| 満潮 | 干潮 | 満潮 | 干潮 |
|
1
(日) |
06:46 | 02:02 | 23:37 | 15:11 |
| 97cm | 88cm | 97cm | 20cm | |
|
||||
那珂湊（茨城）2039年05月1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 |
|---|---|---|---|
| 5/1 00:00 | 91.1 | ↓-0.5 | |
| 5/1 00:10 | 90.5 | ↓-0.6 | |
| 5/1 00:20 | 90.1 | ↓-0.4 | |
| 5/1 00:30 | 89.6 | ↓-0.5 | |
| 5/1 00:40 | 89.1 | ↓-0.5 | |
| 5/1 00:50 | 88.7 | ↓-0.4 | |
| 5/1 01:00 | 88.3 | ↓-0.4 | |
| 5/1 01:10 | 88.0 | ↓-0.3 | |
| 5/1 01:20 | 87.8 | ↓-0.2 | |
| 5/1 01:30 | 87.5 | ↓-0.3 | |
| 5/1 01:40 | 87.4 | ↓-0.1 | |
| 5/1 01:50 | 87.3 | ↓-0.1 | |
| 5/1 02:00 | 87.2 | ↓-0.1 | 干潮 |
| 5/1 02:10 | 87.3 | ↑0.1 | |
| 5/1 02:20 | 87.4 | ↑0.1 | |
| 5/1 02:30 | 87.5 | ↑0.1 | |
| 5/1 02:40 | 87.7 | ↑0.2 | |
| 5/1 02:50 | 87.9 | ↑0.2 | |
| 5/1 03:00 | 88.2 | ↑0.3 | |
| 5/1 03:10 | 88.6 | ↑0.4 | |
| 5/1 03:20 | 88.9 | ↑0.3 | |
| 5/1 03:30 | 89.4 | ↑0.5 | |
| 5/1 03:40 | 89.8 | ↑0.4 | |
| 5/1 03:50 | 90.3 | ↑0.5 | |
| 5/1 04:00 | 90.7 | ↑0.4 | |
| 5/1 04:10 | 91.2 | ↑0.5 | |
| 5/1 04:20 | 91.7 | ↑0.5 | |
| 5/1 04:30 | 92.3 | ↑0.6 | |
| 5/1 04:40 | 92.8 | ↑0.5 | |
| 5/1 04:50 | 93.3 | ↑0.5 | |
| 5/1 05:00 | 93.7 | ↑0.4 | |
| 5/1 05:10 | 94.2 | ↑0.5 | |
| 5/1 05:20 | 94.7 | ↑0.5 | |
| 5/1 05:30 | 95.1 | ↑0.4 | |
| 5/1 05:40 | 95.5 | ↑0.4 | |
| 5/1 05:50 | 95.8 | ↑0.3 | |
| 5/1 06:00 | 96.1 | ↑0.3 | |
| 5/1 06:10 | 96.4 | ↑0.3 | |
| 5/1 06:20 | 96.6 | ↑0.2 | |
| 5/1 06:30 | 96.7 | ↑0.1 | |
| 5/1 06:40 | 96.8 | ↑0.1 | 満潮 |
| 5/1 06:50 | 96.8 | 0 | |
| 5/1 07:00 | 96.7 | ↓-0.1 | |
| 5/1 07:10 | 96.5 | ↓-0.2 | |
| 5/1 07:20 | 96.3 | ↓-0.2 | |
| 5/1 07:30 | 95.9 | ↓-0.4 | |
| 5/1 07:40 | 95.5 | ↓-0.4 | |
| 5/1 07:50 | 94.9 | ↓-0.6 | |
| 5/1 08:00 | 94.3 | ↓-0.6 | |
| 5/1 08:10 | 93.5 | ↓-0.8 | |
| 5/1 08:20 | 92.6 | ↓-0.9 | |
| 5/1 08:30 | 91.6 | ↓-1.0 | |
| 5/1 08:40 | 90.4 | ↓-1.2 | |
| 5/1 08:50 | 89.2 | ↓-1.2 | |
| 5/1 09:00 | 87.8 | ↓-1.4 | |
| 5/1 09:10 | 86.2 | ↓-1.6 | |
| 5/1 09:20 | 84.6 | ↓-1.6 | |
| 5/1 09:30 | 82.8 | ↓-1.8 | |
| 5/1 09:40 | 80.9 | ↓-1.9 | |
| 5/1 09:50 | 78.9 | ↓-2.0 | |
| 5/1 10:00 | 76.8 | ↓-2.1 | |
| 5/1 10:10 | 74.6 | ↓-2.2 | |
| 5/1 10:20 | 72.3 | ↓-2.3 | |
| 5/1 10:30 | 69.9 | ↓-2.4 | |
| 5/1 10:40 | 67.5 | ↓-2.4 | |
| 5/1 10:50 | 65.0 | ↓-2.5 | |
| 5/1 11:00 | 62.4 | ↓-2.6 | |
| 5/1 11:10 | 59.8 | ↓-2.6 | |
| 5/1 11:20 | 57.2 | ↓-2.6 | |
