| 満潮 | 干潮 | 満潮 | 干潮 |
|
20
(月) |
02:04 | 08:40 | 15:10 | 20:45 |
| 114cm | 23cm | 109cm | 53cm | |
|
||||
那珂湊（茨城）2058年05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 |
|---|---|---|---|
| 5/20 00:00 | 95.6 | ↑2.7 | |
| 5/20 00:10 | 98.1 | ↑2.5 | |
| 5/20 00:20 | 100.5 | ↑2.4 | |
| 5/20 00:30 | 102.7 | ↑2.2 | |
| 5/20 00:40 | 104.8 | ↑2.1 | |
| 5/20 00:50 | 106.6 | ↑1.8 | |
| 5/20 01:00 | 108.3 | ↑1.7 | |
| 5/20 01:10 | 109.8 | ↑1.5 | |
| 5/20 01:20 | 111.0 | ↑1.2 | |
| 5/20 01:30 | 111.9 | ↑0.9 | |
| 5/20 01:40 | 112.7 | ↑0.8 | |
| 5/20 01:50 | 113.2 | ↑0.5 | |
| 5/20 02:00 | 113.4 | ↑0.2 | 満潮 |
| 5/20 02:10 | 113.3 | ↓-0.1 | |
| 5/20 02:20 | 113.0 | ↓-0.3 | |
| 5/20 02:30 | 112.4 | ↓-0.6 | |
| 5/20 02:40 | 111.6 | ↓-0.8 | |
| 5/20 02:50 | 110.4 | ↓-1.2 | |
| 5/20 03:00 | 109.1 | ↓-1.3 | |
| 5/20 03:10 | 107.4 | ↓-1.7 | |
| 5/20 03:20 | 105.6 | ↓-1.8 | |
| 5/20 03:30 | 103.5 | ↓-2.1 | |
| 5/20 03:40 | 101.1 | ↓-2.4 | |
| 5/20 03:50 | 98.6 | ↓-2.5 | |
| 5/20 04:00 | 95.9 | ↓-2.7 | |
| 5/20 04:10 | 93.0 | ↓-2.9 | |
| 5/20 04:20 | 89.9 | ↓-3.1 | |
| 5/20 04:30 | 86.7 | ↓-3.2 | |
| 5/20 04:40 | 83.4 | ↓-3.3 | |
| 5/20 04:50 | 79.9 | ↓-3.5 | |
| 5/20 05:00 | 76.4 | ↓-3.5 | |
| 5/20 05:10 | 72.9 | ↓-3.5 | |
| 5/20 05:20 | 69.2 | ↓-3.7 | 最大潮位差 |
| 5/20 05:30 | 65.6 | ↓-3.6 | |
| 5/20 05:40 | 62.0 | ↓-3.6 | |
| 5/20 05:50 | 58.4 | ↓-3.6 | |
| 5/20 06:00 | 54.9 | ↓-3.5 | |
| 5/20 06:10 | 51.5 | ↓-3.4 | |
| 5/20 06:20 | 48.1 | ↓-3.4 | |
| 5/20 06:30 | 44.9 | ↓-3.2 | |
| 5/20 06:40 | 41.9 | ↓-3.0 | |
| 5/20 06:50 | 39.0 | ↓-2.9 | |
| 5/20 07:00 | 36.3 | ↓-2.7 | |
| 5/20 07:10 | 33.7 | ↓-2.6 | |
| 5/20 07:20 | 31.5 | ↓-2.2 | |
| 5/20 07:30 | 29.4 | ↓-2.1 | |
| 5/20 07:40 | 27.6 | ↓-1.8 | |
| 5/20 07:50 | 26.1 | ↓-1.5 | |
| 5/20 08:00 | 24.8 | ↓-1.3 | |
| 5/20 08:10 | 23.8 | ↓-1.0 | |
| 5/20 08:20 | 23.1 | ↓-0.7 | |
| 5/20 08:30 | 22.7 | ↓-0.4 | 干潮 |
| 5/20 08:40 | 22.6 | ↓-0.1 | 干潮 |
| 5/20 08:50 | 22.8 | ↑0.2 | |
| 5/20 09:00 | 23.2 | ↑0.4 | |
| 5/20 09:10 | 24.0 | ↑0.8 | |
| 5/20 09:20 | 25.0 | ↑1.0 | |
| 5/20 09:30 | 26.3 | ↑1.3 | |
| 5/20 09:40 | 27.9 | ↑1.6 | |
| 5/20 09:50 | 29.8 | ↑1.9 | |
| 5/20 10:00 | 31.8 | ↑2.0 | |
| 5/20 10:10 | 34.1 | ↑2.3 | |
| 5/20 10:20 | 36.6 | ↑2.5 | |
| 5/20 10:30 | 39.3 | ↑2.7 | |
| 5/20 10:40 | 42.2 | ↑2.9 | |
| 5/20 10:50 | 45.2 | ↑3.0 | |
| 5/20 11:00 | 48.4 | ↑3.2 | |
| 5/20 11:10 | 51.7 | ↑3.3 | |
