| 満潮 | 干潮 | 満潮 | 干潮 |
|
21
(土) |
02:26 | 09:09 | 15:44 | 21:05 |
| 117cm | 19cm | 107cm | 58cm | |
|
||||
那珂湊（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 | 92.9 | ↑2.8 | |
| 5/21 00:10 | 95.6 | ↑2.7 | |
| 5/21 00:20 | 98.2 | ↑2.6 | |
| 5/21 00:30 | 100.7 | ↑2.5 | |
| 5/21 00:40 | 103.1 | ↑2.4 | |
| 5/21 00:50 | 105.4 | ↑2.3 | |
| 5/21 01:00 | 107.4 | ↑2.0 | |
| 5/21 01:10 | 109.3 | ↑1.9 | |
| 5/21 01:20 | 111.0 | ↑1.7 | |
| 5/21 01:30 | 112.5 | ↑1.5 | |
| 5/21 01:40 | 113.8 | ↑1.3 | |
| 5/21 01:50 | 114.8 | ↑1.0 | |
| 5/21 02:00 | 115.6 | ↑0.8 | |
| 5/21 02:10 | 116.1 | ↑0.5 | |
| 5/21 02:20 | 116.4 | ↑0.3 | 満潮 |
| 5/21 02:30 | 116.4 | 0 | |
| 5/21 02:40 | 116.1 | ↓-0.3 | |
| 5/21 02:50 | 115.5 | ↓-0.6 | |
| 5/21 03:00 | 114.7 | ↓-0.8 | |
| 5/21 03:10 | 113.6 | ↓-1.1 | |
| 5/21 03:20 | 112.2 | ↓-1.4 | |
| 5/21 03:30 | 110.6 | ↓-1.6 | |
| 5/21 03:40 | 108.7 | ↓-1.9 | |
| 5/21 03:50 | 106.5 | ↓-2.2 | |
| 5/21 04:00 | 104.1 | ↓-2.4 | |
| 5/21 04:10 | 101.5 | ↓-2.6 | |
| 5/21 04:20 | 98.7 | ↓-2.8 | |
| 5/21 04:30 | 95.7 | ↓-3.0 | |
| 5/21 04:40 | 92.5 | ↓-3.2 | |
| 5/21 04:50 | 89.2 | ↓-3.3 | |
| 5/21 05:00 | 85.7 | ↓-3.5 | |
| 5/21 05:10 | 82.1 | ↓-3.6 | |
| 5/21 05:20 | 78.4 | ↓-3.7 | |
| 5/21 05:30 | 74.6 | ↓-3.8 | |
| 5/21 05:40 | 70.7 | ↓-3.9 | 最大潮位差 |
| 5/21 05:50 | 66.9 | ↓-3.8 | |
| 5/21 06:00 | 63.0 | ↓-3.9 | 最大潮位差 |
| 5/21 06:10 | 59.2 | ↓-3.8 | |
| 5/21 06:20 | 55.4 | ↓-3.8 | |
| 5/21 06:30 | 51.7 | ↓-3.7 | |
| 5/21 06:40 | 48.0 | ↓-3.7 | |
| 5/21 06:50 | 44.5 | ↓-3.5 | |
| 5/21 07:00 | 41.2 | ↓-3.3 | |
| 5/21 07:10 | 38.0 | ↓-3.2 | |
| 5/21 07:20 | 34.9 | ↓-3.1 | |
| 5/21 07:30 | 32.1 | ↓-2.8 | |
| 5/21 07:40 | 29.5 | ↓-2.6 | |
| 5/21 07:50 | 27.1 | ↓-2.4 | |
| 5/21 08:00 | 25.0 | ↓-2.1 | |
| 5/21 08:10 | 23.2 | ↓-1.8 | |
| 5/21 08:20 | 21.6 | ↓-1.6 | |
| 5/21 08:30 | 20.3 | ↓-1.3 | |
| 5/21 08:40 | 19.3 | ↓-1.0 | |
| 5/21 08:50 | 18.6 | ↓-0.7 | |
| 5/21 09:00 | 18.2 | ↓-0.4 | 干潮 |
| 5/21 09:10 | 18.1 | ↓-0.1 | |
| 5/21 09:20 | 18.3 | ↑0.2 | |
| 5/21 09:30 | 18.8 | ↑0.5 | |
| 5/21 09:40 | 19.6 | ↑0.8 | |
| 5/21 09:50 | 20.7 | ↑1.1 | |
| 5/21 10:00 | 22.1 | ↑1.4 | |
| 5/21 10:10 | 23.7 | ↑1.6 | |
| 5/21 10:20 | 25.6 | ↑1.9 | |
| 5/21 10:30 | 27.7 | ↑2.1 | |
| 5/21 10:40 | 30.1 | ↑2.4 | |
| 5/21 10:50 | 32.6 | ↑2.5 | |
| 5/21 11:00 | 35.4 | ↑2.8 | |
| 5/21 11:10 | 38.3 | ↑2.9 | |
| 5/21 11:20 | 41.4 | ↑3.1 | |
