 | |
| 5/21 01:50 | 97.1 | ↑2.8 | |
| 5/21 02:00 | 99.9 | ↑2.8 | |
| 5/21 02:10 | 102.8 | ↑2.9 | |
| 5/21 02:20 | 105.7 | ↑2.9 | |
| 5/21 02:30 | 108.6 | ↑2.9 | |
| 5/21 02:40 | 111.5 | ↑2.9 | |
| 5/21 02:50 | 114.4 | ↑2.9 | |
| 5/21 03:00 | 117.1 | ↑2.7 | |
| 5/21 03:10 | 119.7 | ↑2.6 | |
| 5/21 03:20 | 122.2 | ↑2.5 | |
| 5/21 03:30 | 124.6 | ↑2.4 | |
| 5/21 03:40 | 126.7 | ↑2.1 | |
| 5/21 03:50 | 128.6 | ↑1.9 | |
| 5/21 04:00 | 130.3 | ↑1.7 | |
| 5/21 04:10 | 131.8 | ↑1.5 | |
| 5/21 04:20 | 133.0 | ↑1.2 | |
| 5/21 04:30 | 133.9 | ↑0.9 | |
| 5/21 04:40 | 134.6 | ↑0.7 | |
| 5/21 04:50 | 135.0 | ↑0.4 | 満潮 |
| 5/21 05:00 | 135.0 | 0 | |
| 5/21 05:10 | 134.8 | ↓-0.2 | |
| 5/21 05:20 | 134.2 | ↓-0.6 | |
| 5/21 05:30 | 133.4 | ↓-0.8 | |
| 5/21 05:40 | 132.2 | ↓-1.2 | |
| 5/21 05:50 | 130.7 | ↓-1.5 | |
| 5/21 06:00 | 128.9 | ↓-1.8 | |
| 5/21 06:10 | 126.8 | ↓-2.1 | |
| 5/21 06:20 | 124.3 | ↓-2.5 | |
| 5/21 06:30 | 121.6 | ↓-2.7 | |
| 5/21 06:40 | 118.5 | ↓-3.1 | |
| 5/21 06:50 | 115.1 | ↓-3.4 | |
| 5/21 07:00 | 111.5 | ↓-3.6 | |
| 5/21 07:10 | 107.6 | ↓-3.9 | |
| 5/21 07:20 | 103.5 | ↓-4.1 | |
| 5/21 07:30 | 99.1 | ↓-4.4 | |
| 5/21 07:40 | 94.5 | ↓-4.6 | |
| 5/21 07:50 | 89.7 | ↓-4.8 | |
| 5/21 08:00 | 84.8 | ↓-4.9 | |
| 5/21 08:10 | 79.8 | ↓-5.0 | |
| 5/21 08:20 | 74.6 | ↓-5.2 | 最大潮位差 |
| 5/21 08:30 | 69.4 | ↓-5.2 | 最大潮位差 |
| 5/21 08:40 | 64.2 | ↓-5.2 | 最大潮位差 |
| 5/21 08:50 | 59.0 | ↓-5.2 | 最大潮位差 |
| 5/21 09:00 | 53.8 | ↓-5.2 | 最大潮位差 |
| 5/21 09:10 | 48.7 | ↓-5.1 | |
| 5/21 09:20 | 43.7 | ↓-5.0 | |
| 5/21 09:30 | 38.8 | ↓-4.9 | |
| 5/21 09:40 | 34.1 | ↓-4.7 | |
| 5/21 09:50 | 29.5 | ↓-4.6 | |
| 5/21 10:00 | 25.2 | ↓-4.3 | |
| 5/21 10:10 | 21.1 | ↓-4.1 | |
| 5/21 10:20 | 17.3 | ↓-3.8 | |
| 5/21 10:30 | 13.7 | ↓-3.6 | |
| 5/21 10:40 | 10.4 | ↓-3.3 | |
| 5/21 10:50 | 7.4 | ↓-3.0 | |
| 5/21 11:00 | 4.8 | ↓-2.6 | |
| 5/21 11:10 | 2.4 | ↓-2.4 | |
| 5/21 11:20 | 0.4 | ↓-2.0 | |
| 5/21 11:30 | -1.2 | ↓-1.6 | |
| 5/21 11:40 | -2.5 | ↓-1.3 | |
| 5/21 11:50 | -3.5 | ↓-1.0 | |
| 5/21 12:00 | -4.0 | ↓-0.5 | |
| 5/21 12:10 | -4.2 | ↓-0.2 | 干潮 |
| 5/21 12:20 | -4.0 | ↑0.2 | |
| 5/21 12:30 | -3.4 | ↑0.6 | |
| 5/21 12:40 | -2.5 | ↑0.9 | |
