| 満潮 | 干潮 | 満潮 | 干潮 |
|
4
(日) |
12:09 | 06:11 | 23:34 | 17:01 |
| 92cm | 55cm | 122cm | 75cm | |
|
||||
那珂湊（茨城）2021年07月4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 |
|---|---|---|---|
| 7/4 00:00 | 115.5 | ↓-1.1 | |
| 7/4 00:10 | 114.3 | ↓-1.2 | |
| 7/4 00:20 | 112.9 | ↓-1.4 | |
| 7/4 00:30 | 111.4 | ↓-1.5 | |
| 7/4 00:40 | 109.7 | ↓-1.7 | |
| 7/4 00:50 | 107.9 | ↓-1.8 | |
| 7/4 01:00 | 106.0 | ↓-1.9 | |
| 7/4 01:10 | 104.0 | ↓-2.0 | |
| 7/4 01:20 | 101.9 | ↓-2.1 | |
| 7/4 01:30 | 99.8 | ↓-2.1 | |
| 7/4 01:40 | 97.6 | ↓-2.2 | |
| 7/4 01:50 | 95.3 | ↓-2.3 | |
| 7/4 02:00 | 93.1 | ↓-2.2 | |
| 7/4 02:10 | 90.7 | ↓-2.4 | 最大潮位差 |
| 7/4 02:20 | 88.4 | ↓-2.3 | |
| 7/4 02:30 | 86.1 | ↓-2.3 | |
| 7/4 02:40 | 83.8 | ↓-2.3 | |
| 7/4 02:50 | 81.5 | ↓-2.3 | |
| 7/4 03:00 | 79.3 | ↓-2.2 | |
| 7/4 03:10 | 77.1 | ↓-2.2 | |
| 7/4 03:20 | 75.0 | ↓-2.1 | |
| 7/4 03:30 | 72.9 | ↓-2.1 | |
| 7/4 03:40 | 70.9 | ↓-2.0 | |
| 7/4 03:50 | 69.0 | ↓-1.9 | |
| 7/4 04:00 | 67.2 | ↓-1.8 | |
| 7/4 04:10 | 65.5 | ↓-1.7 | |
| 7/4 04:20 | 63.8 | ↓-1.7 | |
| 7/4 04:30 | 62.4 | ↓-1.4 | |
| 7/4 04:40 | 61.0 | ↓-1.4 | |
| 7/4 04:50 | 59.7 | ↓-1.3 | |
| 7/4 05:00 | 58.6 | ↓-1.1 | |
| 7/4 05:10 | 57.6 | ↓-1.0 | |
| 7/4 05:20 | 56.8 | ↓-0.8 | |
| 7/4 05:30 | 56.1 | ↓-0.7 | |
| 7/4 05:40 | 55.6 | ↓-0.5 | |
| 7/4 05:50 | 55.2 | ↓-0.4 | |
| 7/4 06:00 | 55.0 | ↓-0.2 | |
| 7/4 06:10 | 54.9 | ↓-0.1 | 干潮 |
| 7/4 06:20 | 55.0 | ↑0.1 | |
| 7/4 06:30 | 55.2 | ↑0.2 | |
| 7/4 06:40 | 55.5 | ↑0.3 | |
| 7/4 06:50 | 56.1 | ↑0.6 | |
| 7/4 07:00 | 56.7 | ↑0.6 | |
| 7/4 07:10 | 57.5 | ↑0.8 | |
| 7/4 07:20 | 58.4 | ↑0.9 | |
| 7/4 07:30 | 59.4 | ↑1.0 | |
| 7/4 07:40 | 60.6 | ↑1.2 | |
| 7/4 07:50 | 61.8 | ↑1.2 | |
| 7/4 08:00 | 63.2 | ↑1.4 | |
| 7/4 08:10 | 64.6 | ↑1.4 | |
| 7/4 08:20 | 66.1 | ↑1.5 | |
| 7/4 08:30 | 67.6 | ↑1.5 | |
| 7/4 08:40 | 69.2 | ↑1.6 | |
| 7/4 08:50 | 70.8 | ↑1.6 | |
| 7/4 09:00 | 72.4 | ↑1.6 | |
| 7/4 09:10 | 74.1 | ↑1.7 | |
| 7/4 09:20 | 75.7 | ↑1.6 | |
| 7/4 09:30 | 77.3 | ↑1.6 | |
| 7/4 09:40 | 78.8 | ↑1.5 | |
| 7/4 09:50 | 80.3 | ↑1.5 | |
| 7/4 10:00 | 81.8 | ↑1.5 | |
| 7/4 10:10 | 83.1 | ↑1.3 | |
| 7/4 10:20 | 84.4 | ↑1.3 | |
| 7/4 10:30 | 85.6 | ↑1.2 | |
| 7/4 10:40 | 86.7 | ↑1.1 | |
| 7/4 10:50 | 87.7 | ↑1.0 | |
| 7/4 11:00 | 88.6 | ↑0.9 | |
| 7/4 11:10 | 89.3 | ↑0.7 | |
| 7/4 11:20 | 90.0 | ↑0.7 | |
