| 満潮 | 干潮 | 満潮 | 干潮 |
|
18
(水) |
00:54 | 07:18 | 12:38 | 18:52 |
| 108cm | 57cm | 90cm | 41cm | |
|
||||
那珂湊（茨城）2039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 | ↑1.1 | |
| 5/18 00:10 | 105.3 | ↑0.9 | |
| 5/18 00:20 | 106.0 | ↑0.7 | |
| 5/18 00:30 | 106.5 | ↑0.5 | |
| 5/18 00:40 | 106.9 | ↑0.4 | |
| 5/18 00:50 | 107.0 | ↑0.1 | 満潮 |
| 5/18 01:00 | 107.0 | 0 | |
| 5/18 01:10 | 106.8 | ↓-0.2 | |
| 5/18 01:20 | 106.4 | ↓-0.4 | |
| 5/18 01:30 | 105.8 | ↓-0.6 | |
| 5/18 01:40 | 105.0 | ↓-0.8 | |
| 5/18 01:50 | 104.1 | ↓-0.9 | |
| 5/18 02:00 | 103.1 | ↓-1.0 | |
| 5/18 02:10 | 101.9 | ↓-1.2 | |
| 5/18 02:20 | 100.6 | ↓-1.3 | |
| 5/18 02:30 | 99.1 | ↓-1.5 | |
| 5/18 02:40 | 97.5 | ↓-1.6 | |
| 5/18 02:50 | 95.9 | ↓-1.6 | |
| 5/18 03:00 | 94.1 | ↓-1.8 | |
| 5/18 03:10 | 92.3 | ↓-1.8 | |
| 5/18 03:20 | 90.4 | ↓-1.9 | |
| 5/18 03:30 | 88.4 | ↓-2.0 | |
| 5/18 03:40 | 86.4 | ↓-2.0 | |
| 5/18 03:50 | 84.3 | ↓-2.1 | |
| 5/18 04:00 | 82.3 | ↓-2.0 | |
| 5/18 04:10 | 80.2 | ↓-2.1 | |
| 5/18 04:20 | 78.2 | ↓-2.0 | |
| 5/18 04:30 | 76.1 | ↓-2.1 | |
| 5/18 04:40 | 74.1 | ↓-2.0 | |
| 5/18 04:50 | 72.2 | ↓-1.9 | |
| 5/18 05:00 | 70.3 | ↓-1.9 | |
| 5/18 05:10 | 68.5 | ↓-1.8 | |
| 5/18 05:20 | 66.7 | ↓-1.8 | |
| 5/18 05:30 | 65.1 | ↓-1.6 | |
| 5/18 05:40 | 63.6 | ↓-1.5 | |
| 5/18 05:50 | 62.2 | ↓-1.4 | |
| 5/18 06:00 | 60.9 | ↓-1.3 | |
| 5/18 06:10 | 59.7 | ↓-1.2 | |
| 5/18 06:20 | 58.7 | ↓-1.0 | |
| 5/18 06:30 | 57.9 | ↓-0.8 | |
| 5/18 06:40 | 57.2 | ↓-0.7 | |
| 5/18 06:50 | 56.7 | ↓-0.5 | |
| 5/18 07:00 | 56.3 | ↓-0.4 | |
| 5/18 07:10 | 56.1 | ↓-0.2 | 干潮 |
| 5/18 07:20 | 56.0 | ↓-0.1 | |
| 5/18 07:30 | 56.2 | ↑0.2 | |
| 5/18 07:40 | 56.5 | ↑0.3 | |
| 5/18 07:50 | 56.9 | ↑0.4 | |
| 5/18 08:00 | 57.5 | ↑0.6 | |
| 5/18 08:10 | 58.3 | ↑0.8 | |
| 5/18 08:20 | 59.2 | ↑0.9 | |
| 5/18 08:30 | 60.2 | ↑1.0 | |
| 5/18 08:40 | 61.4 | ↑1.2 | |
| 5/18 08:50 | 62.6 | ↑1.2 | |
| 5/18 09:00 | 64.0 | ↑1.4 | |
| 5/18 09:10 | 65.4 | ↑1.4 | |
| 5/18 09:20 | 67.0 | ↑1.6 | |
| 5/18 09:30 | 68.5 | ↑1.5 | |
| 5/18 09:40 | 70.1 | ↑1.6 | |
| 5/18 09:50 | 71.8 | ↑1.7 | |
| 5/18 10:00 | 73.4 | ↑1.6 | |
| 5/18 10:10 | 75.1 | ↑1.7 | |
| 5/18 10:20 | 76.7 | ↑1.6 | |
| 5/18 10:30 | 78.3 | ↑1.6 | |
| 5/18 10:40 | 79.8 | ↑1.5 | |
| 5/18 10:50 | 81.3 | ↑1.5 | |
| 5/18 11:00 | 82.6 | ↑1.3 | |
| 5/18 11:10 | 83.9 | ↑1.3 | |
| 5/18 11:20 | 85.1 | ↑1.2 | |
