| 満潮 | 干潮 | 満潮 | 干潮 |
|
21
(火) |
02:34 | 09:19 | 16:03 | 21:25 |
| 117cm | 11cm | 114cm | 60cm | |
|
||||
那珂湊（茨城）2058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 | 90.1 | ↑2.9 | |
| 5/21 00:10 | 92.9 | ↑2.8 | |
| 5/21 00:20 | 95.7 | ↑2.8 | |
| 5/21 00:30 | 98.3 | ↑2.6 | |
| 5/21 00:40 | 100.9 | ↑2.6 | |
| 5/21 00:50 | 103.3 | ↑2.4 | |
| 5/21 01:00 | 105.6 | ↑2.3 | |
| 5/21 01:10 | 107.8 | ↑2.2 | |
| 5/21 01:20 | 109.7 | ↑1.9 | |
| 5/21 01:30 | 111.4 | ↑1.7 | |
| 5/21 01:40 | 113.0 | ↑1.6 | |
| 5/21 01:50 | 114.2 | ↑1.2 | |
| 5/21 02:00 | 115.3 | ↑1.1 | |
| 5/21 02:10 | 116.1 | ↑0.8 | |
| 5/21 02:20 | 116.6 | ↑0.5 | |
| 5/21 02:30 | 116.8 | ↑0.2 | 満潮 |
| 5/21 02:40 | 116.7 | ↓-0.1 | |
| 5/21 02:50 | 116.4 | ↓-0.3 | |
| 5/21 03:00 | 115.8 | ↓-0.6 | |
| 5/21 03:10 | 114.9 | ↓-0.9 | |
| 5/21 03:20 | 113.7 | ↓-1.2 | |
| 5/21 03:30 | 112.2 | ↓-1.5 | |
| 5/21 03:40 | 110.4 | ↓-1.8 | |
| 5/21 03:50 | 108.3 | ↓-2.1 | |
| 5/21 04:00 | 106.0 | ↓-2.3 | |
| 5/21 04:10 | 103.4 | ↓-2.6 | |
| 5/21 04:20 | 100.6 | ↓-2.8 | |
| 5/21 04:30 | 97.6 | ↓-3.0 | |
| 5/21 04:40 | 94.3 | ↓-3.3 | |
| 5/21 04:50 | 90.9 | ↓-3.4 | |
| 5/21 05:00 | 87.2 | ↓-3.7 | |
| 5/21 05:10 | 83.5 | ↓-3.7 | |
| 5/21 05:20 | 79.6 | ↓-3.9 | |
| 5/21 05:30 | 75.6 | ↓-4.0 | |
| 5/21 05:40 | 71.5 | ↓-4.1 | |
| 5/21 05:50 | 67.3 | ↓-4.2 | 最大潮位差 |
| 5/21 06:00 | 63.2 | ↓-4.1 | |
| 5/21 06:10 | 59.0 | ↓-4.2 | 最大潮位差 |
| 5/21 06:20 | 54.9 | ↓-4.1 | |
| 5/21 06:30 | 50.8 | ↓-4.1 | |
| 5/21 06:40 | 46.7 | ↓-4.1 | |
| 5/21 06:50 | 42.8 | ↓-3.9 | |
| 5/21 07:00 | 39.0 | ↓-3.8 | |
| 5/21 07:10 | 35.4 | ↓-3.6 | |
| 5/21 07:20 | 31.9 | ↓-3.5 | |
| 5/21 07:30 | 28.6 | ↓-3.3 | |
| 5/21 07:40 | 25.6 | ↓-3.0 | |
| 5/21 07:50 | 22.7 | ↓-2.9 | |
| 5/21 08:00 | 20.2 | ↓-2.5 | |
| 5/21 08:10 | 17.9 | ↓-2.3 | |
| 5/21 08:20 | 15.9 | ↓-2.0 | |
| 5/21 08:30 | 14.2 | ↓-1.7 | |
| 5/21 08:40 | 12.8 | ↓-1.4 | |
| 5/21 08:50 | 11.7 | ↓-1.1 | |
| 5/21 09:00 | 11.0 | ↓-0.7 | |
| 5/21 09:10 | 10.6 | ↓-0.4 | 干潮 |
| 5/21 09:20 | 10.5 | ↓-0.1 | |
| 5/21 09:30 | 10.7 | ↑0.2 | |
| 5/21 09:40 | 11.3 | ↑0.6 | |
| 5/21 09:50 | 12.2 | ↑0.9 | |
| 5/21 10:00 | 13.4 | ↑1.2 | |
| 5/21 10:10 | 14.9 | ↑1.5 | |
| 5/21 10:20 | 16.7 | ↑1.8 | |
| 5/21 10:30 | 18.8 | ↑2.1 | |
| 5/21 10:40 | 21.2 | ↑2.4 | |
| 5/21 10:50 | 23.8 | ↑2.6 | |
| 5/21 11:00 | 26.7 | ↑2.9 | |
| 5/21 11:10 | 29.7 | ↑3.0 | |
| 5/21 11:20 | 33.0 | ↑3.3 | |
