| 満潮 | 干潮 | 満潮 | 干潮 |
|
21
(火) |
05:12 | 12:36 | 20:07 | - |
| 118cm | -3cm | 111cm | - | |
|
||||
那珂湊（茨城）2030年05月21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 |
|---|---|---|---|
| 5/21 00:00 | 83.1 | 0 | |
| 5/21 00:10 | 83.2 | ↑0.1 | |
| 5/21 00:20 | 83.4 | ↑0.2 | |
| 5/21 00:30 | 83.9 | ↑0.5 | |
| 5/21 00:40 | 84.5 | ↑0.6 | |
| 5/21 00:50 | 85.2 | ↑0.7 | |
| 5/21 01:00 | 86.1 | ↑0.9 | |
| 5/21 01:10 | 87.1 | ↑1.0 | |
| 5/21 01:20 | 88.3 | ↑1.2 | |
| 5/21 01:30 | 89.5 | ↑1.2 | |
| 5/21 01:40 | 90.9 | ↑1.4 | |
| 5/21 01:50 | 92.3 | ↑1.4 | |
| 5/21 02:00 | 93.8 | ↑1.5 | |
| 5/21 02:10 | 95.4 | ↑1.6 | |
| 5/21 02:20 | 97.1 | ↑1.7 | |
| 5/21 02:30 | 98.7 | ↑1.6 | |
| 5/21 02:40 | 100.4 | ↑1.7 | |
| 5/21 02:50 | 102.1 | ↑1.7 | |
| 5/21 03:00 | 103.8 | ↑1.7 | |
| 5/21 03:10 | 105.5 | ↑1.7 | |
| 5/21 03:20 | 107.1 | ↑1.6 | |
| 5/21 03:30 | 108.6 | ↑1.5 | |
| 5/21 03:40 | 110.1 | ↑1.5 | |
| 5/21 03:50 | 111.5 | ↑1.4 | |
| 5/21 04:00 | 112.8 | ↑1.3 | |
| 5/21 04:10 | 113.9 | ↑1.1 | |
| 5/21 04:20 | 114.9 | ↑1.0 | |
| 5/21 04:30 | 115.8 | ↑0.9 | |
| 5/21 04:40 | 116.5 | ↑0.7 | |
| 5/21 04:50 | 117.1 | ↑0.6 | |
| 5/21 05:00 | 117.4 | ↑0.3 | |
| 5/21 05:10 | 117.5 | ↑0.1 | 満潮 |
| 5/21 05:20 | 117.4 | ↓-0.1 | |
| 5/21 05:30 | 117.1 | ↓-0.3 | |
| 5/21 05:40 | 116.6 | ↓-0.5 | |
| 5/21 05:50 | 115.8 | ↓-0.8 | |
| 5/21 06:00 | 114.7 | ↓-1.1 | |
| 5/21 06:10 | 113.5 | ↓-1.2 | |
| 5/21 06:20 | 111.9 | ↓-1.6 | |
| 5/21 06:30 | 110.1 | ↓-1.8 | |
| 5/21 06:40 | 108.0 | ↓-2.1 | |
| 5/21 06:50 | 105.7 | ↓-2.3 | |
| 5/21 07:00 | 103.1 | ↓-2.6 | |
| 5/21 07:10 | 100.3 | ↓-2.8 | |
| 5/21 07:20 | 97.3 | ↓-3.0 | |
| 5/21 07:30 | 94.0 | ↓-3.3 | |
| 5/21 07:40 | 90.6 | ↓-3.4 | |
| 5/21 07:50 | 86.9 | ↓-3.7 | |
| 5/21 08:00 | 83.1 | ↓-3.8 | |
| 5/21 08:10 | 79.1 | ↓-4.0 | |
| 5/21 08:20 | 74.9 | ↓-4.2 | |
| 5/21 08:30 | 70.7 | ↓-4.2 | |
| 5/21 08:40 | 66.4 | ↓-4.3 | |
| 5/21 08:50 | 62.0 | ↓-4.4 | |
| 5/21 09:00 | 57.5 | ↓-4.5 | 最大潮位差 |
| 5/21 09:10 | 53.1 | ↓-4.4 | |
| 5/21 09:20 | 48.6 | ↓-4.5 | 最大潮位差 |
| 5/21 09:30 | 44.3 | ↓-4.3 | |
| 5/21 09:40 | 39.9 | ↓-4.4 | |
| 5/21 09:50 | 35.7 | ↓-4.2 | |
| 5/21 10:00 | 31.6 | ↓-4.1 | |
| 5/21 10:10 | 27.6 | ↓-4.0 | |
| 5/21 10:20 | 23.8 | ↓-3.8 | |
| 5/21 10:30 | 20.1 | ↓-3.7 | |
| 5/21 10:40 | 16.7 | ↓-3.4 | |
| 5/21 10:50 | 13.5 | ↓-3.2 | |
| 5/21 11:00 | 10.5 | ↓-3.0 | |
| 5/21 11:10 | 7.8 | ↓-2.7 | |
