| 満潮 | 干潮 | 満潮 | 干潮 |
|
20
(日) |
03:40 | 10:38 | 17:29 | 22:50 |
| 139cm | 21cm | 135cm | 83cm | |
|
||||
日立（茨城）2031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 | 98.3 | ↑2.0 | |
| 7/20 00:10 | 100.5 | ↑2.2 | |
| 7/20 00:20 | 102.8 | ↑2.3 | |
| 7/20 00:30 | 105.3 | ↑2.5 | |
| 7/20 00:40 | 107.8 | ↑2.5 | |
| 7/20 00:50 | 110.3 | ↑2.5 | |
| 7/20 01:00 | 112.9 | ↑2.6 | |
| 7/20 01:10 | 115.4 | ↑2.5 | |
| 7/20 01:20 | 118.0 | ↑2.6 | |
| 7/20 01:30 | 120.5 | ↑2.5 | |
| 7/20 01:40 | 122.9 | ↑2.4 | |
| 7/20 01:50 | 125.2 | ↑2.3 | |
| 7/20 02:00 | 127.4 | ↑2.2 | |
| 7/20 02:10 | 129.4 | ↑2.0 | |
| 7/20 02:20 | 131.3 | ↑1.9 | |
| 7/20 02:30 | 132.9 | ↑1.6 | |
| 7/20 02:40 | 134.4 | ↑1.5 | |
| 7/20 02:50 | 135.7 | ↑1.3 | |
| 7/20 03:00 | 136.8 | ↑1.1 | |
| 7/20 03:10 | 137.6 | ↑0.8 | |
| 7/20 03:20 | 138.2 | ↑0.6 | |
| 7/20 03:30 | 138.6 | ↑0.4 | 満潮 |
| 7/20 03:40 | 138.7 | ↑0.1 | 満潮 |
| 7/20 03:50 | 138.5 | ↓-0.2 | |
| 7/20 04:00 | 138.1 | ↓-0.4 | |
| 7/20 04:10 | 137.4 | ↓-0.7 | |
| 7/20 04:20 | 136.4 | ↓-1.0 | |
| 7/20 04:30 | 135.1 | ↓-1.3 | |
| 7/20 04:40 | 133.5 | ↓-1.6 | |
| 7/20 04:50 | 131.7 | ↓-1.8 | |
| 7/20 05:00 | 129.5 | ↓-2.2 | |
| 7/20 05:10 | 127.1 | ↓-2.4 | |
| 7/20 05:20 | 124.3 | ↓-2.8 | |
| 7/20 05:30 | 121.3 | ↓-3.0 | |
| 7/20 05:40 | 118.1 | ↓-3.2 | |
| 7/20 05:50 | 114.6 | ↓-3.5 | |
| 7/20 06:00 | 110.9 | ↓-3.7 | |
| 7/20 06:10 | 106.9 | ↓-4.0 | |
| 7/20 06:20 | 102.8 | ↓-4.1 | |
| 7/20 06:30 | 98.5 | ↓-4.3 | |
| 7/20 06:40 | 94.1 | ↓-4.4 | |
| 7/20 06:50 | 89.6 | ↓-4.5 | |
| 7/20 07:00 | 85.1 | ↓-4.5 | |
| 7/20 07:10 | 80.5 | ↓-4.6 | 最大潮位差 |
| 7/20 07:20 | 75.9 | ↓-4.6 | 最大潮位差 |
| 7/20 07:30 | 71.3 | ↓-4.6 | 最大潮位差 |
| 7/20 07:40 | 66.7 | ↓-4.6 | 最大潮位差 |
| 7/20 07:50 | 62.3 | ↓-4.4 | |
| 7/20 08:00 | 58.0 | ↓-4.3 | |
| 7/20 08:10 | 53.8 | ↓-4.2 | |
| 7/20 08:20 | 49.8 | ↓-4.0 | |
| 7/20 08:30 | 46.0 | ↓-3.8 | |
| 7/20 08:40 | 42.3 | ↓-3.7 | |
| 7/20 08:50 | 39.0 | ↓-3.3 | |
| 7/20 09:00 | 35.8 | ↓-3.2 | |
| 7/20 09:10 | 32.9 | ↓-2.9 | |
| 7/20 09:20 | 30.3 | ↓-2.6 | |
| 7/20 09:30 | 27.9 | ↓-2.4 | |
| 7/20 09:40 | 25.9 | ↓-2.0 | |
| 7/20 09:50 | 24.2 | ↓-1.7 | |
| 7/20 10:00 | 22.7 | ↓-1.5 | |
| 7/20 10:10 | 21.7 | ↓-1.0 | |
| 7/20 10:20 | 20.9 | ↓-0.8 | |
| 7/20 10:30 | 20.5 | ↓-0.4 | 干潮 |
| 7/20 10:40 | 20.4 | ↓-0.1 | |
| 7/20 10:50 | 20.7 | ↑0.3 | |
| 7/20 11:00 | 21.3 | ↑0.6 | |
| 7/20 11:10 | 22.3 | ↑1.0 | |
| 7/20 11:20 | 23.6 | ↑1.3 | |
