| 満潮 | 干潮 | 満潮 | 干潮 |
|
4
(土) |
03:58 | 11:00 | 17:52 | 22:56 |
| 127cm | 3cm | 117cm | 73cm | |
|
||||
日立（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 | 78.7 | ↑1.9 | |
| 5/4 00:10 | 80.8 | ↑2.1 | |
| 5/4 00:20 | 83.1 | ↑2.3 | |
| 5/4 00:30 | 85.5 | ↑2.4 | |
| 5/4 00:40 | 88.1 | ↑2.6 | |
| 5/4 00:50 | 90.7 | ↑2.6 | |
| 5/4 01:00 | 93.4 | ↑2.7 | |
| 5/4 01:10 | 96.2 | ↑2.8 | |
| 5/4 01:20 | 99.0 | ↑2.8 | |
| 5/4 01:30 | 101.8 | ↑2.8 | |
| 5/4 01:40 | 104.5 | ↑2.7 | |
| 5/4 01:50 | 107.2 | ↑2.7 | |
| 5/4 02:00 | 109.9 | ↑2.7 | |
| 5/4 02:10 | 112.3 | ↑2.4 | |
| 5/4 02:20 | 114.7 | ↑2.4 | |
| 5/4 02:30 | 116.9 | ↑2.2 | |
| 5/4 02:40 | 118.9 | ↑2.0 | |
| 5/4 02:50 | 120.7 | ↑1.8 | |
| 5/4 03:00 | 122.3 | ↑1.6 | |
| 5/4 03:10 | 123.7 | ↑1.4 | |
| 5/4 03:20 | 124.8 | ↑1.1 | |
| 5/4 03:30 | 125.7 | ↑0.9 | |
| 5/4 03:40 | 126.3 | ↑0.6 | |
| 5/4 03:50 | 126.6 | ↑0.3 | 満潮 |
| 5/4 04:00 | 126.6 | 0 | |
| 5/4 04:10 | 126.4 | ↓-0.2 | |
| 5/4 04:20 | 125.9 | ↓-0.5 | |
| 5/4 04:30 | 125.1 | ↓-0.8 | |
| 5/4 04:40 | 124.0 | ↓-1.1 | |
| 5/4 04:50 | 122.6 | ↓-1.4 | |
| 5/4 05:00 | 120.9 | ↓-1.7 | |
| 5/4 05:10 | 118.9 | ↓-2.0 | |
| 5/4 05:20 | 116.7 | ↓-2.2 | |
| 5/4 05:30 | 114.1 | ↓-2.6 | |
| 5/4 05:40 | 111.3 | ↓-2.8 | |
| 5/4 05:50 | 108.1 | ↓-3.2 | |
| 5/4 06:00 | 104.8 | ↓-3.3 | |
| 5/4 06:10 | 101.1 | ↓-3.7 | |
| 5/4 06:20 | 97.3 | ↓-3.8 | |
| 5/4 06:30 | 93.2 | ↓-4.1 | |
| 5/4 06:40 | 88.9 | ↓-4.3 | |
| 5/4 06:50 | 84.5 | ↓-4.4 | |
| 5/4 07:00 | 80.0 | ↓-4.5 | |
| 5/4 07:10 | 75.3 | ↓-4.7 | |
| 5/4 07:20 | 70.5 | ↓-4.8 | 最大潮位差 |
| 5/4 07:30 | 65.7 | ↓-4.8 | 最大潮位差 |
| 5/4 07:40 | 60.9 | ↓-4.8 | 最大潮位差 |
| 5/4 07:50 | 56.2 | ↓-4.7 | |
| 5/4 08:00 | 51.4 | ↓-4.8 | 最大潮位差 |
| 5/4 08:10 | 46.8 | ↓-4.6 | |
| 5/4 08:20 | 42.2 | ↓-4.6 | |
| 5/4 08:30 | 37.8 | ↓-4.4 | |
| 5/4 08:40 | 33.6 | ↓-4.2 | |
| 5/4 08:50 | 29.6 | ↓-4.0 | |
| 5/4 09:00 | 25.8 | ↓-3.8 | |
| 5/4 09:10 | 22.2 | ↓-3.6 | |
| 5/4 09:20 | 18.9 | ↓-3.3 | |
| 5/4 09:30 | 15.8 | ↓-3.1 | |
| 5/4 09:40 | 13.1 | ↓-2.7 | |
| 5/4 09:50 | 10.6 | ↓-2.5 | |
| 5/4 10:00 | 8.4 | ↓-2.2 | |
| 5/4 10:10 | 6.6 | ↓-1.8 | |
| 5/4 10:20 | 5.1 | ↓-1.5 | |
| 5/4 10:30 | 3.9 | ↓-1.2 | |
| 5/4 10:40 | 3.1 | ↓-0.8 | |
| 5/4 10:50 | 2.6 | ↓-0.5 | 干潮 |
| 5/4 11:00 | 2.5 | ↓-0.1 | 干潮 |
| 5/4 11:10 | 2.7 | ↑0.2 | |
| 5/4 11:20 | 3.2 | ↑0.5 | |