| 5/21 11:30 | 44.6 | ↑3.2 | |
| 5/21 11:40 | 47.9 | ↑3.3 | |
| 5/21 11:50 | 51.3 | ↑3.4 | |
| 5/21 12:00 | 54.8 | ↑3.5 | |
| 5/21 12:10 | 58.3 | ↑3.5 | |
| 5/21 12:20 | 61.8 | ↑3.5 | |
| 5/21 12:30 | 65.3 | ↑3.5 | |
| 5/21 12:40 | 68.8 | ↑3.5 | |
| 5/21 12:50 | 72.3 | ↑3.5 | |
| 5/21 13:00 | 75.7 | ↑3.4 | |
| 5/21 13:10 | 79.0 | ↑3.3 | |
| 5/21 13:20 | 82.2 | ↑3.2 | |
| 5/21 13:30 | 85.2 | ↑3.0 | |
| 5/21 13:40 | 88.1 | ↑2.9 | |
| 5/21 13:50 | 90.9 | ↑2.8 | |
| 5/21 14:00 | 93.4 | ↑2.5 | |
| 5/21 14:10 | 95.8 | ↑2.4 | |
| 5/21 14:20 | 97.9 | ↑2.1 | |
| 5/21 14:30 | 99.9 | ↑2.0 | |
| 5/21 14:40 | 101.6 | ↑1.7 | |
| 5/21 14:50 | 103.0 | ↑1.4 | |
| 5/21 15:00 | 104.2 | ↑1.2 | |
| 5/21 15:10 | 105.2 | ↑1.0 | |
| 5/21 15:20 | 105.9 | ↑0.7 | |
| 5/21 15:30 | 106.4 | ↑0.5 | |
| 5/21 15:40 | 106.6 | ↑0.2 | 満潮 |
| 5/21 15:50 | 106.5 | ↓-0.1 | |
| 5/21 16:00 | 106.2 | ↓-0.3 | |
| 5/21 16:10 | 105.7 | ↓-0.5 | |
| 5/21 16:20 | 104.9 | ↓-0.8 | |
| 5/21 16:30 | 103.9 | ↓-1.0 | |
| 5/21 16:40 | 102.7 | ↓-1.2 | |
| 5/21 16:50 | 101.3 | ↓-1.4 | |
| 5/21 17:00 | 99.7 | ↓-1.6 | |
| 5/21 17:10 | 97.9 | ↓-1.8 | |
| 5/21 17:20 | 96.0 | ↓-1.9 | |
| 5/21 17:30 | 94.0 | ↓-2.0 | |
| 5/21 17:40 | 91.8 | ↓-2.2 | |
| 5/21 17:50 | 89.6 | ↓-2.2 | |
| 5/21 18:00 | 87.3 | ↓-2.3 | |
| 5/21 18:10 | 84.9 | ↓-2.4 | |
| 5/21 18:20 | 82.5 | ↓-2.4 | |
| 5/21 18:30 | 80.1 | ↓-2.4 | |
| 5/21 18:40 | 77.7 | ↓-2.4 | |
| 5/21 18:50 | 75.4 | ↓-2.3 | |
| 5/21 19:00 | 73.1 | ↓-2.3 | |
| 5/21 19:10 | 70.9 | ↓-2.2 | |
| 5/21 19:20 | 68.8 | ↓-2.1 | |
| 5/21 19:30 | 66.9 | ↓-1.9 | |
| 5/21 19:40 | 65.0 | ↓-1.9 | |
| 5/21 19:50 | 63.4 | ↓-1.6 | |
| 5/21 20:00 | 61.9 | ↓-1.5 | |
| 5/21 20:10 | 60.6 | ↓-1.3 | |
| 5/21 20:20 | 59.5 | ↓-1.1 | |
| 5/21 20:30 | 58.6 | ↓-0.9 | |
| 5/21 20:40 | 57.9 | ↓-0.7 | |
| 5/21 20:50 | 57.4 | ↓-0.5 | |
| 5/21 21:00 | 57.2 | ↓-0.2 | 干潮 |
| 5/21 21:10 | 57.2 | 0 | |
| 5/21 21:20 | 57.5 | ↑0.3 | |
| 5/21 21:30 | 58.0 | ↑0.5 | |
| 5/21 21:40 | 58.7 | ↑0.7 | |
| 5/21 21:50 | 59.6 | ↑0.9 | |
| 5/21 22:00 | 60.8 | ↑1.2 | |
| 5/21 22:10 | 62.2 | ↑1.4 | |
| 5/21 22:20 | 63.7 | ↑1.5 | |
| 5/21 22:30 | 65.5 | ↑1.8 | |
| 5/21 22:40 | 67.4 | ↑1.9 | |
| 5/21 22:50 | 69.5 | ↑2.1 | |
| 5/21 23:00 | 71.8 | ↑2.3 | |
| 5/21 23:10 | 74.2 | ↑2.4 | |
| 5/21 23:20 | 76.7 | ↑2.5 | |
| 5/21 23:30 | 79.2 | ↑2.5 | |
| 5/21 23:40 | 81.9 | ↑2.7 | |
| 5/21 23:50 | 84.6 | ↑2.7 |