| 満潮 | 干潮 | 満潮 | 干潮 |
|
20
(水) |
02:14 | 09:40 | 17:02 | 21:50 |
| 138cm | 19cm | 133cm | 103cm | |
|
||||
大洗（茨城）2039年07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 |
|---|---|---|---|
| 7/20 00:00 | 123.4 | ↑1.6 | |
| 7/20 00:10 | 125.1 | ↑1.7 | |
| 7/20 00:20 | 126.7 | ↑1.6 | |
| 7/20 00:30 | 128.2 | ↑1.5 | |
| 7/20 00:40 | 129.7 | ↑1.5 | |
| 7/20 00:50 | 131.1 | ↑1.4 | |
| 7/20 01:00 | 132.4 | ↑1.3 | |
| 7/20 01:10 | 133.6 | ↑1.2 | |
| 7/20 01:20 | 134.6 | ↑1.0 | |
| 7/20 01:30 | 135.5 | ↑0.9 | |
| 7/20 01:40 | 136.2 | ↑0.7 | |
| 7/20 01:50 | 136.8 | ↑0.6 | |
| 7/20 02:00 | 137.1 | ↑0.3 | |
| 7/20 02:10 | 137.3 | ↑0.2 | 満潮 |
| 7/20 02:20 | 137.2 | ↓-0.1 | |
| 7/20 02:30 | 137.0 | ↓-0.2 | |
| 7/20 02:40 | 136.5 | ↓-0.5 | |
| 7/20 02:50 | 135.8 | ↓-0.7 | |
| 7/20 03:00 | 134.9 | ↓-0.9 | |
| 7/20 03:10 | 133.7 | ↓-1.2 | |
| 7/20 03:20 | 132.3 | ↓-1.4 | |
| 7/20 03:30 | 130.7 | ↓-1.6 | |
| 7/20 03:40 | 128.8 | ↓-1.9 | |
| 7/20 03:50 | 126.7 | ↓-2.1 | |
| 7/20 04:00 | 124.4 | ↓-2.3 | |
| 7/20 04:10 | 121.8 | ↓-2.6 | |
| 7/20 04:20 | 119.0 | ↓-2.8 | |
| 7/20 04:30 | 116.0 | ↓-3.0 | |
| 7/20 04:40 | 112.8 | ↓-3.2 | |
| 7/20 04:50 | 109.4 | ↓-3.4 | |
| 7/20 05:00 | 105.8 | ↓-3.6 | |
| 7/20 05:10 | 102.0 | ↓-3.8 | |
| 7/20 05:20 | 98.1 | ↓-3.9 | |
| 7/20 05:30 | 94.1 | ↓-4.0 | |
| 7/20 05:40 | 89.9 | ↓-4.2 | |
| 7/20 05:50 | 85.7 | ↓-4.2 | |
| 7/20 06:00 | 81.4 | ↓-4.3 | |
| 7/20 06:10 | 77.1 | ↓-4.3 | |
| 7/20 06:20 | 72.7 | ↓-4.4 | 最大潮位差 |
| 7/20 06:30 | 68.4 | ↓-4.3 | |
| 7/20 06:40 | 64.1 | ↓-4.3 | |
| 7/20 06:50 | 59.8 | ↓-4.3 | |
| 7/20 07:00 | 55.7 | ↓-4.1 | |
| 7/20 07:10 | 51.6 | ↓-4.1 | |
| 7/20 07:20 | 47.7 | ↓-3.9 | |
| 7/20 07:30 | 44.0 | ↓-3.7 | |
| 7/20 07:40 | 40.4 | ↓-3.6 | |
| 7/20 07:50 | 37.1 | ↓-3.3 | |
| 7/20 08:00 | 34.0 | ↓-3.1 | |
| 7/20 08:10 | 31.1 | ↓-2.9 | |
| 7/20 08:20 | 28.5 | ↓-2.6 | |
| 7/20 08:30 | 26.2 | ↓-2.3 | |
| 7/20 08:40 | 24.1 | ↓-2.1 | |
| 7/20 08:50 | 22.4 | ↓-1.7 | |
| 7/20 09:00 | 21.0 | ↓-1.4 | |
| 7/20 09:10 | 19.9 | ↓-1.1 | |
| 7/20 09:20 | 19.1 | ↓-0.8 | |
| 7/20 09:30 | 18.6 | ↓-0.5 | 干潮 |
| 7/20 09:40 | 18.5 | ↓-0.1 | 干潮 |
| 7/20 09:50 | 18.7 | ↑0.2 | |
| 7/20 10:00 | 19.2 | ↑0.5 | |
| 7/20 10:10 | 20.1 | ↑0.9 | |
| 7/20 10:20 | 21.3 | ↑1.2 | |
| 7/20 10:30 | 22.8 | ↑1.5 | |
| 7/20 10:40 | 24.6 | ↑1.8 | |
| 7/20 10:50 | 26.7 | ↑2.1 | |
| 7/20 11:00 | 29.1 | ↑2.4 | |
| 7/20 11:10 | 31.7 | ↑2.6 | |
| 7/20 11:20 | 34.6 | ↑2.9 | |