| 7/4 11:30 | 90.5 | ↑0.5 | |
| 7/4 11:40 | 90.9 | ↑0.4 | |
| 7/4 11:50 | 91.1 | ↑0.2 | |
| 7/4 12:00 | 91.3 | ↑0.2 | 満潮 |
| 7/4 12:10 | 91.3 | 0 | |
| 7/4 12:20 | 91.3 | 0 | |
| 7/4 12:30 | 91.1 | ↓-0.2 | |
| 7/4 12:40 | 90.8 | ↓-0.3 | |
| 7/4 12:50 | 90.4 | ↓-0.4 | |
| 7/4 13:00 | 89.9 | ↓-0.5 | |
| 7/4 13:10 | 89.3 | ↓-0.6 | |
| 7/4 13:20 | 88.7 | ↓-0.6 | |
| 7/4 13:30 | 88.0 | ↓-0.7 | |
| 7/4 13:40 | 87.2 | ↓-0.8 | |
| 7/4 13:50 | 86.4 | ↓-0.8 | |
| 7/4 14:00 | 85.6 | ↓-0.8 | |
| 7/4 14:10 | 84.7 | ↓-0.9 | |
| 7/4 14:20 | 83.8 | ↓-0.9 | |
| 7/4 14:30 | 82.9 | ↓-0.9 | |
| 7/4 14:40 | 82.0 | ↓-0.9 | |
| 7/4 14:50 | 81.1 | ↓-0.9 | |
| 7/4 15:00 | 80.2 | ↓-0.9 | |
| 7/4 15:10 | 79.4 | ↓-0.8 | |
| 7/4 15:20 | 78.6 | ↓-0.8 | |
| 7/4 15:30 | 77.8 | ↓-0.8 | |
| 7/4 15:40 | 77.1 | ↓-0.7 | |
| 7/4 15:50 | 76.4 | ↓-0.7 | |
| 7/4 16:00 | 75.8 | ↓-0.6 | |
| 7/4 16:10 | 75.3 | ↓-0.5 | |
| 7/4 16:20 | 74.9 | ↓-0.4 | |
| 7/4 16:30 | 74.5 | ↓-0.4 | |
| 7/4 16:40 | 74.3 | ↓-0.2 | |
| 7/4 16:50 | 74.1 | ↓-0.2 | |
| 7/4 17:00 | 74.1 | 0 | 干潮 |
| 7/4 17:10 | 74.1 | 0 | |
| 7/4 17:20 | 74.3 | ↑0.2 | |
| 7/4 17:30 | 74.5 | ↑0.2 | |
| 7/4 17:40 | 74.9 | ↑0.4 | |
| 7/4 17:50 | 75.4 | ↑0.5 | |
| 7/4 18:00 | 76.1 | ↑0.7 | |
| 7/4 18:10 | 76.8 | ↑0.7 | |
| 7/4 18:20 | 77.7 | ↑0.9 | |
| 7/4 18:30 | 78.7 | ↑1.0 | |
| 7/4 18:40 | 79.8 | ↑1.1 | |
| 7/4 18:50 | 81.0 | ↑1.2 | |
| 7/4 19:00 | 82.3 | ↑1.3 | |
| 7/4 19:10 | 83.8 | ↑1.5 | |
| 7/4 19:20 | 85.3 | ↑1.5 | |
| 7/4 19:30 | 86.9 | ↑1.6 | |
| 7/4 19:40 | 88.6 | ↑1.7 | |
| 7/4 19:50 | 90.4 | ↑1.8 | |
| 7/4 20:00 | 92.2 | ↑1.8 | |
| 7/4 20:10 | 94.1 | ↑1.9 | |
| 7/4 20:20 | 96.0 | ↑1.9 | |
| 7/4 20:30 | 97.9 | ↑1.9 | |
| 7/4 20:40 | 99.9 | ↑2.0 | |
| 7/4 20:50 | 101.8 | ↑1.9 | |
| 7/4 21:00 | 103.8 | ↑2.0 | |
| 7/4 21:10 | 105.7 | ↑1.9 | |
| 7/4 21:20 | 107.5 | ↑1.8 | |
| 7/4 21:30 | 109.3 | ↑1.8 | |
| 7/4 21:40 | 111.1 | ↑1.8 | |
| 7/4 21:50 | 112.7 | ↑1.6 | |
| 7/4 22:00 | 114.2 | ↑1.5 | |
| 7/4 22:10 | 115.6 | ↑1.4 | |
| 7/4 22:20 | 116.9 | ↑1.3 | |
| 7/4 22:30 | 118.1 | ↑1.2 | |
| 7/4 22:40 | 119.1 | ↑1.0 | |
| 7/4 22:50 | 119.9 | ↑0.8 | |
| 7/4 23:00 | 120.6 | ↑0.7 | |
| 7/4 23:10 | 121.1 | ↑0.5 | |
| 7/4 23:20 | 121.4 | ↑0.3 | |
| 7/4 23:30 | 121.6 | ↑0.2 | 満潮 |
| 7/4 23:40 | 121.5 | ↓-0.1 | |
| 7/4 23:50 | 121.3 | ↓-0.2 |