| 満潮 | 干潮 | 満潮 | 干潮 |
|
4
(木) |
05:04 | 12:05 | 18:57 | - |
| 137cm | 21cm | 134cm | - | |
|
||||
日立（茨城）2030年07月4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 |
|---|---|---|---|
| 7/4 00:00 | 85.6 | ↑0.3 | |
| 7/4 00:10 | 86.0 | ↑0.4 | |
| 7/4 00:20 | 86.7 | ↑0.7 | |
| 7/4 00:30 | 87.6 | ↑0.9 | |
| 7/4 00:40 | 88.7 | ↑1.1 | |
| 7/4 00:50 | 90.0 | ↑1.3 | |
| 7/4 01:00 | 91.5 | ↑1.5 | |
| 7/4 01:10 | 93.2 | ↑1.7 | |
| 7/4 01:20 | 95.0 | ↑1.8 | |
| 7/4 01:30 | 97.1 | ↑2.1 | |
| 7/4 01:40 | 99.3 | ↑2.2 | |
| 7/4 01:50 | 101.6 | ↑2.3 | |
| 7/4 02:00 | 104.0 | ↑2.4 | |
| 7/4 02:10 | 106.4 | ↑2.4 | |
| 7/4 02:20 | 109.0 | ↑2.6 | |
| 7/4 02:30 | 111.5 | ↑2.5 | |
| 7/4 02:40 | 114.1 | ↑2.6 | |
| 7/4 02:50 | 116.6 | ↑2.5 | |
| 7/4 03:00 | 119.1 | ↑2.5 | |
| 7/4 03:10 | 121.5 | ↑2.4 | |
| 7/4 03:20 | 123.8 | ↑2.3 | |
| 7/4 03:30 | 125.9 | ↑2.1 | |
| 7/4 03:40 | 127.9 | ↑2.0 | |
| 7/4 03:50 | 129.7 | ↑1.8 | |
| 7/4 04:00 | 131.4 | ↑1.7 | |
| 7/4 04:10 | 132.8 | ↑1.4 | |
| 7/4 04:20 | 134.0 | ↑1.2 | |
| 7/4 04:30 | 135.0 | ↑1.0 | |
| 7/4 04:40 | 135.7 | ↑0.7 | |
| 7/4 04:50 | 136.2 | ↑0.5 | |
| 7/4 05:00 | 136.4 | ↑0.2 | 満潮 |
| 7/4 05:10 | 136.3 | ↓-0.1 | |
| 7/4 05:20 | 136.0 | ↓-0.3 | |
| 7/4 05:30 | 135.4 | ↓-0.6 | |
| 7/4 05:40 | 134.5 | ↓-0.9 | |
| 7/4 05:50 | 133.4 | ↓-1.1 | |
| 7/4 06:00 | 131.9 | ↓-1.5 | |
| 7/4 06:10 | 130.2 | ↓-1.7 | |
| 7/4 06:20 | 128.2 | ↓-2.0 | |
| 7/4 06:30 | 126.0 | ↓-2.2 | |
| 7/4 06:40 | 123.5 | ↓-2.5 | |
| 7/4 06:50 | 120.7 | ↓-2.8 | |
| 7/4 07:00 | 117.7 | ↓-3.0 | |
| 7/4 07:10 | 114.5 | ↓-3.2 | |
| 7/4 07:20 | 111.0 | ↓-3.5 | |
| 7/4 07:30 | 107.3 | ↓-3.7 | |
| 7/4 07:40 | 103.4 | ↓-3.9 | |
| 7/4 07:50 | 99.4 | ↓-4.0 | |
| 7/4 08:00 | 95.3 | ↓-4.1 | |
| 7/4 08:10 | 91.0 | ↓-4.3 | |
| 7/4 08:20 | 86.6 | ↓-4.4 | |
| 7/4 08:30 | 82.2 | ↓-4.4 | |
| 7/4 08:40 | 77.7 | ↓-4.5 | 最大潮位差 |
| 7/4 08:50 | 73.2 | ↓-4.5 | 最大潮位差 |
| 7/4 09:00 | 68.8 | ↓-4.4 | |
| 7/4 09:10 | 64.4 | ↓-4.4 | |
| 7/4 09:20 | 60.1 | ↓-4.3 | |
| 7/4 09:30 | 55.9 | ↓-4.2 | |
| 7/4 09:40 | 51.9 | ↓-4.0 | |
| 7/4 09:50 | 48.0 | ↓-3.9 | |
| 7/4 10:00 | 44.3 | ↓-3.7 | |
| 7/4 10:10 | 40.8 | ↓-3.5 | |
| 7/4 10:20 | 37.5 | ↓-3.3 | |
| 7/4 10:30 | 34.5 | ↓-3.0 | |
| 7/4 10:40 | 31.7 | ↓-2.8 | |
| 7/4 10:50 | 29.2 | ↓-2.5 | |
| 7/4 11:00 | 27.0 | ↓-2.2 | |
| 7/4 11:10 | 25.1 | ↓-1.9 | |
| 7/4 11:20 | 23.5 | ↓-1.6 | |
