| 満潮 | 干潮 | 満潮 | 干潮 |
|
2
(日) |
05:54 | 00:46 | 21:41 | 13:39 |
| 110cm | 85cm | 101cm | 2cm | |
|
||||
那珂湊（茨城）2021年05月2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 |
|---|---|---|---|
| 5/2 00:00 | 85.8 | ↓-0.6 | |
| 5/2 00:10 | 85.3 | ↓-0.5 | |
| 5/2 00:20 | 84.9 | ↓-0.4 | |
| 5/2 00:30 | 84.6 | ↓-0.3 | |
| 5/2 00:40 | 84.5 | ↓-0.1 | 干潮 |
| 5/2 00:50 | 84.5 | 0 | |
| 5/2 01:00 | 84.6 | ↑0.1 | |
| 5/2 01:10 | 84.9 | ↑0.3 | |
| 5/2 01:20 | 85.2 | ↑0.3 | |
| 5/2 01:30 | 85.7 | ↑0.5 | |
| 5/2 01:40 | 86.3 | ↑0.6 | |
| 5/2 01:50 | 87.0 | ↑0.7 | |
| 5/2 02:00 | 87.8 | ↑0.8 | |
| 5/2 02:10 | 88.7 | ↑0.9 | |
| 5/2 02:20 | 89.6 | ↑0.9 | |
| 5/2 02:30 | 90.6 | ↑1.0 | |
| 5/2 02:40 | 91.7 | ↑1.1 | |
| 5/2 02:50 | 92.8 | ↑1.1 | |
| 5/2 03:00 | 94.0 | ↑1.2 | |
| 5/2 03:10 | 95.2 | ↑1.2 | |
| 5/2 03:20 | 96.4 | ↑1.2 | |
| 5/2 03:30 | 97.7 | ↑1.3 | |
| 5/2 03:40 | 98.9 | ↑1.2 | |
| 5/2 03:50 | 100.1 | ↑1.2 | |
| 5/2 04:00 | 101.2 | ↑1.1 | |
| 5/2 04:10 | 102.4 | ↑1.2 | |
| 5/2 04:20 | 103.5 | ↑1.1 | |
| 5/2 04:30 | 104.5 | ↑1.0 | |
| 5/2 04:40 | 105.4 | ↑0.9 | |
| 5/2 04:50 | 106.3 | ↑0.9 | |
| 5/2 05:00 | 107.1 | ↑0.8 | |
| 5/2 05:10 | 107.7 | ↑0.6 | |
| 5/2 05:20 | 108.3 | ↑0.6 | |
| 5/2 05:30 | 108.7 | ↑0.4 | |
| 5/2 05:40 | 109.0 | ↑0.3 | |
| 5/2 05:50 | 109.1 | ↑0.1 | 満潮 |
| 5/2 06:00 | 109.1 | 0 | |
| 5/2 06:10 | 108.9 | ↓-0.2 | |
| 5/2 06:20 | 108.5 | ↓-0.4 | |
| 5/2 06:30 | 107.9 | ↓-0.6 | |
| 5/2 06:40 | 107.2 | ↓-0.7 | |
| 5/2 06:50 | 106.2 | ↓-1.0 | |
| 5/2 07:00 | 105.1 | ↓-1.1 | |
| 5/2 07:10 | 103.7 | ↓-1.4 | |
| 5/2 07:20 | 102.1 | ↓-1.6 | |
| 5/2 07:30 | 100.3 | ↓-1.8 | |
| 5/2 07:40 | 98.4 | ↓-1.9 | |
| 5/2 07:50 | 96.2 | ↓-2.2 | |
| 5/2 08:00 | 93.8 | ↓-2.4 | |
| 5/2 08:10 | 91.2 | ↓-2.6 | |
| 5/2 08:20 | 88.4 | ↓-2.8 | |
| 5/2 08:30 | 85.5 | ↓-2.9 | |
| 5/2 08:40 | 82.4 | ↓-3.1 | |
| 5/2 08:50 | 79.2 | ↓-3.2 | |
| 5/2 09:00 | 75.8 | ↓-3.4 | |
| 5/2 09:10 | 72.3 | ↓-3.5 | |
| 5/2 09:20 | 68.7 | ↓-3.6 | |
| 5/2 09:30 | 65.0 | ↓-3.7 | |
| 5/2 09:40 | 61.2 | ↓-3.8 | 最大潮位差 |
| 5/2 09:50 | 57.4 | ↓-3.8 | 最大潮位差 |
| 5/2 10:00 | 53.6 | ↓-3.8 | 最大潮位差 |
| 5/2 10:10 | 49.8 | ↓-3.8 | 最大潮位差 |
| 5/2 10:20 | 46.0 | ↓-3.8 | 最大潮位差 |
| 5/2 10:30 | 42.2 | ↓-3.8 | 最大潮位差 |
| 5/2 10:40 | 38.5 | ↓-3.7 | |
| 5/2 10:50 | 34.9 | ↓-3.6 | |
| 5/2 11:00 | 31.4 | ↓-3.5 | |
