| 満潮 | 干潮 | 満潮 | 干潮 |
|
30
(日) |
05:02 | 12:38 | 20:24 | - |
| 121cm | -4cm | 114cm | - | |
|
||||
那珂湊（茨城）2021年05月30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 |
|---|---|---|---|
| 5/30 00:00 | 90.5 | 0 | |
| 5/30 00:10 | 90.6 | ↑0.1 | |
| 5/30 00:20 | 90.8 | ↑0.2 | |
| 5/30 00:30 | 91.2 | ↑0.4 | |
| 5/30 00:40 | 91.8 | ↑0.6 | |
| 5/30 00:50 | 92.4 | ↑0.6 | |
| 5/30 01:00 | 93.3 | ↑0.9 | |
| 5/30 01:10 | 94.2 | ↑0.9 | |
| 5/30 01:20 | 95.2 | ↑1.0 | |
| 5/30 01:30 | 96.4 | ↑1.2 | |
| 5/30 01:40 | 97.6 | ↑1.2 | |
| 5/30 01:50 | 98.9 | ↑1.3 | |
| 5/30 02:00 | 100.3 | ↑1.4 | |
| 5/30 02:10 | 101.7 | ↑1.4 | |
| 5/30 02:20 | 103.2 | ↑1.5 | |
| 5/30 02:30 | 104.7 | ↑1.5 | |
| 5/30 02:40 | 106.2 | ↑1.5 | |
| 5/30 02:50 | 107.7 | ↑1.5 | |
| 5/30 03:00 | 109.2 | ↑1.5 | |
| 5/30 03:10 | 110.6 | ↑1.4 | |
| 5/30 03:20 | 112.0 | ↑1.4 | |
| 5/30 03:30 | 113.4 | ↑1.4 | |
| 5/30 03:40 | 114.6 | ↑1.2 | |
| 5/30 03:50 | 115.8 | ↑1.2 | |
| 5/30 04:00 | 116.9 | ↑1.1 | |
| 5/30 04:10 | 117.8 | ↑0.9 | |
| 5/30 04:20 | 118.6 | ↑0.8 | |
| 5/30 04:30 | 119.2 | ↑0.6 | |
| 5/30 04:40 | 119.7 | ↑0.5 | |
| 5/30 04:50 | 120.0 | ↑0.3 | |
| 5/30 05:00 | 120.2 | ↑0.2 | 満潮 |
| 5/30 05:10 | 120.1 | ↓-0.1 | |
| 5/30 05:20 | 119.8 | ↓-0.3 | |
| 5/30 05:30 | 119.3 | ↓-0.5 | |
| 5/30 05:40 | 118.5 | ↓-0.8 | |
| 5/30 05:50 | 117.6 | ↓-0.9 | |
| 5/30 06:00 | 116.3 | ↓-1.3 | |
| 5/30 06:10 | 114.9 | ↓-1.4 | |
| 5/30 06:20 | 113.2 | ↓-1.7 | |
| 5/30 06:30 | 111.2 | ↓-2.0 | |
| 5/30 06:40 | 109.0 | ↓-2.2 | |
| 5/30 06:50 | 106.5 | ↓-2.5 | |
| 5/30 07:00 | 103.8 | ↓-2.7 | |
| 5/30 07:10 | 100.9 | ↓-2.9 | |
| 5/30 07:20 | 97.7 | ↓-3.2 | |
| 5/30 07:30 | 94.3 | ↓-3.4 | |
| 5/30 07:40 | 90.8 | ↓-3.5 | |
| 5/30 07:50 | 87.0 | ↓-3.8 | |
| 5/30 08:00 | 83.1 | ↓-3.9 | |
| 5/30 08:10 | 79.0 | ↓-4.1 | |
| 5/30 08:20 | 74.8 | ↓-4.2 | |
| 5/30 08:30 | 70.5 | ↓-4.3 | |
| 5/30 08:40 | 66.1 | ↓-4.4 | |
| 5/30 08:50 | 61.6 | ↓-4.5 | 最大潮位差 |
| 5/30 09:00 | 57.1 | ↓-4.5 | 最大潮位差 |
| 5/30 09:10 | 52.6 | ↓-4.5 | 最大潮位差 |
| 5/30 09:20 | 48.1 | ↓-4.5 | 最大潮位差 |
| 5/30 09:30 | 43.7 | ↓-4.4 | |
| 5/30 09:40 | 39.3 | ↓-4.4 | |
| 5/30 09:50 | 35.0 | ↓-4.3 | |
| 5/30 10:00 | 30.8 | ↓-4.2 | |
| 5/30 10:10 | 26.8 | ↓-4.0 | |
| 5/30 10:20 | 22.9 | ↓-3.9 | |
| 5/30 10:30 | 19.2 | ↓-3.7 | |
| 5/30 10:40 | 15.7 | ↓-3.5 | |
| 5/30 10:50 | 12.5 | ↓-3.2 | |
| 5/30 11:00 | 9.4 | ↓-3.1 | |
| 5/30 11:10 | 6.7 | ↓-2.7 | |