| 5/4 11:30 | 4.2 | ↑1.0 | |
| 5/4 11:40 | 5.4 | ↑1.2 | |
| 5/4 11:50 | 7.1 | ↑1.7 | |
| 5/4 12:00 | 9.0 | ↑1.9 | |
| 5/4 12:10 | 11.3 | ↑2.3 | |
| 5/4 12:20 | 13.9 | ↑2.6 | |
| 5/4 12:30 | 16.8 | ↑2.9 | |
| 5/4 12:40 | 20.0 | ↑3.2 | |
| 5/4 12:50 | 23.4 | ↑3.4 | |
| 5/4 13:00 | 27.1 | ↑3.7 | |
| 5/4 13:10 | 31.0 | ↑3.9 | |
| 5/4 13:20 | 35.0 | ↑4.0 | |
| 5/4 13:30 | 39.3 | ↑4.3 | |
| 5/4 13:40 | 43.6 | ↑4.3 | |
| 5/4 13:50 | 48.0 | ↑4.4 | |
| 5/4 14:00 | 52.5 | ↑4.5 | |
| 5/4 14:10 | 56.9 | ↑4.4 | |
| 5/4 14:20 | 61.4 | ↑4.5 | |
| 5/4 14:30 | 65.8 | ↑4.4 | |
| 5/4 14:40 | 70.2 | ↑4.4 | |
| 5/4 14:50 | 74.5 | ↑4.3 | |
| 5/4 15:00 | 78.6 | ↑4.1 | |
| 5/4 15:10 | 82.6 | ↑4.0 | |
| 5/4 15:20 | 86.5 | ↑3.9 | |
| 5/4 15:30 | 90.2 | ↑3.7 | |
| 5/4 15:40 | 93.6 | ↑3.4 | |
| 5/4 15:50 | 96.9 | ↑3.3 | |
| 5/4 16:00 | 99.9 | ↑3.0 | |
| 5/4 16:10 | 102.8 | ↑2.9 | |
| 5/4 16:20 | 105.3 | ↑2.5 | |
| 5/4 16:30 | 107.7 | ↑2.4 | |
| 5/4 16:40 | 109.7 | ↑2.0 | |
| 5/4 16:50 | 111.5 | ↑1.8 | |
| 5/4 17:00 | 113.1 | ↑1.6 | |
| 5/4 17:10 | 114.3 | ↑1.2 | |
| 5/4 17:20 | 115.3 | ↑1.0 | |
| 5/4 17:30 | 116.0 | ↑0.7 | |
| 5/4 17:40 | 116.5 | ↑0.5 | |
| 5/4 17:50 | 116.6 | ↑0.1 | 満潮 |
| 5/4 18:00 | 116.5 | ↓-0.1 | |
| 5/4 18:10 | 116.1 | ↓-0.4 | |
| 5/4 18:20 | 115.5 | ↓-0.6 | |
| 5/4 18:30 | 114.6 | ↓-0.9 | |
| 5/4 18:40 | 113.5 | ↓-1.1 | |
| 5/4 18:50 | 112.1 | ↓-1.4 | |
| 5/4 19:00 | 110.6 | ↓-1.5 | |
| 5/4 19:10 | 108.9 | ↓-1.7 | |
| 5/4 19:20 | 107.0 | ↓-1.9 | |
| 5/4 19:30 | 105.0 | ↓-2.0 | |
| 5/4 19:40 | 102.9 | ↓-2.1 | |
| 5/4 19:50 | 100.7 | ↓-2.2 | |
| 5/4 20:00 | 98.4 | ↓-2.3 | |
| 5/4 20:10 | 96.1 | ↓-2.3 | |
| 5/4 20:20 | 93.9 | ↓-2.2 | |
| 5/4 20:30 | 91.6 | ↓-2.3 | |
| 5/4 20:40 | 89.4 | ↓-2.2 | |
| 5/4 20:50 | 87.2 | ↓-2.2 | |
| 5/4 21:00 | 85.2 | ↓-2.0 | |
| 5/4 21:10 | 83.3 | ↓-1.9 | |
| 5/4 21:20 | 81.5 | ↓-1.8 | |
| 5/4 21:30 | 79.8 | ↓-1.7 | |
| 5/4 21:40 | 78.3 | ↓-1.5 | |
| 5/4 21:50 | 76.9 | ↓-1.4 | |
| 5/4 22:00 | 75.8 | ↓-1.1 | |
| 5/4 22:10 | 74.8 | ↓-1.0 | |
| 5/4 22:20 | 74.0 | ↓-0.8 | |
| 5/4 22:30 | 73.3 | ↓-0.7 | |
| 5/4 22:40 | 72.9 | ↓-0.4 | |
| 5/4 22:50 | 72.7 | ↓-0.2 | 干潮 |
| 5/4 23:00 | 72.7 | 0 | |
| 5/4 23:10 | 72.9 | ↑0.2 | |
| 5/4 23:20 | 73.3 | ↑0.4 | |
| 5/4 23:30 | 73.9 | ↑0.6 | |
| 5/4 23:40 | 74.8 | ↑0.9 | |
| 5/4 23:50 | 75.8 | ↑1.0 |