| 満潮 | 干潮 | 満潮 | 干潮 |
|
09
(日) |
05:20 | 00:07 | 20:35 | 12:50 |
| 110cm | 80cm | 102cm | 5cm | |
|
||||
那珂湊（茨城）2038年05月09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 |
|---|---|---|---|
| 5/9 00:00 | 79.5 | ↓-0.1 | 干潮 |
| 5/9 00:10 | 79.4 | ↓-0.1 | |
| 5/9 00:20 | 79.6 | ↑0.2 | |
| 5/9 00:30 | 79.8 | ↑0.2 | |
| 5/9 00:40 | 80.3 | ↑0.5 | |
| 5/9 00:50 | 80.8 | ↑0.5 | |
| 5/9 01:00 | 81.5 | ↑0.7 | |
| 5/9 01:10 | 82.4 | ↑0.9 | |
| 5/9 01:20 | 83.3 | ↑0.9 | |
| 5/9 01:30 | 84.4 | ↑1.1 | |
| 5/9 01:40 | 85.5 | ↑1.1 | |
| 5/9 01:50 | 86.7 | ↑1.2 | |
| 5/9 02:00 | 88.0 | ↑1.3 | |
| 5/9 02:10 | 89.4 | ↑1.4 | |
| 5/9 02:20 | 90.8 | ↑1.4 | |
| 5/9 02:30 | 92.3 | ↑1.5 | |
| 5/9 02:40 | 93.7 | ↑1.4 | |
| 5/9 02:50 | 95.2 | ↑1.5 | |
| 5/9 03:00 | 96.6 | ↑1.4 | |
| 5/9 03:10 | 98.1 | ↑1.5 | |
| 5/9 03:20 | 99.5 | ↑1.4 | |
| 5/9 03:30 | 100.8 | ↑1.3 | |
| 5/9 03:40 | 102.1 | ↑1.3 | |
| 5/9 03:50 | 103.3 | ↑1.2 | |
| 5/9 04:00 | 104.4 | ↑1.1 | |
| 5/9 04:10 | 105.5 | ↑1.1 | |
| 5/9 04:20 | 106.4 | ↑0.9 | |
| 5/9 04:30 | 107.2 | ↑0.8 | |
| 5/9 04:40 | 107.9 | ↑0.7 | |
| 5/9 04:50 | 108.4 | ↑0.5 | |
| 5/9 05:00 | 108.8 | ↑0.4 | |
| 5/9 05:10 | 109.0 | ↑0.2 | 満潮 |
| 5/9 05:20 | 109.1 | ↑0.1 | 満潮 |
| 5/9 05:30 | 109.0 | ↓-0.1 | |
| 5/9 05:40 | 108.7 | ↓-0.3 | |
| 5/9 05:50 | 108.2 | ↓-0.5 | |
| 5/9 06:00 | 107.5 | ↓-0.7 | |
| 5/9 06:10 | 106.7 | ↓-0.8 | |
| 5/9 06:20 | 105.6 | ↓-1.1 | |
| 5/9 06:30 | 104.3 | ↓-1.3 | |
| 5/9 06:40 | 102.8 | ↓-1.5 | |
| 5/9 06:50 | 101.1 | ↓-1.7 | |
| 5/9 07:00 | 99.2 | ↓-1.9 | |
| 5/9 07:10 | 97.1 | ↓-2.1 | |
| 5/9 07:20 | 94.8 | ↓-2.3 | |
| 5/9 07:30 | 92.3 | ↓-2.5 | |
| 5/9 07:40 | 89.6 | ↓-2.7 | |
| 5/9 07:50 | 86.7 | ↓-2.9 | |
| 5/9 08:00 | 83.7 | ↓-3.0 | |
| 5/9 08:10 | 80.5 | ↓-3.2 | |
| 5/9 08:20 | 77.2 | ↓-3.3 | |
| 5/9 08:30 | 73.7 | ↓-3.5 | |
| 5/9 08:40 | 70.2 | ↓-3.5 | |
| 5/9 08:50 | 66.5 | ↓-3.7 | |
| 5/9 09:00 | 62.8 | ↓-3.7 | |
| 5/9 09:10 | 59.0 | ↓-3.8 | 最大潮位差 |
| 5/9 09:20 | 55.2 | ↓-3.8 | 最大潮位差 |
| 5/9 09:30 | 51.4 | ↓-3.8 | 最大潮位差 |
| 5/9 09:40 | 47.6 | ↓-3.8 | 最大潮位差 |
| 5/9 09:50 | 43.8 | ↓-3.8 | 最大潮位差 |
| 5/9 10:00 | 40.1 | ↓-3.7 | |
| 5/9 10:10 | 36.5 | ↓-3.6 | |
| 5/9 10:20 | 33.0 | ↓-3.5 | |
| 5/9 10:30 | 29.6 | ↓-3.4 | |
| 5/9 10:40 | 26.4 | ↓-3.2 | |
| 5/9 10:50 | 23.3 | ↓-3.1 | |
| 5/9 11:00 | 20.4 | ↓-2.9 | |
| 5/9 11:10 | 17.7 | ↓-2.7 | |
