| 満潮 | 干潮 | 満潮 | 干潮 |
|
20
(木) |
08:27 | 04:35 | 23:56 | 16:13 |
| 92cm | 86cm | 105cm | 28cm | |
|
||||
那珂湊（茨城）2021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 | 101.1 | ↓-0.5 | |
| 5/20 00:10 | 100.5 | ↓-0.6 | |
| 5/20 00:20 | 99.9 | ↓-0.6 | |
| 5/20 00:30 | 99.2 | ↓-0.7 | |
| 5/20 00:40 | 98.4 | ↓-0.8 | |
| 5/20 00:50 | 97.7 | ↓-0.7 | |
| 5/20 01:00 | 96.9 | ↓-0.8 | |
| 5/20 01:10 | 96.0 | ↓-0.9 | |
| 5/20 01:20 | 95.2 | ↓-0.8 | |
| 5/20 01:30 | 94.4 | ↓-0.8 | |
| 5/20 01:40 | 93.6 | ↓-0.8 | |
| 5/20 01:50 | 92.8 | ↓-0.8 | |
| 5/20 02:00 | 92.0 | ↓-0.8 | |
| 5/20 02:10 | 91.3 | ↓-0.7 | |
| 5/20 02:20 | 90.6 | ↓-0.7 | |
| 5/20 02:30 | 89.9 | ↓-0.7 | |
| 5/20 02:40 | 89.3 | ↓-0.6 | |
| 5/20 02:50 | 88.7 | ↓-0.6 | |
| 5/20 03:00 | 88.2 | ↓-0.5 | |
| 5/20 03:10 | 87.7 | ↓-0.5 | |
| 5/20 03:20 | 87.3 | ↓-0.4 | |
| 5/20 03:30 | 86.9 | ↓-0.4 | |
| 5/20 03:40 | 86.6 | ↓-0.3 | |
| 5/20 03:50 | 86.3 | ↓-0.3 | |
| 5/20 04:00 | 86.1 | ↓-0.2 | |
| 5/20 04:10 | 85.9 | ↓-0.2 | |
| 5/20 04:20 | 85.8 | ↓-0.1 | |
| 5/20 04:30 | 85.8 | 0 | 干潮 |
| 5/20 04:40 | 85.8 | 0 | |
| 5/20 04:50 | 85.9 | ↑0.1 | |
| 5/20 05:00 | 86.0 | ↑0.1 | |
| 5/20 05:10 | 86.1 | ↑0.1 | |
| 5/20 05:20 | 86.3 | ↑0.2 | |
| 5/20 05:30 | 86.5 | ↑0.2 | |
| 5/20 05:40 | 86.8 | ↑0.3 | |
| 5/20 05:50 | 87.1 | ↑0.3 | |
| 5/20 06:00 | 87.4 | ↑0.3 | |
| 5/20 06:10 | 87.8 | ↑0.4 | |
| 5/20 06:20 | 88.2 | ↑0.4 | |
| 5/20 06:30 | 88.6 | ↑0.4 | |
| 5/20 06:40 | 89.0 | ↑0.4 | |
| 5/20 06:50 | 89.4 | ↑0.4 | |
| 5/20 07:00 | 89.8 | ↑0.4 | |
| 5/20 07:10 | 90.1 | ↑0.3 | |
| 5/20 07:20 | 90.5 | ↑0.4 | |
| 5/20 07:30 | 90.9 | ↑0.4 | |
| 5/20 07:40 | 91.2 | ↑0.3 | |
| 5/20 07:50 | 91.4 | ↑0.2 | |
| 5/20 08:00 | 91.6 | ↑0.2 | |
| 5/20 08:10 | 91.8 | ↑0.2 | |
| 5/20 08:20 | 91.9 | ↑0.1 | 満潮 |
| 5/20 08:30 | 91.9 | 0 | |
| 5/20 08:40 | 91.8 | ↓-0.1 | |
| 5/20 08:50 | 91.6 | ↓-0.2 | |
| 5/20 09:00 | 91.4 | ↓-0.2 | |
| 5/20 09:10 | 91.0 | ↓-0.4 | |
| 5/20 09:20 | 90.5 | ↓-0.5 | |
| 5/20 09:30 | 89.9 | ↓-0.6 | |
| 5/20 09:40 | 89.2 | ↓-0.7 | |
| 5/20 09:50 | 88.3 | ↓-0.9 | |
| 5/20 10:00 | 87.3 | ↓-1.0 | |
| 5/20 10:10 | 86.2 | ↓-1.1 | |
| 5/20 10:20 | 85.0 | ↓-1.2 | |
| 5/20 10:30 | 83.6 | ↓-1.4 | |
| 5/20 10:40 | 82.2 | ↓-1.4 | |
| 5/20 10:50 | 80.6 | ↓-1.6 | |
| 5/20 11:00 | 78.9 | ↓-1.7 | |
| 5/20 11:10 | 77.1 | ↓-1.8 | |
| 5/20 11:20 | 75.2 | ↓-1.9 | |
| 5/20 11:30 | 73.2 | ↓-2.0 | |
