| 満潮 | 干潮 | 満潮 | 干潮 |
|
7
(月) |
03:34 | 09:53 | 16:14 | 22:06 |
| 119cm | 21cm | 122cm | 40cm | |
|
||||
日立（茨城）2031年04月7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 |
|---|---|---|---|
| 4/7 00:00 | 64.9 | ↑3.5 | |
| 4/7 00:10 | 68.6 | ↑3.7 | |
| 4/7 00:20 | 72.3 | ↑3.7 | |
| 4/7 00:30 | 76.0 | ↑3.7 | |
| 4/7 00:40 | 79.7 | ↑3.7 | |
| 4/7 00:50 | 83.4 | ↑3.7 | |
| 4/7 01:00 | 87.1 | ↑3.7 | |
| 4/7 01:10 | 90.6 | ↑3.5 | |
| 4/7 01:20 | 94.0 | ↑3.4 | |
| 4/7 01:30 | 97.3 | ↑3.3 | |
| 4/7 01:40 | 100.4 | ↑3.1 | |
| 4/7 01:50 | 103.3 | ↑2.9 | |
| 4/7 02:00 | 106.0 | ↑2.7 | |
| 4/7 02:10 | 108.4 | ↑2.4 | |
| 4/7 02:20 | 110.6 | ↑2.2 | |
| 4/7 02:30 | 112.6 | ↑2.0 | |
| 4/7 02:40 | 114.3 | ↑1.7 | |
| 4/7 02:50 | 115.7 | ↑1.4 | |
| 4/7 03:00 | 116.9 | ↑1.2 | |
| 4/7 03:10 | 117.7 | ↑0.8 | |
| 4/7 03:20 | 118.2 | ↑0.5 | |
| 4/7 03:30 | 118.5 | ↑0.3 | 満潮 |
| 4/7 03:40 | 118.4 | ↓-0.1 | |
| 4/7 03:50 | 118.0 | ↓-0.4 | |
| 4/7 04:00 | 117.4 | ↓-0.6 | |
| 4/7 04:10 | 116.4 | ↓-1.0 | |
| 4/7 04:20 | 115.0 | ↓-1.4 | |
| 4/7 04:30 | 113.4 | ↓-1.6 | |
| 4/7 04:40 | 111.5 | ↓-1.9 | |
| 4/7 04:50 | 109.3 | ↓-2.2 | |
| 4/7 05:00 | 106.8 | ↓-2.5 | |
| 4/7 05:10 | 104.0 | ↓-2.8 | |
| 4/7 05:20 | 101.0 | ↓-3.0 | |
| 4/7 05:30 | 97.7 | ↓-3.3 | |
| 4/7 05:40 | 94.2 | ↓-3.5 | |
| 4/7 05:50 | 90.6 | ↓-3.6 | |
| 4/7 06:00 | 86.8 | ↓-3.8 | |
| 4/7 06:10 | 82.8 | ↓-4.0 | |
| 4/7 06:20 | 78.8 | ↓-4.0 | |
| 4/7 06:30 | 74.7 | ↓-4.1 | |
| 4/7 06:40 | 70.5 | ↓-4.2 | |
| 4/7 06:50 | 66.4 | ↓-4.1 | |
| 4/7 07:00 | 62.3 | ↓-4.1 | |
| 4/7 07:10 | 58.2 | ↓-4.1 | |
| 4/7 07:20 | 54.3 | ↓-3.9 | |
| 4/7 07:30 | 50.5 | ↓-3.8 | |
| 4/7 07:40 | 46.8 | ↓-3.7 | |
| 4/7 07:50 | 43.3 | ↓-3.5 | |
| 4/7 08:00 | 40.0 | ↓-3.3 | |
| 4/7 08:10 | 36.9 | ↓-3.1 | |
| 4/7 08:20 | 34.1 | ↓-2.8 | |
| 4/7 08:30 | 31.5 | ↓-2.6 | |
| 4/7 08:40 | 29.1 | ↓-2.4 | |
| 4/7 08:50 | 27.1 | ↓-2.0 | |
| 4/7 09:00 | 25.3 | ↓-1.8 | |
| 4/7 09:10 | 23.8 | ↓-1.5 | |
| 4/7 09:20 | 22.6 | ↓-1.2 | |
| 4/7 09:30 | 21.8 | ↓-0.8 | |
| 4/7 09:40 | 21.2 | ↓-0.6 | |
| 4/7 09:50 | 21.0 | ↓-0.2 | 干潮 |
| 4/7 10:00 | 21.1 | ↑0.1 | |
| 4/7 10:10 | 21.5 | ↑0.4 | |
| 4/7 10:20 | 22.3 | ↑0.8 | |
| 4/7 10:30 | 23.4 | ↑1.1 | |
| 4/7 10:40 | 24.8 | ↑1.4 | |
| 4/7 10:50 | 26.5 | ↑1.7 | |
| 4/7 11:00 | 28.6 | ↑2.1 | |
| 4/7 11:10 | 30.9 | ↑2.3 | |
| 4/7 11:20 | 33.6 | ↑2.7 | |
