| 満潮 | 干潮 | 満潮 | 干潮 |
|
12
(月) |
06:14 | 01:01 | 21:04 | 13:42 |
| 125cm | 81cm | 110cm | 12cm | |
|
||||
日立（茨城）2031年05月12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 |
|---|---|---|---|
| 5/12 00:00 | 84.0 | ↓-1.1 | |
| 5/12 00:10 | 83.1 | ↓-0.9 | |
| 5/12 00:20 | 82.4 | ↓-0.7 | |
| 5/12 00:30 | 81.8 | ↓-0.6 | |
| 5/12 00:40 | 81.3 | ↓-0.5 | |
| 5/12 00:50 | 81.1 | ↓-0.2 | |
| 5/12 01:00 | 81.0 | ↓-0.1 | 干潮 |
| 5/12 01:10 | 81.1 | ↑0.1 | |
| 5/12 01:20 | 81.4 | ↑0.3 | |
| 5/12 01:30 | 81.8 | ↑0.4 | |
| 5/12 01:40 | 82.5 | ↑0.7 | |
| 5/12 01:50 | 83.4 | ↑0.9 | |
| 5/12 02:00 | 84.4 | ↑1.0 | |
| 5/12 02:10 | 85.6 | ↑1.2 | |
| 5/12 02:20 | 87.0 | ↑1.4 | |
| 5/12 02:30 | 88.6 | ↑1.6 | |
| 5/12 02:40 | 90.3 | ↑1.7 | |
| 5/12 02:50 | 92.1 | ↑1.8 | |
| 5/12 03:00 | 94.1 | ↑2.0 | |
| 5/12 03:10 | 96.1 | ↑2.0 | |
| 5/12 03:20 | 98.3 | ↑2.2 | |
| 5/12 03:30 | 100.5 | ↑2.2 | |
| 5/12 03:40 | 102.7 | ↑2.2 | |
| 5/12 03:50 | 104.9 | ↑2.2 | |
| 5/12 04:00 | 107.2 | ↑2.3 | |
| 5/12 04:10 | 109.3 | ↑2.1 | |
| 5/12 04:20 | 111.5 | ↑2.2 | |
| 5/12 04:30 | 113.5 | ↑2.0 | |
| 5/12 04:40 | 115.4 | ↑1.9 | |
| 5/12 04:50 | 117.2 | ↑1.8 | |
| 5/12 05:00 | 118.8 | ↑1.6 | |
| 5/12 05:10 | 120.3 | ↑1.5 | |
| 5/12 05:20 | 121.6 | ↑1.3 | |
| 5/12 05:30 | 122.7 | ↑1.1 | |
| 5/12 05:40 | 123.6 | ↑0.9 | |
| 5/12 05:50 | 124.3 | ↑0.7 | |
| 5/12 06:00 | 124.7 | ↑0.4 | |
| 5/12 06:10 | 124.9 | ↑0.2 | 満潮 |
| 5/12 06:20 | 124.9 | 0 | |
| 5/12 06:30 | 124.6 | ↓-0.3 | |
| 5/12 06:40 | 124.0 | ↓-0.6 | |
| 5/12 06:50 | 123.2 | ↓-0.8 | |
| 5/12 07:00 | 122.2 | ↓-1.0 | |
| 5/12 07:10 | 120.9 | ↓-1.3 | |
| 5/12 07:20 | 119.3 | ↓-1.6 | |
| 5/12 07:30 | 117.5 | ↓-1.8 | |
| 5/12 07:40 | 115.4 | ↓-2.1 | |
| 5/12 07:50 | 113.1 | ↓-2.3 | |
| 5/12 08:00 | 110.6 | ↓-2.5 | |
| 5/12 08:10 | 107.9 | ↓-2.7 | |
| 5/12 08:20 | 104.9 | ↓-3.0 | |
| 5/12 08:30 | 101.7 | ↓-3.2 | |
| 5/12 08:40 | 98.4 | ↓-3.3 | |
| 5/12 08:50 | 94.9 | ↓-3.5 | |
| 5/12 09:00 | 91.2 | ↓-3.7 | |
| 5/12 09:10 | 87.4 | ↓-3.8 | |
| 5/12 09:20 | 83.5 | ↓-3.9 | |
| 5/12 09:30 | 79.5 | ↓-4.0 | |
| 5/12 09:40 | 75.5 | ↓-4.0 | |
| 5/12 09:50 | 71.4 | ↓-4.1 | 最大潮位差 |
| 5/12 10:00 | 67.3 | ↓-4.1 | 最大潮位差 |
| 5/12 10:10 | 63.2 | ↓-4.1 | 最大潮位差 |
| 5/12 10:20 | 59.1 | ↓-4.1 | 最大潮位差 |
| 5/12 10:30 | 55.1 | ↓-4.0 | |
| 5/12 10:40 | 51.1 | ↓-4.0 | |
| 5/12 10:50 | 47.3 | ↓-3.8 | |
| 5/12 11:00 | 43.6 | ↓-3.7 | |
| 5/12 11:10 | 40.0 | ↓-3.6 | |