| 7/20 11:30 | 25.3 | ↑1.7 | |
| 7/20 11:40 | 27.3 | ↑2.0 | |
| 7/20 11:50 | 29.7 | ↑2.4 | |
| 7/20 12:00 | 32.3 | ↑2.6 | |
| 7/20 12:10 | 35.3 | ↑3.0 | |
| 7/20 12:20 | 38.5 | ↑3.2 | |
| 7/20 12:30 | 42.0 | ↑3.5 | |
| 7/20 12:40 | 45.7 | ↑3.7 | |
| 7/20 12:50 | 49.6 | ↑3.9 | |
| 7/20 13:00 | 53.7 | ↑4.1 | |
| 7/20 13:10 | 57.9 | ↑4.2 | |
| 7/20 13:20 | 62.2 | ↑4.3 | |
| 7/20 13:30 | 66.6 | ↑4.4 | |
| 7/20 13:40 | 71.0 | ↑4.4 | |
| 7/20 13:50 | 75.5 | ↑4.5 | |
| 7/20 14:00 | 79.9 | ↑4.4 | |
| 7/20 14:10 | 84.3 | ↑4.4 | |
| 7/20 14:20 | 88.6 | ↑4.3 | |
| 7/20 14:30 | 92.9 | ↑4.3 | |
| 7/20 14:40 | 97.0 | ↑4.1 | |
| 7/20 14:50 | 101.0 | ↑4.0 | |
| 7/20 15:00 | 104.8 | ↑3.8 | |
| 7/20 15:10 | 108.5 | ↑3.7 | |
| 7/20 15:20 | 111.9 | ↑3.4 | |
| 7/20 15:30 | 115.2 | ↑3.3 | |
| 7/20 15:40 | 118.3 | ↑3.1 | |
| 7/20 15:50 | 121.1 | ↑2.8 | |
| 7/20 16:00 | 123.7 | ↑2.6 | |
| 7/20 16:10 | 126.0 | ↑2.3 | |
| 7/20 16:20 | 128.1 | ↑2.1 | |
| 7/20 16:30 | 130.0 | ↑1.9 | |
| 7/20 16:40 | 131.5 | ↑1.5 | |
| 7/20 16:50 | 132.8 | ↑1.3 | |
| 7/20 17:00 | 133.7 | ↑0.9 | |
| 7/20 17:10 | 134.4 | ↑0.7 | |
| 7/20 17:20 | 134.8 | ↑0.4 | 満潮 |
| 7/20 17:30 | 134.9 | ↑0.1 | |
| 7/20 17:40 | 134.7 | ↓-0.2 | |
| 7/20 17:50 | 134.2 | ↓-0.5 | |
| 7/20 18:00 | 133.4 | ↓-0.8 | |
| 7/20 18:10 | 132.4 | ↓-1.0 | |
| 7/20 18:20 | 131.1 | ↓-1.3 | |
| 7/20 18:30 | 129.6 | ↓-1.5 | |
| 7/20 18:40 | 127.8 | ↓-1.8 | |
| 7/20 18:50 | 125.9 | ↓-1.9 | |
| 7/20 19:00 | 123.8 | ↓-2.1 | |
| 7/20 19:10 | 121.6 | ↓-2.2 | |
| 7/20 19:20 | 119.2 | ↓-2.4 | |
| 7/20 19:30 | 116.8 | ↓-2.4 | |
| 7/20 19:40 | 114.2 | ↓-2.6 | |
| 7/20 19:50 | 111.7 | ↓-2.5 | |
| 7/20 20:00 | 109.1 | ↓-2.6 | |
| 7/20 20:10 | 106.6 | ↓-2.5 | |
| 7/20 20:20 | 104.1 | ↓-2.5 | |
| 7/20 20:30 | 101.7 | ↓-2.4 | |
| 7/20 20:40 | 99.3 | ↓-2.4 | |
| 7/20 20:50 | 97.1 | ↓-2.2 | |
| 7/20 21:00 | 95.0 | ↓-2.1 | |
| 7/20 21:10 | 93.0 | ↓-2.0 | |
| 7/20 21:20 | 91.1 | ↓-1.9 | |
| 7/20 21:30 | 89.4 | ↓-1.7 | |
| 7/20 21:40 | 87.9 | ↓-1.5 | |
| 7/20 21:50 | 86.6 | ↓-1.3 | |
| 7/20 22:00 | 85.4 | ↓-1.2 | |
| 7/20 22:10 | 84.5 | ↓-0.9 | |
| 7/20 22:20 | 83.7 | ↓-0.8 | |
| 7/20 22:30 | 83.2 | ↓-0.5 | |
| 7/20 22:40 | 82.9 | ↓-0.3 | 干潮 |
| 7/20 22:50 | 82.8 | ↓-0.1 | 干潮 |
| 7/20 23:00 | 82.9 | ↑0.1 | |
| 7/20 23:10 | 83.3 | ↑0.4 | |
| 7/20 23:20 | 83.9 | ↑0.6 | |
| 7/20 23:30 | 84.8 | ↑0.9 | |
| 7/20 23:40 | 85.9 | ↑1.1 | |
| 7/20 23:50 | 87.2 | ↑1.3 |