| 満潮 | 干潮 | 満潮 | 干潮 |
|
20
(火) |
02:24 | 09:25 | 16:22 | 21:25 |
| 129cm | 10cm | 120cm | 79cm | |
|
||||
大洗（茨城）2031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 | 108.0 | ↑2.5 | |
| 5/20 00:10 | 110.3 | ↑2.3 | |
| 5/20 00:20 | 112.7 | ↑2.4 | |
| 5/20 00:30 | 114.9 | ↑2.2 | |
| 5/20 00:40 | 117.1 | ↑2.2 | |
| 5/20 00:50 | 119.1 | ↑2.0 | |
| 5/20 01:00 | 120.9 | ↑1.8 | |
| 5/20 01:10 | 122.7 | ↑1.8 | |
| 5/20 01:20 | 124.2 | ↑1.5 | |
| 5/20 01:30 | 125.5 | ↑1.3 | |
| 5/20 01:40 | 126.7 | ↑1.2 | |
| 5/20 01:50 | 127.6 | ↑0.9 | |
| 5/20 02:00 | 128.3 | ↑0.7 | |
| 5/20 02:10 | 128.7 | ↑0.4 | |
| 5/20 02:20 | 128.9 | ↑0.2 | 満潮 |
| 5/20 02:30 | 128.9 | 0 | |
| 5/20 02:40 | 128.5 | ↓-0.4 | |
| 5/20 02:50 | 127.9 | ↓-0.6 | |
| 5/20 03:00 | 127.1 | ↓-0.8 | |
| 5/20 03:10 | 125.9 | ↓-1.2 | |
| 5/20 03:20 | 124.5 | ↓-1.4 | |
| 5/20 03:30 | 122.8 | ↓-1.7 | |
| 5/20 03:40 | 120.8 | ↓-2.0 | |
| 5/20 03:50 | 118.6 | ↓-2.2 | |
| 5/20 04:00 | 116.0 | ↓-2.6 | |
| 5/20 04:10 | 113.3 | ↓-2.7 | |
| 5/20 04:20 | 110.2 | ↓-3.1 | |
| 5/20 04:30 | 106.9 | ↓-3.3 | |
| 5/20 04:40 | 103.4 | ↓-3.5 | |
| 5/20 04:50 | 99.7 | ↓-3.7 | |
| 5/20 05:00 | 95.8 | ↓-3.9 | |
| 5/20 05:10 | 91.8 | ↓-4.0 | |
| 5/20 05:20 | 87.5 | ↓-4.3 | |
| 5/20 05:30 | 83.2 | ↓-4.3 | |
| 5/20 05:40 | 78.7 | ↓-4.5 | |
| 5/20 05:50 | 74.2 | ↓-4.5 | |
| 5/20 06:00 | 69.6 | ↓-4.6 | 最大潮位差 |
| 5/20 06:10 | 65.1 | ↓-4.5 | |
| 5/20 06:20 | 60.5 | ↓-4.6 | 最大潮位差 |
| 5/20 06:30 | 56.0 | ↓-4.5 | |
| 5/20 06:40 | 51.5 | ↓-4.5 | |
| 5/20 06:50 | 47.2 | ↓-4.3 | |
| 5/20 07:00 | 42.9 | ↓-4.3 | |
| 5/20 07:10 | 38.9 | ↓-4.0 | |
| 5/20 07:20 | 35.0 | ↓-3.9 | |
| 5/20 07:30 | 31.3 | ↓-3.7 | |
| 5/20 07:40 | 27.8 | ↓-3.5 | |
| 5/20 07:50 | 24.6 | ↓-3.2 | |
| 5/20 08:00 | 21.7 | ↓-2.9 | |
| 5/20 08:10 | 19.1 | ↓-2.6 | |
| 5/20 08:20 | 16.7 | ↓-2.4 | |
| 5/20 08:30 | 14.7 | ↓-2.0 | |
| 5/20 08:40 | 13.0 | ↓-1.7 | |
| 5/20 08:50 | 11.6 | ↓-1.4 | |
| 5/20 09:00 | 10.6 | ↓-1.0 | |
| 5/20 09:10 | 10.0 | ↓-0.6 | |
| 5/20 09:20 | 9.6 | ↓-0.4 | 干潮 |
| 5/20 09:30 | 9.7 | ↑0.1 | |
| 5/20 09:40 | 10.1 | ↑0.4 | |
| 5/20 09:50 | 10.8 | ↑0.7 | |
| 5/20 10:00 | 11.9 | ↑1.1 | |
| 5/20 10:10 | 13.3 | ↑1.4 | |
| 5/20 10:20 | 15.1 | ↑1.8 | |
| 5/20 10:30 | 17.1 | ↑2.0 | |
| 5/20 10:40 | 19.5 | ↑2.4 | |
| 5/20 10:50 | 22.1 | ↑2.6 | |
| 5/20 11:00 | 25.0 | ↑2.9 | |
| 5/20 11:10 | 28.2 | ↑3.2 | |
| 5/20 11:20 | 31.6 | ↑3.4 | |
