| 満潮 | 干潮 | 満潮 | 干潮 |
|
20
(日) |
03:28 | 10:32 | 17:39 | 22:46 |
| 130cm | 15cm | 129cm | 85cm | |
|
||||
那珂湊（茨城）2031年07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 |
|---|---|---|---|
| 7/20 00:00 | 98.6 | ↑1.7 | |
| 7/20 00:10 | 100.4 | ↑1.8 | |
| 7/20 00:20 | 102.3 | ↑1.9 | |
| 7/20 00:30 | 104.2 | ↑1.9 | |
| 7/20 00:40 | 106.2 | ↑2.0 | |
| 7/20 00:50 | 108.2 | ↑2.0 | |
| 7/20 01:00 | 110.3 | ↑2.1 | |
| 7/20 01:10 | 112.3 | ↑2.0 | |
| 7/20 01:20 | 114.2 | ↑1.9 | |
| 7/20 01:30 | 116.2 | ↑2.0 | |
| 7/20 01:40 | 118.1 | ↑1.9 | |
| 7/20 01:50 | 119.8 | ↑1.7 | |
| 7/20 02:00 | 121.5 | ↑1.7 | |
| 7/20 02:10 | 123.1 | ↑1.6 | |
| 7/20 02:20 | 124.5 | ↑1.4 | |
| 7/20 02:30 | 125.8 | ↑1.3 | |
| 7/20 02:40 | 126.9 | ↑1.1 | |
| 7/20 02:50 | 127.8 | ↑0.9 | |
| 7/20 03:00 | 128.5 | ↑0.7 | |
| 7/20 03:10 | 129.0 | ↑0.5 | |
| 7/20 03:20 | 129.3 | ↑0.3 | 満潮 |
| 7/20 03:30 | 129.3 | 0 | |
| 7/20 03:40 | 129.1 | ↓-0.2 | |
| 7/20 03:50 | 128.7 | ↓-0.4 | |
| 7/20 04:00 | 127.9 | ↓-0.8 | |
| 7/20 04:10 | 127.0 | ↓-0.9 | |
| 7/20 04:20 | 125.7 | ↓-1.3 | |
| 7/20 04:30 | 124.2 | ↓-1.5 | |
| 7/20 04:40 | 122.4 | ↓-1.8 | |
| 7/20 04:50 | 120.3 | ↓-2.1 | |
| 7/20 05:00 | 118.0 | ↓-2.3 | |
| 7/20 05:10 | 115.4 | ↓-2.6 | |
| 7/20 05:20 | 112.6 | ↓-2.8 | |
| 7/20 05:30 | 109.6 | ↓-3.0 | |
| 7/20 05:40 | 106.3 | ↓-3.3 | |
| 7/20 05:50 | 102.9 | ↓-3.4 | |
| 7/20 06:00 | 99.2 | ↓-3.7 | |
| 7/20 06:10 | 95.4 | ↓-3.8 | |
| 7/20 06:20 | 91.4 | ↓-4.0 | |
| 7/20 06:30 | 87.3 | ↓-4.1 | |
| 7/20 06:40 | 83.1 | ↓-4.2 | |
| 7/20 06:50 | 78.9 | ↓-4.2 | |
| 7/20 07:00 | 74.5 | ↓-4.4 | 最大潮位差 |
| 7/20 07:10 | 70.2 | ↓-4.3 | |
| 7/20 07:20 | 65.9 | ↓-4.3 | |
| 7/20 07:30 | 61.5 | ↓-4.4 | 最大潮位差 |
| 7/20 07:40 | 57.3 | ↓-4.2 | |
| 7/20 07:50 | 53.1 | ↓-4.2 | |
| 7/20 08:00 | 49.0 | ↓-4.1 | |
| 7/20 08:10 | 45.1 | ↓-3.9 | |
| 7/20 08:20 | 41.3 | ↓-3.8 | |
| 7/20 08:30 | 37.7 | ↓-3.6 | |
| 7/20 08:40 | 34.2 | ↓-3.5 | |
| 7/20 08:50 | 31.1 | ↓-3.1 | |
| 7/20 09:00 | 28.1 | ↓-3.0 | |
| 7/20 09:10 | 25.4 | ↓-2.7 | |
| 7/20 09:20 | 23.0 | ↓-2.4 | |
| 7/20 09:30 | 20.9 | ↓-2.1 | |
| 7/20 09:40 | 19.1 | ↓-1.8 | |
| 7/20 09:50 | 17.6 | ↓-1.5 | |
| 7/20 10:00 | 16.5 | ↓-1.1 | |
| 7/20 10:10 | 15.6 | ↓-0.9 | |
| 7/20 10:20 | 15.1 | ↓-0.5 | |
| 7/20 10:30 | 14.9 | ↓-0.2 | 干潮 |
| 7/20 10:40 | 15.1 | ↑0.2 | |
| 7/20 10:50 | 15.5 | ↑0.4 | |
| 7/20 11:00 | 16.3 | ↑0.8 | |
| 7/20 11:10 | 17.4 | ↑1.1 | |
