| 満潮 | 干潮 | 満潮 | 干潮 |
|
21
(金) |
00:22 | 07:06 | 12:11 | 18:15 |
| 108cm | 58cm | 84cm | 46cm | |
|
||||
那珂湊（茨城）2055年05月21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 |
|---|---|---|---|
| 5/21 00:00 | 107.0 | ↑0.5 | |
| 5/21 00:10 | 107.2 | ↑0.2 | |
| 5/21 00:20 | 107.3 | ↑0.1 | 満潮 |
| 5/21 00:30 | 107.3 | 0 | |
| 5/21 00:40 | 107.0 | ↓-0.3 | |
| 5/21 00:50 | 106.6 | ↓-0.4 | |
| 5/21 01:00 | 106.1 | ↓-0.5 | |
| 5/21 01:10 | 105.4 | ↓-0.7 | |
| 5/21 01:20 | 104.5 | ↓-0.9 | |
| 5/21 01:30 | 103.5 | ↓-1.0 | |
| 5/21 01:40 | 102.4 | ↓-1.1 | |
| 5/21 01:50 | 101.1 | ↓-1.3 | |
| 5/21 02:00 | 99.8 | ↓-1.3 | |
| 5/21 02:10 | 98.3 | ↓-1.5 | |
| 5/21 02:20 | 96.8 | ↓-1.5 | |
| 5/21 02:30 | 95.1 | ↓-1.7 | |
| 5/21 02:40 | 93.4 | ↓-1.7 | |
| 5/21 02:50 | 91.7 | ↓-1.7 | |
| 5/21 03:00 | 89.9 | ↓-1.8 | |
| 5/21 03:10 | 88.0 | ↓-1.9 | |
| 5/21 03:20 | 86.1 | ↓-1.9 | |
| 5/21 03:30 | 84.2 | ↓-1.9 | |
| 5/21 03:40 | 82.3 | ↓-1.9 | |
| 5/21 03:50 | 80.4 | ↓-1.9 | |
| 5/21 04:00 | 78.5 | ↓-1.9 | |
| 5/21 04:10 | 76.7 | ↓-1.8 | |
| 5/21 04:20 | 74.8 | ↓-1.9 | |
| 5/21 04:30 | 73.1 | ↓-1.7 | |
| 5/21 04:40 | 71.4 | ↓-1.7 | |
| 5/21 04:50 | 69.7 | ↓-1.7 | |
| 5/21 05:00 | 68.1 | ↓-1.6 | |
| 5/21 05:10 | 66.6 | ↓-1.5 | |
| 5/21 05:20 | 65.2 | ↓-1.4 | |
| 5/21 05:30 | 63.9 | ↓-1.3 | |
| 5/21 05:40 | 62.7 | ↓-1.2 | |
| 5/21 05:50 | 61.7 | ↓-1.0 | |
| 5/21 06:00 | 60.7 | ↓-1.0 | |
| 5/21 06:10 | 59.9 | ↓-0.8 | |
| 5/21 06:20 | 59.2 | ↓-0.7 | |
| 5/21 06:30 | 58.6 | ↓-0.6 | |
| 5/21 06:40 | 58.2 | ↓-0.4 | |
| 5/21 06:50 | 57.9 | ↓-0.3 | |
| 5/21 07:00 | 57.8 | ↓-0.1 | 干潮 |
| 5/21 07:10 | 57.8 | 0 | |
| 5/21 07:20 | 57.9 | ↑0.1 | |
| 5/21 07:30 | 58.2 | ↑0.3 | |
| 5/21 07:40 | 58.6 | ↑0.4 | |
| 5/21 07:50 | 59.2 | ↑0.6 | |
| 5/21 08:00 | 59.8 | ↑0.6 | |
| 5/21 08:10 | 60.6 | ↑0.8 | |
| 5/21 08:20 | 61.5 | ↑0.9 | |
| 5/21 08:30 | 62.5 | ↑1.0 | |
| 5/21 08:40 | 63.5 | ↑1.0 | |
| 5/21 08:50 | 64.7 | ↑1.2 | |
| 5/21 09:00 | 65.9 | ↑1.2 | |
| 5/21 09:10 | 67.1 | ↑1.2 | |
| 5/21 09:20 | 68.4 | ↑1.3 | |
| 5/21 09:30 | 69.7 | ↑1.3 | |
| 5/21 09:40 | 71.0 | ↑1.3 | |
| 5/21 09:50 | 72.3 | ↑1.3 | |
| 5/21 10:00 | 73.6 | ↑1.3 | |
| 5/21 10:10 | 74.8 | ↑1.2 | |
| 5/21 10:20 | 76.1 | ↑1.3 | |
| 5/21 10:30 | 77.2 | ↑1.1 | |
| 5/21 10:40 | 78.3 | ↑1.1 | |
| 5/21 10:50 | 79.3 | ↑1.0 | |
| 5/21 11:00 | 80.2 | ↑0.9 | |
| 5/21 11:10 | 81.0 | ↑0.8 | |
| 5/21 11:20 | 81.7 | ↑0.7 | |
