| 満潮 | 干潮 | 満潮 | 干潮 |
|
4
(月) |
00:58 | 08:35 | 15:56 | 20:32 |
| 138cm | 14cm | 129cm | 98cm | |
|
||||
日立（茨城）2039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 | 133.4 | ↑1.3 | |
| 7/4 00:10 | 134.5 | ↑1.1 | |
| 7/4 00:20 | 135.5 | ↑1.0 | |
| 7/4 00:30 | 136.2 | ↑0.7 | |
| 7/4 00:40 | 136.7 | ↑0.5 | |
| 7/4 00:50 | 137.0 | ↑0.3 | 満潮 |
| 7/4 01:00 | 137.0 | 0 | |
| 7/4 01:10 | 136.8 | ↓-0.2 | |
| 7/4 01:20 | 136.4 | ↓-0.4 | |
| 7/4 01:30 | 135.7 | ↓-0.7 | |
| 7/4 01:40 | 134.8 | ↓-0.9 | |
| 7/4 01:50 | 133.7 | ↓-1.1 | |
| 7/4 02:00 | 132.3 | ↓-1.4 | |
| 7/4 02:10 | 130.7 | ↓-1.6 | |
| 7/4 02:20 | 128.8 | ↓-1.9 | |
| 7/4 02:30 | 126.8 | ↓-2.0 | |
| 7/4 02:40 | 124.4 | ↓-2.4 | |
| 7/4 02:50 | 121.9 | ↓-2.5 | |
| 7/4 03:00 | 119.1 | ↓-2.8 | |
| 7/4 03:10 | 116.2 | ↓-2.9 | |
| 7/4 03:20 | 113.0 | ↓-3.2 | |
| 7/4 03:30 | 109.6 | ↓-3.4 | |
| 7/4 03:40 | 106.0 | ↓-3.6 | |
| 7/4 03:50 | 102.3 | ↓-3.7 | |
| 7/4 04:00 | 98.4 | ↓-3.9 | |
| 7/4 04:10 | 94.4 | ↓-4.0 | |
| 7/4 04:20 | 90.2 | ↓-4.2 | |
| 7/4 04:30 | 85.9 | ↓-4.3 | |
| 7/4 04:40 | 81.6 | ↓-4.3 | |
| 7/4 04:50 | 77.2 | ↓-4.4 | 最大潮位差 |
| 7/4 05:00 | 72.8 | ↓-4.4 | 最大潮位差 |
| 7/4 05:10 | 68.4 | ↓-4.4 | 最大潮位差 |
| 7/4 05:20 | 64.0 | ↓-4.4 | 最大潮位差 |
| 7/4 05:30 | 59.6 | ↓-4.4 | 最大潮位差 |
| 7/4 05:40 | 55.3 | ↓-4.3 | |
| 7/4 05:50 | 51.2 | ↓-4.1 | |
| 7/4 06:00 | 47.1 | ↓-4.1 | |
| 7/4 06:10 | 43.3 | ↓-3.8 | |
| 7/4 06:20 | 39.6 | ↓-3.7 | |
| 7/4 06:30 | 36.1 | ↓-3.5 | |
| 7/4 06:40 | 32.8 | ↓-3.3 | |
| 7/4 06:50 | 29.7 | ↓-3.1 | |
| 7/4 07:00 | 26.9 | ↓-2.8 | |
| 7/4 07:10 | 24.3 | ↓-2.6 | |
| 7/4 07:20 | 22.0 | ↓-2.3 | |
| 7/4 07:30 | 19.9 | ↓-2.1 | |
| 7/4 07:40 | 18.2 | ↓-1.7 | |
| 7/4 07:50 | 16.7 | ↓-1.5 | |
| 7/4 08:00 | 15.5 | ↓-1.2 | |
| 7/4 08:10 | 14.6 | ↓-0.9 | |
| 7/4 08:20 | 14.0 | ↓-0.6 | |
| 7/4 08:30 | 13.8 | ↓-0.2 | 干潮 |
| 7/4 08:40 | 13.8 | 0 | |
| 7/4 08:50 | 14.1 | ↑0.3 | |
| 7/4 09:00 | 14.7 | ↑0.6 | |
| 7/4 09:10 | 15.7 | ↑1.0 | |
| 7/4 09:20 | 16.9 | ↑1.2 | |
| 7/4 09:30 | 18.5 | ↑1.6 | |
| 7/4 09:40 | 20.3 | ↑1.8 | |
| 7/4 09:50 | 22.5 | ↑2.2 | |
| 7/4 10:00 | 24.9 | ↑2.4 | |
| 7/4 10:10 | 27.5 | ↑2.6 | |
| 7/4 10:20 | 30.5 | ↑3.0 | |
| 7/4 10:30 | 33.6 | ↑3.1 | |
| 7/4 10:40 | 37.0 | ↑3.4 | |
| 7/4 10:50 | 40.5 | ↑3.5 | |
| 7/4 11:00 | 44.3 | ↑3.8 | |
| 7/4 11:10 | 48.2 | ↑3.9 | |
| 7/4 11:20 | 52.2 | ↑4.0 | |