| 5/18 11:30 | 86.2 | ↑1.1 | |
| 5/18 11:40 | 87.1 | ↑0.9 | |
| 5/18 11:50 | 87.9 | ↑0.8 | |
| 5/18 12:00 | 88.6 | ↑0.7 | |
| 5/18 12:10 | 89.1 | ↑0.5 | |
| 5/18 12:20 | 89.5 | ↑0.4 | |
| 5/18 12:30 | 89.7 | ↑0.2 | 満潮 |
| 5/18 12:40 | 89.7 | 0 | |
| 5/18 12:50 | 89.6 | ↓-0.1 | |
| 5/18 13:00 | 89.3 | ↓-0.3 | |
| 5/18 13:10 | 88.8 | ↓-0.5 | |
| 5/18 13:20 | 88.2 | ↓-0.6 | |
| 5/18 13:30 | 87.5 | ↓-0.7 | |
| 5/18 13:40 | 86.6 | ↓-0.9 | |
| 5/18 13:50 | 85.5 | ↓-1.1 | |
| 5/18 14:00 | 84.3 | ↓-1.2 | |
| 5/18 14:10 | 83.0 | ↓-1.3 | |
| 5/18 14:20 | 81.6 | ↓-1.4 | |
| 5/18 14:30 | 80.0 | ↓-1.6 | |
| 5/18 14:40 | 78.4 | ↓-1.6 | |
| 5/18 14:50 | 76.6 | ↓-1.8 | |
| 5/18 15:00 | 74.8 | ↓-1.8 | |
| 5/18 15:10 | 72.9 | ↓-1.9 | |
| 5/18 15:20 | 70.9 | ↓-2.0 | |
| 5/18 15:30 | 68.9 | ↓-2.0 | |
| 5/18 15:40 | 66.9 | ↓-2.0 | |
| 5/18 15:50 | 64.8 | ↓-2.1 | |
| 5/18 16:00 | 62.8 | ↓-2.0 | |
| 5/18 16:10 | 60.7 | ↓-2.1 | |
| 5/18 16:20 | 58.7 | ↓-2.0 | |
| 5/18 16:30 | 56.7 | ↓-2.0 | |
| 5/18 16:40 | 54.8 | ↓-1.9 | |
| 5/18 16:50 | 52.9 | ↓-1.9 | |
| 5/18 17:00 | 51.1 | ↓-1.8 | |
| 5/18 17:10 | 49.4 | ↓-1.7 | |
| 5/18 17:20 | 47.8 | ↓-1.6 | |
| 5/18 17:30 | 46.4 | ↓-1.4 | |
| 5/18 17:40 | 45.0 | ↓-1.4 | |
| 5/18 17:50 | 43.8 | ↓-1.2 | |
| 5/18 18:00 | 42.8 | ↓-1.0 | |
| 5/18 18:10 | 41.9 | ↓-0.9 | |
| 5/18 18:20 | 41.2 | ↓-0.7 | |
| 5/18 18:30 | 40.7 | ↓-0.5 | |
| 5/18 18:40 | 40.4 | ↓-0.3 | |
| 5/18 18:50 | 40.3 | ↓-0.1 | 干潮 |
| 5/18 19:00 | 40.3 | 0 | |
| 5/18 19:10 | 40.6 | ↑0.3 | |
| 5/18 19:20 | 41.1 | ↑0.5 | |
| 5/18 19:30 | 41.8 | ↑0.7 | |
| 5/18 19:40 | 42.7 | ↑0.9 | |
| 5/18 19:50 | 43.8 | ↑1.1 | |
| 5/18 20:00 | 45.1 | ↑1.3 | |
| 5/18 20:10 | 46.6 | ↑1.5 | |
| 5/18 20:20 | 48.2 | ↑1.6 | |
| 5/18 20:30 | 50.1 | ↑1.9 | |
| 5/18 20:40 | 52.1 | ↑2.0 | |
| 5/18 20:50 | 54.3 | ↑2.2 | |
| 5/18 21:00 | 56.6 | ↑2.3 | |
| 5/18 21:10 | 59.0 | ↑2.4 | |
| 5/18 21:20 | 61.5 | ↑2.5 | |
| 5/18 21:30 | 64.2 | ↑2.7 | |
| 5/18 21:40 | 66.9 | ↑2.7 | |
| 5/18 21:50 | 69.6 | ↑2.7 | |
| 5/18 22:00 | 72.4 | ↑2.8 | |
| 5/18 22:10 | 75.2 | ↑2.8 | |
| 5/18 22:20 | 78.1 | ↑2.9 | 最大潮位差 |
| 5/18 22:30 | 80.9 | ↑2.8 | |
| 5/18 22:40 | 83.7 | ↑2.8 | |
| 5/18 22:50 | 86.4 | ↑2.7 | |
| 5/18 23:00 | 89.0 | ↑2.6 | |
| 5/18 23:10 | 91.6 | ↑2.6 | |
| 5/18 23:20 | 94.0 | ↑2.4 | |
| 5/18 23:30 | 96.3 | ↑2.3 | |
| 5/18 23:40 | 98.5 | ↑2.2 | |
| 5/18 23:50 | 100.6 | ↑2.1 |