| 満潮 | 干潮 | 満潮 | 干潮 |
|
21
(火) |
05:15 | 00:02 | 19:59 | 12:42 |
| 135cm | 84cm | 118cm | 0cm | |
|
||||
大洗（茨城）2030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 | 83.7 | ↓-0.1 | 干潮 |
| 5/21 00:10 | 83.8 | ↑0.1 | |
| 5/21 00:20 | 84.1 | ↑0.3 | |
| 5/21 00:30 | 84.6 | ↑0.5 | |
| 5/21 00:40 | 85.4 | ↑0.8 | |
| 5/21 00:50 | 86.4 | ↑1.0 | |
| 5/21 01:00 | 87.6 | ↑1.2 | |
| 5/21 01:10 | 89.0 | ↑1.4 | |
| 5/21 01:20 | 90.7 | ↑1.7 | |
| 5/21 01:30 | 92.5 | ↑1.8 | |
| 5/21 01:40 | 94.4 | ↑1.9 | |
| 5/21 01:50 | 96.6 | ↑2.2 | |
| 5/21 02:00 | 98.8 | ↑2.2 | |
| 5/21 02:10 | 101.2 | ↑2.4 | |
| 5/21 02:20 | 103.7 | ↑2.5 | |
| 5/21 02:30 | 106.2 | ↑2.5 | |
| 5/21 02:40 | 108.8 | ↑2.6 | |
| 5/21 02:50 | 111.4 | ↑2.6 | |
| 5/21 03:00 | 113.9 | ↑2.5 | |
| 5/21 03:10 | 116.4 | ↑2.5 | |
| 5/21 03:20 | 118.9 | ↑2.5 | |
| 5/21 03:30 | 121.2 | ↑2.3 | |
| 5/21 03:40 | 123.5 | ↑2.3 | |
| 5/21 03:50 | 125.6 | ↑2.1 | |
| 5/21 04:00 | 127.5 | ↑1.9 | |
| 5/21 04:10 | 129.2 | ↑1.7 | |
| 5/21 04:20 | 130.7 | ↑1.5 | |
| 5/21 04:30 | 132.0 | ↑1.3 | |
| 5/21 04:40 | 133.1 | ↑1.1 | |
| 5/21 04:50 | 133.9 | ↑0.8 | |
| 5/21 05:00 | 134.4 | ↑0.5 | |
| 5/21 05:10 | 134.7 | ↑0.3 | 満潮 |
| 5/21 05:20 | 134.6 | ↓-0.1 | |
| 5/21 05:30 | 134.3 | ↓-0.3 | |
| 5/21 05:40 | 133.7 | ↓-0.6 | |
| 5/21 05:50 | 132.8 | ↓-0.9 | |
| 5/21 06:00 | 131.5 | ↓-1.3 | |
| 5/21 06:10 | 130.0 | ↓-1.5 | |
| 5/21 06:20 | 128.1 | ↓-1.9 | |
| 5/21 06:30 | 126.0 | ↓-2.1 | |
| 5/21 06:40 | 123.6 | ↓-2.4 | |
| 5/21 06:50 | 120.9 | ↓-2.7 | |
| 5/21 07:00 | 117.9 | ↓-3.0 | |
| 5/21 07:10 | 114.6 | ↓-3.3 | |
| 5/21 07:20 | 111.1 | ↓-3.5 | |
| 5/21 07:30 | 107.4 | ↓-3.7 | |
| 5/21 07:40 | 103.5 | ↓-3.9 | |
| 5/21 07:50 | 99.4 | ↓-4.1 | |
| 5/21 08:00 | 95.1 | ↓-4.3 | |
| 5/21 08:10 | 90.6 | ↓-4.5 | |
| 5/21 08:20 | 86.0 | ↓-4.6 | |
| 5/21 08:30 | 81.3 | ↓-4.7 | |
| 5/21 08:40 | 76.6 | ↓-4.7 | |
| 5/21 08:50 | 71.8 | ↓-4.8 | |
| 5/21 09:00 | 66.9 | ↓-4.9 | 最大潮位差 |
| 5/21 09:10 | 62.1 | ↓-4.8 | |
| 5/21 09:20 | 57.3 | ↓-4.8 | |
| 5/21 09:30 | 52.5 | ↓-4.8 | |
| 5/21 09:40 | 47.8 | ↓-4.7 | |
| 5/21 09:50 | 43.3 | ↓-4.5 | |
| 5/21 10:00 | 38.8 | ↓-4.5 | |
| 5/21 10:10 | 34.5 | ↓-4.3 | |
| 5/21 10:20 | 30.4 | ↓-4.1 | |
| 5/21 10:30 | 26.4 | ↓-4.0 | |
| 5/21 10:40 | 22.7 | ↓-3.7 | |
| 5/21 10:50 | 19.2 | ↓-3.5 | |
| 5/21 11:00 | 15.9 | ↓-3.3 | |
| 5/21 11:10 | 12.9 | ↓-3.0 | |
| 5/21 11:20 | 10.2 | ↓-2.7 | |
