| 満潮 | 干潮 | 満潮 | 干潮 |
|
4
(土) |
03:57 | 10:57 | 18:04 | 22:56 |
| 115cm | -1cm | 108cm | 71cm | |
|
||||
那珂湊（茨城）2030年05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 |
|---|---|---|---|
| 5/4 00:00 | 74.1 | ↑1.6 | |
| 5/4 00:10 | 76.0 | ↑1.9 | |
| 5/4 00:20 | 77.9 | ↑1.9 | |
| 5/4 00:30 | 80.0 | ↑2.1 | |
| 5/4 00:40 | 82.1 | ↑2.1 | |
| 5/4 00:50 | 84.3 | ↑2.2 | |
| 5/4 01:00 | 86.5 | ↑2.2 | |
| 5/4 01:10 | 88.8 | ↑2.3 | |
| 5/4 01:20 | 91.1 | ↑2.3 | |
| 5/4 01:30 | 93.4 | ↑2.3 | |
| 5/4 01:40 | 95.6 | ↑2.2 | |
| 5/4 01:50 | 97.9 | ↑2.3 | |
| 5/4 02:00 | 100.0 | ↑2.1 | |
| 5/4 02:10 | 102.1 | ↑2.1 | |
| 5/4 02:20 | 104.0 | ↑1.9 | |
| 5/4 02:30 | 105.8 | ↑1.8 | |
| 5/4 02:40 | 107.5 | ↑1.7 | |
| 5/4 02:50 | 109.1 | ↑1.6 | |
| 5/4 03:00 | 110.4 | ↑1.3 | |
| 5/4 03:10 | 111.6 | ↑1.2 | |
| 5/4 03:20 | 112.5 | ↑0.9 | |
| 5/4 03:30 | 113.3 | ↑0.8 | |
| 5/4 03:40 | 113.8 | ↑0.5 | |
| 5/4 03:50 | 114.1 | ↑0.3 | 満潮 |
| 5/4 04:00 | 114.1 | 0 | |
| 5/4 04:10 | 113.8 | ↓-0.3 | |
| 5/4 04:20 | 113.3 | ↓-0.5 | |
| 5/4 04:30 | 112.5 | ↓-0.8 | |
| 5/4 04:40 | 111.5 | ↓-1.0 | |
| 5/4 04:50 | 110.1 | ↓-1.4 | |
| 5/4 05:00 | 108.5 | ↓-1.6 | |
| 5/4 05:10 | 106.6 | ↓-1.9 | |
| 5/4 05:20 | 104.4 | ↓-2.2 | |
| 5/4 05:30 | 102.0 | ↓-2.4 | |
| 5/4 05:40 | 99.3 | ↓-2.7 | |
| 5/4 05:50 | 96.4 | ↓-2.9 | |
| 5/4 06:00 | 93.2 | ↓-3.2 | |
| 5/4 06:10 | 89.8 | ↓-3.4 | |
| 5/4 06:20 | 86.2 | ↓-3.6 | |
| 5/4 06:30 | 82.4 | ↓-3.8 | |
| 5/4 06:40 | 78.5 | ↓-3.9 | |
| 5/4 06:50 | 74.4 | ↓-4.1 | |
| 5/4 07:00 | 70.2 | ↓-4.2 | |
| 5/4 07:10 | 65.9 | ↓-4.3 | |
| 5/4 07:20 | 61.5 | ↓-4.4 | 最大潮位差 |
| 5/4 07:30 | 57.1 | ↓-4.4 | 最大潮位差 |
| 5/4 07:40 | 52.7 | ↓-4.4 | 最大潮位差 |
| 5/4 07:50 | 48.3 | ↓-4.4 | 最大潮位差 |
| 5/4 08:00 | 43.9 | ↓-4.4 | 最大潮位差 |
| 5/4 08:10 | 39.6 | ↓-4.3 | |
| 5/4 08:20 | 35.5 | ↓-4.1 | |
| 5/4 08:30 | 31.4 | ↓-4.1 | |
| 5/4 08:40 | 27.5 | ↓-3.9 | |
| 5/4 08:50 | 23.7 | ↓-3.8 | |
| 5/4 09:00 | 20.2 | ↓-3.5 | |
| 5/4 09:10 | 16.8 | ↓-3.4 | |
| 5/4 09:20 | 13.7 | ↓-3.1 | |
| 5/4 09:30 | 10.9 | ↓-2.8 | |
| 5/4 09:40 | 8.3 | ↓-2.6 | |
| 5/4 09:50 | 6.1 | ↓-2.2 | |
| 5/4 10:00 | 4.1 | ↓-2.0 | |
| 5/4 10:10 | 2.4 | ↓-1.7 | |
| 5/4 10:20 | 1.1 | ↓-1.3 | |
| 5/4 10:30 | 0.1 | ↓-1.0 | |
| 5/4 10:40 | -0.6 | ↓-0.7 | |
| 5/4 10:50 | -1.0 | ↓-0.4 | 干潮 |
| 5/4 11:00 | -1.0 | 0 | |
| 5/4 11:10 | -0.7 | ↑0.3 | |