| 5/12 11:20 | 36.5 | ↓-3.5 | |
| 5/12 11:30 | 33.3 | ↓-3.2 | |
| 5/12 11:40 | 30.2 | ↓-3.1 | |
| 5/12 11:50 | 27.3 | ↓-2.9 | |
| 5/12 12:00 | 24.6 | ↓-2.7 | |
| 5/12 12:10 | 22.1 | ↓-2.5 | |
| 5/12 12:20 | 19.9 | ↓-2.2 | |
| 5/12 12:30 | 17.9 | ↓-2.0 | |
| 5/12 12:40 | 16.2 | ↓-1.7 | |
| 5/12 12:50 | 14.6 | ↓-1.6 | |
| 5/12 13:00 | 13.4 | ↓-1.2 | |
| 5/12 13:10 | 12.4 | ↓-1.0 | |
| 5/12 13:20 | 11.7 | ↓-0.7 | |
| 5/12 13:30 | 11.3 | ↓-0.4 | |
| 5/12 13:40 | 11.1 | ↓-0.2 | 干潮 |
| 5/12 13:50 | 11.2 | ↑0.1 | |
| 5/12 14:00 | 11.6 | ↑0.4 | |
| 5/12 14:10 | 12.3 | ↑0.7 | |
| 5/12 14:20 | 13.2 | ↑0.9 | |
| 5/12 14:30 | 14.4 | ↑1.2 | |
| 5/12 14:40 | 15.9 | ↑1.5 | |
| 5/12 14:50 | 17.7 | ↑1.8 | |
| 5/12 15:00 | 19.6 | ↑1.9 | |
| 5/12 15:10 | 21.8 | ↑2.2 | |
| 5/12 15:20 | 24.3 | ↑2.5 | |
| 5/12 15:30 | 26.9 | ↑2.6 | |
| 5/12 15:40 | 29.7 | ↑2.8 | |
| 5/12 15:50 | 32.7 | ↑3.0 | |
| 5/12 16:00 | 35.8 | ↑3.1 | |
| 5/12 16:10 | 39.1 | ↑3.3 | |
| 5/12 16:20 | 42.4 | ↑3.3 | |
| 5/12 16:30 | 45.8 | ↑3.4 | |
| 5/12 16:40 | 49.3 | ↑3.5 | |
| 5/12 16:50 | 52.9 | ↑3.6 | |
| 5/12 17:00 | 56.4 | ↑3.5 | |
| 5/12 17:10 | 60.0 | ↑3.6 | |
| 5/12 17:20 | 63.5 | ↑3.5 | |
| 5/12 17:30 | 67.0 | ↑3.5 | |
| 5/12 17:40 | 70.5 | ↑3.5 | |
| 5/12 17:50 | 73.9 | ↑3.4 | |
| 5/12 18:00 | 77.2 | ↑3.3 | |
| 5/12 18:10 | 80.4 | ↑3.2 | |
| 5/12 18:20 | 83.5 | ↑3.1 | |
| 5/12 18:30 | 86.4 | ↑2.9 | |
| 5/12 18:40 | 89.3 | ↑2.9 | |
| 5/12 18:50 | 92.0 | ↑2.7 | |
| 5/12 19:00 | 94.5 | ↑2.5 | |
| 5/12 19:10 | 96.8 | ↑2.3 | |
| 5/12 19:20 | 99.0 | ↑2.2 | |
| 5/12 19:30 | 101.0 | ↑2.0 | |
| 5/12 19:40 | 102.8 | ↑1.8 | |
| 5/12 19:50 | 104.5 | ↑1.7 | |
| 5/12 20:00 | 105.9 | ↑1.4 | |
| 5/12 20:10 | 107.1 | ↑1.2 | |
| 5/12 20:20 | 108.1 | ↑1.0 | |
| 5/12 20:30 | 108.8 | ↑0.7 | |
| 5/12 20:40 | 109.4 | ↑0.6 | |
| 5/12 20:50 | 109.8 | ↑0.4 | |
| 5/12 21:00 | 109.9 | ↑0.1 | 満潮 |
| 5/12 21:10 | 109.9 | 0 | |
| 5/12 21:20 | 109.6 | ↓-0.3 | |
| 5/12 21:30 | 109.2 | ↓-0.4 | |
| 5/12 21:40 | 108.6 | ↓-0.6 | |
| 5/12 21:50 | 107.9 | ↓-0.7 | |
| 5/12 22:00 | 107.0 | ↓-0.9 | |
| 5/12 22:10 | 106.0 | ↓-1.0 | |
| 5/12 22:20 | 104.8 | ↓-1.2 | |
| 5/12 22:30 | 103.6 | ↓-1.2 | |
| 5/12 22:40 | 102.3 | ↓-1.3 | |
| 5/12 22:50 | 100.9 | ↓-1.4 | |
| 5/12 23:00 | 99.5 | ↓-1.4 | |
| 5/12 23:10 | 98.0 | ↓-1.5 | |
| 5/12 23:20 | 96.5 | ↓-1.5 | |
| 5/12 23:30 | 95.0 | ↓-1.5 | |
| 5/12 23:40 | 93.6 | ↓-1.4 | |
| 5/12 23:50 | 92.1 | ↓-1.5 |