| 満潮 | 干潮 | 満潮 | 干潮 |
|
7
(月) |
03:31 | 09:44 | 16:10 | 22:03 |
| 109cm | 19cm | 113cm | 37cm | |
|
||||
那珂湊（茨城）2031年04月7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 |
|---|---|---|---|
| 4/7 00:00 | 60.2 | ↑3.2 | |
| 4/7 00:10 | 63.4 | ↑3.2 | |
| 4/7 00:20 | 66.7 | ↑3.3 | |
| 4/7 00:30 | 70.1 | ↑3.4 | |
| 4/7 00:40 | 73.4 | ↑3.3 | |
| 4/7 00:50 | 76.7 | ↑3.3 | |
| 4/7 01:00 | 79.9 | ↑3.2 | |
| 4/7 01:10 | 83.1 | ↑3.2 | |
| 4/7 01:20 | 86.1 | ↑3.0 | |
| 4/7 01:30 | 89.1 | ↑3.0 | |
| 4/7 01:40 | 91.9 | ↑2.8 | |
| 4/7 01:50 | 94.5 | ↑2.6 | |
| 4/7 02:00 | 96.9 | ↑2.4 | |
| 4/7 02:10 | 99.2 | ↑2.3 | |
| 4/7 02:20 | 101.2 | ↑2.0 | |
| 4/7 02:30 | 103.0 | ↑1.8 | |
| 4/7 02:40 | 104.6 | ↑1.6 | |
| 4/7 02:50 | 105.8 | ↑1.2 | |
| 4/7 03:00 | 106.8 | ↑1.0 | |
| 4/7 03:10 | 107.6 | ↑0.8 | |
| 4/7 03:20 | 108.0 | ↑0.4 | |
| 4/7 03:30 | 108.1 | ↑0.1 | 満潮 |
| 4/7 03:40 | 108.0 | ↓-0.1 | |
| 4/7 03:50 | 107.5 | ↓-0.5 | |
| 4/7 04:00 | 106.8 | ↓-0.7 | |
| 4/7 04:10 | 105.7 | ↓-1.1 | |
| 4/7 04:20 | 104.4 | ↓-1.3 | |
| 4/7 04:30 | 102.8 | ↓-1.6 | |
| 4/7 04:40 | 100.9 | ↓-1.9 | |
| 4/7 04:50 | 98.7 | ↓-2.2 | |
| 4/7 05:00 | 96.3 | ↓-2.4 | |
| 4/7 05:10 | 93.6 | ↓-2.7 | |
| 4/7 05:20 | 90.8 | ↓-2.8 | |
| 4/7 05:30 | 87.7 | ↓-3.1 | |
| 4/7 05:40 | 84.5 | ↓-3.2 | |
| 4/7 05:50 | 81.1 | ↓-3.4 | |
| 4/7 06:00 | 77.6 | ↓-3.5 | |
| 4/7 06:10 | 73.9 | ↓-3.7 | |
| 4/7 06:20 | 70.2 | ↓-3.7 | |
| 4/7 06:30 | 66.5 | ↓-3.7 | |
| 4/7 06:40 | 62.7 | ↓-3.8 | 最大潮位差 |
| 4/7 06:50 | 58.9 | ↓-3.8 | 最大潮位差 |
| 4/7 07:00 | 55.1 | ↓-3.8 | 最大潮位差 |
| 4/7 07:10 | 51.4 | ↓-3.7 | |
| 4/7 07:20 | 47.8 | ↓-3.6 | |
| 4/7 07:30 | 44.3 | ↓-3.5 | |
| 4/7 07:40 | 41.0 | ↓-3.3 | |
| 4/7 07:50 | 37.8 | ↓-3.2 | |
| 4/7 08:00 | 34.7 | ↓-3.1 | |
| 4/7 08:10 | 31.9 | ↓-2.8 | |
| 4/7 08:20 | 29.4 | ↓-2.5 | |
| 4/7 08:30 | 27.0 | ↓-2.4 | |
| 4/7 08:40 | 25.0 | ↓-2.0 | |
| 4/7 08:50 | 23.2 | ↓-1.8 | |
| 4/7 09:00 | 21.7 | ↓-1.5 | |
| 4/7 09:10 | 20.5 | ↓-1.2 | |
| 4/7 09:20 | 19.6 | ↓-0.9 | |
| 4/7 09:30 | 19.0 | ↓-0.6 | |
| 4/7 09:40 | 18.8 | ↓-0.2 | 干潮 |
| 4/7 09:50 | 18.8 | 0 | |
| 4/7 10:00 | 19.2 | ↑0.4 | |
| 4/7 10:10 | 19.9 | ↑0.7 | |
| 4/7 10:20 | 20.9 | ↑1.0 | |
| 4/7 10:30 | 22.3 | ↑1.4 | |
| 4/7 10:40 | 23.9 | ↑1.6 | |
| 4/7 10:50 | 25.7 | ↑1.8 | |
| 4/7 11:00 | 27.9 | ↑2.2 | |
| 4/7 11:10 | 30.3 | ↑2.4 | |
| 4/7 11:20 | 32.9 | ↑2.6 | |
