| 満潮 | 干潮 | 満潮 | 干潮 |
|
15
(土) |
04:34 | 11:55 | 19:28 | 23:45 |
| 114cm | 1cm | 106cm | 84cm | |
|
||||
那珂湊（茨城）2021年05月15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 |
|---|---|---|---|
| 5/15 00:00 | 79.8 | ↑0.7 | |
| 5/15 00:10 | 80.6 | ↑0.8 | |
| 5/15 00:20 | 81.5 | ↑0.9 | |
| 5/15 00:30 | 82.6 | ↑1.1 | |
| 5/15 00:40 | 83.8 | ↑1.2 | |
| 5/15 00:50 | 85.1 | ↑1.3 | |
| 5/15 01:00 | 86.5 | ↑1.4 | |
| 5/15 01:10 | 88.0 | ↑1.5 | |
| 5/15 01:20 | 89.6 | ↑1.6 | |
| 5/15 01:30 | 91.2 | ↑1.6 | |
| 5/15 01:40 | 92.9 | ↑1.7 | |
| 5/15 01:50 | 94.6 | ↑1.7 | |
| 5/15 02:00 | 96.3 | ↑1.7 | |
| 5/15 02:10 | 98.0 | ↑1.7 | |
| 5/15 02:20 | 99.7 | ↑1.7 | |
| 5/15 02:30 | 101.4 | ↑1.7 | |
| 5/15 02:40 | 103.0 | ↑1.6 | |
| 5/15 02:50 | 104.6 | ↑1.6 | |
| 5/15 03:00 | 106.0 | ↑1.4 | |
| 5/15 03:10 | 107.4 | ↑1.4 | |
| 5/15 03:20 | 108.7 | ↑1.3 | |
| 5/15 03:30 | 109.8 | ↑1.1 | |
| 5/15 03:40 | 110.8 | ↑1.0 | |
| 5/15 03:50 | 111.7 | ↑0.9 | |
| 5/15 04:00 | 112.4 | ↑0.7 | |
| 5/15 04:10 | 112.9 | ↑0.5 | |
| 5/15 04:20 | 113.3 | ↑0.4 | |
| 5/15 04:30 | 113.4 | ↑0.1 | 満潮 |
| 5/15 04:40 | 113.4 | 0 | |
| 5/15 04:50 | 113.1 | ↓-0.3 | |
| 5/15 05:00 | 112.7 | ↓-0.4 | |
| 5/15 05:10 | 112.0 | ↓-0.7 | |
| 5/15 05:20 | 111.0 | ↓-1.0 | |
| 5/15 05:30 | 109.9 | ↓-1.1 | |
| 5/15 05:40 | 108.5 | ↓-1.4 | |
| 5/15 05:50 | 106.9 | ↓-1.6 | |
| 5/15 06:00 | 105.0 | ↓-1.9 | |
| 5/15 06:10 | 102.9 | ↓-2.1 | |
| 5/15 06:20 | 100.6 | ↓-2.3 | |
| 5/15 06:30 | 98.0 | ↓-2.6 | |
| 5/15 06:40 | 95.3 | ↓-2.7 | |
| 5/15 06:50 | 92.3 | ↓-3.0 | |
| 5/15 07:00 | 89.1 | ↓-3.2 | |
| 5/15 07:10 | 85.8 | ↓-3.3 | |
| 5/15 07:20 | 82.2 | ↓-3.6 | |
| 5/15 07:30 | 78.6 | ↓-3.6 | |
| 5/15 07:40 | 74.8 | ↓-3.8 | |
| 5/15 07:50 | 70.8 | ↓-4.0 | |
| 5/15 08:00 | 66.8 | ↓-4.0 | |
| 5/15 08:10 | 62.7 | ↓-4.1 | |
| 5/15 08:20 | 58.6 | ↓-4.1 | |
| 5/15 08:30 | 54.4 | ↓-4.2 | 最大潮位差 |
| 5/15 08:40 | 50.3 | ↓-4.1 | |
| 5/15 08:50 | 46.2 | ↓-4.1 | |
| 5/15 09:00 | 42.1 | ↓-4.1 | |
| 5/15 09:10 | 38.1 | ↓-4.0 | |
| 5/15 09:20 | 34.2 | ↓-3.9 | |
| 5/15 09:30 | 30.4 | ↓-3.8 | |
| 5/15 09:40 | 26.7 | ↓-3.7 | |
| 5/15 09:50 | 23.3 | ↓-3.4 | |
| 5/15 10:00 | 20.0 | ↓-3.3 | |
| 5/15 10:10 | 16.9 | ↓-3.1 | |
| 5/15 10:20 | 14.1 | ↓-2.8 | |
| 5/15 10:30 | 11.5 | ↓-2.6 | |
| 5/15 10:40 | 9.1 | ↓-2.4 | |
| 5/15 10:50 | 7.1 | ↓-2.0 | |
| 5/15 11:00 | 5.3 | ↓-1.8 | |
| 5/15 11:10 | 3.8 | ↓-1.5 | |
