| 満潮 | 干潮 | 満潮 | 干潮 |
|
18
(火) |
05:48 | 01:01 | 22:14 | 13:58 |
| 107cm | 92cm | 102cm | 13cm | |
|
||||
那珂湊（茨城）2021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 | 92.6 | ↓-0.6 | |
| 5/18 00:10 | 92.2 | ↓-0.4 | |
| 5/18 00:20 | 91.8 | ↓-0.4 | |
| 5/18 00:30 | 91.4 | ↓-0.4 | |
| 5/18 00:40 | 91.2 | ↓-0.2 | |
| 5/18 00:50 | 91.1 | ↓-0.1 | |
| 5/18 01:00 | 91.0 | ↓-0.1 | 干潮 |
| 5/18 01:10 | 91.1 | ↑0.1 | |
| 5/18 01:20 | 91.2 | ↑0.1 | |
| 5/18 01:30 | 91.4 | ↑0.2 | |
| 5/18 01:40 | 91.7 | ↑0.3 | |
| 5/18 01:50 | 92.1 | ↑0.4 | |
| 5/18 02:00 | 92.6 | ↑0.5 | |
| 5/18 02:10 | 93.1 | ↑0.5 | |
| 5/18 02:20 | 93.7 | ↑0.6 | |
| 5/18 02:30 | 94.3 | ↑0.6 | |
| 5/18 02:40 | 95.0 | ↑0.7 | |
| 5/18 02:50 | 95.8 | ↑0.8 | |
| 5/18 03:00 | 96.5 | ↑0.7 | |
| 5/18 03:10 | 97.3 | ↑0.8 | |
| 5/18 03:20 | 98.1 | ↑0.8 | |
| 5/18 03:30 | 98.9 | ↑0.8 | |
| 5/18 03:40 | 99.7 | ↑0.8 | |
| 5/18 03:50 | 100.5 | ↑0.8 | |
| 5/18 04:00 | 101.3 | ↑0.8 | |
| 5/18 04:10 | 102.0 | ↑0.7 | |
| 5/18 04:20 | 102.7 | ↑0.7 | |
| 5/18 04:30 | 103.3 | ↑0.6 | |
| 5/18 04:40 | 103.9 | ↑0.6 | |
| 5/18 04:50 | 104.5 | ↑0.6 | |
| 5/18 05:00 | 105.0 | ↑0.5 | |
| 5/18 05:10 | 105.3 | ↑0.3 | |
| 5/18 05:20 | 105.7 | ↑0.4 | |
| 5/18 05:30 | 105.9 | ↑0.2 | |
| 5/18 05:40 | 106.0 | ↑0.1 | 満潮 |
| 5/18 05:50 | 106.0 | 0 | |
| 5/18 06:00 | 106.0 | 0 | |
| 5/18 06:10 | 105.8 | ↓-0.2 | |
| 5/18 06:20 | 105.4 | ↓-0.4 | |
| 5/18 06:30 | 105.0 | ↓-0.4 | |
| 5/18 06:40 | 104.4 | ↓-0.6 | |
| 5/18 06:50 | 103.7 | ↓-0.7 | |
| 5/18 07:00 | 102.8 | ↓-0.9 | |
| 5/18 07:10 | 101.8 | ↓-1.0 | |
| 5/18 07:20 | 100.6 | ↓-1.2 | |
| 5/18 07:30 | 99.3 | ↓-1.3 | |
| 5/18 07:40 | 97.9 | ↓-1.4 | |
| 5/18 07:50 | 96.2 | ↓-1.7 | |
| 5/18 08:00 | 94.4 | ↓-1.8 | |
| 5/18 08:10 | 92.5 | ↓-1.9 | |
| 5/18 08:20 | 90.4 | ↓-2.1 | |
| 5/18 08:30 | 88.2 | ↓-2.2 | |
| 5/18 08:40 | 85.8 | ↓-2.4 | |
| 5/18 08:50 | 83.3 | ↓-2.5 | |
| 5/18 09:00 | 80.7 | ↓-2.6 | |
| 5/18 09:10 | 77.9 | ↓-2.8 | |
| 5/18 09:20 | 75.1 | ↓-2.8 | |
| 5/18 09:30 | 72.1 | ↓-3.0 | |
| 5/18 09:40 | 69.1 | ↓-3.0 | |
| 5/18 09:50 | 66.0 | ↓-3.1 | |
| 5/18 10:00 | 62.8 | ↓-3.2 | 最大潮位差 |
| 5/18 10:10 | 59.6 | ↓-3.2 | 最大潮位差 |
| 5/18 10:20 | 56.4 | ↓-3.2 | 最大潮位差 |
| 5/18 10:30 | 53.2 | ↓-3.2 | 最大潮位差 |
| 5/18 10:40 | 50.0 | ↓-3.2 | 最大潮位差 |
| 5/18 10:50 | 46.8 | ↓-3.2 | 最大潮位差 |
| 5/18 11:00 | 43.7 | ↓-3.1 | |
| 5/18 11:10 | 40.6 | ↓-3.1 | |
