| 満潮 | 干潮 | 満潮 | 干潮 |
|
01
(日) |
06:35 | 01:32 | - | 15:18 |
| 109cm | 94cm | - | 29cm | |
|
||||
日立（茨城）2039年05月01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 |
|---|---|---|---|
| 5/1 00:00 | 95.3 | ↓-0.3 | |
| 5/1 00:10 | 95.0 | ↓-0.3 | |
| 5/1 00:20 | 94.7 | ↓-0.3 | |
| 5/1 00:30 | 94.4 | ↓-0.3 | |
| 5/1 00:40 | 94.2 | ↓-0.2 | |
| 5/1 00:50 | 94.0 | ↓-0.2 | |
| 5/1 01:00 | 93.8 | ↓-0.2 | |
| 5/1 01:10 | 93.7 | ↓-0.1 | |
| 5/1 01:20 | 93.6 | ↓-0.1 | |
| 5/1 01:30 | 93.6 | 0 | 干潮 |
| 5/1 01:40 | 93.6 | 0 | |
| 5/1 01:50 | 93.6 | 0 | |
| 5/1 02:00 | 93.8 | ↑0.2 | |
| 5/1 02:10 | 94.0 | ↑0.2 | |
| 5/1 02:20 | 94.2 | ↑0.2 | |
| 5/1 02:30 | 94.5 | ↑0.3 | |
| 5/1 02:40 | 94.9 | ↑0.4 | |
| 5/1 02:50 | 95.3 | ↑0.4 | |
| 5/1 03:00 | 95.8 | ↑0.5 | |
| 5/1 03:10 | 96.4 | ↑0.6 | |
| 5/1 03:20 | 97.0 | ↑0.6 | |
| 5/1 03:30 | 97.6 | ↑0.6 | |
| 5/1 03:40 | 98.3 | ↑0.7 | |
| 5/1 03:50 | 99.1 | ↑0.8 | |
| 5/1 04:00 | 99.8 | ↑0.7 | |
| 5/1 04:10 | 100.6 | ↑0.8 | |
| 5/1 04:20 | 101.4 | ↑0.8 | |
| 5/1 04:30 | 102.3 | ↑0.9 | |
| 5/1 04:40 | 103.1 | ↑0.8 | |
| 5/1 04:50 | 103.9 | ↑0.8 | |
| 5/1 05:00 | 104.6 | ↑0.7 | |
| 5/1 05:10 | 105.4 | ↑0.8 | |
| 5/1 05:20 | 106.1 | ↑0.7 | |
| 5/1 05:30 | 106.7 | ↑0.6 | |
| 5/1 05:40 | 107.2 | ↑0.5 | |
| 5/1 05:50 | 107.7 | ↑0.5 | |
| 5/1 06:00 | 108.1 | ↑0.4 | |
| 5/1 06:10 | 108.4 | ↑0.3 | |
| 5/1 06:20 | 108.6 | ↑0.2 | |
| 5/1 06:30 | 108.7 | ↑0.1 | 満潮 |
| 5/1 06:40 | 108.7 | 0 | |
| 5/1 06:50 | 108.6 | ↓-0.1 | |
| 5/1 07:00 | 108.4 | ↓-0.2 | |
| 5/1 07:10 | 108.0 | ↓-0.4 | |
| 5/1 07:20 | 107.5 | ↓-0.5 | |
| 5/1 07:30 | 106.9 | ↓-0.6 | |
| 5/1 07:40 | 106.2 | ↓-0.7 | |
| 5/1 07:50 | 105.4 | ↓-0.8 | |
| 5/1 08:00 | 104.4 | ↓-1.0 | |
| 5/1 08:10 | 103.3 | ↓-1.1 | |
| 5/1 08:20 | 102.1 | ↓-1.2 | |
| 5/1 08:30 | 100.8 | ↓-1.3 | |
| 5/1 08:40 | 99.3 | ↓-1.5 | |
| 5/1 08:50 | 97.7 | ↓-1.6 | |
| 5/1 09:00 | 96.1 | ↓-1.6 | |
| 5/1 09:10 | 94.3 | ↓-1.8 | |
| 5/1 09:20 | 92.4 | ↓-1.9 | |
| 5/1 09:30 | 90.4 | ↓-2.0 | |
| 5/1 09:40 | 88.3 | ↓-2.1 | |
| 5/1 09:50 | 86.2 | ↓-2.1 | |
| 5/1 10:00 | 83.9 | ↓-2.3 | |
| 5/1 10:10 | 81.6 | ↓-2.3 | |
| 5/1 10:20 | 79.3 | ↓-2.3 | |
| 5/1 10:30 | 76.9 | ↓-2.4 | |
| 5/1 10:40 | 74.5 | ↓-2.4 | |
| 5/1 10:50 | 72.0 | ↓-2.5 | 最大潮位差 |
| 5/1 11:00 | 69.5 | ↓-2.5 | 最大潮位差 |
| 5/1 11:10 | 67.1 | ↓-2.4 | |
