| 満潮 | 干潮 | 満潮 | 干潮 |
|
4
(日) |
03:48 | 11:12 | 18:41 | 23:21 |
| 129cm | 2cm | 127cm | 95cm | |
|
||||
那珂湊（茨城）2038年07月4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 |
|---|---|---|---|
| 7/4 00:00 | 99.0 | ↑1.2 | |
| 7/4 00:10 | 100.3 | ↑1.3 | |
| 7/4 00:20 | 101.7 | ↑1.4 | |
| 7/4 00:30 | 103.3 | ↑1.6 | |
| 7/4 00:40 | 104.9 | ↑1.6 | |
| 7/4 00:50 | 106.5 | ↑1.6 | |
| 7/4 01:00 | 108.2 | ↑1.7 | |
| 7/4 01:10 | 110.0 | ↑1.8 | |
| 7/4 01:20 | 111.7 | ↑1.7 | |
| 7/4 01:30 | 113.5 | ↑1.8 | |
| 7/4 01:40 | 115.3 | ↑1.8 | |
| 7/4 01:50 | 117.0 | ↑1.7 | |
| 7/4 02:00 | 118.7 | ↑1.7 | |
| 7/4 02:10 | 120.3 | ↑1.6 | |
| 7/4 02:20 | 121.8 | ↑1.5 | |
| 7/4 02:30 | 123.2 | ↑1.4 | |
| 7/4 02:40 | 124.5 | ↑1.3 | |
| 7/4 02:50 | 125.6 | ↑1.1 | |
| 7/4 03:00 | 126.6 | ↑1.0 | |
| 7/4 03:10 | 127.5 | ↑0.9 | |
| 7/4 03:20 | 128.2 | ↑0.7 | |
| 7/4 03:30 | 128.6 | ↑0.4 | |
| 7/4 03:40 | 128.9 | ↑0.3 | 満潮 |
| 7/4 03:50 | 128.9 | 0 | |
| 7/4 04:00 | 128.8 | ↓-0.1 | |
| 7/4 04:10 | 128.4 | ↓-0.4 | |
| 7/4 04:20 | 127.7 | ↓-0.7 | |
| 7/4 04:30 | 126.8 | ↓-0.9 | |
| 7/4 04:40 | 125.6 | ↓-1.2 | |
| 7/4 04:50 | 124.2 | ↓-1.4 | |
| 7/4 05:00 | 122.5 | ↓-1.7 | |
| 7/4 05:10 | 120.5 | ↓-2.0 | |
| 7/4 05:20 | 118.3 | ↓-2.2 | |
| 7/4 05:30 | 115.8 | ↓-2.5 | |
| 7/4 05:40 | 113.1 | ↓-2.7 | |
| 7/4 05:50 | 110.1 | ↓-3.0 | |
| 7/4 06:00 | 106.8 | ↓-3.3 | |
| 7/4 06:10 | 103.4 | ↓-3.4 | |
| 7/4 06:20 | 99.7 | ↓-3.7 | |
| 7/4 06:30 | 95.9 | ↓-3.8 | |
| 7/4 06:40 | 91.8 | ↓-4.1 | |
| 7/4 06:50 | 87.6 | ↓-4.2 | |
| 7/4 07:00 | 83.3 | ↓-4.3 | |
| 7/4 07:10 | 78.8 | ↓-4.5 | |
| 7/4 07:20 | 74.3 | ↓-4.5 | |
| 7/4 07:30 | 69.7 | ↓-4.6 | |
| 7/4 07:40 | 65.0 | ↓-4.7 | 最大潮位差 |
| 7/4 07:50 | 60.3 | ↓-4.7 | 最大潮位差 |
| 7/4 08:00 | 55.7 | ↓-4.6 | |
| 7/4 08:10 | 51.1 | ↓-4.6 | |
| 7/4 08:20 | 46.5 | ↓-4.6 | |
| 7/4 08:30 | 42.0 | ↓-4.5 | |
| 7/4 08:40 | 37.7 | ↓-4.3 | |
| 7/4 08:50 | 33.5 | ↓-4.2 | |
| 7/4 09:00 | 29.5 | ↓-4.0 | |
| 7/4 09:10 | 25.6 | ↓-3.9 | |
| 7/4 09:20 | 22.0 | ↓-3.6 | |
| 7/4 09:30 | 18.7 | ↓-3.3 | |
| 7/4 09:40 | 15.6 | ↓-3.1 | |
| 7/4 09:50 | 12.7 | ↓-2.9 | |
| 7/4 10:00 | 10.2 | ↓-2.5 | |
| 7/4 10:10 | 8.0 | ↓-2.2 | |
| 7/4 10:20 | 6.1 | ↓-1.9 | |
| 7/4 10:30 | 4.5 | ↓-1.6 | |
| 7/4 10:40 | 3.3 | ↓-1.2 | |
| 7/4 10:50 | 2.4 | ↓-0.9 | |
| 7/4 11:00 | 1.9 | ↓-0.5 | |
| 7/4 11:10 | 1.7 | ↓-0.2 | 干潮 |
