| 満潮 | 干潮 | 満潮 | 干潮 |
|
4
(月) |
06:34 | 01:26 | 22:08 | 14:18 |
| 105cm | 85cm | 99cm | 12cm | |
|
||||
那珂湊（茨城）2048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 | 88.0 | ↓-0.8 | |
| 5/4 00:10 | 87.3 | ↓-0.7 | |
| 5/4 00:20 | 86.6 | ↓-0.7 | |
| 5/4 00:30 | 86.0 | ↓-0.6 | |
| 5/4 00:40 | 85.5 | ↓-0.5 | |
| 5/4 00:50 | 85.1 | ↓-0.4 | |
| 5/4 01:00 | 84.8 | ↓-0.3 | |
| 5/4 01:10 | 84.6 | ↓-0.2 | |
| 5/4 01:20 | 84.5 | ↓-0.1 | 干潮 |
| 5/4 01:30 | 84.6 | ↑0.1 | |
| 5/4 01:40 | 84.7 | ↑0.1 | |
| 5/4 01:50 | 84.9 | ↑0.2 | |
| 5/4 02:00 | 85.2 | ↑0.3 | |
| 5/4 02:10 | 85.5 | ↑0.3 | |
| 5/4 02:20 | 86.0 | ↑0.5 | |
| 5/4 02:30 | 86.6 | ↑0.6 | |
| 5/4 02:40 | 87.2 | ↑0.6 | |
| 5/4 02:50 | 87.9 | ↑0.7 | |
| 5/4 03:00 | 88.6 | ↑0.7 | |
| 5/4 03:10 | 89.4 | ↑0.8 | |
| 5/4 03:20 | 90.3 | ↑0.9 | |
| 5/4 03:30 | 91.2 | ↑0.9 | |
| 5/4 03:40 | 92.1 | ↑0.9 | |
| 5/4 03:50 | 93.1 | ↑1.0 | |
| 5/4 04:00 | 94.0 | ↑0.9 | |
| 5/4 04:10 | 95.0 | ↑1.0 | |
| 5/4 04:20 | 96.0 | ↑1.0 | |
| 5/4 04:30 | 97.0 | ↑1.0 | |
| 5/4 04:40 | 97.9 | ↑0.9 | |
| 5/4 04:50 | 98.8 | ↑0.9 | |
| 5/4 05:00 | 99.7 | ↑0.9 | |
| 5/4 05:10 | 100.6 | ↑0.9 | |
| 5/4 05:20 | 101.3 | ↑0.7 | |
| 5/4 05:30 | 102.1 | ↑0.8 | |
| 5/4 05:40 | 102.7 | ↑0.6 | |
| 5/4 05:50 | 103.2 | ↑0.5 | |
| 5/4 06:00 | 103.7 | ↑0.5 | |
| 5/4 06:10 | 104.1 | ↑0.4 | |
| 5/4 06:20 | 104.3 | ↑0.2 | |
| 5/4 06:30 | 104.4 | ↑0.1 | 満潮 |
| 5/4 06:40 | 104.3 | ↓-0.1 | |
| 5/4 06:50 | 104.2 | ↓-0.1 | |
| 5/4 07:00 | 103.8 | ↓-0.4 | |
| 5/4 07:10 | 103.3 | ↓-0.5 | |
| 5/4 07:20 | 102.7 | ↓-0.6 | |
| 5/4 07:30 | 101.8 | ↓-0.9 | |
| 5/4 07:40 | 100.8 | ↓-1.0 | |
| 5/4 07:50 | 99.6 | ↓-1.2 | |
| 5/4 08:00 | 98.2 | ↓-1.4 | |
| 5/4 08:10 | 96.7 | ↓-1.5 | |
| 5/4 08:20 | 94.9 | ↓-1.8 | |
| 5/4 08:30 | 93.0 | ↓-1.9 | |
| 5/4 08:40 | 90.9 | ↓-2.1 | |
| 5/4 08:50 | 88.6 | ↓-2.3 | |
| 5/4 09:00 | 86.2 | ↓-2.4 | |
| 5/4 09:10 | 83.6 | ↓-2.6 | |
| 5/4 09:20 | 80.9 | ↓-2.7 | |
| 5/4 09:30 | 78.0 | ↓-2.9 | |
| 5/4 09:40 | 75.0 | ↓-3.0 | |
| 5/4 09:50 | 72.0 | ↓-3.0 | |
| 5/4 10:00 | 68.8 | ↓-3.2 | |
| 5/4 10:10 | 65.6 | ↓-3.2 | |
| 5/4 10:20 | 62.3 | ↓-3.3 | 最大潮位差 |
| 5/4 10:30 | 59.0 | ↓-3.3 | 最大潮位差 |
| 5/4 10:40 | 55.7 | ↓-3.3 | 最大潮位差 |
| 5/4 10:50 | 52.4 | ↓-3.3 | 最大潮位差 |
| 5/4 11:00 | 49.1 | ↓-3.3 | 最大潮位差 |
| 5/4 11:10 | 45.8 | ↓-3.3 | 最大潮位差 |
