| 満潮 | 干潮 | 満潮 | 干潮 |
|
20
(金) |
05:43 | 00:17 | 19:47 | 12:42 |
| 131cm | 87cm | 126cm | 20cm | |
|
||||
那珂湊（茨城）2057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 | 86.7 | ↓-0.5 | |
| 7/20 00:10 | 86.5 | ↓-0.2 | 干潮 |
| 7/20 00:20 | 86.5 | 0 | |
| 7/20 00:30 | 86.7 | ↑0.2 | |
| 7/20 00:40 | 87.0 | ↑0.3 | |
| 7/20 00:50 | 87.6 | ↑0.6 | |
| 7/20 01:00 | 88.3 | ↑0.7 | |
| 7/20 01:10 | 89.2 | ↑0.9 | |
| 7/20 01:20 | 90.3 | ↑1.1 | |
| 7/20 01:30 | 91.5 | ↑1.2 | |
| 7/20 01:40 | 92.9 | ↑1.4 | |
| 7/20 01:50 | 94.4 | ↑1.5 | |
| 7/20 02:00 | 96.0 | ↑1.6 | |
| 7/20 02:10 | 97.7 | ↑1.7 | |
| 7/20 02:20 | 99.6 | ↑1.9 | |
| 7/20 02:30 | 101.5 | ↑1.9 | |
| 7/20 02:40 | 103.4 | ↑1.9 | |
| 7/20 02:50 | 105.4 | ↑2.0 | |
| 7/20 03:00 | 107.5 | ↑2.1 | |
| 7/20 03:10 | 109.6 | ↑2.1 | |
| 7/20 03:20 | 111.6 | ↑2.0 | |
| 7/20 03:30 | 113.6 | ↑2.0 | |
| 7/20 03:40 | 115.6 | ↑2.0 | |
| 7/20 03:50 | 117.6 | ↑2.0 | |
| 7/20 04:00 | 119.5 | ↑1.9 | |
| 7/20 04:10 | 121.2 | ↑1.7 | |
| 7/20 04:20 | 122.9 | ↑1.7 | |
| 7/20 04:30 | 124.4 | ↑1.5 | |
| 7/20 04:40 | 125.8 | ↑1.4 | |
| 7/20 04:50 | 127.0 | ↑1.2 | |
| 7/20 05:00 | 128.1 | ↑1.1 | |
| 7/20 05:10 | 128.9 | ↑0.8 | |
| 7/20 05:20 | 129.5 | ↑0.6 | |
| 7/20 05:30 | 130.0 | ↑0.5 | |
| 7/20 05:40 | 130.1 | ↑0.1 | 満潮 |
| 7/20 05:50 | 130.1 | 0 | |
| 7/20 06:00 | 129.7 | ↓-0.4 | |
| 7/20 06:10 | 129.1 | ↓-0.6 | |
| 7/20 06:20 | 128.3 | ↓-0.8 | |
| 7/20 06:30 | 127.1 | ↓-1.2 | |
| 7/20 06:40 | 125.7 | ↓-1.4 | |
| 7/20 06:50 | 124.0 | ↓-1.7 | |
| 7/20 07:00 | 122.1 | ↓-1.9 | |
| 7/20 07:10 | 119.9 | ↓-2.2 | |
| 7/20 07:20 | 117.4 | ↓-2.5 | |
| 7/20 07:30 | 114.6 | ↓-2.8 | |
| 7/20 07:40 | 111.7 | ↓-2.9 | |
| 7/20 07:50 | 108.5 | ↓-3.2 | |
| 7/20 08:00 | 105.1 | ↓-3.4 | |
| 7/20 08:10 | 101.5 | ↓-3.6 | |
| 7/20 08:20 | 97.7 | ↓-3.8 | |
| 7/20 08:30 | 93.8 | ↓-3.9 | |
| 7/20 08:40 | 89.8 | ↓-4.0 | |
| 7/20 08:50 | 85.7 | ↓-4.1 | |
| 7/20 09:00 | 81.5 | ↓-4.2 | |
| 7/20 09:10 | 77.2 | ↓-4.3 | 最大潮位差 |
| 7/20 09:20 | 73.0 | ↓-4.2 | |
| 7/20 09:30 | 68.7 | ↓-4.3 | 最大潮位差 |
| 7/20 09:40 | 64.5 | ↓-4.2 | |
| 7/20 09:50 | 60.3 | ↓-4.2 | |
| 7/20 10:00 | 56.2 | ↓-4.1 | |
| 7/20 10:10 | 52.3 | ↓-3.9 | |
| 7/20 10:20 | 48.4 | ↓-3.9 | |
| 7/20 10:30 | 44.8 | ↓-3.6 | |
| 7/20 10:40 | 41.3 | ↓-3.5 | |
| 7/20 10:50 | 38.0 | ↓-3.3 | |
| 7/20 11:00 | 35.0 | ↓-3.0 | |
| 7/20 11:10 | 32.1 | ↓-2.9 | |
| 7/20 11:20 | 29.6 | ↓-2.5 | |
