| 満潮 | 干潮 | 満潮 | 干潮 |
|
21
(月) |
00:27 | 06:36 | 11:25 | 17:58 |
| 109cm | 79cm | 94cm | 49cm | |
|
||||
日立（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 | 108.6 | ↑0.4 | |
| 5/21 00:10 | 108.8 | ↑0.2 | |
| 5/21 00:20 | 109.0 | ↑0.2 | 満潮 |
| 5/21 00:30 | 109.0 | 0 | |
| 5/21 00:40 | 108.9 | ↓-0.1 | |
| 5/21 00:50 | 108.6 | ↓-0.3 | |
| 5/21 01:00 | 108.3 | ↓-0.3 | |
| 5/21 01:10 | 107.9 | ↓-0.4 | |
| 5/21 01:20 | 107.3 | ↓-0.6 | |
| 5/21 01:30 | 106.6 | ↓-0.7 | |
| 5/21 01:40 | 105.9 | ↓-0.7 | |
| 5/21 01:50 | 105.0 | ↓-0.9 | |
| 5/21 02:00 | 104.1 | ↓-0.9 | |
| 5/21 02:10 | 103.0 | ↓-1.1 | |
| 5/21 02:20 | 101.9 | ↓-1.1 | |
| 5/21 02:30 | 100.7 | ↓-1.2 | |
| 5/21 02:40 | 99.5 | ↓-1.2 | |
| 5/21 02:50 | 98.2 | ↓-1.3 | |
| 5/21 03:00 | 96.9 | ↓-1.3 | |
| 5/21 03:10 | 95.5 | ↓-1.4 | |
| 5/21 03:20 | 94.2 | ↓-1.3 | |
| 5/21 03:30 | 92.8 | ↓-1.4 | |
| 5/21 03:40 | 91.5 | ↓-1.3 | |
| 5/21 03:50 | 90.1 | ↓-1.4 | |
| 5/21 04:00 | 88.8 | ↓-1.3 | |
| 5/21 04:10 | 87.6 | ↓-1.2 | |
| 5/21 04:20 | 86.4 | ↓-1.2 | |
| 5/21 04:30 | 85.3 | ↓-1.1 | |
| 5/21 04:40 | 84.2 | ↓-1.1 | |
| 5/21 04:50 | 83.2 | ↓-1.0 | |
| 5/21 05:00 | 82.3 | ↓-0.9 | |
| 5/21 05:10 | 81.5 | ↓-0.8 | |
| 5/21 05:20 | 80.8 | ↓-0.7 | |
| 5/21 05:30 | 80.1 | ↓-0.7 | |
| 5/21 05:40 | 79.6 | ↓-0.5 | |
| 5/21 05:50 | 79.2 | ↓-0.4 | |
| 5/21 06:00 | 78.8 | ↓-0.4 | |
| 5/21 06:10 | 78.5 | ↓-0.3 | |
| 5/21 06:20 | 78.4 | ↓-0.1 | |
| 5/21 06:30 | 78.3 | ↓-0.1 | 干潮 |
| 5/21 06:40 | 78.3 | 0 | |
| 5/21 06:50 | 78.4 | ↑0.1 | |
| 5/21 07:00 | 78.5 | ↑0.1 | |
| 5/21 07:10 | 78.8 | ↑0.3 | |
| 5/21 07:20 | 79.1 | ↑0.3 | |
| 5/21 07:30 | 79.5 | ↑0.4 | |
| 5/21 07:40 | 79.9 | ↑0.4 | |
| 5/21 07:50 | 80.5 | ↑0.6 | |
| 5/21 08:00 | 81.1 | ↑0.6 | |
| 5/21 08:10 | 81.7 | ↑0.6 | |
| 5/21 08:20 | 82.4 | ↑0.7 | |
| 5/21 08:30 | 83.2 | ↑0.8 | |
| 5/21 08:40 | 84.0 | ↑0.8 | |
| 5/21 08:50 | 84.8 | ↑0.8 | |
| 5/21 09:00 | 85.6 | ↑0.8 | |
| 5/21 09:10 | 86.5 | ↑0.9 | |
| 5/21 09:20 | 87.4 | ↑0.9 | |
| 5/21 09:30 | 88.2 | ↑0.8 | |
| 5/21 09:40 | 89.0 | ↑0.8 | |
| 5/21 09:50 | 89.8 | ↑0.8 | |
| 5/21 10:00 | 90.6 | ↑0.8 | |
| 5/21 10:10 | 91.3 | ↑0.7 | |
| 5/21 10:20 | 91.9 | ↑0.6 | |
| 5/21 10:30 | 92.4 | ↑0.5 | |
| 5/21 10:40 | 92.9 | ↑0.5 | |
| 5/21 10:50 | 93.3 | ↑0.4 | |
| 5/21 11:00 | 93.6 | ↑0.3 | |
| 5/21 11:10 | 93.8 | ↑0.2 | |
| 5/21 11:20 | 93.9 | ↑0.1 | 満潮 |
| 5/21 11:30 | 93.9 | 0 | |
