| 満潮 | 干潮 | 満潮 | 干潮 |
|
20
(水) |
04:37 | 12:22 | 20:14 | - |
| 121cm | -10cm | 111cm | - | |
|
||||
那珂湊（茨城）2026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 | 91.6 | ↑0.3 | |
| 5/20 00:10 | 92.0 | ↑0.4 | |
| 5/20 00:20 | 92.6 | ↑0.6 | |
| 5/20 00:30 | 93.3 | ↑0.7 | |
| 5/20 00:40 | 94.1 | ↑0.8 | |
| 5/20 00:50 | 95.1 | ↑1.0 | |
| 5/20 01:00 | 96.2 | ↑1.1 | |
| 5/20 01:10 | 97.3 | ↑1.1 | |
| 5/20 01:20 | 98.6 | ↑1.3 | |
| 5/20 01:30 | 99.9 | ↑1.3 | |
| 5/20 01:40 | 101.3 | ↑1.4 | |
| 5/20 01:50 | 102.7 | ↑1.4 | |
| 5/20 02:00 | 104.2 | ↑1.5 | |
| 5/20 02:10 | 105.7 | ↑1.5 | |
| 5/20 02:20 | 107.1 | ↑1.4 | |
| 5/20 02:30 | 108.6 | ↑1.5 | |
| 5/20 02:40 | 110.1 | ↑1.5 | |
| 5/20 02:50 | 111.5 | ↑1.4 | |
| 5/20 03:00 | 112.9 | ↑1.4 | |
| 5/20 03:10 | 114.1 | ↑1.2 | |
| 5/20 03:20 | 115.3 | ↑1.2 | |
| 5/20 03:30 | 116.4 | ↑1.1 | |
| 5/20 03:40 | 117.4 | ↑1.0 | |
| 5/20 03:50 | 118.3 | ↑0.9 | |
| 5/20 04:00 | 119.0 | ↑0.7 | |
| 5/20 04:10 | 119.6 | ↑0.6 | |
| 5/20 04:20 | 120.0 | ↑0.4 | |
| 5/20 04:30 | 120.2 | ↑0.2 | 満潮 |
| 5/20 04:40 | 120.2 | 0 | |
| 5/20 04:50 | 120.0 | ↓-0.2 | |
| 5/20 05:00 | 119.7 | ↓-0.3 | |
| 5/20 05:10 | 119.0 | ↓-0.7 | |
| 5/20 05:20 | 118.2 | ↓-0.8 | |
| 5/20 05:30 | 117.1 | ↓-1.1 | |
| 5/20 05:40 | 115.8 | ↓-1.3 | |
| 5/20 05:50 | 114.2 | ↓-1.6 | |
| 5/20 06:00 | 112.4 | ↓-1.8 | |
| 5/20 06:10 | 110.4 | ↓-2.0 | |
| 5/20 06:20 | 108.0 | ↓-2.4 | |
| 5/20 06:30 | 105.5 | ↓-2.5 | |
| 5/20 06:40 | 102.7 | ↓-2.8 | |
| 5/20 06:50 | 99.7 | ↓-3.0 | |
| 5/20 07:00 | 96.4 | ↓-3.3 | |
| 5/20 07:10 | 92.9 | ↓-3.5 | |
| 5/20 07:20 | 89.3 | ↓-3.6 | |
| 5/20 07:30 | 85.4 | ↓-3.9 | |
| 5/20 07:40 | 81.4 | ↓-4.0 | |
| 5/20 07:50 | 77.2 | ↓-4.2 | |
| 5/20 08:00 | 72.9 | ↓-4.3 | |
| 5/20 08:10 | 68.5 | ↓-4.4 | |
| 5/20 08:20 | 63.9 | ↓-4.6 | |
| 5/20 08:30 | 59.4 | ↓-4.5 | |
| 5/20 08:40 | 54.7 | ↓-4.7 | 最大潮位差 |
| 5/20 08:50 | 50.1 | ↓-4.6 | |
| 5/20 09:00 | 45.5 | ↓-4.6 | |
| 5/20 09:10 | 40.9 | ↓-4.6 | |
| 5/20 09:20 | 36.3 | ↓-4.6 | |
| 5/20 09:30 | 31.9 | ↓-4.4 | |
| 5/20 09:40 | 27.5 | ↓-4.4 | |
| 5/20 09:50 | 23.3 | ↓-4.2 | |
| 5/20 10:00 | 19.3 | ↓-4.0 | |
| 5/20 10:10 | 15.4 | ↓-3.9 | |
| 5/20 10:20 | 11.8 | ↓-3.6 | |
| 5/20 10:30 | 8.4 | ↓-3.4 | |
| 5/20 10:40 | 5.2 | ↓-3.2 | |
| 5/20 10:50 | 2.2 | ↓-3.0 | |
| 5/20 11:00 | -0.4 | ↓-2.6 | |
| 5/20 11:10 | -2.8 | ↓-2.4 | |
| 5/20 11:20 | -4.9 | ↓-2.1 | |