| 7/20 11:30 | 27.3 | ↓-2.3 | |
| 7/20 11:40 | 25.3 | ↓-2.0 | |
| 7/20 11:50 | 23.6 | ↓-1.7 | |
| 7/20 12:00 | 22.1 | ↓-1.5 | |
| 7/20 12:10 | 21.0 | ↓-1.1 | |
| 7/20 12:20 | 20.2 | ↓-0.8 | |
| 7/20 12:30 | 19.7 | ↓-0.5 | |
| 7/20 12:40 | 19.5 | ↓-0.2 | 干潮 |
| 7/20 12:50 | 19.6 | ↑0.1 | |
| 7/20 13:00 | 20.0 | ↑0.4 | |
| 7/20 13:10 | 20.8 | ↑0.8 | |
| 7/20 13:20 | 21.8 | ↑1.0 | |
| 7/20 13:30 | 23.1 | ↑1.3 | |
| 7/20 13:40 | 24.7 | ↑1.6 | |
| 7/20 13:50 | 26.5 | ↑1.8 | |
| 7/20 14:00 | 28.6 | ↑2.1 | |
| 7/20 14:10 | 30.9 | ↑2.3 | |
| 7/20 14:20 | 33.5 | ↑2.6 | |
| 7/20 14:30 | 36.3 | ↑2.8 | |
| 7/20 14:40 | 39.3 | ↑3.0 | |
| 7/20 14:50 | 42.4 | ↑3.1 | |
| 7/20 15:00 | 45.8 | ↑3.4 | |
| 7/20 15:10 | 49.2 | ↑3.4 | |
| 7/20 15:20 | 52.8 | ↑3.6 | |
| 7/20 15:30 | 56.5 | ↑3.7 | |
| 7/20 15:40 | 60.3 | ↑3.8 | |
| 7/20 15:50 | 64.2 | ↑3.9 | |
| 7/20 16:00 | 68.1 | ↑3.9 | |
| 7/20 16:10 | 72.0 | ↑3.9 | |
| 7/20 16:20 | 76.0 | ↑4.0 | |
| 7/20 16:30 | 79.9 | ↑3.9 | |
| 7/20 16:40 | 83.8 | ↑3.9 | |
| 7/20 16:50 | 87.6 | ↑3.8 | |
| 7/20 17:00 | 91.4 | ↑3.8 | |
| 7/20 17:10 | 95.0 | ↑3.6 | |
| 7/20 17:20 | 98.5 | ↑3.5 | |
| 7/20 17:30 | 101.9 | ↑3.4 | |
| 7/20 17:40 | 105.1 | ↑3.2 | |
| 7/20 17:50 | 108.1 | ↑3.0 | |
| 7/20 18:00 | 111.0 | ↑2.9 | |
| 7/20 18:10 | 113.6 | ↑2.6 | |
| 7/20 18:20 | 116.0 | ↑2.4 | |
| 7/20 18:30 | 118.1 | ↑2.1 | |
| 7/20 18:40 | 120.1 | ↑2.0 | |
| 7/20 18:50 | 121.7 | ↑1.6 | |
| 7/20 19:00 | 123.1 | ↑1.4 | |
| 7/20 19:10 | 124.2 | ↑1.1 | |
| 7/20 19:20 | 125.0 | ↑0.8 | |
| 7/20 19:30 | 125.6 | ↑0.6 | |
| 7/20 19:40 | 125.9 | ↑0.3 | 満潮 |
| 7/20 19:50 | 125.9 | 0 | |
| 7/20 20:00 | 125.7 | ↓-0.2 | |
| 7/20 20:10 | 125.2 | ↓-0.5 | |
| 7/20 20:20 | 124.5 | ↓-0.7 | |
| 7/20 20:30 | 123.5 | ↓-1.0 | |
| 7/20 20:40 | 122.4 | ↓-1.1 | |
| 7/20 20:50 | 121.0 | ↓-1.4 | |
| 7/20 21:00 | 119.5 | ↓-1.5 | |
| 7/20 21:10 | 117.8 | ↓-1.7 | |
| 7/20 21:20 | 116.0 | ↓-1.8 | |
| 7/20 21:30 | 114.0 | ↓-2.0 | |
| 7/20 21:40 | 112.0 | ↓-2.0 | |
| 7/20 21:50 | 109.9 | ↓-2.1 | |
| 7/20 22:00 | 107.7 | ↓-2.2 | |
| 7/20 22:10 | 105.5 | ↓-2.2 | |
| 7/20 22:20 | 103.4 | ↓-2.1 | |
| 7/20 22:30 | 101.2 | ↓-2.2 | |
| 7/20 22:40 | 99.1 | ↓-2.1 | |
| 7/20 22:50 | 97.0 | ↓-2.1 | |
| 7/20 23:00 | 95.0 | ↓-2.0 | |
| 7/20 23:10 | 93.1 | ↓-1.9 | |
| 7/20 23:20 | 91.3 | ↓-1.8 | |
| 7/20 23:30 | 89.7 | ↓-1.6 | |
| 7/20 23:40 | 88.1 | ↓-1.6 | |
| 7/20 23:50 | 86.8 | ↓-1.3 |