| 満潮 | 干潮 | 満潮 | 干潮 |
|
18
(月) |
01:09 | 07:45 | 13:18 | 19:11 |
| 109cm | 51cm | 88cm | 45cm | |
|
||||
那珂湊（茨城）2020年05月18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 |
|---|---|---|---|
| 5/18 00:00 | 104.4 | ↑1.4 | |
| 5/18 00:10 | 105.6 | ↑1.2 | |
| 5/18 00:20 | 106.7 | ↑1.1 | |
| 5/18 00:30 | 107.5 | ↑0.8 | |
| 5/18 00:40 | 108.2 | ↑0.7 | |
| 5/18 00:50 | 108.6 | ↑0.4 | |
| 5/18 01:00 | 108.9 | ↑0.3 | 満潮 |
| 5/18 01:10 | 109.0 | ↑0.1 | |
| 5/18 01:20 | 108.8 | ↓-0.2 | |
| 5/18 01:30 | 108.5 | ↓-0.3 | |
| 5/18 01:40 | 108.0 | ↓-0.5 | |
| 5/18 01:50 | 107.3 | ↓-0.7 | |
| 5/18 02:00 | 106.5 | ↓-0.8 | |
| 5/18 02:10 | 105.4 | ↓-1.1 | |
| 5/18 02:20 | 104.2 | ↓-1.2 | |
| 5/18 02:30 | 102.9 | ↓-1.3 | |
| 5/18 02:40 | 101.4 | ↓-1.5 | |
| 5/18 02:50 | 99.7 | ↓-1.7 | |
| 5/18 03:00 | 98.0 | ↓-1.7 | |
| 5/18 03:10 | 96.1 | ↓-1.9 | |
| 5/18 03:20 | 94.1 | ↓-2.0 | |
| 5/18 03:30 | 92.0 | ↓-2.1 | |
| 5/18 03:40 | 89.9 | ↓-2.1 | |
| 5/18 03:50 | 87.7 | ↓-2.2 | |
| 5/18 04:00 | 85.4 | ↓-2.3 | |
| 5/18 04:10 | 83.1 | ↓-2.3 | |
| 5/18 04:20 | 80.8 | ↓-2.3 | |
| 5/18 04:30 | 78.5 | ↓-2.3 | |
| 5/18 04:40 | 76.2 | ↓-2.3 | |
| 5/18 04:50 | 73.9 | ↓-2.3 | |
| 5/18 05:00 | 71.6 | ↓-2.3 | |
| 5/18 05:10 | 69.4 | ↓-2.2 | |
| 5/18 05:20 | 67.3 | ↓-2.1 | |
| 5/18 05:30 | 65.2 | ↓-2.1 | |
| 5/18 05:40 | 63.2 | ↓-2.0 | |
| 5/18 05:50 | 61.3 | ↓-1.9 | |
| 5/18 06:00 | 59.6 | ↓-1.7 | |
| 5/18 06:10 | 57.9 | ↓-1.7 | |
| 5/18 06:20 | 56.4 | ↓-1.5 | |
| 5/18 06:30 | 55.1 | ↓-1.3 | |
| 5/18 06:40 | 53.8 | ↓-1.3 | |
| 5/18 06:50 | 52.8 | ↓-1.0 | |
| 5/18 07:00 | 51.9 | ↓-0.9 | |
| 5/18 07:10 | 51.2 | ↓-0.7 | |
| 5/18 07:20 | 50.7 | ↓-0.5 | |
| 5/18 07:30 | 50.3 | ↓-0.4 | |
| 5/18 07:40 | 50.2 | ↓-0.1 | 干潮 |
| 5/18 07:50 | 50.2 | 0 | |
| 5/18 08:00 | 50.4 | ↑0.2 | |
| 5/18 08:10 | 50.7 | ↑0.3 | |
| 5/18 08:20 | 51.3 | ↑0.6 | |
| 5/18 08:30 | 52.0 | ↑0.7 | |
| 5/18 08:40 | 52.8 | ↑0.8 | |
| 5/18 08:50 | 53.8 | ↑1.0 | |
| 5/18 09:00 | 55.0 | ↑1.2 | |
| 5/18 09:10 | 56.2 | ↑1.2 | |
| 5/18 09:20 | 57.6 | ↑1.4 | |
| 5/18 09:30 | 59.1 | ↑1.5 | |
| 5/18 09:40 | 60.7 | ↑1.6 | |
| 5/18 09:50 | 62.3 | ↑1.6 | |
| 5/18 10:00 | 64.0 | ↑1.7 | |
| 5/18 10:10 | 65.7 | ↑1.7 | |
| 5/18 10:20 | 67.5 | ↑1.8 | |
| 5/18 10:30 | 69.3 | ↑1.8 | |
| 5/18 10:40 | 71.1 | ↑1.8 | |
| 5/18 10:50 | 72.8 | ↑1.7 | |
| 5/18 11:00 | 74.6 | ↑1.8 | |
| 5/18 11:10 | 76.2 | ↑1.6 | |
| 5/18 11:20 | 77.8 | ↑1.6 | |