| 5/30 11:20 | 4.2 | ↓-2.5 | |
| 5/30 11:30 | 2.0 | ↓-2.2 | |
| 5/30 11:40 | 0.1 | ↓-1.9 | |
| 5/30 11:50 | -1.5 | ↓-1.6 | |
| 5/30 12:00 | -2.9 | ↓-1.4 | |
| 5/30 12:10 | -3.9 | ↓-1.0 | |
| 5/30 12:20 | -4.5 | ↓-0.6 | |
| 5/30 12:30 | -4.9 | ↓-0.4 | 干潮 |
| 5/30 12:40 | -5.0 | ↓-0.1 | |
| 5/30 12:50 | -4.7 | ↑0.3 | |
| 5/30 13:00 | -4.2 | ↑0.5 | |
| 5/30 13:10 | -3.4 | ↑0.8 | |
| 5/30 13:20 | -2.2 | ↑1.2 | |
| 5/30 13:30 | -0.8 | ↑1.4 | |
| 5/30 13:40 | 0.9 | ↑1.7 | |
| 5/30 13:50 | 2.8 | ↑1.9 | |
| 5/30 14:00 | 5.0 | ↑2.2 | |
| 5/30 14:10 | 7.4 | ↑2.4 | |
| 5/30 14:20 | 10.1 | ↑2.7 | |
| 5/30 14:30 | 12.9 | ↑2.8 | |
| 5/30 14:40 | 16.0 | ↑3.1 | |
| 5/30 14:50 | 19.2 | ↑3.2 | |
| 5/30 15:00 | 22.6 | ↑3.4 | |
| 5/30 15:10 | 26.1 | ↑3.5 | |
| 5/30 15:20 | 29.8 | ↑3.7 | |
| 5/30 15:30 | 33.6 | ↑3.8 | |
| 5/30 15:40 | 37.5 | ↑3.9 | |
| 5/30 15:50 | 41.4 | ↑3.9 | |
| 5/30 16:00 | 45.4 | ↑4.0 | |
| 5/30 16:10 | 49.4 | ↑4.0 | |
| 5/30 16:20 | 53.5 | ↑4.1 | |
| 5/30 16:30 | 57.5 | ↑4.0 | |
| 5/30 16:40 | 61.6 | ↑4.1 | |
| 5/30 16:50 | 65.6 | ↑4.0 | |
| 5/30 17:00 | 69.5 | ↑3.9 | |
| 5/30 17:10 | 73.3 | ↑3.8 | |
| 5/30 17:20 | 77.1 | ↑3.8 | |
| 5/30 17:30 | 80.8 | ↑3.7 | |
| 5/30 17:40 | 84.3 | ↑3.5 | |
| 5/30 17:50 | 87.6 | ↑3.3 | |
| 5/30 18:00 | 90.9 | ↑3.3 | |
| 5/30 18:10 | 93.9 | ↑3.0 | |
| 5/30 18:20 | 96.7 | ↑2.8 | |
| 5/30 18:30 | 99.4 | ↑2.7 | |
| 5/30 18:40 | 101.8 | ↑2.4 | |
| 5/30 18:50 | 104.0 | ↑2.2 | |
| 5/30 19:00 | 106.0 | ↑2.0 | |
| 5/30 19:10 | 107.8 | ↑1.8 | |
| 5/30 19:20 | 109.3 | ↑1.5 | |
| 5/30 19:30 | 110.6 | ↑1.3 | |
| 5/30 19:40 | 111.6 | ↑1.0 | |
| 5/30 19:50 | 112.4 | ↑0.8 | |
| 5/30 20:00 | 113.0 | ↑0.6 | |
| 5/30 20:10 | 113.4 | ↑0.4 | |
| 5/30 20:20 | 113.6 | ↑0.2 | 満潮 |
| 5/30 20:30 | 113.5 | ↓-0.1 | |
| 5/30 20:40 | 113.3 | ↓-0.2 | |
| 5/30 20:50 | 112.9 | ↓-0.4 | |
| 5/30 21:00 | 112.3 | ↓-0.6 | |
| 5/30 21:10 | 111.6 | ↓-0.7 | |
| 5/30 21:20 | 110.8 | ↓-0.8 | |
| 5/30 21:30 | 109.8 | ↓-1.0 | |
| 5/30 21:40 | 108.8 | ↓-1.0 | |
| 5/30 21:50 | 107.7 | ↓-1.1 | |
| 5/30 22:00 | 106.5 | ↓-1.2 | |
| 5/30 22:10 | 105.3 | ↓-1.2 | |
| 5/30 22:20 | 104.1 | ↓-1.2 | |
| 5/30 22:30 | 102.9 | ↓-1.2 | |
| 5/30 22:40 | 101.7 | ↓-1.2 | |
| 5/30 22:50 | 100.5 | ↓-1.2 | |
| 5/30 23:00 | 99.4 | ↓-1.1 | |
| 5/30 23:10 | 98.3 | ↓-1.1 | |
| 5/30 23:20 | 97.3 | ↓-1.0 | |
| 5/30 23:30 | 96.4 | ↓-0.9 | |
| 5/30 23:40 | 95.6 | ↓-0.8 | |
| 5/30 23:50 | 94.9 | ↓-0.7 |