| 満潮 | 干潮 | 満潮 | 干潮 |
|
18
(日) |
05:13 | 00:20 | 21:35 | 13:21 |
| 112cm | 93cm | 103cm | 6cm | |
|
||||
那珂湊（茨城）2025年05月18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 |
|---|---|---|---|
| 5/18 00:00 | 93.1 | ↓-0.2 | |
| 5/18 00:10 | 93.0 | ↓-0.1 | 干潮 |
| 5/18 00:20 | 92.9 | ↓-0.1 | 干潮 |
| 5/18 00:30 | 93.0 | ↑0.1 | |
| 5/18 00:40 | 93.2 | ↑0.2 | |
| 5/18 00:50 | 93.4 | ↑0.2 | |
| 5/18 01:00 | 93.8 | ↑0.4 | |
| 5/18 01:10 | 94.2 | ↑0.4 | |
| 5/18 01:20 | 94.8 | ↑0.6 | |
| 5/18 01:30 | 95.4 | ↑0.6 | |
| 5/18 01:40 | 96.1 | ↑0.7 | |
| 5/18 01:50 | 96.9 | ↑0.8 | |
| 5/18 02:00 | 97.7 | ↑0.8 | |
| 5/18 02:10 | 98.6 | ↑0.9 | |
| 5/18 02:20 | 99.5 | ↑0.9 | |
| 5/18 02:30 | 100.4 | ↑0.9 | |
| 5/18 02:40 | 101.4 | ↑1.0 | |
| 5/18 02:50 | 102.3 | ↑0.9 | |
| 5/18 03:00 | 103.3 | ↑1.0 | |
| 5/18 03:10 | 104.2 | ↑0.9 | |
| 5/18 03:20 | 105.2 | ↑1.0 | |
| 5/18 03:30 | 106.1 | ↑0.9 | |
| 5/18 03:40 | 106.9 | ↑0.8 | |
| 5/18 03:50 | 107.8 | ↑0.9 | |
| 5/18 04:00 | 108.5 | ↑0.7 | |
| 5/18 04:10 | 109.2 | ↑0.7 | |
| 5/18 04:20 | 109.8 | ↑0.6 | |
| 5/18 04:30 | 110.3 | ↑0.5 | |
| 5/18 04:40 | 110.7 | ↑0.4 | |
| 5/18 04:50 | 111.0 | ↑0.3 | |
| 5/18 05:00 | 111.2 | ↑0.2 | |
| 5/18 05:10 | 111.3 | ↑0.1 | 満潮 |
| 5/18 05:20 | 111.3 | 0 | |
| 5/18 05:30 | 111.1 | ↓-0.2 | |
| 5/18 05:40 | 110.8 | ↓-0.3 | |
| 5/18 05:50 | 110.3 | ↓-0.5 | |
| 5/18 06:00 | 109.7 | ↓-0.6 | |
| 5/18 06:10 | 108.9 | ↓-0.8 | |
| 5/18 06:20 | 108.0 | ↓-0.9 | |
| 5/18 06:30 | 106.9 | ↓-1.1 | |
| 5/18 06:40 | 105.6 | ↓-1.3 | |
| 5/18 06:50 | 104.2 | ↓-1.4 | |
| 5/18 07:00 | 102.6 | ↓-1.6 | |
| 5/18 07:10 | 100.8 | ↓-1.8 | |
| 5/18 07:20 | 98.8 | ↓-2.0 | |
| 5/18 07:30 | 96.6 | ↓-2.2 | |
| 5/18 07:40 | 94.3 | ↓-2.3 | |
| 5/18 07:50 | 91.9 | ↓-2.4 | |
| 5/18 08:00 | 89.2 | ↓-2.7 | |
| 5/18 08:10 | 86.4 | ↓-2.8 | |
| 5/18 08:20 | 83.5 | ↓-2.9 | |
| 5/18 08:30 | 80.5 | ↓-3.0 | |
| 5/18 08:40 | 77.3 | ↓-3.2 | |
| 5/18 08:50 | 74.0 | ↓-3.3 | |
| 5/18 09:00 | 70.6 | ↓-3.4 | |
| 5/18 09:10 | 67.1 | ↓-3.5 | |
| 5/18 09:20 | 63.6 | ↓-3.5 | |
| 5/18 09:30 | 60.0 | ↓-3.6 | 最大潮位差 |
| 5/18 09:40 | 56.4 | ↓-3.6 | 最大潮位差 |
| 5/18 09:50 | 52.8 | ↓-3.6 | 最大潮位差 |
| 5/18 10:00 | 49.2 | ↓-3.6 | 最大潮位差 |
| 5/18 10:10 | 45.6 | ↓-3.6 | 最大潮位差 |
| 5/18 10:20 | 42.1 | ↓-3.5 | |
| 5/18 10:30 | 38.6 | ↓-3.5 | |
| 5/18 10:40 | 35.3 | ↓-3.3 | |
| 5/18 10:50 | 32.0 | ↓-3.3 | |
| 5/18 11:00 | 28.9 | ↓-3.1 | |
| 5/18 11:10 | 25.9 | ↓-3.0 | |