| 5/1 11:20 | 64.6 | ↓-2.5 | 最大潮位差 |
| 5/1 11:30 | 62.2 | ↓-2.4 | |
| 5/1 11:40 | 59.7 | ↓-2.5 | 最大潮位差 |
| 5/1 11:50 | 57.4 | ↓-2.3 | |
| 5/1 12:00 | 55.0 | ↓-2.4 | |
| 5/1 12:10 | 52.8 | ↓-2.2 | |
| 5/1 12:20 | 50.5 | ↓-2.3 | |
| 5/1 12:30 | 48.4 | ↓-2.1 | |
| 5/1 12:40 | 46.3 | ↓-2.1 | |
| 5/1 12:50 | 44.4 | ↓-1.9 | |
| 5/1 13:00 | 42.5 | ↓-1.9 | |
| 5/1 13:10 | 40.7 | ↓-1.8 | |
| 5/1 13:20 | 39.0 | ↓-1.7 | |
| 5/1 13:30 | 37.4 | ↓-1.6 | |
| 5/1 13:40 | 35.9 | ↓-1.5 | |
| 5/1 13:50 | 34.6 | ↓-1.3 | |
| 5/1 14:00 | 33.3 | ↓-1.3 | |
| 5/1 14:10 | 32.2 | ↓-1.1 | |
| 5/1 14:20 | 31.3 | ↓-0.9 | |
| 5/1 14:30 | 30.5 | ↓-0.8 | |
| 5/1 14:40 | 29.8 | ↓-0.7 | |
| 5/1 14:50 | 29.3 | ↓-0.5 | |
| 5/1 15:00 | 28.9 | ↓-0.4 | |
| 5/1 15:10 | 28.7 | ↓-0.2 | 干潮 |
| 5/1 15:20 | 28.7 | 0 | |
| 5/1 15:30 | 28.8 | ↑0.1 | |
| 5/1 15:40 | 29.1 | ↑0.3 | |
| 5/1 15:50 | 29.6 | ↑0.5 | |
| 5/1 16:00 | 30.2 | ↑0.6 | |
| 5/1 16:10 | 31.0 | ↑0.8 | |
| 5/1 16:20 | 32.0 | ↑1.0 | |
| 5/1 16:30 | 33.1 | ↑1.1 | |
| 5/1 16:40 | 34.3 | ↑1.2 | |
| 5/1 16:50 | 35.7 | ↑1.4 | |
| 5/1 17:00 | 37.2 | ↑1.5 | |
| 5/1 17:10 | 38.9 | ↑1.7 | |
| 5/1 17:20 | 40.6 | ↑1.7 | |
| 5/1 17:30 | 42.4 | ↑1.8 | |
| 5/1 17:40 | 44.3 | ↑1.9 | |
| 5/1 17:50 | 46.3 | ↑2.0 | |
| 5/1 18:00 | 48.4 | ↑2.1 | |
| 5/1 18:10 | 50.5 | ↑2.1 | |
| 5/1 18:20 | 52.6 | ↑2.1 | |
| 5/1 18:30 | 54.8 | ↑2.2 | |
| 5/1 18:40 | 57.1 | ↑2.3 | |
| 5/1 18:50 | 59.3 | ↑2.2 | |
| 5/1 19:00 | 61.5 | ↑2.2 | |
| 5/1 19:10 | 63.8 | ↑2.3 | |
| 5/1 19:20 | 66.0 | ↑2.2 | |
| 5/1 19:30 | 68.2 | ↑2.2 | |
| 5/1 19:40 | 70.4 | ↑2.2 | |
| 5/1 19:50 | 72.5 | ↑2.1 | |
| 5/1 20:00 | 74.6 | ↑2.1 | |
| 5/1 20:10 | 76.7 | ↑2.1 | |
| 5/1 20:20 | 78.7 | ↑2.0 | |
| 5/1 20:30 | 80.6 | ↑1.9 | |
| 5/1 20:40 | 82.5 | ↑1.9 | |
| 5/1 20:50 | 84.2 | ↑1.7 | |
| 5/1 21:00 | 85.9 | ↑1.7 | |
| 5/1 21:10 | 87.5 | ↑1.6 | |
| 5/1 21:20 | 89.0 | ↑1.5 | |
| 5/1 21:30 | 90.3 | ↑1.3 | |
| 5/1 21:40 | 91.6 | ↑1.3 | |
| 5/1 21:50 | 92.8 | ↑1.2 | |
| 5/1 22:00 | 93.9 | ↑1.1 | |
| 5/1 22:10 | 94.8 | ↑0.9 | |
| 5/1 22:20 | 95.7 | ↑0.9 | |
| 5/1 22:30 | 96.4 | ↑0.7 | |
| 5/1 22:40 | 97.1 | ↑0.7 | |
| 5/1 22:50 | 97.7 | ↑0.6 | |
| 5/1 23:00 | 98.2 | ↑0.5 | |
| 5/1 23:10 | 98.6 | ↑0.4 | |
| 5/1 23:20 | 98.9 | ↑0.3 | |
| 5/1 23:30 | 99.1 | ↑0.2 | |
| 5/1 23:40 | 99.3 | ↑0.2 | |
| 5/1 23:50 | 99.4 | ↑0.1 |