| 満潮 | 干潮 | 満潮 | 干潮 |
|
4
(月) |
01:42 | 08:07 | 13:58 | 19:55 |
| 108cm | 42cm | 94cm | 39cm | |
|
||||
那珂湊（茨城）2054年05月4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 |
|---|---|---|---|
| 5/4 00:00 | 96.9 | ↑2.1 | |
| 5/4 00:10 | 98.9 | ↑2.0 | |
| 5/4 00:20 | 100.7 | ↑1.8 | |
| 5/4 00:30 | 102.3 | ↑1.6 | |
| 5/4 00:40 | 103.7 | ↑1.4 | |
| 5/4 00:50 | 104.9 | ↑1.2 | |
| 5/4 01:00 | 105.9 | ↑1.0 | |
| 5/4 01:10 | 106.7 | ↑0.8 | |
| 5/4 01:20 | 107.3 | ↑0.6 | |
| 5/4 01:30 | 107.7 | ↑0.4 | |
| 5/4 01:40 | 107.8 | ↑0.1 | 満潮 |
| 5/4 01:50 | 107.7 | ↓-0.1 | |
| 5/4 02:00 | 107.4 | ↓-0.3 | |
| 5/4 02:10 | 106.9 | ↓-0.5 | |
| 5/4 02:20 | 106.1 | ↓-0.8 | |
| 5/4 02:30 | 105.2 | ↓-0.9 | |
| 5/4 02:40 | 104.0 | ↓-1.2 | |
| 5/4 02:50 | 102.6 | ↓-1.4 | |
| 5/4 03:00 | 101.1 | ↓-1.5 | |
| 5/4 03:10 | 99.4 | ↓-1.7 | |
| 5/4 03:20 | 97.5 | ↓-1.9 | |
| 5/4 03:30 | 95.5 | ↓-2.0 | |
| 5/4 03:40 | 93.4 | ↓-2.1 | |
| 5/4 03:50 | 91.1 | ↓-2.3 | |
| 5/4 04:00 | 88.7 | ↓-2.4 | |
| 5/4 04:10 | 86.2 | ↓-2.5 | |
| 5/4 04:20 | 83.6 | ↓-2.6 | |
| 5/4 04:30 | 81.0 | ↓-2.6 | |
| 5/4 04:40 | 78.4 | ↓-2.6 | |
| 5/4 04:50 | 75.7 | ↓-2.7 | |
| 5/4 05:00 | 73.0 | ↓-2.7 | |
| 5/4 05:10 | 70.3 | ↓-2.7 | |
| 5/4 05:20 | 67.7 | ↓-2.6 | |
| 5/4 05:30 | 65.1 | ↓-2.6 | |
| 5/4 05:40 | 62.6 | ↓-2.5 | |
| 5/4 05:50 | 60.1 | ↓-2.5 | |
| 5/4 06:00 | 57.7 | ↓-2.4 | |
| 5/4 06:10 | 55.5 | ↓-2.2 | |
| 5/4 06:20 | 53.4 | ↓-2.1 | |
| 5/4 06:30 | 51.4 | ↓-2.0 | |
| 5/4 06:40 | 49.6 | ↓-1.8 | |
| 5/4 06:50 | 48.0 | ↓-1.6 | |
| 5/4 07:00 | 46.5 | ↓-1.5 | |
| 5/4 07:10 | 45.2 | ↓-1.3 | |
| 5/4 07:20 | 44.1 | ↓-1.1 | |
| 5/4 07:30 | 43.2 | ↓-0.9 | |
| 5/4 07:40 | 42.6 | ↓-0.6 | |
| 5/4 07:50 | 42.1 | ↓-0.5 | |
| 5/4 08:00 | 41.9 | ↓-0.2 | 干潮 |
| 5/4 08:10 | 41.8 | ↓-0.1 | |
| 5/4 08:20 | 42.0 | ↑0.2 | |
| 5/4 08:30 | 42.4 | ↑0.4 | |
| 5/4 08:40 | 43.0 | ↑0.6 | |
| 5/4 08:50 | 43.9 | ↑0.9 | |
| 5/4 09:00 | 44.9 | ↑1.0 | |
| 5/4 09:10 | 46.1 | ↑1.2 | |
| 5/4 09:20 | 47.5 | ↑1.4 | |
| 5/4 09:30 | 49.0 | ↑1.5 | |
| 5/4 09:40 | 50.7 | ↑1.7 | |
| 5/4 09:50 | 52.5 | ↑1.8 | |
| 5/4 10:00 | 54.5 | ↑2.0 | |
| 5/4 10:10 | 56.5 | ↑2.0 | |
| 5/4 10:20 | 58.7 | ↑2.2 | |
| 5/4 10:30 | 60.9 | ↑2.2 | |
| 5/4 10:40 | 63.2 | ↑2.3 | |
| 5/4 10:50 | 65.5 | ↑2.3 | |
| 5/4 11:00 | 67.8 | ↑2.3 | |
| 5/4 11:10 | 70.1 | ↑2.3 | |
| 5/4 11:20 | 72.4 | ↑2.3 | |
