| 満潮 | 干潮 | 満潮 | 干潮 |
|
4
(日) |
03:54 | 11:17 | 18:28 | 23:22 |
| 141cm | 4cm | 133cm | 95cm | |
|
||||
大洗（茨城）2038年07月4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 |
|---|---|---|---|
| 7/4 00:00 | 101.3 | ↑1.4 | |
| 7/4 00:10 | 102.8 | ↑1.5 | |
| 7/4 00:20 | 104.5 | ↑1.7 | |
| 7/4 00:30 | 106.3 | ↑1.8 | |
| 7/4 00:40 | 108.2 | ↑1.9 | |
| 7/4 00:50 | 110.3 | ↑2.1 | |
| 7/4 01:00 | 112.4 | ↑2.1 | |
| 7/4 01:10 | 114.6 | ↑2.2 | |
| 7/4 01:20 | 116.8 | ↑2.2 | |
| 7/4 01:30 | 119.1 | ↑2.3 | |
| 7/4 01:40 | 121.4 | ↑2.3 | |
| 7/4 01:50 | 123.6 | ↑2.2 | |
| 7/4 02:00 | 125.8 | ↑2.2 | |
| 7/4 02:10 | 127.9 | ↑2.1 | |
| 7/4 02:20 | 129.9 | ↑2.0 | |
| 7/4 02:30 | 131.8 | ↑1.9 | |
| 7/4 02:40 | 133.5 | ↑1.7 | |
| 7/4 02:50 | 135.1 | ↑1.6 | |
| 7/4 03:00 | 136.5 | ↑1.4 | |
| 7/4 03:10 | 137.6 | ↑1.1 | |
| 7/4 03:20 | 138.6 | ↑1.0 | |
| 7/4 03:30 | 139.3 | ↑0.7 | |
| 7/4 03:40 | 139.8 | ↑0.5 | |
| 7/4 03:50 | 140.0 | ↑0.2 | 満潮 |
| 7/4 04:00 | 140.0 | 0 | |
| 7/4 04:10 | 139.7 | ↓-0.3 | |
| 7/4 04:20 | 139.1 | ↓-0.6 | |
| 7/4 04:30 | 138.2 | ↓-0.9 | |
| 7/4 04:40 | 137.0 | ↓-1.2 | |
| 7/4 04:50 | 135.6 | ↓-1.4 | |
| 7/4 05:00 | 133.8 | ↓-1.8 | |
| 7/4 05:10 | 131.8 | ↓-2.0 | |
| 7/4 05:20 | 129.4 | ↓-2.4 | |
| 7/4 05:30 | 126.8 | ↓-2.6 | |
| 7/4 05:40 | 123.9 | ↓-2.9 | |
| 7/4 05:50 | 120.8 | ↓-3.1 | |
| 7/4 06:00 | 117.4 | ↓-3.4 | |
| 7/4 06:10 | 113.7 | ↓-3.7 | |
| 7/4 06:20 | 109.9 | ↓-3.8 | |
| 7/4 06:30 | 105.8 | ↓-4.1 | |
| 7/4 06:40 | 101.5 | ↓-4.3 | |
| 7/4 06:50 | 97.1 | ↓-4.4 | |
| 7/4 07:00 | 92.5 | ↓-4.6 | |
| 7/4 07:10 | 87.7 | ↓-4.8 | |
| 7/4 07:20 | 82.9 | ↓-4.8 | |
| 7/4 07:30 | 78.0 | ↓-4.9 | |
| 7/4 07:40 | 73.0 | ↓-5.0 | 最大潮位差 |
| 7/4 07:50 | 68.1 | ↓-4.9 | |
| 7/4 08:00 | 63.1 | ↓-5.0 | 最大潮位差 |
| 7/4 08:10 | 58.1 | ↓-5.0 | 最大潮位差 |
| 7/4 08:20 | 53.3 | ↓-4.8 | |
| 7/4 08:30 | 48.5 | ↓-4.8 | |
| 7/4 08:40 | 43.8 | ↓-4.7 | |
| 7/4 08:50 | 39.3 | ↓-4.5 | |
| 7/4 09:00 | 34.9 | ↓-4.4 | |
| 7/4 09:10 | 30.8 | ↓-4.1 | |
| 7/4 09:20 | 26.8 | ↓-4.0 | |
| 7/4 09:30 | 23.1 | ↓-3.7 | |
| 7/4 09:40 | 19.7 | ↓-3.4 | |
| 7/4 09:50 | 16.5 | ↓-3.2 | |
| 7/4 10:00 | 13.7 | ↓-2.8 | |
| 7/4 10:10 | 11.2 | ↓-2.5 | |
| 7/4 10:20 | 9.0 | ↓-2.2 | |
| 7/4 10:30 | 7.1 | ↓-1.9 | |
| 7/4 10:40 | 5.6 | ↓-1.5 | |
| 7/4 10:50 | 4.5 | ↓-1.1 | |
| 7/4 11:00 | 3.7 | ↓-0.8 | |
| 7/4 11:10 | 3.3 | ↓-0.4 | 干潮 |
