| 満潮 | 干潮 | 満潮 | 干潮 |
|
20
(日) |
13:25 | 05:44 | 22:46 | 16:53 |
| 105cm | 38cm | 127cm | 99cm | |
|
||||
那珂湊（茨城）2025年07月20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 |
|---|---|---|---|
| 7/20 00:00 | 109.3 | ↓-2.1 | |
| 7/20 00:10 | 107.0 | ↓-2.3 | |
| 7/20 00:20 | 104.7 | ↓-2.3 | |
| 7/20 00:30 | 102.2 | ↓-2.5 | |
| 7/20 00:40 | 99.6 | ↓-2.6 | |
| 7/20 00:50 | 96.9 | ↓-2.7 | |
| 7/20 01:00 | 94.2 | ↓-2.7 | |
| 7/20 01:10 | 91.4 | ↓-2.8 | |
| 7/20 01:20 | 88.5 | ↓-2.9 | 最大潮位差 |
| 7/20 01:30 | 85.6 | ↓-2.9 | 最大潮位差 |
| 7/20 01:40 | 82.7 | ↓-2.9 | 最大潮位差 |
| 7/20 01:50 | 79.8 | ↓-2.9 | 最大潮位差 |
| 7/20 02:00 | 76.9 | ↓-2.9 | 最大潮位差 |
| 7/20 02:10 | 74.0 | ↓-2.9 | 最大潮位差 |
| 7/20 02:20 | 71.2 | ↓-2.8 | |
| 7/20 02:30 | 68.4 | ↓-2.8 | |
| 7/20 02:40 | 65.7 | ↓-2.7 | |
| 7/20 02:50 | 63.0 | ↓-2.7 | |
| 7/20 03:00 | 60.5 | ↓-2.5 | |
| 7/20 03:10 | 58.0 | ↓-2.5 | |
| 7/20 03:20 | 55.6 | ↓-2.4 | |
| 7/20 03:30 | 53.4 | ↓-2.2 | |
| 7/20 03:40 | 51.2 | ↓-2.2 | |
| 7/20 03:50 | 49.2 | ↓-2.0 | |
| 7/20 04:00 | 47.4 | ↓-1.8 | |
| 7/20 04:10 | 45.7 | ↓-1.7 | |
| 7/20 04:20 | 44.1 | ↓-1.6 | |
| 7/20 04:30 | 42.8 | ↓-1.3 | |
| 7/20 04:40 | 41.5 | ↓-1.3 | |
| 7/20 04:50 | 40.5 | ↓-1.0 | |
| 7/20 05:00 | 39.6 | ↓-0.9 | |
| 7/20 05:10 | 38.9 | ↓-0.7 | |
| 7/20 05:20 | 38.4 | ↓-0.5 | |
| 7/20 05:30 | 38.1 | ↓-0.3 | |
| 7/20 05:40 | 37.9 | ↓-0.2 | 干潮 |
| 7/20 05:50 | 38.0 | ↑0.1 | |
| 7/20 06:00 | 38.2 | ↑0.2 | |
| 7/20 06:10 | 38.6 | ↑0.4 | |
| 7/20 06:20 | 39.1 | ↑0.5 | |
| 7/20 06:30 | 39.9 | ↑0.8 | |
| 7/20 06:40 | 40.8 | ↑0.9 | |
| 7/20 06:50 | 41.9 | ↑1.1 | |
| 7/20 07:00 | 43.1 | ↑1.2 | |
| 7/20 07:10 | 44.5 | ↑1.4 | |
| 7/20 07:20 | 46.1 | ↑1.6 | |
| 7/20 07:30 | 47.8 | ↑1.7 | |
| 7/20 07:40 | 49.6 | ↑1.8 | |
| 7/20 07:50 | 51.5 | ↑1.9 | |
| 7/20 08:00 | 53.6 | ↑2.1 | |
| 7/20 08:10 | 55.7 | ↑2.1 | |
| 7/20 08:20 | 57.9 | ↑2.2 | |
| 7/20 08:30 | 60.2 | ↑2.3 | |
| 7/20 08:40 | 62.5 | ↑2.3 | |
| 7/20 08:50 | 64.9 | ↑2.4 | |
| 7/20 09:00 | 67.2 | ↑2.3 | |
| 7/20 09:10 | 69.7 | ↑2.5 | |
| 7/20 09:20 | 72.1 | ↑2.4 | |
| 7/20 09:30 | 74.4 | ↑2.3 | |
| 7/20 09:40 | 76.8 | ↑2.4 | |
| 7/20 09:50 | 79.1 | ↑2.3 | |
| 7/20 10:00 | 81.4 | ↑2.3 | |
| 7/20 10:10 | 83.6 | ↑2.2 | |
| 7/20 10:20 | 85.7 | ↑2.1 | |
| 7/20 10:30 | 87.7 | ↑2.0 | |
| 7/20 10:40 | 89.7 | ↑2.0 | |
| 7/20 10:50 | 91.5 | ↑1.8 | |
| 7/20 11:00 | 93.2 | ↑1.7 | |
| 7/20 11:10 | 94.8 | ↑1.6 | |
| 7/20 11:20 | 96.3 | ↑1.5 | |
