| 満潮 | 干潮 | 満潮 | 干潮 |
|
21
(月) |
08:09 | 03:13 | 22:38 | 15:30 |
| 105cm | 84cm | 112cm | 39cm | |
|
||||
日立（茨城）2029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 | 100.3 | ↓-1.3 | |
| 5/21 00:10 | 99.0 | ↓-1.3 | |
| 5/21 00:20 | 97.8 | ↓-1.2 | |
| 5/21 00:30 | 96.5 | ↓-1.3 | |
| 5/21 00:40 | 95.3 | ↓-1.2 | |
| 5/21 00:50 | 94.0 | ↓-1.3 | |
| 5/21 01:00 | 92.8 | ↓-1.2 | |
| 5/21 01:10 | 91.7 | ↓-1.1 | |
| 5/21 01:20 | 90.5 | ↓-1.2 | |
| 5/21 01:30 | 89.5 | ↓-1.0 | |
| 5/21 01:40 | 88.5 | ↓-1.0 | |
| 5/21 01:50 | 87.6 | ↓-0.9 | |
| 5/21 02:00 | 86.8 | ↓-0.8 | |
| 5/21 02:10 | 86.0 | ↓-0.8 | |
| 5/21 02:20 | 85.4 | ↓-0.6 | |
| 5/21 02:30 | 84.9 | ↓-0.5 | |
| 5/21 02:40 | 84.4 | ↓-0.5 | |
| 5/21 02:50 | 84.1 | ↓-0.3 | |
| 5/21 03:00 | 83.9 | ↓-0.2 | |
| 5/21 03:10 | 83.8 | ↓-0.1 | 干潮 |
| 5/21 03:20 | 83.9 | ↑0.1 | |
| 5/21 03:30 | 84.0 | ↑0.1 | |
| 5/21 03:40 | 84.3 | ↑0.3 | |
| 5/21 03:50 | 84.7 | ↑0.4 | |
| 5/21 04:00 | 85.2 | ↑0.5 | |
| 5/21 04:10 | 85.8 | ↑0.6 | |
| 5/21 04:20 | 86.5 | ↑0.7 | |
| 5/21 04:30 | 87.2 | ↑0.7 | |
| 5/21 04:40 | 88.1 | ↑0.9 | |
| 5/21 04:50 | 89.0 | ↑0.9 | |
| 5/21 05:00 | 90.0 | ↑1.0 | |
| 5/21 05:10 | 91.0 | ↑1.0 | |
| 5/21 05:20 | 92.1 | ↑1.1 | |
| 5/21 05:30 | 93.2 | ↑1.1 | |
| 5/21 05:40 | 94.2 | ↑1.0 | |
| 5/21 05:50 | 95.3 | ↑1.1 | |
| 5/21 06:00 | 96.4 | ↑1.1 | |
| 5/21 06:10 | 97.4 | ↑1.0 | |
| 5/21 06:20 | 98.4 | ↑1.0 | |
| 5/21 06:30 | 99.4 | ↑1.0 | |
| 5/21 06:40 | 100.3 | ↑0.9 | |
| 5/21 06:50 | 101.1 | ↑0.8 | |
| 5/21 07:00 | 101.9 | ↑0.8 | |
| 5/21 07:10 | 102.5 | ↑0.6 | |
| 5/21 07:20 | 103.1 | ↑0.6 | |
| 5/21 07:30 | 103.6 | ↑0.5 | |
| 5/21 07:40 | 104.0 | ↑0.4 | |
| 5/21 07:50 | 104.3 | ↑0.3 | |
| 5/21 08:00 | 104.4 | ↑0.1 | 満潮 |
| 5/21 08:10 | 104.5 | ↑0.1 | |
| 5/21 08:20 | 104.4 | ↓-0.1 | |
| 5/21 08:30 | 104.1 | ↓-0.3 | |
| 5/21 08:40 | 103.8 | ↓-0.3 | |
| 5/21 08:50 | 103.3 | ↓-0.5 | |
| 5/21 09:00 | 102.6 | ↓-0.7 | |
| 5/21 09:10 | 101.9 | ↓-0.7 | |
| 5/21 09:20 | 100.9 | ↓-1.0 | |
| 5/21 09:30 | 99.9 | ↓-1.0 | |
| 5/21 09:40 | 98.6 | ↓-1.3 | |
| 5/21 09:50 | 97.3 | ↓-1.3 | |
| 5/21 10:00 | 95.8 | ↓-1.5 | |
| 5/21 10:10 | 94.2 | ↓-1.6 | |
| 5/21 10:20 | 92.5 | ↓-1.7 | |
| 5/21 10:30 | 90.7 | ↓-1.8 | |
| 5/21 10:40 | 88.7 | ↓-2.0 | |
| 5/21 10:50 | 86.7 | ↓-2.0 | |
| 5/21 11:00 | 84.6 | ↓-2.1 | |
| 5/21 11:10 | 82.4 | ↓-2.2 | |
| 5/21 11:20 | 80.2 | ↓-2.2 | |
