| 満潮 | 干潮 | 満潮 | 干潮 |
|
30
(日) |
12:54 | 04:29 | 21:06 | 14:36 |
| 109cm | 52cm | 144cm | 109cm | |
|
||||
大洗（茨城）2028年07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 |
|---|---|---|---|
| 7/30 00:00 | 105.2 | ↓-3.1 | 最大潮位差 |
| 7/30 00:10 | 102.1 | ↓-3.1 | 最大潮位差 |
| 7/30 00:20 | 99.1 | ↓-3.0 | |
| 7/30 00:30 | 96.0 | ↓-3.1 | 最大潮位差 |
| 7/30 00:40 | 93.0 | ↓-3.0 | |
| 7/30 00:50 | 90.0 | ↓-3.0 | |
| 7/30 01:00 | 87.0 | ↓-3.0 | |
| 7/30 01:10 | 84.1 | ↓-2.9 | |
| 7/30 01:20 | 81.2 | ↓-2.9 | |
| 7/30 01:30 | 78.5 | ↓-2.7 | |
| 7/30 01:40 | 75.8 | ↓-2.7 | |
| 7/30 01:50 | 73.2 | ↓-2.6 | |
| 7/30 02:00 | 70.7 | ↓-2.5 | |
| 7/30 02:10 | 68.3 | ↓-2.4 | |
| 7/30 02:20 | 66.0 | ↓-2.3 | |
| 7/30 02:30 | 63.9 | ↓-2.1 | |
| 7/30 02:40 | 61.9 | ↓-2.0 | |
| 7/30 02:50 | 60.1 | ↓-1.8 | |
| 7/30 03:00 | 58.4 | ↓-1.7 | |
| 7/30 03:10 | 56.9 | ↓-1.5 | |
| 7/30 03:20 | 55.5 | ↓-1.4 | |
| 7/30 03:30 | 54.3 | ↓-1.2 | |
| 7/30 03:40 | 53.4 | ↓-0.9 | |
| 7/30 03:50 | 52.6 | ↓-0.8 | |
| 7/30 04:00 | 51.9 | ↓-0.7 | |
| 7/30 04:10 | 51.5 | ↓-0.4 | |
| 7/30 04:20 | 51.3 | ↓-0.2 | 干潮 |
| 7/30 04:30 | 51.2 | ↓-0.1 | |
| 7/30 04:40 | 51.4 | ↑0.2 | |
| 7/30 04:50 | 51.7 | ↑0.3 | |
| 7/30 05:00 | 52.1 | ↑0.4 | |
| 7/30 05:10 | 52.8 | ↑0.7 | |
| 7/30 05:20 | 53.6 | ↑0.8 | |
| 7/30 05:30 | 54.5 | ↑0.9 | |
| 7/30 05:40 | 55.6 | ↑1.1 | |
| 7/30 05:50 | 56.8 | ↑1.2 | |
| 7/30 06:00 | 58.2 | ↑1.4 | |
| 7/30 06:10 | 59.6 | ↑1.4 | |
| 7/30 06:20 | 61.1 | ↑1.5 | |
| 7/30 06:30 | 62.8 | ↑1.7 | |
| 7/30 06:40 | 64.5 | ↑1.7 | |
| 7/30 06:50 | 66.2 | ↑1.7 | |
| 7/30 07:00 | 68.0 | ↑1.8 | |
| 7/30 07:10 | 69.9 | ↑1.9 | |
| 7/30 07:20 | 71.8 | ↑1.9 | |
| 7/30 07:30 | 73.7 | ↑1.9 | |
| 7/30 07:40 | 75.7 | ↑2.0 | |
| 7/30 07:50 | 77.6 | ↑1.9 | |
| 7/30 08:00 | 79.6 | ↑2.0 | |
| 7/30 08:10 | 81.5 | ↑1.9 | |
| 7/30 08:20 | 83.5 | ↑2.0 | |
| 7/30 08:30 | 85.4 | ↑1.9 | |
| 7/30 08:40 | 87.2 | ↑1.8 | |
| 7/30 08:50 | 89.0 | ↑1.8 | |
| 7/30 09:00 | 90.8 | ↑1.8 | |
| 7/30 09:10 | 92.5 | ↑1.7 | |
| 7/30 09:20 | 94.1 | ↑1.6 | |
| 7/30 09:30 | 95.6 | ↑1.5 | |
| 7/30 09:40 | 97.1 | ↑1.5 | |
| 7/30 09:50 | 98.5 | ↑1.4 | |
| 7/30 10:00 | 99.8 | ↑1.3 | |
| 7/30 10:10 | 100.9 | ↑1.1 | |
| 7/30 10:20 | 102.1 | ↑1.2 | |
| 7/30 10:30 | 103.1 | ↑1.0 | |
| 7/30 10:40 | 104.0 | ↑0.9 | |
| 7/30 10:50 | 104.8 | ↑0.8 | |
| 7/30 11:00 | 105.6 | ↑0.8 | |
| 7/30 11:10 | 106.2 | ↑0.6 | |
| 7/30 11:20 | 106.8 | ↑0.6 | |
