| 満潮 | 干潮 | 満潮 | 干潮 |
|
21
(日) |
04:59 | 12:11 | 19:12 | - |
| 136cm | -3cm | 123cm | - | |
|
||||
大洗（茨城）2034年05月21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 |
|---|---|---|---|
| 5/21 00:00 | 78.1 | ↑0.5 | |
| 5/21 00:10 | 78.9 | ↑0.8 | |
| 5/21 00:20 | 79.9 | ↑1.0 | |
| 5/21 00:30 | 81.1 | ↑1.2 | |
| 5/21 00:40 | 82.6 | ↑1.5 | |
| 5/21 00:50 | 84.2 | ↑1.6 | |
| 5/21 01:00 | 86.1 | ↑1.9 | |
| 5/21 01:10 | 88.2 | ↑2.1 | |
| 5/21 01:20 | 90.4 | ↑2.2 | |
| 5/21 01:30 | 92.8 | ↑2.4 | |
| 5/21 01:40 | 95.3 | ↑2.5 | |
| 5/21 01:50 | 98.0 | ↑2.7 | |
| 5/21 02:00 | 100.7 | ↑2.7 | |
| 5/21 02:10 | 103.5 | ↑2.8 | |
| 5/21 02:20 | 106.3 | ↑2.8 | |
| 5/21 02:30 | 109.1 | ↑2.8 | |
| 5/21 02:40 | 112.0 | ↑2.9 | |
| 5/21 02:50 | 114.7 | ↑2.7 | |
| 5/21 03:00 | 117.4 | ↑2.7 | |
| 5/21 03:10 | 120.0 | ↑2.6 | |
| 5/21 03:20 | 122.4 | ↑2.4 | |
| 5/21 03:30 | 124.7 | ↑2.3 | |
| 5/21 03:40 | 126.9 | ↑2.2 | |
| 5/21 03:50 | 128.8 | ↑1.9 | |
| 5/21 04:00 | 130.5 | ↑1.7 | |
| 5/21 04:10 | 132.0 | ↑1.5 | |
| 5/21 04:20 | 133.2 | ↑1.2 | |
| 5/21 04:30 | 134.2 | ↑1.0 | |
| 5/21 04:40 | 134.9 | ↑0.7 | |
| 5/21 04:50 | 135.3 | ↑0.4 | 満潮 |
| 5/21 05:00 | 135.4 | ↑0.1 | |
| 5/21 05:10 | 135.2 | ↓-0.2 | |
| 5/21 05:20 | 134.7 | ↓-0.5 | |
| 5/21 05:30 | 133.8 | ↓-0.9 | |
| 5/21 05:40 | 132.7 | ↓-1.1 | |
| 5/21 05:50 | 131.2 | ↓-1.5 | |
| 5/21 06:00 | 129.4 | ↓-1.8 | |
| 5/21 06:10 | 127.3 | ↓-2.1 | |
| 5/21 06:20 | 124.9 | ↓-2.4 | |
| 5/21 06:30 | 122.1 | ↓-2.8 | |
| 5/21 06:40 | 119.1 | ↓-3.0 | |
| 5/21 06:50 | 115.8 | ↓-3.3 | |
| 5/21 07:00 | 112.2 | ↓-3.6 | |
| 5/21 07:10 | 108.4 | ↓-3.8 | |
| 5/21 07:20 | 104.3 | ↓-4.1 | |
| 5/21 07:30 | 100.0 | ↓-4.3 | |
| 5/21 07:40 | 95.5 | ↓-4.5 | |
| 5/21 07:50 | 90.8 | ↓-4.7 | |
| 5/21 08:00 | 86.0 | ↓-4.8 | |
| 5/21 08:10 | 81.1 | ↓-4.9 | |
| 5/21 08:20 | 76.1 | ↓-5.0 | |
| 5/21 08:30 | 71.0 | ↓-5.1 | |
| 5/21 08:40 | 65.8 | ↓-5.2 | 最大潮位差 |
| 5/21 08:50 | 60.7 | ↓-5.1 | |
| 5/21 09:00 | 55.6 | ↓-5.1 | |
| 5/21 09:10 | 50.6 | ↓-5.0 | |
| 5/21 09:20 | 45.6 | ↓-5.0 | |
| 5/21 09:30 | 40.7 | ↓-4.9 | |
| 5/21 09:40 | 36.0 | ↓-4.7 | |
| 5/21 09:50 | 31.5 | ↓-4.5 | |
| 5/21 10:00 | 27.1 | ↓-4.4 | |
| 5/21 10:10 | 23.0 | ↓-4.1 | |
| 5/21 10:20 | 19.1 | ↓-3.9 | |
| 5/21 10:30 | 15.4 | ↓-3.7 | |
| 5/21 10:40 | 12.0 | ↓-3.4 | |
| 5/21 10:50 | 9.0 | ↓-3.0 | |
| 5/21 11:00 | 6.2 | ↓-2.8 | |
| 5/21 11:10 | 3.8 | ↓-2.4 | |
| 5/21 11:20 | 1.8 | ↓-2.0 | |