| 5/21 11:30 | 77.9 | ↓-2.3 | |
| 5/21 11:40 | 75.6 | ↓-2.3 | |
| 5/21 11:50 | 73.3 | ↓-2.3 | |
| 5/21 12:00 | 70.9 | ↓-2.4 | |
| 5/21 12:10 | 68.5 | ↓-2.4 | |
| 5/21 12:20 | 66.2 | ↓-2.3 | |
| 5/21 12:30 | 63.9 | ↓-2.3 | |
| 5/21 12:40 | 61.6 | ↓-2.3 | |
| 5/21 12:50 | 59.3 | ↓-2.3 | |
| 5/21 13:00 | 57.1 | ↓-2.2 | |
| 5/21 13:10 | 55.0 | ↓-2.1 | |
| 5/21 13:20 | 53.0 | ↓-2.0 | |
| 5/21 13:30 | 51.0 | ↓-2.0 | |
| 5/21 13:40 | 49.1 | ↓-1.9 | |
| 5/21 13:50 | 47.4 | ↓-1.7 | |
| 5/21 14:00 | 45.7 | ↓-1.7 | |
| 5/21 14:10 | 44.2 | ↓-1.5 | |
| 5/21 14:20 | 42.9 | ↓-1.3 | |
| 5/21 14:30 | 41.6 | ↓-1.3 | |
| 5/21 14:40 | 40.6 | ↓-1.0 | |
| 5/21 14:50 | 39.7 | ↓-0.9 | |
| 5/21 15:00 | 39.1 | ↓-0.6 | |
| 5/21 15:10 | 38.6 | ↓-0.5 | |
| 5/21 15:20 | 38.3 | ↓-0.3 | 干潮 |
| 5/21 15:30 | 38.2 | ↓-0.1 | 干潮 |
| 5/21 15:40 | 38.3 | ↑0.1 | |
| 5/21 15:50 | 38.6 | ↑0.3 | |
| 5/21 16:00 | 39.1 | ↑0.5 | |
| 5/21 16:10 | 39.9 | ↑0.8 | |
| 5/21 16:20 | 40.8 | ↑0.9 | |
| 5/21 16:30 | 42.0 | ↑1.2 | |
| 5/21 16:40 | 43.3 | ↑1.3 | |
| 5/21 16:50 | 44.8 | ↑1.5 | |
| 5/21 17:00 | 46.5 | ↑1.7 | |
| 5/21 17:10 | 48.3 | ↑1.8 | |
| 5/21 17:20 | 50.3 | ↑2.0 | |
| 5/21 17:30 | 52.5 | ↑2.2 | |
| 5/21 17:40 | 54.7 | ↑2.2 | |
| 5/21 17:50 | 57.1 | ↑2.4 | |
| 5/21 18:00 | 59.5 | ↑2.4 | |
| 5/21 18:10 | 62.1 | ↑2.6 | |
| 5/21 18:20 | 64.7 | ↑2.6 | |
| 5/21 18:30 | 67.3 | ↑2.6 | |
| 5/21 18:40 | 70.0 | ↑2.7 | |
| 5/21 18:50 | 72.7 | ↑2.7 | |
| 5/21 19:00 | 75.4 | ↑2.7 | |
| 5/21 19:10 | 78.2 | ↑2.8 | 最大潮位差 |
| 5/21 19:20 | 80.8 | ↑2.6 | |
| 5/21 19:30 | 83.5 | ↑2.7 | |
| 5/21 19:40 | 86.1 | ↑2.6 | |
| 5/21 19:50 | 88.7 | ↑2.6 | |
| 5/21 20:00 | 91.1 | ↑2.4 | |
| 5/21 20:10 | 93.5 | ↑2.4 | |
| 5/21 20:20 | 95.8 | ↑2.3 | |
| 5/21 20:30 | 97.9 | ↑2.1 | |
| 5/21 20:40 | 100.0 | ↑2.1 | |
| 5/21 20:50 | 101.9 | ↑1.9 | |
| 5/21 21:00 | 103.6 | ↑1.7 | |
| 5/21 21:10 | 105.2 | ↑1.6 | |
| 5/21 21:20 | 106.6 | ↑1.4 | |
| 5/21 21:30 | 107.9 | ↑1.3 | |
| 5/21 21:40 | 109.0 | ↑1.1 | |
| 5/21 21:50 | 109.9 | ↑0.9 | |
| 5/21 22:00 | 110.6 | ↑0.7 | |
| 5/21 22:10 | 111.2 | ↑0.6 | |
| 5/21 22:20 | 111.5 | ↑0.3 | |
| 5/21 22:30 | 111.7 | ↑0.2 | 満潮 |
| 5/21 22:40 | 111.8 | ↑0.1 | |
| 5/21 22:50 | 111.6 | ↓-0.2 | |
| 5/21 23:00 | 111.3 | ↓-0.3 | |
| 5/21 23:10 | 110.9 | ↓-0.4 | |
| 5/21 23:20 | 110.3 | ↓-0.6 | |
| 5/21 23:30 | 109.6 | ↓-0.7 | |
| 5/21 23:40 | 108.7 | ↓-0.9 | |
| 5/21 23:50 | 107.7 | ↓-1.0 |