| 5/20 11:30 | -6.6 | ↓-1.7 | |
| 5/20 11:40 | -8.1 | ↓-1.5 | |
| 5/20 11:50 | -9.2 | ↓-1.1 | |
| 5/20 12:00 | -10.0 | ↓-0.8 | |
| 5/20 12:10 | -10.5 | ↓-0.5 | |
| 5/20 12:20 | -10.7 | ↓-0.2 | 干潮 |
| 5/20 12:30 | -10.6 | ↑0.1 | |
| 5/20 12:40 | -10.1 | ↑0.5 | |
| 5/20 12:50 | -9.4 | ↑0.7 | |
| 5/20 13:00 | -8.3 | ↑1.1 | |
| 5/20 13:10 | -7.0 | ↑1.3 | |
| 5/20 13:20 | -5.4 | ↑1.6 | |
| 5/20 13:30 | -3.5 | ↑1.9 | |
| 5/20 13:40 | -1.3 | ↑2.2 | |
| 5/20 13:50 | 1.1 | ↑2.4 | |
| 5/20 14:00 | 3.7 | ↑2.6 | |
| 5/20 14:10 | 6.6 | ↑2.9 | |
| 5/20 14:20 | 9.6 | ↑3.0 | |
| 5/20 14:30 | 12.8 | ↑3.2 | |
| 5/20 14:40 | 16.2 | ↑3.4 | |
| 5/20 14:50 | 19.8 | ↑3.6 | |
| 5/20 15:00 | 23.5 | ↑3.7 | |
| 5/20 15:10 | 27.3 | ↑3.8 | |
| 5/20 15:20 | 31.1 | ↑3.8 | |
| 5/20 15:30 | 35.1 | ↑4.0 | |
| 5/20 15:40 | 39.2 | ↑4.1 | |
| 5/20 15:50 | 43.2 | ↑4.0 | |
| 5/20 16:00 | 47.3 | ↑4.1 | |
| 5/20 16:10 | 51.4 | ↑4.1 | |
| 5/20 16:20 | 55.5 | ↑4.1 | |
| 5/20 16:30 | 59.6 | ↑4.1 | |
| 5/20 16:40 | 63.6 | ↑4.0 | |
| 5/20 16:50 | 67.5 | ↑3.9 | |
| 5/20 17:00 | 71.4 | ↑3.9 | |
| 5/20 17:10 | 75.1 | ↑3.7 | |
| 5/20 17:20 | 78.8 | ↑3.7 | |
| 5/20 17:30 | 82.2 | ↑3.4 | |
| 5/20 17:40 | 85.6 | ↑3.4 | |
| 5/20 17:50 | 88.7 | ↑3.1 | |
| 5/20 18:00 | 91.7 | ↑3.0 | |
| 5/20 18:10 | 94.5 | ↑2.8 | |
| 5/20 18:20 | 97.1 | ↑2.6 | |
| 5/20 18:30 | 99.5 | ↑2.4 | |
| 5/20 18:40 | 101.6 | ↑2.1 | |
| 5/20 18:50 | 103.6 | ↑2.0 | |
| 5/20 19:00 | 105.3 | ↑1.7 | |
| 5/20 19:10 | 106.7 | ↑1.4 | |
| 5/20 19:20 | 108.0 | ↑1.3 | |
| 5/20 19:30 | 109.0 | ↑1.0 | |
| 5/20 19:40 | 109.8 | ↑0.8 | |
| 5/20 19:50 | 110.3 | ↑0.5 | |
| 5/20 20:00 | 110.7 | ↑0.4 | |
| 5/20 20:10 | 110.8 | ↑0.1 | 満潮 |
| 5/20 20:20 | 110.8 | 0 | |
| 5/20 20:30 | 110.6 | ↓-0.2 | |
| 5/20 20:40 | 110.2 | ↓-0.4 | |
| 5/20 20:50 | 109.7 | ↓-0.5 | |
| 5/20 21:00 | 109.0 | ↓-0.7 | |
| 5/20 21:10 | 108.2 | ↓-0.8 | |
| 5/20 21:20 | 107.3 | ↓-0.9 | |
| 5/20 21:30 | 106.4 | ↓-0.9 | |
| 5/20 21:40 | 105.4 | ↓-1.0 | |
| 5/20 21:50 | 104.3 | ↓-1.1 | |
| 5/20 22:00 | 103.2 | ↓-1.1 | |
| 5/20 22:10 | 102.1 | ↓-1.1 | |
| 5/20 22:20 | 101.0 | ↓-1.1 | |
| 5/20 22:30 | 100.0 | ↓-1.0 | |
| 5/20 22:40 | 98.9 | ↓-1.1 | |
| 5/20 22:50 | 98.0 | ↓-0.9 | |
| 5/20 23:00 | 97.1 | ↓-0.9 | |
| 5/20 23:10 | 96.3 | ↓-0.8 | |
| 5/20 23:20 | 95.6 | ↓-0.7 | |
| 5/20 23:30 | 94.9 | ↓-0.7 | |
| 5/20 23:40 | 94.4 | ↓-0.5 | |
| 5/20 23:50 | 94.0 | ↓-0.4 |