| 満潮 | 干潮 | 満潮 | 干潮 |
|
20
(日) |
02:43 | 09:53 | 17:09 | 22:02 |
| 121cm | -10cm | 118cm | 78cm | |
|
||||
那珂湊（茨城）2046年05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 |
|---|---|---|---|
| 5/20 00:00 | 94.9 | ↑2.4 | |
| 5/20 00:10 | 97.3 | ↑2.4 | |
| 5/20 00:20 | 99.6 | ↑2.3 | |
| 5/20 00:30 | 102.0 | ↑2.4 | |
| 5/20 00:40 | 104.3 | ↑2.3 | |
| 5/20 00:50 | 106.5 | ↑2.2 | |
| 5/20 01:00 | 108.6 | ↑2.1 | |
| 5/20 01:10 | 110.7 | ↑2.1 | |
| 5/20 01:20 | 112.6 | ↑1.9 | |
| 5/20 01:30 | 114.3 | ↑1.7 | |
| 5/20 01:40 | 115.9 | ↑1.6 | |
| 5/20 01:50 | 117.2 | ↑1.3 | |
| 5/20 02:00 | 118.4 | ↑1.2 | |
| 5/20 02:10 | 119.3 | ↑0.9 | |
| 5/20 02:20 | 120.0 | ↑0.7 | |
| 5/20 02:30 | 120.5 | ↑0.5 | |
| 5/20 02:40 | 120.7 | ↑0.2 | 満潮 |
| 5/20 02:50 | 120.6 | ↓-0.1 | |
| 5/20 03:00 | 120.2 | ↓-0.4 | |
| 5/20 03:10 | 119.5 | ↓-0.7 | |
| 5/20 03:20 | 118.6 | ↓-0.9 | |
| 5/20 03:30 | 117.3 | ↓-1.3 | |
| 5/20 03:40 | 115.8 | ↓-1.5 | |
| 5/20 03:50 | 113.9 | ↓-1.9 | |
| 5/20 04:00 | 111.8 | ↓-2.1 | |
| 5/20 04:10 | 109.3 | ↓-2.5 | |
| 5/20 04:20 | 106.6 | ↓-2.7 | |
| 5/20 04:30 | 103.6 | ↓-3.0 | |
| 5/20 04:40 | 100.3 | ↓-3.3 | |
| 5/20 04:50 | 96.8 | ↓-3.5 | |
| 5/20 05:00 | 93.1 | ↓-3.7 | |
| 5/20 05:10 | 89.1 | ↓-4.0 | |
| 5/20 05:20 | 85.0 | ↓-4.1 | |
| 5/20 05:30 | 80.6 | ↓-4.4 | |
| 5/20 05:40 | 76.1 | ↓-4.5 | |
| 5/20 05:50 | 71.5 | ↓-4.6 | |
| 5/20 06:00 | 66.8 | ↓-4.7 | |
| 5/20 06:10 | 62.0 | ↓-4.8 | |
| 5/20 06:20 | 57.1 | ↓-4.9 | 最大潮位差 |
| 5/20 06:30 | 52.2 | ↓-4.9 | 最大潮位差 |
| 5/20 06:40 | 47.4 | ↓-4.8 | |
| 5/20 06:50 | 42.5 | ↓-4.9 | 最大潮位差 |
| 5/20 07:00 | 37.7 | ↓-4.8 | |
| 5/20 07:10 | 33.0 | ↓-4.7 | |
| 5/20 07:20 | 28.4 | ↓-4.6 | |
| 5/20 07:30 | 24.0 | ↓-4.4 | |
| 5/20 07:40 | 19.8 | ↓-4.2 | |
| 5/20 07:50 | 15.7 | ↓-4.1 | |
| 5/20 08:00 | 11.9 | ↓-3.8 | |
| 5/20 08:10 | 8.3 | ↓-3.6 | |
| 5/20 08:20 | 4.9 | ↓-3.4 | |
| 5/20 08:30 | 1.9 | ↓-3.0 | |
| 5/20 08:40 | -0.8 | ↓-2.7 | |
| 5/20 08:50 | -3.2 | ↓-2.4 | |
| 5/20 09:00 | -5.3 | ↓-2.1 | |
| 5/20 09:10 | -7.0 | ↓-1.7 | |
| 5/20 09:20 | -8.4 | ↓-1.4 | |
| 5/20 09:30 | -9.4 | ↓-1.0 | |
| 5/20 09:40 | -10.0 | ↓-0.6 | |
| 5/20 09:50 | -10.3 | ↓-0.3 | 干潮 |
| 5/20 10:00 | -10.2 | ↑0.1 | |
| 5/20 10:10 | -9.7 | ↑0.5 | |
| 5/20 10:20 | -8.9 | ↑0.8 | |
| 5/20 10:30 | -7.7 | ↑1.2 | |
| 5/20 10:40 | -6.2 | ↑1.5 | |
| 5/20 10:50 | -4.3 | ↑1.9 | |
| 5/20 11:00 | -2.1 | ↑2.2 | |
| 5/20 11:10 | 0.4 | ↑2.5 | |
