| 満潮 | 干潮 | 満潮 | 干潮 |
|
30
(日) |
02:18 | 09:30 | 16:39 | 21:41 |
| 131cm | 18cm | 128cm | 88cm | |
|
||||
那珂湊（茨城）2034年07月30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 |
|---|---|---|---|
| 7/30 00:00 | 114.0 | ↑2.0 | |
| 7/30 00:10 | 115.9 | ↑1.9 | |
| 7/30 00:20 | 117.8 | ↑1.9 | |
| 7/30 00:30 | 119.6 | ↑1.8 | |
| 7/30 00:40 | 121.3 | ↑1.7 | |
| 7/30 00:50 | 123.0 | ↑1.7 | |
| 7/30 01:00 | 124.5 | ↑1.5 | |
| 7/30 01:10 | 125.9 | ↑1.4 | |
| 7/30 01:20 | 127.1 | ↑1.2 | |
| 7/30 01:30 | 128.2 | ↑1.1 | |
| 7/30 01:40 | 129.1 | ↑0.9 | |
| 7/30 01:50 | 129.8 | ↑0.7 | |
| 7/30 02:00 | 130.3 | ↑0.5 | |
| 7/30 02:10 | 130.5 | ↑0.2 | 満潮 |
| 7/30 02:20 | 130.6 | ↑0.1 | |
| 7/30 02:30 | 130.4 | ↓-0.2 | |
| 7/30 02:40 | 130.0 | ↓-0.4 | |
| 7/30 02:50 | 129.3 | ↓-0.7 | |
| 7/30 03:00 | 128.4 | ↓-0.9 | |
| 7/30 03:10 | 127.2 | ↓-1.2 | |
| 7/30 03:20 | 125.8 | ↓-1.4 | |
| 7/30 03:30 | 124.1 | ↓-1.7 | |
| 7/30 03:40 | 122.2 | ↓-1.9 | |
| 7/30 03:50 | 120.1 | ↓-2.1 | |
| 7/30 04:00 | 117.7 | ↓-2.4 | |
| 7/30 04:10 | 115.0 | ↓-2.7 | |
| 7/30 04:20 | 112.2 | ↓-2.8 | |
| 7/30 04:30 | 109.1 | ↓-3.1 | |
| 7/30 04:40 | 105.8 | ↓-3.3 | |
| 7/30 04:50 | 102.4 | ↓-3.4 | |
| 7/30 05:00 | 98.8 | ↓-3.6 | |
| 7/30 05:10 | 95.1 | ↓-3.7 | |
| 7/30 05:20 | 91.2 | ↓-3.9 | |
| 7/30 05:30 | 87.2 | ↓-4.0 | |
| 7/30 05:40 | 83.1 | ↓-4.1 | |
| 7/30 05:50 | 79.0 | ↓-4.1 | |
| 7/30 06:00 | 74.8 | ↓-4.2 | 最大潮位差 |
| 7/30 06:10 | 70.6 | ↓-4.2 | 最大潮位差 |
| 7/30 06:20 | 66.4 | ↓-4.2 | 最大潮位差 |
| 7/30 06:30 | 62.3 | ↓-4.1 | |
| 7/30 06:40 | 58.2 | ↓-4.1 | |
| 7/30 06:50 | 54.2 | ↓-4.0 | |
| 7/30 07:00 | 50.3 | ↓-3.9 | |
| 7/30 07:10 | 46.5 | ↓-3.8 | |
| 7/30 07:20 | 42.9 | ↓-3.6 | |
| 7/30 07:30 | 39.4 | ↓-3.5 | |
| 7/30 07:40 | 36.2 | ↓-3.2 | |
| 7/30 07:50 | 33.2 | ↓-3.0 | |
| 7/30 08:00 | 30.4 | ↓-2.8 | |
| 7/30 08:10 | 27.8 | ↓-2.6 | |
| 7/30 08:20 | 25.5 | ↓-2.3 | |
| 7/30 08:30 | 23.5 | ↓-2.0 | |
| 7/30 08:40 | 21.8 | ↓-1.7 | |
| 7/30 08:50 | 20.4 | ↓-1.4 | |
| 7/30 09:00 | 19.3 | ↓-1.1 | |
| 7/30 09:10 | 18.5 | ↓-0.8 | |
| 7/30 09:20 | 18.1 | ↓-0.4 | 干潮 |
| 7/30 09:30 | 18.0 | ↓-0.1 | 干潮 |
| 7/30 09:40 | 18.1 | ↑0.1 | |
| 7/30 09:50 | 18.6 | ↑0.5 | |
| 7/30 10:00 | 19.5 | ↑0.9 | |
| 7/30 10:10 | 20.6 | ↑1.1 | |
| 7/30 10:20 | 22.0 | ↑1.4 | |
| 7/30 10:30 | 23.8 | ↑1.8 | |
| 7/30 10:40 | 25.8 | ↑2.0 | |
| 7/30 10:50 | 28.0 | ↑2.2 | |
| 7/30 11:00 | 30.5 | ↑2.5 | |
| 7/30 11:10 | 33.3 | ↑2.8 | |