| 5/18 11:20 | 23.1 | ↓-2.8 | |
| 5/18 11:30 | 20.4 | ↓-2.7 | |
| 5/18 11:40 | 18.0 | ↓-2.4 | |
| 5/18 11:50 | 15.7 | ↓-2.3 | |
| 5/18 12:00 | 13.7 | ↓-2.0 | |
| 5/18 12:10 | 11.9 | ↓-1.8 | |
| 5/18 12:20 | 10.3 | ↓-1.6 | |
| 5/18 12:30 | 8.9 | ↓-1.4 | |
| 5/18 12:40 | 7.8 | ↓-1.1 | |
| 5/18 12:50 | 7.0 | ↓-0.8 | |
| 5/18 13:00 | 6.3 | ↓-0.7 | |
| 5/18 13:10 | 6.0 | ↓-0.3 | |
| 5/18 13:20 | 5.8 | ↓-0.2 | 干潮 |
| 5/18 13:30 | 6.0 | ↑0.2 | |
| 5/18 13:40 | 6.3 | ↑0.3 | |
| 5/18 13:50 | 6.9 | ↑0.6 | |
| 5/18 14:00 | 7.7 | ↑0.8 | |
| 5/18 14:10 | 8.7 | ↑1.0 | |
| 5/18 14:20 | 10.0 | ↑1.3 | |
| 5/18 14:30 | 11.4 | ↑1.4 | |
| 5/18 14:40 | 13.1 | ↑1.7 | |
| 5/18 14:50 | 14.9 | ↑1.8 | |
| 5/18 15:00 | 16.8 | ↑1.9 | |
| 5/18 15:10 | 19.0 | ↑2.2 | |
| 5/18 15:20 | 21.3 | ↑2.3 | |
| 5/18 15:30 | 23.7 | ↑2.4 | |
| 5/18 15:40 | 26.2 | ↑2.5 | |
| 5/18 15:50 | 28.9 | ↑2.7 | |
| 5/18 16:00 | 31.6 | ↑2.7 | |
| 5/18 16:10 | 34.5 | ↑2.9 | |
| 5/18 16:20 | 37.4 | ↑2.9 | |
| 5/18 16:30 | 40.4 | ↑3.0 | |
| 5/18 16:40 | 43.4 | ↑3.0 | |
| 5/18 16:50 | 46.5 | ↑3.1 | |
| 5/18 17:00 | 49.6 | ↑3.1 | |
| 5/18 17:10 | 52.7 | ↑3.1 | |
| 5/18 17:20 | 55.8 | ↑3.1 | |
| 5/18 17:30 | 58.9 | ↑3.1 | |
| 5/18 17:40 | 61.9 | ↑3.0 | |
| 5/18 17:50 | 64.9 | ↑3.0 | |
| 5/18 18:00 | 67.9 | ↑3.0 | |
| 5/18 18:10 | 70.8 | ↑2.9 | |
| 5/18 18:20 | 73.7 | ↑2.9 | |
| 5/18 18:30 | 76.4 | ↑2.7 | |
| 5/18 18:40 | 79.1 | ↑2.7 | |
| 5/18 18:50 | 81.6 | ↑2.5 | |
| 5/18 19:00 | 84.1 | ↑2.5 | |
| 5/18 19:10 | 86.4 | ↑2.3 | |
| 5/18 19:20 | 88.5 | ↑2.1 | |
| 5/18 19:30 | 90.5 | ↑2.0 | |
| 5/18 19:40 | 92.4 | ↑1.9 | |
| 5/18 19:50 | 94.1 | ↑1.7 | |
| 5/18 20:00 | 95.7 | ↑1.6 | |
| 5/18 20:10 | 97.0 | ↑1.3 | |
| 5/18 20:20 | 98.3 | ↑1.3 | |
| 5/18 20:30 | 99.3 | ↑1.0 | |
| 5/18 20:40 | 100.2 | ↑0.9 | |
| 5/18 20:50 | 100.9 | ↑0.7 | |
| 5/18 21:00 | 101.5 | ↑0.6 | |
| 5/18 21:10 | 101.9 | ↑0.4 | |
| 5/18 21:20 | 102.1 | ↑0.2 | |
| 5/18 21:30 | 102.3 | ↑0.2 | 満潮 |
| 5/18 21:40 | 102.2 | ↓-0.1 | |
| 5/18 21:50 | 102.1 | ↓-0.1 | |
| 5/18 22:00 | 101.9 | ↓-0.2 | |
| 5/18 22:10 | 101.5 | ↓-0.4 | |
| 5/18 22:20 | 101.1 | ↓-0.4 | |
| 5/18 22:30 | 100.6 | ↓-0.5 | |
| 5/18 22:40 | 100.0 | ↓-0.6 | |
| 5/18 22:50 | 99.4 | ↓-0.6 | |
| 5/18 23:00 | 98.8 | ↓-0.6 | |
| 5/18 23:10 | 98.2 | ↓-0.6 | |
| 5/18 23:20 | 97.5 | ↓-0.7 | |
| 5/18 23:30 | 96.9 | ↓-0.6 | |
| 5/18 23:40 | 96.2 | ↓-0.7 | |
| 5/18 23:50 | 95.6 | ↓-0.6 |