| 満潮 | 干潮 | 満潮 | 干潮 |
|
20
(土) |
05:40 | 00:40 | 21:15 | 13:21 |
| 109cm | 86cm | 105cm | 10cm | |
|
||||
那珂湊（茨城）2056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 | 86.9 | ↓-0.5 | |
| 5/20 00:10 | 86.5 | ↓-0.4 | |
| 5/20 00:20 | 86.2 | ↓-0.3 | |
| 5/20 00:30 | 86.0 | ↓-0.2 | 干潮 |
| 5/20 00:40 | 86.0 | 0 | 干潮 |
| 5/20 00:50 | 86.1 | ↑0.1 | |
| 5/20 01:00 | 86.3 | ↑0.2 | |
| 5/20 01:10 | 86.6 | ↑0.3 | |
| 5/20 01:20 | 87.0 | ↑0.4 | |
| 5/20 01:30 | 87.6 | ↑0.6 | |
| 5/20 01:40 | 88.2 | ↑0.6 | |
| 5/20 01:50 | 89.0 | ↑0.8 | |
| 5/20 02:00 | 89.8 | ↑0.8 | |
| 5/20 02:10 | 90.7 | ↑0.9 | |
| 5/20 02:20 | 91.7 | ↑1.0 | |
| 5/20 02:30 | 92.7 | ↑1.0 | |
| 5/20 02:40 | 93.8 | ↑1.1 | |
| 5/20 02:50 | 94.9 | ↑1.1 | |
| 5/20 03:00 | 96.0 | ↑1.1 | |
| 5/20 03:10 | 97.2 | ↑1.2 | |
| 5/20 03:20 | 98.3 | ↑1.1 | |
| 5/20 03:30 | 99.4 | ↑1.1 | |
| 5/20 03:40 | 100.5 | ↑1.1 | |
| 5/20 03:50 | 101.6 | ↑1.1 | |
| 5/20 04:00 | 102.6 | ↑1.0 | |
| 5/20 04:10 | 103.6 | ↑1.0 | |
| 5/20 04:20 | 104.5 | ↑0.9 | |
| 5/20 04:30 | 105.4 | ↑0.9 | |
| 5/20 04:40 | 106.1 | ↑0.7 | |
| 5/20 04:50 | 106.8 | ↑0.7 | |
| 5/20 05:00 | 107.3 | ↑0.5 | |
| 5/20 05:10 | 107.8 | ↑0.5 | |
| 5/20 05:20 | 108.1 | ↑0.3 | |
| 5/20 05:30 | 108.3 | ↑0.2 | 満潮 |
| 5/20 05:40 | 108.3 | 0 | 満潮 |
| 5/20 05:50 | 108.2 | ↓-0.1 | |
| 5/20 06:00 | 108.0 | ↓-0.2 | |
| 5/20 06:10 | 107.6 | ↓-0.4 | |
| 5/20 06:20 | 107.0 | ↓-0.6 | |
| 5/20 06:30 | 106.3 | ↓-0.7 | |
| 5/20 06:40 | 105.4 | ↓-0.9 | |
| 5/20 06:50 | 104.3 | ↓-1.1 | |
| 5/20 07:00 | 103.0 | ↓-1.3 | |
| 5/20 07:10 | 101.5 | ↓-1.5 | |
| 5/20 07:20 | 99.9 | ↓-1.6 | |
| 5/20 07:30 | 98.0 | ↓-1.9 | |
| 5/20 07:40 | 96.0 | ↓-2.0 | |
| 5/20 07:50 | 93.8 | ↓-2.2 | |
| 5/20 08:00 | 91.4 | ↓-2.4 | |
| 5/20 08:10 | 88.9 | ↓-2.5 | |
| 5/20 08:20 | 86.2 | ↓-2.7 | |
| 5/20 08:30 | 83.4 | ↓-2.8 | |
| 5/20 08:40 | 80.4 | ↓-3.0 | |
| 5/20 08:50 | 77.3 | ↓-3.1 | |
| 5/20 09:00 | 74.0 | ↓-3.3 | |
| 5/20 09:10 | 70.7 | ↓-3.3 | |
| 5/20 09:20 | 67.3 | ↓-3.4 | |
| 5/20 09:30 | 63.8 | ↓-3.5 | |
| 5/20 09:40 | 60.3 | ↓-3.5 | |
| 5/20 09:50 | 56.8 | ↓-3.5 | |
| 5/20 10:00 | 53.2 | ↓-3.6 | 最大潮位差 |
| 5/20 10:10 | 49.7 | ↓-3.5 | |
| 5/20 10:20 | 46.2 | ↓-3.5 | |
| 5/20 10:30 | 42.7 | ↓-3.5 | |
| 5/20 10:40 | 39.4 | ↓-3.3 | |
| 5/20 10:50 | 36.1 | ↓-3.3 | |
| 5/20 11:00 | 33.0 | ↓-3.1 | |
| 5/20 11:10 | 30.0 | ↓-3.0 | |
| 5/20 11:20 | 27.1 | ↓-2.9 | |
