| 満潮 | 干潮 | 満潮 | 干潮 |
|
4
(水) |
01:12 | 07:15 | 12:16 | 18:58 |
| 104cm | 64cm | 91cm | 28cm | |
|
||||
那珂湊（茨城）2039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 | 98.9 | ↑1.3 | |
| 5/4 00:10 | 100.1 | ↑1.2 | |
| 5/4 00:20 | 101.1 | ↑1.0 | |
| 5/4 00:30 | 102.0 | ↑0.9 | |
| 5/4 00:40 | 102.6 | ↑0.6 | |
| 5/4 00:50 | 103.1 | ↑0.5 | |
| 5/4 01:00 | 103.4 | ↑0.3 | |
| 5/4 01:10 | 103.5 | ↑0.1 | 満潮 |
| 5/4 01:20 | 103.4 | ↓-0.1 | |
| 5/4 01:30 | 103.1 | ↓-0.3 | |
| 5/4 01:40 | 102.7 | ↓-0.4 | |
| 5/4 01:50 | 102.2 | ↓-0.5 | |
| 5/4 02:00 | 101.5 | ↓-0.7 | |
| 5/4 02:10 | 100.6 | ↓-0.9 | |
| 5/4 02:20 | 99.6 | ↓-1.0 | |
| 5/4 02:30 | 98.5 | ↓-1.1 | |
| 5/4 02:40 | 97.3 | ↓-1.2 | |
| 5/4 02:50 | 96.0 | ↓-1.3 | |
| 5/4 03:00 | 94.6 | ↓-1.4 | |
| 5/4 03:10 | 93.1 | ↓-1.5 | |
| 5/4 03:20 | 91.5 | ↓-1.6 | |
| 5/4 03:30 | 89.9 | ↓-1.6 | |
| 5/4 03:40 | 88.2 | ↓-1.7 | |
| 5/4 03:50 | 86.5 | ↓-1.7 | |
| 5/4 04:00 | 84.8 | ↓-1.7 | |
| 5/4 04:10 | 83.1 | ↓-1.7 | |
| 5/4 04:20 | 81.4 | ↓-1.7 | |
| 5/4 04:30 | 79.7 | ↓-1.7 | |
| 5/4 04:40 | 78.0 | ↓-1.7 | |
| 5/4 04:50 | 76.4 | ↓-1.6 | |
| 5/4 05:00 | 74.8 | ↓-1.6 | |
| 5/4 05:10 | 73.3 | ↓-1.5 | |
| 5/4 05:20 | 71.9 | ↓-1.4 | |
| 5/4 05:30 | 70.5 | ↓-1.4 | |
| 5/4 05:40 | 69.3 | ↓-1.2 | |
| 5/4 05:50 | 68.1 | ↓-1.2 | |
| 5/4 06:00 | 67.0 | ↓-1.1 | |
| 5/4 06:10 | 66.1 | ↓-0.9 | |
| 5/4 06:20 | 65.3 | ↓-0.8 | |
| 5/4 06:30 | 64.6 | ↓-0.7 | |
| 5/4 06:40 | 64.1 | ↓-0.5 | |
| 5/4 06:50 | 63.7 | ↓-0.4 | |
| 5/4 07:00 | 63.4 | ↓-0.3 | |
| 5/4 07:10 | 63.3 | ↓-0.1 | 干潮 |
| 5/4 07:20 | 63.3 | 0 | |
| 5/4 07:30 | 63.5 | ↑0.2 | |
| 5/4 07:40 | 63.8 | ↑0.3 | |
| 5/4 07:50 | 64.2 | ↑0.4 | |
| 5/4 08:00 | 64.8 | ↑0.6 | |
| 5/4 08:10 | 65.5 | ↑0.7 | |
| 5/4 08:20 | 66.3 | ↑0.8 | |
| 5/4 08:30 | 67.2 | ↑0.9 | |
| 5/4 08:40 | 68.2 | ↑1.0 | |
| 5/4 08:50 | 69.4 | ↑1.2 | |
| 5/4 09:00 | 70.5 | ↑1.1 | |
| 5/4 09:10 | 71.8 | ↑1.3 | |
| 5/4 09:20 | 73.1 | ↑1.3 | |
| 5/4 09:30 | 74.5 | ↑1.4 | |
| 5/4 09:40 | 75.9 | ↑1.4 | |
| 5/4 09:50 | 77.3 | ↑1.4 | |
| 5/4 10:00 | 78.7 | ↑1.4 | |
| 5/4 10:10 | 80.0 | ↑1.3 | |
| 5/4 10:20 | 81.4 | ↑1.4 | |
| 5/4 10:30 | 82.7 | ↑1.3 | |
| 5/4 10:40 | 83.9 | ↑1.2 | |
| 5/4 10:50 | 85.1 | ↑1.2 | |
| 5/4 11:00 | 86.2 | ↑1.1 | |
| 5/4 11:10 | 87.1 | ↑0.9 | |
| 5/4 11:20 | 88.0 | ↑0.9 | |