| 5/21 11:30 | 82.3 | ↑0.6 | |
| 5/21 11:40 | 82.8 | ↑0.5 | |
| 5/21 11:50 | 83.1 | ↑0.3 | |
| 5/21 12:00 | 83.3 | ↑0.2 | |
| 5/21 12:10 | 83.4 | ↑0.1 | 満潮 |
| 5/21 12:20 | 83.3 | ↓-0.1 | |
| 5/21 12:30 | 83.1 | ↓-0.2 | |
| 5/21 12:40 | 82.8 | ↓-0.3 | |
| 5/21 12:50 | 82.3 | ↓-0.5 | |
| 5/21 13:00 | 81.7 | ↓-0.6 | |
| 5/21 13:10 | 81.0 | ↓-0.7 | |
| 5/21 13:20 | 80.2 | ↓-0.8 | |
| 5/21 13:30 | 79.2 | ↓-1.0 | |
| 5/21 13:40 | 78.2 | ↓-1.0 | |
| 5/21 13:50 | 77.0 | ↓-1.2 | |
| 5/21 14:00 | 75.8 | ↓-1.2 | |
| 5/21 14:10 | 74.5 | ↓-1.3 | |
| 5/21 14:20 | 73.1 | ↓-1.4 | |
| 5/21 14:30 | 71.6 | ↓-1.5 | |
| 5/21 14:40 | 70.1 | ↓-1.5 | |
| 5/21 14:50 | 68.5 | ↓-1.6 | |
| 5/21 15:00 | 67.0 | ↓-1.5 | |
| 5/21 15:10 | 65.3 | ↓-1.7 | |
| 5/21 15:20 | 63.7 | ↓-1.6 | |
| 5/21 15:30 | 62.1 | ↓-1.6 | |
| 5/21 15:40 | 60.5 | ↓-1.6 | |
| 5/21 15:50 | 58.9 | ↓-1.6 | |
| 5/21 16:00 | 57.4 | ↓-1.5 | |
| 5/21 16:10 | 55.9 | ↓-1.5 | |
| 5/21 16:20 | 54.5 | ↓-1.4 | |
| 5/21 16:30 | 53.1 | ↓-1.4 | |
| 5/21 16:40 | 51.8 | ↓-1.3 | |
| 5/21 16:50 | 50.6 | ↓-1.2 | |
| 5/21 17:00 | 49.5 | ↓-1.1 | |
| 5/21 17:10 | 48.5 | ↓-1.0 | |
| 5/21 17:20 | 47.7 | ↓-0.8 | |
| 5/21 17:30 | 46.9 | ↓-0.8 | |
| 5/21 17:40 | 46.3 | ↓-0.6 | |
| 5/21 17:50 | 45.9 | ↓-0.4 | |
| 5/21 18:00 | 45.6 | ↓-0.3 | |
| 5/21 18:10 | 45.4 | ↓-0.2 | 干潮 |
| 5/21 18:20 | 45.4 | 0 | |
| 5/21 18:30 | 45.6 | ↑0.2 | |
| 5/21 18:40 | 46.0 | ↑0.4 | |
| 5/21 18:50 | 46.5 | ↑0.5 | |
| 5/21 19:00 | 47.2 | ↑0.7 | |
| 5/21 19:10 | 48.0 | ↑0.8 | |
| 5/21 19:20 | 49.1 | ↑1.1 | |
| 5/21 19:30 | 50.3 | ↑1.2 | |
| 5/21 19:40 | 51.7 | ↑1.4 | |
| 5/21 19:50 | 53.2 | ↑1.5 | |
| 5/21 20:00 | 54.9 | ↑1.7 | |
| 5/21 20:10 | 56.7 | ↑1.8 | |
| 5/21 20:20 | 58.7 | ↑2.0 | |
| 5/21 20:30 | 60.8 | ↑2.1 | |
| 5/21 20:40 | 63.0 | ↑2.2 | |
| 5/21 20:50 | 65.3 | ↑2.3 | |
| 5/21 21:00 | 67.6 | ↑2.3 | |
| 5/21 21:10 | 70.1 | ↑2.5 | |
| 5/21 21:20 | 72.6 | ↑2.5 | |
| 5/21 21:30 | 75.2 | ↑2.6 | 最大潮位差 |
| 5/21 21:40 | 77.7 | ↑2.5 | |
| 5/21 21:50 | 80.3 | ↑2.6 | 最大潮位差 |
| 5/21 22:00 | 82.9 | ↑2.6 | 最大潮位差 |
| 5/21 22:10 | 85.4 | ↑2.5 | |
| 5/21 22:20 | 87.9 | ↑2.5 | |
| 5/21 22:30 | 90.4 | ↑2.5 | |
| 5/21 22:40 | 92.7 | ↑2.3 | |
| 5/21 22:50 | 95.0 | ↑2.3 | |
| 5/21 23:00 | 97.2 | ↑2.2 | |
| 5/21 23:10 | 99.2 | ↑2.0 | |
| 5/21 23:20 | 101.1 | ↑1.9 | |
| 5/21 23:30 | 102.9 | ↑1.8 | |
| 5/21 23:40 | 104.5 | ↑1.6 | |
| 5/21 23:50 | 105.9 | ↑1.4 |