| 満潮 | 干潮 | 満潮 | 干潮 |
|
21
(土) |
02:29 | 09:13 | 15:48 | 21:09 |
| 124cm | 21cm | 116cm | 67cm | |
|
||||
日立（茨城）2039年05月21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 |
|---|---|---|---|
| 5/21 00:00 | 100.5 | ↑2.7 | |
| 5/21 00:10 | 103.1 | ↑2.6 | |
| 5/21 00:20 | 105.7 | ↑2.6 | |
| 5/21 00:30 | 108.1 | ↑2.4 | |
| 5/21 00:40 | 110.4 | ↑2.3 | |
| 5/21 00:50 | 112.6 | ↑2.2 | |
| 5/21 01:00 | 114.7 | ↑2.1 | |
| 5/21 01:10 | 116.5 | ↑1.8 | |
| 5/21 01:20 | 118.2 | ↑1.7 | |
| 5/21 01:30 | 119.7 | ↑1.5 | |
| 5/21 01:40 | 120.9 | ↑1.2 | |
| 5/21 01:50 | 122.0 | ↑1.1 | |
| 5/21 02:00 | 122.8 | ↑0.8 | |
| 5/21 02:10 | 123.4 | ↑0.6 | |
| 5/21 02:20 | 123.7 | ↑0.3 | 満潮 |
| 5/21 02:30 | 123.8 | ↑0.1 | |
| 5/21 02:40 | 123.6 | ↓-0.2 | |
| 5/21 02:50 | 123.2 | ↓-0.4 | |
| 5/21 03:00 | 122.5 | ↓-0.7 | |
| 5/21 03:10 | 121.5 | ↓-1.0 | |
| 5/21 03:20 | 120.2 | ↓-1.3 | |
| 5/21 03:30 | 118.7 | ↓-1.5 | |
| 5/21 03:40 | 116.8 | ↓-1.9 | |
| 5/21 03:50 | 114.7 | ↓-2.1 | |
| 5/21 04:00 | 112.3 | ↓-2.4 | |
| 5/21 04:10 | 109.7 | ↓-2.6 | |
| 5/21 04:20 | 106.8 | ↓-2.9 | |
| 5/21 04:30 | 103.7 | ↓-3.1 | |
| 5/21 04:40 | 100.4 | ↓-3.3 | |
| 5/21 04:50 | 96.9 | ↓-3.5 | |
| 5/21 05:00 | 93.2 | ↓-3.7 | |
| 5/21 05:10 | 89.3 | ↓-3.9 | |
| 5/21 05:20 | 85.4 | ↓-3.9 | |
| 5/21 05:30 | 81.3 | ↓-4.1 | 最大潮位差 |
| 5/21 05:40 | 77.2 | ↓-4.1 | 最大潮位差 |
| 5/21 05:50 | 73.1 | ↓-4.1 | 最大潮位差 |
| 5/21 06:00 | 69.0 | ↓-4.1 | 最大潮位差 |
| 5/21 06:10 | 64.9 | ↓-4.1 | 最大潮位差 |
| 5/21 06:20 | 60.8 | ↓-4.1 | 最大潮位差 |
| 5/21 06:30 | 56.9 | ↓-3.9 | |
| 5/21 06:40 | 53.0 | ↓-3.9 | |
| 5/21 06:50 | 49.3 | ↓-3.7 | |
| 5/21 07:00 | 45.7 | ↓-3.6 | |
| 5/21 07:10 | 42.3 | ↓-3.4 | |
| 5/21 07:20 | 39.1 | ↓-3.2 | |
| 5/21 07:30 | 36.1 | ↓-3.0 | |
| 5/21 07:40 | 33.4 | ↓-2.7 | |
| 5/21 07:50 | 30.8 | ↓-2.6 | |
| 5/21 08:00 | 28.6 | ↓-2.2 | |
| 5/21 08:10 | 26.5 | ↓-2.1 | |
| 5/21 08:20 | 24.8 | ↓-1.7 | |
| 5/21 08:30 | 23.4 | ↓-1.4 | |
| 5/21 08:40 | 22.2 | ↓-1.2 | |
| 5/21 08:50 | 21.3 | ↓-0.9 | |
| 5/21 09:00 | 20.8 | ↓-0.5 | |
| 5/21 09:10 | 20.6 | ↓-0.2 | 干潮 |
| 5/21 09:20 | 20.7 | ↑0.1 | |
| 5/21 09:30 | 21.1 | ↑0.4 | |
| 5/21 09:40 | 21.8 | ↑0.7 | |
| 5/21 09:50 | 22.8 | ↑1.0 | |
| 5/21 10:00 | 24.2 | ↑1.4 | |
| 5/21 10:10 | 25.9 | ↑1.7 | |
| 5/21 10:20 | 27.8 | ↑1.9 | |
| 5/21 10:30 | 30.1 | ↑2.3 | |
| 5/21 10:40 | 32.6 | ↑2.5 | |
| 5/21 10:50 | 35.4 | ↑2.8 | |
| 5/21 11:00 | 38.4 | ↑3.0 | |
| 5/21 11:10 | 41.6 | ↑3.2 | |