| 5/9 11:20 | 15.3 | ↓-2.4 | |
| 5/9 11:30 | 13.0 | ↓-2.3 | |
| 5/9 11:40 | 11.0 | ↓-2.0 | |
| 5/9 11:50 | 9.3 | ↓-1.7 | |
| 5/9 12:00 | 7.8 | ↓-1.5 | |
| 5/9 12:10 | 6.6 | ↓-1.2 | |
| 5/9 12:20 | 5.7 | ↓-0.9 | |
| 5/9 12:30 | 5.0 | ↓-0.7 | |
| 5/9 12:40 | 4.6 | ↓-0.4 | 干潮 |
| 5/9 12:50 | 4.5 | ↓-0.1 | 干潮 |
| 5/9 13:00 | 4.7 | ↑0.2 | |
| 5/9 13:10 | 5.1 | ↑0.4 | |
| 5/9 13:20 | 5.8 | ↑0.7 | |
| 5/9 13:30 | 6.7 | ↑0.9 | |
| 5/9 13:40 | 7.9 | ↑1.2 | |
| 5/9 13:50 | 9.3 | ↑1.4 | |
| 5/9 14:00 | 10.9 | ↑1.6 | |
| 5/9 14:10 | 12.7 | ↑1.8 | |
| 5/9 14:20 | 14.8 | ↑2.1 | |
| 5/9 14:30 | 17.0 | ↑2.2 | |
| 5/9 14:40 | 19.4 | ↑2.4 | |
| 5/9 14:50 | 21.9 | ↑2.5 | |
| 5/9 15:00 | 24.6 | ↑2.7 | |
| 5/9 15:10 | 27.4 | ↑2.8 | |
| 5/9 15:20 | 30.3 | ↑2.9 | |
| 5/9 15:30 | 33.3 | ↑3.0 | |
| 5/9 15:40 | 36.4 | ↑3.1 | |
| 5/9 15:50 | 39.6 | ↑3.2 | |
| 5/9 16:00 | 42.8 | ↑3.2 | |
| 5/9 16:10 | 46.0 | ↑3.2 | |
| 5/9 16:20 | 49.3 | ↑3.3 | |
| 5/9 16:30 | 52.6 | ↑3.3 | |
| 5/9 16:40 | 55.9 | ↑3.3 | |
| 5/9 16:50 | 59.1 | ↑3.2 | |
| 5/9 17:00 | 62.3 | ↑3.2 | |
| 5/9 17:10 | 65.5 | ↑3.2 | |
| 5/9 17:20 | 68.6 | ↑3.1 | |
| 5/9 17:30 | 71.6 | ↑3.0 | |
| 5/9 17:40 | 74.5 | ↑2.9 | |
| 5/9 17:50 | 77.4 | ↑2.9 | |
| 5/9 18:00 | 80.1 | ↑2.7 | |
| 5/9 18:10 | 82.7 | ↑2.6 | |
| 5/9 18:20 | 85.1 | ↑2.4 | |
| 5/9 18:30 | 87.4 | ↑2.3 | |
| 5/9 18:40 | 89.6 | ↑2.2 | |
| 5/9 18:50 | 91.6 | ↑2.0 | |
| 5/9 19:00 | 93.4 | ↑1.8 | |
| 5/9 19:10 | 95.0 | ↑1.6 | |
| 5/9 19:20 | 96.5 | ↑1.5 | |
| 5/9 19:30 | 97.8 | ↑1.3 | |
| 5/9 19:40 | 98.8 | ↑1.0 | |
| 5/9 19:50 | 99.7 | ↑0.9 | |
| 5/9 20:00 | 100.4 | ↑0.7 | |
| 5/9 20:10 | 100.9 | ↑0.5 | |
| 5/9 20:20 | 101.3 | ↑0.4 | |
| 5/9 20:30 | 101.4 | ↑0.1 | 満潮 |
| 5/9 20:40 | 101.4 | 0 | |
| 5/9 20:50 | 101.2 | ↓-0.2 | |
| 5/9 21:00 | 100.9 | ↓-0.3 | |
| 5/9 21:10 | 100.4 | ↓-0.5 | |
| 5/9 21:20 | 99.8 | ↓-0.6 | |
| 5/9 21:30 | 99.1 | ↓-0.7 | |
| 5/9 21:40 | 98.3 | ↓-0.8 | |
| 5/9 21:50 | 97.4 | ↓-0.9 | |
| 5/9 22:00 | 96.4 | ↓-1.0 | |
| 5/9 22:10 | 95.4 | ↓-1.0 | |
| 5/9 22:20 | 94.3 | ↓-1.1 | |
| 5/9 22:30 | 93.3 | ↓-1.0 | |
| 5/9 22:40 | 92.2 | ↓-1.1 | |
| 5/9 22:50 | 91.1 | ↓-1.1 | |
| 5/9 23:00 | 90.1 | ↓-1.0 | |
| 5/9 23:10 | 89.2 | ↓-0.9 | |
| 5/9 23:20 | 88.2 | ↓-1.0 | |
| 5/9 23:30 | 87.4 | ↓-0.8 | |
| 5/9 23:40 | 86.7 | ↓-0.7 | |
| 5/9 23:50 | 86.0 | ↓-0.7 |