| 7/4 11:20 | 3.3 | 0 | |
| 7/4 11:30 | 3.6 | ↑0.3 | |
| 7/4 11:40 | 4.4 | ↑0.8 | |
| 7/4 11:50 | 5.5 | ↑1.1 | |
| 7/4 12:00 | 6.9 | ↑1.4 | |
| 7/4 12:10 | 8.8 | ↑1.9 | |
| 7/4 12:20 | 11.0 | ↑2.2 | |
| 7/4 12:30 | 13.5 | ↑2.5 | |
| 7/4 12:40 | 16.3 | ↑2.8 | |
| 7/4 12:50 | 19.5 | ↑3.2 | |
| 7/4 13:00 | 22.9 | ↑3.4 | |
| 7/4 13:10 | 26.6 | ↑3.7 | |
| 7/4 13:20 | 30.5 | ↑3.9 | |
| 7/4 13:30 | 34.7 | ↑4.2 | |
| 7/4 13:40 | 39.0 | ↑4.3 | |
| 7/4 13:50 | 43.5 | ↑4.5 | |
| 7/4 14:00 | 48.1 | ↑4.6 | |
| 7/4 14:10 | 52.8 | ↑4.7 | |
| 7/4 14:20 | 57.6 | ↑4.8 | |
| 7/4 14:30 | 62.4 | ↑4.8 | |
| 7/4 14:40 | 67.2 | ↑4.8 | |
| 7/4 14:50 | 72.0 | ↑4.8 | |
| 7/4 15:00 | 76.8 | ↑4.8 | |
| 7/4 15:10 | 81.5 | ↑4.7 | |
| 7/4 15:20 | 86.0 | ↑4.5 | |
| 7/4 15:30 | 90.5 | ↑4.5 | |
| 7/4 15:40 | 94.8 | ↑4.3 | |
| 7/4 15:50 | 98.9 | ↑4.1 | |
| 7/4 16:00 | 102.9 | ↑4.0 | |
| 7/4 16:10 | 106.6 | ↑3.7 | |
| 7/4 16:20 | 110.1 | ↑3.5 | |
| 7/4 16:30 | 113.4 | ↑3.3 | |
| 7/4 16:40 | 116.4 | ↑3.0 | |
| 7/4 16:50 | 119.2 | ↑2.8 | |
| 7/4 17:00 | 121.7 | ↑2.5 | |
| 7/4 17:10 | 124.0 | ↑2.3 | |
| 7/4 17:20 | 126.0 | ↑2.0 | |
| 7/4 17:30 | 127.7 | ↑1.7 | |
| 7/4 17:40 | 129.1 | ↑1.4 | |
| 7/4 17:50 | 130.2 | ↑1.1 | |
| 7/4 18:00 | 131.1 | ↑0.9 | |
| 7/4 18:10 | 131.7 | ↑0.6 | |
| 7/4 18:20 | 132.0 | ↑0.3 | 満潮 |
| 7/4 18:30 | 132.0 | 0 | |
| 7/4 18:40 | 131.8 | ↓-0.2 | |
| 7/4 18:50 | 131.3 | ↓-0.5 | |
| 7/4 19:00 | 130.7 | ↓-0.6 | |
| 7/4 19:10 | 129.8 | ↓-0.9 | |
| 7/4 19:20 | 128.7 | ↓-1.1 | |
| 7/4 19:30 | 127.4 | ↓-1.3 | |
| 7/4 19:40 | 125.9 | ↓-1.5 | |
| 7/4 19:50 | 124.4 | ↓-1.5 | |
| 7/4 20:00 | 122.7 | ↓-1.7 | |
| 7/4 20:10 | 120.8 | ↓-1.9 | |
| 7/4 20:20 | 119.0 | ↓-1.8 | |
| 7/4 20:30 | 117.0 | ↓-2.0 | |
| 7/4 20:40 | 115.1 | ↓-1.9 | |
| 7/4 20:50 | 113.1 | ↓-2.0 | |
| 7/4 21:00 | 111.1 | ↓-2.0 | |
| 7/4 21:10 | 109.2 | ↓-1.9 | |
| 7/4 21:20 | 107.3 | ↓-1.9 | |
| 7/4 21:30 | 105.5 | ↓-1.8 | |
| 7/4 21:40 | 103.7 | ↓-1.8 | |
| 7/4 21:50 | 102.1 | ↓-1.6 | |
| 7/4 22:00 | 100.6 | ↓-1.5 | |
| 7/4 22:10 | 99.3 | ↓-1.3 | |
| 7/4 22:20 | 98.0 | ↓-1.3 | |
| 7/4 22:30 | 97.0 | ↓-1.0 | |
| 7/4 22:40 | 96.1 | ↓-0.9 | |
| 7/4 22:50 | 95.4 | ↓-0.7 | |
| 7/4 23:00 | 94.9 | ↓-0.5 | |
| 7/4 23:10 | 94.6 | ↓-0.3 | |
| 7/4 23:20 | 94.5 | ↓-0.1 | 干潮 |
| 7/4 23:30 | 94.5 | 0 | |
| 7/4 23:40 | 94.8 | ↑0.3 | |
| 7/4 23:50 | 95.3 | ↑0.5 |