| 5/20 11:30 | 35.1 | ↑3.5 | |
| 5/20 11:40 | 38.9 | ↑3.8 | |
| 5/20 11:50 | 42.8 | ↑3.9 | |
| 5/20 12:00 | 46.8 | ↑4.0 | |
| 5/20 12:10 | 50.9 | ↑4.1 | |
| 5/20 12:20 | 55.0 | ↑4.1 | |
| 5/20 12:30 | 59.2 | ↑4.2 | |
| 5/20 12:40 | 63.4 | ↑4.2 | |
| 5/20 12:50 | 67.6 | ↑4.2 | |
| 5/20 13:00 | 71.7 | ↑4.1 | |
| 5/20 13:10 | 75.8 | ↑4.1 | |
| 5/20 13:20 | 79.8 | ↑4.0 | |
| 5/20 13:30 | 83.7 | ↑3.9 | |
| 5/20 13:40 | 87.4 | ↑3.7 | |
| 5/20 13:50 | 91.0 | ↑3.6 | |
| 5/20 14:00 | 94.5 | ↑3.5 | |
| 5/20 14:10 | 97.7 | ↑3.2 | |
| 5/20 14:20 | 100.8 | ↑3.1 | |
| 5/20 14:30 | 103.7 | ↑2.9 | |
| 5/20 14:40 | 106.3 | ↑2.6 | |
| 5/20 14:50 | 108.7 | ↑2.4 | |
| 5/20 15:00 | 110.9 | ↑2.2 | |
| 5/20 15:10 | 112.8 | ↑1.9 | |
| 5/20 15:20 | 114.5 | ↑1.7 | |
| 5/20 15:30 | 115.9 | ↑1.4 | |
| 5/20 15:40 | 117.1 | ↑1.2 | |
| 5/20 15:50 | 118.0 | ↑0.9 | |
| 5/20 16:00 | 118.7 | ↑0.7 | |
| 5/20 16:10 | 119.1 | ↑0.4 | |
| 5/20 16:20 | 119.2 | ↑0.1 | 満潮 |
| 5/20 16:30 | 119.1 | ↓-0.1 | |
| 5/20 16:40 | 118.8 | ↓-0.3 | |
| 5/20 16:50 | 118.2 | ↓-0.6 | |
| 5/20 17:00 | 117.4 | ↓-0.8 | |
| 5/20 17:10 | 116.4 | ↓-1.0 | |
| 5/20 17:20 | 115.2 | ↓-1.2 | |
| 5/20 17:30 | 113.8 | ↓-1.4 | |
| 5/20 17:40 | 112.3 | ↓-1.5 | |
| 5/20 17:50 | 110.6 | ↓-1.7 | |
| 5/20 18:00 | 108.8 | ↓-1.8 | |
| 5/20 18:10 | 106.9 | ↓-1.9 | |
| 5/20 18:20 | 104.9 | ↓-2.0 | |
| 5/20 18:30 | 102.9 | ↓-2.0 | |
| 5/20 18:40 | 100.8 | ↓-2.1 | |
| 5/20 18:50 | 98.7 | ↓-2.1 | |
| 5/20 19:00 | 96.6 | ↓-2.1 | |
| 5/20 19:10 | 94.6 | ↓-2.0 | |
| 5/20 19:20 | 92.6 | ↓-2.0 | |
| 5/20 19:30 | 90.7 | ↓-1.9 | |
| 5/20 19:40 | 88.8 | ↓-1.9 | |
| 5/20 19:50 | 87.1 | ↓-1.7 | |
| 5/20 20:00 | 85.5 | ↓-1.6 | |
| 5/20 20:10 | 84.0 | ↓-1.5 | |
| 5/20 20:20 | 82.7 | ↓-1.3 | |
| 5/20 20:30 | 81.6 | ↓-1.1 | |
| 5/20 20:40 | 80.6 | ↓-1.0 | |
| 5/20 20:50 | 79.8 | ↓-0.8 | |
| 5/20 21:00 | 79.3 | ↓-0.5 | |
| 5/20 21:10 | 78.9 | ↓-0.4 | |
| 5/20 21:20 | 78.7 | ↓-0.2 | 干潮 |
| 5/20 21:30 | 78.7 | 0 | |
| 5/20 21:40 | 79.0 | ↑0.3 | |
| 5/20 21:50 | 79.4 | ↑0.4 | |
| 5/20 22:00 | 80.1 | ↑0.7 | |
| 5/20 22:10 | 80.9 | ↑0.8 | |
| 5/20 22:20 | 82.0 | ↑1.1 | |
| 5/20 22:30 | 83.3 | ↑1.3 | |
| 5/20 22:40 | 84.7 | ↑1.4 | |
| 5/20 22:50 | 86.4 | ↑1.7 | |
| 5/20 23:00 | 88.2 | ↑1.8 | |
| 5/20 23:10 | 90.1 | ↑1.9 | |
| 5/20 23:20 | 92.2 | ↑2.1 | |
| 5/20 23:30 | 94.5 | ↑2.3 | |
| 5/20 23:40 | 96.8 | ↑2.3 | |
| 5/20 23:50 | 99.2 | ↑2.4 |