| 7/4 11:30 | 22.3 | ↓-1.2 | |
| 7/4 11:40 | 21.3 | ↓-1.0 | |
| 7/4 11:50 | 20.6 | ↓-0.7 | |
| 7/4 12:00 | 20.3 | ↓-0.3 | 干潮 |
| 7/4 12:10 | 20.4 | ↑0.1 | |
| 7/4 12:20 | 20.7 | ↑0.3 | |
| 7/4 12:30 | 21.4 | ↑0.7 | |
| 7/4 12:40 | 22.4 | ↑1.0 | |
| 7/4 12:50 | 23.8 | ↑1.4 | |
| 7/4 13:00 | 25.5 | ↑1.7 | |
| 7/4 13:10 | 27.5 | ↑2.0 | |
| 7/4 13:20 | 29.8 | ↑2.3 | |
| 7/4 13:30 | 32.4 | ↑2.6 | |
| 7/4 13:40 | 35.3 | ↑2.9 | |
| 7/4 13:50 | 38.5 | ↑3.2 | |
| 7/4 14:00 | 41.9 | ↑3.4 | |
| 7/4 14:10 | 45.6 | ↑3.7 | |
| 7/4 14:20 | 49.4 | ↑3.8 | |
| 7/4 14:30 | 53.4 | ↑4.0 | |
| 7/4 14:40 | 57.6 | ↑4.2 | |
| 7/4 14:50 | 61.9 | ↑4.3 | |
| 7/4 15:00 | 66.2 | ↑4.3 | |
| 7/4 15:10 | 70.6 | ↑4.4 | |
| 7/4 15:20 | 75.1 | ↑4.5 | 最大潮位差 |
| 7/4 15:30 | 79.5 | ↑4.4 | |
| 7/4 15:40 | 83.9 | ↑4.4 | |
| 7/4 15:50 | 88.2 | ↑4.3 | |
| 7/4 16:00 | 92.4 | ↑4.2 | |
| 7/4 16:10 | 96.5 | ↑4.1 | |
| 7/4 16:20 | 100.5 | ↑4.0 | |
| 7/4 16:30 | 104.3 | ↑3.8 | |
| 7/4 16:40 | 107.9 | ↑3.6 | |
| 7/4 16:50 | 111.4 | ↑3.5 | |
| 7/4 17:00 | 114.6 | ↑3.2 | |
| 7/4 17:10 | 117.6 | ↑3.0 | |
| 7/4 17:20 | 120.3 | ↑2.7 | |
| 7/4 17:30 | 122.9 | ↑2.6 | |
| 7/4 17:40 | 125.1 | ↑2.2 | |
| 7/4 17:50 | 127.1 | ↑2.0 | |
| 7/4 18:00 | 128.8 | ↑1.7 | |
| 7/4 18:10 | 130.3 | ↑1.5 | |
| 7/4 18:20 | 131.4 | ↑1.1 | |
| 7/4 18:30 | 132.3 | ↑0.9 | |
| 7/4 18:40 | 132.9 | ↑0.6 | |
| 7/4 18:50 | 133.2 | ↑0.3 | 満潮 |
| 7/4 19:00 | 133.3 | ↑0.1 | |
| 7/4 19:10 | 133.0 | ↓-0.3 | |
| 7/4 19:20 | 132.5 | ↓-0.5 | |
| 7/4 19:30 | 131.8 | ↓-0.7 | |
| 7/4 19:40 | 130.7 | ↓-1.1 | |
| 7/4 19:50 | 129.5 | ↓-1.2 | |
| 7/4 20:00 | 128.0 | ↓-1.5 | |
| 7/4 20:10 | 126.3 | ↓-1.7 | |
| 7/4 20:20 | 124.4 | ↓-1.9 | |
| 7/4 20:30 | 122.3 | ↓-2.1 | |
| 7/4 20:40 | 120.2 | ↓-2.1 | |
| 7/4 20:50 | 117.8 | ↓-2.4 | |
| 7/4 21:00 | 115.4 | ↓-2.4 | |
| 7/4 21:10 | 113.0 | ↓-2.4 | |
| 7/4 21:20 | 110.5 | ↓-2.5 | |
| 7/4 21:30 | 107.9 | ↓-2.6 | |
| 7/4 21:40 | 105.4 | ↓-2.5 | |
| 7/4 21:50 | 103.0 | ↓-2.4 | |
| 7/4 22:00 | 100.5 | ↓-2.5 | |
| 7/4 22:10 | 98.2 | ↓-2.3 | |
| 7/4 22:20 | 96.0 | ↓-2.2 | |
| 7/4 22:30 | 93.8 | ↓-2.2 | |
| 7/4 22:40 | 91.8 | ↓-2.0 | |
| 7/4 22:50 | 90.0 | ↓-1.8 | |
| 7/4 23:00 | 88.3 | ↓-1.7 | |
| 7/4 23:10 | 86.8 | ↓-1.5 | |
| 7/4 23:20 | 85.5 | ↓-1.3 | |
| 7/4 23:30 | 84.3 | ↓-1.2 | |
| 7/4 23:40 | 83.4 | ↓-0.9 | |
| 7/4 23:50 | 82.6 | ↓-0.8 |