| 満潮 | 干潮 | 満潮 | 干潮 |
|
30
(金) |
01:28 | 08:59 | 16:25 | 21:10 |
| 129cm | 18cm | 127cm | 97cm | |
|
||||
那珂湊（茨城）2038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 | 122.5 | ↑1.3 | |
| 7/30 00:10 | 123.8 | ↑1.3 | |
| 7/30 00:20 | 124.9 | ↑1.1 | |
| 7/30 00:30 | 126.0 | ↑1.1 | |
| 7/30 00:40 | 126.9 | ↑0.9 | |
| 7/30 00:50 | 127.6 | ↑0.7 | |
| 7/30 01:00 | 128.2 | ↑0.6 | |
| 7/30 01:10 | 128.6 | ↑0.4 | |
| 7/30 01:20 | 128.8 | ↑0.2 | 満潮 |
| 7/30 01:30 | 128.9 | ↑0.1 | |
| 7/30 01:40 | 128.7 | ↓-0.2 | |
| 7/30 01:50 | 128.3 | ↓-0.4 | |
| 7/30 02:00 | 127.7 | ↓-0.6 | |
| 7/30 02:10 | 126.9 | ↓-0.8 | |
| 7/30 02:20 | 125.9 | ↓-1.0 | |
| 7/30 02:30 | 124.6 | ↓-1.3 | |
| 7/30 02:40 | 123.1 | ↓-1.5 | |
| 7/30 02:50 | 121.4 | ↓-1.7 | |
| 7/30 03:00 | 119.5 | ↓-1.9 | |
| 7/30 03:10 | 117.4 | ↓-2.1 | |
| 7/30 03:20 | 115.0 | ↓-2.4 | |
| 7/30 03:30 | 112.4 | ↓-2.6 | |
| 7/30 03:40 | 109.7 | ↓-2.7 | |
| 7/30 03:50 | 106.7 | ↓-3.0 | |
| 7/30 04:00 | 103.6 | ↓-3.1 | |
| 7/30 04:10 | 100.3 | ↓-3.3 | |
| 7/30 04:20 | 96.9 | ↓-3.4 | |
| 7/30 04:30 | 93.3 | ↓-3.6 | |
| 7/30 04:40 | 89.6 | ↓-3.7 | |
| 7/30 04:50 | 85.9 | ↓-3.7 | |
| 7/30 05:00 | 82.0 | ↓-3.9 | |
| 7/30 05:10 | 78.1 | ↓-3.9 | |
| 7/30 05:20 | 74.1 | ↓-4.0 | 最大潮位差 |
| 7/30 05:30 | 70.1 | ↓-4.0 | 最大潮位差 |
| 7/30 05:40 | 66.2 | ↓-3.9 | |
| 7/30 05:50 | 62.2 | ↓-4.0 | 最大潮位差 |
| 7/30 06:00 | 58.3 | ↓-3.9 | |
| 7/30 06:10 | 54.4 | ↓-3.9 | |
| 7/30 06:20 | 50.7 | ↓-3.7 | |
| 7/30 06:30 | 47.0 | ↓-3.7 | |
| 7/30 06:40 | 43.5 | ↓-3.5 | |
| 7/30 06:50 | 40.1 | ↓-3.4 | |
| 7/30 07:00 | 36.9 | ↓-3.2 | |
| 7/30 07:10 | 33.9 | ↓-3.0 | |
| 7/30 07:20 | 31.0 | ↓-2.9 | |
| 7/30 07:30 | 28.4 | ↓-2.6 | |
| 7/30 07:40 | 26.1 | ↓-2.3 | |
| 7/30 07:50 | 24.0 | ↓-2.1 | |
| 7/30 08:00 | 22.1 | ↓-1.9 | |
| 7/30 08:10 | 20.6 | ↓-1.5 | |
| 7/30 08:20 | 19.3 | ↓-1.3 | |
| 7/30 08:30 | 18.3 | ↓-1.0 | |
| 7/30 08:40 | 17.6 | ↓-0.7 | |
| 7/30 08:50 | 17.2 | ↓-0.4 | 干潮 |
| 7/30 09:00 | 17.1 | ↓-0.1 | |
| 7/30 09:10 | 17.3 | ↑0.2 | |
| 7/30 09:20 | 17.8 | ↑0.5 | |
| 7/30 09:30 | 18.7 | ↑0.9 | |
| 7/30 09:40 | 19.8 | ↑1.1 | |
| 7/30 09:50 | 21.1 | ↑1.3 | |
| 7/30 10:00 | 22.8 | ↑1.7 | |
| 7/30 10:10 | 24.7 | ↑1.9 | |
| 7/30 10:20 | 26.9 | ↑2.2 | |
| 7/30 10:30 | 29.3 | ↑2.4 | |
| 7/30 10:40 | 31.9 | ↑2.6 | |
| 7/30 10:50 | 34.8 | ↑2.9 | |
| 7/30 11:00 | 37.8 | ↑3.0 | |
| 7/30 11:10 | 41.1 | ↑3.3 | |
| 7/30 11:20 | 44.4 | ↑3.3 | |
