| 満潮 | 干潮 | 満潮 | 干潮 |
|
4
(火) |
03:36 | 10:09 | 16:44 | 22:12 |
| 114cm | 15cm | 108cm | 52cm | |
|
||||
那珂湊（茨城）2038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 | 67.6 | ↑2.8 | |
| 5/4 00:10 | 70.4 | ↑2.8 | |
| 5/4 00:20 | 73.4 | ↑3.0 | |
| 5/4 00:30 | 76.3 | ↑2.9 | |
| 5/4 00:40 | 79.3 | ↑3.0 | |
| 5/4 00:50 | 82.3 | ↑3.0 | |
| 5/4 01:00 | 85.2 | ↑2.9 | |
| 5/4 01:10 | 88.1 | ↑2.9 | |
| 5/4 01:20 | 91.0 | ↑2.9 | |
| 5/4 01:30 | 93.7 | ↑2.7 | |
| 5/4 01:40 | 96.4 | ↑2.7 | |
| 5/4 01:50 | 98.9 | ↑2.5 | |
| 5/4 02:00 | 101.2 | ↑2.3 | |
| 5/4 02:10 | 103.4 | ↑2.2 | |
| 5/4 02:20 | 105.4 | ↑2.0 | |
| 5/4 02:30 | 107.2 | ↑1.8 | |
| 5/4 02:40 | 108.8 | ↑1.6 | |
| 5/4 02:50 | 110.2 | ↑1.4 | |
| 5/4 03:00 | 111.3 | ↑1.1 | |
| 5/4 03:10 | 112.1 | ↑0.8 | |
| 5/4 03:20 | 112.7 | ↑0.6 | |
| 5/4 03:30 | 113.0 | ↑0.3 | 満潮 |
| 5/4 03:40 | 113.0 | 0 | |
| 5/4 03:50 | 112.7 | ↓-0.3 | |
| 5/4 04:00 | 112.2 | ↓-0.5 | |
| 5/4 04:10 | 111.3 | ↓-0.9 | |
| 5/4 04:20 | 110.2 | ↓-1.1 | |
| 5/4 04:30 | 108.7 | ↓-1.5 | |
| 5/4 04:40 | 107.0 | ↓-1.7 | |
| 5/4 04:50 | 105.0 | ↓-2.0 | |
| 5/4 05:00 | 102.7 | ↓-2.3 | |
| 5/4 05:10 | 100.2 | ↓-2.5 | |
| 5/4 05:20 | 97.4 | ↓-2.8 | |
| 5/4 05:30 | 94.5 | ↓-2.9 | |
| 5/4 05:40 | 91.3 | ↓-3.2 | |
| 5/4 05:50 | 87.9 | ↓-3.4 | |
| 5/4 06:00 | 84.4 | ↓-3.5 | |
| 5/4 06:10 | 80.7 | ↓-3.7 | |
| 5/4 06:20 | 76.9 | ↓-3.8 | |
| 5/4 06:30 | 73.0 | ↓-3.9 | |
| 5/4 06:40 | 69.0 | ↓-4.0 | 最大潮位差 |
| 5/4 06:50 | 65.0 | ↓-4.0 | 最大潮位差 |
| 5/4 07:00 | 61.0 | ↓-4.0 | 最大潮位差 |
| 5/4 07:10 | 57.0 | ↓-4.0 | 最大潮位差 |
| 5/4 07:20 | 53.1 | ↓-3.9 | |
| 5/4 07:30 | 49.2 | ↓-3.9 | |
| 5/4 07:40 | 45.4 | ↓-3.8 | |
| 5/4 07:50 | 41.7 | ↓-3.7 | |
| 5/4 08:00 | 38.2 | ↓-3.5 | |
| 5/4 08:10 | 34.8 | ↓-3.4 | |
| 5/4 08:20 | 31.6 | ↓-3.2 | |
| 5/4 08:30 | 28.7 | ↓-2.9 | |
| 5/4 08:40 | 26.0 | ↓-2.7 | |
| 5/4 08:50 | 23.5 | ↓-2.5 | |
| 5/4 09:00 | 21.3 | ↓-2.2 | |
| 5/4 09:10 | 19.3 | ↓-2.0 | |
| 5/4 09:20 | 17.7 | ↓-1.6 | |
| 5/4 09:30 | 16.4 | ↓-1.3 | |
| 5/4 09:40 | 15.3 | ↓-1.1 | |
| 5/4 09:50 | 14.6 | ↓-0.7 | |
| 5/4 10:00 | 14.2 | ↓-0.4 | 干潮 |
| 5/4 10:10 | 14.1 | ↓-0.1 | |
| 5/4 10:20 | 14.4 | ↑0.3 | |
| 5/4 10:30 | 14.9 | ↑0.5 | |
| 5/4 10:40 | 15.8 | ↑0.9 | |
| 5/4 10:50 | 16.9 | ↑1.1 | |
| 5/4 11:00 | 18.4 | ↑1.5 | |
| 5/4 11:10 | 20.1 | ↑1.7 | |
| 5/4 11:20 | 22.0 | ↑1.9 | |