| 5/4 11:30 | 74.7 | ↑2.3 | |
| 5/4 11:40 | 76.9 | ↑2.2 | |
| 5/4 11:50 | 79.0 | ↑2.1 | |
| 5/4 12:00 | 81.1 | ↑2.1 | |
| 5/4 12:10 | 83.0 | ↑1.9 | |
| 5/4 12:20 | 84.8 | ↑1.8 | |
| 5/4 12:30 | 86.5 | ↑1.7 | |
| 5/4 12:40 | 88.1 | ↑1.6 | |
| 5/4 12:50 | 89.4 | ↑1.3 | |
| 5/4 13:00 | 90.6 | ↑1.2 | |
| 5/4 13:10 | 91.7 | ↑1.1 | |
| 5/4 13:20 | 92.5 | ↑0.8 | |
| 5/4 13:30 | 93.1 | ↑0.6 | |
| 5/4 13:40 | 93.6 | ↑0.5 | |
| 5/4 13:50 | 93.8 | ↑0.2 | 満潮 |
| 5/4 14:00 | 93.9 | ↑0.1 | |
| 5/4 14:10 | 93.7 | ↓-0.2 | |
| 5/4 14:20 | 93.3 | ↓-0.4 | |
| 5/4 14:30 | 92.8 | ↓-0.5 | |
| 5/4 14:40 | 92.0 | ↓-0.8 | |
| 5/4 14:50 | 91.0 | ↓-1.0 | |
| 5/4 15:00 | 89.9 | ↓-1.1 | |
| 5/4 15:10 | 88.5 | ↓-1.4 | |
| 5/4 15:20 | 87.0 | ↓-1.5 | |
| 5/4 15:30 | 85.4 | ↓-1.6 | |
| 5/4 15:40 | 83.6 | ↓-1.8 | |
| 5/4 15:50 | 81.6 | ↓-2.0 | |
| 5/4 16:00 | 79.6 | ↓-2.0 | |
| 5/4 16:10 | 77.4 | ↓-2.2 | |
| 5/4 16:20 | 75.2 | ↓-2.2 | |
| 5/4 16:30 | 72.8 | ↓-2.4 | |
| 5/4 16:40 | 70.5 | ↓-2.3 | |
| 5/4 16:50 | 68.1 | ↓-2.4 | |
| 5/4 17:00 | 65.6 | ↓-2.5 | |
| 5/4 17:10 | 63.2 | ↓-2.4 | |
| 5/4 17:20 | 60.8 | ↓-2.4 | |
| 5/4 17:30 | 58.4 | ↓-2.4 | |
| 5/4 17:40 | 56.0 | ↓-2.4 | |
| 5/4 17:50 | 53.8 | ↓-2.2 | |
| 5/4 18:00 | 51.6 | ↓-2.2 | |
| 5/4 18:10 | 49.6 | ↓-2.0 | |
| 5/4 18:20 | 47.6 | ↓-2.0 | |
| 5/4 18:30 | 45.8 | ↓-1.8 | |
| 5/4 18:40 | 44.2 | ↓-1.6 | |
| 5/4 18:50 | 42.7 | ↓-1.5 | |
| 5/4 19:00 | 41.5 | ↓-1.2 | |
| 5/4 19:10 | 40.4 | ↓-1.1 | |
| 5/4 19:20 | 39.5 | ↓-0.9 | |
| 5/4 19:30 | 38.8 | ↓-0.7 | |
| 5/4 19:40 | 38.4 | ↓-0.4 | |
| 5/4 19:50 | 38.2 | ↓-0.2 | 干潮 |
| 5/4 20:00 | 38.2 | 0 | |
| 5/4 20:10 | 38.4 | ↑0.2 | |
| 5/4 20:20 | 38.9 | ↑0.5 | |
| 5/4 20:30 | 39.6 | ↑0.7 | |
| 5/4 20:40 | 40.6 | ↑1.0 | |
| 5/4 20:50 | 41.8 | ↑1.2 | |
| 5/4 21:00 | 43.2 | ↑1.4 | |
| 5/4 21:10 | 44.8 | ↑1.6 | |
| 5/4 21:20 | 46.6 | ↑1.8 | |
| 5/4 21:30 | 48.6 | ↑2.0 | |
| 5/4 21:40 | 50.7 | ↑2.1 | |
| 5/4 21:50 | 53.1 | ↑2.4 | |
| 5/4 22:00 | 55.6 | ↑2.5 | |
| 5/4 22:10 | 58.2 | ↑2.6 | |
| 5/4 22:20 | 60.9 | ↑2.7 | |
| 5/4 22:30 | 63.8 | ↑2.9 | |
| 5/4 22:40 | 66.7 | ↑2.9 | |
| 5/4 22:50 | 69.6 | ↑2.9 | |
| 5/4 23:00 | 72.6 | ↑3.0 | 最大潮位差 |
| 5/4 23:10 | 75.6 | ↑3.0 | 最大潮位差 |
| 5/4 23:20 | 78.6 | ↑3.0 | 最大潮位差 |
| 5/4 23:30 | 81.6 | ↑3.0 | 最大潮位差 |
| 5/4 23:40 | 84.5 | ↑2.9 | |
| 5/4 23:50 | 87.4 | ↑2.9 |