| 満潮 | 干潮 | 満潮 | 干潮 |
|
21
(月) |
00:28 | 06:45 | 11:33 | 18:03 |
| 108cm | 77cm | 92cm | 46cm | |
|
||||
大洗（茨城）2040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 | 107.5 | ↑0.4 | |
| 5/21 00:10 | 107.8 | ↑0.3 | |
| 5/21 00:20 | 107.9 | ↑0.1 | 満潮 |
| 5/21 00:30 | 107.9 | 0 | |
| 5/21 00:40 | 107.8 | ↓-0.1 | |
| 5/21 00:50 | 107.6 | ↓-0.2 | |
| 5/21 01:00 | 107.3 | ↓-0.3 | |
| 5/21 01:10 | 106.9 | ↓-0.4 | |
| 5/21 01:20 | 106.3 | ↓-0.6 | |
| 5/21 01:30 | 105.7 | ↓-0.6 | |
| 5/21 01:40 | 105.0 | ↓-0.7 | |
| 5/21 01:50 | 104.2 | ↓-0.8 | |
| 5/21 02:00 | 103.3 | ↓-0.9 | |
| 5/21 02:10 | 102.4 | ↓-0.9 | |
| 5/21 02:20 | 101.3 | ↓-1.1 | |
| 5/21 02:30 | 100.2 | ↓-1.1 | |
| 5/21 02:40 | 99.0 | ↓-1.2 | |
| 5/21 02:50 | 97.8 | ↓-1.2 | |
| 5/21 03:00 | 96.6 | ↓-1.2 | |
| 5/21 03:10 | 95.3 | ↓-1.3 | |
| 5/21 03:20 | 93.9 | ↓-1.4 | |
| 5/21 03:30 | 92.6 | ↓-1.3 | |
| 5/21 03:40 | 91.3 | ↓-1.3 | |
| 5/21 03:50 | 89.9 | ↓-1.4 | |
| 5/21 04:00 | 88.6 | ↓-1.3 | |
| 5/21 04:10 | 87.3 | ↓-1.3 | |
| 5/21 04:20 | 86.0 | ↓-1.3 | |
| 5/21 04:30 | 84.8 | ↓-1.2 | |
| 5/21 04:40 | 83.7 | ↓-1.1 | |
| 5/21 04:50 | 82.6 | ↓-1.1 | |
| 5/21 05:00 | 81.6 | ↓-1.0 | |
| 5/21 05:10 | 80.6 | ↓-1.0 | |
| 5/21 05:20 | 79.8 | ↓-0.8 | |
| 5/21 05:30 | 79.0 | ↓-0.8 | |
| 5/21 05:40 | 78.3 | ↓-0.7 | |
| 5/21 05:50 | 77.8 | ↓-0.5 | |
| 5/21 06:00 | 77.3 | ↓-0.5 | |
| 5/21 06:10 | 76.9 | ↓-0.4 | |
| 5/21 06:20 | 76.7 | ↓-0.2 | |
| 5/21 06:30 | 76.5 | ↓-0.2 | |
| 5/21 06:40 | 76.4 | ↓-0.1 | 干潮 |
| 5/21 06:50 | 76.4 | 0 | |
| 5/21 07:00 | 76.5 | ↑0.1 | |
| 5/21 07:10 | 76.7 | ↑0.2 | |
| 5/21 07:20 | 77.0 | ↑0.3 | |
| 5/21 07:30 | 77.3 | ↑0.3 | |
| 5/21 07:40 | 77.7 | ↑0.4 | |
| 5/21 07:50 | 78.2 | ↑0.5 | |
| 5/21 08:00 | 78.8 | ↑0.6 | |
| 5/21 08:10 | 79.4 | ↑0.6 | |
| 5/21 08:20 | 80.0 | ↑0.6 | |
| 5/21 08:30 | 80.7 | ↑0.7 | |
| 5/21 08:40 | 81.5 | ↑0.8 | |
| 5/21 08:50 | 82.3 | ↑0.8 | |
| 5/21 09:00 | 83.1 | ↑0.8 | |
| 5/21 09:10 | 83.9 | ↑0.8 | |
| 5/21 09:20 | 84.7 | ↑0.8 | |
| 5/21 09:30 | 85.5 | ↑0.8 | |
| 5/21 09:40 | 86.3 | ↑0.8 | |
| 5/21 09:50 | 87.1 | ↑0.8 | |
| 5/21 10:00 | 87.8 | ↑0.7 | |
| 5/21 10:10 | 88.5 | ↑0.7 | |
| 5/21 10:20 | 89.2 | ↑0.7 | |
| 5/21 10:30 | 89.8 | ↑0.6 | |
| 5/21 10:40 | 90.3 | ↑0.5 | |
| 5/21 10:50 | 90.7 | ↑0.4 | |
| 5/21 11:00 | 91.1 | ↑0.4 | |
| 5/21 11:10 | 91.3 | ↑0.2 | |
| 5/21 11:20 | 91.5 | ↑0.2 | |