| 7/20 11:30 | 37.7 | ↑3.1 | |
| 7/20 11:40 | 41.0 | ↑3.3 | |
| 7/20 11:50 | 44.5 | ↑3.5 | |
| 7/20 12:00 | 48.2 | ↑3.7 | |
| 7/20 12:10 | 52.0 | ↑3.8 | |
| 7/20 12:20 | 56.0 | ↑4.0 | |
| 7/20 12:30 | 60.0 | ↑4.0 | |
| 7/20 12:40 | 64.1 | ↑4.1 | |
| 7/20 12:50 | 68.2 | ↑4.1 | |
| 7/20 13:00 | 72.3 | ↑4.1 | |
| 7/20 13:10 | 76.4 | ↑4.1 | |
| 7/20 13:20 | 80.5 | ↑4.1 | |
| 7/20 13:30 | 84.6 | ↑4.1 | |
| 7/20 13:40 | 88.6 | ↑4.0 | |
| 7/20 13:50 | 92.4 | ↑3.8 | |
| 7/20 14:00 | 96.2 | ↑3.8 | |
| 7/20 14:10 | 99.8 | ↑3.6 | |
| 7/20 14:20 | 103.3 | ↑3.5 | |
| 7/20 14:30 | 106.7 | ↑3.4 | |
| 7/20 14:40 | 109.9 | ↑3.2 | |
| 7/20 14:50 | 112.9 | ↑3.0 | |
| 7/20 15:00 | 115.7 | ↑2.8 | |
| 7/20 15:10 | 118.3 | ↑2.6 | |
| 7/20 15:20 | 120.7 | ↑2.4 | |
| 7/20 15:30 | 122.8 | ↑2.1 | |
| 7/20 15:40 | 124.8 | ↑2.0 | |
| 7/20 15:50 | 126.5 | ↑1.7 | |
| 7/20 16:00 | 128.0 | ↑1.5 | |
| 7/20 16:10 | 129.3 | ↑1.3 | |
| 7/20 16:20 | 130.4 | ↑1.1 | |
| 7/20 16:30 | 131.2 | ↑0.8 | |
| 7/20 16:40 | 131.8 | ↑0.6 | |
| 7/20 16:50 | 132.1 | ↑0.3 | |
| 7/20 17:00 | 132.3 | ↑0.2 | 満潮 |
| 7/20 17:10 | 132.2 | ↓-0.1 | |
| 7/20 17:20 | 131.9 | ↓-0.3 | |
| 7/20 17:30 | 131.4 | ↓-0.5 | |
| 7/20 17:40 | 130.8 | ↓-0.6 | |
| 7/20 17:50 | 129.9 | ↓-0.9 | |
| 7/20 18:00 | 128.9 | ↓-1.0 | |
| 7/20 18:10 | 127.8 | ↓-1.1 | |
| 7/20 18:20 | 126.6 | ↓-1.2 | |
| 7/20 18:30 | 125.2 | ↓-1.4 | |
| 7/20 18:40 | 123.7 | ↓-1.5 | |
| 7/20 18:50 | 122.2 | ↓-1.5 | |
| 7/20 19:00 | 120.6 | ↓-1.6 | |
| 7/20 19:10 | 119.0 | ↓-1.6 | |
| 7/20 19:20 | 117.4 | ↓-1.6 | |
| 7/20 19:30 | 115.8 | ↓-1.6 | |
| 7/20 19:40 | 114.2 | ↓-1.6 | |
| 7/20 19:50 | 112.7 | ↓-1.5 | |
| 7/20 20:00 | 111.2 | ↓-1.5 | |
| 7/20 20:10 | 109.8 | ↓-1.4 | |
| 7/20 20:20 | 108.5 | ↓-1.3 | |
| 7/20 20:30 | 107.3 | ↓-1.2 | |
| 7/20 20:40 | 106.1 | ↓-1.2 | |
| 7/20 20:50 | 105.2 | ↓-0.9 | |
| 7/20 21:00 | 104.3 | ↓-0.9 | |
| 7/20 21:10 | 103.6 | ↓-0.7 | |
| 7/20 21:20 | 103.0 | ↓-0.6 | |
| 7/20 21:30 | 102.6 | ↓-0.4 | |
| 7/20 21:40 | 102.4 | ↓-0.2 | 干潮 |
| 7/20 21:50 | 102.3 | ↓-0.1 | 干潮 |
| 7/20 22:00 | 102.4 | ↑0.1 | |
| 7/20 22:10 | 102.7 | ↑0.3 | |
| 7/20 22:20 | 103.1 | ↑0.4 | |
| 7/20 22:30 | 103.7 | ↑0.6 | |
| 7/20 22:40 | 104.5 | ↑0.8 | |
| 7/20 22:50 | 105.4 | ↑0.9 | |
| 7/20 23:00 | 106.5 | ↑1.1 | |
| 7/20 23:10 | 107.7 | ↑1.2 | |
| 7/20 23:20 | 109.1 | ↑1.4 | |
| 7/20 23:30 | 110.6 | ↑1.5 | |
| 7/20 23:40 | 112.1 | ↑1.5 | |
| 7/20 23:50 | 113.8 | ↑1.7 |