| 満潮 | 干潮 | 満潮 | 干潮 |
|
20
(土) |
00:44 | 07:34 | 14:02 | 19:12 |
| 113cm | 45cm | 102cm | 71cm | |
|
||||
日立（茨城）2028年05月20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 |
|---|---|---|---|
| 5/20 00:00 | 111.5 | ↑0.7 | |
| 5/20 00:10 | 112.1 | ↑0.6 | |
| 5/20 00:20 | 112.6 | ↑0.5 | |
| 5/20 00:30 | 112.9 | ↑0.3 | |
| 5/20 00:40 | 113.0 | ↑0.1 | 満潮 |
| 5/20 00:50 | 112.9 | ↓-0.1 | |
| 5/20 01:00 | 112.7 | ↓-0.2 | |
| 5/20 01:10 | 112.4 | ↓-0.3 | |
| 5/20 01:20 | 111.8 | ↓-0.6 | |
| 5/20 01:30 | 111.1 | ↓-0.7 | |
| 5/20 01:40 | 110.2 | ↓-0.9 | |
| 5/20 01:50 | 109.2 | ↓-1.0 | |
| 5/20 02:00 | 107.9 | ↓-1.3 | |
| 5/20 02:10 | 106.5 | ↓-1.4 | |
| 5/20 02:20 | 105.0 | ↓-1.5 | |
| 5/20 02:30 | 103.2 | ↓-1.8 | |
| 5/20 02:40 | 101.4 | ↓-1.8 | |
| 5/20 02:50 | 99.3 | ↓-2.1 | |
| 5/20 03:00 | 97.2 | ↓-2.1 | |
| 5/20 03:10 | 94.9 | ↓-2.3 | |
| 5/20 03:20 | 92.5 | ↓-2.4 | |
| 5/20 03:30 | 90.0 | ↓-2.5 | |
| 5/20 03:40 | 87.4 | ↓-2.6 | |
| 5/20 03:50 | 84.8 | ↓-2.6 | |
| 5/20 04:00 | 82.1 | ↓-2.7 | |
| 5/20 04:10 | 79.3 | ↓-2.8 | 最大潮位差 |
| 5/20 04:20 | 76.6 | ↓-2.7 | |
| 5/20 04:30 | 73.9 | ↓-2.7 | |
| 5/20 04:40 | 71.2 | ↓-2.7 | |
| 5/20 04:50 | 68.6 | ↓-2.6 | |
| 5/20 05:00 | 66.1 | ↓-2.5 | |
| 5/20 05:10 | 63.6 | ↓-2.5 | |
| 5/20 05:20 | 61.3 | ↓-2.3 | |
| 5/20 05:30 | 59.0 | ↓-2.3 | |
| 5/20 05:40 | 56.9 | ↓-2.1 | |
| 5/20 05:50 | 55.0 | ↓-1.9 | |
| 5/20 06:00 | 53.2 | ↓-1.8 | |
| 5/20 06:10 | 51.5 | ↓-1.7 | |
| 5/20 06:20 | 50.1 | ↓-1.4 | |
| 5/20 06:30 | 48.8 | ↓-1.3 | |
| 5/20 06:40 | 47.7 | ↓-1.1 | |
| 5/20 06:50 | 46.7 | ↓-1.0 | |
| 5/20 07:00 | 46.0 | ↓-0.7 | |
| 5/20 07:10 | 45.5 | ↓-0.5 | |
| 5/20 07:20 | 45.1 | ↓-0.4 | |
| 5/20 07:30 | 44.9 | ↓-0.2 | 干潮 |
| 5/20 07:40 | 45.0 | ↑0.1 | |
| 5/20 07:50 | 45.2 | ↑0.2 | |
| 5/20 08:00 | 45.7 | ↑0.5 | |
| 5/20 08:10 | 46.3 | ↑0.6 | |
| 5/20 08:20 | 47.1 | ↑0.8 | |
| 5/20 08:30 | 48.1 | ↑1.0 | |
| 5/20 08:40 | 49.3 | ↑1.2 | |
| 5/20 08:50 | 50.6 | ↑1.3 | |
| 5/20 09:00 | 52.2 | ↑1.6 | |
| 5/20 09:10 | 53.8 | ↑1.6 | |
| 5/20 09:20 | 55.7 | ↑1.9 | |
| 5/20 09:30 | 57.6 | ↑1.9 | |
| 5/20 09:40 | 59.7 | ↑2.1 | |
| 5/20 09:50 | 61.8 | ↑2.1 | |
| 5/20 10:00 | 64.1 | ↑2.3 | |
| 5/20 10:10 | 66.4 | ↑2.3 | |
| 5/20 10:20 | 68.7 | ↑2.3 | |
| 5/20 10:30 | 71.1 | ↑2.4 | |
| 5/20 10:40 | 73.4 | ↑2.3 | |
| 5/20 10:50 | 75.8 | ↑2.4 | |
| 5/20 11:00 | 78.1 | ↑2.3 | |
| 5/20 11:10 | 80.4 | ↑2.3 | |