| 5/20 11:20 | 3.2 | ↑2.8 | |
| 5/20 11:30 | 6.3 | ↑3.1 | |
| 5/20 11:40 | 9.6 | ↑3.3 | |
| 5/20 11:50 | 13.2 | ↑3.6 | |
| 5/20 12:00 | 17.0 | ↑3.8 | |
| 5/20 12:10 | 21.0 | ↑4.0 | |
| 5/20 12:20 | 25.2 | ↑4.2 | |
| 5/20 12:30 | 29.5 | ↑4.3 | |
| 5/20 12:40 | 33.9 | ↑4.4 | |
| 5/20 12:50 | 38.4 | ↑4.5 | |
| 5/20 13:00 | 43.0 | ↑4.6 | |
| 5/20 13:10 | 47.7 | ↑4.7 | |
| 5/20 13:20 | 52.3 | ↑4.6 | |
| 5/20 13:30 | 57.0 | ↑4.7 | |
| 5/20 13:40 | 61.6 | ↑4.6 | |
| 5/20 13:50 | 66.2 | ↑4.6 | |
| 5/20 14:00 | 70.7 | ↑4.5 | |
| 5/20 14:10 | 75.1 | ↑4.4 | |
| 5/20 14:20 | 79.4 | ↑4.3 | |
| 5/20 14:30 | 83.5 | ↑4.1 | |
| 5/20 14:40 | 87.5 | ↑4.0 | |
| 5/20 14:50 | 91.3 | ↑3.8 | |
| 5/20 15:00 | 94.9 | ↑3.6 | |
| 5/20 15:10 | 98.3 | ↑3.4 | |
| 5/20 15:20 | 101.4 | ↑3.1 | |
| 5/20 15:30 | 104.3 | ↑2.9 | |
| 5/20 15:40 | 106.9 | ↑2.6 | |
| 5/20 15:50 | 109.2 | ↑2.3 | |
| 5/20 16:00 | 111.3 | ↑2.1 | |
| 5/20 16:10 | 113.1 | ↑1.8 | |
| 5/20 16:20 | 114.6 | ↑1.5 | |
| 5/20 16:30 | 115.8 | ↑1.2 | |
| 5/20 16:40 | 116.7 | ↑0.9 | |
| 5/20 16:50 | 117.3 | ↑0.6 | |
| 5/20 17:00 | 117.7 | ↑0.4 | 満潮 |
| 5/20 17:10 | 117.8 | ↑0.1 | |
| 5/20 17:20 | 117.6 | ↓-0.2 | |
| 5/20 17:30 | 117.1 | ↓-0.5 | |
| 5/20 17:40 | 116.4 | ↓-0.7 | |
| 5/20 17:50 | 115.5 | ↓-0.9 | |
| 5/20 18:00 | 114.3 | ↓-1.2 | |
| 5/20 18:10 | 113.0 | ↓-1.3 | |
| 5/20 18:20 | 111.5 | ↓-1.5 | |
| 5/20 18:30 | 109.8 | ↓-1.7 | |
| 5/20 18:40 | 108.0 | ↓-1.8 | |
| 5/20 18:50 | 106.1 | ↓-1.9 | |
| 5/20 19:00 | 104.1 | ↓-2.0 | |
| 5/20 19:10 | 102.0 | ↓-2.1 | |
| 5/20 19:20 | 99.9 | ↓-2.1 | |
| 5/20 19:30 | 97.8 | ↓-2.1 | |
| 5/20 19:40 | 95.7 | ↓-2.1 | |
| 5/20 19:50 | 93.6 | ↓-2.1 | |
| 5/20 20:00 | 91.6 | ↓-2.0 | |
| 5/20 20:10 | 89.6 | ↓-2.0 | |
| 5/20 20:20 | 87.8 | ↓-1.8 | |
| 5/20 20:30 | 86.0 | ↓-1.8 | |
| 5/20 20:40 | 84.4 | ↓-1.6 | |
| 5/20 20:50 | 82.9 | ↓-1.5 | |
| 5/20 21:00 | 81.6 | ↓-1.3 | |
| 5/20 21:10 | 80.5 | ↓-1.1 | |
| 5/20 21:20 | 79.5 | ↓-1.0 | |
| 5/20 21:30 | 78.8 | ↓-0.7 | |
| 5/20 21:40 | 78.3 | ↓-0.5 | |
| 5/20 21:50 | 77.9 | ↓-0.4 | |
| 5/20 22:00 | 77.8 | ↓-0.1 | 干潮 |
| 5/20 22:10 | 77.9 | ↑0.1 | |
| 5/20 22:20 | 78.2 | ↑0.3 | |
| 5/20 22:30 | 78.7 | ↑0.5 | |
| 5/20 22:40 | 79.4 | ↑0.7 | |
| 5/20 22:50 | 80.3 | ↑0.9 | |
| 5/20 23:00 | 81.4 | ↑1.1 | |
| 5/20 23:10 | 82.7 | ↑1.3 | |
| 5/20 23:20 | 84.1 | ↑1.4 | |
| 5/20 23:30 | 85.7 | ↑1.6 | |
| 5/20 23:40 | 87.4 | ↑1.7 | |
| 5/20 23:50 | 89.3 | ↑1.9 |