| 5/21 11:20 | 5.4 | ↓-2.4 | |
| 5/21 11:30 | 3.3 | ↓-2.1 | |
| 5/21 11:40 | 1.4 | ↓-1.9 | |
| 5/21 11:50 | -0.1 | ↓-1.5 | |
| 5/21 12:00 | -1.4 | ↓-1.3 | |
| 5/21 12:10 | -2.3 | ↓-0.9 | |
| 5/21 12:20 | -2.9 | ↓-0.6 | |
| 5/21 12:30 | -3.3 | ↓-0.4 | 干潮 |
| 5/21 12:40 | -3.3 | 0 | |
| 5/21 12:50 | -3.0 | ↑0.3 | |
| 5/21 13:00 | -2.3 | ↑0.7 | |
| 5/21 13:10 | -1.4 | ↑0.9 | |
| 5/21 13:20 | -0.2 | ↑1.2 | |
| 5/21 13:30 | 1.2 | ↑1.4 | |
| 5/21 13:40 | 3.0 | ↑1.8 | |
| 5/21 13:50 | 5.0 | ↑2.0 | |
| 5/21 14:00 | 7.2 | ↑2.2 | |
| 5/21 14:10 | 9.7 | ↑2.5 | |
| 5/21 14:20 | 12.4 | ↑2.7 | |
| 5/21 14:30 | 15.3 | ↑2.9 | |
| 5/21 14:40 | 18.4 | ↑3.1 | |
| 5/21 14:50 | 21.6 | ↑3.2 | |
| 5/21 15:00 | 25.0 | ↑3.4 | |
| 5/21 15:10 | 28.6 | ↑3.6 | |
| 5/21 15:20 | 32.2 | ↑3.6 | |
| 5/21 15:30 | 36.0 | ↑3.8 | |
| 5/21 15:40 | 39.9 | ↑3.9 | |
| 5/21 15:50 | 43.8 | ↑3.9 | |
| 5/21 16:00 | 47.8 | ↑4.0 | |
| 5/21 16:10 | 51.7 | ↑3.9 | |
| 5/21 16:20 | 55.7 | ↑4.0 | |
| 5/21 16:30 | 59.7 | ↑4.0 | |
| 5/21 16:40 | 63.7 | ↑4.0 | |
| 5/21 16:50 | 67.6 | ↑3.9 | |
| 5/21 17:00 | 71.4 | ↑3.8 | |
| 5/21 17:10 | 75.1 | ↑3.7 | |
| 5/21 17:20 | 78.8 | ↑3.7 | |
| 5/21 17:30 | 82.3 | ↑3.5 | |
| 5/21 17:40 | 85.6 | ↑3.3 | |
| 5/21 17:50 | 88.8 | ↑3.2 | |
| 5/21 18:00 | 91.8 | ↑3.0 | |
| 5/21 18:10 | 94.7 | ↑2.9 | |
| 5/21 18:20 | 97.3 | ↑2.6 | |
| 5/21 18:30 | 99.7 | ↑2.4 | |
| 5/21 18:40 | 101.9 | ↑2.2 | |
| 5/21 18:50 | 103.8 | ↑1.9 | |
| 5/21 19:00 | 105.6 | ↑1.8 | |
| 5/21 19:10 | 107.0 | ↑1.4 | |
| 5/21 19:20 | 108.2 | ↑1.2 | |
| 5/21 19:30 | 109.2 | ↑1.0 | |
| 5/21 19:40 | 109.9 | ↑0.7 | |
| 5/21 19:50 | 110.4 | ↑0.5 | |
| 5/21 20:00 | 110.7 | ↑0.3 | 満潮 |
| 5/21 20:10 | 110.7 | 0 | |
| 5/21 20:20 | 110.5 | ↓-0.2 | |
| 5/21 20:30 | 110.2 | ↓-0.3 | |
| 5/21 20:40 | 109.6 | ↓-0.6 | |
| 5/21 20:50 | 108.8 | ↓-0.8 | |
| 5/21 21:00 | 107.9 | ↓-0.9 | |
| 5/21 21:10 | 106.8 | ↓-1.1 | |
| 5/21 21:20 | 105.6 | ↓-1.2 | |
| 5/21 21:30 | 104.4 | ↓-1.2 | |
| 5/21 21:40 | 103.0 | ↓-1.4 | |
| 5/21 21:50 | 101.5 | ↓-1.5 | |
| 5/21 22:00 | 100.1 | ↓-1.4 | |
| 5/21 22:10 | 98.5 | ↓-1.6 | |
| 5/21 22:20 | 97.0 | ↓-1.5 | |
| 5/21 22:30 | 95.5 | ↓-1.5 | |
| 5/21 22:40 | 94.0 | ↓-1.5 | |
| 5/21 22:50 | 92.6 | ↓-1.4 | |
| 5/21 23:00 | 91.2 | ↓-1.4 | |
| 5/21 23:10 | 89.9 | ↓-1.3 | |
| 5/21 23:20 | 88.8 | ↓-1.1 | |
| 5/21 23:30 | 87.7 | ↓-1.1 | |
| 5/21 23:40 | 86.7 | ↓-1.0 | |
| 5/21 23:50 | 85.8 | ↓-0.9 |