| 満潮 | 干潮 | 満潮 | 干潮 |
|
20
(水) |
04:47 | 12:29 | 19:58 | - |
| 138cm | -10cm | 116cm | - | |
|
||||
大洗（茨城）2026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 | 94.0 | ↑0.4 | |
| 5/20 00:10 | 94.6 | ↑0.6 | |
| 5/20 00:20 | 95.4 | ↑0.8 | |
| 5/20 00:30 | 96.4 | ↑1.0 | |
| 5/20 00:40 | 97.5 | ↑1.1 | |
| 5/20 00:50 | 98.8 | ↑1.3 | |
| 5/20 01:00 | 100.3 | ↑1.5 | |
| 5/20 01:10 | 102.0 | ↑1.7 | |
| 5/20 01:20 | 103.7 | ↑1.7 | |
| 5/20 01:30 | 105.6 | ↑1.9 | |
| 5/20 01:40 | 107.6 | ↑2.0 | |
| 5/20 01:50 | 109.7 | ↑2.1 | |
| 5/20 02:00 | 111.9 | ↑2.2 | |
| 5/20 02:10 | 114.1 | ↑2.2 | |
| 5/20 02:20 | 116.3 | ↑2.2 | |
| 5/20 02:30 | 118.6 | ↑2.3 | |
| 5/20 02:40 | 120.8 | ↑2.2 | |
| 5/20 02:50 | 123.0 | ↑2.2 | |
| 5/20 03:00 | 125.1 | ↑2.1 | |
| 5/20 03:10 | 127.1 | ↑2.0 | |
| 5/20 03:20 | 129.0 | ↑1.9 | |
| 5/20 03:30 | 130.8 | ↑1.8 | |
| 5/20 03:40 | 132.4 | ↑1.6 | |
| 5/20 03:50 | 133.8 | ↑1.4 | |
| 5/20 04:00 | 135.0 | ↑1.2 | |
| 5/20 04:10 | 136.1 | ↑1.1 | |
| 5/20 04:20 | 136.9 | ↑0.8 | |
| 5/20 04:30 | 137.4 | ↑0.5 | |
| 5/20 04:40 | 137.7 | ↑0.3 | 満潮 |
| 5/20 04:50 | 137.7 | 0 | |
| 5/20 05:00 | 137.5 | ↓-0.2 | |
| 5/20 05:10 | 136.9 | ↓-0.6 | |
| 5/20 05:20 | 136.1 | ↓-0.8 | |
| 5/20 05:30 | 135.0 | ↓-1.1 | |
| 5/20 05:40 | 133.6 | ↓-1.4 | |
| 5/20 05:50 | 131.9 | ↓-1.7 | |
| 5/20 06:00 | 129.9 | ↓-2.0 | |
| 5/20 06:10 | 127.6 | ↓-2.3 | |
| 5/20 06:20 | 125.1 | ↓-2.5 | |
| 5/20 06:30 | 122.2 | ↓-2.9 | |
| 5/20 06:40 | 119.1 | ↓-3.1 | |
| 5/20 06:50 | 115.7 | ↓-3.4 | |
| 5/20 07:00 | 112.1 | ↓-3.6 | |
| 5/20 07:10 | 108.2 | ↓-3.9 | |
| 5/20 07:20 | 104.1 | ↓-4.1 | |
| 5/20 07:30 | 99.8 | ↓-4.3 | |
| 5/20 07:40 | 95.3 | ↓-4.5 | |
| 5/20 07:50 | 90.7 | ↓-4.6 | |
| 5/20 08:00 | 85.9 | ↓-4.8 | |
| 5/20 08:10 | 81.0 | ↓-4.9 | |
| 5/20 08:20 | 75.9 | ↓-5.1 | |
| 5/20 08:30 | 70.9 | ↓-5.0 | |
| 5/20 08:40 | 65.7 | ↓-5.2 | 最大潮位差 |
| 5/20 08:50 | 60.6 | ↓-5.1 | |
| 5/20 09:00 | 55.4 | ↓-5.2 | 最大潮位差 |
| 5/20 09:10 | 50.3 | ↓-5.1 | |
| 5/20 09:20 | 45.3 | ↓-5.0 | |
| 5/20 09:30 | 40.3 | ↓-5.0 | |
| 5/20 09:40 | 35.5 | ↓-4.8 | |
| 5/20 09:50 | 30.8 | ↓-4.7 | |
| 5/20 10:00 | 26.2 | ↓-4.6 | |
| 5/20 10:10 | 21.9 | ↓-4.3 | |
| 5/20 10:20 | 17.7 | ↓-4.2 | |
| 5/20 10:30 | 13.8 | ↓-3.9 | |
| 5/20 10:40 | 10.1 | ↓-3.7 | |
| 5/20 10:50 | 6.7 | ↓-3.4 | |
| 5/20 11:00 | 3.5 | ↓-3.2 | |
| 5/20 11:10 | 0.7 | ↓-2.8 | |
| 5/20 11:20 | -1.9 | ↓-2.6 | |
