| 満潮 | 干潮 | 満潮 | 干潮 |
|
30
(日) |
01:25 | 08:06 | 14:29 | 19:50 |
| 119cm | 43cm | 107cm | 68cm | |
|
||||
日立（茨城）2038年05月30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 |
|---|---|---|---|
| 5/30 00:00 | 112.1 | ↑1.5 | |
| 5/30 00:10 | 113.5 | ↑1.4 | |
| 5/30 00:20 | 114.7 | ↑1.2 | |
| 5/30 00:30 | 115.8 | ↑1.1 | |
| 5/30 00:40 | 116.6 | ↑0.8 | |
| 5/30 00:50 | 117.4 | ↑0.8 | |
| 5/30 01:00 | 117.9 | ↑0.5 | |
| 5/30 01:10 | 118.3 | ↑0.4 | |
| 5/30 01:20 | 118.4 | ↑0.1 | 満潮 |
| 5/30 01:30 | 118.4 | 0 | |
| 5/30 01:40 | 118.2 | ↓-0.2 | |
| 5/30 01:50 | 117.7 | ↓-0.5 | |
| 5/30 02:00 | 117.1 | ↓-0.6 | |
| 5/30 02:10 | 116.3 | ↓-0.8 | |
| 5/30 02:20 | 115.2 | ↓-1.1 | |
| 5/30 02:30 | 113.9 | ↓-1.3 | |
| 5/30 02:40 | 112.5 | ↓-1.4 | |
| 5/30 02:50 | 110.8 | ↓-1.7 | |
| 5/30 03:00 | 108.9 | ↓-1.9 | |
| 5/30 03:10 | 106.8 | ↓-2.1 | |
| 5/30 03:20 | 104.6 | ↓-2.2 | |
| 5/30 03:30 | 102.2 | ↓-2.4 | |
| 5/30 03:40 | 99.6 | ↓-2.6 | |
| 5/30 03:50 | 96.9 | ↓-2.7 | |
| 5/30 04:00 | 94.1 | ↓-2.8 | |
| 5/30 04:10 | 91.2 | ↓-2.9 | |
| 5/30 04:20 | 88.2 | ↓-3.0 | |
| 5/30 04:30 | 85.2 | ↓-3.0 | |
| 5/30 04:40 | 82.1 | ↓-3.1 | 最大潮位差 |
| 5/30 04:50 | 79.0 | ↓-3.1 | 最大潮位差 |
| 5/30 05:00 | 76.0 | ↓-3.0 | |
| 5/30 05:10 | 73.0 | ↓-3.0 | |
| 5/30 05:20 | 70.0 | ↓-3.0 | |
| 5/30 05:30 | 67.1 | ↓-2.9 | |
| 5/30 05:40 | 64.4 | ↓-2.7 | |
| 5/30 05:50 | 61.7 | ↓-2.7 | |
| 5/30 06:00 | 59.1 | ↓-2.6 | |
| 5/30 06:10 | 56.7 | ↓-2.4 | |
| 5/30 06:20 | 54.5 | ↓-2.2 | |
| 5/30 06:30 | 52.4 | ↓-2.1 | |
| 5/30 06:40 | 50.5 | ↓-1.9 | |
| 5/30 06:50 | 48.8 | ↓-1.7 | |
| 5/30 07:00 | 47.3 | ↓-1.5 | |
| 5/30 07:10 | 46.0 | ↓-1.3 | |
| 5/30 07:20 | 44.9 | ↓-1.1 | |
| 5/30 07:30 | 44.0 | ↓-0.9 | |
| 5/30 07:40 | 43.3 | ↓-0.7 | |
| 5/30 07:50 | 42.8 | ↓-0.5 | |
| 5/30 08:00 | 42.6 | ↓-0.2 | 干潮 |
| 5/30 08:10 | 42.6 | 0 | |
| 5/30 08:20 | 42.8 | ↑0.2 | |
| 5/30 08:30 | 43.3 | ↑0.5 | |
| 5/30 08:40 | 43.9 | ↑0.6 | |
| 5/30 08:50 | 44.8 | ↑0.9 | |
| 5/30 09:00 | 46.0 | ↑1.2 | |
| 5/30 09:10 | 47.3 | ↑1.3 | |
| 5/30 09:20 | 48.8 | ↑1.5 | |
| 5/30 09:30 | 50.5 | ↑1.7 | |
| 5/30 09:40 | 52.4 | ↑1.9 | |
| 5/30 09:50 | 54.5 | ↑2.1 | |
| 5/30 10:00 | 56.7 | ↑2.2 | |
| 5/30 10:10 | 59.0 | ↑2.3 | |
| 5/30 10:20 | 61.5 | ↑2.5 | |
| 5/30 10:30 | 64.0 | ↑2.5 | |
| 5/30 10:40 | 66.6 | ↑2.6 | |
| 5/30 10:50 | 69.2 | ↑2.6 | |
| 5/30 11:00 | 71.9 | ↑2.7 | |
| 5/30 11:10 | 74.6 | ↑2.7 | |
| 5/30 11:20 | 77.2 | ↑2.6 | |
