| 満潮 | 干潮 | 満潮 | 干潮 |
|
21
(日) |
05:00 | 12:06 | 19:24 | - |
| 119cm | -4cm | 115cm | - | |
|
||||
那珂湊（茨城）2034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 | 73.8 | ↑0.4 | |
| 5/21 00:10 | 74.4 | ↑0.6 | |
| 5/21 00:20 | 75.2 | ↑0.8 | |
| 5/21 00:30 | 76.1 | ↑0.9 | |
| 5/21 00:40 | 77.3 | ↑1.2 | |
| 5/21 00:50 | 78.6 | ↑1.3 | |
| 5/21 01:00 | 80.0 | ↑1.4 | |
| 5/21 01:10 | 81.6 | ↑1.6 | |
| 5/21 01:20 | 83.4 | ↑1.8 | |
| 5/21 01:30 | 85.2 | ↑1.8 | |
| 5/21 01:40 | 87.1 | ↑1.9 | |
| 5/21 01:50 | 89.2 | ↑2.1 | |
| 5/21 02:00 | 91.2 | ↑2.0 | |
| 5/21 02:10 | 93.4 | ↑2.2 | |
| 5/21 02:20 | 95.5 | ↑2.1 | |
| 5/21 02:30 | 97.7 | ↑2.2 | |
| 5/21 02:40 | 99.8 | ↑2.1 | |
| 5/21 02:50 | 101.9 | ↑2.1 | |
| 5/21 03:00 | 104.0 | ↑2.1 | |
| 5/21 03:10 | 106.0 | ↑2.0 | |
| 5/21 03:20 | 107.9 | ↑1.9 | |
| 5/21 03:30 | 109.7 | ↑1.8 | |
| 5/21 03:40 | 111.4 | ↑1.7 | |
| 5/21 03:50 | 112.9 | ↑1.5 | |
| 5/21 04:00 | 114.3 | ↑1.4 | |
| 5/21 04:10 | 115.5 | ↑1.2 | |
| 5/21 04:20 | 116.5 | ↑1.0 | |
| 5/21 04:30 | 117.3 | ↑0.8 | |
| 5/21 04:40 | 117.9 | ↑0.6 | |
| 5/21 04:50 | 118.3 | ↑0.4 | 満潮 |
| 5/21 05:00 | 118.4 | ↑0.1 | 満潮 |
| 5/21 05:10 | 118.2 | ↓-0.2 | |
| 5/21 05:20 | 117.8 | ↓-0.4 | |
| 5/21 05:30 | 117.1 | ↓-0.7 | |
| 5/21 05:40 | 116.1 | ↓-1.0 | |
| 5/21 05:50 | 114.8 | ↓-1.3 | |
| 5/21 06:00 | 113.2 | ↓-1.6 | |
| 5/21 06:10 | 111.4 | ↓-1.8 | |
| 5/21 06:20 | 109.3 | ↓-2.1 | |
| 5/21 06:30 | 106.8 | ↓-2.5 | |
| 5/21 06:40 | 104.2 | ↓-2.6 | |
| 5/21 06:50 | 101.2 | ↓-3.0 | |
| 5/21 07:00 | 98.0 | ↓-3.2 | |
| 5/21 07:10 | 94.6 | ↓-3.4 | |
| 5/21 07:20 | 90.9 | ↓-3.7 | |
| 5/21 07:30 | 87.0 | ↓-3.9 | |
| 5/21 07:40 | 83.0 | ↓-4.0 | |
| 5/21 07:50 | 78.7 | ↓-4.3 | |
| 5/21 08:00 | 74.4 | ↓-4.3 | |
| 5/21 08:10 | 69.9 | ↓-4.5 | |
| 5/21 08:20 | 65.4 | ↓-4.5 | |
| 5/21 08:30 | 60.7 | ↓-4.7 | 最大潮位差 |
| 5/21 08:40 | 56.1 | ↓-4.6 | |
| 5/21 08:50 | 51.4 | ↓-4.7 | 最大潮位差 |
| 5/21 09:00 | 46.8 | ↓-4.6 | |
| 5/21 09:10 | 42.2 | ↓-4.6 | |
| 5/21 09:20 | 37.8 | ↓-4.4 | |
| 5/21 09:30 | 33.4 | ↓-4.4 | |
| 5/21 09:40 | 29.1 | ↓-4.3 | |
| 5/21 09:50 | 25.1 | ↓-4.0 | |
| 5/21 10:00 | 21.2 | ↓-3.9 | |
| 5/21 10:10 | 17.5 | ↓-3.7 | |
| 5/21 10:20 | 14.1 | ↓-3.4 | |
| 5/21 10:30 | 10.9 | ↓-3.2 | |
| 5/21 10:40 | 8.0 | ↓-2.9 | |
| 5/21 10:50 | 5.4 | ↓-2.6 | |
| 5/21 11:00 | 3.0 | ↓-2.4 | |
| 5/21 11:10 | 1.0 | ↓-2.0 | |
| 5/21 11:20 | -0.6 | ↓-1.6 | |