| 7/30 11:20 | 36.3 | ↑3.0 | |
| 7/30 11:30 | 39.5 | ↑3.2 | |
| 7/30 11:40 | 42.8 | ↑3.3 | |
| 7/30 11:50 | 46.4 | ↑3.6 | |
| 7/30 12:00 | 50.0 | ↑3.6 | |
| 7/30 12:10 | 53.8 | ↑3.8 | |
| 7/30 12:20 | 57.7 | ↑3.9 | |
| 7/30 12:30 | 61.7 | ↑4.0 | |
| 7/30 12:40 | 65.7 | ↑4.0 | |
| 7/30 12:50 | 69.7 | ↑4.0 | |
| 7/30 13:00 | 73.8 | ↑4.1 | |
| 7/30 13:10 | 77.8 | ↑4.0 | |
| 7/30 13:20 | 81.8 | ↑4.0 | |
| 7/30 13:30 | 85.8 | ↑4.0 | |
| 7/30 13:40 | 89.7 | ↑3.9 | |
| 7/30 13:50 | 93.4 | ↑3.7 | |
| 7/30 14:00 | 97.1 | ↑3.7 | |
| 7/30 14:10 | 100.6 | ↑3.5 | |
| 7/30 14:20 | 104.0 | ↑3.4 | |
| 7/30 14:30 | 107.2 | ↑3.2 | |
| 7/30 14:40 | 110.2 | ↑3.0 | |
| 7/30 14:50 | 113.0 | ↑2.8 | |
| 7/30 15:00 | 115.5 | ↑2.5 | |
| 7/30 15:10 | 117.9 | ↑2.4 | |
| 7/30 15:20 | 120.0 | ↑2.1 | |
| 7/30 15:30 | 121.9 | ↑1.9 | |
| 7/30 15:40 | 123.5 | ↑1.6 | |
| 7/30 15:50 | 124.9 | ↑1.4 | |
| 7/30 16:00 | 126.0 | ↑1.1 | |
| 7/30 16:10 | 126.8 | ↑0.8 | |
| 7/30 16:20 | 127.4 | ↑0.6 | |
| 7/30 16:30 | 127.7 | ↑0.3 | 満潮 |
| 7/30 16:40 | 127.8 | ↑0.1 | |
| 7/30 16:50 | 127.6 | ↓-0.2 | |
| 7/30 17:00 | 127.2 | ↓-0.4 | |
| 7/30 17:10 | 126.6 | ↓-0.6 | |
| 7/30 17:20 | 125.7 | ↓-0.9 | |
| 7/30 17:30 | 124.6 | ↓-1.1 | |
| 7/30 17:40 | 123.4 | ↓-1.2 | |
| 7/30 17:50 | 122.0 | ↓-1.4 | |
| 7/30 18:00 | 120.4 | ↓-1.6 | |
| 7/30 18:10 | 118.7 | ↓-1.7 | |
| 7/30 18:20 | 116.8 | ↓-1.9 | |
| 7/30 18:30 | 114.9 | ↓-1.9 | |
| 7/30 18:40 | 112.9 | ↓-2.0 | |
| 7/30 18:50 | 110.9 | ↓-2.0 | |
| 7/30 19:00 | 108.8 | ↓-2.1 | |
| 7/30 19:10 | 106.7 | ↓-2.1 | |
| 7/30 19:20 | 104.6 | ↓-2.1 | |
| 7/30 19:30 | 102.6 | ↓-2.0 | |
| 7/30 19:40 | 100.6 | ↓-2.0 | |
| 7/30 19:50 | 98.7 | ↓-1.9 | |
| 7/30 20:00 | 96.9 | ↓-1.8 | |
| 7/30 20:10 | 95.2 | ↓-1.7 | |
| 7/30 20:20 | 93.7 | ↓-1.5 | |
| 7/30 20:30 | 92.3 | ↓-1.4 | |
| 7/30 20:40 | 91.0 | ↓-1.3 | |
| 7/30 20:50 | 89.9 | ↓-1.1 | |
| 7/30 21:00 | 89.0 | ↓-0.9 | |
| 7/30 21:10 | 88.3 | ↓-0.7 | |
| 7/30 21:20 | 87.8 | ↓-0.5 | |
| 7/30 21:30 | 87.5 | ↓-0.3 | |
| 7/30 21:40 | 87.4 | ↓-0.1 | 干潮 |
| 7/30 21:50 | 87.5 | ↑0.1 | |
| 7/30 22:00 | 87.8 | ↑0.3 | |
| 7/30 22:10 | 88.3 | ↑0.5 | |
| 7/30 22:20 | 89.0 | ↑0.7 | |
| 7/30 22:30 | 89.9 | ↑0.9 | |
| 7/30 22:40 | 91.0 | ↑1.1 | |
| 7/30 22:50 | 92.2 | ↑1.2 | |
| 7/30 23:00 | 93.6 | ↑1.4 | |
| 7/30 23:10 | 95.2 | ↑1.6 | |
| 7/30 23:20 | 96.9 | ↑1.7 | |
| 7/30 23:30 | 98.7 | ↑1.8 | |
| 7/30 23:40 | 100.6 | ↑1.9 | |
| 7/30 23:50 | 102.6 | ↑2.0 |