| 満潮 | 干潮 | 満潮 | 干潮 |
|
4
(日) |
03:03 | 09:38 | 16:12 | 21:39 |
| 112cm | 17cm | 106cm | 53cm | |
|
||||
那珂湊（茨城）2042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 | 77.3 | ↑2.8 | |
| 5/4 00:10 | 80.2 | ↑2.9 | |
| 5/4 00:20 | 83.1 | ↑2.9 | |
| 5/4 00:30 | 85.9 | ↑2.8 | |
| 5/4 00:40 | 88.7 | ↑2.8 | |
| 5/4 00:50 | 91.5 | ↑2.8 | |
| 5/4 01:00 | 94.1 | ↑2.6 | |
| 5/4 01:10 | 96.6 | ↑2.5 | |
| 5/4 01:20 | 99.0 | ↑2.4 | |
| 5/4 01:30 | 101.2 | ↑2.2 | |
| 5/4 01:40 | 103.3 | ↑2.1 | |
| 5/4 01:50 | 105.1 | ↑1.8 | |
| 5/4 02:00 | 106.8 | ↑1.7 | |
| 5/4 02:10 | 108.2 | ↑1.4 | |
| 5/4 02:20 | 109.5 | ↑1.3 | |
| 5/4 02:30 | 110.4 | ↑0.9 | |
| 5/4 02:40 | 111.2 | ↑0.8 | |
| 5/4 02:50 | 111.6 | ↑0.4 | |
| 5/4 03:00 | 111.8 | ↑0.2 | 満潮 |
| 5/4 03:10 | 111.7 | ↓-0.1 | |
| 5/4 03:20 | 111.4 | ↓-0.3 | |
| 5/4 03:30 | 110.7 | ↓-0.7 | |
| 5/4 03:40 | 109.8 | ↓-0.9 | |
| 5/4 03:50 | 108.6 | ↓-1.2 | |
| 5/4 04:00 | 107.1 | ↓-1.5 | |
| 5/4 04:10 | 105.4 | ↓-1.7 | |
| 5/4 04:20 | 103.4 | ↓-2.0 | |
| 5/4 04:30 | 101.2 | ↓-2.2 | |
| 5/4 04:40 | 98.7 | ↓-2.5 | |
| 5/4 04:50 | 96.0 | ↓-2.7 | |
| 5/4 05:00 | 93.1 | ↓-2.9 | |
| 5/4 05:10 | 90.0 | ↓-3.1 | |
| 5/4 05:20 | 86.7 | ↓-3.3 | |
| 5/4 05:30 | 83.3 | ↓-3.4 | |
| 5/4 05:40 | 79.7 | ↓-3.6 | |
| 5/4 05:50 | 76.1 | ↓-3.6 | |
| 5/4 06:00 | 72.3 | ↓-3.8 | |
| 5/4 06:10 | 68.5 | ↓-3.8 | |
| 5/4 06:20 | 64.7 | ↓-3.8 | |
| 5/4 06:30 | 60.8 | ↓-3.9 | 最大潮位差 |
| 5/4 06:40 | 57.0 | ↓-3.8 | |
| 5/4 06:50 | 53.2 | ↓-3.8 | |
| 5/4 07:00 | 49.5 | ↓-3.7 | |
| 5/4 07:10 | 45.9 | ↓-3.6 | |
| 5/4 07:20 | 42.4 | ↓-3.5 | |
| 5/4 07:30 | 39.0 | ↓-3.4 | |
| 5/4 07:40 | 35.8 | ↓-3.2 | |
| 5/4 07:50 | 32.8 | ↓-3.0 | |
| 5/4 08:00 | 30.0 | ↓-2.8 | |
| 5/4 08:10 | 27.4 | ↓-2.6 | |
| 5/4 08:20 | 25.0 | ↓-2.4 | |
| 5/4 08:30 | 22.9 | ↓-2.1 | |
| 5/4 08:40 | 21.1 | ↓-1.8 | |
| 5/4 08:50 | 19.5 | ↓-1.6 | |
| 5/4 09:00 | 18.3 | ↓-1.2 | |
| 5/4 09:10 | 17.3 | ↓-1.0 | |
| 5/4 09:20 | 16.7 | ↓-0.6 | |
| 5/4 09:30 | 16.3 | ↓-0.4 | 干潮 |
| 5/4 09:40 | 16.2 | ↓-0.1 | |
| 5/4 09:50 | 16.5 | ↑0.3 | |
| 5/4 10:00 | 17.0 | ↑0.5 | |
| 5/4 10:10 | 17.9 | ↑0.9 | |
| 5/4 10:20 | 19.0 | ↑1.1 | |
| 5/4 10:30 | 20.4 | ↑1.4 | |
| 5/4 10:40 | 22.1 | ↑1.7 | |
| 5/4 10:50 | 24.1 | ↑2.0 | |
| 5/4 11:00 | 26.3 | ↑2.2 | |
| 5/4 11:10 | 28.7 | ↑2.4 | |
| 5/4 11:20 | 31.3 | ↑2.6 | |
