| 満潮 | 干潮 | 満潮 | 干潮 |
|
20
(金) |
01:57 | 08:34 | 14:53 | 20:26 |
| 114cm | 29cm | 102cm | 52cm | |
|
||||
那珂湊（茨城）2039年05月20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 |
|---|---|---|---|
| 5/20 00:00 | 98.4 | ↑2.5 | |
| 5/20 00:10 | 100.7 | ↑2.3 | |
| 5/20 00:20 | 102.9 | ↑2.2 | |
| 5/20 00:30 | 104.9 | ↑2.0 | |
| 5/20 00:40 | 106.7 | ↑1.8 | |
| 5/20 00:50 | 108.4 | ↑1.7 | |
| 5/20 01:00 | 109.8 | ↑1.4 | |
| 5/20 01:10 | 111.0 | ↑1.2 | |
| 5/20 01:20 | 112.0 | ↑1.0 | |
| 5/20 01:30 | 112.8 | ↑0.8 | |
| 5/20 01:40 | 113.3 | ↑0.5 | |
| 5/20 01:50 | 113.6 | ↑0.3 | 満潮 |
| 5/20 02:00 | 113.6 | 0 | |
| 5/20 02:10 | 113.3 | ↓-0.3 | |
| 5/20 02:20 | 112.8 | ↓-0.5 | |
| 5/20 02:30 | 112.1 | ↓-0.7 | |
| 5/20 02:40 | 111.1 | ↓-1.0 | |
| 5/20 02:50 | 109.9 | ↓-1.2 | |
| 5/20 03:00 | 108.4 | ↓-1.5 | |
| 5/20 03:10 | 106.7 | ↓-1.7 | |
| 5/20 03:20 | 104.8 | ↓-1.9 | |
| 5/20 03:30 | 102.7 | ↓-2.1 | |
| 5/20 03:40 | 100.4 | ↓-2.3 | |
| 5/20 03:50 | 97.9 | ↓-2.5 | |
| 5/20 04:00 | 95.2 | ↓-2.7 | |
| 5/20 04:10 | 92.4 | ↓-2.8 | |
| 5/20 04:20 | 89.4 | ↓-3.0 | |
| 5/20 04:30 | 86.4 | ↓-3.0 | |
| 5/20 04:40 | 83.2 | ↓-3.2 | |
| 5/20 04:50 | 79.9 | ↓-3.3 | |
| 5/20 05:00 | 76.6 | ↓-3.3 | |
| 5/20 05:10 | 73.3 | ↓-3.3 | |
| 5/20 05:20 | 69.9 | ↓-3.4 | 最大潮位差 |
| 5/20 05:30 | 66.6 | ↓-3.3 | |
| 5/20 05:40 | 63.3 | ↓-3.3 | |
| 5/20 05:50 | 60.0 | ↓-3.3 | |
| 5/20 06:00 | 56.8 | ↓-3.2 | |
| 5/20 06:10 | 53.6 | ↓-3.2 | |
| 5/20 06:20 | 50.6 | ↓-3.0 | |
| 5/20 06:30 | 47.7 | ↓-2.9 | |
| 5/20 06:40 | 45.0 | ↓-2.7 | |
| 5/20 06:50 | 42.4 | ↓-2.6 | |
| 5/20 07:00 | 40.1 | ↓-2.3 | |
| 5/20 07:10 | 37.9 | ↓-2.2 | |
| 5/20 07:20 | 35.9 | ↓-2.0 | |
| 5/20 07:30 | 34.1 | ↓-1.8 | |
| 5/20 07:40 | 32.6 | ↓-1.5 | |
| 5/20 07:50 | 31.4 | ↓-1.2 | |
| 5/20 08:00 | 30.4 | ↓-1.0 | |
| 5/20 08:10 | 29.6 | ↓-0.8 | |
| 5/20 08:20 | 29.1 | ↓-0.5 | |
| 5/20 08:30 | 28.9 | ↓-0.2 | 干潮 |
| 5/20 08:40 | 29.0 | ↑0.1 | |
| 5/20 08:50 | 29.3 | ↑0.3 | |
| 5/20 09:00 | 29.8 | ↑0.5 | |
| 5/20 09:10 | 30.7 | ↑0.9 | |
| 5/20 09:20 | 31.8 | ↑1.1 | |
| 5/20 09:30 | 33.1 | ↑1.3 | |
| 5/20 09:40 | 34.6 | ↑1.5 | |
| 5/20 09:50 | 36.4 | ↑1.8 | |
| 5/20 10:00 | 38.4 | ↑2.0 | |
| 5/20 10:10 | 40.6 | ↑2.2 | |
| 5/20 10:20 | 42.9 | ↑2.3 | |
| 5/20 10:30 | 45.4 | ↑2.5 | |
| 5/20 10:40 | 48.0 | ↑2.6 | |
| 5/20 10:50 | 50.8 | ↑2.8 | |
| 5/20 11:00 | 53.6 | ↑2.8 | |
| 5/20 11:10 | 56.5 | ↑2.9 | |