| 5/4 11:30 | 88.7 | ↑0.7 | |
| 5/4 11:40 | 89.3 | ↑0.6 | |
| 5/4 11:50 | 89.8 | ↑0.5 | |
| 5/4 12:00 | 90.1 | ↑0.3 | |
| 5/4 12:10 | 90.3 | ↑0.2 | 満潮 |
| 5/4 12:20 | 90.3 | 0 | |
| 5/4 12:30 | 90.1 | ↓-0.2 | |
| 5/4 12:40 | 89.8 | ↓-0.3 | |
| 5/4 12:50 | 89.3 | ↓-0.5 | |
| 5/4 13:00 | 88.6 | ↓-0.7 | |
| 5/4 13:10 | 87.8 | ↓-0.8 | |
| 5/4 13:20 | 86.8 | ↓-1.0 | |
| 5/4 13:30 | 85.6 | ↓-1.2 | |
| 5/4 13:40 | 84.3 | ↓-1.3 | |
| 5/4 13:50 | 82.8 | ↓-1.5 | |
| 5/4 14:00 | 81.2 | ↓-1.6 | |
| 5/4 14:10 | 79.5 | ↓-1.7 | |
| 5/4 14:20 | 77.6 | ↓-1.9 | |
| 5/4 14:30 | 75.7 | ↓-1.9 | |
| 5/4 14:40 | 73.6 | ↓-2.1 | |
| 5/4 14:50 | 71.4 | ↓-2.2 | |
| 5/4 15:00 | 69.2 | ↓-2.2 | |
| 5/4 15:10 | 66.9 | ↓-2.3 | |
| 5/4 15:20 | 64.5 | ↓-2.4 | |
| 5/4 15:30 | 62.1 | ↓-2.4 | |
| 5/4 15:40 | 59.7 | ↓-2.4 | |
| 5/4 15:50 | 57.2 | ↓-2.5 | |
| 5/4 16:00 | 54.8 | ↓-2.4 | |
| 5/4 16:10 | 52.4 | ↓-2.4 | |
| 5/4 16:20 | 50.0 | ↓-2.4 | |
| 5/4 16:30 | 47.6 | ↓-2.4 | |
| 5/4 16:40 | 45.4 | ↓-2.2 | |
| 5/4 16:50 | 43.2 | ↓-2.2 | |
| 5/4 17:00 | 41.1 | ↓-2.1 | |
| 5/4 17:10 | 39.1 | ↓-2.0 | |
| 5/4 17:20 | 37.2 | ↓-1.9 | |
| 5/4 17:30 | 35.5 | ↓-1.7 | |
| 5/4 17:40 | 33.9 | ↓-1.6 | |
| 5/4 17:50 | 32.5 | ↓-1.4 | |
| 5/4 18:00 | 31.3 | ↓-1.2 | |
| 5/4 18:10 | 30.2 | ↓-1.1 | |
| 5/4 18:20 | 29.3 | ↓-0.9 | |
| 5/4 18:30 | 28.6 | ↓-0.7 | |
| 5/4 18:40 | 28.1 | ↓-0.5 | |
| 5/4 18:50 | 27.9 | ↓-0.2 | 干潮 |
| 5/4 19:00 | 27.8 | ↓-0.1 | |
| 5/4 19:10 | 28.0 | ↑0.2 | |
| 5/4 19:20 | 28.4 | ↑0.4 | |
| 5/4 19:30 | 29.0 | ↑0.6 | |
| 5/4 19:40 | 29.8 | ↑0.8 | |
| 5/4 19:50 | 30.9 | ↑1.1 | |
| 5/4 20:00 | 32.2 | ↑1.3 | |
| 5/4 20:10 | 33.6 | ↑1.4 | |
| 5/4 20:20 | 35.3 | ↑1.7 | |
| 5/4 20:30 | 37.2 | ↑1.9 | |
| 5/4 20:40 | 39.2 | ↑2.0 | |
| 5/4 20:50 | 41.5 | ↑2.3 | |
| 5/4 21:00 | 43.8 | ↑2.3 | |
| 5/4 21:10 | 46.4 | ↑2.6 | |
| 5/4 21:20 | 49.0 | ↑2.6 | |
| 5/4 21:30 | 51.8 | ↑2.8 | |
| 5/4 21:40 | 54.6 | ↑2.8 | |
| 5/4 21:50 | 57.6 | ↑3.0 | |
| 5/4 22:00 | 60.6 | ↑3.0 | |
| 5/4 22:10 | 63.6 | ↑3.0 | |
| 5/4 22:20 | 66.7 | ↑3.1 | 最大潮位差 |
| 5/4 22:30 | 69.8 | ↑3.1 | 最大潮位差 |
| 5/4 22:40 | 72.8 | ↑3.0 | |
| 5/4 22:50 | 75.9 | ↑3.1 | 最大潮位差 |
| 5/4 23:00 | 78.8 | ↑2.9 | |
| 5/4 23:10 | 81.7 | ↑2.9 | |
| 5/4 23:20 | 84.5 | ↑2.8 | |
| 5/4 23:30 | 87.2 | ↑2.7 | |
| 5/4 23:40 | 89.8 | ↑2.6 | |
| 5/4 23:50 | 92.2 | ↑2.4 |