| 満潮 | 干潮 | 満潮 | 干潮 |
|
20
(日) |
04:48 | 11:56 | 19:09 | - |
| 130cm | 16cm | 127cm | - | |
|
||||
那珂湊（茨城）2042年07月20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 |
|---|---|---|---|
| 7/20 00:00 | 92.8 | ↑0.4 | |
| 7/20 00:10 | 93.3 | ↑0.5 | |
| 7/20 00:20 | 94.0 | ↑0.7 | |
| 7/20 00:30 | 94.9 | ↑0.9 | |
| 7/20 00:40 | 96.0 | ↑1.1 | |
| 7/20 00:50 | 97.1 | ↑1.1 | |
| 7/20 01:00 | 98.4 | ↑1.3 | |
| 7/20 01:10 | 99.8 | ↑1.4 | |
| 7/20 01:20 | 101.4 | ↑1.6 | |
| 7/20 01:30 | 103.0 | ↑1.6 | |
| 7/20 01:40 | 104.7 | ↑1.7 | |
| 7/20 01:50 | 106.4 | ↑1.7 | |
| 7/20 02:00 | 108.2 | ↑1.8 | |
| 7/20 02:10 | 110.1 | ↑1.9 | |
| 7/20 02:20 | 111.9 | ↑1.8 | |
| 7/20 02:30 | 113.8 | ↑1.9 | |
| 7/20 02:40 | 115.6 | ↑1.8 | |
| 7/20 02:50 | 117.4 | ↑1.8 | |
| 7/20 03:00 | 119.1 | ↑1.7 | |
| 7/20 03:10 | 120.8 | ↑1.7 | |
| 7/20 03:20 | 122.4 | ↑1.6 | |
| 7/20 03:30 | 123.8 | ↑1.4 | |
| 7/20 03:40 | 125.2 | ↑1.4 | |
| 7/20 03:50 | 126.4 | ↑1.2 | |
| 7/20 04:00 | 127.4 | ↑1.0 | |
| 7/20 04:10 | 128.3 | ↑0.9 | |
| 7/20 04:20 | 129.0 | ↑0.7 | |
| 7/20 04:30 | 129.5 | ↑0.5 | |
| 7/20 04:40 | 129.8 | ↑0.3 | 満潮 |
| 7/20 04:50 | 129.8 | 0 | |
| 7/20 05:00 | 129.6 | ↓-0.2 | |
| 7/20 05:10 | 129.2 | ↓-0.4 | |
| 7/20 05:20 | 128.5 | ↓-0.7 | |
| 7/20 05:30 | 127.6 | ↓-0.9 | |
| 7/20 05:40 | 126.4 | ↓-1.2 | |
| 7/20 05:50 | 124.9 | ↓-1.5 | |
| 7/20 06:00 | 123.2 | ↓-1.7 | |
| 7/20 06:10 | 121.1 | ↓-2.1 | |
| 7/20 06:20 | 118.9 | ↓-2.2 | |
| 7/20 06:30 | 116.4 | ↓-2.5 | |
| 7/20 06:40 | 113.6 | ↓-2.8 | |
| 7/20 06:50 | 110.6 | ↓-3.0 | |
| 7/20 07:00 | 107.4 | ↓-3.2 | |
| 7/20 07:10 | 104.0 | ↓-3.4 | |
| 7/20 07:20 | 100.4 | ↓-3.6 | |
| 7/20 07:30 | 96.6 | ↓-3.8 | |
| 7/20 07:40 | 92.6 | ↓-4.0 | |
| 7/20 07:50 | 88.6 | ↓-4.0 | |
| 7/20 08:00 | 84.4 | ↓-4.2 | |
| 7/20 08:10 | 80.2 | ↓-4.2 | |
| 7/20 08:20 | 75.9 | ↓-4.3 | |
| 7/20 08:30 | 71.5 | ↓-4.4 | 最大潮位差 |
| 7/20 08:40 | 67.2 | ↓-4.3 | |
| 7/20 08:50 | 62.9 | ↓-4.3 | |
| 7/20 09:00 | 58.6 | ↓-4.3 | |
| 7/20 09:10 | 54.5 | ↓-4.1 | |
| 7/20 09:20 | 50.4 | ↓-4.1 | |
| 7/20 09:30 | 46.4 | ↓-4.0 | |
| 7/20 09:40 | 42.6 | ↓-3.8 | |
| 7/20 09:50 | 39.0 | ↓-3.6 | |
| 7/20 10:00 | 35.6 | ↓-3.4 | |
| 7/20 10:10 | 32.4 | ↓-3.2 | |
| 7/20 10:20 | 29.4 | ↓-3.0 | |
| 7/20 10:30 | 26.6 | ↓-2.8 | |
| 7/20 10:40 | 24.2 | ↓-2.4 | |
| 7/20 10:50 | 22.0 | ↓-2.2 | |
| 7/20 11:00 | 20.1 | ↓-1.9 | |
| 7/20 11:10 | 18.5 | ↓-1.6 | |
| 7/20 11:20 | 17.3 | ↓-1.2 | |