| 4/7 11:30 | 35.8 | ↑2.9 | |
| 4/7 11:40 | 38.8 | ↑3.0 | |
| 4/7 11:50 | 42.1 | ↑3.3 | |
| 4/7 12:00 | 45.4 | ↑3.3 | |
| 4/7 12:10 | 48.9 | ↑3.5 | |
| 4/7 12:20 | 52.5 | ↑3.6 | |
| 4/7 12:30 | 56.2 | ↑3.7 | |
| 4/7 12:40 | 60.0 | ↑3.8 | 最大潮位差 |
| 4/7 12:50 | 63.8 | ↑3.8 | 最大潮位差 |
| 4/7 13:00 | 67.6 | ↑3.8 | 最大潮位差 |
| 4/7 13:10 | 71.3 | ↑3.7 | |
| 4/7 13:20 | 75.1 | ↑3.8 | 最大潮位差 |
| 4/7 13:30 | 78.8 | ↑3.7 | |
| 4/7 13:40 | 82.3 | ↑3.5 | |
| 4/7 13:50 | 85.8 | ↑3.5 | |
| 4/7 14:00 | 89.2 | ↑3.4 | |
| 4/7 14:10 | 92.3 | ↑3.1 | |
| 4/7 14:20 | 95.4 | ↑3.1 | |
| 4/7 14:30 | 98.2 | ↑2.8 | |
| 4/7 14:40 | 100.8 | ↑2.6 | |
| 4/7 14:50 | 103.1 | ↑2.3 | |
| 4/7 15:00 | 105.3 | ↑2.2 | |
| 4/7 15:10 | 107.1 | ↑1.8 | |
| 4/7 15:20 | 108.7 | ↑1.6 | |
| 4/7 15:30 | 110.0 | ↑1.3 | |
| 4/7 15:40 | 111.1 | ↑1.1 | |
| 4/7 15:50 | 111.8 | ↑0.7 | |
| 4/7 16:00 | 112.2 | ↑0.4 | 満潮 |
| 4/7 16:10 | 112.3 | ↑0.1 | 満潮 |
| 4/7 16:20 | 112.2 | ↓-0.1 | |
| 4/7 16:30 | 111.7 | ↓-0.5 | |
| 4/7 16:40 | 110.9 | ↓-0.8 | |
| 4/7 16:50 | 109.8 | ↓-1.1 | |
| 4/7 17:00 | 108.4 | ↓-1.4 | |
| 4/7 17:10 | 106.8 | ↓-1.6 | |
| 4/7 17:20 | 104.9 | ↓-1.9 | |
| 4/7 17:30 | 102.8 | ↓-2.1 | |
| 4/7 17:40 | 100.4 | ↓-2.4 | |
| 4/7 17:50 | 97.8 | ↓-2.6 | |
| 4/7 18:00 | 95.1 | ↓-2.7 | |
| 4/7 18:10 | 92.1 | ↓-3.0 | |
| 4/7 18:20 | 89.0 | ↓-3.1 | |
| 4/7 18:30 | 85.9 | ↓-3.1 | |
| 4/7 18:40 | 82.6 | ↓-3.3 | |
| 4/7 18:50 | 79.2 | ↓-3.4 | |
| 4/7 19:00 | 75.8 | ↓-3.4 | |
| 4/7 19:10 | 72.4 | ↓-3.4 | |
| 4/7 19:20 | 69.0 | ↓-3.4 | |
| 4/7 19:30 | 65.7 | ↓-3.3 | |
| 4/7 19:40 | 62.4 | ↓-3.3 | |
| 4/7 19:50 | 59.2 | ↓-3.2 | |
| 4/7 20:00 | 56.2 | ↓-3.0 | |
| 4/7 20:10 | 53.2 | ↓-3.0 | |
| 4/7 20:20 | 50.5 | ↓-2.7 | |
| 4/7 20:30 | 48.0 | ↓-2.5 | |
| 4/7 20:40 | 45.6 | ↓-2.4 | |
| 4/7 20:50 | 43.5 | ↓-2.1 | |
| 4/7 21:00 | 41.6 | ↓-1.9 | |
| 4/7 21:10 | 40.0 | ↓-1.6 | |
| 4/7 21:20 | 38.7 | ↓-1.3 | |
| 4/7 21:30 | 37.6 | ↓-1.1 | |
| 4/7 21:40 | 36.8 | ↓-0.8 | |
| 4/7 21:50 | 36.3 | ↓-0.5 | |
| 4/7 22:00 | 36.1 | ↓-0.2 | 干潮 |
| 4/7 22:10 | 36.2 | ↑0.1 | |
| 4/7 22:20 | 36.6 | ↑0.4 | |
| 4/7 22:30 | 37.3 | ↑0.7 | |
| 4/7 22:40 | 38.2 | ↑0.9 | |
| 4/7 22:50 | 39.4 | ↑1.2 | |
| 4/7 23:00 | 40.9 | ↑1.5 | |
| 4/7 23:10 | 42.6 | ↑1.7 | |
| 4/7 23:20 | 44.6 | ↑2.0 | |
| 4/7 23:30 | 46.7 | ↑2.1 | |
| 4/7 23:40 | 49.1 | ↑2.4 | |
| 4/7 23:50 | 51.7 | ↑2.6 |