| 満潮 | 干潮 | 満潮 | 干潮 |
|
21
(木) |
02:38 | 09:22 | 16:01 | 21:19 |
| 117cm | 18cm | 107cm | 60cm | |
|
||||
那珂湊（茨城）2020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 | 90.1 | ↑2.7 | |
| 5/21 00:10 | 92.8 | ↑2.7 | |
| 5/21 00:20 | 95.4 | ↑2.6 | |
| 5/21 00:30 | 98.0 | ↑2.6 | |
| 5/21 00:40 | 100.5 | ↑2.5 | |
| 5/21 00:50 | 102.8 | ↑2.3 | |
| 5/21 01:00 | 105.0 | ↑2.2 | |
| 5/21 01:10 | 107.1 | ↑2.1 | |
| 5/21 01:20 | 109.0 | ↑1.9 | |
| 5/21 01:30 | 110.7 | ↑1.7 | |
| 5/21 01:40 | 112.2 | ↑1.5 | |
| 5/21 01:50 | 113.4 | ↑1.2 | |
| 5/21 02:00 | 114.5 | ↑1.1 | |
| 5/21 02:10 | 115.3 | ↑0.8 | |
| 5/21 02:20 | 115.9 | ↑0.6 | |
| 5/21 02:30 | 116.2 | ↑0.3 | 満潮 |
| 5/21 02:40 | 116.2 | 0 | |
| 5/21 02:50 | 116.0 | ↓-0.2 | |
| 5/21 03:00 | 115.5 | ↓-0.5 | |
| 5/21 03:10 | 114.7 | ↓-0.8 | |
| 5/21 03:20 | 113.7 | ↓-1.0 | |
| 5/21 03:30 | 112.4 | ↓-1.3 | |
| 5/21 03:40 | 110.8 | ↓-1.6 | |
| 5/21 03:50 | 109.0 | ↓-1.8 | |
| 5/21 04:00 | 106.9 | ↓-2.1 | |
| 5/21 04:10 | 104.6 | ↓-2.3 | |
| 5/21 04:20 | 102.0 | ↓-2.6 | |
| 5/21 04:30 | 99.3 | ↓-2.7 | |
| 5/21 04:40 | 96.3 | ↓-3.0 | |
| 5/21 04:50 | 93.1 | ↓-3.2 | |
| 5/21 05:00 | 89.8 | ↓-3.3 | |
| 5/21 05:10 | 86.4 | ↓-3.4 | |
| 5/21 05:20 | 82.8 | ↓-3.6 | |
| 5/21 05:30 | 79.1 | ↓-3.7 | |
| 5/21 05:40 | 75.3 | ↓-3.8 | |
| 5/21 05:50 | 71.5 | ↓-3.8 | |
| 5/21 06:00 | 67.6 | ↓-3.9 | 最大潮位差 |
| 5/21 06:10 | 63.7 | ↓-3.9 | 最大潮位差 |
| 5/21 06:20 | 59.8 | ↓-3.9 | 最大潮位差 |
| 5/21 06:30 | 56.0 | ↓-3.8 | |
| 5/21 06:40 | 52.2 | ↓-3.8 | |
| 5/21 06:50 | 48.6 | ↓-3.6 | |
| 5/21 07:00 | 45.0 | ↓-3.6 | |
| 5/21 07:10 | 41.6 | ↓-3.4 | |
| 5/21 07:20 | 38.3 | ↓-3.3 | |
| 5/21 07:30 | 35.2 | ↓-3.1 | |
| 5/21 07:40 | 32.3 | ↓-2.9 | |
| 5/21 07:50 | 29.6 | ↓-2.7 | |
| 5/21 08:00 | 27.1 | ↓-2.5 | |
| 5/21 08:10 | 24.9 | ↓-2.2 | |
| 5/21 08:20 | 23.0 | ↓-1.9 | |
| 5/21 08:30 | 21.3 | ↓-1.7 | |
| 5/21 08:40 | 19.9 | ↓-1.4 | |
| 5/21 08:50 | 18.9 | ↓-1.0 | |
| 5/21 09:00 | 18.1 | ↓-0.8 | |
| 5/21 09:10 | 17.6 | ↓-0.5 | |
| 5/21 09:20 | 17.4 | ↓-0.2 | 干潮 |
| 5/21 09:30 | 17.5 | ↑0.1 | |
| 5/21 09:40 | 17.9 | ↑0.4 | |
| 5/21 09:50 | 18.6 | ↑0.7 | |
| 5/21 10:00 | 19.6 | ↑1.0 | |
| 5/21 10:10 | 20.9 | ↑1.3 | |
| 5/21 10:20 | 22.4 | ↑1.5 | |
| 5/21 10:30 | 24.2 | ↑1.8 | |
| 5/21 10:40 | 26.3 | ↑2.1 | |
| 5/21 10:50 | 28.5 | ↑2.2 | |
| 5/21 11:00 | 31.0 | ↑2.5 | |
| 5/21 11:10 | 33.7 | ↑2.7 | |
| 5/21 11:20 | 36.6 | ↑2.9 | |