| 5/21 11:30 | 0.0 | ↓-1.8 | |
| 5/21 11:40 | -1.3 | 0 | |
| 5/21 11:50 | -2.3 | ↓-1.0 | |
| 5/21 12:00 | -2.9 | ↓-0.6 | |
| 5/21 12:10 | -3.0 | ↓-0.1 | 干潮 |
| 5/21 12:20 | -2.8 | ↑0.2 | |
| 5/21 12:30 | -2.3 | ↑0.5 | |
| 5/21 12:40 | -1.3 | ↑1.0 | |
| 5/21 12:50 | 0.1 | ↑1.4 | |
| 5/21 13:00 | 1.8 | ↑1.7 | |
| 5/21 13:10 | 3.9 | ↑2.1 | |
| 5/21 13:20 | 6.3 | ↑2.4 | |
| 5/21 13:30 | 9.1 | ↑2.8 | |
| 5/21 13:40 | 12.2 | ↑3.1 | |
| 5/21 13:50 | 15.5 | ↑3.3 | |
| 5/21 14:00 | 19.2 | ↑3.7 | |
| 5/21 14:10 | 23.1 | ↑3.9 | |
| 5/21 14:20 | 27.2 | ↑4.1 | |
| 5/21 14:30 | 31.5 | ↑4.3 | |
| 5/21 14:40 | 35.9 | ↑4.4 | |
| 5/21 14:50 | 40.5 | ↑4.6 | |
| 5/21 15:00 | 45.2 | ↑4.7 | |
| 5/21 15:10 | 49.9 | ↑4.7 | |
| 5/21 15:20 | 54.7 | ↑4.8 | |
| 5/21 15:30 | 59.5 | ↑4.8 | |
| 5/21 15:40 | 64.3 | ↑4.8 | |
| 5/21 15:50 | 69.0 | ↑4.7 | |
| 5/21 16:00 | 73.6 | ↑4.6 | |
| 5/21 16:10 | 78.1 | ↑4.5 | |
| 5/21 16:20 | 82.5 | ↑4.4 | |
| 5/21 16:30 | 86.8 | ↑4.3 | |
| 5/21 16:40 | 90.9 | ↑4.1 | |
| 5/21 16:50 | 94.8 | ↑3.9 | |
| 5/21 17:00 | 98.4 | ↑3.6 | |
| 5/21 17:10 | 101.9 | ↑3.5 | |
| 5/21 17:20 | 105.1 | ↑3.2 | |
| 5/21 17:30 | 108.1 | ↑3.0 | |
| 5/21 17:40 | 110.8 | ↑2.7 | |
| 5/21 17:50 | 113.2 | ↑2.4 | |
| 5/21 18:00 | 115.4 | ↑2.2 | |
| 5/21 18:10 | 117.3 | ↑1.9 | |
| 5/21 18:20 | 118.9 | ↑1.6 | |
| 5/21 18:30 | 120.2 | ↑1.3 | |
| 5/21 18:40 | 121.2 | ↑1.0 | |
| 5/21 18:50 | 122.0 | ↑0.8 | |
| 5/21 19:00 | 122.4 | ↑0.4 | |
| 5/21 19:10 | 122.6 | ↑0.2 | 満潮 |
| 5/21 19:20 | 122.5 | ↓-0.1 | |
| 5/21 19:30 | 122.1 | ↓-0.4 | |
| 5/21 19:40 | 121.5 | ↓-0.6 | |
| 5/21 19:50 | 120.7 | ↓-0.8 | |
| 5/21 20:00 | 119.6 | ↓-1.1 | |
| 5/21 20:10 | 118.4 | ↓-1.2 | |
| 5/21 20:20 | 117.0 | ↓-1.4 | |
| 5/21 20:30 | 115.4 | ↓-1.6 | |
| 5/21 20:40 | 113.6 | ↓-1.8 | |
| 5/21 20:50 | 111.8 | ↓-1.8 | |
| 5/21 21:00 | 109.8 | ↓-2.0 | |
| 5/21 21:10 | 107.8 | ↓-2.0 | |
| 5/21 21:20 | 105.7 | ↓-2.1 | |
| 5/21 21:30 | 103.6 | ↓-2.1 | |
| 5/21 21:40 | 101.5 | ↓-2.1 | |
| 5/21 21:50 | 99.4 | ↓-2.1 | |
| 5/21 22:00 | 97.3 | ↓-2.1 | |
| 5/21 22:10 | 95.3 | ↓-2.0 | |
| 5/21 22:20 | 93.3 | ↓-2.0 | |
| 5/21 22:30 | 91.5 | ↓-1.8 | |
| 5/21 22:40 | 89.7 | ↓-1.8 | |
| 5/21 22:50 | 88.1 | ↓-1.6 | |
| 5/21 23:00 | 86.6 | ↓-1.5 | |
| 5/21 23:10 | 85.2 | ↓-1.4 | |
| 5/21 23:20 | 84.0 | ↓-1.2 | |
| 5/21 23:30 | 83.0 | ↓-1.0 | |
| 5/21 23:40 | 82.2 | ↓-0.8 | |
| 5/21 23:50 | 81.5 | ↓-0.7 |