| 満潮 | 干潮 | 満潮 | 干潮 |
|
21
(水) |
09:20 | 04:51 | 23:49 | 16:33 |
| 92cm | 80cm | 104cm | 34cm | |
|
||||
那珂湊（茨城）2025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 | 100.2 | ↓-0.6 | |
| 5/21 00:10 | 99.5 | ↓-0.7 | |
| 5/21 00:20 | 98.8 | ↓-0.7 | |
| 5/21 00:30 | 98.0 | ↓-0.8 | |
| 5/21 00:40 | 97.1 | ↓-0.9 | |
| 5/21 00:50 | 96.1 | ↓-1.0 | |
| 5/21 01:00 | 95.2 | ↓-0.9 | |
| 5/21 01:10 | 94.1 | ↓-1.1 | |
| 5/21 01:20 | 93.1 | ↓-1.0 | |
| 5/21 01:30 | 92.1 | ↓-1.0 | |
| 5/21 01:40 | 91.0 | ↓-1.1 | |
| 5/21 01:50 | 90.0 | ↓-1.0 | |
| 5/21 02:00 | 88.9 | ↓-1.1 | |
| 5/21 02:10 | 87.9 | ↓-1.0 | |
| 5/21 02:20 | 86.9 | ↓-1.0 | |
| 5/21 02:30 | 86.0 | ↓-0.9 | |
| 5/21 02:40 | 85.1 | ↓-0.9 | |
| 5/21 02:50 | 84.3 | ↓-0.8 | |
| 5/21 03:00 | 83.5 | ↓-0.8 | |
| 5/21 03:10 | 82.7 | ↓-0.8 | |
| 5/21 03:20 | 82.1 | ↓-0.6 | |
| 5/21 03:30 | 81.5 | ↓-0.6 | |
| 5/21 03:40 | 80.9 | ↓-0.6 | |
| 5/21 03:50 | 80.4 | ↓-0.5 | |
| 5/21 04:00 | 80.0 | ↓-0.4 | |
| 5/21 04:10 | 79.7 | ↓-0.3 | |
| 5/21 04:20 | 79.5 | ↓-0.2 | |
| 5/21 04:30 | 79.3 | ↓-0.2 | |
| 5/21 04:40 | 79.2 | ↓-0.1 | |
| 5/21 04:50 | 79.1 | ↓-0.1 | 干潮 |
| 5/21 05:00 | 79.2 | ↑0.1 | |
| 5/21 05:10 | 79.3 | ↑0.1 | |
| 5/21 05:20 | 79.5 | ↑0.2 | |
| 5/21 05:30 | 79.7 | ↑0.2 | |
| 5/21 05:40 | 80.0 | ↑0.3 | |
| 5/21 05:50 | 80.4 | ↑0.4 | |
| 5/21 06:00 | 80.8 | ↑0.4 | |
| 5/21 06:10 | 81.3 | ↑0.5 | |
| 5/21 06:20 | 81.9 | ↑0.6 | |
| 5/21 06:30 | 82.5 | ↑0.6 | |
| 5/21 06:40 | 83.1 | ↑0.6 | |
| 5/21 06:50 | 83.7 | ↑0.6 | |
| 5/21 07:00 | 84.4 | ↑0.7 | |
| 5/21 07:10 | 85.1 | ↑0.7 | |
| 5/21 07:20 | 85.8 | ↑0.7 | |
| 5/21 07:30 | 86.5 | ↑0.7 | |
| 5/21 07:40 | 87.2 | ↑0.7 | |
| 5/21 07:50 | 87.9 | ↑0.7 | |
| 5/21 08:00 | 88.5 | ↑0.6 | |
| 5/21 08:10 | 89.1 | ↑0.6 | |
| 5/21 08:20 | 89.7 | ↑0.6 | |
| 5/21 08:30 | 90.1 | ↑0.4 | |
| 5/21 08:40 | 90.6 | ↑0.5 | |
| 5/21 08:50 | 90.9 | ↑0.3 | |
| 5/21 09:00 | 91.1 | ↑0.2 | |
| 5/21 09:10 | 91.3 | ↑0.2 | 満潮 |
| 5/21 09:20 | 91.3 | 0 | 満潮 |
| 5/21 09:30 | 91.2 | ↓-0.1 | |
| 5/21 09:40 | 91.0 | ↓-0.2 | |
| 5/21 09:50 | 90.7 | ↓-0.3 | |
| 5/21 10:00 | 90.3 | ↓-0.4 | |
| 5/21 10:10 | 89.7 | ↓-0.6 | |
| 5/21 10:20 | 89.0 | ↓-0.7 | |
| 5/21 10:30 | 88.1 | ↓-0.9 | |
| 5/21 10:40 | 87.1 | ↓-1.0 | |
| 5/21 10:50 | 86.0 | ↓-1.1 | |
| 5/21 11:00 | 84.8 | ↓-1.2 | |
| 5/21 11:10 | 83.4 | ↓-1.4 | |
| 5/21 11:20 | 81.9 | ↓-1.5 | |
| 5/21 11:30 | 80.3 | ↓-1.6 | |
