| 満潮 | 干潮 | 満潮 | 干潮 |
|
12
(水) |
03:36 | 10:24 | 17:17 | 22:24 |
| 116cm | 6cm | 110cm | 65cm | |
|
||||
那珂湊（茨城）2021年05月12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 |
|---|---|---|---|
| 5/12 00:00 | 74.3 | ↑2.4 | |
| 5/12 00:10 | 76.8 | ↑2.5 | |
| 5/12 00:20 | 79.3 | ↑2.5 | |
| 5/12 00:30 | 81.9 | ↑2.6 | |
| 5/12 00:40 | 84.5 | ↑2.6 | |
| 5/12 00:50 | 87.2 | ↑2.7 | |
| 5/12 01:00 | 89.9 | ↑2.7 | |
| 5/12 01:10 | 92.5 | ↑2.6 | |
| 5/12 01:20 | 95.1 | ↑2.6 | |
| 5/12 01:30 | 97.6 | ↑2.5 | |
| 5/12 01:40 | 100.0 | ↑2.4 | |
| 5/12 01:50 | 102.3 | ↑2.3 | |
| 5/12 02:00 | 104.5 | ↑2.2 | |
| 5/12 02:10 | 106.6 | ↑2.1 | |
| 5/12 02:20 | 108.4 | ↑1.8 | |
| 5/12 02:30 | 110.1 | ↑1.7 | |
| 5/12 02:40 | 111.6 | ↑1.5 | |
| 5/12 02:50 | 112.9 | ↑1.3 | |
| 5/12 03:00 | 113.9 | ↑1.0 | |
| 5/12 03:10 | 114.7 | ↑0.8 | |
| 5/12 03:20 | 115.3 | ↑0.6 | |
| 5/12 03:30 | 115.6 | ↑0.3 | 満潮 |
| 5/12 03:40 | 115.6 | 0 | |
| 5/12 03:50 | 115.3 | ↓-0.3 | |
| 5/12 04:00 | 114.7 | ↓-0.6 | |
| 5/12 04:10 | 113.9 | ↓-0.8 | |
| 5/12 04:20 | 112.7 | ↓-1.2 | |
| 5/12 04:30 | 111.3 | ↓-1.4 | |
| 5/12 04:40 | 109.6 | ↓-1.7 | |
| 5/12 04:50 | 107.6 | ↓-2.0 | |
| 5/12 05:00 | 105.3 | ↓-2.3 | |
| 5/12 05:10 | 102.7 | ↓-2.6 | |
| 5/12 05:20 | 99.9 | ↓-2.8 | |
| 5/12 05:30 | 96.9 | ↓-3.0 | |
| 5/12 05:40 | 93.6 | ↓-3.3 | |
| 5/12 05:50 | 90.2 | ↓-3.4 | |
| 5/12 06:00 | 86.5 | ↓-3.7 | |
| 5/12 06:10 | 82.7 | ↓-3.8 | |
| 5/12 06:20 | 78.7 | ↓-4.0 | |
| 5/12 06:30 | 74.6 | ↓-4.1 | |
| 5/12 06:40 | 70.5 | ↓-4.1 | |
| 5/12 06:50 | 66.2 | ↓-4.3 | 最大潮位差 |
| 5/12 07:00 | 61.9 | ↓-4.3 | 最大潮位差 |
| 5/12 07:10 | 57.6 | ↓-4.3 | 最大潮位差 |
| 5/12 07:20 | 53.3 | ↓-4.3 | 最大潮位差 |
| 5/12 07:30 | 49.0 | ↓-4.3 | 最大潮位差 |
| 5/12 07:40 | 44.9 | ↓-4.1 | |
| 5/12 07:50 | 40.8 | ↓-4.1 | |
| 5/12 08:00 | 36.8 | ↓-4.0 | |
| 5/12 08:10 | 33.0 | ↓-3.8 | |
| 5/12 08:20 | 29.3 | ↓-3.7 | |
| 5/12 08:30 | 25.9 | ↓-3.4 | |
| 5/12 08:40 | 22.6 | ↓-3.3 | |
| 5/12 08:50 | 19.6 | ↓-3.0 | |
| 5/12 09:00 | 16.9 | ↓-2.7 | |
| 5/12 09:10 | 14.4 | ↓-2.5 | |
| 5/12 09:20 | 12.2 | ↓-2.2 | |
| 5/12 09:30 | 10.3 | ↓-1.9 | |
| 5/12 09:40 | 8.7 | ↓-1.6 | |
| 5/12 09:50 | 7.5 | ↓-1.2 | |
| 5/12 10:00 | 6.6 | ↓-0.9 | |
| 5/12 10:10 | 6.0 | ↓-0.6 | |
| 5/12 10:20 | 5.7 | ↓-0.3 | 干潮 |
| 5/12 10:30 | 5.8 | ↑0.1 | |
| 5/12 10:40 | 6.1 | ↑0.3 | |
| 5/12 10:50 | 6.9 | ↑0.8 | |
| 5/12 11:00 | 7.9 | ↑1.0 | |
| 5/12 11:10 | 9.2 | ↑1.3 | |