| 5/21 11:30 | 91.6 | ↑0.1 | 満潮 |
| 5/21 11:40 | 91.6 | 0 | |
| 5/21 11:50 | 91.4 | ↓-0.2 | |
| 5/21 12:00 | 91.2 | ↓-0.2 | |
| 5/21 12:10 | 90.8 | ↓-0.4 | |
| 5/21 12:20 | 90.3 | ↓-0.5 | |
| 5/21 12:30 | 89.8 | ↓-0.5 | |
| 5/21 12:40 | 89.1 | ↓-0.7 | |
| 5/21 12:50 | 88.3 | ↓-0.8 | |
| 5/21 13:00 | 87.4 | ↓-0.9 | |
| 5/21 13:10 | 86.4 | ↓-1.0 | |
| 5/21 13:20 | 85.3 | ↓-1.1 | |
| 5/21 13:30 | 84.0 | ↓-1.3 | |
| 5/21 13:40 | 82.7 | ↓-1.3 | |
| 5/21 13:50 | 81.3 | ↓-1.4 | |
| 5/21 14:00 | 79.9 | ↓-1.4 | |
| 5/21 14:10 | 78.3 | ↓-1.6 | |
| 5/21 14:20 | 76.7 | ↓-1.6 | |
| 5/21 14:30 | 74.9 | ↓-1.8 | |
| 5/21 14:40 | 73.2 | ↓-1.7 | |
| 5/21 14:50 | 71.4 | ↓-1.8 | |
| 5/21 15:00 | 69.5 | ↓-1.9 | |
| 5/21 15:10 | 67.6 | ↓-1.9 | |
| 5/21 15:20 | 65.7 | ↓-1.9 | |
| 5/21 15:30 | 63.8 | ↓-1.9 | |
| 5/21 15:40 | 62.0 | ↓-1.8 | |
| 5/21 15:50 | 60.1 | ↓-1.9 | |
| 5/21 16:00 | 58.3 | ↓-1.8 | |
| 5/21 16:10 | 56.6 | ↓-1.7 | |
| 5/21 16:20 | 54.9 | ↓-1.7 | |
| 5/21 16:30 | 53.4 | ↓-1.5 | |
| 5/21 16:40 | 51.9 | ↓-1.5 | |
| 5/21 16:50 | 50.6 | ↓-1.3 | |
| 5/21 17:00 | 49.4 | ↓-1.2 | |
| 5/21 17:10 | 48.4 | ↓-1.0 | |
| 5/21 17:20 | 47.5 | ↓-0.9 | |
| 5/21 17:30 | 46.8 | ↓-0.7 | |
| 5/21 17:40 | 46.3 | ↓-0.5 | |
| 5/21 17:50 | 45.9 | ↓-0.4 | |
| 5/21 18:00 | 45.8 | ↓-0.1 | 干潮 |
| 5/21 18:10 | 45.9 | ↑0.1 | |
| 5/21 18:20 | 46.1 | ↑0.2 | |
| 5/21 18:30 | 46.6 | ↑0.5 | |
| 5/21 18:40 | 47.2 | ↑0.6 | |
| 5/21 18:50 | 48.0 | ↑0.8 | |
| 5/21 19:00 | 49.1 | ↑1.1 | |
| 5/21 19:10 | 50.3 | ↑1.2 | |
| 5/21 19:20 | 51.6 | ↑1.3 | |
| 5/21 19:30 | 53.2 | ↑1.6 | |
| 5/21 19:40 | 54.8 | ↑1.6 | |
| 5/21 19:50 | 56.7 | ↑1.9 | |
| 5/21 20:00 | 58.6 | ↑1.9 | |
| 5/21 20:10 | 60.7 | ↑2.1 | |
| 5/21 20:20 | 62.9 | ↑2.2 | |
| 5/21 20:30 | 65.2 | ↑2.3 | |
| 5/21 20:40 | 67.5 | ↑2.3 | |
| 5/21 20:50 | 70.0 | ↑2.5 | |
| 5/21 21:00 | 72.5 | ↑2.5 | |
| 5/21 21:10 | 75.0 | ↑2.5 | |
| 5/21 21:20 | 77.5 | ↑2.5 | |
| 5/21 21:30 | 80.1 | ↑2.6 | 最大潮位差 |
| 5/21 21:40 | 82.6 | ↑2.5 | |
| 5/21 21:50 | 85.1 | ↑2.5 | |
| 5/21 22:00 | 87.6 | ↑2.5 | |
| 5/21 22:10 | 90.0 | ↑2.4 | |
| 5/21 22:20 | 92.4 | ↑2.4 | |
| 5/21 22:30 | 94.7 | ↑2.3 | |
| 5/21 22:40 | 96.8 | ↑2.1 | |
| 5/21 22:50 | 98.9 | ↑2.1 | |
| 5/21 23:00 | 100.8 | ↑1.9 | |
| 5/21 23:10 | 102.6 | ↑1.8 | |
| 5/21 23:20 | 104.3 | ↑1.7 | |
| 5/21 23:30 | 105.8 | ↑1.5 | |
| 5/21 23:40 | 107.1 | ↑1.3 | |
| 5/21 23:50 | 108.3 | ↑1.2 |