| 5/30 11:30 | 79.8 | ↑2.6 | |
| 5/30 11:40 | 82.3 | ↑2.5 | |
| 5/30 11:50 | 84.8 | ↑2.5 | |
| 5/30 12:00 | 87.2 | ↑2.4 | |
| 5/30 12:10 | 89.5 | ↑2.3 | |
| 5/30 12:20 | 91.7 | ↑2.2 | |
| 5/30 12:30 | 93.7 | ↑2.0 | |
| 5/30 12:40 | 95.6 | ↑1.9 | |
| 5/30 12:50 | 97.4 | ↑1.8 | |
| 5/30 13:00 | 99.1 | ↑1.7 | |
| 5/30 13:10 | 100.5 | ↑1.4 | |
| 5/30 13:20 | 101.9 | ↑1.4 | |
| 5/30 13:30 | 103.0 | ↑1.1 | |
| 5/30 13:40 | 104.0 | ↑1.0 | |
| 5/30 13:50 | 104.8 | ↑0.8 | |
| 5/30 14:00 | 105.4 | ↑0.6 | |
| 5/30 14:10 | 105.9 | ↑0.5 | |
| 5/30 14:20 | 106.1 | ↑0.2 | 満潮 |
| 5/30 14:30 | 106.2 | ↑0.1 | |
| 5/30 14:40 | 106.1 | ↓-0.1 | |
| 5/30 14:50 | 105.7 | ↓-0.4 | |
| 5/30 15:00 | 105.2 | ↓-0.5 | |
| 5/30 15:10 | 104.5 | ↓-0.7 | |
| 5/30 15:20 | 103.7 | ↓-0.8 | |
| 5/30 15:30 | 102.6 | ↓-1.1 | |
| 5/30 15:40 | 101.4 | ↓-1.2 | |
| 5/30 15:50 | 100.1 | ↓-1.3 | |
| 5/30 16:00 | 98.6 | ↓-1.5 | |
| 5/30 16:10 | 97.0 | ↓-1.6 | |
| 5/30 16:20 | 95.3 | ↓-1.7 | |
| 5/30 16:30 | 93.5 | ↓-1.8 | |
| 5/30 16:40 | 91.6 | ↓-1.9 | |
| 5/30 16:50 | 89.7 | ↓-1.9 | |
| 5/30 17:00 | 87.8 | ↓-1.9 | |
| 5/30 17:10 | 85.9 | ↓-1.9 | |
| 5/30 17:20 | 84.0 | ↓-1.9 | |
| 5/30 17:30 | 82.2 | ↓-1.8 | |
| 5/30 17:40 | 80.4 | ↓-1.8 | |
| 5/30 17:50 | 78.7 | ↓-1.7 | |
| 5/30 18:00 | 77.1 | ↓-1.6 | |
| 5/30 18:10 | 75.6 | ↓-1.5 | |
| 5/30 18:20 | 74.2 | ↓-1.4 | |
| 5/30 18:30 | 72.9 | ↓-1.3 | |
| 5/30 18:40 | 71.7 | ↓-1.2 | |
| 5/30 18:50 | 70.7 | ↓-1.0 | |
| 5/30 19:00 | 69.9 | ↓-0.8 | |
| 5/30 19:10 | 69.2 | ↓-0.7 | |
| 5/30 19:20 | 68.6 | ↓-0.6 | |
| 5/30 19:30 | 68.2 | ↓-0.4 | |
| 5/30 19:40 | 68.0 | ↓-0.2 | 干潮 |
| 5/30 19:50 | 67.9 | ↓-0.1 | 干潮 |
| 5/30 20:00 | 68.0 | ↑0.1 | |
| 5/30 20:10 | 68.3 | ↑0.3 | |
| 5/30 20:20 | 68.8 | ↑0.5 | |
| 5/30 20:30 | 69.4 | ↑0.6 | |
| 5/30 20:40 | 70.2 | ↑0.8 | |
| 5/30 20:50 | 71.2 | ↑1.0 | |
| 5/30 21:00 | 72.3 | ↑1.1 | |
| 5/30 21:10 | 73.6 | ↑1.3 | |
| 5/30 21:20 | 75.1 | ↑1.5 | |
| 5/30 21:30 | 76.7 | ↑1.6 | |
| 5/30 21:40 | 78.5 | ↑1.8 | |
| 5/30 21:50 | 80.4 | ↑1.9 | |
| 5/30 22:00 | 82.5 | ↑2.1 | |
| 5/30 22:10 | 84.6 | ↑2.1 | |
| 5/30 22:20 | 86.9 | ↑2.3 | |
| 5/30 22:30 | 89.2 | ↑2.3 | |
| 5/30 22:40 | 91.6 | ↑2.4 | |
| 5/30 22:50 | 94.0 | ↑2.4 | |
| 5/30 23:00 | 96.4 | ↑2.4 | |
| 5/30 23:10 | 98.8 | ↑2.4 | |
| 5/30 23:20 | 101.2 | ↑2.4 | |
| 5/30 23:30 | 103.5 | ↑2.3 | |
| 5/30 23:40 | 105.8 | ↑2.3 | |
| 5/30 23:50 | 108.0 | ↑2.2 |