| 満潮 | 干潮 | 満潮 | 干潮 |
|
18
(金) |
02:16 | 09:32 | 16:35 | 21:40 |
| 135cm | 23cm | 129cm | 92cm | |
|
||||
日立（茨城）2031年07月18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 |
|---|---|---|---|
| 7/18 00:00 | 119.1 | ↑1.9 | |
| 7/18 00:10 | 121.0 | ↑1.9 | |
| 7/18 00:20 | 122.8 | ↑1.8 | |
| 7/18 00:30 | 124.5 | ↑1.7 | |
| 7/18 00:40 | 126.1 | ↑1.6 | |
| 7/18 00:50 | 127.6 | ↑1.5 | |
| 7/18 01:00 | 129.0 | ↑1.4 | |
| 7/18 01:10 | 130.2 | ↑1.2 | |
| 7/18 01:20 | 131.3 | ↑1.1 | |
| 7/18 01:30 | 132.2 | ↑0.9 | |
| 7/18 01:40 | 133.0 | ↑0.8 | |
| 7/18 01:50 | 133.6 | ↑0.6 | |
| 7/18 02:00 | 134.0 | ↑0.4 | |
| 7/18 02:10 | 134.2 | ↑0.2 | 満潮 |
| 7/18 02:20 | 134.2 | 0 | |
| 7/18 02:30 | 133.9 | ↓-0.3 | |
| 7/18 02:40 | 133.5 | ↓-0.4 | |
| 7/18 02:50 | 132.8 | ↓-0.7 | |
| 7/18 03:00 | 131.9 | ↓-0.9 | |
| 7/18 03:10 | 130.8 | ↓-1.1 | |
| 7/18 03:20 | 129.4 | ↓-1.4 | |
| 7/18 03:30 | 127.8 | ↓-1.6 | |
| 7/18 03:40 | 125.9 | ↓-1.9 | |
| 7/18 03:50 | 123.7 | ↓-2.2 | |
| 7/18 04:00 | 121.4 | ↓-2.3 | |
| 7/18 04:10 | 118.7 | ↓-2.7 | |
| 7/18 04:20 | 115.9 | ↓-2.8 | |
| 7/18 04:30 | 112.8 | ↓-3.1 | |
| 7/18 04:40 | 109.5 | ↓-3.3 | |
| 7/18 04:50 | 106.0 | ↓-3.5 | |
| 7/18 05:00 | 102.3 | ↓-3.7 | |
| 7/18 05:10 | 98.5 | ↓-3.8 | |
| 7/18 05:20 | 94.5 | ↓-4.0 | |
| 7/18 05:30 | 90.5 | ↓-4.0 | |
| 7/18 05:40 | 86.3 | ↓-4.2 | 最大潮位差 |
| 7/18 05:50 | 82.1 | ↓-4.2 | 最大潮位差 |
| 7/18 06:00 | 77.9 | ↓-4.2 | 最大潮位差 |
| 7/18 06:10 | 73.7 | ↓-4.2 | 最大潮位差 |
| 7/18 06:20 | 69.5 | ↓-4.2 | 最大潮位差 |
| 7/18 06:30 | 65.3 | ↓-4.2 | 最大潮位差 |
| 7/18 06:40 | 61.3 | ↓-4.0 | |
| 7/18 06:50 | 57.3 | ↓-4.0 | |
| 7/18 07:00 | 53.5 | ↓-3.8 | |
| 7/18 07:10 | 49.8 | ↓-3.7 | |
| 7/18 07:20 | 46.3 | ↓-3.5 | |
| 7/18 07:30 | 43.0 | ↓-3.3 | |
| 7/18 07:40 | 39.9 | ↓-3.1 | |
| 7/18 07:50 | 36.9 | ↓-3.0 | |
| 7/18 08:00 | 34.3 | ↓-2.6 | |
| 7/18 08:10 | 31.8 | ↓-2.5 | |
| 7/18 08:20 | 29.6 | ↓-2.2 | |
| 7/18 08:30 | 27.7 | ↓-1.9 | |
| 7/18 08:40 | 26.0 | ↓-1.7 | |
| 7/18 08:50 | 24.6 | ↓-1.4 | |
| 7/18 09:00 | 23.5 | ↓-1.1 | |
| 7/18 09:10 | 22.7 | ↓-0.8 | |
| 7/18 09:20 | 22.2 | ↓-0.5 | |
| 7/18 09:30 | 22.1 | ↓-0.1 | 干潮 |
| 7/18 09:40 | 22.2 | ↑0.1 | |
| 7/18 09:50 | 22.7 | ↑0.5 | |
| 7/18 10:00 | 23.4 | ↑0.7 | |
| 7/18 10:10 | 24.5 | ↑1.1 | |
| 7/18 10:20 | 26.0 | ↑1.5 | |
| 7/18 10:30 | 27.7 | ↑1.7 | |
| 7/18 10:40 | 29.7 | ↑2.0 | |
| 7/18 10:50 | 32.0 | ↑2.3 | |
| 7/18 11:00 | 34.6 | ↑2.6 | |
| 7/18 11:10 | 37.4 | ↑2.8 | |
