| 満潮 | 干潮 | 満潮 | 干潮 |
|
18
(火) |
02:50 | 09:39 | 16:23 | 21:45 |
| 131cm | 7cm | 127cm | 63cm | |
|
||||
日立（茨城）2038年05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 |
|---|---|---|---|
| 5/18 00:00 | 94.0 | ↑3.5 | |
| 5/18 00:10 | 97.4 | ↑3.4 | |
| 5/18 00:20 | 100.9 | ↑3.5 | |
| 5/18 00:30 | 104.2 | ↑3.3 | |
| 5/18 00:40 | 107.5 | ↑3.3 | |
| 5/18 00:50 | 110.6 | ↑3.1 | |
| 5/18 01:00 | 113.6 | ↑3.0 | |
| 5/18 01:10 | 116.4 | ↑2.8 | |
| 5/18 01:20 | 119.0 | ↑2.6 | |
| 5/18 01:30 | 121.4 | ↑2.4 | |
| 5/18 01:40 | 123.5 | ↑2.1 | |
| 5/18 01:50 | 125.4 | ↑1.9 | |
| 5/18 02:00 | 127.0 | ↑1.6 | |
| 5/18 02:10 | 128.4 | ↑1.4 | |
| 5/18 02:20 | 129.4 | ↑1.0 | |
| 5/18 02:30 | 130.2 | ↑0.8 | |
| 5/18 02:40 | 130.6 | ↑0.4 | 満潮 |
| 5/18 02:50 | 130.7 | ↑0.1 | 満潮 |
| 5/18 03:00 | 130.5 | ↓-0.2 | |
| 5/18 03:10 | 130.0 | ↓-0.5 | |
| 5/18 03:20 | 129.2 | ↓-0.8 | |
| 5/18 03:30 | 128.0 | ↓-1.2 | |
| 5/18 03:40 | 126.5 | ↓-1.5 | |
| 5/18 03:50 | 124.7 | ↓-1.8 | |
| 5/18 04:00 | 122.5 | ↓-2.2 | |
| 5/18 04:10 | 120.1 | ↓-2.4 | |
| 5/18 04:20 | 117.3 | ↓-2.8 | |
| 5/18 04:30 | 114.3 | ↓-3.0 | |
| 5/18 04:40 | 110.9 | ↓-3.4 | |
| 5/18 04:50 | 107.3 | ↓-3.6 | |
| 5/18 05:00 | 103.4 | ↓-3.9 | |
| 5/18 05:10 | 99.3 | ↓-4.1 | |
| 5/18 05:20 | 95.0 | ↓-4.3 | |
| 5/18 05:30 | 90.5 | ↓-4.5 | |
| 5/18 05:40 | 85.8 | ↓-4.7 | |
| 5/18 05:50 | 81.1 | ↓-4.7 | |
| 5/18 06:00 | 76.2 | ↓-4.9 | 最大潮位差 |
| 5/18 06:10 | 71.3 | ↓-4.9 | 最大潮位差 |
| 5/18 06:20 | 66.4 | ↓-4.9 | 最大潮位差 |
| 5/18 06:30 | 61.5 | ↓-4.9 | 最大潮位差 |
| 5/18 06:40 | 56.6 | ↓-4.9 | 最大潮位差 |
| 5/18 06:50 | 51.8 | ↓-4.8 | |
| 5/18 07:00 | 47.2 | ↓-4.6 | |
| 5/18 07:10 | 42.6 | ↓-4.6 | |
| 5/18 07:20 | 38.3 | ↓-4.3 | |
| 5/18 07:30 | 34.1 | ↓-4.2 | |
| 5/18 07:40 | 30.2 | ↓-3.9 | |
| 5/18 07:50 | 26.5 | ↓-3.7 | |
| 5/18 08:00 | 23.1 | ↓-3.4 | |
| 5/18 08:10 | 20.0 | ↓-3.1 | |
| 5/18 08:20 | 17.1 | ↓-2.9 | |
| 5/18 08:30 | 14.6 | ↓-2.5 | |
| 5/18 08:40 | 12.3 | ↓-2.3 | |
| 5/18 08:50 | 10.4 | ↓-1.9 | |
| 5/18 09:00 | 8.9 | ↓-1.5 | |
| 5/18 09:10 | 7.7 | ↓-1.2 | |
| 5/18 09:20 | 6.8 | ↓-0.9 | |
| 5/18 09:30 | 6.4 | ↓-0.4 | 干潮 |
| 5/18 09:40 | 6.2 | ↓-0.2 | |
| 5/18 09:50 | 6.5 | ↑0.3 | |
| 5/18 10:00 | 7.1 | ↑0.6 | |
| 5/18 10:10 | 8.1 | ↑1.0 | |
| 5/18 10:20 | 9.5 | ↑1.4 | |
| 5/18 10:30 | 11.2 | ↑1.7 | |
| 5/18 10:40 | 13.3 | ↑2.1 | |
| 5/18 10:50 | 15.7 | ↑2.4 | |
| 5/18 11:00 | 18.5 | ↑2.8 | |
| 5/18 11:10 | 21.5 | ↑3.0 | |