| 5/21 11:20 | 44.9 | ↑3.3 | |
| 5/21 11:30 | 48.4 | ↑3.5 | |
| 5/21 11:40 | 52.1 | ↑3.7 | |
| 5/21 11:50 | 55.8 | ↑3.7 | |
| 5/21 12:00 | 59.6 | ↑3.8 | |
| 5/21 12:10 | 63.5 | ↑3.9 | |
| 5/21 12:20 | 67.3 | ↑3.8 | |
| 5/21 12:30 | 71.1 | ↑3.8 | |
| 5/21 12:40 | 74.9 | ↑3.8 | |
| 5/21 12:50 | 78.6 | ↑3.7 | |
| 5/21 13:00 | 82.2 | ↑3.6 | |
| 5/21 13:10 | 85.7 | ↑3.5 | |
| 5/21 13:20 | 89.1 | ↑3.4 | |
| 5/21 13:30 | 92.4 | ↑3.3 | |
| 5/21 13:40 | 95.4 | ↑3.0 | |
| 5/21 13:50 | 98.3 | ↑2.9 | |
| 5/21 14:00 | 101.0 | ↑2.7 | |
| 5/21 14:10 | 103.6 | ↑2.6 | |
| 5/21 14:20 | 105.9 | ↑2.3 | |
| 5/21 14:30 | 107.9 | ↑2.0 | |
| 5/21 14:40 | 109.8 | ↑1.9 | |
| 5/21 14:50 | 111.4 | ↑1.6 | |
| 5/21 15:00 | 112.8 | ↑1.4 | |
| 5/21 15:10 | 113.9 | ↑1.1 | |
| 5/21 15:20 | 114.7 | ↑0.8 | |
| 5/21 15:30 | 115.3 | ↑0.6 | |
| 5/21 15:40 | 115.7 | ↑0.4 | 満潮 |
| 5/21 15:50 | 115.7 | 0 | |
| 5/21 16:00 | 115.5 | ↓-0.2 | |
| 5/21 16:10 | 115.0 | ↓-0.5 | |
| 5/21 16:20 | 114.3 | ↓-0.7 | |
| 5/21 16:30 | 113.4 | ↓-0.9 | |
| 5/21 16:40 | 112.2 | ↓-1.2 | |
| 5/21 16:50 | 110.7 | ↓-1.5 | |
| 5/21 17:00 | 109.1 | ↓-1.6 | |
| 5/21 17:10 | 107.3 | ↓-1.8 | |
| 5/21 17:20 | 105.3 | ↓-2.0 | |
| 5/21 17:30 | 103.2 | ↓-2.1 | |
| 5/21 17:40 | 101.0 | ↓-2.2 | |
| 5/21 17:50 | 98.7 | ↓-2.3 | |
| 5/21 18:00 | 96.3 | ↓-2.4 | |
| 5/21 18:10 | 93.9 | ↓-2.4 | |
| 5/21 18:20 | 91.5 | ↓-2.4 | |
| 5/21 18:30 | 89.1 | ↓-2.4 | |
| 5/21 18:40 | 86.8 | ↓-2.3 | |
| 5/21 18:50 | 84.5 | ↓-2.3 | |
| 5/21 19:00 | 82.2 | ↓-2.3 | |
| 5/21 19:10 | 80.1 | ↓-2.1 | |
| 5/21 19:20 | 78.1 | ↓-2.0 | |
| 5/21 19:30 | 76.2 | ↓-1.9 | |
| 5/21 19:40 | 74.5 | ↓-1.7 | |
| 5/21 19:50 | 72.9 | ↓-1.6 | |
| 5/21 20:00 | 71.4 | ↓-1.5 | |
| 5/21 20:10 | 70.2 | ↓-1.2 | |
| 5/21 20:20 | 69.1 | ↓-1.1 | |
| 5/21 20:30 | 68.2 | ↓-0.9 | |
| 5/21 20:40 | 67.6 | ↓-0.6 | |
| 5/21 20:50 | 67.1 | ↓-0.5 | |
| 5/21 21:00 | 66.8 | ↓-0.3 | 干潮 |
| 5/21 21:10 | 66.7 | ↓-0.1 | |
| 5/21 21:20 | 66.9 | ↑0.2 | |
| 5/21 21:30 | 67.2 | ↑0.3 | |
| 5/21 21:40 | 67.8 | ↑0.6 | |
| 5/21 21:50 | 68.6 | ↑0.8 | |
| 5/21 22:00 | 69.7 | ↑1.1 | |
| 5/21 22:10 | 70.9 | ↑1.2 | |
| 5/21 22:20 | 72.4 | ↑1.5 | |
| 5/21 22:30 | 74.1 | ↑1.7 | |
| 5/21 22:40 | 75.9 | ↑1.8 | |
| 5/21 22:50 | 78.0 | ↑2.1 | |
| 5/21 23:00 | 80.2 | ↑2.2 | |
| 5/21 23:10 | 82.6 | ↑2.4 | |
| 5/21 23:20 | 85.1 | ↑2.5 | |
| 5/21 23:30 | 87.7 | ↑2.6 | |
| 5/21 23:40 | 90.4 | ↑2.7 | |
| 5/21 23:50 | 93.2 | ↑2.8 |