| 満潮 | 干潮 | 満潮 | 干潮 |
|
21
(日) |
03:44 | 10:58 | 18:18 | 22:57 |
| 121cm | -8cm | 114cm | 82cm | |
|
||||
那珂湊（茨城）2023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 | 84.2 | ↑1.7 | |
| 5/21 00:10 | 86.0 | ↑1.8 | |
| 5/21 00:20 | 87.9 | ↑1.9 | |
| 5/21 00:30 | 89.9 | ↑2.0 | |
| 5/21 00:40 | 92.0 | ↑2.1 | |
| 5/21 00:50 | 94.1 | ↑2.1 | |
| 5/21 01:00 | 96.3 | ↑2.2 | |
| 5/21 01:10 | 98.5 | ↑2.2 | |
| 5/21 01:20 | 100.7 | ↑2.2 | |
| 5/21 01:30 | 102.9 | ↑2.2 | |
| 5/21 01:40 | 105.0 | ↑2.1 | |
| 5/21 01:50 | 107.1 | ↑2.1 | |
| 5/21 02:00 | 109.1 | ↑2.0 | |
| 5/21 02:10 | 111.0 | ↑1.9 | |
| 5/21 02:20 | 112.8 | ↑1.8 | |
| 5/21 02:30 | 114.5 | ↑1.7 | |
| 5/21 02:40 | 116.0 | ↑1.5 | |
| 5/21 02:50 | 117.3 | ↑1.3 | |
| 5/21 03:00 | 118.4 | ↑1.1 | |
| 5/21 03:10 | 119.3 | ↑0.9 | |
| 5/21 03:20 | 120.0 | ↑0.7 | |
| 5/21 03:30 | 120.5 | ↑0.5 | |
| 5/21 03:40 | 120.7 | ↑0.2 | 満潮 |
| 5/21 03:50 | 120.7 | 0 | |
| 5/21 04:00 | 120.3 | ↓-0.4 | |
| 5/21 04:10 | 119.8 | ↓-0.5 | |
| 5/21 04:20 | 118.9 | ↓-0.9 | |
| 5/21 04:30 | 117.7 | ↓-1.2 | |
| 5/21 04:40 | 116.3 | ↓-1.4 | |
| 5/21 04:50 | 114.5 | ↓-1.8 | |
| 5/21 05:00 | 112.5 | ↓-2.0 | |
| 5/21 05:10 | 110.2 | ↓-2.3 | |
| 5/21 05:20 | 107.6 | ↓-2.6 | |
| 5/21 05:30 | 104.7 | ↓-2.9 | |
| 5/21 05:40 | 101.6 | ↓-3.1 | |
| 5/21 05:50 | 98.2 | ↓-3.4 | |
| 5/21 06:00 | 94.6 | ↓-3.6 | |
| 5/21 06:10 | 90.8 | ↓-3.8 | |
| 5/21 06:20 | 86.7 | ↓-4.1 | |
| 5/21 06:30 | 82.5 | ↓-4.2 | |
| 5/21 06:40 | 78.2 | ↓-4.3 | |
| 5/21 06:50 | 73.6 | ↓-4.6 | |
| 5/21 07:00 | 69.0 | ↓-4.6 | |
| 5/21 07:10 | 64.3 | ↓-4.7 | |
| 5/21 07:20 | 59.5 | ↓-4.8 | 最大潮位差 |
| 5/21 07:30 | 54.7 | ↓-4.8 | 最大潮位差 |
| 5/21 07:40 | 49.9 | ↓-4.8 | 最大潮位差 |
| 5/21 07:50 | 45.1 | ↓-4.8 | 最大潮位差 |
| 5/21 08:00 | 40.4 | ↓-4.7 | |
| 5/21 08:10 | 35.8 | ↓-4.6 | |
| 5/21 08:20 | 31.2 | ↓-4.6 | |
| 5/21 08:30 | 26.9 | ↓-4.3 | |
| 5/21 08:40 | 22.6 | ↓-4.3 | |
| 5/21 08:50 | 18.6 | ↓-4.0 | |
| 5/21 09:00 | 14.8 | ↓-3.8 | |
| 5/21 09:10 | 11.2 | ↓-3.6 | |
| 5/21 09:20 | 7.8 | ↓-3.4 | |
| 5/21 09:30 | 4.8 | ↓-3.0 | |
| 5/21 09:40 | 2.0 | ↓-2.8 | |
| 5/21 09:50 | -0.4 | ↓-2.4 | |
| 5/21 10:00 | -2.6 | ↓-2.2 | |
| 5/21 10:10 | -4.4 | ↓-1.8 | |
| 5/21 10:20 | -5.8 | ↓-1.4 | |
| 5/21 10:30 | -7.0 | ↓-1.2 | |
| 5/21 10:40 | -7.7 | ↓-0.7 | |
| 5/21 10:50 | -8.1 | ↓-0.4 | 干潮 |
| 5/21 11:00 | -8.2 | ↓-0.1 | |
| 5/21 11:10 | -7.9 | ↑0.3 | |
| 5/21 11:20 | -7.3 | ↑0.6 | |
