| 満潮 | 干潮 | 満潮 | 干潮 |
|
20
(日) |
06:49 | 01:47 | 21:46 | 14:35 |
| 113cm | 87cm | 109cm | 25cm | |
|
||||
大洗（茨城）2029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 | 92.6 | ↓-1.1 | |
| 5/20 00:10 | 91.6 | ↓-1.0 | |
| 5/20 00:20 | 90.7 | ↓-0.9 | |
| 5/20 00:30 | 89.9 | ↓-0.8 | |
| 5/20 00:40 | 89.1 | ↓-0.8 | |
| 5/20 00:50 | 88.5 | ↓-0.6 | |
| 5/20 01:00 | 87.9 | ↓-0.6 | |
| 5/20 01:10 | 87.4 | ↓-0.5 | |
| 5/20 01:20 | 87.1 | ↓-0.3 | |
| 5/20 01:30 | 86.8 | ↓-0.3 | |
| 5/20 01:40 | 86.7 | ↓-0.1 | 干潮 |
| 5/20 01:50 | 86.7 | 0 | |
| 5/20 02:00 | 86.8 | ↑0.1 | |
| 5/20 02:10 | 87.0 | ↑0.2 | |
| 5/20 02:20 | 87.4 | ↑0.4 | |
| 5/20 02:30 | 87.9 | ↑0.5 | |
| 5/20 02:40 | 88.5 | ↑0.6 | |
| 5/20 02:50 | 89.2 | ↑0.7 | |
| 5/20 03:00 | 90.0 | ↑0.8 | |
| 5/20 03:10 | 90.9 | ↑0.9 | |
| 5/20 03:20 | 91.9 | ↑1.0 | |
| 5/20 03:30 | 93.0 | ↑1.1 | |
| 5/20 03:40 | 94.2 | ↑1.2 | |
| 5/20 03:50 | 95.4 | ↑1.2 | |
| 5/20 04:00 | 96.7 | ↑1.3 | |
| 5/20 04:10 | 98.1 | ↑1.4 | |
| 5/20 04:20 | 99.4 | ↑1.3 | |
| 5/20 04:30 | 100.8 | ↑1.4 | |
| 5/20 04:40 | 102.1 | ↑1.3 | |
| 5/20 04:50 | 103.5 | ↑1.4 | |
| 5/20 05:00 | 104.8 | ↑1.3 | |
| 5/20 05:10 | 106.0 | ↑1.2 | |
| 5/20 05:20 | 107.2 | ↑1.2 | |
| 5/20 05:30 | 108.3 | ↑1.1 | |
| 5/20 05:40 | 109.3 | ↑1.0 | |
| 5/20 05:50 | 110.2 | ↑0.9 | |
| 5/20 06:00 | 110.9 | ↑0.7 | |
| 5/20 06:10 | 111.6 | ↑0.7 | |
| 5/20 06:20 | 112.1 | ↑0.5 | |
| 5/20 06:30 | 112.4 | ↑0.3 | |
| 5/20 06:40 | 112.6 | ↑0.2 | 満潮 |
| 5/20 06:50 | 112.6 | 0 | |
| 5/20 07:00 | 112.5 | ↓-0.1 | |
| 5/20 07:10 | 112.2 | ↓-0.3 | |
| 5/20 07:20 | 111.8 | ↓-0.4 | |
| 5/20 07:30 | 111.1 | ↓-0.7 | |
| 5/20 07:40 | 110.3 | ↓-0.8 | |
| 5/20 07:50 | 109.4 | ↓-0.9 | |
| 5/20 08:00 | 108.2 | ↓-1.2 | |
| 5/20 08:10 | 106.9 | ↓-1.3 | |
| 5/20 08:20 | 105.4 | ↓-1.5 | |
| 5/20 08:30 | 103.7 | ↓-1.7 | |
| 5/20 08:40 | 101.9 | ↓-1.8 | |
| 5/20 08:50 | 99.9 | ↓-2.0 | |
| 5/20 09:00 | 97.8 | ↓-2.1 | |
| 5/20 09:10 | 95.6 | ↓-2.2 | |
| 5/20 09:20 | 93.2 | ↓-2.4 | |
| 5/20 09:30 | 90.6 | ↓-2.6 | |
| 5/20 09:40 | 88.0 | ↓-2.6 | |
| 5/20 09:50 | 85.3 | ↓-2.7 | |
| 5/20 10:00 | 82.5 | ↓-2.8 | |
| 5/20 10:10 | 79.6 | ↓-2.9 | |
| 5/20 10:20 | 76.7 | ↓-2.9 | |
| 5/20 10:30 | 73.7 | ↓-3.0 | |
| 5/20 10:40 | 70.7 | ↓-3.0 | |
| 5/20 10:50 | 67.6 | ↓-3.1 | |
| 5/20 11:00 | 64.6 | ↓-3.0 | |
| 5/20 11:10 | 61.6 | ↓-3.0 | |
| 5/20 11:20 | 58.6 | ↓-3.0 | |
| 5/20 11:30 | 55.7 | ↓-2.9 | |