| 5/4 11:20 | -0.1 | ↑0.6 | |
| 5/4 11:30 | 0.9 | ↑1.0 | |
| 5/4 11:40 | 2.1 | ↑1.2 | |
| 5/4 11:50 | 3.7 | ↑1.6 | |
| 5/4 12:00 | 5.5 | ↑1.8 | |
| 5/4 12:10 | 7.6 | ↑2.1 | |
| 5/4 12:20 | 10.0 | ↑2.4 | |
| 5/4 12:30 | 12.6 | ↑2.6 | |
| 5/4 12:40 | 15.4 | ↑2.8 | |
| 5/4 12:50 | 18.5 | ↑3.1 | |
| 5/4 13:00 | 21.7 | ↑3.2 | |
| 5/4 13:10 | 25.1 | ↑3.4 | |
| 5/4 13:20 | 28.6 | ↑3.5 | |
| 5/4 13:30 | 32.3 | ↑3.7 | |
| 5/4 13:40 | 36.1 | ↑3.8 | |
| 5/4 13:50 | 40.0 | ↑3.9 | |
| 5/4 14:00 | 43.9 | ↑3.9 | |
| 5/4 14:10 | 47.9 | ↑4.0 | |
| 5/4 14:20 | 51.9 | ↑4.0 | |
| 5/4 14:30 | 55.9 | ↑4.0 | |
| 5/4 14:40 | 59.8 | ↑3.9 | |
| 5/4 14:50 | 63.8 | ↑4.0 | |
| 5/4 15:00 | 67.6 | ↑3.8 | |
| 5/4 15:10 | 71.4 | ↑3.8 | |
| 5/4 15:20 | 75.1 | ↑3.7 | |
| 5/4 15:30 | 78.6 | ↑3.5 | |
| 5/4 15:40 | 82.1 | ↑3.5 | |
| 5/4 15:50 | 85.3 | ↑3.2 | |
| 5/4 16:00 | 88.4 | ↑3.1 | |
| 5/4 16:10 | 91.3 | ↑2.9 | |
| 5/4 16:20 | 94.0 | ↑2.7 | |
| 5/4 16:30 | 96.4 | ↑2.4 | |
| 5/4 16:40 | 98.7 | ↑2.3 | |
| 5/4 16:50 | 100.7 | ↑2.0 | |
| 5/4 17:00 | 102.4 | ↑1.7 | |
| 5/4 17:10 | 103.9 | ↑1.5 | |
| 5/4 17:20 | 105.2 | ↑1.3 | |
| 5/4 17:30 | 106.1 | ↑0.9 | |
| 5/4 17:40 | 106.9 | ↑0.8 | |
| 5/4 17:50 | 107.3 | ↑0.4 | |
| 5/4 18:00 | 107.5 | ↑0.2 | 満潮 |
| 5/4 18:10 | 107.5 | 0 | |
| 5/4 18:20 | 107.2 | ↓-0.3 | |
| 5/4 18:30 | 106.7 | ↓-0.5 | |
| 5/4 18:40 | 105.9 | ↓-0.8 | |
| 5/4 18:50 | 105.0 | ↓-0.9 | |
| 5/4 19:00 | 103.8 | ↓-1.2 | |
| 5/4 19:10 | 102.5 | ↓-1.3 | |
| 5/4 19:20 | 101.0 | ↓-1.5 | |
| 5/4 19:30 | 99.4 | ↓-1.6 | |
| 5/4 19:40 | 97.7 | ↓-1.7 | |
| 5/4 19:50 | 95.8 | ↓-1.9 | |
| 5/4 20:00 | 94.0 | ↓-1.8 | |
| 5/4 20:10 | 92.0 | ↓-2.0 | |
| 5/4 20:20 | 90.0 | ↓-2.0 | |
| 5/4 20:30 | 88.1 | ↓-1.9 | |
| 5/4 20:40 | 86.1 | ↓-2.0 | |
| 5/4 20:50 | 84.2 | ↓-1.9 | |
| 5/4 21:00 | 82.3 | ↓-1.9 | |
| 5/4 21:10 | 80.5 | ↓-1.8 | |
| 5/4 21:20 | 78.9 | ↓-1.6 | |
| 5/4 21:30 | 77.3 | ↓-1.6 | |
| 5/4 21:40 | 75.9 | ↓-1.4 | |
| 5/4 21:50 | 74.6 | ↓-1.3 | |
| 5/4 22:00 | 73.5 | ↓-1.1 | |
| 5/4 22:10 | 72.5 | ↓-1.0 | |
| 5/4 22:20 | 71.8 | ↓-0.7 | |
| 5/4 22:30 | 71.2 | ↓-0.6 | |
| 5/4 22:40 | 70.8 | ↓-0.4 | |
| 5/4 22:50 | 70.6 | ↓-0.2 | 干潮 |
| 5/4 23:00 | 70.6 | 0 | |
| 5/4 23:10 | 70.8 | ↑0.2 | |
| 5/4 23:20 | 71.2 | ↑0.4 | |
| 5/4 23:30 | 71.8 | ↑0.6 | |
| 5/4 23:40 | 72.6 | ↑0.8 | |
| 5/4 23:50 | 73.5 | ↑0.9 |