| 5/20 11:40 | 71.1 | ↓-2.1 | |
| 5/20 11:50 | 69.0 | ↓-2.1 | |
| 5/20 12:00 | 66.8 | ↓-2.2 | |
| 5/20 12:10 | 64.6 | ↓-2.2 | |
| 5/20 12:20 | 62.3 | ↓-2.3 | |
| 5/20 12:30 | 60.1 | ↓-2.2 | |
| 5/20 12:40 | 57.8 | ↓-2.3 | |
| 5/20 12:50 | 55.5 | ↓-2.3 | |
| 5/20 13:00 | 53.3 | ↓-2.2 | |
| 5/20 13:10 | 51.0 | ↓-2.3 | |
| 5/20 13:20 | 48.8 | ↓-2.2 | |
| 5/20 13:30 | 46.7 | ↓-2.1 | |
| 5/20 13:40 | 44.7 | ↓-2.0 | |
| 5/20 13:50 | 42.7 | ↓-2.0 | |
| 5/20 14:00 | 40.8 | ↓-1.9 | |
| 5/20 14:10 | 39.0 | ↓-1.8 | |
| 5/20 14:20 | 37.3 | ↓-1.7 | |
| 5/20 14:30 | 35.7 | ↓-1.6 | |
| 5/20 14:40 | 34.3 | ↓-1.4 | |
| 5/20 14:50 | 33.0 | ↓-1.3 | |
| 5/20 15:00 | 31.8 | ↓-1.2 | |
| 5/20 15:10 | 30.8 | ↓-1.0 | |
| 5/20 15:20 | 29.9 | ↓-0.9 | |
| 5/20 15:30 | 29.1 | ↓-0.8 | |
| 5/20 15:40 | 28.6 | ↓-0.5 | |
| 5/20 15:50 | 28.1 | ↓-0.5 | |
| 5/20 16:00 | 27.9 | ↓-0.2 | |
| 5/20 16:10 | 27.8 | ↓-0.1 | 干潮 |
| 5/20 16:20 | 27.8 | 0 | |
| 5/20 16:30 | 28.0 | ↑0.2 | |
| 5/20 16:40 | 28.4 | ↑0.4 | |
| 5/20 16:50 | 29.0 | ↑0.6 | |
| 5/20 17:00 | 29.7 | ↑0.7 | |
| 5/20 17:10 | 30.5 | ↑0.8 | |
| 5/20 17:20 | 31.5 | ↑1.0 | |
| 5/20 17:30 | 32.7 | ↑1.2 | |
| 5/20 17:40 | 34.0 | ↑1.3 | |
| 5/20 17:50 | 35.5 | ↑1.5 | |
| 5/20 18:00 | 37.1 | ↑1.6 | |
| 5/20 18:10 | 38.9 | ↑1.8 | |
| 5/20 18:20 | 40.7 | ↑1.8 | |
| 5/20 18:30 | 42.7 | ↑2.0 | |
| 5/20 18:40 | 44.9 | ↑2.2 | |
| 5/20 18:50 | 47.1 | ↑2.2 | |
| 5/20 19:00 | 49.4 | ↑2.3 | |
| 5/20 19:10 | 51.8 | ↑2.4 | |
| 5/20 19:20 | 54.3 | ↑2.5 | |
| 5/20 19:30 | 56.8 | ↑2.5 | |
| 5/20 19:40 | 59.4 | ↑2.6 | |
| 5/20 19:50 | 62.0 | ↑2.6 | |
| 5/20 20:00 | 64.7 | ↑2.7 | 最大潮位差 |
| 5/20 20:10 | 67.4 | ↑2.7 | 最大潮位差 |
| 5/20 20:20 | 70.0 | ↑2.6 | |
| 5/20 20:30 | 72.7 | ↑2.7 | 最大潮位差 |
| 5/20 20:40 | 75.3 | ↑2.6 | |
| 5/20 20:50 | 77.9 | ↑2.6 | |
| 5/20 21:00 | 80.4 | ↑2.5 | |
| 5/20 21:10 | 82.9 | ↑2.5 | |
| 5/20 21:20 | 85.2 | ↑2.3 | |
| 5/20 21:30 | 87.5 | ↑2.3 | |
| 5/20 21:40 | 89.7 | ↑2.2 | |
| 5/20 21:50 | 91.7 | ↑2.0 | |
| 5/20 22:00 | 93.6 | ↑1.9 | |
| 5/20 22:10 | 95.4 | ↑1.8 | |
| 5/20 22:20 | 97.0 | ↑1.6 | |
| 5/20 22:30 | 98.5 | ↑1.5 | |
| 5/20 22:40 | 99.8 | ↑1.3 | |
| 5/20 22:50 | 101.0 | ↑1.2 | |
| 5/20 23:00 | 101.9 | ↑0.9 | |
| 5/20 23:10 | 102.8 | ↑0.9 | |
| 5/20 23:20 | 103.4 | ↑0.6 | |
| 5/20 23:30 | 103.9 | ↑0.5 | |
| 5/20 23:40 | 104.2 | ↑0.3 | |
| 5/20 23:50 | 104.4 | ↑0.2 | 満潮 |