| 5/21 11:40 | 93.8 | ↓-0.1 | |
| 5/21 11:50 | 93.5 | ↓-0.3 | |
| 5/21 12:00 | 93.2 | ↓-0.3 | |
| 5/21 12:10 | 92.8 | ↓-0.4 | |
| 5/21 12:20 | 92.2 | ↓-0.6 | |
| 5/21 12:30 | 91.6 | ↓-0.6 | |
| 5/21 12:40 | 90.8 | ↓-0.8 | |
| 5/21 12:50 | 90.0 | ↓-0.8 | |
| 5/21 13:00 | 89.0 | ↓-1.0 | |
| 5/21 13:10 | 87.9 | ↓-1.1 | |
| 5/21 13:20 | 86.8 | ↓-1.1 | |
| 5/21 13:30 | 85.5 | ↓-1.3 | |
| 5/21 13:40 | 84.2 | ↓-1.3 | |
| 5/21 13:50 | 82.7 | ↓-1.5 | |
| 5/21 14:00 | 81.2 | ↓-1.5 | |
| 5/21 14:10 | 79.6 | ↓-1.6 | |
| 5/21 14:20 | 77.9 | ↓-1.7 | |
| 5/21 14:30 | 76.2 | ↓-1.7 | |
| 5/21 14:40 | 74.4 | ↓-1.8 | |
| 5/21 14:50 | 72.5 | ↓-1.9 | |
| 5/21 15:00 | 70.7 | ↓-1.8 | |
| 5/21 15:10 | 68.8 | ↓-1.9 | |
| 5/21 15:20 | 66.9 | ↓-1.9 | |
| 5/21 15:30 | 65.0 | ↓-1.9 | |
| 5/21 15:40 | 63.2 | ↓-1.8 | |
| 5/21 15:50 | 61.4 | ↓-1.8 | |
| 5/21 16:00 | 59.7 | ↓-1.7 | |
| 5/21 16:10 | 58.0 | ↓-1.7 | |
| 5/21 16:20 | 56.5 | ↓-1.5 | |
| 5/21 16:30 | 55.0 | ↓-1.5 | |
| 5/21 16:40 | 53.7 | ↓-1.3 | |
| 5/21 16:50 | 52.5 | ↓-1.2 | |
| 5/21 17:00 | 51.5 | ↓-1.0 | |
| 5/21 17:10 | 50.6 | ↓-0.9 | |
| 5/21 17:20 | 49.9 | ↓-0.7 | |
| 5/21 17:30 | 49.3 | ↓-0.6 | |
| 5/21 17:40 | 49.0 | ↓-0.3 | |
| 5/21 17:50 | 48.7 | ↓-0.3 | 干潮 |
| 5/21 18:00 | 48.7 | 0 | |
| 5/21 18:10 | 48.9 | ↑0.2 | |
| 5/21 18:20 | 49.2 | ↑0.3 | |
| 5/21 18:30 | 49.7 | ↑0.5 | |
| 5/21 18:40 | 50.3 | ↑0.6 | |
| 5/21 18:50 | 51.1 | ↑0.8 | |
| 5/21 19:00 | 52.1 | ↑1.0 | |
| 5/21 19:10 | 53.3 | ↑1.2 | |
| 5/21 19:20 | 54.5 | ↑1.2 | |
| 5/21 19:30 | 56.0 | ↑1.5 | |
| 5/21 19:40 | 57.6 | ↑1.6 | |
| 5/21 19:50 | 59.3 | ↑1.7 | |
| 5/21 20:00 | 61.1 | ↑1.8 | |
| 5/21 20:10 | 63.1 | ↑2.0 | |
| 5/21 20:20 | 65.2 | ↑2.1 | |
| 5/21 20:30 | 67.3 | ↑2.1 | |
| 5/21 20:40 | 69.6 | ↑2.3 | |
| 5/21 20:50 | 71.9 | ↑2.3 | |
| 5/21 21:00 | 74.3 | ↑2.4 | |
| 5/21 21:10 | 76.7 | ↑2.4 | |
| 5/21 21:20 | 79.2 | ↑2.5 | 最大潮位差 |
| 5/21 21:30 | 81.7 | ↑2.5 | 最大潮位差 |
| 5/21 21:40 | 84.1 | ↑2.4 | |
| 5/21 21:50 | 86.6 | ↑2.5 | 最大潮位差 |
| 5/21 22:00 | 89.0 | ↑2.4 | |
| 5/21 22:10 | 91.4 | ↑2.4 | |
| 5/21 22:20 | 93.7 | ↑2.3 | |
| 5/21 22:30 | 95.9 | ↑2.2 | |
| 5/21 22:40 | 98.0 | ↑2.1 | |
| 5/21 22:50 | 100.0 | ↑2.0 | |
| 5/21 23:00 | 101.9 | ↑1.9 | |
| 5/21 23:10 | 103.7 | ↑1.8 | |
| 5/21 23:20 | 105.3 | ↑1.6 | |
| 5/21 23:30 | 106.7 | ↑1.4 | |
| 5/21 23:40 | 108.1 | ↑1.4 | |
| 5/21 23:50 | 109.2 | ↑1.1 |