| 5/20 11:20 | 55.0 | ↑3.3 | |
| 5/20 11:30 | 58.4 | ↑3.4 | |
| 5/20 11:40 | 61.9 | ↑3.5 | |
| 5/20 11:50 | 65.4 | ↑3.5 | |
| 5/20 12:00 | 68.9 | ↑3.5 | |
| 5/20 12:10 | 72.3 | ↑3.4 | |
| 5/20 12:20 | 75.7 | ↑3.4 | |
| 5/20 12:30 | 79.0 | ↑3.3 | |
| 5/20 12:40 | 82.3 | ↑3.3 | |
| 5/20 12:50 | 85.4 | ↑3.1 | |
| 5/20 13:00 | 88.4 | ↑3.0 | |
| 5/20 13:10 | 91.2 | ↑2.8 | |
| 5/20 13:20 | 93.9 | ↑2.7 | |
| 5/20 13:30 | 96.4 | ↑2.5 | |
| 5/20 13:40 | 98.7 | ↑2.3 | |
| 5/20 13:50 | 100.7 | ↑2.0 | |
| 5/20 14:00 | 102.6 | ↑1.9 | |
| 5/20 14:10 | 104.2 | ↑1.6 | |
| 5/20 14:20 | 105.6 | ↑1.4 | |
| 5/20 14:30 | 106.7 | ↑1.1 | |
| 5/20 14:40 | 107.6 | ↑0.9 | |
| 5/20 14:50 | 108.2 | ↑0.6 | |
| 5/20 15:00 | 108.5 | ↑0.3 | 満潮 |
| 5/20 15:10 | 108.6 | ↑0.1 | 満潮 |
| 5/20 15:20 | 108.5 | ↓-0.1 | |
| 5/20 15:30 | 108.1 | ↓-0.4 | |
| 5/20 15:40 | 107.4 | ↓-0.7 | |
| 5/20 15:50 | 106.5 | ↓-0.9 | |
| 5/20 16:00 | 105.4 | ↓-1.1 | |
| 5/20 16:10 | 104.0 | ↓-1.4 | |
| 5/20 16:20 | 102.5 | ↓-1.5 | |
| 5/20 16:30 | 100.8 | ↓-1.7 | |
| 5/20 16:40 | 98.9 | ↓-1.9 | |
| 5/20 16:50 | 96.8 | ↓-2.1 | |
| 5/20 17:00 | 94.6 | ↓-2.2 | |
| 5/20 17:10 | 92.3 | ↓-2.3 | |
| 5/20 17:20 | 89.8 | ↓-2.5 | |
| 5/20 17:30 | 87.3 | ↓-2.5 | |
| 5/20 17:40 | 84.8 | ↓-2.5 | |
| 5/20 17:50 | 82.2 | ↓-2.6 | |
| 5/20 18:00 | 79.6 | ↓-2.6 | |
| 5/20 18:10 | 77.0 | ↓-2.6 | |
| 5/20 18:20 | 74.4 | ↓-2.6 | |
| 5/20 18:30 | 71.9 | ↓-2.5 | |
| 5/20 18:40 | 69.5 | ↓-2.4 | |
| 5/20 18:50 | 67.1 | ↓-2.4 | |
| 5/20 19:00 | 64.9 | ↓-2.2 | |
| 5/20 19:10 | 62.8 | ↓-2.1 | |
| 5/20 19:20 | 60.9 | ↓-1.9 | |
| 5/20 19:30 | 59.1 | ↓-1.8 | |
| 5/20 19:40 | 57.5 | ↓-1.6 | |
| 5/20 19:50 | 56.2 | ↓-1.3 | |
| 5/20 20:00 | 55.0 | ↓-1.2 | |
| 5/20 20:10 | 54.1 | ↓-0.9 | |
| 5/20 20:20 | 53.4 | ↓-0.7 | |
| 5/20 20:30 | 52.9 | ↓-0.5 | |
| 5/20 20:40 | 52.7 | ↓-0.2 | 干潮 |
| 5/20 20:50 | 52.7 | 0 | |
| 5/20 21:00 | 53.0 | ↑0.3 | |
| 5/20 21:10 | 53.5 | ↑0.5 | |
| 5/20 21:20 | 54.2 | ↑0.7 | |
| 5/20 21:30 | 55.2 | ↑1.0 | |
| 5/20 21:40 | 56.5 | ↑1.3 | |
| 5/20 21:50 | 57.9 | ↑1.4 | |
| 5/20 22:00 | 59.6 | ↑1.7 | |
| 5/20 22:10 | 61.4 | ↑1.8 | |
| 5/20 22:20 | 63.5 | ↑2.1 | |
| 5/20 22:30 | 65.7 | ↑2.2 | |
| 5/20 22:40 | 68.1 | ↑2.4 | |
| 5/20 22:50 | 70.6 | ↑2.5 | |
| 5/20 23:00 | 73.2 | ↑2.6 | |
| 5/20 23:10 | 75.9 | ↑2.7 | |
| 5/20 23:20 | 78.7 | ↑2.8 | |
| 5/20 23:30 | 81.5 | ↑2.8 | |
| 5/20 23:40 | 84.4 | ↑2.9 | |
| 5/20 23:50 | 87.2 | ↑2.8 |