| 満潮 | 干潮 | 満潮 | 干潮 |
|
21
(木) |
05:17 | 00:19 | 21:09 | 13:10 |
| 117cm | 94cm | 108cm | -2cm | |
|
||||
那珂湊（茨城）2026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 | 93.8 | ↓-0.2 | |
| 5/21 00:10 | 93.6 | ↓-0.2 | 干潮 |
| 5/21 00:20 | 93.6 | 0 | |
| 5/21 00:30 | 93.6 | 0 | |
| 5/21 00:40 | 93.8 | ↑0.2 | |
| 5/21 00:50 | 94.2 | ↑0.4 | |
| 5/21 01:00 | 94.6 | ↑0.4 | |
| 5/21 01:10 | 95.1 | ↑0.5 | |
| 5/21 01:20 | 95.8 | ↑0.7 | |
| 5/21 01:30 | 96.5 | ↑0.7 | |
| 5/21 01:40 | 97.3 | ↑0.8 | |
| 5/21 01:50 | 98.3 | ↑1.0 | |
| 5/21 02:00 | 99.2 | ↑0.9 | |
| 5/21 02:10 | 100.3 | ↑1.1 | |
| 5/21 02:20 | 101.3 | ↑1.0 | |
| 5/21 02:30 | 102.5 | ↑1.2 | |
| 5/21 02:40 | 103.6 | ↑1.1 | |
| 5/21 02:50 | 104.8 | ↑1.2 | |
| 5/21 03:00 | 105.9 | ↑1.1 | |
| 5/21 03:10 | 107.1 | ↑1.2 | |
| 5/21 03:20 | 108.2 | ↑1.1 | |
| 5/21 03:30 | 109.4 | ↑1.2 | |
| 5/21 03:40 | 110.4 | ↑1.0 | |
| 5/21 03:50 | 111.5 | ↑1.1 | |
| 5/21 04:00 | 112.4 | ↑0.9 | |
| 5/21 04:10 | 113.3 | ↑0.9 | |
| 5/21 04:20 | 114.1 | ↑0.8 | |
| 5/21 04:30 | 114.8 | ↑0.7 | |
| 5/21 04:40 | 115.4 | ↑0.6 | |
| 5/21 04:50 | 115.8 | ↑0.4 | |
| 5/21 05:00 | 116.1 | ↑0.3 | |
| 5/21 05:10 | 116.3 | ↑0.2 | 満潮 |
| 5/21 05:20 | 116.3 | 0 | |
| 5/21 05:30 | 116.1 | ↓-0.2 | |
| 5/21 05:40 | 115.8 | ↓-0.3 | |
| 5/21 05:50 | 115.3 | ↓-0.5 | |
| 5/21 06:00 | 114.6 | ↓-0.7 | |
| 5/21 06:10 | 113.7 | ↓-0.9 | |
| 5/21 06:20 | 112.5 | ↓-1.2 | |
| 5/21 06:30 | 111.2 | ↓-1.3 | |
| 5/21 06:40 | 109.6 | ↓-1.6 | |
| 5/21 06:50 | 107.9 | ↓-1.7 | |
| 5/21 07:00 | 105.9 | ↓-2.0 | |
| 5/21 07:10 | 103.7 | ↓-2.2 | |
| 5/21 07:20 | 101.2 | ↓-2.5 | |
| 5/21 07:30 | 98.6 | ↓-2.6 | |
| 5/21 07:40 | 95.8 | ↓-2.8 | |
| 5/21 07:50 | 92.8 | ↓-3.0 | |
| 5/21 08:00 | 89.5 | ↓-3.3 | |
| 5/21 08:10 | 86.2 | ↓-3.3 | |
| 5/21 08:20 | 82.6 | ↓-3.6 | |
| 5/21 08:30 | 78.9 | ↓-3.7 | |
| 5/21 08:40 | 75.1 | ↓-3.8 | |
| 5/21 08:50 | 71.2 | ↓-3.9 | |
| 5/21 09:00 | 67.2 | ↓-4.0 | |
| 5/21 09:10 | 63.1 | ↓-4.1 | |
| 5/21 09:20 | 59.0 | ↓-4.1 | |
| 5/21 09:30 | 54.9 | ↓-4.1 | |
| 5/21 09:40 | 50.7 | ↓-4.2 | 最大潮位差 |
| 5/21 09:50 | 46.6 | ↓-4.1 | |
| 5/21 10:00 | 42.5 | ↓-4.1 | |
| 5/21 10:10 | 38.5 | ↓-4.0 | |
| 5/21 10:20 | 34.6 | ↓-3.9 | |
| 5/21 10:30 | 30.8 | ↓-3.8 | |
| 5/21 10:40 | 27.1 | ↓-3.7 | |
| 5/21 10:50 | 23.6 | ↓-3.5 | |
| 5/21 11:00 | 20.2 | ↓-3.4 | |
| 5/21 11:10 | 17.0 | ↓-3.2 | |
| 5/21 11:20 | 14.1 | ↓-2.9 | |