| 5/2 11:10 | 28.0 | ↓-3.4 | |
| 5/2 11:20 | 24.8 | ↓-3.2 | |
| 5/2 11:30 | 21.7 | ↓-3.1 | |
| 5/2 11:40 | 18.8 | ↓-2.9 | |
| 5/2 11:50 | 16.1 | ↓-2.7 | |
| 5/2 12:00 | 13.6 | ↓-2.5 | |
| 5/2 12:10 | 11.3 | ↓-2.3 | |
| 5/2 12:20 | 9.3 | ↓-2.0 | |
| 5/2 12:30 | 7.5 | ↓-1.8 | |
| 5/2 12:40 | 5.9 | ↓-1.6 | |
| 5/2 12:50 | 4.5 | ↓-1.4 | |
| 5/2 13:00 | 3.5 | ↓-1.0 | |
| 5/2 13:10 | 2.6 | ↓-0.9 | |
| 5/2 13:20 | 2.0 | ↓-0.6 | |
| 5/2 13:30 | 1.7 | ↓-0.3 | 干潮 |
| 5/2 13:40 | 1.6 | ↓-0.1 | |
| 5/2 13:50 | 1.8 | ↑0.2 | |
| 5/2 14:00 | 2.2 | ↑0.4 | |
| 5/2 14:10 | 2.8 | ↑0.6 | |
| 5/2 14:20 | 3.7 | ↑0.9 | |
| 5/2 14:30 | 4.8 | ↑1.1 | |
| 5/2 14:40 | 6.1 | ↑1.3 | |
| 5/2 14:50 | 7.6 | ↑1.5 | |
| 5/2 15:00 | 9.3 | ↑1.7 | |
| 5/2 15:10 | 11.2 | ↑1.9 | |
| 5/2 15:20 | 13.3 | ↑2.1 | |
| 5/2 15:30 | 15.6 | ↑2.3 | |
| 5/2 15:40 | 18.0 | ↑2.4 | |
| 5/2 15:50 | 20.5 | ↑2.5 | |
| 5/2 16:00 | 23.2 | ↑2.7 | |
| 5/2 16:10 | 26.0 | ↑2.8 | |
| 5/2 16:20 | 28.9 | ↑2.9 | |
| 5/2 16:30 | 31.9 | ↑3.0 | |
| 5/2 16:40 | 35.0 | ↑3.1 | |
| 5/2 16:50 | 38.1 | ↑3.1 | |
| 5/2 17:00 | 41.4 | ↑3.3 | |
| 5/2 17:10 | 44.6 | ↑3.2 | |
| 5/2 17:20 | 47.9 | ↑3.3 | |
| 5/2 17:30 | 51.2 | ↑3.3 | |
| 5/2 17:40 | 54.4 | ↑3.2 | |
| 5/2 17:50 | 57.7 | ↑3.3 | |
| 5/2 18:00 | 60.9 | ↑3.2 | |
| 5/2 18:10 | 64.1 | ↑3.2 | |
| 5/2 18:20 | 67.2 | ↑3.1 | |
| 5/2 18:30 | 70.3 | ↑3.1 | |
| 5/2 18:40 | 73.2 | ↑2.9 | |
| 5/2 18:50 | 76.1 | ↑2.9 | |
| 5/2 19:00 | 78.8 | ↑2.7 | |
| 5/2 19:10 | 81.4 | ↑2.6 | |
| 5/2 19:20 | 83.8 | ↑2.4 | |
| 5/2 19:30 | 86.1 | ↑2.3 | |
| 5/2 19:40 | 88.3 | ↑2.2 | |
| 5/2 19:50 | 90.2 | ↑1.9 | |
| 5/2 20:00 | 92.0 | ↑1.8 | |
| 5/2 20:10 | 93.6 | ↑1.6 | |
| 5/2 20:20 | 95.1 | ↑1.5 | |
| 5/2 20:30 | 96.3 | ↑1.2 | |
| 5/2 20:40 | 97.4 | ↑1.1 | |
| 5/2 20:50 | 98.3 | ↑0.9 | |
| 5/2 21:00 | 99.0 | ↑0.7 | |
| 5/2 21:10 | 99.5 | ↑0.5 | |
| 5/2 21:20 | 99.9 | ↑0.4 | |
| 5/2 21:30 | 100.1 | ↑0.2 | |
| 5/2 21:40 | 100.2 | ↑0.1 | 満潮 |
| 5/2 21:50 | 100.1 | ↓-0.1 | |
| 5/2 22:00 | 99.9 | ↓-0.2 | |
| 5/2 22:10 | 99.6 | ↓-0.3 | |
| 5/2 22:20 | 99.2 | ↓-0.4 | |
| 5/2 22:30 | 98.7 | ↓-0.5 | |
| 5/2 22:40 | 98.2 | ↓-0.5 | |
| 5/2 22:50 | 97.5 | ↓-0.7 | |
| 5/2 23:00 | 96.9 | ↓-0.6 | |
| 5/2 23:10 | 96.2 | ↓-0.7 | |
| 5/2 23:20 | 95.4 | ↓-0.8 | |
| 5/2 23:30 | 94.7 | ↓-0.7 | |
| 5/2 23:40 | 94.0 | ↓-0.7 | |
| 5/2 23:50 | 93.3 | ↓-0.7 |