| 満潮 | 干潮 | 満潮 | 干潮 |
|
21
(火) |
00:57 | 07:58 | 14:29 | 19:37 |
| 112cm | 29cm | 96cm | 63cm | |
|
||||
那珂湊（茨城）2047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 | 108.2 | ↑1.3 | |
| 5/21 00:10 | 109.2 | ↑1.0 | |
| 5/21 00:20 | 110.1 | ↑0.9 | |
| 5/21 00:30 | 110.7 | ↑0.6 | |
| 5/21 00:40 | 111.2 | ↑0.5 | |
| 5/21 00:50 | 111.4 | ↑0.2 | 満潮 |
| 5/21 01:00 | 111.4 | 0 | |
| 5/21 01:10 | 111.2 | ↓-0.2 | |
| 5/21 01:20 | 110.8 | ↓-0.4 | |
| 5/21 01:30 | 110.2 | ↓-0.6 | |
| 5/21 01:40 | 109.3 | ↓-0.9 | |
| 5/21 01:50 | 108.3 | ↓-1.0 | |
| 5/21 02:00 | 107.0 | ↓-1.3 | |
| 5/21 02:10 | 105.5 | ↓-1.5 | |
| 5/21 02:20 | 103.8 | ↓-1.7 | |
| 5/21 02:30 | 102.0 | ↓-1.8 | |
| 5/21 02:40 | 100.0 | ↓-2.0 | |
| 5/21 02:50 | 97.8 | ↓-2.2 | |
| 5/21 03:00 | 95.4 | ↓-2.4 | |
| 5/21 03:10 | 92.9 | ↓-2.5 | |
| 5/21 03:20 | 90.3 | ↓-2.6 | |
| 5/21 03:30 | 87.5 | ↓-2.8 | |
| 5/21 03:40 | 84.7 | ↓-2.8 | |
| 5/21 03:50 | 81.7 | ↓-3.0 | |
| 5/21 04:00 | 78.7 | ↓-3.0 | |
| 5/21 04:10 | 75.7 | ↓-3.0 | |
| 5/21 04:20 | 72.6 | ↓-3.1 | 最大潮位差 |
| 5/21 04:30 | 69.5 | ↓-3.1 | 最大潮位差 |
| 5/21 04:40 | 66.4 | ↓-3.1 | 最大潮位差 |
| 5/21 04:50 | 63.3 | ↓-3.1 | 最大潮位差 |
| 5/21 05:00 | 60.2 | ↓-3.1 | 最大潮位差 |
| 5/21 05:10 | 57.2 | ↓-3.0 | |
| 5/21 05:20 | 54.2 | ↓-3.0 | |
| 5/21 05:30 | 51.4 | ↓-2.8 | |
| 5/21 05:40 | 48.6 | ↓-2.8 | |
| 5/21 05:50 | 46.0 | ↓-2.6 | |
| 5/21 06:00 | 43.5 | ↓-2.5 | |
| 5/21 06:10 | 41.1 | ↓-2.4 | |
| 5/21 06:20 | 38.9 | ↓-2.2 | |
| 5/21 06:30 | 36.9 | ↓-2.0 | |
| 5/21 06:40 | 35.1 | ↓-1.8 | |
| 5/21 06:50 | 33.4 | ↓-1.7 | |
| 5/21 07:00 | 32.0 | ↓-1.4 | |
| 5/21 07:10 | 30.8 | ↓-1.2 | |
| 5/21 07:20 | 29.8 | ↓-1.0 | |
| 5/21 07:30 | 29.1 | ↓-0.7 | |
| 5/21 07:40 | 28.6 | ↓-0.5 | |
| 5/21 07:50 | 28.3 | ↓-0.3 | 干潮 |
| 5/21 08:00 | 28.3 | 0 | |
| 5/21 08:10 | 28.5 | ↑0.2 | |
| 5/21 08:20 | 28.9 | ↑0.4 | |
| 5/21 08:30 | 29.6 | ↑0.7 | |
| 5/21 08:40 | 30.5 | ↑0.9 | |
| 5/21 08:50 | 31.6 | ↑1.1 | |
| 5/21 09:00 | 32.9 | ↑1.3 | |
| 5/21 09:10 | 34.4 | ↑1.5 | |
| 5/21 09:20 | 36.1 | ↑1.7 | |
| 5/21 09:30 | 38.0 | ↑1.9 | |
| 5/21 09:40 | 40.0 | ↑2.0 | |
| 5/21 09:50 | 42.2 | ↑2.2 | |
| 5/21 10:00 | 44.5 | ↑2.3 | |
| 5/21 10:10 | 46.9 | ↑2.4 | |
| 5/21 10:20 | 49.4 | ↑2.5 | |
| 5/21 10:30 | 52.0 | ↑2.6 | |
| 5/21 10:40 | 54.7 | ↑2.7 | |
| 5/21 10:50 | 57.4 | ↑2.7 | |
| 5/21 11:00 | 60.1 | ↑2.7 | |
| 5/21 11:10 | 62.8 | ↑2.7 | |
| 5/21 11:20 | 65.5 | ↑2.7 | |