| 7/20 11:30 | 97.7 | ↑1.4 | |
| 7/20 11:40 | 98.9 | ↑1.2 | |
| 7/20 11:50 | 100.0 | ↑1.1 | |
| 7/20 12:00 | 101.0 | ↑1.0 | |
| 7/20 12:10 | 101.8 | ↑0.8 | |
| 7/20 12:20 | 102.5 | ↑0.7 | |
| 7/20 12:30 | 103.1 | ↑0.6 | |
| 7/20 12:40 | 103.6 | ↑0.5 | |
| 7/20 12:50 | 104.0 | ↑0.4 | |
| 7/20 13:00 | 104.2 | ↑0.2 | |
| 7/20 13:10 | 104.4 | ↑0.2 | |
| 7/20 13:20 | 104.5 | ↑0.1 | 満潮 |
| 7/20 13:30 | 104.5 | 0 | |
| 7/20 13:40 | 104.4 | ↓-0.1 | |
| 7/20 13:50 | 104.2 | ↓-0.2 | |
| 7/20 14:00 | 104.0 | ↓-0.2 | |
| 7/20 14:10 | 103.7 | ↓-0.3 | |
| 7/20 14:20 | 103.4 | ↓-0.3 | |
| 7/20 14:30 | 103.1 | ↓-0.3 | |
| 7/20 14:40 | 102.7 | ↓-0.4 | |
| 7/20 14:50 | 102.3 | ↓-0.4 | |
| 7/20 15:00 | 101.9 | ↓-0.4 | |
| 7/20 15:10 | 101.5 | ↓-0.4 | |
| 7/20 15:20 | 101.1 | ↓-0.4 | |
| 7/20 15:30 | 100.7 | ↓-0.4 | |
| 7/20 15:40 | 100.4 | ↓-0.3 | |
| 7/20 15:50 | 100.0 | ↓-0.4 | |
| 7/20 16:00 | 99.7 | ↓-0.3 | |
| 7/20 16:10 | 99.5 | ↓-0.2 | |
| 7/20 16:20 | 99.2 | ↓-0.3 | |
| 7/20 16:30 | 99.1 | ↓-0.1 | |
| 7/20 16:40 | 99.0 | ↓-0.1 | |
| 7/20 16:50 | 98.9 | ↓-0.1 | 干潮 |
| 7/20 17:00 | 98.9 | 0 | |
| 7/20 17:10 | 99.0 | ↑0.1 | |
| 7/20 17:20 | 99.2 | ↑0.2 | |
| 7/20 17:30 | 99.4 | ↑0.2 | |
| 7/20 17:40 | 99.7 | ↑0.3 | |
| 7/20 17:50 | 100.1 | ↑0.4 | |
| 7/20 18:00 | 100.6 | ↑0.5 | |
| 7/20 18:10 | 101.2 | ↑0.6 | |
| 7/20 18:20 | 101.8 | ↑0.6 | |
| 7/20 18:30 | 102.5 | ↑0.7 | |
| 7/20 18:40 | 103.3 | ↑0.8 | |
| 7/20 18:50 | 104.2 | ↑0.9 | |
| 7/20 19:00 | 105.1 | ↑0.9 | |
| 7/20 19:10 | 106.1 | ↑1.0 | |
| 7/20 19:20 | 107.1 | ↑1.0 | |
| 7/20 19:30 | 108.2 | ↑1.1 | |
| 7/20 19:40 | 109.4 | ↑1.2 | |
| 7/20 19:50 | 110.6 | ↑1.2 | |
| 7/20 20:00 | 111.8 | ↑1.2 | |
| 7/20 20:10 | 113.0 | ↑1.2 | |
| 7/20 20:20 | 114.3 | ↑1.3 | |
| 7/20 20:30 | 115.5 | ↑1.2 | |
| 7/20 20:40 | 116.8 | ↑1.3 | |
| 7/20 20:50 | 118.0 | ↑1.2 | |
| 7/20 21:00 | 119.2 | ↑1.2 | |
| 7/20 21:10 | 120.3 | ↑1.1 | |
| 7/20 21:20 | 121.3 | ↑1.0 | |
| 7/20 21:30 | 122.3 | ↑1.0 | |
| 7/20 21:40 | 123.2 | ↑0.9 | |
| 7/20 21:50 | 124.0 | ↑0.8 | |
| 7/20 22:00 | 124.7 | ↑0.7 | |
| 7/20 22:10 | 125.3 | ↑0.6 | |
| 7/20 22:20 | 125.8 | ↑0.5 | |
| 7/20 22:30 | 126.1 | ↑0.3 | |
| 7/20 22:40 | 126.2 | ↑0.1 | 満潮 |
| 7/20 22:50 | 126.2 | 0 | |
| 7/20 23:00 | 126.0 | ↓-0.2 | |
| 7/20 23:10 | 125.7 | ↓-0.3 | |
| 7/20 23:20 | 125.2 | ↓-0.5 | |
| 7/20 23:30 | 124.5 | ↓-0.7 | |
| 7/20 23:40 | 123.6 | ↓-0.9 | |
| 7/20 23:50 | 122.5 | ↓-1.1 |