| 5/18 11:30 | 79.3 | ↑1.5 | |
| 5/18 11:40 | 80.8 | ↑1.5 | |
| 5/18 11:50 | 82.1 | ↑1.3 | |
| 5/18 12:00 | 83.3 | ↑1.2 | |
| 5/18 12:10 | 84.4 | ↑1.1 | |
| 5/18 12:20 | 85.3 | ↑0.9 | |
| 5/18 12:30 | 86.2 | ↑0.9 | |
| 5/18 12:40 | 86.8 | ↑0.6 | |
| 5/18 12:50 | 87.3 | ↑0.5 | |
| 5/18 13:00 | 87.7 | ↑0.4 | |
| 5/18 13:10 | 87.9 | ↑0.2 | 満潮 |
| 5/18 13:20 | 87.9 | 0 | |
| 5/18 13:30 | 87.8 | ↓-0.1 | |
| 5/18 13:40 | 87.5 | ↓-0.3 | |
| 5/18 13:50 | 87.0 | ↓-0.5 | |
| 5/18 14:00 | 86.4 | ↓-0.6 | |
| 5/18 14:10 | 85.7 | ↓-0.7 | |
| 5/18 14:20 | 84.8 | ↓-0.9 | |
| 5/18 14:30 | 83.7 | ↓-1.1 | |
| 5/18 14:40 | 82.5 | ↓-1.2 | |
| 5/18 14:50 | 81.2 | ↓-1.3 | |
| 5/18 15:00 | 79.8 | ↓-1.4 | |
| 5/18 15:10 | 78.3 | ↓-1.5 | |
| 5/18 15:20 | 76.7 | ↓-1.6 | |
| 5/18 15:30 | 75.0 | ↓-1.7 | |
| 5/18 15:40 | 73.3 | ↓-1.7 | |
| 5/18 15:50 | 71.5 | ↓-1.8 | |
| 5/18 16:00 | 69.6 | ↓-1.9 | |
| 5/18 16:10 | 67.7 | ↓-1.9 | |
| 5/18 16:20 | 65.8 | ↓-1.9 | |
| 5/18 16:30 | 63.9 | ↓-1.9 | |
| 5/18 16:40 | 62.1 | ↓-1.8 | |
| 5/18 16:50 | 60.2 | ↓-1.9 | |
| 5/18 17:00 | 58.4 | ↓-1.8 | |
| 5/18 17:10 | 56.6 | ↓-1.8 | |
| 5/18 17:20 | 54.9 | ↓-1.7 | |
| 5/18 17:30 | 53.3 | ↓-1.6 | |
| 5/18 17:40 | 51.8 | ↓-1.5 | |
| 5/18 17:50 | 50.5 | ↓-1.3 | |
| 5/18 18:00 | 49.2 | ↓-1.3 | |
| 5/18 18:10 | 48.1 | ↓-1.1 | |
| 5/18 18:20 | 47.1 | ↓-1.0 | |
| 5/18 18:30 | 46.3 | ↓-0.8 | |
| 5/18 18:40 | 45.6 | ↓-0.7 | |
| 5/18 18:50 | 45.2 | ↓-0.4 | |
| 5/18 19:00 | 44.9 | ↓-0.3 | |
| 5/18 19:10 | 44.8 | ↓-0.1 | 干潮 |
| 5/18 19:20 | 44.9 | ↑0.1 | |
| 5/18 19:30 | 45.2 | ↑0.3 | |
| 5/18 19:40 | 45.7 | ↑0.5 | |
| 5/18 19:50 | 46.4 | ↑0.7 | |
| 5/18 20:00 | 47.3 | ↑0.9 | |
| 5/18 20:10 | 48.4 | ↑1.1 | |
| 5/18 20:20 | 49.6 | ↑1.2 | |
| 5/18 20:30 | 51.1 | ↑1.5 | |
| 5/18 20:40 | 52.7 | ↑1.6 | |
| 5/18 20:50 | 54.6 | ↑1.9 | |
| 5/18 21:00 | 56.5 | ↑1.9 | |
| 5/18 21:10 | 58.6 | ↑2.1 | |
| 5/18 21:20 | 60.9 | ↑2.3 | |
| 5/18 21:30 | 63.3 | ↑2.4 | |
| 5/18 21:40 | 65.7 | ↑2.4 | |
| 5/18 21:50 | 68.3 | ↑2.6 | |
| 5/18 22:00 | 70.9 | ↑2.6 | |
| 5/18 22:10 | 73.6 | ↑2.7 | |
| 5/18 22:20 | 76.3 | ↑2.7 | |
| 5/18 22:30 | 79.1 | ↑2.8 | 最大潮位差 |
| 5/18 22:40 | 81.8 | ↑2.7 | |
| 5/18 22:50 | 84.6 | ↑2.8 | 最大潮位差 |
| 5/18 23:00 | 87.2 | ↑2.6 | |
| 5/18 23:10 | 89.9 | ↑2.7 | |
| 5/18 23:20 | 92.4 | ↑2.5 | |
| 5/18 23:30 | 94.9 | ↑2.5 | |
| 5/18 23:40 | 97.2 | ↑2.3 | |
| 5/18 23:50 | 99.4 | ↑2.2 |