| 満潮 | 干潮 | 満潮 | 干潮 |
|
20
(木) |
00:54 | 08:50 | 16:25 | 21:00 |
| 135cm | 16cm | 132cm | 108cm | |
|
||||
日立（茨城）2028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 | 131.8 | ↑0.8 | |
| 7/20 00:10 | 132.6 | ↑0.8 | |
| 7/20 00:20 | 133.2 | ↑0.6 | |
| 7/20 00:30 | 133.6 | ↑0.4 | |
| 7/20 00:40 | 133.9 | ↑0.3 | |
| 7/20 00:50 | 134.0 | ↑0.1 | 満潮 |
| 7/20 01:00 | 134.0 | 0 | |
| 7/20 01:10 | 133.8 | ↓-0.2 | |
| 7/20 01:20 | 133.4 | ↓-0.4 | |
| 7/20 01:30 | 132.8 | ↓-0.6 | |
| 7/20 01:40 | 132.1 | ↓-0.7 | |
| 7/20 01:50 | 131.1 | ↓-1.0 | |
| 7/20 02:00 | 130.0 | ↓-1.1 | |
| 7/20 02:10 | 128.6 | ↓-1.4 | |
| 7/20 02:20 | 127.1 | ↓-1.5 | |
| 7/20 02:30 | 125.4 | ↓-1.7 | |
| 7/20 02:40 | 123.5 | ↓-1.9 | |
| 7/20 02:50 | 121.3 | ↓-2.2 | |
| 7/20 03:00 | 119.0 | ↓-2.3 | |
| 7/20 03:10 | 116.5 | ↓-2.5 | |
| 7/20 03:20 | 113.8 | ↓-2.7 | |
| 7/20 03:30 | 110.9 | ↓-2.9 | |
| 7/20 03:40 | 107.8 | ↓-3.1 | |
| 7/20 03:50 | 104.5 | ↓-3.3 | |
| 7/20 04:00 | 101.1 | ↓-3.4 | |
| 7/20 04:10 | 97.5 | ↓-3.6 | |
| 7/20 04:20 | 93.7 | ↓-3.8 | |
| 7/20 04:30 | 89.9 | ↓-3.8 | |
| 7/20 04:40 | 85.9 | ↓-4.0 | |
| 7/20 04:50 | 81.8 | ↓-4.1 | |
| 7/20 05:00 | 77.7 | ↓-4.1 | |
| 7/20 05:10 | 73.5 | ↓-4.2 | 最大潮位差 |
| 7/20 05:20 | 69.3 | ↓-4.2 | 最大潮位差 |
| 7/20 05:30 | 65.2 | ↓-4.1 | |
| 7/20 05:40 | 61.0 | ↓-4.2 | 最大潮位差 |
| 7/20 05:50 | 56.9 | ↓-4.1 | |
| 7/20 06:00 | 52.9 | ↓-4.0 | |
| 7/20 06:10 | 49.1 | ↓-3.8 | |
| 7/20 06:20 | 45.3 | ↓-3.8 | |
| 7/20 06:30 | 41.7 | ↓-3.6 | |
| 7/20 06:40 | 38.3 | ↓-3.4 | |
| 7/20 06:50 | 35.0 | ↓-3.3 | |
| 7/20 07:00 | 32.0 | ↓-3.0 | |
| 7/20 07:10 | 29.2 | ↓-2.8 | |
| 7/20 07:20 | 26.6 | ↓-2.6 | |
| 7/20 07:30 | 24.3 | ↓-2.3 | |
| 7/20 07:40 | 22.2 | ↓-2.1 | |
| 7/20 07:50 | 20.4 | ↓-1.8 | |
| 7/20 08:00 | 18.8 | ↓-1.6 | |
| 7/20 08:10 | 17.6 | ↓-1.2 | |
| 7/20 08:20 | 16.6 | ↓-1.0 | |
| 7/20 08:30 | 15.9 | ↓-0.7 | |
| 7/20 08:40 | 15.5 | ↓-0.4 | 干潮 |
| 7/20 08:50 | 15.4 | ↓-0.1 | 干潮 |
| 7/20 09:00 | 15.6 | ↑0.2 | |
| 7/20 09:10 | 16.1 | ↑0.5 | |
| 7/20 09:20 | 16.9 | ↑0.8 | |
| 7/20 09:30 | 18.0 | ↑1.1 | |
| 7/20 09:40 | 19.4 | ↑1.4 | |
| 7/20 09:50 | 21.1 | ↑1.7 | |
| 7/20 10:00 | 23.0 | ↑1.9 | |
| 7/20 10:10 | 25.3 | ↑2.3 | |
| 7/20 10:20 | 27.8 | ↑2.5 | |
| 7/20 10:30 | 30.6 | ↑2.8 | |
| 7/20 10:40 | 33.6 | ↑3.0 | |
| 7/20 10:50 | 36.8 | ↑3.2 | |
| 7/20 11:00 | 40.2 | ↑3.4 | |
| 7/20 11:10 | 43.8 | ↑3.6 | |
| 7/20 11:20 | 47.5 | ↑3.7 | |
