| 満潮 | 干潮 | 満潮 | 干潮 |
|
20
(木) |
03:51 | 10:59 | 18:02 | 23:03 |
| 138cm | -9cm | 127cm | 77cm | |
|
||||
日立（茨城）2038年05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 |
|---|---|---|---|
| 5/20 00:00 | 82.6 | ↑2.4 | |
| 5/20 00:10 | 85.2 | ↑2.6 | |
| 5/20 00:20 | 88.0 | ↑2.8 | |
| 5/20 00:30 | 90.9 | ↑2.9 | |
| 5/20 00:40 | 94.0 | ↑3.1 | |
| 5/20 00:50 | 97.2 | ↑3.2 | |
| 5/20 01:00 | 100.4 | ↑3.2 | |
| 5/20 01:10 | 103.7 | ↑3.3 | |
| 5/20 01:20 | 107.0 | ↑3.3 | |
| 5/20 01:30 | 110.3 | ↑3.3 | |
| 5/20 01:40 | 113.5 | ↑3.2 | |
| 5/20 01:50 | 116.6 | ↑3.1 | |
| 5/20 02:00 | 119.7 | ↑3.1 | |
| 5/20 02:10 | 122.5 | ↑2.8 | |
| 5/20 02:20 | 125.2 | ↑2.7 | |
| 5/20 02:30 | 127.7 | ↑2.5 | |
| 5/20 02:40 | 129.9 | ↑2.2 | |
| 5/20 02:50 | 131.9 | ↑2.0 | |
| 5/20 03:00 | 133.6 | ↑1.7 | |
| 5/20 03:10 | 135.1 | ↑1.5 | |
| 5/20 03:20 | 136.2 | ↑1.1 | |
| 5/20 03:30 | 137.0 | ↑0.8 | |
| 5/20 03:40 | 137.5 | ↑0.5 | |
| 5/20 03:50 | 137.7 | ↑0.2 | 満潮 |
| 5/20 04:00 | 137.5 | ↓-0.2 | |
| 5/20 04:10 | 137.0 | ↓-0.5 | |
| 5/20 04:20 | 136.2 | ↓-0.8 | |
| 5/20 04:30 | 135.0 | ↓-1.2 | |
| 5/20 04:40 | 133.5 | ↓-1.5 | |
| 5/20 04:50 | 131.6 | ↓-1.9 | |
| 5/20 05:00 | 129.4 | ↓-2.2 | |
| 5/20 05:10 | 126.8 | ↓-2.6 | |
| 5/20 05:20 | 123.9 | ↓-2.9 | |
| 5/20 05:30 | 120.6 | ↓-3.3 | |
| 5/20 05:40 | 117.1 | ↓-3.5 | |
| 5/20 05:50 | 113.2 | ↓-3.9 | |
| 5/20 06:00 | 109.1 | ↓-4.1 | |
| 5/20 06:10 | 104.7 | ↓-4.4 | |
| 5/20 06:20 | 100.0 | ↓-4.7 | |
| 5/20 06:30 | 95.1 | ↓-4.9 | |
| 5/20 06:40 | 90.0 | ↓-5.1 | |
| 5/20 06:50 | 84.8 | ↓-5.2 | |
| 5/20 07:00 | 79.4 | ↓-5.4 | |
| 5/20 07:10 | 73.9 | ↓-5.5 | |
| 5/20 07:20 | 68.4 | ↓-5.5 | |
| 5/20 07:30 | 62.8 | ↓-5.6 | 最大潮位差 |
| 5/20 07:40 | 57.2 | ↓-5.6 | 最大潮位差 |
| 5/20 07:50 | 51.7 | ↓-5.5 | |
| 5/20 08:00 | 46.3 | ↓-5.4 | |
| 5/20 08:10 | 40.9 | ↓-5.4 | |
| 5/20 08:20 | 35.7 | ↓-5.2 | |
| 5/20 08:30 | 30.7 | ↓-5.0 | |
| 5/20 08:40 | 25.9 | ↓-4.8 | |
| 5/20 08:50 | 21.4 | ↓-4.5 | |
| 5/20 09:00 | 17.0 | ↓-4.4 | |
| 5/20 09:10 | 13.0 | ↓-4.0 | |
| 5/20 09:20 | 9.2 | ↓-3.8 | |
| 5/20 09:30 | 5.8 | ↓-3.4 | |
| 5/20 09:40 | 2.7 | ↓-3.1 | |
| 5/20 09:50 | -0.1 | ↓-2.8 | |
| 5/20 10:00 | -2.5 | ↓-2.4 | |
| 5/20 10:10 | -4.6 | ↓-2.1 | |
| 5/20 10:20 | -6.2 | ↓-1.6 | |
| 5/20 10:30 | -7.5 | ↓-1.3 | |
| 5/20 10:40 | -8.5 | ↓-1.0 | |
| 5/20 10:50 | -9.0 | ↓-0.5 | 干潮 |
| 5/20 11:00 | -9.1 | ↓-0.1 | |
| 5/20 11:10 | -8.9 | ↑0.2 | |