| 5/21 11:40 | 78.6 | ↓-1.7 | |
| 5/21 11:50 | 76.8 | ↓-1.8 | |
| 5/21 12:00 | 74.9 | ↓-1.9 | |
| 5/21 12:10 | 73.0 | ↓-1.9 | |
| 5/21 12:20 | 71.0 | ↓-2.0 | |
| 5/21 12:30 | 68.9 | ↓-2.1 | |
| 5/21 12:40 | 66.8 | ↓-2.1 | |
| 5/21 12:50 | 64.6 | ↓-2.2 | |
| 5/21 13:00 | 62.5 | ↓-2.1 | |
| 5/21 13:10 | 60.3 | ↓-2.2 | |
| 5/21 13:20 | 58.2 | ↓-2.1 | |
| 5/21 13:30 | 56.1 | ↓-2.1 | |
| 5/21 13:40 | 54.0 | ↓-2.1 | |
| 5/21 13:50 | 52.0 | ↓-2.0 | |
| 5/21 14:00 | 50.0 | ↓-2.0 | |
| 5/21 14:10 | 48.1 | ↓-1.9 | |
| 5/21 14:20 | 46.3 | ↓-1.8 | |
| 5/21 14:30 | 44.5 | ↓-1.8 | |
| 5/21 14:40 | 42.9 | ↓-1.6 | |
| 5/21 14:50 | 41.4 | ↓-1.5 | |
| 5/21 15:00 | 40.0 | ↓-1.4 | |
| 5/21 15:10 | 38.7 | ↓-1.3 | |
| 5/21 15:20 | 37.5 | ↓-1.2 | |
| 5/21 15:30 | 36.5 | ↓-1.0 | |
| 5/21 15:40 | 35.6 | ↓-0.9 | |
| 5/21 15:50 | 34.9 | ↓-0.7 | |
| 5/21 16:00 | 34.3 | ↓-0.6 | |
| 5/21 16:10 | 33.9 | ↓-0.4 | |
| 5/21 16:20 | 33.6 | ↓-0.3 | |
| 5/21 16:30 | 33.5 | ↓-0.1 | 干潮 |
| 5/21 16:40 | 33.5 | 0 | |
| 5/21 16:50 | 33.7 | ↑0.2 | |
| 5/21 17:00 | 34.1 | ↑0.4 | |
| 5/21 17:10 | 34.7 | ↑0.6 | |
| 5/21 17:20 | 35.4 | ↑0.7 | |
| 5/21 17:30 | 36.2 | ↑0.8 | |
| 5/21 17:40 | 37.2 | ↑1.0 | |
| 5/21 17:50 | 38.4 | ↑1.2 | |
| 5/21 18:00 | 39.8 | ↑1.4 | |
| 5/21 18:10 | 41.2 | ↑1.4 | |
| 5/21 18:20 | 42.8 | ↑1.6 | |
| 5/21 18:30 | 44.6 | ↑1.8 | |
| 5/21 18:40 | 46.5 | ↑1.9 | |
| 5/21 18:50 | 48.5 | ↑2.0 | |
| 5/21 19:00 | 50.6 | ↑2.1 | |
| 5/21 19:10 | 52.8 | ↑2.2 | |
| 5/21 19:20 | 55.1 | ↑2.3 | |
| 5/21 19:30 | 57.5 | ↑2.4 | |
| 5/21 19:40 | 59.9 | ↑2.4 | |
| 5/21 19:50 | 62.4 | ↑2.5 | |
| 5/21 20:00 | 64.9 | ↑2.5 | |
| 5/21 20:10 | 67.5 | ↑2.6 | 最大潮位差 |
| 5/21 20:20 | 70.1 | ↑2.6 | 最大潮位差 |
| 5/21 20:30 | 72.6 | ↑2.5 | |
| 5/21 20:40 | 75.2 | ↑2.6 | 最大潮位差 |
| 5/21 20:50 | 77.7 | ↑2.5 | |
| 5/21 21:00 | 80.2 | ↑2.5 | |
| 5/21 21:10 | 82.6 | ↑2.4 | |
| 5/21 21:20 | 84.9 | ↑2.3 | |
| 5/21 21:30 | 87.1 | ↑2.2 | |
| 5/21 21:40 | 89.3 | ↑2.2 | |
| 5/21 21:50 | 91.3 | ↑2.0 | |
| 5/21 22:00 | 93.1 | ↑1.8 | |
| 5/21 22:10 | 94.9 | ↑1.8 | |
| 5/21 22:20 | 96.5 | ↑1.6 | |
| 5/21 22:30 | 97.9 | ↑1.4 | |
| 5/21 22:40 | 99.2 | ↑1.3 | |
| 5/21 22:50 | 100.3 | ↑1.1 | |
| 5/21 23:00 | 101.2 | ↑0.9 | |
| 5/21 23:10 | 102.0 | ↑0.8 | |
| 5/21 23:20 | 102.6 | ↑0.6 | |
| 5/21 23:30 | 103.0 | ↑0.4 | |
| 5/21 23:40 | 103.2 | ↑0.2 | 満潮 |
| 5/21 23:50 | 103.2 | 0 |