| 満潮 | 干潮 | 満潮 | 干潮 |
|
30
(月) |
01:57 | 09:24 | 16:48 | 21:34 |
| 130cm | 17cm | 127cm | 97cm | |
|
||||
那珂湊（茨城）2057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 | 118.6 | ↑1.6 | |
| 7/30 00:10 | 120.1 | ↑1.5 | |
| 7/30 00:20 | 121.5 | ↑1.4 | |
| 7/30 00:30 | 122.9 | ↑1.4 | |
| 7/30 00:40 | 124.2 | ↑1.3 | |
| 7/30 00:50 | 125.3 | ↑1.1 | |
| 7/30 01:00 | 126.4 | ↑1.1 | |
| 7/30 01:10 | 127.3 | ↑0.9 | |
| 7/30 01:20 | 128.0 | ↑0.7 | |
| 7/30 01:30 | 128.6 | ↑0.6 | |
| 7/30 01:40 | 129.0 | ↑0.4 | |
| 7/30 01:50 | 129.2 | ↑0.2 | 満潮 |
| 7/30 02:00 | 129.2 | 0 | |
| 7/30 02:10 | 129.0 | ↓-0.2 | |
| 7/30 02:20 | 128.6 | ↓-0.4 | |
| 7/30 02:30 | 128.0 | ↓-0.6 | |
| 7/30 02:40 | 127.1 | ↓-0.9 | |
| 7/30 02:50 | 126.0 | ↓-1.1 | |
| 7/30 03:00 | 124.7 | ↓-1.3 | |
| 7/30 03:10 | 123.2 | ↓-1.5 | |
| 7/30 03:20 | 121.4 | ↓-1.8 | |
| 7/30 03:30 | 119.4 | ↓-2.0 | |
| 7/30 03:40 | 117.2 | ↓-2.2 | |
| 7/30 03:50 | 114.7 | ↓-2.5 | |
| 7/30 04:00 | 112.1 | ↓-2.6 | |
| 7/30 04:10 | 109.2 | ↓-2.9 | |
| 7/30 04:20 | 106.2 | ↓-3.0 | |
| 7/30 04:30 | 103.0 | ↓-3.2 | |
| 7/30 04:40 | 99.6 | ↓-3.4 | |
| 7/30 04:50 | 96.1 | ↓-3.5 | |
| 7/30 05:00 | 92.4 | ↓-3.7 | |
| 7/30 05:10 | 88.6 | ↓-3.8 | |
| 7/30 05:20 | 84.7 | ↓-3.9 | |
| 7/30 05:30 | 80.8 | ↓-3.9 | |
| 7/30 05:40 | 76.8 | ↓-4.0 | |
| 7/30 05:50 | 72.7 | ↓-4.1 | 最大潮位差 |
| 7/30 06:00 | 68.7 | ↓-4.0 | |
| 7/30 06:10 | 64.6 | ↓-4.1 | 最大潮位差 |
| 7/30 06:20 | 60.6 | ↓-4.0 | |
| 7/30 06:30 | 56.6 | ↓-4.0 | |
| 7/30 06:40 | 52.8 | ↓-3.8 | |
| 7/30 06:50 | 49.0 | ↓-3.8 | |
| 7/30 07:00 | 45.3 | ↓-3.7 | |
| 7/30 07:10 | 41.8 | ↓-3.5 | |
| 7/30 07:20 | 38.4 | ↓-3.4 | |
| 7/30 07:30 | 35.3 | ↓-3.1 | |
| 7/30 07:40 | 32.3 | ↓-3.0 | |
| 7/30 07:50 | 29.5 | ↓-2.8 | |
| 7/30 08:00 | 27.0 | ↓-2.5 | |
| 7/30 08:10 | 24.7 | ↓-2.3 | |
| 7/30 08:20 | 22.7 | ↓-2.0 | |
| 7/30 08:30 | 21.0 | ↓-1.7 | |
| 7/30 08:40 | 19.5 | ↓-1.5 | |
| 7/30 08:50 | 18.4 | ↓-1.1 | |
| 7/30 09:00 | 17.5 | ↓-0.9 | |
| 7/30 09:10 | 17.0 | ↓-0.5 | |
| 7/30 09:20 | 16.7 | ↓-0.3 | 干潮 |
| 7/30 09:30 | 16.8 | ↑0.1 | |
| 7/30 09:40 | 17.2 | ↑0.4 | |
| 7/30 09:50 | 17.8 | ↑0.6 | |
| 7/30 10:00 | 18.8 | ↑1.0 | |
| 7/30 10:10 | 20.0 | ↑1.2 | |
| 7/30 10:20 | 21.6 | ↑1.6 | |
| 7/30 10:30 | 23.4 | ↑1.8 | |
| 7/30 10:40 | 25.5 | ↑2.1 | |
| 7/30 10:50 | 27.8 | ↑2.3 | |
| 7/30 11:00 | 30.3 | ↑2.5 | |
| 7/30 11:10 | 33.1 | ↑2.8 | |
| 7/30 11:20 | 36.1 | ↑3.0 | |