| 5/21 11:30 | 11.3 | ↓-2.8 | |
| 5/21 11:40 | 8.8 | ↓-2.5 | |
| 5/21 11:50 | 6.6 | ↓-2.2 | |
| 5/21 12:00 | 4.5 | ↓-2.1 | |
| 5/21 12:10 | 2.8 | ↓-1.7 | |
| 5/21 12:20 | 1.3 | ↓-1.5 | |
| 5/21 12:30 | 0.1 | ↓-1.2 | |
| 5/21 12:40 | -0.9 | ↓-1.0 | |
| 5/21 12:50 | -1.5 | ↓-0.6 | |
| 5/21 13:00 | -1.9 | ↓-0.4 | 干潮 |
| 5/21 13:10 | -2.0 | ↓-0.1 | 干潮 |
| 5/21 13:20 | -1.9 | ↑0.1 | |
| 5/21 13:30 | -1.4 | ↑0.5 | |
| 5/21 13:40 | -0.7 | ↑0.7 | |
| 5/21 13:50 | 0.2 | ↑0.9 | |
| 5/21 14:00 | 1.4 | ↑1.2 | |
| 5/21 14:10 | 2.8 | ↑1.4 | |
| 5/21 14:20 | 4.5 | ↑1.7 | |
| 5/21 14:30 | 6.4 | ↑1.9 | |
| 5/21 14:40 | 8.5 | ↑2.1 | |
| 5/21 14:50 | 10.8 | ↑2.3 | |
| 5/21 15:00 | 13.3 | ↑2.5 | |
| 5/21 15:10 | 15.9 | ↑2.6 | |
| 5/21 15:20 | 18.8 | ↑2.9 | |
| 5/21 15:30 | 21.8 | ↑3.0 | |
| 5/21 15:40 | 24.9 | ↑3.1 | |
| 5/21 15:50 | 28.1 | ↑3.2 | |
| 5/21 16:00 | 31.4 | ↑3.3 | |
| 5/21 16:10 | 34.9 | ↑3.5 | |
| 5/21 16:20 | 38.4 | ↑3.5 | |
| 5/21 16:30 | 42.0 | ↑3.6 | |
| 5/21 16:40 | 45.6 | ↑3.6 | |
| 5/21 16:50 | 49.2 | ↑3.6 | |
| 5/21 17:00 | 52.9 | ↑3.7 | |
| 5/21 17:10 | 56.5 | ↑3.6 | |
| 5/21 17:20 | 60.1 | ↑3.6 | |
| 5/21 17:30 | 63.7 | ↑3.6 | |
| 5/21 17:40 | 67.3 | ↑3.6 | |
| 5/21 17:50 | 70.7 | ↑3.4 | |
| 5/21 18:00 | 74.1 | ↑3.4 | |
| 5/21 18:10 | 77.4 | ↑3.3 | |
| 5/21 18:20 | 80.5 | ↑3.1 | |
| 5/21 18:30 | 83.6 | ↑3.1 | |
| 5/21 18:40 | 86.4 | ↑2.8 | |
| 5/21 18:50 | 89.2 | ↑2.8 | |
| 5/21 19:00 | 91.7 | ↑2.5 | |
| 5/21 19:10 | 94.1 | ↑2.4 | |
| 5/21 19:20 | 96.3 | ↑2.2 | |
| 5/21 19:30 | 98.3 | ↑2.0 | |
| 5/21 19:40 | 100.0 | ↑1.7 | |
| 5/21 19:50 | 101.6 | ↑1.6 | |
| 5/21 20:00 | 103.0 | ↑1.4 | |
| 5/21 20:10 | 104.2 | ↑1.2 | |
| 5/21 20:20 | 105.2 | ↑1.0 | |
| 5/21 20:30 | 106.0 | ↑0.8 | |
| 5/21 20:40 | 106.5 | ↑0.5 | |
| 5/21 20:50 | 106.9 | ↑0.4 | |
| 5/21 21:00 | 107.2 | ↑0.3 | 満潮 |
| 5/21 21:10 | 107.2 | 0 | |
| 5/21 21:20 | 107.1 | ↓-0.1 | |
| 5/21 21:30 | 106.8 | ↓-0.3 | |
| 5/21 21:40 | 106.5 | ↓-0.3 | |
| 5/21 21:50 | 106.0 | ↓-0.5 | |
| 5/21 22:00 | 105.4 | ↓-0.6 | |
| 5/21 22:10 | 104.7 | ↓-0.7 | |
| 5/21 22:20 | 103.9 | ↓-0.8 | |
| 5/21 22:30 | 103.1 | ↓-0.8 | |
| 5/21 22:40 | 102.2 | ↓-0.9 | |
| 5/21 22:50 | 101.4 | ↓-0.8 | |
| 5/21 23:00 | 100.5 | ↓-0.9 | |
| 5/21 23:10 | 99.6 | ↓-0.9 | |
| 5/21 23:20 | 98.7 | ↓-0.9 | |
| 5/21 23:30 | 97.9 | ↓-0.8 | |
| 5/21 23:40 | 97.1 | ↓-0.8 | |
| 5/21 23:50 | 96.4 | ↓-0.7 |