| 満潮 | 干潮 | 満潮 | 干潮 |
|
20
(日) |
06:55 | 01:53 | 22:03 | 14:25 |
| 102cm | 84cm | 103cm | 22cm | |
|
||||
那珂湊（茨城）2029年05月20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 |
|---|---|---|---|
| 5/20 00:00 | 89.6 | ↓-1.1 | |
| 5/20 00:10 | 88.7 | ↓-0.9 | |
| 5/20 00:20 | 87.7 | ↓-1.0 | |
| 5/20 00:30 | 86.9 | ↓-0.8 | |
| 5/20 00:40 | 86.1 | ↓-0.8 | |
| 5/20 00:50 | 85.5 | ↓-0.6 | |
| 5/20 01:00 | 84.9 | ↓-0.6 | |
| 5/20 01:10 | 84.4 | ↓-0.5 | |
| 5/20 01:20 | 84.0 | ↓-0.4 | |
| 5/20 01:30 | 83.7 | ↓-0.3 | |
| 5/20 01:40 | 83.5 | ↓-0.2 | |
| 5/20 01:50 | 83.5 | 0 | 干潮 |
| 5/20 02:00 | 83.5 | 0 | |
| 5/20 02:10 | 83.6 | ↑0.1 | |
| 5/20 02:20 | 83.8 | ↑0.2 | |
| 5/20 02:30 | 84.2 | ↑0.4 | |
| 5/20 02:40 | 84.6 | ↑0.4 | |
| 5/20 02:50 | 85.0 | ↑0.4 | |
| 5/20 03:00 | 85.6 | ↑0.6 | |
| 5/20 03:10 | 86.2 | ↑0.6 | |
| 5/20 03:20 | 86.9 | ↑0.7 | |
| 5/20 03:30 | 87.6 | ↑0.7 | |
| 5/20 03:40 | 88.4 | ↑0.8 | |
| 5/20 03:50 | 89.2 | ↑0.8 | |
| 5/20 04:00 | 90.1 | ↑0.9 | |
| 5/20 04:10 | 91.0 | ↑0.9 | |
| 5/20 04:20 | 91.9 | ↑0.9 | |
| 5/20 04:30 | 92.8 | ↑0.9 | |
| 5/20 04:40 | 93.7 | ↑0.9 | |
| 5/20 04:50 | 94.6 | ↑0.9 | |
| 5/20 05:00 | 95.4 | ↑0.8 | |
| 5/20 05:10 | 96.3 | ↑0.9 | |
| 5/20 05:20 | 97.1 | ↑0.8 | |
| 5/20 05:30 | 97.9 | ↑0.8 | |
| 5/20 05:40 | 98.6 | ↑0.7 | |
| 5/20 05:50 | 99.3 | ↑0.7 | |
| 5/20 06:00 | 99.8 | ↑0.5 | |
| 5/20 06:10 | 100.3 | ↑0.5 | |
| 5/20 06:20 | 100.8 | ↑0.5 | |
| 5/20 06:30 | 101.1 | ↑0.3 | |
| 5/20 06:40 | 101.3 | ↑0.2 | |
| 5/20 06:50 | 101.4 | ↑0.1 | 満潮 |
| 5/20 07:00 | 101.4 | 0 | |
| 5/20 07:10 | 101.2 | ↓-0.2 | |
| 5/20 07:20 | 101.0 | ↓-0.2 | |
| 5/20 07:30 | 100.5 | ↓-0.5 | |
| 5/20 07:40 | 100.0 | ↓-0.5 | |
| 5/20 07:50 | 99.2 | ↓-0.8 | |
| 5/20 08:00 | 98.3 | ↓-0.9 | |
| 5/20 08:10 | 97.3 | ↓-1.0 | |
| 5/20 08:20 | 96.1 | ↓-1.2 | |
| 5/20 08:30 | 94.7 | ↓-1.4 | |
| 5/20 08:40 | 93.1 | ↓-1.6 | |
| 5/20 08:50 | 91.4 | ↓-1.7 | |
| 5/20 09:00 | 89.6 | ↓-1.8 | |
| 5/20 09:10 | 87.5 | ↓-2.1 | |
| 5/20 09:20 | 85.4 | ↓-2.1 | |
| 5/20 09:30 | 83.1 | ↓-2.3 | |
| 5/20 09:40 | 80.7 | ↓-2.4 | |
| 5/20 09:50 | 78.1 | ↓-2.6 | |
| 5/20 10:00 | 75.5 | ↓-2.6 | |
| 5/20 10:10 | 72.7 | ↓-2.8 | |
| 5/20 10:20 | 69.9 | ↓-2.8 | |
| 5/20 10:30 | 67.1 | ↓-2.8 | |
| 5/20 10:40 | 64.1 | ↓-3.0 | 最大潮位差 |
| 5/20 10:50 | 61.2 | ↓-2.9 | |
| 5/20 11:00 | 58.3 | ↓-2.9 | |
| 5/20 11:10 | 55.3 | ↓-3.0 | 最大潮位差 |
| 5/20 11:20 | 52.4 | ↓-2.9 | |