| 7/20 11:30 | 51.4 | ↑3.9 | |
| 7/20 11:40 | 55.4 | ↑4.0 | |
| 7/20 11:50 | 59.4 | ↑4.0 | |
| 7/20 12:00 | 63.5 | ↑4.1 | |
| 7/20 12:10 | 67.7 | ↑4.2 | 最大潮位差 |
| 7/20 12:20 | 71.8 | ↑4.1 | |
| 7/20 12:30 | 75.9 | ↑4.1 | |
| 7/20 12:40 | 79.9 | ↑4.0 | |
| 7/20 12:50 | 83.9 | ↑4.0 | |
| 7/20 13:00 | 87.8 | ↑3.9 | |
| 7/20 13:10 | 91.7 | ↑3.9 | |
| 7/20 13:20 | 95.4 | ↑3.7 | |
| 7/20 13:30 | 98.9 | ↑3.5 | |
| 7/20 13:40 | 102.4 | ↑3.5 | |
| 7/20 13:50 | 105.7 | ↑3.3 | |
| 7/20 14:00 | 108.8 | ↑3.1 | |
| 7/20 14:10 | 111.8 | ↑3.0 | |
| 7/20 14:20 | 114.6 | ↑2.8 | |
| 7/20 14:30 | 117.2 | ↑2.6 | |
| 7/20 14:40 | 119.6 | ↑2.4 | |
| 7/20 14:50 | 121.8 | ↑2.2 | |
| 7/20 15:00 | 123.8 | ↑2.0 | |
| 7/20 15:10 | 125.5 | ↑1.7 | |
| 7/20 15:20 | 127.1 | ↑1.6 | |
| 7/20 15:30 | 128.4 | ↑1.3 | |
| 7/20 15:40 | 129.5 | ↑1.1 | |
| 7/20 15:50 | 130.4 | ↑0.9 | |
| 7/20 16:00 | 131.0 | ↑0.6 | |
| 7/20 16:10 | 131.4 | ↑0.4 | |
| 7/20 16:20 | 131.6 | ↑0.2 | 満潮 |
| 7/20 16:30 | 131.6 | 0 | |
| 7/20 16:40 | 131.4 | ↓-0.2 | |
| 7/20 16:50 | 130.9 | ↓-0.5 | |
| 7/20 17:00 | 130.3 | ↓-0.6 | |
| 7/20 17:10 | 129.5 | ↓-0.8 | |
| 7/20 17:20 | 128.6 | ↓-0.9 | |
| 7/20 17:30 | 127.5 | ↓-1.1 | |
| 7/20 17:40 | 126.4 | ↓-1.1 | |
| 7/20 17:50 | 125.1 | ↓-1.3 | |
| 7/20 18:00 | 123.8 | ↓-1.3 | |
| 7/20 18:10 | 122.4 | ↓-1.4 | |
| 7/20 18:20 | 121.0 | ↓-1.4 | |
| 7/20 18:30 | 119.6 | ↓-1.4 | |
| 7/20 18:40 | 118.2 | ↓-1.4 | |
| 7/20 18:50 | 116.9 | ↓-1.3 | |
| 7/20 19:00 | 115.6 | ↓-1.3 | |
| 7/20 19:10 | 114.3 | ↓-1.3 | |
| 7/20 19:20 | 113.1 | ↓-1.2 | |
| 7/20 19:30 | 112.0 | ↓-1.1 | |
| 7/20 19:40 | 111.0 | ↓-1.0 | |
| 7/20 19:50 | 110.1 | ↓-0.9 | |
| 7/20 20:00 | 109.3 | ↓-0.8 | |
| 7/20 20:10 | 108.6 | ↓-0.7 | |
| 7/20 20:20 | 108.1 | ↓-0.5 | |
| 7/20 20:30 | 107.6 | ↓-0.5 | |
| 7/20 20:40 | 107.3 | ↓-0.3 | |
| 7/20 20:50 | 107.1 | ↓-0.2 | 干潮 |
| 7/20 21:00 | 107.0 | ↓-0.1 | 干潮 |
| 7/20 21:10 | 107.1 | ↑0.1 | |
| 7/20 21:20 | 107.4 | ↑0.3 | |
| 7/20 21:30 | 107.7 | ↑0.3 | |
| 7/20 21:40 | 108.2 | ↑0.5 | |
| 7/20 21:50 | 108.9 | ↑0.7 | |
| 7/20 22:00 | 109.7 | ↑0.8 | |
| 7/20 22:10 | 110.7 | ↑1.0 | |
| 7/20 22:20 | 111.8 | ↑1.1 | |
| 7/20 22:30 | 113.0 | ↑1.2 | |
| 7/20 22:40 | 114.3 | ↑1.3 | |
| 7/20 22:50 | 115.8 | ↑1.5 | |
| 7/20 23:00 | 117.3 | ↑1.5 | |
| 7/20 23:10 | 119.0 | ↑1.7 | |
| 7/20 23:20 | 120.7 | ↑1.7 | |
| 7/20 23:30 | 122.4 | ↑1.7 | |
| 7/20 23:40 | 124.2 | ↑1.8 | |
| 7/20 23:50 | 125.9 | ↑1.7 |