| 7/18 11:20 | 40.4 | ↑3.0 | |
| 7/18 11:30 | 43.7 | ↑3.3 | |
| 7/18 11:40 | 47.1 | ↑3.4 | |
| 7/18 11:50 | 50.7 | ↑3.6 | |
| 7/18 12:00 | 54.4 | ↑3.7 | |
| 7/18 12:10 | 58.2 | ↑3.8 | |
| 7/18 12:20 | 62.1 | ↑3.9 | |
| 7/18 12:30 | 66.1 | ↑4.0 | |
| 7/18 12:40 | 70.1 | ↑4.0 | |
| 7/18 12:50 | 74.0 | ↑3.9 | |
| 7/18 13:00 | 78.0 | ↑4.0 | |
| 7/18 13:10 | 81.9 | ↑3.9 | |
| 7/18 13:20 | 85.7 | ↑3.8 | |
| 7/18 13:30 | 89.5 | ↑3.8 | |
| 7/18 13:40 | 93.2 | ↑3.7 | |
| 7/18 13:50 | 96.7 | ↑3.5 | |
| 7/18 14:00 | 100.2 | ↑3.5 | |
| 7/18 14:10 | 103.4 | ↑3.2 | |
| 7/18 14:20 | 106.6 | ↑3.2 | |
| 7/18 14:30 | 109.5 | ↑2.9 | |
| 7/18 14:40 | 112.3 | ↑2.8 | |
| 7/18 14:50 | 114.9 | ↑2.6 | |
| 7/18 15:00 | 117.3 | ↑2.4 | |
| 7/18 15:10 | 119.5 | ↑2.2 | |
| 7/18 15:20 | 121.5 | ↑2.0 | |
| 7/18 15:30 | 123.2 | ↑1.7 | |
| 7/18 15:40 | 124.7 | ↑1.5 | |
| 7/18 15:50 | 126.0 | ↑1.3 | |
| 7/18 16:00 | 126.9 | ↑0.9 | |
| 7/18 16:10 | 127.7 | ↑0.8 | |
| 7/18 16:20 | 128.2 | ↑0.5 | |
| 7/18 16:30 | 128.4 | ↑0.2 | 満潮 |
| 7/18 16:40 | 128.4 | 0 | |
| 7/18 16:50 | 128.1 | ↓-0.3 | |
| 7/18 17:00 | 127.6 | ↓-0.5 | |
| 7/18 17:10 | 126.8 | ↓-0.8 | |
| 7/18 17:20 | 125.9 | ↓-0.9 | |
| 7/18 17:30 | 124.8 | ↓-1.1 | |
| 7/18 17:40 | 123.4 | ↓-1.4 | |
| 7/18 17:50 | 122.0 | ↓-1.4 | |
| 7/18 18:00 | 120.4 | ↓-1.6 | |
| 7/18 18:10 | 118.7 | ↓-1.7 | |
| 7/18 18:20 | 116.9 | ↓-1.8 | |
| 7/18 18:30 | 115.1 | ↓-1.8 | |
| 7/18 18:40 | 113.2 | ↓-1.9 | |
| 7/18 18:50 | 111.3 | ↓-1.9 | |
| 7/18 19:00 | 109.4 | ↓-1.9 | |
| 7/18 19:10 | 107.5 | ↓-1.9 | |
| 7/18 19:20 | 105.7 | ↓-1.8 | |
| 7/18 19:30 | 103.9 | ↓-1.8 | |
| 7/18 19:40 | 102.2 | ↓-1.7 | |
| 7/18 19:50 | 100.6 | ↓-1.6 | |
| 7/18 20:00 | 99.0 | ↓-1.6 | |
| 7/18 20:10 | 97.6 | ↓-1.4 | |
| 7/18 20:20 | 96.3 | ↓-1.3 | |
| 7/18 20:30 | 95.1 | ↓-1.2 | |
| 7/18 20:40 | 94.1 | ↓-1.0 | |
| 7/18 20:50 | 93.2 | ↓-0.9 | |
| 7/18 21:00 | 92.5 | ↓-0.7 | |
| 7/18 21:10 | 91.9 | ↓-0.6 | |
| 7/18 21:20 | 91.4 | ↓-0.5 | |
| 7/18 21:30 | 91.2 | ↓-0.2 | 干潮 |
| 7/18 21:40 | 91.1 | ↓-0.1 | 干潮 |
| 7/18 21:50 | 91.2 | ↑0.1 | |
| 7/18 22:00 | 91.5 | ↑0.3 | |
| 7/18 22:10 | 92.1 | ↑0.6 | |
| 7/18 22:20 | 92.8 | ↑0.7 | |
| 7/18 22:30 | 93.6 | ↑0.8 | |
| 7/18 22:40 | 94.7 | ↑1.1 | |
| 7/18 22:50 | 96.0 | ↑1.3 | |
| 7/18 23:00 | 97.5 | ↑1.5 | |
| 7/18 23:10 | 99.1 | ↑1.6 | |
| 7/18 23:20 | 100.8 | ↑1.7 | |
| 7/18 23:30 | 102.7 | ↑1.9 | |
| 7/18 23:40 | 104.8 | ↑2.1 | |
| 7/18 23:50 | 106.9 | ↑2.1 |