| 満潮 | 干潮 | 満潮 | 干潮 |
|
21
(水) |
03:47 | 11:05 | 18:32 | 23:08 |
| 123cm | -14cm | 117cm | 85cm | |
|
||||
那珂湊（茨城）2042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 | 85.7 | ↑1.5 | |
| 5/21 00:10 | 87.4 | ↑1.7 | |
| 5/21 00:20 | 89.3 | ↑1.9 | |
| 5/21 00:30 | 91.2 | ↑1.9 | |
| 5/21 00:40 | 93.2 | ↑2.0 | |
| 5/21 00:50 | 95.3 | ↑2.1 | |
| 5/21 01:00 | 97.4 | ↑2.1 | |
| 5/21 01:10 | 99.6 | ↑2.2 | |
| 5/21 01:20 | 101.8 | ↑2.2 | |
| 5/21 01:30 | 104.0 | ↑2.2 | |
| 5/21 01:40 | 106.1 | ↑2.1 | |
| 5/21 01:50 | 108.2 | ↑2.1 | |
| 5/21 02:00 | 110.2 | ↑2.0 | |
| 5/21 02:10 | 112.2 | ↑2.0 | |
| 5/21 02:20 | 114.0 | ↑1.8 | |
| 5/21 02:30 | 115.7 | ↑1.7 | |
| 5/21 02:40 | 117.2 | ↑1.5 | |
| 5/21 02:50 | 118.6 | ↑1.4 | |
| 5/21 03:00 | 119.8 | ↑1.2 | |
| 5/21 03:10 | 120.8 | ↑1.0 | |
| 5/21 03:20 | 121.6 | ↑0.8 | |
| 5/21 03:30 | 122.1 | ↑0.5 | |
| 5/21 03:40 | 122.4 | ↑0.3 | 満潮 |
| 5/21 03:50 | 122.4 | 0 | |
| 5/21 04:00 | 122.2 | ↓-0.2 | |
| 5/21 04:10 | 121.7 | ↓-0.5 | |
| 5/21 04:20 | 120.9 | ↓-0.8 | |
| 5/21 04:30 | 119.8 | ↓-1.1 | |
| 5/21 04:40 | 118.4 | ↓-1.4 | |
| 5/21 04:50 | 116.7 | ↓-1.7 | |
| 5/21 05:00 | 114.7 | ↓-2.0 | |
| 5/21 05:10 | 112.5 | ↓-2.2 | |
| 5/21 05:20 | 109.9 | ↓-2.6 | |
| 5/21 05:30 | 107.0 | ↓-2.9 | |
| 5/21 05:40 | 103.9 | ↓-3.1 | |
| 5/21 05:50 | 100.5 | ↓-3.4 | |
| 5/21 06:00 | 96.8 | ↓-3.7 | |
| 5/21 06:10 | 92.9 | ↓-3.9 | |
| 5/21 06:20 | 88.8 | ↓-4.1 | |
| 5/21 06:30 | 84.5 | ↓-4.3 | |
| 5/21 06:40 | 80.0 | ↓-4.5 | |
| 5/21 06:50 | 75.4 | ↓-4.6 | |
| 5/21 07:00 | 70.6 | ↓-4.8 | |
| 5/21 07:10 | 65.7 | ↓-4.9 | |
| 5/21 07:20 | 60.7 | ↓-5.0 | |
| 5/21 07:30 | 55.7 | ↓-5.0 | |
| 5/21 07:40 | 50.6 | ↓-5.1 | 最大潮位差 |
| 5/21 07:50 | 45.6 | ↓-5.0 | |
| 5/21 08:00 | 40.6 | ↓-5.0 | |
| 5/21 08:10 | 35.7 | ↓-4.9 | |
| 5/21 08:20 | 30.8 | ↓-4.9 | |
| 5/21 08:30 | 26.1 | ↓-4.7 | |
| 5/21 08:40 | 21.5 | ↓-4.6 | |
| 5/21 08:50 | 17.2 | ↓-4.3 | |
| 5/21 09:00 | 13.0 | ↓-4.2 | |
| 5/21 09:10 | 9.0 | ↓-4.0 | |
| 5/21 09:20 | 5.3 | ↓-3.7 | |
| 5/21 09:30 | 1.9 | ↓-3.4 | |
| 5/21 09:40 | -1.2 | ↓-3.1 | |
| 5/21 09:50 | -4.0 | ↓-2.8 | |
| 5/21 10:00 | -6.5 | ↓-2.5 | |
| 5/21 10:10 | -8.6 | ↓-2.1 | |
| 5/21 10:20 | -10.4 | ↓-1.8 | |
| 5/21 10:30 | -11.9 | ↓-1.5 | |
| 5/21 10:40 | -13.0 | ↓-1.1 | |
| 5/21 10:50 | -13.7 | ↓-0.7 | |
| 5/21 11:00 | -14.0 | ↓-0.3 | 干潮 |
| 5/21 11:10 | -14.0 | 0 | |
| 5/21 11:20 | -13.6 | ↑0.4 | |