| 5/21 11:30 | 36.5 | ↑3.5 | |
| 5/21 11:40 | 40.0 | ↑3.5 | |
| 5/21 11:50 | 43.8 | ↑3.8 | |
| 5/21 12:00 | 47.6 | ↑3.8 | |
| 5/21 12:10 | 51.5 | ↑3.9 | |
| 5/21 12:20 | 55.4 | ↑3.9 | |
| 5/21 12:30 | 59.4 | ↑4.0 | |
| 5/21 12:40 | 63.4 | ↑4.0 | |
| 5/21 12:50 | 67.4 | ↑4.0 | |
| 5/21 13:00 | 71.4 | ↑4.0 | |
| 5/21 13:10 | 75.2 | ↑3.8 | |
| 5/21 13:20 | 79.0 | ↑3.8 | |
| 5/21 13:30 | 82.7 | ↑3.7 | |
| 5/21 13:40 | 86.3 | ↑3.6 | |
| 5/21 13:50 | 89.7 | ↑3.4 | |
| 5/21 14:00 | 92.9 | ↑3.2 | |
| 5/21 14:10 | 95.9 | ↑3.0 | |
| 5/21 14:20 | 98.7 | ↑2.8 | |
| 5/21 14:30 | 101.3 | ↑2.6 | |
| 5/21 14:40 | 103.7 | ↑2.4 | |
| 5/21 14:50 | 105.8 | ↑2.1 | |
| 5/21 15:00 | 107.7 | ↑1.9 | |
| 5/21 15:10 | 109.3 | ↑1.6 | |
| 5/21 15:20 | 110.6 | ↑1.3 | |
| 5/21 15:30 | 111.6 | ↑1.0 | |
| 5/21 15:40 | 112.4 | ↑0.8 | |
| 5/21 15:50 | 112.9 | ↑0.5 | |
| 5/21 16:00 | 113.1 | ↑0.2 | 満潮 |
| 5/21 16:10 | 113.0 | ↓-0.1 | |
| 5/21 16:20 | 112.6 | ↓-0.4 | |
| 5/21 16:30 | 112.0 | ↓-0.6 | |
| 5/21 16:40 | 111.2 | ↓-0.8 | |
| 5/21 16:50 | 110.0 | ↓-1.2 | |
| 5/21 17:00 | 108.7 | ↓-1.3 | |
| 5/21 17:10 | 107.2 | ↓-1.5 | |
| 5/21 17:20 | 105.4 | ↓-1.8 | |
| 5/21 17:30 | 103.5 | ↓-1.9 | |
| 5/21 17:40 | 101.4 | ↓-2.1 | |
| 5/21 17:50 | 99.2 | ↓-2.2 | |
| 5/21 18:00 | 96.8 | ↓-2.4 | |
| 5/21 18:10 | 94.4 | ↓-2.4 | |
| 5/21 18:20 | 91.9 | ↓-2.5 | |
| 5/21 18:30 | 89.3 | ↓-2.6 | |
| 5/21 18:40 | 86.7 | ↓-2.6 | |
| 5/21 18:50 | 84.2 | ↓-2.5 | |
| 5/21 19:00 | 81.6 | ↓-2.6 | |
| 5/21 19:10 | 79.1 | ↓-2.5 | |
| 5/21 19:20 | 76.7 | ↓-2.4 | |
| 5/21 19:30 | 74.3 | ↓-2.4 | |
| 5/21 19:40 | 72.1 | ↓-2.2 | |
| 5/21 19:50 | 70.0 | ↓-2.1 | |
| 5/21 20:00 | 68.1 | ↓-1.9 | |
| 5/21 20:10 | 66.3 | ↓-1.8 | |
| 5/21 20:20 | 64.8 | ↓-1.5 | |
| 5/21 20:30 | 63.4 | ↓-1.4 | |
| 5/21 20:40 | 62.2 | ↓-1.2 | |
| 5/21 20:50 | 61.3 | ↓-0.9 | |
| 5/21 21:00 | 60.6 | ↓-0.7 | |
| 5/21 21:10 | 60.1 | ↓-0.5 | |
| 5/21 21:20 | 59.9 | ↓-0.2 | 干潮 |
| 5/21 21:30 | 59.9 | 0 | |
| 5/21 21:40 | 60.2 | ↑0.3 | |
| 5/21 21:50 | 60.7 | ↑0.5 | |
| 5/21 22:00 | 61.4 | ↑0.7 | |
| 5/21 22:10 | 62.4 | ↑1.0 | |
| 5/21 22:20 | 63.6 | ↑1.2 | |
| 5/21 22:30 | 65.0 | ↑1.4 | |
| 5/21 22:40 | 66.7 | ↑1.7 | |
| 5/21 22:50 | 68.5 | ↑1.8 | |
| 5/21 23:00 | 70.5 | ↑2.0 | |
| 5/21 23:10 | 72.6 | ↑2.1 | |
| 5/21 23:20 | 74.9 | ↑2.3 | |
| 5/21 23:30 | 77.3 | ↑2.4 | |
| 5/21 23:40 | 79.9 | ↑2.6 | |
| 5/21 23:50 | 82.5 | ↑2.6 |