| 5/20 11:20 | 82.6 | ↑2.2 | |
| 5/20 11:30 | 84.7 | ↑2.1 | |
| 5/20 11:40 | 86.8 | ↑2.1 | |
| 5/20 11:50 | 88.7 | ↑1.9 | |
| 5/20 12:00 | 90.6 | ↑1.9 | |
| 5/20 12:10 | 92.3 | ↑1.7 | |
| 5/20 12:20 | 93.8 | ↑1.5 | |
| 5/20 12:30 | 95.3 | ↑1.5 | |
| 5/20 12:40 | 96.6 | ↑1.3 | |
| 5/20 12:50 | 97.8 | ↑1.2 | |
| 5/20 13:00 | 98.8 | ↑1.0 | |
| 5/20 13:10 | 99.7 | ↑0.9 | |
| 5/20 13:20 | 100.4 | ↑0.7 | |
| 5/20 13:30 | 101.0 | ↑0.6 | |
| 5/20 13:40 | 101.4 | ↑0.4 | |
| 5/20 13:50 | 101.6 | ↑0.2 | |
| 5/20 14:00 | 101.7 | ↑0.1 | 満潮 |
| 5/20 14:10 | 101.6 | ↓-0.1 | |
| 5/20 14:20 | 101.4 | ↓-0.2 | |
| 5/20 14:30 | 101.0 | ↓-0.4 | |
| 5/20 14:40 | 100.5 | ↓-0.5 | |
| 5/20 14:50 | 99.8 | ↓-0.7 | |
| 5/20 15:00 | 99.0 | ↓-0.8 | |
| 5/20 15:10 | 98.0 | ↓-1.0 | |
| 5/20 15:20 | 96.9 | ↓-1.1 | |
| 5/20 15:30 | 95.7 | ↓-1.2 | |
| 5/20 15:40 | 94.4 | ↓-1.3 | |
| 5/20 15:50 | 93.0 | ↓-1.4 | |
| 5/20 16:00 | 91.5 | ↓-1.5 | |
| 5/20 16:10 | 90.0 | ↓-1.5 | |
| 5/20 16:20 | 88.4 | ↓-1.6 | |
| 5/20 16:30 | 86.9 | ↓-1.5 | |
| 5/20 16:40 | 85.3 | ↓-1.6 | |
| 5/20 16:50 | 83.7 | ↓-1.6 | |
| 5/20 17:00 | 82.2 | ↓-1.5 | |
| 5/20 17:10 | 80.7 | ↓-1.5 | |
| 5/20 17:20 | 79.2 | ↓-1.5 | |
| 5/20 17:30 | 77.9 | ↓-1.3 | |
| 5/20 17:40 | 76.6 | ↓-1.3 | |
| 5/20 17:50 | 75.5 | ↓-1.1 | |
| 5/20 18:00 | 74.5 | ↓-1.0 | |
| 5/20 18:10 | 73.6 | ↓-0.9 | |
| 5/20 18:20 | 72.8 | ↓-0.8 | |
| 5/20 18:30 | 72.1 | ↓-0.7 | |
| 5/20 18:40 | 71.6 | ↓-0.5 | |
| 5/20 18:50 | 71.3 | ↓-0.3 | |
| 5/20 19:00 | 71.1 | ↓-0.2 | |
| 5/20 19:10 | 71.0 | ↓-0.1 | 干潮 |
| 5/20 19:20 | 71.0 | 0 | |
| 5/20 19:30 | 71.2 | ↑0.2 | |
| 5/20 19:40 | 71.6 | ↑0.4 | |
| 5/20 19:50 | 72.1 | ↑0.5 | |
| 5/20 20:00 | 72.7 | ↑0.6 | |
| 5/20 20:10 | 73.5 | ↑0.8 | |
| 5/20 20:20 | 74.4 | ↑0.9 | |
| 5/20 20:30 | 75.5 | ↑1.1 | |
| 5/20 20:40 | 76.7 | ↑1.2 | |
| 5/20 20:50 | 78.0 | ↑1.3 | |
| 5/20 21:00 | 79.4 | ↑1.4 | |
| 5/20 21:10 | 81.0 | ↑1.6 | |
| 5/20 21:20 | 82.7 | ↑1.7 | |
| 5/20 21:30 | 84.4 | ↑1.7 | |
| 5/20 21:40 | 86.3 | ↑1.9 | |
| 5/20 21:50 | 88.2 | ↑1.9 | |
| 5/20 22:00 | 90.2 | ↑2.0 | |
| 5/20 22:10 | 92.2 | ↑2.0 | |
| 5/20 22:20 | 94.3 | ↑2.1 | |
| 5/20 22:30 | 96.3 | ↑2.0 | |
| 5/20 22:40 | 98.4 | ↑2.1 | |
| 5/20 22:50 | 100.4 | ↑2.0 | |
| 5/20 23:00 | 102.3 | ↑1.9 | |
| 5/20 23:10 | 104.2 | ↑1.9 | |
| 5/20 23:20 | 106.1 | ↑1.9 | |
| 5/20 23:30 | 107.8 | ↑1.7 | |
| 5/20 23:40 | 109.4 | ↑1.6 | |
| 5/20 23:50 | 110.9 | ↑1.5 |