| 7/30 11:30 | 39.2 | ↑3.1 | |
| 7/30 11:40 | 42.6 | ↑3.4 | |
| 7/30 11:50 | 46.1 | ↑3.5 | |
| 7/30 12:00 | 49.7 | ↑3.6 | |
| 7/30 12:10 | 53.4 | ↑3.7 | |
| 7/30 12:20 | 57.2 | ↑3.8 | |
| 7/30 12:30 | 61.0 | ↑3.8 | |
| 7/30 12:40 | 65.0 | ↑4.0 | |
| 7/30 12:50 | 68.9 | ↑3.9 | |
| 7/30 13:00 | 72.9 | ↑4.0 | |
| 7/30 13:10 | 76.8 | ↑3.9 | |
| 7/30 13:20 | 80.7 | ↑3.9 | |
| 7/30 13:30 | 84.5 | ↑3.8 | |
| 7/30 13:40 | 88.3 | ↑3.8 | |
| 7/30 13:50 | 91.9 | ↑3.6 | |
| 7/30 14:00 | 95.5 | ↑3.6 | |
| 7/30 14:10 | 98.9 | ↑3.4 | |
| 7/30 14:20 | 102.2 | ↑3.3 | |
| 7/30 14:30 | 105.3 | ↑3.1 | |
| 7/30 14:40 | 108.3 | ↑3.0 | |
| 7/30 14:50 | 111.0 | ↑2.7 | |
| 7/30 15:00 | 113.6 | ↑2.6 | |
| 7/30 15:10 | 115.9 | ↑2.3 | |
| 7/30 15:20 | 118.0 | ↑2.1 | |
| 7/30 15:30 | 119.9 | ↑1.9 | |
| 7/30 15:40 | 121.6 | ↑1.7 | |
| 7/30 15:50 | 123.0 | ↑1.4 | |
| 7/30 16:00 | 124.2 | ↑1.2 | |
| 7/30 16:10 | 125.2 | ↑1.0 | |
| 7/30 16:20 | 125.9 | ↑0.7 | |
| 7/30 16:30 | 126.4 | ↑0.5 | |
| 7/30 16:40 | 126.7 | ↑0.3 | 満潮 |
| 7/30 16:50 | 126.7 | 0 | |
| 7/30 17:00 | 126.5 | ↓-0.2 | |
| 7/30 17:10 | 126.1 | ↓-0.4 | |
| 7/30 17:20 | 125.6 | ↓-0.5 | |
| 7/30 17:30 | 124.8 | ↓-0.8 | |
| 7/30 17:40 | 123.9 | ↓-0.9 | |
| 7/30 17:50 | 122.8 | ↓-1.1 | |
| 7/30 18:00 | 121.6 | ↓-1.2 | |
| 7/30 18:10 | 120.3 | ↓-1.3 | |
| 7/30 18:20 | 118.8 | ↓-1.5 | |
| 7/30 18:30 | 117.3 | ↓-1.5 | |
| 7/30 18:40 | 115.7 | ↓-1.6 | |
| 7/30 18:50 | 114.1 | ↓-1.6 | |
| 7/30 19:00 | 112.5 | ↓-1.6 | |
| 7/30 19:10 | 110.8 | ↓-1.7 | |
| 7/30 19:20 | 109.2 | ↓-1.6 | |
| 7/30 19:30 | 107.6 | ↓-1.6 | |
| 7/30 19:40 | 106.0 | ↓-1.6 | |
| 7/30 19:50 | 104.5 | ↓-1.5 | |
| 7/30 20:00 | 103.1 | ↓-1.4 | |
| 7/30 20:10 | 101.8 | ↓-1.3 | |
| 7/30 20:20 | 100.6 | ↓-1.2 | |
| 7/30 20:30 | 99.5 | ↓-1.1 | |
| 7/30 20:40 | 98.6 | ↓-0.9 | |
| 7/30 20:50 | 97.8 | ↓-0.8 | |
| 7/30 21:00 | 97.2 | ↓-0.6 | |
| 7/30 21:10 | 96.7 | ↓-0.5 | |
| 7/30 21:20 | 96.4 | ↓-0.3 | |
| 7/30 21:30 | 96.3 | ↓-0.1 | 干潮 |
| 7/30 21:40 | 96.3 | 0 | |
| 7/30 21:50 | 96.5 | ↑0.2 | |
| 7/30 22:00 | 96.8 | ↑0.3 | |
| 7/30 22:10 | 97.4 | ↑0.6 | |
| 7/30 22:20 | 98.1 | ↑0.7 | |
| 7/30 22:30 | 98.9 | ↑0.8 | |
| 7/30 22:40 | 99.9 | ↑1.0 | |
| 7/30 22:50 | 101.0 | ↑1.1 | |
| 7/30 23:00 | 102.2 | ↑1.2 | |
| 7/30 23:10 | 103.6 | ↑1.4 | |
| 7/30 23:20 | 105.0 | ↑1.4 | |
| 7/30 23:30 | 106.6 | ↑1.6 | |
| 7/30 23:40 | 108.2 | ↑1.6 | |
| 7/30 23:50 | 109.8 | ↑1.6 |