| 5/21 11:30 | 7.7 | ↓-2.5 | |
| 5/21 11:40 | 5.6 | ↓-2.1 | |
| 5/21 11:50 | 3.7 | ↓-1.9 | |
| 5/21 12:00 | 2.2 | ↓-1.5 | |
| 5/21 12:10 | 1.0 | ↓-1.2 | |
| 5/21 12:20 | 0.1 | ↓-0.9 | |
| 5/21 12:30 | -0.4 | ↓-0.5 | |
| 5/21 12:40 | -0.6 | ↓-0.2 | 干潮 |
| 5/21 12:50 | -0.4 | ↑0.2 | |
| 5/21 13:00 | 0.0 | ↑0.4 | |
| 5/21 13:10 | 0.9 | 0 | |
| 5/21 13:20 | 2.0 | ↑1.1 | |
| 5/21 13:30 | 3.5 | ↑1.5 | |
| 5/21 13:40 | 5.3 | ↑1.8 | |
| 5/21 13:50 | 7.4 | ↑2.1 | |
| 5/21 14:00 | 9.8 | ↑2.4 | |
| 5/21 14:10 | 12.5 | ↑2.7 | |
| 5/21 14:20 | 15.4 | ↑2.9 | |
| 5/21 14:30 | 18.6 | ↑3.2 | |
| 5/21 14:40 | 22.0 | ↑3.4 | |
| 5/21 14:50 | 25.6 | ↑3.6 | |
| 5/21 15:00 | 29.4 | ↑3.8 | |
| 5/21 15:10 | 33.3 | ↑3.9 | |
| 5/21 15:20 | 37.4 | ↑4.1 | |
| 5/21 15:30 | 41.5 | ↑4.1 | |
| 5/21 15:40 | 45.8 | ↑4.3 | |
| 5/21 15:50 | 50.0 | ↑4.2 | |
| 5/21 16:00 | 54.3 | ↑4.3 | |
| 5/21 16:10 | 58.6 | ↑4.3 | |
| 5/21 16:20 | 62.9 | ↑4.3 | |
| 5/21 16:30 | 67.2 | ↑4.3 | |
| 5/21 16:40 | 71.3 | ↑4.1 | |
| 5/21 16:50 | 75.4 | ↑4.1 | |
| 5/21 17:00 | 79.4 | ↑4.0 | |
| 5/21 17:10 | 83.2 | ↑3.8 | |
| 5/21 17:20 | 87.0 | ↑3.8 | |
| 5/21 17:30 | 90.5 | ↑3.5 | |
| 5/21 17:40 | 93.9 | ↑3.4 | |
| 5/21 17:50 | 97.1 | ↑3.2 | |
| 5/21 18:00 | 100.1 | ↑3.0 | |
| 5/21 18:10 | 102.8 | ↑2.7 | |
| 5/21 18:20 | 105.4 | ↑2.6 | |
| 5/21 18:30 | 107.7 | ↑2.3 | |
| 5/21 18:40 | 109.8 | ↑2.1 | |
| 5/21 18:50 | 111.6 | ↑1.8 | |
| 5/21 19:00 | 113.2 | ↑1.6 | |
| 5/21 19:10 | 114.5 | ↑1.3 | |
| 5/21 19:20 | 115.6 | ↑1.1 | |
| 5/21 19:30 | 116.4 | ↑0.8 | |
| 5/21 19:40 | 117.0 | ↑0.6 | |
| 5/21 19:50 | 117.3 | ↑0.3 | 満潮 |
| 5/21 20:00 | 117.4 | ↑0.1 | |
| 5/21 20:10 | 117.2 | ↓-0.2 | |
| 5/21 20:20 | 116.8 | ↓-0.4 | |
| 5/21 20:30 | 116.3 | ↓-0.5 | |
| 5/21 20:40 | 115.5 | ↓-0.8 | |
| 5/21 20:50 | 114.5 | ↓-1.0 | |
| 5/21 21:00 | 113.4 | ↓-1.1 | |
| 5/21 21:10 | 112.1 | ↓-1.3 | |
| 5/21 21:20 | 110.7 | ↓-1.4 | |
| 5/21 21:30 | 109.2 | ↓-1.5 | |
| 5/21 21:40 | 107.6 | ↓-1.6 | |
| 5/21 21:50 | 105.9 | ↓-1.7 | |
| 5/21 22:00 | 104.2 | ↓-1.7 | |
| 5/21 22:10 | 102.4 | ↓-1.8 | |
| 5/21 22:20 | 100.7 | ↓-1.7 | |
| 5/21 22:30 | 98.9 | ↓-1.8 | |
| 5/21 22:40 | 97.2 | ↓-1.7 | |
| 5/21 22:50 | 95.5 | ↓-1.7 | |
| 5/21 23:00 | 93.8 | ↓-1.7 | |
| 5/21 23:10 | 92.3 | ↓-1.5 | |
| 5/21 23:20 | 90.8 | ↓-1.5 | |
| 5/21 23:30 | 89.4 | ↓-1.4 | |
| 5/21 23:40 | 88.2 | ↓-1.2 | |
| 5/21 23:50 | 87.1 | ↓-1.1 |