| 5/4 11:30 | 24.3 | ↑2.3 | |
| 5/4 11:40 | 26.7 | ↑2.4 | |
| 5/4 11:50 | 29.4 | ↑2.7 | |
| 5/4 12:00 | 32.3 | ↑2.9 | |
| 5/4 12:10 | 35.4 | ↑3.1 | |
| 5/4 12:20 | 38.6 | ↑3.2 | |
| 5/4 12:30 | 41.9 | ↑3.3 | |
| 5/4 12:40 | 45.4 | ↑3.5 | |
| 5/4 12:50 | 49.0 | ↑3.6 | |
| 5/4 13:00 | 52.6 | ↑3.6 | |
| 5/4 13:10 | 56.3 | ↑3.7 | |
| 5/4 13:20 | 60.0 | ↑3.7 | |
| 5/4 13:30 | 63.7 | ↑3.7 | |
| 5/4 13:40 | 67.4 | ↑3.7 | |
| 5/4 13:50 | 71.0 | ↑3.6 | |
| 5/4 14:00 | 74.6 | ↑3.6 | |
| 5/4 14:10 | 78.1 | ↑3.5 | |
| 5/4 14:20 | 81.5 | ↑3.4 | |
| 5/4 14:30 | 84.7 | ↑3.2 | |
| 5/4 14:40 | 87.8 | ↑3.1 | |
| 5/4 14:50 | 90.7 | ↑2.9 | |
| 5/4 15:00 | 93.5 | ↑2.8 | |
| 5/4 15:10 | 96.0 | ↑2.5 | |
| 5/4 15:20 | 98.3 | ↑2.3 | |
| 5/4 15:30 | 100.4 | ↑2.1 | |
| 5/4 15:40 | 102.3 | ↑1.9 | |
| 5/4 15:50 | 103.9 | ↑1.6 | |
| 5/4 16:00 | 105.2 | ↑1.3 | |
| 5/4 16:10 | 106.3 | ↑1.1 | |
| 5/4 16:20 | 107.0 | ↑0.7 | |
| 5/4 16:30 | 107.5 | ↑0.5 | |
| 5/4 16:40 | 107.8 | ↑0.3 | 満潮 |
| 5/4 16:50 | 107.7 | ↓-0.1 | |
| 5/4 17:00 | 107.4 | ↓-0.3 | |
| 5/4 17:10 | 106.8 | ↓-0.6 | |
| 5/4 17:20 | 106.0 | ↓-0.8 | |
| 5/4 17:30 | 104.9 | ↓-1.1 | |
| 5/4 17:40 | 103.5 | ↓-1.4 | |
| 5/4 17:50 | 102.0 | ↓-1.5 | |
| 5/4 18:00 | 100.2 | ↓-1.8 | |
| 5/4 18:10 | 98.3 | ↓-1.9 | |
| 5/4 18:20 | 96.1 | ↓-2.2 | |
| 5/4 18:30 | 93.9 | ↓-2.2 | |
| 5/4 18:40 | 91.4 | ↓-2.5 | |
| 5/4 18:50 | 88.9 | ↓-2.5 | |
| 5/4 19:00 | 86.3 | ↓-2.6 | |
| 5/4 19:10 | 83.7 | ↓-2.6 | |
| 5/4 19:20 | 81.0 | ↓-2.7 | |
| 5/4 19:30 | 78.3 | ↓-2.7 | |
| 5/4 19:40 | 75.6 | ↓-2.7 | |
| 5/4 19:50 | 72.9 | ↓-2.7 | |
| 5/4 20:00 | 70.3 | ↓-2.6 | |
| 5/4 20:10 | 67.8 | ↓-2.5 | |
| 5/4 20:20 | 65.4 | ↓-2.4 | |
| 5/4 20:30 | 63.2 | ↓-2.2 | |
| 5/4 20:40 | 61.1 | ↓-2.1 | |
| 5/4 20:50 | 59.1 | ↓-2.0 | |
| 5/4 21:00 | 57.4 | ↓-1.7 | |
| 5/4 21:10 | 55.8 | ↓-1.6 | |
| 5/4 21:20 | 54.5 | ↓-1.3 | |
| 5/4 21:30 | 53.3 | ↓-1.2 | |
| 5/4 21:40 | 52.5 | ↓-0.8 | |
| 5/4 21:50 | 51.8 | ↓-0.7 | |
| 5/4 22:00 | 51.4 | ↓-0.4 | |
| 5/4 22:10 | 51.3 | ↓-0.1 | 干潮 |
| 5/4 22:20 | 51.4 | ↑0.1 | |
| 5/4 22:30 | 51.7 | ↑0.3 | |
| 5/4 22:40 | 52.3 | ↑0.6 | |
| 5/4 22:50 | 53.2 | ↑0.9 | |
| 5/4 23:00 | 54.2 | ↑1.0 | |
| 5/4 23:10 | 55.5 | ↑1.3 | |
| 5/4 23:20 | 57.0 | ↑1.5 | |
| 5/4 23:30 | 58.7 | ↑1.7 | |
| 5/4 23:40 | 60.6 | ↑1.9 | |
| 5/4 23:50 | 62.6 | ↑2.0 |