| 7/4 11:20 | 1.8 | ↑0.1 | |
| 7/4 11:30 | 2.3 | ↑0.5 | |
| 7/4 11:40 | 3.2 | ↑0.9 | |
| 7/4 11:50 | 4.3 | ↑1.1 | |
| 7/4 12:00 | 5.8 | ↑1.5 | |
| 7/4 12:10 | 7.6 | ↑1.8 | |
| 7/4 12:20 | 9.7 | ↑2.1 | |
| 7/4 12:30 | 12.0 | ↑2.3 | |
| 7/4 12:40 | 14.7 | ↑2.7 | |
| 7/4 12:50 | 17.5 | ↑2.8 | |
| 7/4 13:00 | 20.7 | ↑3.2 | |
| 7/4 13:10 | 24.0 | ↑3.3 | |
| 7/4 13:20 | 27.5 | ↑3.5 | |
| 7/4 13:30 | 31.2 | ↑3.7 | |
| 7/4 13:40 | 35.1 | ↑3.9 | |
| 7/4 13:50 | 39.1 | ↑4.0 | |
| 7/4 14:00 | 43.2 | ↑4.1 | |
| 7/4 14:10 | 47.4 | ↑4.2 | |
| 7/4 14:20 | 51.7 | ↑4.3 | |
| 7/4 14:30 | 56.1 | ↑4.4 | |
| 7/4 14:40 | 60.4 | ↑4.3 | |
| 7/4 14:50 | 64.8 | ↑4.4 | |
| 7/4 15:00 | 69.2 | ↑4.4 | |
| 7/4 15:10 | 73.5 | ↑4.3 | |
| 7/4 15:20 | 77.8 | ↑4.3 | |
| 7/4 15:30 | 82.0 | ↑4.2 | |
| 7/4 15:40 | 86.1 | ↑4.1 | |
| 7/4 15:50 | 90.1 | ↑4.0 | |
| 7/4 16:00 | 93.9 | ↑3.8 | |
| 7/4 16:10 | 97.6 | ↑3.7 | |
| 7/4 16:20 | 101.2 | ↑3.6 | |
| 7/4 16:30 | 104.5 | ↑3.3 | |
| 7/4 16:40 | 107.6 | ↑3.1 | |
| 7/4 16:50 | 110.6 | ↑3.0 | |
| 7/4 17:00 | 113.3 | ↑2.7 | |
| 7/4 17:10 | 115.7 | ↑2.4 | |
| 7/4 17:20 | 117.9 | ↑2.2 | |
| 7/4 17:30 | 119.9 | ↑2.0 | |
| 7/4 17:40 | 121.6 | ↑1.7 | |
| 7/4 17:50 | 123.0 | ↑1.4 | |
| 7/4 18:00 | 124.2 | ↑1.2 | |
| 7/4 18:10 | 125.1 | ↑0.9 | |
| 7/4 18:20 | 125.7 | ↑0.6 | |
| 7/4 18:30 | 126.1 | ↑0.4 | |
| 7/4 18:40 | 126.2 | ↑0.1 | 満潮 |
| 7/4 18:50 | 126.1 | ↓-0.1 | |
| 7/4 19:00 | 125.8 | ↓-0.3 | |
| 7/4 19:10 | 125.2 | ↓-0.6 | |
| 7/4 19:20 | 124.4 | ↓-0.8 | |
| 7/4 19:30 | 123.5 | ↓-0.9 | |
| 7/4 19:40 | 122.3 | ↓-1.2 | |
| 7/4 19:50 | 121.0 | ↓-1.3 | |
| 7/4 20:00 | 119.6 | ↓-1.4 | |
| 7/4 20:10 | 118.1 | ↓-1.5 | |
| 7/4 20:20 | 116.5 | ↓-1.6 | |
| 7/4 20:30 | 114.8 | ↓-1.7 | |
| 7/4 20:40 | 113.0 | ↓-1.8 | |
| 7/4 20:50 | 111.3 | ↓-1.7 | |
| 7/4 21:00 | 109.5 | ↓-1.8 | |
| 7/4 21:10 | 107.7 | ↓-1.8 | |
| 7/4 21:20 | 106.0 | ↓-1.7 | |
| 7/4 21:30 | 104.4 | ↓-1.6 | |
| 7/4 21:40 | 102.8 | ↓-1.6 | |
| 7/4 21:50 | 101.4 | ↓-1.4 | |
| 7/4 22:00 | 100.0 | ↓-1.4 | |
| 7/4 22:10 | 98.8 | ↓-1.2 | |
| 7/4 22:20 | 97.7 | ↓-1.1 | |
| 7/4 22:30 | 96.7 | ↓-1.0 | |
| 7/4 22:40 | 96.0 | ↓-0.7 | |
| 7/4 22:50 | 95.4 | ↓-0.6 | |
| 7/4 23:00 | 94.9 | ↓-0.5 | |
| 7/4 23:10 | 94.6 | ↓-0.3 | |
| 7/4 23:20 | 94.6 | 0 | 干潮 |
| 7/4 23:30 | 94.7 | ↑0.1 | |
| 7/4 23:40 | 94.9 | ↑0.2 | |
| 7/4 23:50 | 95.3 | ↑0.4 |