| 5/21 11:30 | -12.8 | ↑0.8 | |
| 5/21 11:40 | -11.7 | ↑1.1 | |
| 5/21 11:50 | -10.3 | ↑1.4 | |
| 5/21 12:00 | -8.5 | ↑1.8 | |
| 5/21 12:10 | -6.4 | ↑2.1 | |
| 5/21 12:20 | -3.9 | ↑2.5 | |
| 5/21 12:30 | -1.2 | ↑2.7 | |
| 5/21 12:40 | 1.8 | ↑3.0 | |
| 5/21 12:50 | 5.0 | ↑3.2 | |
| 5/21 13:00 | 8.5 | ↑3.5 | |
| 5/21 13:10 | 12.2 | ↑3.7 | |
| 5/21 13:20 | 16.1 | ↑3.9 | |
| 5/21 13:30 | 20.1 | ↑4.0 | |
| 5/21 13:40 | 24.3 | ↑4.2 | |
| 5/21 13:50 | 28.7 | ↑4.4 | |
| 5/21 14:00 | 33.1 | ↑4.4 | |
| 5/21 14:10 | 37.7 | ↑4.6 | |
| 5/21 14:20 | 42.3 | ↑4.6 | |
| 5/21 14:30 | 46.9 | ↑4.6 | |
| 5/21 14:40 | 51.6 | ↑4.7 | |
| 5/21 14:50 | 56.2 | ↑4.6 | |
| 5/21 15:00 | 60.8 | ↑4.6 | |
| 5/21 15:10 | 65.4 | ↑4.6 | |
| 5/21 15:20 | 69.8 | ↑4.4 | |
| 5/21 15:30 | 74.2 | ↑4.4 | |
| 5/21 15:40 | 78.4 | ↑4.2 | |
| 5/21 15:50 | 82.5 | ↑4.1 | |
| 5/21 16:00 | 86.5 | ↑4.0 | |
| 5/21 16:10 | 90.2 | ↑3.7 | |
| 5/21 16:20 | 93.7 | ↑3.5 | |
| 5/21 16:30 | 97.1 | ↑3.4 | |
| 5/21 16:40 | 100.2 | ↑3.1 | |
| 5/21 16:50 | 103.0 | ↑2.8 | |
| 5/21 17:00 | 105.7 | ↑2.7 | |
| 5/21 17:10 | 108.0 | ↑2.3 | |
| 5/21 17:20 | 110.1 | ↑2.1 | |
| 5/21 17:30 | 111.9 | ↑1.8 | |
| 5/21 17:40 | 113.4 | ↑1.5 | |
| 5/21 17:50 | 114.6 | ↑1.2 | |
| 5/21 18:00 | 115.6 | ↑1.0 | |
| 5/21 18:10 | 116.3 | ↑0.7 | |
| 5/21 18:20 | 116.7 | ↑0.4 | |
| 5/21 18:30 | 116.8 | ↑0.1 | 満潮 |
| 5/21 18:40 | 116.7 | ↓-0.1 | |
| 5/21 18:50 | 116.4 | ↓-0.3 | |
| 5/21 19:00 | 115.8 | ↓-0.6 | |
| 5/21 19:10 | 115.0 | ↓-0.8 | |
| 5/21 19:20 | 114.0 | ↓-1.0 | |
| 5/21 19:30 | 112.9 | ↓-1.1 | |
| 5/21 19:40 | 111.6 | ↓-1.3 | |
| 5/21 19:50 | 110.1 | ↓-1.5 | |
| 5/21 20:00 | 108.5 | ↓-1.6 | |
| 5/21 20:10 | 106.9 | ↓-1.6 | |
| 5/21 20:20 | 105.2 | ↓-1.7 | |
| 5/21 20:30 | 103.4 | ↓-1.8 | |
| 5/21 20:40 | 101.6 | ↓-1.8 | |
| 5/21 20:50 | 99.8 | ↓-1.8 | |
| 5/21 21:00 | 98.0 | ↓-1.8 | |
| 5/21 21:10 | 96.3 | ↓-1.7 | |
| 5/21 21:20 | 94.7 | ↓-1.6 | |
| 5/21 21:30 | 93.1 | ↓-1.6 | |
| 5/21 21:40 | 91.6 | ↓-1.5 | |
| 5/21 21:50 | 90.2 | ↓-1.4 | |
| 5/21 22:00 | 89.0 | ↓-1.2 | |
| 5/21 22:10 | 87.9 | ↓-1.1 | |
| 5/21 22:20 | 87.0 | ↓-0.9 | |
| 5/21 22:30 | 86.2 | ↓-0.8 | |
| 5/21 22:40 | 85.7 | ↓-0.5 | |
| 5/21 22:50 | 85.3 | ↓-0.4 | |
| 5/21 23:00 | 85.0 | ↓-0.3 | 干潮 |
| 5/21 23:10 | 85.0 | 0 | |
| 5/21 23:20 | 85.1 | ↑0.1 | |
| 5/21 23:30 | 85.4 | ↑0.3 | |
| 5/21 23:40 | 85.9 | ↑0.5 | |
| 5/21 23:50 | 86.6 | ↑0.7 |