| 5/21 11:30 | 68.1 | ↑2.6 | |
| 5/21 11:40 | 70.8 | ↑2.7 | |
| 5/21 11:50 | 73.3 | ↑2.5 | |
| 5/21 12:00 | 75.8 | ↑2.5 | |
| 5/21 12:10 | 78.1 | ↑2.3 | |
| 5/21 12:20 | 80.4 | ↑2.3 | |
| 5/21 12:30 | 82.5 | ↑2.1 | |
| 5/21 12:40 | 84.5 | ↑2.0 | |
| 5/21 12:50 | 86.3 | ↑1.8 | |
| 5/21 13:00 | 88.0 | ↑1.7 | |
| 5/21 13:10 | 89.5 | ↑1.5 | |
| 5/21 13:20 | 90.9 | ↑1.4 | |
| 5/21 13:30 | 92.0 | ↑1.1 | |
| 5/21 13:40 | 93.0 | ↑1.0 | |
| 5/21 13:50 | 93.8 | ↑0.8 | |
| 5/21 14:00 | 94.4 | ↑0.6 | |
| 5/21 14:10 | 94.9 | ↑0.5 | |
| 5/21 14:20 | 95.1 | ↑0.2 | 満潮 |
| 5/21 14:30 | 95.1 | 0 | |
| 5/21 14:40 | 95.0 | ↓-0.1 | |
| 5/21 14:50 | 94.7 | ↓-0.3 | |
| 5/21 15:00 | 94.3 | ↓-0.4 | |
| 5/21 15:10 | 93.6 | ↓-0.7 | |
| 5/21 15:20 | 92.9 | ↓-0.7 | |
| 5/21 15:30 | 91.9 | ↓-1.0 | |
| 5/21 15:40 | 90.9 | ↓-1.0 | |
| 5/21 15:50 | 89.7 | ↓-1.2 | |
| 5/21 16:00 | 88.5 | ↓-1.2 | |
| 5/21 16:10 | 87.1 | ↓-1.4 | |
| 5/21 16:20 | 85.6 | ↓-1.5 | |
| 5/21 16:30 | 84.1 | ↓-1.5 | |
| 5/21 16:40 | 82.5 | ↓-1.6 | |
| 5/21 16:50 | 80.9 | ↓-1.6 | |
| 5/21 17:00 | 79.3 | ↓-1.6 | |
| 5/21 17:10 | 77.7 | ↓-1.6 | |
| 5/21 17:20 | 76.1 | ↓-1.6 | |
| 5/21 17:30 | 74.5 | ↓-1.6 | |
| 5/21 17:40 | 72.9 | ↓-1.6 | |
| 5/21 17:50 | 71.4 | ↓-1.5 | |
| 5/21 18:00 | 70.0 | ↓-1.4 | |
| 5/21 18:10 | 68.7 | ↓-1.3 | |
| 5/21 18:20 | 67.5 | ↓-1.2 | |
| 5/21 18:30 | 66.4 | ↓-1.1 | |
| 5/21 18:40 | 65.4 | ↓-1.0 | |
| 5/21 18:50 | 64.5 | ↓-0.9 | |
| 5/21 19:00 | 63.8 | ↓-0.7 | |
| 5/21 19:10 | 63.3 | ↓-0.5 | |
| 5/21 19:20 | 62.9 | ↓-0.4 | |
| 5/21 19:30 | 62.7 | ↓-0.2 | 干潮 |
| 5/21 19:40 | 62.7 | 0 | |
| 5/21 19:50 | 62.8 | ↑0.1 | |
| 5/21 20:00 | 63.2 | ↑0.4 | |
| 5/21 20:10 | 63.7 | ↑0.5 | |
| 5/21 20:20 | 64.4 | ↑0.7 | |
| 5/21 20:30 | 65.3 | ↑0.9 | |
| 5/21 20:40 | 66.3 | ↑1.0 | |
| 5/21 20:50 | 67.6 | ↑1.3 | |
| 5/21 21:00 | 69.0 | ↑1.4 | |
| 5/21 21:10 | 70.5 | ↑1.5 | |
| 5/21 21:20 | 72.2 | ↑1.7 | |
| 5/21 21:30 | 74.0 | ↑1.8 | |
| 5/21 21:40 | 75.9 | ↑1.9 | |
| 5/21 21:50 | 77.9 | ↑2.0 | |
| 5/21 22:00 | 80.1 | ↑2.2 | |
| 5/21 22:10 | 82.3 | ↑2.2 | |
| 5/21 22:20 | 84.5 | ↑2.2 | |
| 5/21 22:30 | 86.8 | ↑2.3 | |
| 5/21 22:40 | 89.1 | ↑2.3 | |
| 5/21 22:50 | 91.4 | ↑2.3 | |
| 5/21 23:00 | 93.7 | ↑2.3 | |
| 5/21 23:10 | 95.9 | ↑2.2 | |
| 5/21 23:20 | 98.1 | ↑2.2 | |
| 5/21 23:30 | 100.3 | ↑2.2 | |
| 5/21 23:40 | 102.3 | ↑2.0 | |
| 5/21 23:50 | 104.2 | ↑1.9 |