| 7/20 11:30 | 16.3 | ↓-1.0 | |
| 7/20 11:40 | 15.6 | ↓-0.7 | |
| 7/20 11:50 | 15.3 | ↓-0.3 | 干潮 |
| 7/20 12:00 | 15.3 | 0 | |
| 7/20 12:10 | 15.6 | ↑0.3 | |
| 7/20 12:20 | 16.2 | ↑0.6 | |
| 7/20 12:30 | 17.1 | ↑0.9 | |
| 7/20 12:40 | 18.3 | ↑1.2 | |
| 7/20 12:50 | 19.8 | ↑1.5 | |
| 7/20 13:00 | 21.6 | ↑1.8 | |
| 7/20 13:10 | 23.7 | ↑2.1 | |
| 7/20 13:20 | 26.0 | ↑2.3 | |
| 7/20 13:30 | 28.5 | ↑2.5 | |
| 7/20 13:40 | 31.3 | ↑2.8 | |
| 7/20 13:50 | 34.3 | ↑3.0 | |
| 7/20 14:00 | 37.5 | ↑3.2 | |
| 7/20 14:10 | 40.8 | ↑3.3 | |
| 7/20 14:20 | 44.3 | ↑3.5 | |
| 7/20 14:30 | 48.0 | ↑3.7 | |
| 7/20 14:40 | 51.8 | ↑3.8 | |
| 7/20 14:50 | 55.6 | ↑3.8 | |
| 7/20 15:00 | 59.6 | ↑4.0 | |
| 7/20 15:10 | 63.6 | ↑4.0 | |
| 7/20 15:20 | 67.7 | ↑4.1 | |
| 7/20 15:30 | 71.7 | ↑4.0 | |
| 7/20 15:40 | 75.8 | ↑4.1 | |
| 7/20 15:50 | 79.8 | ↑4.0 | |
| 7/20 16:00 | 83.8 | ↑4.0 | |
| 7/20 16:10 | 87.7 | ↑3.9 | |
| 7/20 16:20 | 91.5 | ↑3.8 | |
| 7/20 16:30 | 95.2 | ↑3.7 | |
| 7/20 16:40 | 98.8 | ↑3.6 | |
| 7/20 16:50 | 102.2 | ↑3.4 | |
| 7/20 17:00 | 105.4 | ↑3.2 | |
| 7/20 17:10 | 108.5 | ↑3.1 | |
| 7/20 17:20 | 111.4 | ↑2.9 | |
| 7/20 17:30 | 114.0 | ↑2.6 | |
| 7/20 17:40 | 116.4 | ↑2.4 | |
| 7/20 17:50 | 118.6 | ↑2.2 | |
| 7/20 18:00 | 120.5 | ↑1.9 | |
| 7/20 18:10 | 122.2 | ↑1.7 | |
| 7/20 18:20 | 123.6 | ↑1.4 | |
| 7/20 18:30 | 124.7 | ↑1.1 | |
| 7/20 18:40 | 125.6 | ↑0.9 | |
| 7/20 18:50 | 126.2 | ↑0.6 | |
| 7/20 19:00 | 126.5 | ↑0.3 | 満潮 |
| 7/20 19:10 | 126.5 | 0 | |
| 7/20 19:20 | 126.4 | ↓-0.1 | |
| 7/20 19:30 | 125.9 | ↓-0.5 | |
| 7/20 19:40 | 125.3 | ↓-0.6 | |
| 7/20 19:50 | 124.4 | ↓-0.9 | |
| 7/20 20:00 | 123.3 | ↓-1.1 | |
| 7/20 20:10 | 122.1 | ↓-1.2 | |
| 7/20 20:20 | 120.6 | ↓-1.5 | |
| 7/20 20:30 | 119.1 | ↓-1.5 | |
| 7/20 20:40 | 117.4 | ↓-1.7 | |
| 7/20 20:50 | 115.6 | ↓-1.8 | |
| 7/20 21:00 | 113.7 | ↓-1.9 | |
| 7/20 21:10 | 111.7 | ↓-2.0 | |
| 7/20 21:20 | 109.7 | ↓-2.0 | |
| 7/20 21:30 | 107.7 | ↓-2.0 | |
| 7/20 21:40 | 105.7 | ↓-2.0 | |
| 7/20 21:50 | 103.7 | ↓-2.0 | |
| 7/20 22:00 | 101.8 | ↓-1.9 | |
| 7/20 22:10 | 99.9 | ↓-1.9 | |
| 7/20 22:20 | 98.1 | ↓-1.8 | |
| 7/20 22:30 | 96.4 | ↓-1.7 | |
| 7/20 22:40 | 94.9 | ↓-1.5 | |
| 7/20 22:50 | 93.4 | ↓-1.5 | |
| 7/20 23:00 | 92.1 | ↓-1.3 | |
| 7/20 23:10 | 90.9 | ↓-1.2 | |
| 7/20 23:20 | 89.9 | ↓-1.0 | |
| 7/20 23:30 | 89.1 | ↓-0.8 | |
| 7/20 23:40 | 88.4 | ↓-0.7 | |
| 7/20 23:50 | 87.9 | ↓-0.5 |