| 5/20 11:20 | -8.2 | ↑0.7 | |
| 5/20 11:30 | -7.1 | ↑1.1 | |
| 5/20 11:40 | -5.7 | ↑1.4 | |
| 5/20 11:50 | -3.8 | ↑1.9 | |
| 5/20 12:00 | -1.6 | ↑2.2 | |
| 5/20 12:10 | 1.0 | ↑2.6 | |
| 5/20 12:20 | 4.0 | ↑3.0 | |
| 5/20 12:30 | 7.3 | ↑3.3 | |
| 5/20 12:40 | 10.9 | ↑3.6 | |
| 5/20 12:50 | 14.8 | ↑3.9 | |
| 5/20 13:00 | 19.0 | ↑4.2 | |
| 5/20 13:10 | 23.4 | ↑4.4 | |
| 5/20 13:20 | 28.0 | ↑4.6 | |
| 5/20 13:30 | 32.8 | ↑4.8 | |
| 5/20 13:40 | 37.7 | ↑4.9 | |
| 5/20 13:50 | 42.7 | ↑5.0 | |
| 5/20 14:00 | 47.8 | ↑5.1 | |
| 5/20 14:10 | 53.0 | ↑5.2 | |
| 5/20 14:20 | 58.1 | ↑5.1 | |
| 5/20 14:30 | 63.3 | ↑5.2 | |
| 5/20 14:40 | 68.4 | ↑5.1 | |
| 5/20 14:50 | 73.3 | ↑4.9 | |
| 5/20 15:00 | 78.2 | ↑4.9 | |
| 5/20 15:10 | 83.0 | ↑4.8 | |
| 5/20 15:20 | 87.5 | ↑4.5 | |
| 5/20 15:30 | 91.9 | ↑4.4 | |
| 5/20 15:40 | 96.1 | ↑4.2 | |
| 5/20 15:50 | 100.1 | ↑4.0 | |
| 5/20 16:00 | 103.9 | ↑3.8 | |
| 5/20 16:10 | 107.4 | ↑3.5 | |
| 5/20 16:20 | 110.6 | ↑3.2 | |
| 5/20 16:30 | 113.6 | ↑3.0 | |
| 5/20 16:40 | 116.3 | ↑2.7 | |
| 5/20 16:50 | 118.7 | ↑2.4 | |
| 5/20 17:00 | 120.8 | ↑2.1 | |
| 5/20 17:10 | 122.6 | ↑1.8 | |
| 5/20 17:20 | 124.0 | ↑1.4 | |
| 5/20 17:30 | 125.2 | ↑1.2 | |
| 5/20 17:40 | 126.0 | ↑0.8 | |
| 5/20 17:50 | 126.5 | ↑0.5 | |
| 5/20 18:00 | 126.7 | ↑0.2 | 満潮 |
| 5/20 18:10 | 126.6 | ↓-0.1 | |
| 5/20 18:20 | 126.1 | ↓-0.5 | |
| 5/20 18:30 | 125.4 | ↓-0.7 | |
| 5/20 18:40 | 124.3 | ↓-1.1 | |
| 5/20 18:50 | 123.0 | ↓-1.3 | |
| 5/20 19:00 | 121.5 | ↓-1.5 | |
| 5/20 19:10 | 119.7 | ↓-1.8 | |
| 5/20 19:20 | 117.7 | ↓-2.0 | |
| 5/20 19:30 | 115.6 | ↓-2.1 | |
| 5/20 19:40 | 113.3 | ↓-2.3 | |
| 5/20 19:50 | 110.8 | ↓-2.5 | |
| 5/20 20:00 | 108.3 | ↓-2.5 | |
| 5/20 20:10 | 105.8 | ↓-2.5 | |
| 5/20 20:20 | 103.2 | ↓-2.6 | |
| 5/20 20:30 | 100.6 | ↓-2.6 | |
| 5/20 20:40 | 98.0 | ↓-2.6 | |
| 5/20 20:50 | 95.5 | ↓-2.5 | |
| 5/20 21:00 | 93.1 | ↓-2.4 | |
| 5/20 21:10 | 90.8 | ↓-2.3 | |
| 5/20 21:20 | 88.6 | ↓-2.2 | |
| 5/20 21:30 | 86.6 | ↓-2.0 | |
| 5/20 21:40 | 84.7 | ↓-1.9 | |
| 5/20 21:50 | 83.0 | ↓-1.7 | |
| 5/20 22:00 | 81.4 | ↓-1.6 | |
| 5/20 22:10 | 80.1 | ↓-1.3 | |
| 5/20 22:20 | 79.0 | ↓-1.1 | |
| 5/20 22:30 | 78.1 | ↓-0.9 | |
| 5/20 22:40 | 77.5 | ↓-0.6 | |
| 5/20 22:50 | 77.1 | ↓-0.4 | |
| 5/20 23:00 | 76.9 | ↓-0.2 | 干潮 |
| 5/20 23:10 | 77.0 | ↑0.1 | |
| 5/20 23:20 | 77.3 | ↑0.3 | |
| 5/20 23:30 | 77.9 | ↑0.6 | |
| 5/20 23:40 | 78.7 | ↑0.8 | |
| 5/20 23:50 | 79.8 | ↑1.1 |