| 5/20 11:40 | 52.8 | ↓-2.9 | |
| 5/20 11:50 | 50.0 | ↓-2.8 | |
| 5/20 12:00 | 47.3 | ↓-2.7 | |
| 5/20 12:10 | 44.7 | ↓-2.6 | |
| 5/20 12:20 | 42.2 | ↓-2.5 | |
| 5/20 12:30 | 39.8 | ↓-2.4 | |
| 5/20 12:40 | 37.5 | ↓-2.3 | |
| 5/20 12:50 | 35.4 | ↓-2.1 | |
| 5/20 13:00 | 33.4 | ↓-2.0 | |
| 5/20 13:10 | 31.6 | ↓-1.8 | |
| 5/20 13:20 | 30.0 | ↓-1.6 | |
| 5/20 13:30 | 28.5 | ↓-1.5 | |
| 5/20 13:40 | 27.3 | ↓-1.2 | |
| 5/20 13:50 | 26.2 | ↓-1.1 | |
| 5/20 14:00 | 25.3 | ↓-0.9 | |
| 5/20 14:10 | 24.7 | ↓-0.6 | |
| 5/20 14:20 | 24.2 | ↓-0.5 | |
| 5/20 14:30 | 24.0 | ↓-0.2 | 干潮 |
| 5/20 14:40 | 24.0 | 0 | |
| 5/20 14:50 | 24.3 | ↑0.3 | |
| 5/20 15:00 | 24.8 | ↑0.5 | |
| 5/20 15:10 | 25.5 | ↑0.7 | |
| 5/20 15:20 | 26.5 | ↑1.0 | |
| 5/20 15:30 | 27.7 | ↑1.2 | |
| 5/20 15:40 | 29.1 | ↑1.4 | |
| 5/20 15:50 | 30.8 | ↑1.7 | |
| 5/20 16:00 | 32.6 | ↑1.8 | |
| 5/20 16:10 | 34.7 | ↑2.1 | |
| 5/20 16:20 | 36.9 | ↑2.2 | |
| 5/20 16:30 | 39.3 | ↑2.4 | |
| 5/20 16:40 | 41.9 | ↑2.6 | |
| 5/20 16:50 | 44.6 | ↑2.7 | |
| 5/20 17:00 | 47.5 | ↑2.9 | |
| 5/20 17:10 | 50.4 | ↑2.9 | |
| 5/20 17:20 | 53.4 | ↑3.0 | |
| 5/20 17:30 | 56.5 | ↑3.1 | |
| 5/20 17:40 | 59.7 | ↑3.2 | 最大潮位差 |
| 5/20 17:50 | 62.8 | ↑3.1 | |
| 5/20 18:00 | 66.0 | ↑3.2 | 最大潮位差 |
| 5/20 18:10 | 69.1 | ↑3.1 | |
| 5/20 18:20 | 72.3 | ↑3.2 | 最大潮位差 |
| 5/20 18:30 | 75.4 | ↑3.1 | |
| 5/20 18:40 | 78.4 | ↑3.0 | |
| 5/20 18:50 | 81.3 | ↑2.9 | |
| 5/20 19:00 | 84.2 | ↑2.9 | |
| 5/20 19:10 | 86.9 | ↑2.7 | |
| 5/20 19:20 | 89.5 | ↑2.6 | |
| 5/20 19:30 | 92.0 | ↑2.5 | |
| 5/20 19:40 | 94.3 | ↑2.3 | |
| 5/20 19:50 | 96.5 | ↑2.2 | |
| 5/20 20:00 | 98.5 | ↑2.0 | |
| 5/20 20:10 | 100.4 | ↑1.9 | |
| 5/20 20:20 | 102.0 | ↑1.6 | |
| 5/20 20:30 | 103.5 | ↑1.5 | |
| 5/20 20:40 | 104.8 | ↑1.3 | |
| 5/20 20:50 | 105.9 | ↑1.1 | |
| 5/20 21:00 | 106.8 | ↑0.9 | |
| 5/20 21:10 | 107.6 | ↑0.8 | |
| 5/20 21:20 | 108.1 | ↑0.5 | |
| 5/20 21:30 | 108.5 | ↑0.4 | |
| 5/20 21:40 | 108.6 | ↑0.1 | 満潮 |
| 5/20 21:50 | 108.6 | 0 | |
| 5/20 22:00 | 108.5 | ↓-0.1 | |
| 5/20 22:10 | 108.2 | ↓-0.3 | |
| 5/20 22:20 | 107.7 | ↓-0.5 | |
| 5/20 22:30 | 107.1 | ↓-0.6 | |
| 5/20 22:40 | 106.4 | ↓-0.7 | |
| 5/20 22:50 | 105.6 | ↓-0.8 | |
| 5/20 23:00 | 104.7 | ↓-0.9 | |
| 5/20 23:10 | 103.7 | ↓-1.0 | |
| 5/20 23:20 | 102.6 | ↓-1.1 | |
| 5/20 23:30 | 101.5 | ↓-1.1 | |
| 5/20 23:40 | 100.3 | ↓-1.2 | |
| 5/20 23:50 | 99.1 | ↓-1.2 |