| 5/12 11:20 | 10.8 | ↑1.6 | |
| 5/12 11:30 | 12.8 | ↑2.0 | |
| 5/12 11:40 | 14.9 | ↑2.1 | |
| 5/12 11:50 | 17.4 | ↑2.5 | |
| 5/12 12:00 | 20.1 | ↑2.7 | |
| 5/12 12:10 | 23.0 | ↑2.9 | |
| 5/12 12:20 | 26.1 | ↑3.1 | |
| 5/12 12:30 | 29.3 | ↑3.2 | |
| 5/12 12:40 | 32.8 | ↑3.5 | |
| 5/12 12:50 | 36.4 | ↑3.6 | |
| 5/12 13:00 | 40.0 | ↑3.6 | |
| 5/12 13:10 | 43.8 | ↑3.8 | |
| 5/12 13:20 | 47.7 | ↑3.9 | |
| 5/12 13:30 | 51.6 | ↑3.9 | |
| 5/12 13:40 | 55.6 | ↑4.0 | |
| 5/12 13:50 | 59.5 | ↑3.9 | |
| 5/12 14:00 | 63.4 | ↑3.9 | |
| 5/12 14:10 | 67.3 | ↑3.9 | |
| 5/12 14:20 | 71.1 | ↑3.8 | |
| 5/12 14:30 | 74.9 | ↑3.8 | |
| 5/12 14:40 | 78.5 | ↑3.6 | |
| 5/12 14:50 | 82.0 | ↑3.5 | |
| 5/12 15:00 | 85.4 | ↑3.4 | |
| 5/12 15:10 | 88.6 | ↑3.2 | |
| 5/12 15:20 | 91.6 | ↑3.0 | |
| 5/12 15:30 | 94.4 | ↑2.8 | |
| 5/12 15:40 | 97.0 | ↑2.6 | |
| 5/12 15:50 | 99.4 | ↑2.4 | |
| 5/12 16:00 | 101.5 | ↑2.1 | |
| 5/12 16:10 | 103.4 | ↑1.9 | |
| 5/12 16:20 | 105.0 | ↑1.6 | |
| 5/12 16:30 | 106.4 | ↑1.4 | |
| 5/12 16:40 | 107.5 | ↑1.1 | |
| 5/12 16:50 | 108.3 | ↑0.8 | |
| 5/12 17:00 | 108.9 | ↑0.6 | |
| 5/12 17:10 | 109.2 | ↑0.3 | 満潮 |
| 5/12 17:20 | 109.2 | 0 | |
| 5/12 17:30 | 109.0 | ↓-0.2 | |
| 5/12 17:40 | 108.5 | ↓-0.5 | |
| 5/12 17:50 | 107.8 | ↓-0.7 | |
| 5/12 18:00 | 106.8 | ↓-1.0 | |
| 5/12 18:10 | 105.6 | ↓-1.2 | |
| 5/12 18:20 | 104.2 | ↓-1.4 | |
| 5/12 18:30 | 102.7 | ↓-1.5 | |
| 5/12 18:40 | 100.9 | ↓-1.8 | |
| 5/12 18:50 | 99.1 | ↓-1.8 | |
| 5/12 19:00 | 97.0 | ↓-2.1 | |
| 5/12 19:10 | 94.9 | ↓-2.1 | |
| 5/12 19:20 | 92.7 | ↓-2.2 | |
| 5/12 19:30 | 90.5 | ↓-2.2 | |
| 5/12 19:40 | 88.2 | ↓-2.3 | |
| 5/12 19:50 | 85.9 | ↓-2.3 | |
| 5/12 20:00 | 83.6 | ↓-2.3 | |
| 5/12 20:10 | 81.4 | ↓-2.2 | |
| 5/12 20:20 | 79.2 | ↓-2.2 | |
| 5/12 20:30 | 77.1 | ↓-2.1 | |
| 5/12 20:40 | 75.1 | ↓-2.0 | |
| 5/12 20:50 | 73.2 | ↓-1.9 | |
| 5/12 21:00 | 71.5 | ↓-1.7 | |
| 5/12 21:10 | 69.9 | ↓-1.6 | |
| 5/12 21:20 | 68.5 | ↓-1.4 | |
| 5/12 21:30 | 67.2 | ↓-1.3 | |
| 5/12 21:40 | 66.2 | ↓-1.0 | |
| 5/12 21:50 | 65.4 | ↓-0.8 | |
| 5/12 22:00 | 64.8 | ↓-0.6 | |
| 5/12 22:10 | 64.4 | ↓-0.4 | |
| 5/12 22:20 | 64.2 | ↓-0.2 | 干潮 |
| 5/12 22:30 | 64.3 | ↑0.1 | |
| 5/12 22:40 | 64.5 | ↑0.2 | |
| 5/12 22:50 | 65.0 | ↑0.5 | |
| 5/12 23:00 | 65.7 | ↑0.7 | |
| 5/12 23:10 | 66.6 | ↑0.9 | |
| 5/12 23:20 | 67.7 | ↑1.1 | |
| 5/12 23:30 | 69.0 | ↑1.3 | |
| 5/12 23:40 | 70.5 | ↑1.5 | |
| 5/12 23:50 | 72.1 | ↑1.6 |