| 5/20 11:20 | 59.5 | ↑3.0 | |
| 5/20 11:30 | 62.5 | ↑3.0 | |
| 5/20 11:40 | 65.5 | ↑3.0 | |
| 5/20 11:50 | 68.6 | ↑3.1 | |
| 5/20 12:00 | 71.6 | ↑3.0 | |
| 5/20 12:10 | 74.5 | ↑2.9 | |
| 5/20 12:20 | 77.4 | ↑2.9 | |
| 5/20 12:30 | 80.2 | ↑2.8 | |
| 5/20 12:40 | 82.8 | ↑2.6 | |
| 5/20 12:50 | 85.4 | ↑2.6 | |
| 5/20 13:00 | 87.8 | ↑2.4 | |
| 5/20 13:10 | 90.1 | ↑2.3 | |
| 5/20 13:20 | 92.2 | ↑2.1 | |
| 5/20 13:30 | 94.1 | ↑1.9 | |
| 5/20 13:40 | 95.8 | ↑1.7 | |
| 5/20 13:50 | 97.3 | ↑1.5 | |
| 5/20 14:00 | 98.6 | ↑1.3 | |
| 5/20 14:10 | 99.7 | ↑1.1 | |
| 5/20 14:20 | 100.5 | ↑0.8 | |
| 5/20 14:30 | 101.2 | ↑0.7 | |
| 5/20 14:40 | 101.6 | ↑0.4 | |
| 5/20 14:50 | 101.7 | ↑0.1 | 満潮 |
| 5/20 15:00 | 101.7 | 0 | |
| 5/20 15:10 | 101.4 | ↓-0.3 | |
| 5/20 15:20 | 100.9 | ↓-0.5 | |
| 5/20 15:30 | 100.1 | ↓-0.8 | |
| 5/20 15:40 | 99.2 | ↓-0.9 | |
| 5/20 15:50 | 98.0 | ↓-1.2 | |
| 5/20 16:00 | 96.7 | ↓-1.3 | |
| 5/20 16:10 | 95.2 | ↓-1.5 | |
| 5/20 16:20 | 93.5 | ↓-1.7 | |
| 5/20 16:30 | 91.7 | ↓-1.8 | |
| 5/20 16:40 | 89.8 | ↓-1.9 | |
| 5/20 16:50 | 87.7 | ↓-2.1 | |
| 5/20 17:00 | 85.5 | ↓-2.2 | |
| 5/20 17:10 | 83.3 | ↓-2.2 | |
| 5/20 17:20 | 81.0 | ↓-2.3 | |
| 5/20 17:30 | 78.7 | ↓-2.3 | |
| 5/20 17:40 | 76.3 | ↓-2.4 | |
| 5/20 17:50 | 73.9 | ↓-2.4 | |
| 5/20 18:00 | 71.6 | ↓-2.3 | |
| 5/20 18:10 | 69.3 | ↓-2.3 | |
| 5/20 18:20 | 67.1 | ↓-2.2 | |
| 5/20 18:30 | 64.9 | ↓-2.2 | |
| 5/20 18:40 | 62.9 | ↓-2.0 | |
| 5/20 18:50 | 60.9 | ↓-2.0 | |
| 5/20 19:00 | 59.1 | ↓-1.8 | |
| 5/20 19:10 | 57.5 | ↓-1.6 | |
| 5/20 19:20 | 56.0 | ↓-1.5 | |
| 5/20 19:30 | 54.7 | ↓-1.3 | |
| 5/20 19:40 | 53.6 | ↓-1.1 | |
| 5/20 19:50 | 52.7 | ↓-0.9 | |
| 5/20 20:00 | 52.0 | ↓-0.7 | |
| 5/20 20:10 | 51.5 | ↓-0.5 | |
| 5/20 20:20 | 51.3 | ↓-0.2 | 干潮 |
| 5/20 20:30 | 51.3 | 0 | |
| 5/20 20:40 | 51.5 | ↑0.2 | |
| 5/20 20:50 | 51.9 | ↑0.4 | |
| 5/20 21:00 | 52.6 | ↑0.7 | |
| 5/20 21:10 | 53.6 | ↑1.0 | |
| 5/20 21:20 | 54.7 | ↑1.1 | |
| 5/20 21:30 | 56.1 | ↑1.4 | |
| 5/20 21:40 | 57.6 | ↑1.5 | |
| 5/20 21:50 | 59.4 | ↑1.8 | |
| 5/20 22:00 | 61.3 | ↑1.9 | |
| 5/20 22:10 | 63.5 | ↑2.2 | |
| 5/20 22:20 | 65.7 | ↑2.2 | |
| 5/20 22:30 | 68.1 | ↑2.4 | |
| 5/20 22:40 | 70.7 | ↑2.6 | |
| 5/20 22:50 | 73.3 | ↑2.6 | |
| 5/20 23:00 | 76.0 | ↑2.7 | |
| 5/20 23:10 | 78.8 | ↑2.8 | |
| 5/20 23:20 | 81.6 | ↑2.8 | |
| 5/20 23:30 | 84.5 | ↑2.9 | |
| 5/20 23:40 | 87.3 | ↑2.8 | |
| 5/20 23:50 | 90.1 | ↑2.8 |