| 4/7 11:30 | 36.5 | ↑2.9 | |
| 4/7 11:40 | 39.7 | ↑3.2 | |
| 4/7 11:50 | 43.1 | ↑3.4 | |
| 4/7 12:00 | 46.7 | ↑3.6 | |
| 4/7 12:10 | 50.5 | ↑3.8 | |
| 4/7 12:20 | 54.5 | ↑4.0 | |
| 4/7 12:30 | 58.5 | ↑4.0 | |
| 4/7 12:40 | 62.7 | ↑4.2 | |
| 4/7 12:50 | 66.9 | ↑4.2 | |
| 4/7 13:00 | 71.2 | ↑4.3 | 最大潮位差 |
| 4/7 13:10 | 75.4 | ↑4.2 | |
| 4/7 13:20 | 79.6 | ↑4.2 | |
| 4/7 13:30 | 83.7 | ↑4.1 | |
| 4/7 13:40 | 87.7 | ↑4.0 | |
| 4/7 13:50 | 91.6 | ↑3.9 | |
| 4/7 14:00 | 95.3 | ↑3.7 | |
| 4/7 14:10 | 98.8 | ↑3.5 | |
| 4/7 14:20 | 102.2 | ↑3.4 | |
| 4/7 14:30 | 105.3 | ↑3.1 | |
| 4/7 14:40 | 108.2 | ↑2.9 | |
| 4/7 14:50 | 110.8 | ↑2.6 | |
| 4/7 15:00 | 113.2 | ↑2.4 | |
| 4/7 15:10 | 115.3 | ↑2.1 | |
| 4/7 15:20 | 117.1 | ↑1.8 | |
| 4/7 15:30 | 118.7 | ↑1.6 | |
| 4/7 15:40 | 119.9 | ↑1.2 | |
| 4/7 15:50 | 120.8 | ↑0.9 | |
| 4/7 16:00 | 121.4 | ↑0.6 | |
| 4/7 16:10 | 121.7 | ↑0.3 | 満潮 |
| 4/7 16:20 | 121.6 | ↓-0.1 | |
| 4/7 16:30 | 121.2 | ↓-0.4 | |
| 4/7 16:40 | 120.5 | ↓-0.7 | |
| 4/7 16:50 | 119.5 | ↓-1.0 | |
| 4/7 17:00 | 118.1 | ↓-1.4 | |
| 4/7 17:10 | 116.5 | ↓-1.6 | |
| 4/7 17:20 | 114.5 | ↓-2.0 | |
| 4/7 17:30 | 112.3 | ↓-2.2 | |
| 4/7 17:40 | 109.8 | ↓-2.5 | |
| 4/7 17:50 | 107.0 | ↓-2.8 | |
| 4/7 18:00 | 104.0 | ↓-3.0 | |
| 4/7 18:10 | 100.8 | ↓-3.2 | |
| 4/7 18:20 | 97.4 | ↓-3.4 | |
| 4/7 18:30 | 93.9 | ↓-3.5 | |
| 4/7 18:40 | 90.3 | ↓-3.6 | |
| 4/7 18:50 | 86.6 | ↓-3.7 | |
| 4/7 19:00 | 82.8 | ↓-3.8 | |
| 4/7 19:10 | 79.1 | ↓-3.7 | |
| 4/7 19:20 | 75.3 | ↓-3.8 | |
| 4/7 19:30 | 71.7 | ↓-3.6 | |
| 4/7 19:40 | 68.1 | ↓-3.6 | |
| 4/7 19:50 | 64.6 | ↓-3.5 | |
| 4/7 20:00 | 61.2 | ↓-3.4 | |
| 4/7 20:10 | 58.1 | ↓-3.1 | |
| 4/7 20:20 | 55.1 | ↓-3.0 | |
| 4/7 20:30 | 52.3 | ↓-2.8 | |
| 4/7 20:40 | 49.8 | ↓-2.5 | |
| 4/7 20:50 | 47.5 | ↓-2.3 | |
| 4/7 21:00 | 45.4 | ↓-2.1 | |
| 4/7 21:10 | 43.7 | ↓-1.7 | |
| 4/7 21:20 | 42.2 | ↓-1.5 | |
| 4/7 21:30 | 41.0 | ↓-1.2 | |
| 4/7 21:40 | 40.1 | ↓-0.9 | |
| 4/7 21:50 | 39.5 | ↓-0.6 | |
| 4/7 22:00 | 39.2 | ↓-0.3 | 干潮 |
| 4/7 22:10 | 39.2 | 0 | |
| 4/7 22:20 | 39.5 | ↑0.3 | |
| 4/7 22:30 | 40.1 | ↑0.6 | |
| 4/7 22:40 | 41.1 | ↑1.0 | |
| 4/7 22:50 | 42.3 | ↑1.2 | |
| 4/7 23:00 | 43.9 | ↑1.6 | |
| 4/7 23:10 | 45.8 | ↑1.9 | |
| 4/7 23:20 | 47.9 | ↑2.1 | |
| 4/7 23:30 | 50.4 | ↑2.5 | |
| 4/7 23:40 | 53.0 | ↑2.6 | |
| 4/7 23:50 | 56.0 | ↑3.0 |