| 7/30 11:30 | 47.9 | ↑3.5 | |
| 7/30 11:40 | 51.6 | ↑3.7 | |
| 7/30 11:50 | 55.3 | ↑3.7 | |
| 7/30 12:00 | 59.1 | ↑3.8 | |
| 7/30 12:10 | 62.9 | ↑3.8 | |
| 7/30 12:20 | 66.8 | ↑3.9 | |
| 7/30 12:30 | 70.7 | ↑3.9 | |
| 7/30 12:40 | 74.6 | ↑3.9 | |
| 7/30 12:50 | 78.5 | ↑3.9 | |
| 7/30 13:00 | 82.3 | ↑3.8 | |
| 7/30 13:10 | 86.1 | ↑3.8 | |
| 7/30 13:20 | 89.8 | ↑3.7 | |
| 7/30 13:30 | 93.3 | ↑3.5 | |
| 7/30 13:40 | 96.8 | ↑3.5 | |
| 7/30 13:50 | 100.1 | ↑3.3 | |
| 7/30 14:00 | 103.3 | ↑3.2 | |
| 7/30 14:10 | 106.3 | ↑3.0 | |
| 7/30 14:20 | 109.1 | ↑2.8 | |
| 7/30 14:30 | 111.7 | ↑2.6 | |
| 7/30 14:40 | 114.1 | ↑2.4 | |
| 7/30 14:50 | 116.4 | ↑2.3 | |
| 7/30 15:00 | 118.4 | ↑2.0 | |
| 7/30 15:10 | 120.2 | ↑1.8 | |
| 7/30 15:20 | 121.7 | ↑1.5 | |
| 7/30 15:30 | 123.0 | ↑1.3 | |
| 7/30 15:40 | 124.1 | ↑1.1 | |
| 7/30 15:50 | 125.0 | ↑0.9 | |
| 7/30 16:00 | 125.6 | ↑0.6 | |
| 7/30 16:10 | 126.0 | ↑0.4 | |
| 7/30 16:20 | 126.2 | ↑0.2 | 満潮 |
| 7/30 16:30 | 126.2 | 0 | |
| 7/30 16:40 | 126.0 | ↓-0.2 | |
| 7/30 16:50 | 125.5 | ↓-0.5 | |
| 7/30 17:00 | 124.9 | ↓-0.6 | |
| 7/30 17:10 | 124.1 | ↓-0.8 | |
| 7/30 17:20 | 123.2 | ↓-0.9 | |
| 7/30 17:30 | 122.1 | ↓-1.1 | |
| 7/30 17:40 | 120.9 | ↓-1.2 | |
| 7/30 17:50 | 119.6 | ↓-1.3 | |
| 7/30 18:00 | 118.2 | ↓-1.4 | |
| 7/30 18:10 | 116.7 | ↓-1.5 | |
| 7/30 18:20 | 115.1 | ↓-1.6 | |
| 7/30 18:30 | 113.5 | ↓-1.6 | |
| 7/30 18:40 | 111.9 | ↓-1.6 | |
| 7/30 18:50 | 110.3 | ↓-1.6 | |
| 7/30 19:00 | 108.7 | ↓-1.6 | |
| 7/30 19:10 | 107.2 | ↓-1.5 | |
| 7/30 19:20 | 105.7 | ↓-1.5 | |
| 7/30 19:30 | 104.3 | ↓-1.4 | |
| 7/30 19:40 | 102.9 | ↓-1.4 | |
| 7/30 19:50 | 101.7 | ↓-1.2 | |
| 7/30 20:00 | 100.6 | ↓-1.1 | |
| 7/30 20:10 | 99.6 | ↓-1.0 | |
| 7/30 20:20 | 98.7 | ↓-0.9 | |
| 7/30 20:30 | 98.0 | ↓-0.7 | |
| 7/30 20:40 | 97.5 | ↓-0.5 | |
| 7/30 20:50 | 97.1 | ↓-0.4 | |
| 7/30 21:00 | 96.8 | ↓-0.3 | 干潮 |
| 7/30 21:10 | 96.8 | 0 | 干潮 |
| 7/30 21:20 | 96.9 | ↑0.1 | |
| 7/30 21:30 | 97.1 | ↑0.2 | |
| 7/30 21:40 | 97.6 | ↑0.5 | |
| 7/30 21:50 | 98.2 | ↑0.6 | |
| 7/30 22:00 | 99.0 | ↑0.8 | |
| 7/30 22:10 | 99.9 | ↑0.9 | |
| 7/30 22:20 | 100.9 | ↑1.0 | |
| 7/30 22:30 | 102.1 | ↑1.2 | |
| 7/30 22:40 | 103.4 | ↑1.3 | |
| 7/30 22:50 | 104.8 | ↑1.4 | |
| 7/30 23:00 | 106.3 | ↑1.5 | |
| 7/30 23:10 | 107.9 | ↑1.6 | |
| 7/30 23:20 | 109.6 | ↑1.7 | |
| 7/30 23:30 | 111.3 | ↑1.7 | |
| 7/30 23:40 | 113.0 | ↑1.7 | |
| 7/30 23:50 | 114.8 | ↑1.8 |