| 5/21 11:30 | 39.6 | ↑3.0 | |
| 5/21 11:40 | 42.8 | ↑3.2 | |
| 5/21 11:50 | 46.1 | ↑3.3 | |
| 5/21 12:00 | 49.4 | ↑3.3 | |
| 5/21 12:10 | 52.9 | ↑3.5 | |
| 5/21 12:20 | 56.4 | ↑3.5 | |
| 5/21 12:30 | 59.9 | ↑3.5 | |
| 5/21 12:40 | 63.5 | ↑3.6 | |
| 5/21 12:50 | 67.0 | ↑3.5 | |
| 5/21 13:00 | 70.5 | ↑3.5 | |
| 5/21 13:10 | 73.9 | ↑3.4 | |
| 5/21 13:20 | 77.2 | ↑3.3 | |
| 5/21 13:30 | 80.5 | ↑3.3 | |
| 5/21 13:40 | 83.6 | ↑3.1 | |
| 5/21 13:50 | 86.6 | ↑3.0 | |
| 5/21 14:00 | 89.5 | ↑2.9 | |
| 5/21 14:10 | 92.1 | ↑2.6 | |
| 5/21 14:20 | 94.6 | ↑2.5 | |
| 5/21 14:30 | 96.9 | ↑2.3 | |
| 5/21 14:40 | 99.0 | ↑2.1 | |
| 5/21 14:50 | 100.8 | ↑1.8 | |
| 5/21 15:00 | 102.4 | ↑1.6 | |
| 5/21 15:10 | 103.8 | ↑1.4 | |
| 5/21 15:20 | 104.9 | ↑1.1 | |
| 5/21 15:30 | 105.8 | ↑0.9 | |
| 5/21 15:40 | 106.5 | ↑0.7 | |
| 5/21 15:50 | 106.8 | ↑0.3 | |
| 5/21 16:00 | 107.0 | ↑0.2 | 満潮 |
| 5/21 16:10 | 106.8 | ↓-0.2 | |
| 5/21 16:20 | 106.5 | ↓-0.3 | |
| 5/21 16:30 | 105.8 | ↓-0.7 | |
| 5/21 16:40 | 105.0 | ↓-0.8 | |
| 5/21 16:50 | 104.0 | ↓-1.0 | |
| 5/21 17:00 | 102.7 | ↓-1.3 | |
| 5/21 17:10 | 101.2 | ↓-1.5 | |
| 5/21 17:20 | 99.6 | ↓-1.6 | |
| 5/21 17:30 | 97.8 | ↓-1.8 | |
| 5/21 17:40 | 95.9 | ↓-1.9 | |
| 5/21 17:50 | 93.8 | ↓-2.1 | |
| 5/21 18:00 | 91.7 | ↓-2.1 | |
| 5/21 18:10 | 89.5 | ↓-2.2 | |
| 5/21 18:20 | 87.2 | ↓-2.3 | |
| 5/21 18:30 | 84.8 | ↓-2.4 | |
| 5/21 18:40 | 82.5 | ↓-2.3 | |
| 5/21 18:50 | 80.1 | ↓-2.4 | |
| 5/21 19:00 | 77.8 | ↓-2.3 | |
| 5/21 19:10 | 75.6 | ↓-2.2 | |
| 5/21 19:20 | 73.4 | ↓-2.2 | |
| 5/21 19:30 | 71.3 | ↓-2.1 | |
| 5/21 19:40 | 69.3 | ↓-2.0 | |
| 5/21 19:50 | 67.5 | ↓-1.8 | |
| 5/21 20:00 | 65.8 | ↓-1.7 | |
| 5/21 20:10 | 64.2 | ↓-1.6 | |
| 5/21 20:20 | 62.9 | ↓-1.3 | |
| 5/21 20:30 | 61.7 | ↓-1.2 | |
| 5/21 20:40 | 60.8 | ↓-0.9 | |
| 5/21 20:50 | 60.0 | ↓-0.8 | |
| 5/21 21:00 | 59.5 | ↓-0.5 | |
| 5/21 21:10 | 59.2 | ↓-0.3 | 干潮 |
| 5/21 21:20 | 59.1 | ↓-0.1 | |
| 5/21 21:30 | 59.3 | ↑0.2 | |
| 5/21 21:40 | 59.7 | ↑0.4 | |
| 5/21 21:50 | 60.3 | ↑0.6 | |
| 5/21 22:00 | 61.1 | ↑0.8 | |
| 5/21 22:10 | 62.2 | ↑1.1 | |
| 5/21 22:20 | 63.5 | ↑1.3 | |
| 5/21 22:30 | 64.9 | ↑1.4 | |
| 5/21 22:40 | 66.6 | ↑1.7 | |
| 5/21 22:50 | 68.4 | ↑1.8 | |
| 5/21 23:00 | 70.4 | ↑2.0 | |
| 5/21 23:10 | 72.5 | ↑2.1 | |
| 5/21 23:20 | 74.7 | ↑2.2 | |
| 5/21 23:30 | 77.1 | ↑2.4 | |
| 5/21 23:40 | 79.5 | ↑2.4 | |
| 5/21 23:50 | 82.0 | ↑2.5 |