| 5/21 11:30 | -6.3 | ↑1.0 | |
| 5/21 11:40 | -5.0 | ↑1.3 | |
| 5/21 11:50 | -3.4 | ↑1.6 | |
| 5/21 12:00 | -1.4 | ↑2.0 | |
| 5/21 12:10 | 0.8 | ↑2.2 | |
| 5/21 12:20 | 3.3 | ↑2.5 | |
| 5/21 12:30 | 6.1 | ↑2.8 | |
| 5/21 12:40 | 9.1 | ↑3.0 | |
| 5/21 12:50 | 12.4 | ↑3.3 | |
| 5/21 13:00 | 15.8 | ↑3.4 | |
| 5/21 13:10 | 19.5 | ↑3.7 | |
| 5/21 13:20 | 23.3 | ↑3.8 | |
| 5/21 13:30 | 27.3 | ↑4.0 | |
| 5/21 13:40 | 31.4 | ↑4.1 | |
| 5/21 13:50 | 35.6 | ↑4.2 | |
| 5/21 14:00 | 39.8 | ↑4.2 | |
| 5/21 14:10 | 44.2 | ↑4.4 | |
| 5/21 14:20 | 48.6 | ↑4.4 | |
| 5/21 14:30 | 52.9 | ↑4.3 | |
| 5/21 14:40 | 57.3 | ↑4.4 | |
| 5/21 14:50 | 61.7 | ↑4.4 | |
| 5/21 15:00 | 66.0 | ↑4.3 | |
| 5/21 15:10 | 70.2 | ↑4.2 | |
| 5/21 15:20 | 74.3 | ↑4.1 | |
| 5/21 15:30 | 78.3 | ↑4.0 | |
| 5/21 15:40 | 82.1 | ↑3.8 | |
| 5/21 15:50 | 85.8 | ↑3.7 | |
| 5/21 16:00 | 89.4 | ↑3.6 | |
| 5/21 16:10 | 92.7 | ↑3.3 | |
| 5/21 16:20 | 95.8 | ↑3.1 | |
| 5/21 16:30 | 98.7 | ↑2.9 | |
| 5/21 16:40 | 101.4 | ↑2.7 | |
| 5/21 16:50 | 103.8 | ↑2.4 | |
| 5/21 17:00 | 106.0 | ↑2.2 | |
| 5/21 17:10 | 107.9 | ↑1.9 | |
| 5/21 17:20 | 109.5 | ↑1.6 | |
| 5/21 17:30 | 110.9 | ↑1.4 | |
| 5/21 17:40 | 112.0 | ↑1.1 | |
| 5/21 17:50 | 112.8 | ↑0.8 | |
| 5/21 18:00 | 113.4 | ↑0.6 | |
| 5/21 18:10 | 113.7 | ↑0.3 | 満潮 |
| 5/21 18:20 | 113.7 | 0 | |
| 5/21 18:30 | 113.5 | ↓-0.2 | |
| 5/21 18:40 | 113.1 | ↓-0.4 | |
| 5/21 18:50 | 112.5 | ↓-0.6 | |
| 5/21 19:00 | 111.6 | ↓-0.9 | |
| 5/21 19:10 | 110.6 | ↓-1.0 | |
| 5/21 19:20 | 109.4 | ↓-1.2 | |
| 5/21 19:30 | 108.1 | ↓-1.3 | |
| 5/21 19:40 | 106.6 | ↓-1.5 | |
| 5/21 19:50 | 105.0 | ↓-1.6 | |
| 5/21 20:00 | 103.4 | ↓-1.6 | |
| 5/21 20:10 | 101.6 | ↓-1.8 | |
| 5/21 20:20 | 99.9 | ↓-1.7 | |
| 5/21 20:30 | 98.1 | ↓-1.8 | |
| 5/21 20:40 | 96.3 | ↓-1.8 | |
| 5/21 20:50 | 94.6 | ↓-1.7 | |
| 5/21 21:00 | 92.8 | ↓-1.8 | |
| 5/21 21:10 | 91.2 | ↓-1.6 | |
| 5/21 21:20 | 89.7 | ↓-1.5 | |
| 5/21 21:30 | 88.2 | ↓-1.5 | |
| 5/21 21:40 | 86.9 | ↓-1.3 | |
| 5/21 21:50 | 85.7 | ↓-1.2 | |
| 5/21 22:00 | 84.6 | ↓-1.1 | |
| 5/21 22:10 | 83.7 | ↓-0.9 | |
| 5/21 22:20 | 83.0 | ↓-0.7 | |
| 5/21 22:30 | 82.4 | ↓-0.6 | |
| 5/21 22:40 | 82.0 | ↓-0.4 | |
| 5/21 22:50 | 81.8 | ↓-0.2 | 干潮 |
| 5/21 23:00 | 81.8 | 0 | |
| 5/21 23:10 | 82.0 | ↑0.2 | |
| 5/21 23:20 | 82.3 | ↑0.3 | |
| 5/21 23:30 | 82.9 | ↑0.6 | |
| 5/21 23:40 | 83.6 | ↑0.7 | |
| 5/21 23:50 | 84.4 | ↑0.8 |