| 5/1 11:30 | 54.5 | ↓-2.7 | 最大潮位差 |
| 5/1 11:40 | 51.9 | ↓-2.6 | |
| 5/1 11:50 | 49.3 | ↓-2.6 | |
| 5/1 12:00 | 46.7 | ↓-2.6 | |
| 5/1 12:10 | 44.2 | ↓-2.5 | |
| 5/1 12:20 | 41.8 | ↓-2.4 | |
| 5/1 12:30 | 39.4 | ↓-2.4 | |
| 5/1 12:40 | 37.1 | ↓-2.3 | |
| 5/1 12:50 | 34.9 | ↓-2.2 | |
| 5/1 13:00 | 32.8 | ↓-2.1 | |
| 5/1 13:10 | 30.9 | ↓-1.9 | |
| 5/1 13:20 | 29.0 | ↓-1.9 | |
| 5/1 13:30 | 27.3 | ↓-1.7 | |
| 5/1 13:40 | 25.8 | ↓-1.5 | |
| 5/1 13:50 | 24.4 | ↓-1.4 | |
| 5/1 14:00 | 23.1 | ↓-1.3 | |
| 5/1 14:10 | 22.1 | ↓-1.0 | |
| 5/1 14:20 | 21.1 | ↓-1.0 | |
| 5/1 14:30 | 20.4 | ↓-0.7 | |
| 5/1 14:40 | 19.8 | ↓-0.6 | |
| 5/1 14:50 | 19.4 | ↓-0.4 | |
| 5/1 15:00 | 19.2 | ↓-0.2 | |
| 5/1 15:10 | 19.1 | ↓-0.1 | 干潮 |
| 5/1 15:20 | 19.2 | ↑0.1 | |
| 5/1 15:30 | 19.4 | ↑0.2 | |
| 5/1 15:40 | 19.8 | ↑0.4 | |
| 5/1 15:50 | 20.4 | ↑0.6 | |
| 5/1 16:00 | 21.1 | ↑0.7 | |
| 5/1 16:10 | 22.0 | ↑0.9 | |
| 5/1 16:20 | 23.0 | ↑1.0 | |
| 5/1 16:30 | 24.1 | ↑1.1 | |
| 5/1 16:40 | 25.4 | ↑1.3 | |
| 5/1 16:50 | 26.8 | ↑1.4 | |
| 5/1 17:00 | 28.4 | ↑1.6 | |
| 5/1 17:10 | 30.0 | ↑1.6 | |
| 5/1 17:20 | 31.8 | ↑1.8 | |
| 5/1 17:30 | 33.6 | ↑1.8 | |
| 5/1 17:40 | 35.6 | ↑2.0 | |
| 5/1 17:50 | 37.7 | ↑2.1 | |
| 5/1 18:00 | 39.8 | ↑2.1 | |
| 5/1 18:10 | 42.0 | ↑2.2 | |
| 5/1 18:20 | 44.3 | ↑2.3 | |
| 5/1 18:30 | 46.7 | ↑2.4 | |
| 5/1 18:40 | 49.0 | ↑2.3 | |
| 5/1 18:50 | 51.5 | ↑2.5 | |
| 5/1 19:00 | 53.9 | ↑2.4 | |
| 5/1 19:10 | 56.4 | ↑2.5 | |
| 5/1 19:20 | 58.9 | ↑2.5 | |
| 5/1 19:30 | 61.4 | ↑2.5 | |
| 5/1 19:40 | 63.8 | ↑2.4 | |
| 5/1 19:50 | 66.3 | ↑2.5 | |
| 5/1 20:00 | 68.7 | ↑2.4 | |
| 5/1 20:10 | 71.1 | ↑2.4 | |
| 5/1 20:20 | 73.4 | ↑2.3 | |
| 5/1 20:30 | 75.6 | ↑2.2 | |
| 5/1 20:40 | 77.8 | ↑2.2 | |
| 5/1 20:50 | 79.8 | ↑2.0 | |
| 5/1 21:00 | 81.8 | ↑2.0 | |
| 5/1 21:10 | 83.7 | ↑1.9 | |
| 5/1 21:20 | 85.4 | ↑1.7 | |
| 5/1 21:30 | 87.0 | ↑1.6 | |
| 5/1 21:40 | 88.6 | ↑1.6 | |
| 5/1 21:50 | 89.9 | ↑1.3 | |
| 5/1 22:00 | 91.2 | ↑1.3 | |
| 5/1 22:10 | 92.3 | ↑1.1 | |
| 5/1 22:20 | 93.3 | ↑1.0 | |
| 5/1 22:30 | 94.1 | ↑0.8 | |
| 5/1 22:40 | 94.8 | ↑0.7 | |
| 5/1 22:50 | 95.4 | ↑0.6 | |
| 5/1 23:00 | 95.9 | ↑0.5 | |
| 5/1 23:10 | 96.2 | ↑0.3 | |
| 5/1 23:20 | 96.4 | ↑0.2 | |
| 5/1 23:30 | 96.5 | ↑0.1 | 満潮 |
| 5/1 23:40 | 96.5 | 0 | |
| 5/1 23:50 | 96.4 | ↓-0.1 |