| 5/18 11:20 | 24.9 | ↑3.4 | |
| 5/18 11:30 | 28.6 | ↑3.7 | |
| 5/18 11:40 | 32.5 | ↑3.9 | |
| 5/18 11:50 | 36.6 | ↑4.1 | |
| 5/18 12:00 | 40.9 | ↑4.3 | |
| 5/18 12:10 | 45.4 | ↑4.5 | |
| 5/18 12:20 | 50.0 | ↑4.6 | |
| 5/18 12:30 | 54.7 | ↑4.7 | |
| 5/18 12:40 | 59.4 | ↑4.7 | |
| 5/18 12:50 | 64.2 | ↑4.8 | |
| 5/18 13:00 | 69.0 | ↑4.8 | |
| 5/18 13:10 | 73.7 | ↑4.7 | |
| 5/18 13:20 | 78.4 | ↑4.7 | |
| 5/18 13:30 | 82.9 | ↑4.5 | |
| 5/18 13:40 | 87.4 | ↑4.5 | |
| 5/18 13:50 | 91.6 | ↑4.2 | |
| 5/18 14:00 | 95.8 | ↑4.2 | |
| 5/18 14:10 | 99.7 | ↑3.9 | |
| 5/18 14:20 | 103.4 | ↑3.7 | |
| 5/18 14:30 | 106.9 | ↑3.5 | |
| 5/18 14:40 | 110.1 | ↑3.2 | |
| 5/18 14:50 | 113.1 | ↑3.0 | |
| 5/18 15:00 | 115.8 | ↑2.7 | |
| 5/18 15:10 | 118.3 | ↑2.5 | |
| 5/18 15:20 | 120.4 | ↑2.1 | |
| 5/18 15:30 | 122.2 | ↑1.8 | |
| 5/18 15:40 | 123.8 | ↑1.6 | |
| 5/18 15:50 | 125.0 | ↑1.2 | |
| 5/18 16:00 | 125.8 | ↑0.8 | |
| 5/18 16:10 | 126.4 | ↑0.6 | |
| 5/18 16:20 | 126.6 | ↑0.2 | 満潮 |
| 5/18 16:30 | 126.5 | ↓-0.1 | |
| 5/18 16:40 | 126.1 | ↓-0.4 | |
| 5/18 16:50 | 125.3 | ↓-0.8 | |
| 5/18 17:00 | 124.2 | ↓-1.1 | |
| 5/18 17:10 | 122.9 | ↓-1.3 | |
| 5/18 17:20 | 121.2 | ↓-1.7 | |
| 5/18 17:30 | 119.3 | ↓-1.9 | |
| 5/18 17:40 | 117.1 | ↓-2.2 | |
| 5/18 17:50 | 114.7 | ↓-2.4 | |
| 5/18 18:00 | 112.1 | ↓-2.6 | |
| 5/18 18:10 | 109.3 | ↓-2.8 | |
| 5/18 18:20 | 106.4 | ↓-2.9 | |
| 5/18 18:30 | 103.4 | ↓-3.0 | |
| 5/18 18:40 | 100.3 | ↓-3.1 | |
| 5/18 18:50 | 97.2 | ↓-3.1 | |
| 5/18 19:00 | 94.1 | ↓-3.1 | |
| 5/18 19:10 | 91.0 | ↓-3.1 | |
| 5/18 19:20 | 87.9 | ↓-3.1 | |
| 5/18 19:30 | 84.9 | ↓-3.0 | |
| 5/18 19:40 | 82.0 | ↓-2.9 | |
| 5/18 19:50 | 79.3 | ↓-2.7 | |
| 5/18 20:00 | 76.7 | ↓-2.6 | |
| 5/18 20:10 | 74.3 | ↓-2.4 | |
| 5/18 20:20 | 72.1 | ↓-2.2 | |
| 5/18 20:30 | 70.1 | ↓-2.0 | |
| 5/18 20:40 | 68.3 | ↓-1.8 | |
| 5/18 20:50 | 66.7 | ↓-1.6 | |
| 5/18 21:00 | 65.4 | ↓-1.3 | |
| 5/18 21:10 | 64.4 | ↓-1.0 | |
| 5/18 21:20 | 63.6 | ↓-0.8 | |
| 5/18 21:30 | 63.0 | ↓-0.6 | |
| 5/18 21:40 | 62.8 | ↓-0.2 | 干潮 |
| 5/18 21:50 | 62.8 | 0 | |
| 5/18 22:00 | 63.1 | ↑0.3 | |
| 5/18 22:10 | 63.7 | ↑0.6 | |
| 5/18 22:20 | 64.6 | ↑0.9 | |
| 5/18 22:30 | 65.8 | ↑1.2 | |
| 5/18 22:40 | 67.2 | ↑1.4 | |
| 5/18 22:50 | 68.9 | ↑1.7 | |
| 5/18 23:00 | 70.9 | ↑2.0 | |
| 5/18 23:10 | 73.1 | ↑2.2 | |
| 5/18 23:20 | 75.5 | ↑2.4 | |
| 5/18 23:30 | 78.2 | ↑2.7 | |
| 5/18 23:40 | 81.0 | ↑2.8 | |
| 5/18 23:50 | 84.1 | ↑3.1 |