| 7/30 11:30 | 107.3 | ↑0.5 | |
| 7/30 11:40 | 107.7 | ↑0.4 | |
| 7/30 11:50 | 108.0 | ↑0.3 | |
| 7/30 12:00 | 108.3 | ↑0.3 | |
| 7/30 12:10 | 108.5 | ↑0.2 | |
| 7/30 12:20 | 108.7 | ↑0.2 | |
| 7/30 12:30 | 108.8 | ↑0.1 | |
| 7/30 12:40 | 108.9 | ↑0.1 | |
| 7/30 12:50 | 108.9 | 0 | 満潮 |
| 7/30 13:00 | 108.9 | 0 | |
| 7/30 13:10 | 108.8 | ↓-0.1 | |
| 7/30 13:20 | 108.8 | 0 | |
| 7/30 13:30 | 108.7 | ↓-0.1 | |
| 7/30 13:40 | 108.6 | ↓-0.1 | |
| 7/30 13:50 | 108.5 | ↓-0.1 | |
| 7/30 14:00 | 108.4 | ↓-0.1 | |
| 7/30 14:10 | 108.4 | 0 | |
| 7/30 14:20 | 108.3 | ↓-0.1 | |
| 7/30 14:30 | 108.3 | 0 | 干潮 |
| 7/30 14:40 | 108.3 | 0 | |
| 7/30 14:50 | 108.3 | 0 | |
| 7/30 15:00 | 108.4 | ↑0.1 | |
| 7/30 15:10 | 108.6 | ↑0.2 | |
| 7/30 15:20 | 108.8 | ↑0.2 | |
| 7/30 15:30 | 109.1 | ↑0.3 | |
| 7/30 15:40 | 109.5 | ↑0.4 | |
| 7/30 15:50 | 110.0 | ↑0.5 | |
| 7/30 16:00 | 110.5 | ↑0.5 | |
| 7/30 16:10 | 111.2 | ↑0.7 | |
| 7/30 16:20 | 112.0 | ↑0.8 | |
| 7/30 16:30 | 112.8 | ↑0.8 | |
| 7/30 16:40 | 113.8 | ↑1.0 | |
| 7/30 16:50 | 114.8 | ↑1.0 | |
| 7/30 17:00 | 116.0 | ↑1.2 | |
| 7/30 17:10 | 117.2 | ↑1.2 | |
| 7/30 17:20 | 118.5 | ↑1.3 | |
| 7/30 17:30 | 119.8 | ↑1.3 | |
| 7/30 17:40 | 121.3 | ↑1.5 | |
| 7/30 17:50 | 122.7 | ↑1.4 | |
| 7/30 18:00 | 124.2 | ↑1.5 | |
| 7/30 18:10 | 125.7 | ↑1.5 | |
| 7/30 18:20 | 127.2 | ↑1.5 | |
| 7/30 18:30 | 128.7 | ↑1.5 | |
| 7/30 18:40 | 130.2 | ↑1.5 | |
| 7/30 18:50 | 131.7 | ↑1.5 | |
| 7/30 19:00 | 133.1 | ↑1.4 | |
| 7/30 19:10 | 134.5 | ↑1.4 | |
| 7/30 19:20 | 135.8 | ↑1.3 | |
| 7/30 19:30 | 137.1 | ↑1.3 | |
| 7/30 19:40 | 138.2 | ↑1.1 | |
| 7/30 19:50 | 139.3 | ↑1.1 | |
| 7/30 20:00 | 140.2 | ↑0.9 | |
| 7/30 20:10 | 141.1 | ↑0.9 | |
| 7/30 20:20 | 141.8 | ↑0.7 | |
| 7/30 20:30 | 142.4 | ↑0.6 | |
| 7/30 20:40 | 142.9 | ↑0.5 | |
| 7/30 20:50 | 143.2 | ↑0.3 | |
| 7/30 21:00 | 143.3 | ↑0.1 | 満潮 |
| 7/30 21:10 | 143.3 | 0 | |
| 7/30 21:20 | 143.2 | ↓-0.1 | |
| 7/30 21:30 | 142.9 | ↓-0.3 | |
| 7/30 21:40 | 142.4 | ↓-0.5 | |
| 7/30 21:50 | 141.7 | ↓-0.7 | |
| 7/30 22:00 | 140.9 | ↓-0.8 | |
| 7/30 22:10 | 140.0 | ↓-0.9 | |
| 7/30 22:20 | 138.8 | ↓-1.2 | |
| 7/30 22:30 | 137.5 | ↓-1.3 | |
| 7/30 22:40 | 136.1 | ↓-1.4 | |
| 7/30 22:50 | 134.5 | ↓-1.6 | |
| 7/30 23:00 | 132.8 | ↓-1.7 | |
| 7/30 23:10 | 130.9 | ↓-1.9 | |
| 7/30 23:20 | 128.9 | ↓-2.0 | |
| 7/30 23:30 | 126.8 | ↓-2.1 | |
| 7/30 23:40 | 124.6 | ↓-2.2 | |
| 7/30 23:50 | 122.3 | ↓-2.3 |