| 5/18 11:20 | 37.7 | ↓-2.9 | |
| 5/18 11:30 | 34.8 | ↓-2.9 | |
| 5/18 11:40 | 32.1 | ↓-2.7 | |
| 5/18 11:50 | 29.5 | ↓-2.6 | |
| 5/18 12:00 | 27.0 | ↓-2.5 | |
| 5/18 12:10 | 24.7 | ↓-2.3 | |
| 5/18 12:20 | 22.6 | ↓-2.1 | |
| 5/18 12:30 | 20.7 | ↓-1.9 | |
| 5/18 12:40 | 18.9 | ↓-1.8 | |
| 5/18 12:50 | 17.4 | ↓-1.5 | |
| 5/18 13:00 | 16.0 | ↓-1.4 | |
| 5/18 13:10 | 14.9 | ↓-1.1 | |
| 5/18 13:20 | 14.0 | ↓-0.9 | |
| 5/18 13:30 | 13.3 | ↓-0.7 | |
| 5/18 13:40 | 12.8 | ↓-0.5 | |
| 5/18 13:50 | 12.6 | ↓-0.2 | 干潮 |
| 5/18 14:00 | 12.6 | 0 | |
| 5/18 14:10 | 12.7 | ↑0.1 | |
| 5/18 14:20 | 13.1 | ↑0.4 | |
| 5/18 14:30 | 13.7 | ↑0.6 | |
| 5/18 14:40 | 14.5 | ↑0.8 | |
| 5/18 14:50 | 15.5 | ↑1.0 | |
| 5/18 15:00 | 16.6 | ↑1.1 | |
| 5/18 15:10 | 18.0 | ↑1.4 | |
| 5/18 15:20 | 19.5 | ↑1.5 | |
| 5/18 15:30 | 21.2 | ↑1.7 | |
| 5/18 15:40 | 23.0 | ↑1.8 | |
| 5/18 15:50 | 24.9 | ↑1.9 | |
| 5/18 16:00 | 27.0 | ↑2.1 | |
| 5/18 16:10 | 29.2 | ↑2.2 | |
| 5/18 16:20 | 31.6 | ↑2.4 | |
| 5/18 16:30 | 34.0 | ↑2.4 | |
| 5/18 16:40 | 36.5 | ↑2.5 | |
| 5/18 16:50 | 39.1 | ↑2.6 | |
| 5/18 17:00 | 41.7 | ↑2.6 | |
| 5/18 17:10 | 44.5 | ↑2.8 | |
| 5/18 17:20 | 47.2 | ↑2.7 | |
| 5/18 17:30 | 50.0 | ↑2.8 | |
| 5/18 17:40 | 52.9 | ↑2.9 | |
| 5/18 17:50 | 55.7 | ↑2.8 | |
| 5/18 18:00 | 58.6 | ↑2.9 | |
| 5/18 18:10 | 61.4 | ↑2.8 | |
| 5/18 18:20 | 64.3 | ↑2.9 | |
| 5/18 18:30 | 67.0 | ↑2.7 | |
| 5/18 18:40 | 69.8 | ↑2.8 | |
| 5/18 18:50 | 72.5 | ↑2.7 | |
| 5/18 19:00 | 75.1 | ↑2.6 | |
| 5/18 19:10 | 77.7 | ↑2.6 | |
| 5/18 19:20 | 80.1 | ↑2.4 | |
| 5/18 19:30 | 82.5 | ↑2.4 | |
| 5/18 19:40 | 84.8 | ↑2.3 | |
| 5/18 19:50 | 86.9 | ↑2.1 | |
| 5/18 20:00 | 88.9 | ↑2.0 | |
| 5/18 20:10 | 90.8 | ↑1.9 | |
| 5/18 20:20 | 92.5 | ↑1.7 | |
| 5/18 20:30 | 94.1 | ↑1.6 | |
| 5/18 20:40 | 95.6 | ↑1.5 | |
| 5/18 20:50 | 96.9 | ↑1.3 | |
| 5/18 21:00 | 98.0 | ↑1.1 | |
| 5/18 21:10 | 99.0 | ↑1.0 | |
| 5/18 21:20 | 99.8 | ↑0.8 | |
| 5/18 21:30 | 100.4 | ↑0.6 | |
| 5/18 21:40 | 101.0 | ↑0.6 | |
| 5/18 21:50 | 101.3 | ↑0.3 | |
| 5/18 22:00 | 101.6 | ↑0.3 | |
| 5/18 22:10 | 101.7 | ↑0.1 | 満潮 |
| 5/18 22:20 | 101.6 | ↓-0.1 | |
| 5/18 22:30 | 101.5 | ↓-0.1 | |
| 5/18 22:40 | 101.2 | ↓-0.3 | |
| 5/18 22:50 | 100.9 | ↓-0.3 | |
| 5/18 23:00 | 100.5 | ↓-0.4 | |
| 5/18 23:10 | 100.0 | ↓-0.5 | |
| 5/18 23:20 | 99.4 | ↓-0.6 | |
| 5/18 23:30 | 98.8 | ↓-0.6 | |
| 5/18 23:40 | 98.2 | ↓-0.6 | |
| 5/18 23:50 | 97.6 | ↓-0.6 |