| 5/20 11:30 | 24.4 | ↓-2.7 | |
| 5/20 11:40 | 21.9 | ↓-2.5 | |
| 5/20 11:50 | 19.6 | ↓-2.3 | |
| 5/20 12:00 | 17.6 | ↓-2.0 | |
| 5/20 12:10 | 15.7 | ↓-1.9 | |
| 5/20 12:20 | 14.1 | ↓-1.6 | |
| 5/20 12:30 | 12.7 | ↓-1.4 | |
| 5/20 12:40 | 11.6 | ↓-1.1 | |
| 5/20 12:50 | 10.7 | ↓-0.9 | |
| 5/20 13:00 | 10.0 | ↓-0.7 | |
| 5/20 13:10 | 9.7 | ↓-0.3 | |
| 5/20 13:20 | 9.5 | ↓-0.2 | 干潮 |
| 5/20 13:30 | 9.6 | ↑0.1 | |
| 5/20 13:40 | 10.0 | ↑0.4 | |
| 5/20 13:50 | 10.6 | ↑0.6 | |
| 5/20 14:00 | 11.4 | ↑0.8 | |
| 5/20 14:10 | 12.5 | ↑1.1 | |
| 5/20 14:20 | 13.8 | ↑1.3 | |
| 5/20 14:30 | 15.2 | ↑1.4 | |
| 5/20 14:40 | 16.9 | ↑1.7 | |
| 5/20 14:50 | 18.8 | ↑1.9 | |
| 5/20 15:00 | 20.8 | ↑2.0 | |
| 5/20 15:10 | 23.0 | ↑2.2 | |
| 5/20 15:20 | 25.3 | ↑2.3 | |
| 5/20 15:30 | 27.8 | ↑2.5 | |
| 5/20 15:40 | 30.4 | ↑2.6 | |
| 5/20 15:50 | 33.1 | ↑2.7 | |
| 5/20 16:00 | 35.9 | ↑2.8 | |
| 5/20 16:10 | 38.8 | ↑2.9 | |
| 5/20 16:20 | 41.8 | ↑3.0 | |
| 5/20 16:30 | 44.8 | ↑3.0 | |
| 5/20 16:40 | 47.9 | ↑3.1 | |
| 5/20 16:50 | 51.0 | ↑3.1 | |
| 5/20 17:00 | 54.1 | ↑3.1 | |
| 5/20 17:10 | 57.3 | ↑3.2 | |
| 5/20 17:20 | 60.4 | ↑3.1 | |
| 5/20 17:30 | 63.5 | ↑3.1 | |
| 5/20 17:40 | 66.6 | ↑3.1 | |
| 5/20 17:50 | 69.6 | ↑3.0 | |
| 5/20 18:00 | 72.6 | ↑3.0 | |
| 5/20 18:10 | 75.5 | ↑2.9 | |
| 5/20 18:20 | 78.3 | ↑2.8 | |
| 5/20 18:30 | 81.0 | ↑2.7 | |
| 5/20 18:40 | 83.6 | ↑2.6 | |
| 5/20 18:50 | 86.1 | ↑2.5 | |
| 5/20 19:00 | 88.5 | ↑2.4 | |
| 5/20 19:10 | 90.7 | ↑2.2 | |
| 5/20 19:20 | 92.7 | ↑2.0 | |
| 5/20 19:30 | 94.6 | ↑1.9 | |
| 5/20 19:40 | 96.4 | ↑1.8 | |
| 5/20 19:50 | 97.9 | ↑1.5 | |
| 5/20 20:00 | 99.3 | ↑1.4 | |
| 5/20 20:10 | 100.6 | ↑1.3 | |
| 5/20 20:20 | 101.6 | ↑1.0 | |
| 5/20 20:30 | 102.4 | ↑0.8 | |
| 5/20 20:40 | 103.1 | ↑0.7 | |
| 5/20 20:50 | 103.6 | ↑0.5 | |
| 5/20 21:00 | 103.9 | ↑0.3 | |
| 5/20 21:10 | 104.1 | ↑0.2 | 満潮 |
| 5/20 21:20 | 104.0 | ↓-0.1 | |
| 5/20 21:30 | 103.9 | ↓-0.1 | |
| 5/20 21:40 | 103.6 | ↓-0.3 | |
| 5/20 21:50 | 103.1 | ↓-0.5 | |
| 5/20 22:00 | 102.6 | ↓-0.5 | |
| 5/20 22:10 | 101.9 | ↓-0.7 | |
| 5/20 22:20 | 101.2 | ↓-0.7 | |
| 5/20 22:30 | 100.3 | ↓-0.9 | |
| 5/20 22:40 | 99.4 | ↓-0.9 | |
| 5/20 22:50 | 98.5 | ↓-0.9 | |
| 5/20 23:00 | 97.5 | ↓-1.0 | |
| 5/20 23:10 | 96.5 | ↓-1.0 | |
| 5/20 23:20 | 95.5 | ↓-1.0 | |
| 5/20 23:30 | 94.6 | ↓-0.9 | |
| 5/20 23:40 | 93.6 | ↓-1.0 | |
| 5/20 23:50 | 92.7 | ↓-0.9 |