| 7/20 11:20 | 18.9 | ↑1.5 | |
| 7/20 11:30 | 20.6 | ↑1.7 | |
| 7/20 11:40 | 22.6 | ↑2.0 | |
| 7/20 11:50 | 24.9 | ↑2.3 | |
| 7/20 12:00 | 27.4 | ↑2.5 | |
| 7/20 12:10 | 30.2 | ↑2.8 | |
| 7/20 12:20 | 33.3 | ↑3.1 | |
| 7/20 12:30 | 36.5 | ↑3.2 | |
| 7/20 12:40 | 39.9 | ↑3.4 | |
| 7/20 12:50 | 43.5 | ↑3.6 | |
| 7/20 13:00 | 47.2 | ↑3.7 | |
| 7/20 13:10 | 51.1 | ↑3.9 | |
| 7/20 13:20 | 55.1 | ↑4.0 | |
| 7/20 13:30 | 59.2 | ↑4.1 | |
| 7/20 13:40 | 63.3 | ↑4.1 | |
| 7/20 13:50 | 67.4 | ↑4.1 | |
| 7/20 14:00 | 71.6 | ↑4.2 | |
| 7/20 14:10 | 75.8 | ↑4.2 | |
| 7/20 14:20 | 80.0 | ↑4.2 | |
| 7/20 14:30 | 84.1 | ↑4.1 | |
| 7/20 14:40 | 88.1 | ↑4.0 | |
| 7/20 14:50 | 92.0 | ↑3.9 | |
| 7/20 15:00 | 95.9 | ↑3.9 | |
| 7/20 15:10 | 99.5 | ↑3.6 | |
| 7/20 15:20 | 103.1 | ↑3.6 | |
| 7/20 15:30 | 106.4 | ↑3.3 | |
| 7/20 15:40 | 109.6 | ↑3.2 | |
| 7/20 15:50 | 112.5 | ↑2.9 | |
| 7/20 16:00 | 115.3 | ↑2.8 | |
| 7/20 16:10 | 117.8 | ↑2.5 | |
| 7/20 16:20 | 120.0 | ↑2.2 | |
| 7/20 16:30 | 122.0 | ↑2.0 | |
| 7/20 16:40 | 123.7 | ↑1.7 | |
| 7/20 16:50 | 125.2 | ↑1.5 | |
| 7/20 17:00 | 126.4 | ↑1.2 | |
| 7/20 17:10 | 127.3 | ↑0.9 | |
| 7/20 17:20 | 127.9 | ↑0.6 | |
| 7/20 17:30 | 128.2 | ↑0.3 | 満潮 |
| 7/20 17:40 | 128.3 | ↑0.1 | |
| 7/20 17:50 | 128.1 | ↓-0.2 | |
| 7/20 18:00 | 127.7 | ↓-0.4 | |
| 7/20 18:10 | 127.0 | ↓-0.7 | |
| 7/20 18:20 | 126.1 | ↓-0.9 | |
| 7/20 18:30 | 125.0 | ↓-1.1 | |
| 7/20 18:40 | 123.6 | ↓-1.4 | |
| 7/20 18:50 | 122.1 | ↓-1.5 | |
| 7/20 19:00 | 120.4 | ↓-1.7 | |
| 7/20 19:10 | 118.6 | ↓-1.8 | |
| 7/20 19:20 | 116.6 | ↓-2.0 | |
| 7/20 19:30 | 114.6 | ↓-2.0 | |
| 7/20 19:40 | 112.4 | ↓-2.2 | |
| 7/20 19:50 | 110.3 | ↓-2.1 | |
| 7/20 20:00 | 108.1 | ↓-2.2 | |
| 7/20 20:10 | 105.8 | ↓-2.3 | |
| 7/20 20:20 | 103.6 | ↓-2.2 | |
| 7/20 20:30 | 101.5 | ↓-2.1 | |
| 7/20 20:40 | 99.4 | ↓-2.1 | |
| 7/20 20:50 | 97.3 | ↓-2.1 | |
| 7/20 21:00 | 95.4 | ↓-1.9 | |
| 7/20 21:10 | 93.6 | ↓-1.8 | |
| 7/20 21:20 | 91.9 | ↓-1.7 | |
| 7/20 21:30 | 90.4 | ↓-1.5 | |
| 7/20 21:40 | 89.0 | ↓-1.4 | |
| 7/20 21:50 | 87.9 | ↓-1.1 | |
| 7/20 22:00 | 86.9 | ↓-1.0 | |
| 7/20 22:10 | 86.1 | ↓-0.8 | |
| 7/20 22:20 | 85.4 | ↓-0.7 | |
| 7/20 22:30 | 85.0 | ↓-0.4 | |
| 7/20 22:40 | 84.8 | ↓-0.2 | 干潮 |
| 7/20 22:50 | 84.9 | ↑0.1 | |
| 7/20 23:00 | 85.1 | ↑0.2 | |
| 7/20 23:10 | 85.5 | ↑0.4 | |
| 7/20 23:20 | 86.1 | ↑0.6 | |
| 7/20 23:30 | 86.9 | ↑0.8 | |
| 7/20 23:40 | 87.8 | ↑0.9 | |
| 7/20 23:50 | 89.0 | ↑1.2 |