| 5/20 11:30 | -4.1 | ↓-2.2 | |
| 5/20 11:40 | -6.0 | ↓-1.9 | |
| 5/20 11:50 | -7.5 | ↓-1.5 | |
| 5/20 12:00 | -8.7 | ↓-1.2 | |
| 5/20 12:10 | -9.5 | ↓-0.8 | |
| 5/20 12:20 | -10.0 | ↓-0.5 | 干潮 |
| 5/20 12:30 | -10.1 | ↓-0.1 | |
| 5/20 12:40 | -9.8 | ↑0.3 | |
| 5/20 12:50 | -9.2 | ↑0.6 | |
| 5/20 13:00 | -8.2 | ↑1.0 | |
| 5/20 13:10 | -6.9 | ↑1.3 | |
| 5/20 13:20 | -5.2 | ↑1.7 | |
| 5/20 13:30 | -3.2 | ↑2.0 | |
| 5/20 13:40 | -0.8 | ↑2.4 | |
| 5/20 13:50 | 1.8 | ↑2.6 | |
| 5/20 14:00 | 4.8 | ↑3.0 | |
| 5/20 14:10 | 8.0 | ↑3.2 | |
| 5/20 14:20 | 11.5 | ↑3.5 | |
| 5/20 14:30 | 15.1 | ↑3.6 | |
| 5/20 14:40 | 19.0 | ↑3.9 | |
| 5/20 14:50 | 23.1 | ↑4.1 | |
| 5/20 15:00 | 27.3 | ↑4.2 | |
| 5/20 15:10 | 31.6 | ↑4.3 | |
| 5/20 15:20 | 36.1 | ↑4.5 | |
| 5/20 15:30 | 40.6 | ↑4.5 | |
| 5/20 15:40 | 45.1 | ↑4.5 | |
| 5/20 15:50 | 49.7 | ↑4.6 | |
| 5/20 16:00 | 54.2 | ↑4.5 | |
| 5/20 16:10 | 58.7 | ↑4.5 | |
| 5/20 16:20 | 63.2 | ↑4.5 | |
| 5/20 16:30 | 67.5 | ↑4.3 | |
| 5/20 16:40 | 71.8 | ↑4.3 | |
| 5/20 16:50 | 75.9 | ↑4.1 | |
| 5/20 17:00 | 79.9 | ↑4.0 | |
| 5/20 17:10 | 83.8 | ↑3.9 | |
| 5/20 17:20 | 87.5 | ↑3.7 | |
| 5/20 17:30 | 90.9 | ↑3.4 | |
| 5/20 17:40 | 94.2 | ↑3.3 | |
| 5/20 17:50 | 97.3 | ↑3.1 | |
| 5/20 18:00 | 100.2 | ↑2.9 | |
| 5/20 18:10 | 102.8 | ↑2.6 | |
| 5/20 18:20 | 105.2 | ↑2.4 | |
| 5/20 18:30 | 107.3 | ↑2.1 | |
| 5/20 18:40 | 109.2 | ↑1.9 | |
| 5/20 18:50 | 110.9 | ↑1.7 | |
| 5/20 19:00 | 112.3 | ↑1.4 | |
| 5/20 19:10 | 113.5 | ↑1.2 | |
| 5/20 19:20 | 114.4 | ↑0.9 | |
| 5/20 19:30 | 115.1 | ↑0.7 | |
| 5/20 19:40 | 115.5 | ↑0.4 | |
| 5/20 19:50 | 115.8 | ↑0.3 | 満潮 |
| 5/20 20:00 | 115.8 | 0 | |
| 5/20 20:10 | 115.6 | ↓-0.2 | |
| 5/20 20:20 | 115.3 | ↓-0.3 | |
| 5/20 20:30 | 114.8 | ↓-0.5 | |
| 5/20 20:40 | 114.1 | ↓-0.7 | |
| 5/20 20:50 | 113.3 | ↓-0.8 | |
| 5/20 21:00 | 112.4 | ↓-0.9 | |
| 5/20 21:10 | 111.3 | ↓-1.1 | |
| 5/20 21:20 | 110.2 | ↓-1.1 | |
| 5/20 21:30 | 109.1 | ↓-1.1 | |
| 5/20 21:40 | 107.8 | ↓-1.3 | |
| 5/20 21:50 | 106.6 | ↓-1.2 | |
| 5/20 22:00 | 105.3 | ↓-1.3 | |
| 5/20 22:10 | 104.1 | ↓-1.2 | |
| 5/20 22:20 | 102.8 | ↓-1.3 | |
| 5/20 22:30 | 101.6 | ↓-1.2 | |
| 5/20 22:40 | 100.5 | ↓-1.1 | |
| 5/20 22:50 | 99.4 | ↓-1.1 | |
| 5/20 23:00 | 98.4 | ↓-1.0 | |
| 5/20 23:10 | 97.5 | ↓-0.9 | |
| 5/20 23:20 | 96.7 | ↓-0.8 | |
| 5/20 23:30 | 96.0 | ↓-0.7 | |
| 5/20 23:40 | 95.4 | ↓-0.6 | |
| 5/20 23:50 | 95.0 | ↓-0.4 |