| 満潮 | 干潮 | 満潮 | 干潮 |
|
21
(水) |
04:58 | 12:07 | 19:29 | - |
| 118cm | -3cm | 115cm | - | |
|
||||
那珂湊（茨城）2053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 | 75.3 | ↑0.3 | |
| 5/21 00:10 | 75.9 | ↑0.6 | |
| 5/21 00:20 | 76.6 | ↑0.7 | |
| 5/21 00:30 | 77.5 | ↑0.9 | |
| 5/21 00:40 | 78.6 | ↑1.1 | |
| 5/21 00:50 | 79.9 | ↑1.3 | |
| 5/21 01:00 | 81.3 | ↑1.4 | |
| 5/21 01:10 | 82.8 | ↑1.5 | |
| 5/21 01:20 | 84.5 | ↑1.7 | |
| 5/21 01:30 | 86.2 | ↑1.7 | |
| 5/21 01:40 | 88.1 | ↑1.9 | |
| 5/21 01:50 | 90.0 | ↑1.9 | |
| 5/21 02:00 | 92.0 | ↑2.0 | |
| 5/21 02:10 | 94.0 | ↑2.0 | |
| 5/21 02:20 | 96.1 | ↑2.1 | |
| 5/21 02:30 | 98.1 | ↑2.0 | |
| 5/21 02:40 | 100.1 | ↑2.0 | |
| 5/21 02:50 | 102.1 | ↑2.0 | |
| 5/21 03:00 | 104.1 | ↑2.0 | |
| 5/21 03:10 | 106.0 | ↑1.9 | |
| 5/21 03:20 | 107.8 | ↑1.8 | |
| 5/21 03:30 | 109.5 | ↑1.7 | |
| 5/21 03:40 | 111.0 | ↑1.5 | |
| 5/21 03:50 | 112.5 | ↑1.5 | |
| 5/21 04:00 | 113.7 | ↑1.2 | |
| 5/21 04:10 | 114.9 | ↑1.2 | |
| 5/21 04:20 | 115.8 | ↑0.9 | |
| 5/21 04:30 | 116.5 | ↑0.7 | |
| 5/21 04:40 | 117.0 | ↑0.5 | |
| 5/21 04:50 | 117.3 | ↑0.3 | 満潮 |
| 5/21 05:00 | 117.4 | ↑0.1 | |
| 5/21 05:10 | 117.2 | ↓-0.2 | |
| 5/21 05:20 | 116.7 | ↓-0.5 | |
| 5/21 05:30 | 116.0 | ↓-0.7 | |
| 5/21 05:40 | 115.0 | ↓-1.0 | |
| 5/21 05:50 | 113.7 | ↓-1.3 | |
| 5/21 06:00 | 112.2 | ↓-1.5 | |
| 5/21 06:10 | 110.4 | ↓-1.8 | |
| 5/21 06:20 | 108.3 | ↓-2.1 | |
| 5/21 06:30 | 105.9 | ↓-2.4 | |
| 5/21 06:40 | 103.3 | ↓-2.6 | |
| 5/21 06:50 | 100.4 | ↓-2.9 | |
| 5/21 07:00 | 97.3 | ↓-3.1 | |
| 5/21 07:10 | 93.9 | ↓-3.4 | |
| 5/21 07:20 | 90.3 | ↓-3.6 | |
| 5/21 07:30 | 86.5 | ↓-3.8 | |
| 5/21 07:40 | 82.6 | ↓-3.9 | |
| 5/21 07:50 | 78.4 | ↓-4.2 | |
| 5/21 08:00 | 74.2 | ↓-4.2 | |
| 5/21 08:10 | 69.8 | ↓-4.4 | |
| 5/21 08:20 | 65.3 | ↓-4.5 | |
| 5/21 08:30 | 60.8 | ↓-4.5 | |
| 5/21 08:40 | 56.2 | ↓-4.6 | 最大潮位差 |
| 5/21 08:50 | 51.6 | ↓-4.6 | 最大潮位差 |
| 5/21 09:00 | 47.0 | ↓-4.6 | 最大潮位差 |
| 5/21 09:10 | 42.5 | ↓-4.5 | |
| 5/21 09:20 | 38.1 | ↓-4.4 | |
| 5/21 09:30 | 33.7 | ↓-4.4 | |
| 5/21 09:40 | 29.5 | ↓-4.2 | |
| 5/21 09:50 | 25.5 | ↓-4.0 | |
| 5/21 10:00 | 21.6 | ↓-3.9 | |
| 5/21 10:10 | 18.0 | ↓-3.6 | |
| 5/21 10:20 | 14.6 | ↓-3.4 | |
| 5/21 10:30 | 11.4 | ↓-3.2 | |
| 5/21 10:40 | 8.5 | ↓-2.9 | |
| 5/21 10:50 | 5.8 | ↓-2.7 | |
| 5/21 11:00 | 3.5 | ↓-2.3 | |
| 5/21 11:10 | 1.5 | ↓-2.0 | |
| 5/21 11:20 | -0.2 | ↓-1.7 | |