| 5/20 11:30 | 49.5 | ↓-2.9 | |
| 5/20 11:40 | 46.7 | ↓-2.8 | |
| 5/20 11:50 | 44.0 | ↓-2.7 | |
| 5/20 12:00 | 41.3 | ↓-2.7 | |
| 5/20 12:10 | 38.8 | ↓-2.5 | |
| 5/20 12:20 | 36.4 | ↓-2.4 | |
| 5/20 12:30 | 34.2 | ↓-2.2 | |
| 5/20 12:40 | 32.0 | ↓-2.2 | |
| 5/20 12:50 | 30.1 | ↓-1.9 | |
| 5/20 13:00 | 28.3 | ↓-1.8 | |
| 5/20 13:10 | 26.7 | ↓-1.6 | |
| 5/20 13:20 | 25.3 | ↓-1.4 | |
| 5/20 13:30 | 24.1 | ↓-1.2 | |
| 5/20 13:40 | 23.1 | ↓-1.0 | |
| 5/20 13:50 | 22.3 | ↓-0.8 | |
| 5/20 14:00 | 21.7 | ↓-0.6 | |
| 5/20 14:10 | 21.3 | ↓-0.4 | |
| 5/20 14:20 | 21.1 | ↓-0.2 | 干潮 |
| 5/20 14:30 | 21.2 | ↑0.1 | |
| 5/20 14:40 | 21.4 | ↑0.2 | |
| 5/20 14:50 | 21.8 | ↑0.4 | |
| 5/20 15:00 | 22.4 | ↑0.6 | |
| 5/20 15:10 | 23.2 | ↑0.8 | |
| 5/20 15:20 | 24.2 | ↑1.0 | |
| 5/20 15:30 | 25.4 | ↑1.2 | |
| 5/20 15:40 | 26.7 | ↑1.3 | |
| 5/20 15:50 | 28.2 | ↑1.5 | |
| 5/20 16:00 | 29.8 | ↑1.6 | |
| 5/20 16:10 | 31.6 | ↑1.8 | |
| 5/20 16:20 | 33.6 | ↑2.0 | |
| 5/20 16:30 | 35.6 | ↑2.0 | |
| 5/20 16:40 | 37.8 | ↑2.2 | |
| 5/20 16:50 | 40.1 | ↑2.3 | |
| 5/20 17:00 | 42.5 | ↑2.4 | |
| 5/20 17:10 | 45.0 | ↑2.5 | |
| 5/20 17:20 | 47.6 | ↑2.6 | |
| 5/20 17:30 | 50.2 | ↑2.6 | |
| 5/20 17:40 | 52.9 | ↑2.7 | |
| 5/20 17:50 | 55.6 | ↑2.7 | |
| 5/20 18:00 | 58.4 | ↑2.8 | |
| 5/20 18:10 | 61.2 | ↑2.8 | |
| 5/20 18:20 | 64.0 | ↑2.8 | |
| 5/20 18:30 | 66.7 | ↑2.7 | |
| 5/20 18:40 | 69.5 | ↑2.8 | |
| 5/20 18:50 | 72.2 | ↑2.7 | |
| 5/20 19:00 | 74.9 | ↑2.7 | |
| 5/20 19:10 | 77.5 | ↑2.6 | |
| 5/20 19:20 | 80.0 | ↑2.5 | |
| 5/20 19:30 | 82.5 | ↑2.5 | |
| 5/20 19:40 | 84.8 | ↑2.3 | |
| 5/20 19:50 | 87.1 | ↑2.3 | |
| 5/20 20:00 | 89.2 | ↑2.1 | |
| 5/20 20:10 | 91.2 | ↑2.0 | |
| 5/20 20:20 | 93.0 | ↑1.8 | |
| 5/20 20:30 | 94.7 | ↑1.7 | |
| 5/20 20:40 | 96.2 | ↑1.5 | |
| 5/20 20:50 | 97.5 | ↑1.3 | |
| 5/20 21:00 | 98.7 | ↑1.2 | |
| 5/20 21:10 | 99.7 | ↑1.0 | |
| 5/20 21:20 | 100.6 | ↑0.9 | |
| 5/20 21:30 | 101.2 | ↑0.6 | |
| 5/20 21:40 | 101.7 | ↑0.5 | |
| 5/20 21:50 | 102.0 | ↑0.3 | |
| 5/20 22:00 | 102.1 | ↑0.1 | 満潮 |
| 5/20 22:10 | 102.0 | ↓-0.1 | |
| 5/20 22:20 | 101.8 | ↓-0.2 | |
| 5/20 22:30 | 101.5 | ↓-0.3 | |
| 5/20 22:40 | 101.0 | ↓-0.5 | |
| 5/20 22:50 | 100.3 | ↓-0.7 | |
| 5/20 23:00 | 99.6 | ↓-0.7 | |
| 5/20 23:10 | 98.7 | ↓-0.9 | |
| 5/20 23:20 | 97.8 | ↓-0.9 | |
| 5/20 23:30 | 96.7 | ↓-1.1 | |
| 5/20 23:40 | 95.6 | ↓-1.1 | |
| 5/20 23:50 | 94.5 | ↓-1.1 |