| 5/21 12:50 | -1.1 | ↑1.4 | |
| 5/21 13:00 | 0.6 | ↑1.7 | |
| 5/21 13:10 | 2.7 | ↑2.1 | |
| 5/21 13:20 | 5.1 | ↑2.4 | |
| 5/21 13:30 | 7.8 | ↑2.7 | |
| 5/21 13:40 | 10.9 | ↑3.1 | |
| 5/21 13:50 | 14.3 | ↑3.4 | |
| 5/21 14:00 | 18.0 | ↑3.7 | |
| 5/21 14:10 | 21.9 | ↑3.9 | |
| 5/21 14:20 | 26.0 | ↑4.1 | |
| 5/21 14:30 | 30.3 | ↑4.3 | |
| 5/21 14:40 | 34.8 | ↑4.5 | |
| 5/21 14:50 | 39.3 | ↑4.5 | |
| 5/21 15:00 | 44.0 | ↑4.7 | |
| 5/21 15:10 | 48.8 | ↑4.8 | |
| 5/21 15:20 | 53.6 | ↑4.8 | |
| 5/21 15:30 | 58.4 | ↑4.8 | |
| 5/21 15:40 | 63.1 | ↑4.7 | |
| 5/21 15:50 | 67.8 | ↑4.7 | |
| 5/21 16:00 | 72.4 | ↑4.6 | |
| 5/21 16:10 | 76.9 | ↑4.5 | |
| 5/21 16:20 | 81.3 | ↑4.4 | |
| 5/21 16:30 | 85.5 | ↑4.2 | |
| 5/21 16:40 | 89.5 | ↑4.0 | |
| 5/21 16:50 | 93.4 | ↑3.9 | |
| 5/21 17:00 | 97.0 | ↑3.6 | |
| 5/21 17:10 | 100.5 | ↑3.5 | |
| 5/21 17:20 | 103.7 | ↑3.2 | |
| 5/21 17:30 | 106.6 | ↑2.9 | |
| 5/21 17:40 | 109.3 | ↑2.7 | |
| 5/21 17:50 | 111.7 | ↑2.4 | |
| 5/21 18:00 | 113.9 | ↑2.2 | |
| 5/21 18:10 | 115.8 | ↑1.9 | |
| 5/21 18:20 | 117.4 | ↑1.6 | |
| 5/21 18:30 | 118.7 | ↑1.3 | |
| 5/21 18:40 | 119.7 | ↑1.0 | |
| 5/21 18:50 | 120.5 | ↑0.8 | |
| 5/21 19:00 | 120.9 | ↑0.4 | |
| 5/21 19:10 | 121.1 | ↑0.2 | 満潮 |
| 5/21 19:20 | 120.9 | ↓-0.2 | |
| 5/21 19:30 | 120.5 | ↓-0.4 | |
| 5/21 19:40 | 119.8 | ↓-0.7 | |
| 5/21 19:50 | 118.9 | ↓-0.9 | |
| 5/21 20:00 | 117.8 | ↓-1.1 | |
| 5/21 20:10 | 116.4 | ↓-1.4 | |
| 5/21 20:20 | 114.9 | ↓-1.5 | |
| 5/21 20:30 | 113.2 | ↓-1.7 | |
| 5/21 20:40 | 111.3 | ↓-1.9 | |
| 5/21 20:50 | 109.3 | ↓-2.0 | |
| 5/21 21:00 | 107.2 | ↓-2.1 | |
| 5/21 21:10 | 105.1 | ↓-2.1 | |
| 5/21 21:20 | 102.9 | ↓-2.2 | |
| 5/21 21:30 | 100.7 | ↓-2.2 | |
| 5/21 21:40 | 98.5 | ↓-2.2 | |
| 5/21 21:50 | 96.3 | ↓-2.2 | |
| 5/21 22:00 | 94.2 | ↓-2.1 | |
| 5/21 22:10 | 92.1 | ↓-2.1 | |
| 5/21 22:20 | 90.1 | ↓-2.0 | |
| 5/21 22:30 | 88.3 | ↓-1.8 | |
| 5/21 22:40 | 86.6 | ↓-1.7 | |
| 5/21 22:50 | 85.0 | ↓-1.6 | |
| 5/21 23:00 | 83.5 | ↓-1.5 | |
| 5/21 23:10 | 82.2 | ↓-1.3 | |
| 5/21 23:20 | 81.1 | ↓-1.1 | |
| 5/21 23:30 | 80.1 | ↓-1.0 | |
| 5/21 23:40 | 79.4 | ↓-0.7 | |
| 5/21 23:50 | 78.8 | ↓-0.6 |