| 7/4 11:30 | 56.3 | ↑4.1 | |
| 7/4 11:40 | 60.4 | ↑4.1 | |
| 7/4 11:50 | 64.6 | ↑4.2 | |
| 7/4 12:00 | 68.8 | ↑4.2 | |
| 7/4 12:10 | 73.0 | ↑4.2 | |
| 7/4 12:20 | 77.2 | ↑4.2 | |
| 7/4 12:30 | 81.3 | ↑4.1 | |
| 7/4 12:40 | 85.3 | ↑4.0 | |
| 7/4 12:50 | 89.3 | ↑4.0 | |
| 7/4 13:00 | 93.1 | ↑3.8 | |
| 7/4 13:10 | 96.8 | ↑3.7 | |
| 7/4 13:20 | 100.3 | ↑3.5 | |
| 7/4 13:30 | 103.7 | ↑3.4 | |
| 7/4 13:40 | 106.9 | ↑3.2 | |
| 7/4 13:50 | 109.9 | ↑3.0 | |
| 7/4 14:00 | 112.7 | ↑2.8 | |
| 7/4 14:10 | 115.3 | ↑2.6 | |
| 7/4 14:20 | 117.7 | ↑2.4 | |
| 7/4 14:30 | 119.9 | ↑2.2 | |
| 7/4 14:40 | 121.9 | ↑2.0 | |
| 7/4 14:50 | 123.6 | ↑1.7 | |
| 7/4 15:00 | 125.1 | ↑1.5 | |
| 7/4 15:10 | 126.3 | ↑1.2 | |
| 7/4 15:20 | 127.3 | ↑1.0 | |
| 7/4 15:30 | 128.0 | ↑0.7 | |
| 7/4 15:40 | 128.5 | ↑0.5 | |
| 7/4 15:50 | 128.7 | ↑0.2 | 満潮 |
| 7/4 16:00 | 128.7 | 0 | |
| 7/4 16:10 | 128.5 | ↓-0.2 | |
| 7/4 16:20 | 128.0 | ↓-0.5 | |
| 7/4 16:30 | 127.3 | ↓-0.7 | |
| 7/4 16:40 | 126.4 | ↓-0.9 | |
| 7/4 16:50 | 125.3 | ↓-1.1 | |
| 7/4 17:00 | 124.1 | ↓-1.2 | |
| 7/4 17:10 | 122.7 | ↓-1.4 | |
| 7/4 17:20 | 121.1 | ↓-1.6 | |
| 7/4 17:30 | 119.5 | ↓-1.6 | |
| 7/4 17:40 | 117.8 | ↓-1.7 | |
| 7/4 17:50 | 116.1 | ↓-1.7 | |
| 7/4 18:00 | 114.3 | ↓-1.8 | |
| 7/4 18:10 | 112.5 | ↓-1.8 | |
| 7/4 18:20 | 110.8 | ↓-1.7 | |
| 7/4 18:30 | 109.1 | ↓-1.7 | |
| 7/4 18:40 | 107.4 | ↓-1.7 | |
| 7/4 18:50 | 105.9 | ↓-1.5 | |
| 7/4 19:00 | 104.4 | ↓-1.5 | |
| 7/4 19:10 | 103.1 | ↓-1.3 | |
| 7/4 19:20 | 101.9 | ↓-1.2 | |
| 7/4 19:30 | 100.8 | ↓-1.1 | |
| 7/4 19:40 | 99.9 | ↓-0.9 | |
| 7/4 19:50 | 99.1 | ↓-0.8 | |
| 7/4 20:00 | 98.5 | ↓-0.6 | |
| 7/4 20:10 | 98.0 | ↓-0.5 | |
| 7/4 20:20 | 97.7 | ↓-0.3 | |
| 7/4 20:30 | 97.6 | ↓-0.1 | 干潮 |
| 7/4 20:40 | 97.7 | ↑0.1 | |
| 7/4 20:50 | 97.9 | ↑0.2 | |
| 7/4 21:00 | 98.3 | ↑0.4 | |
| 7/4 21:10 | 98.9 | ↑0.6 | |
| 7/4 21:20 | 99.7 | ↑0.8 | |
| 7/4 21:30 | 100.7 | ↑1.0 | |
| 7/4 21:40 | 101.8 | ↑1.1 | |
| 7/4 21:50 | 103.1 | ↑1.3 | |
| 7/4 22:00 | 104.5 | ↑1.4 | |
| 7/4 22:10 | 106.1 | ↑1.6 | |
| 7/4 22:20 | 107.9 | ↑1.8 | |
| 7/4 22:30 | 109.7 | ↑1.8 | |
| 7/4 22:40 | 111.7 | ↑2.0 | |
| 7/4 22:50 | 113.8 | ↑2.1 | |
| 7/4 23:00 | 115.9 | ↑2.1 | |
| 7/4 23:10 | 118.2 | ↑2.3 | |
| 7/4 23:20 | 120.4 | ↑2.2 | |
| 7/4 23:30 | 122.6 | ↑2.2 | |
| 7/4 23:40 | 124.8 | ↑2.2 | |
| 7/4 23:50 | 127.0 | ↑2.2 |