| 5/21 11:30 | -1.6 | ↓-1.4 | |
| 5/21 11:40 | -2.6 | ↓-1.0 | |
| 5/21 11:50 | -3.3 | ↓-0.7 | |
| 5/21 12:00 | -3.7 | ↓-0.4 | 干潮 |
| 5/21 12:10 | -3.7 | 0 | |
| 5/21 12:20 | -3.4 | ↑0.3 | |
| 5/21 12:30 | -2.8 | ↑0.6 | |
| 5/21 12:40 | -1.9 | ↑0.9 | |
| 5/21 12:50 | -0.6 | ↑1.3 | |
| 5/21 13:00 | 1.0 | ↑1.6 | |
| 5/21 13:10 | 2.8 | ↑1.8 | |
| 5/21 13:20 | 4.9 | ↑2.1 | |
| 5/21 13:30 | 7.3 | ↑2.4 | |
| 5/21 13:40 | 10.0 | ↑2.7 | |
| 5/21 13:50 | 12.8 | ↑2.8 | |
| 5/21 14:00 | 15.9 | ↑3.1 | |
| 5/21 14:10 | 19.2 | ↑3.3 | |
| 5/21 14:20 | 22.7 | ↑3.5 | |
| 5/21 14:30 | 26.3 | ↑3.6 | |
| 5/21 14:40 | 30.1 | ↑3.8 | |
| 5/21 14:50 | 34.0 | ↑3.9 | |
| 5/21 15:00 | 38.0 | ↑4.0 | |
| 5/21 15:10 | 42.1 | ↑4.1 | |
| 5/21 15:20 | 46.2 | ↑4.1 | |
| 5/21 15:30 | 50.4 | ↑4.2 | |
| 5/21 15:40 | 54.6 | ↑4.2 | |
| 5/21 15:50 | 58.8 | ↑4.2 | |
| 5/21 16:00 | 62.9 | ↑4.1 | |
| 5/21 16:10 | 67.1 | ↑4.2 | |
| 5/21 16:20 | 71.1 | ↑4.0 | |
| 5/21 16:30 | 75.1 | ↑4.0 | |
| 5/21 16:40 | 79.0 | ↑3.9 | |
| 5/21 16:50 | 82.7 | ↑3.7 | |
| 5/21 17:00 | 86.3 | ↑3.6 | |
| 5/21 17:10 | 89.8 | ↑3.5 | |
| 5/21 17:20 | 93.1 | ↑3.3 | |
| 5/21 17:30 | 96.2 | ↑3.1 | |
| 5/21 17:40 | 99.0 | ↑2.8 | |
| 5/21 17:50 | 101.7 | ↑2.7 | |
| 5/21 18:00 | 104.1 | ↑2.4 | |
| 5/21 18:10 | 106.3 | ↑2.2 | |
| 5/21 18:20 | 108.2 | ↑1.9 | |
| 5/21 18:30 | 109.9 | ↑1.7 | |
| 5/21 18:40 | 111.3 | ↑1.4 | |
| 5/21 18:50 | 112.4 | ↑1.1 | |
| 5/21 19:00 | 113.3 | ↑0.9 | |
| 5/21 19:10 | 113.9 | ↑0.6 | |
| 5/21 19:20 | 114.2 | ↑0.3 | 満潮 |
| 5/21 19:30 | 114.3 | ↑0.1 | |
| 5/21 19:40 | 114.1 | ↓-0.2 | |
| 5/21 19:50 | 113.7 | ↓-0.4 | |
| 5/21 20:00 | 113.1 | ↓-0.6 | |
| 5/21 20:10 | 112.2 | ↓-0.9 | |
| 5/21 20:20 | 111.2 | ↓-1.0 | |
| 5/21 20:30 | 110.0 | ↓-1.2 | |
| 5/21 20:40 | 108.6 | ↓-1.4 | |
| 5/21 20:50 | 107.1 | ↓-1.5 | |
| 5/21 21:00 | 105.4 | ↓-1.7 | |
| 5/21 21:10 | 103.7 | ↓-1.7 | |
| 5/21 21:20 | 101.9 | ↓-1.8 | |
| 5/21 21:30 | 100.0 | ↓-1.9 | |
| 5/21 21:40 | 98.1 | ↓-1.9 | |
| 5/21 21:50 | 96.2 | ↓-1.9 | |
| 5/21 22:00 | 94.3 | ↓-1.9 | |
| 5/21 22:10 | 92.5 | ↓-1.8 | |
| 5/21 22:20 | 90.7 | ↓-1.8 | |
| 5/21 22:30 | 89.0 | ↓-1.7 | |
| 5/21 22:40 | 87.4 | ↓-1.6 | |
| 5/21 22:50 | 85.8 | ↓-1.6 | |
| 5/21 23:00 | 84.4 | ↓-1.4 | |
| 5/21 23:10 | 83.2 | ↓-1.2 | |
| 5/21 23:20 | 82.1 | ↓-1.1 | |
| 5/21 23:30 | 81.1 | ↓-1.0 | |
| 5/21 23:40 | 80.3 | ↓-0.8 | |
| 5/21 23:50 | 79.7 | ↓-0.6 |