| 5/4 11:30 | 34.1 | ↑2.8 | |
| 5/4 11:40 | 37.0 | ↑2.9 | |
| 5/4 11:50 | 40.2 | ↑3.2 | |
| 5/4 12:00 | 43.4 | ↑3.2 | |
| 5/4 12:10 | 46.8 | ↑3.4 | |
| 5/4 12:20 | 50.2 | ↑3.4 | |
| 5/4 12:30 | 53.8 | ↑3.6 | |
| 5/4 12:40 | 57.3 | ↑3.5 | |
| 5/4 12:50 | 60.9 | ↑3.6 | |
| 5/4 13:00 | 64.5 | ↑3.6 | |
| 5/4 13:10 | 68.0 | ↑3.5 | |
| 5/4 13:20 | 71.5 | ↑3.5 | |
| 5/4 13:30 | 74.9 | ↑3.4 | |
| 5/4 13:40 | 78.2 | ↑3.3 | |
| 5/4 13:50 | 81.5 | ↑3.3 | |
| 5/4 14:00 | 84.5 | ↑3.0 | |
| 5/4 14:10 | 87.5 | ↑3.0 | |
| 5/4 14:20 | 90.3 | ↑2.8 | |
| 5/4 14:30 | 92.8 | ↑2.5 | |
| 5/4 14:40 | 95.2 | ↑2.4 | |
| 5/4 14:50 | 97.4 | ↑2.2 | |
| 5/4 15:00 | 99.3 | ↑1.9 | |
| 5/4 15:10 | 101.1 | ↑1.8 | |
| 5/4 15:20 | 102.5 | ↑1.4 | |
| 5/4 15:30 | 103.7 | ↑1.2 | |
| 5/4 15:40 | 104.7 | ↑1.0 | |
| 5/4 15:50 | 105.4 | ↑0.7 | |
| 5/4 16:00 | 105.8 | ↑0.4 | |
| 5/4 16:10 | 106.0 | ↑0.2 | 満潮 |
| 5/4 16:20 | 105.9 | ↓-0.1 | |
| 5/4 16:30 | 105.5 | ↓-0.4 | |
| 5/4 16:40 | 104.9 | ↓-0.6 | |
| 5/4 16:50 | 104.0 | ↓-0.9 | |
| 5/4 17:00 | 102.9 | ↓-1.1 | |
| 5/4 17:10 | 101.6 | ↓-1.3 | |
| 5/4 17:20 | 100.1 | ↓-1.5 | |
| 5/4 17:30 | 98.4 | ↓-1.7 | |
| 5/4 17:40 | 96.5 | ↓-1.9 | |
| 5/4 17:50 | 94.5 | ↓-2.0 | |
| 5/4 18:00 | 92.3 | ↓-2.2 | |
| 5/4 18:10 | 90.0 | ↓-2.3 | |
| 5/4 18:20 | 87.6 | ↓-2.4 | |
| 5/4 18:30 | 85.1 | ↓-2.5 | |
| 5/4 18:40 | 82.5 | ↓-2.6 | |
| 5/4 18:50 | 80.0 | ↓-2.5 | |
| 5/4 19:00 | 77.4 | ↓-2.6 | |
| 5/4 19:10 | 74.9 | ↓-2.5 | |
| 5/4 19:20 | 72.3 | ↓-2.6 | |
| 5/4 19:30 | 69.9 | ↓-2.4 | |
| 5/4 19:40 | 67.5 | ↓-2.4 | |
| 5/4 19:50 | 65.3 | ↓-2.2 | |
| 5/4 20:00 | 63.2 | ↓-2.1 | |
| 5/4 20:10 | 61.2 | ↓-2.0 | |
| 5/4 20:20 | 59.4 | ↓-1.8 | |
| 5/4 20:30 | 57.7 | ↓-1.7 | |
| 5/4 20:40 | 56.3 | ↓-1.4 | |
| 5/4 20:50 | 55.1 | ↓-1.2 | |
| 5/4 21:00 | 54.1 | ↓-1.0 | |
| 5/4 21:10 | 53.3 | ↓-0.8 | |
| 5/4 21:20 | 52.7 | ↓-0.6 | |
| 5/4 21:30 | 52.4 | ↓-0.3 | 干潮 |
| 5/4 21:40 | 52.4 | 0 | |
| 5/4 21:50 | 52.5 | ↑0.1 | |
| 5/4 22:00 | 52.9 | ↑0.4 | |
| 5/4 22:10 | 53.6 | ↑0.7 | |
| 5/4 22:20 | 54.5 | ↑0.9 | |
| 5/4 22:30 | 55.6 | ↑1.1 | |
| 5/4 22:40 | 56.9 | ↑1.3 | |
| 5/4 22:50 | 58.4 | ↑1.5 | |
| 5/4 23:00 | 60.1 | ↑1.7 | |
| 5/4 23:10 | 62.0 | ↑1.9 | |
| 5/4 23:20 | 64.1 | ↑2.1 | |
| 5/4 23:30 | 66.3 | ↑2.2 | |
| 5/4 23:40 | 68.6 | ↑2.3 | |
| 5/4 23:50 | 71.1 | ↑2.5 |