| 5/4 11:20 | 42.7 | ↓-3.1 | |
| 5/4 11:30 | 39.6 | ↓-3.1 | |
| 5/4 11:40 | 36.5 | ↓-3.1 | |
| 5/4 11:50 | 33.7 | ↓-2.8 | |
| 5/4 12:00 | 30.9 | ↓-2.8 | |
| 5/4 12:10 | 28.3 | ↓-2.6 | |
| 5/4 12:20 | 25.8 | ↓-2.5 | |
| 5/4 12:30 | 23.5 | ↓-2.3 | |
| 5/4 12:40 | 21.4 | ↓-2.1 | |
| 5/4 12:50 | 19.5 | ↓-1.9 | |
| 5/4 13:00 | 17.7 | ↓-1.8 | |
| 5/4 13:10 | 16.2 | ↓-1.5 | |
| 5/4 13:20 | 14.9 | ↓-1.3 | |
| 5/4 13:30 | 13.7 | ↓-1.2 | |
| 5/4 13:40 | 12.8 | ↓-0.9 | |
| 5/4 13:50 | 12.1 | ↓-0.7 | |
| 5/4 14:00 | 11.7 | ↓-0.4 | |
| 5/4 14:10 | 11.4 | ↓-0.3 | 干潮 |
| 5/4 14:20 | 11.4 | 0 | |
| 5/4 14:30 | 11.5 | ↑0.1 | |
| 5/4 14:40 | 11.9 | ↑0.4 | |
| 5/4 14:50 | 12.5 | ↑0.6 | |
| 5/4 15:00 | 13.2 | ↑0.7 | |
| 5/4 15:10 | 14.2 | ↑1.0 | |
| 5/4 15:20 | 15.3 | ↑1.1 | |
| 5/4 15:30 | 16.7 | ↑1.4 | |
| 5/4 15:40 | 18.2 | ↑1.5 | |
| 5/4 15:50 | 19.9 | ↑1.7 | |
| 5/4 16:00 | 21.7 | ↑1.8 | |
| 5/4 16:10 | 23.7 | ↑2.0 | |
| 5/4 16:20 | 25.8 | ↑2.1 | |
| 5/4 16:30 | 28.1 | ↑2.3 | |
| 5/4 16:40 | 30.5 | ↑2.4 | |
| 5/4 16:50 | 33.0 | ↑2.5 | |
| 5/4 17:00 | 35.6 | ↑2.6 | |
| 5/4 17:10 | 38.3 | ↑2.7 | |
| 5/4 17:20 | 41.0 | ↑2.7 | |
| 5/4 17:30 | 43.9 | ↑2.9 | |
| 5/4 17:40 | 46.8 | ↑2.9 | |
| 5/4 17:50 | 49.7 | ↑2.9 | |
| 5/4 18:00 | 52.7 | ↑3.0 | |
| 5/4 18:10 | 55.7 | ↑3.0 | |
| 5/4 18:20 | 58.6 | ↑2.9 | |
| 5/4 18:30 | 61.6 | ↑3.0 | |
| 5/4 18:40 | 64.5 | ↑2.9 | |
| 5/4 18:50 | 67.4 | ↑2.9 | |
| 5/4 19:00 | 70.2 | ↑2.8 | |
| 5/4 19:10 | 73.0 | ↑2.8 | |
| 5/4 19:20 | 75.6 | ↑2.6 | |
| 5/4 19:30 | 78.2 | ↑2.6 | |
| 5/4 19:40 | 80.6 | ↑2.4 | |
| 5/4 19:50 | 83.0 | ↑2.4 | |
| 5/4 20:00 | 85.1 | ↑2.1 | |
| 5/4 20:10 | 87.2 | ↑2.1 | |
| 5/4 20:20 | 89.1 | ↑1.9 | |
| 5/4 20:30 | 90.8 | ↑1.7 | |
| 5/4 20:40 | 92.3 | ↑1.5 | |
| 5/4 20:50 | 93.7 | ↑1.4 | |
| 5/4 21:00 | 94.9 | ↑1.2 | |
| 5/4 21:10 | 95.9 | ↑1.0 | |
| 5/4 21:20 | 96.8 | ↑0.9 | |
| 5/4 21:30 | 97.4 | ↑0.6 | |
| 5/4 21:40 | 98.0 | ↑0.6 | |
| 5/4 21:50 | 98.3 | ↑0.3 | |
| 5/4 22:00 | 98.5 | ↑0.2 | 満潮 |
| 5/4 22:10 | 98.5 | 0 | |
| 5/4 22:20 | 98.4 | ↓-0.1 | |
| 5/4 22:30 | 98.2 | ↓-0.2 | |
| 5/4 22:40 | 97.8 | ↓-0.4 | |
| 5/4 22:50 | 97.3 | ↓-0.5 | |
| 5/4 23:00 | 96.8 | ↓-0.5 | |
| 5/4 23:10 | 96.1 | ↓-0.7 | |
| 5/4 23:20 | 95.4 | ↓-0.7 | |
| 5/4 23:30 | 94.6 | ↓-0.8 | |
| 5/4 23:40 | 93.8 | ↓-0.8 | |
| 5/4 23:50 | 93.0 | ↓-0.8 |