| 5/21 11:30 | -2.0 | ↓-1.4 | |
| 5/21 11:40 | -3.0 | ↓-1.0 | |
| 5/21 11:50 | -3.7 | ↓-0.7 | |
| 5/21 12:00 | -4.0 | ↓-0.3 | 干潮 |
| 5/21 12:10 | -4.0 | 0 | |
| 5/21 12:20 | -3.7 | ↑0.3 | |
| 5/21 12:30 | -3.0 | ↑0.7 | |
| 5/21 12:40 | -2.0 | ↑1.0 | |
| 5/21 12:50 | -0.7 | ↑1.3 | |
| 5/21 13:00 | 0.9 | ↑1.6 | |
| 5/21 13:10 | 2.8 | ↑1.9 | |
| 5/21 13:20 | 5.0 | ↑2.2 | |
| 5/21 13:30 | 7.5 | ↑2.5 | |
| 5/21 13:40 | 10.2 | ↑2.7 | |
| 5/21 13:50 | 13.1 | ↑2.9 | |
| 5/21 14:00 | 16.3 | ↑3.2 | |
| 5/21 14:10 | 19.6 | ↑3.3 | |
| 5/21 14:20 | 23.2 | ↑3.6 | |
| 5/21 14:30 | 26.9 | ↑3.7 | |
| 5/21 14:40 | 30.7 | ↑3.8 | |
| 5/21 14:50 | 34.7 | ↑4.0 | |
| 5/21 15:00 | 38.8 | ↑4.1 | |
| 5/21 15:10 | 42.9 | ↑4.1 | |
| 5/21 15:20 | 47.2 | ↑4.3 | |
| 5/21 15:30 | 51.4 | ↑4.2 | |
| 5/21 15:40 | 55.7 | ↑4.3 | |
| 5/21 15:50 | 60.0 | ↑4.3 | |
| 5/21 16:00 | 64.2 | ↑4.2 | |
| 5/21 16:10 | 68.4 | ↑4.2 | |
| 5/21 16:20 | 72.5 | ↑4.1 | |
| 5/21 16:30 | 76.5 | ↑4.0 | |
| 5/21 16:40 | 80.5 | ↑4.0 | |
| 5/21 16:50 | 84.3 | ↑3.8 | |
| 5/21 17:00 | 87.9 | ↑3.6 | |
| 5/21 17:10 | 91.3 | ↑3.4 | |
| 5/21 17:20 | 94.6 | ↑3.3 | |
| 5/21 17:30 | 97.7 | ↑3.1 | |
| 5/21 17:40 | 100.5 | ↑2.8 | |
| 5/21 17:50 | 103.1 | ↑2.6 | |
| 5/21 18:00 | 105.5 | ↑2.4 | |
| 5/21 18:10 | 107.6 | ↑2.1 | |
| 5/21 18:20 | 109.5 | ↑1.9 | |
| 5/21 18:30 | 111.0 | ↑1.5 | |
| 5/21 18:40 | 112.3 | ↑1.3 | |
| 5/21 18:50 | 113.4 | ↑1.1 | |
| 5/21 19:00 | 114.1 | ↑0.7 | |
| 5/21 19:10 | 114.6 | ↑0.5 | |
| 5/21 19:20 | 114.8 | ↑0.2 | 満潮 |
| 5/21 19:30 | 114.7 | ↓-0.1 | |
| 5/21 19:40 | 114.4 | ↓-0.3 | |
| 5/21 19:50 | 113.9 | ↓-0.5 | |
| 5/21 20:00 | 113.1 | ↓-0.8 | |
| 5/21 20:10 | 112.1 | ↓-1.0 | |
| 5/21 20:20 | 110.9 | ↓-1.2 | |
| 5/21 20:30 | 109.5 | ↓-1.4 | |
| 5/21 20:40 | 108.0 | ↓-1.5 | |
| 5/21 20:50 | 106.4 | ↓-1.6 | |
| 5/21 21:00 | 104.6 | ↓-1.8 | |
| 5/21 21:10 | 102.8 | ↓-1.8 | |
| 5/21 21:20 | 100.8 | ↓-2.0 | |
| 5/21 21:30 | 98.9 | ↓-1.9 | |
| 5/21 21:40 | 96.9 | ↓-2.0 | |
| 5/21 21:50 | 94.9 | ↓-2.0 | |
| 5/21 22:00 | 92.9 | ↓-2.0 | |
| 5/21 22:10 | 91.0 | ↓-1.9 | |
| 5/21 22:20 | 89.1 | ↓-1.9 | |
| 5/21 22:30 | 87.4 | ↓-1.7 | |
| 5/21 22:40 | 85.7 | ↓-1.7 | |
| 5/21 22:50 | 84.1 | ↓-1.6 | |
| 5/21 23:00 | 82.7 | ↓-1.4 | |
| 5/21 23:10 | 81.4 | ↓-1.3 | |
| 5/21 23:20 | 80.3 | ↓-1.1 | |
| 5/21 23:30 | 79.3 | ↓-1.0 | |
| 5/21 23:40 | 78.5 | ↓-0.8 | |
| 5/21 23:50 | 77.9 | ↓-0.6 |