| 5/15 11:20 | 2.6 | ↓-1.2 | |
| 5/15 11:30 | 1.7 | ↓-0.9 | |
| 5/15 11:40 | 1.1 | ↓-0.6 | |
| 5/15 11:50 | 0.9 | ↓-0.2 | 干潮 |
| 5/15 12:00 | 0.9 | 0 | |
| 5/15 12:10 | 1.2 | ↑0.3 | |
| 5/15 12:20 | 1.8 | ↑0.6 | |
| 5/15 12:30 | 2.7 | ↑0.9 | |
| 5/15 12:40 | 3.9 | ↑1.2 | |
| 5/15 12:50 | 5.3 | ↑1.4 | |
| 5/15 13:00 | 7.0 | ↑1.7 | |
| 5/15 13:10 | 9.0 | ↑2.0 | |
| 5/15 13:20 | 11.1 | ↑2.1 | |
| 5/15 13:30 | 13.5 | ↑2.4 | |
| 5/15 13:40 | 16.1 | ↑2.6 | |
| 5/15 13:50 | 18.8 | ↑2.7 | |
| 5/15 14:00 | 21.8 | ↑3.0 | |
| 5/15 14:10 | 24.8 | ↑3.0 | |
| 5/15 14:20 | 28.0 | ↑3.2 | |
| 5/15 14:30 | 31.3 | ↑3.3 | |
| 5/15 14:40 | 34.8 | ↑3.5 | |
| 5/15 14:50 | 38.3 | ↑3.5 | |
| 5/15 15:00 | 41.8 | ↑3.5 | |
| 5/15 15:10 | 45.4 | ↑3.6 | |
| 5/15 15:20 | 49.0 | ↑3.6 | |
| 5/15 15:30 | 52.7 | ↑3.7 | |
| 5/15 15:40 | 56.3 | ↑3.6 | |
| 5/15 15:50 | 59.9 | ↑3.6 | |
| 5/15 16:00 | 63.4 | ↑3.5 | |
| 5/15 16:10 | 66.9 | ↑3.5 | |
| 5/15 16:20 | 70.3 | ↑3.4 | |
| 5/15 16:30 | 73.7 | ↑3.4 | |
| 5/15 16:40 | 76.9 | ↑3.2 | |
| 5/15 16:50 | 80.0 | ↑3.1 | |
| 5/15 17:00 | 83.0 | ↑3.0 | |
| 5/15 17:10 | 85.8 | ↑2.8 | |
| 5/15 17:20 | 88.5 | ↑2.7 | |
| 5/15 17:30 | 91.0 | ↑2.5 | |
| 5/15 17:40 | 93.3 | ↑2.3 | |
| 5/15 17:50 | 95.4 | ↑2.1 | |
| 5/15 18:00 | 97.3 | ↑1.9 | |
| 5/15 18:10 | 99.1 | ↑1.8 | |
| 5/15 18:20 | 100.6 | ↑1.5 | |
| 5/15 18:30 | 101.9 | ↑1.3 | |
| 5/15 18:40 | 103.0 | ↑1.1 | |
| 5/15 18:50 | 103.8 | ↑0.8 | |
| 5/15 19:00 | 104.5 | ↑0.7 | |
| 5/15 19:10 | 105.0 | ↑0.5 | |
| 5/15 19:20 | 105.2 | ↑0.2 | 満潮 |
| 5/15 19:30 | 105.2 | 0 | |
| 5/15 19:40 | 105.1 | ↓-0.1 | |
| 5/15 19:50 | 104.8 | ↓-0.3 | |
| 5/15 20:00 | 104.3 | ↓-0.5 | |
| 5/15 20:10 | 103.6 | ↓-0.7 | |
| 5/15 20:20 | 102.8 | ↓-0.8 | |
| 5/15 20:30 | 101.9 | ↓-0.9 | |
| 5/15 20:40 | 100.9 | ↓-1.0 | |
| 5/15 20:50 | 99.8 | ↓-1.1 | |
| 5/15 21:00 | 98.6 | ↓-1.2 | |
| 5/15 21:10 | 97.3 | ↓-1.3 | |
| 5/15 21:20 | 96.1 | ↓-1.2 | |
| 5/15 21:30 | 94.8 | ↓-1.3 | |
| 5/15 21:40 | 93.5 | ↓-1.3 | |
| 5/15 21:50 | 92.2 | ↓-1.3 | |
| 5/15 22:00 | 91.0 | ↓-1.2 | |
| 5/15 22:10 | 89.8 | ↓-1.2 | |
| 5/15 22:20 | 88.7 | ↓-1.1 | |
| 5/15 22:30 | 87.7 | ↓-1.0 | |
| 5/15 22:40 | 86.8 | ↓-0.9 | |
| 5/15 22:50 | 86.0 | ↓-0.8 | |
| 5/15 23:00 | 85.3 | ↓-0.7 | |
| 5/15 23:10 | 84.7 | ↓-0.6 | |
| 5/15 23:20 | 84.3 | ↓-0.4 | |
| 5/15 23:30 | 84.0 | ↓-0.3 | |
| 5/15 23:40 | 83.9 | ↓-0.1 | 干潮 |
| 5/15 23:50 | 83.9 | 0 |