| 満潮 | 干潮 | 満潮 | 干潮 |
|
18
(土) |
03:17 | 10:25 | 17:41 | 22:37 |
| 121cm | -12cm | 120cm | 77cm | |
|
||||
那珂湊（茨城）2030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 | 87.0 | ↑2.2 | |
| 5/18 00:10 | 89.3 | ↑2.3 | |
| 5/18 00:20 | 91.6 | ↑2.3 | |
| 5/18 00:30 | 94.0 | ↑2.4 | |
| 5/18 00:40 | 96.4 | ↑2.4 | |
| 5/18 00:50 | 98.8 | ↑2.4 | |
| 5/18 01:00 | 101.2 | ↑2.4 | |
| 5/18 01:10 | 103.5 | ↑2.3 | |
| 5/18 01:20 | 105.8 | ↑2.3 | |
| 5/18 01:30 | 108.0 | ↑2.2 | |
| 5/18 01:40 | 110.1 | ↑2.1 | |
| 5/18 01:50 | 112.1 | ↑2.0 | |
| 5/18 02:00 | 113.9 | ↑1.8 | |
| 5/18 02:10 | 115.5 | ↑1.6 | |
| 5/18 02:20 | 117.0 | ↑1.5 | |
| 5/18 02:30 | 118.3 | ↑1.3 | |
| 5/18 02:40 | 119.3 | ↑1.0 | |
| 5/18 02:50 | 120.1 | ↑0.8 | |
| 5/18 03:00 | 120.7 | ↑0.6 | |
| 5/18 03:10 | 120.9 | ↑0.2 | 満潮 |
| 5/18 03:20 | 121.0 | ↑0.1 | |
| 5/18 03:30 | 120.7 | ↓-0.3 | |
| 5/18 03:40 | 120.1 | ↓-0.6 | |
| 5/18 03:50 | 119.3 | ↓-0.8 | |
| 5/18 04:00 | 118.1 | ↓-1.2 | |
| 5/18 04:10 | 116.6 | ↓-1.5 | |
| 5/18 04:20 | 114.8 | ↓-1.8 | |
| 5/18 04:30 | 112.8 | ↓-2.0 | |
| 5/18 04:40 | 110.4 | ↓-2.4 | |
| 5/18 04:50 | 107.7 | ↓-2.7 | |
| 5/18 05:00 | 104.7 | ↓-3.0 | |
| 5/18 05:10 | 101.5 | ↓-3.2 | |
| 5/18 05:20 | 98.0 | ↓-3.5 | |
| 5/18 05:30 | 94.2 | ↓-3.8 | |
| 5/18 05:40 | 90.2 | ↓-4.0 | |
| 5/18 05:50 | 86.0 | ↓-4.2 | |
| 5/18 06:00 | 81.6 | ↓-4.4 | |
| 5/18 06:10 | 77.0 | ↓-4.6 | |
| 5/18 06:20 | 72.3 | ↓-4.7 | |
| 5/18 06:30 | 67.5 | ↓-4.8 | |
| 5/18 06:40 | 62.6 | ↓-4.9 | |
| 5/18 06:50 | 57.6 | ↓-5.0 | |
| 5/18 07:00 | 52.6 | ↓-5.0 | |
| 5/18 07:10 | 47.5 | ↓-5.1 | 最大潮位差 |
| 5/18 07:20 | 42.5 | ↓-5.0 | |
| 5/18 07:30 | 37.6 | ↓-4.9 | |
| 5/18 07:40 | 32.7 | ↓-4.9 | |
| 5/18 07:50 | 28.0 | ↓-4.7 | |
| 5/18 08:00 | 23.4 | ↓-4.6 | |
| 5/18 08:10 | 19.0 | ↓-4.4 | |
| 5/18 08:20 | 14.7 | ↓-4.3 | |
| 5/18 08:30 | 10.7 | ↓-4.0 | |
| 5/18 08:40 | 7.0 | ↓-3.7 | |
| 5/18 08:50 | 3.5 | ↓-3.5 | |
| 5/18 09:00 | 0.3 | ↓-3.2 | |
| 5/18 09:10 | -2.6 | ↓-2.9 | |
| 5/18 09:20 | -5.1 | ↓-2.5 | |
| 5/18 09:30 | -7.3 | ↓-2.2 | |
| 5/18 09:40 | -9.2 | ↓-1.9 | |
| 5/18 09:50 | -10.6 | ↓-1.4 | |
| 5/18 10:00 | -11.8 | ↓-1.2 | |
| 5/18 10:10 | -12.5 | ↓-0.7 | |
| 5/18 10:20 | -12.8 | ↓-0.3 | 干潮 |
| 5/18 10:30 | -12.8 | 0 | |
| 5/18 10:40 | -12.4 | ↑0.4 | |
| 5/18 10:50 | -11.6 | ↑0.8 | |
| 5/18 11:00 | -10.4 | ↑1.2 | |
| 5/18 11:10 | -8.9 | ↑1.5 | |
| 5/18 11:20 | -7.1 | ↑1.8 | |
| 5/18 11:30 | -4.9 | ↑2.2 | |
| 5/18 11:40 | -2.4 | ↑2.5 | |
| 5/18 11:50 | 0.5 | ↑2.9 | |
| 5/18 12:00 | 3.6 | ↑3.1 | |
| 5/18 12:10 | 6.9 | ↑3.3 | |
| 5/18 12:20 | 10.6 | ↑3.7 | |
| 5/18 12:30 | 14.4 | ↑3.8 | |
| 5/18 12:40 | 18.5 | ↑4.1 | |
| 5/18 12:50 | 22.7 | ↑4.2 | |
| 5/18 13:00 | 27.1 | ↑4.4 | |
| 5/18 13:10 | 31.6 | ↑4.5 | |
| 5/18 13:20 | 36.2 | ↑4.6 | |
| 5/18 13:30 | 40.9 | ↑4.7 | |
| 5/18 13:40 | 45.6 | ↑4.7 | |
| 5/18 13:50 | 50.4 | ↑4.8 | |
| 5/18 14:00 | 55.2 | ↑4.8 | |
| 5/18 14:10 | 60.0 | ↑4.8 | |
| 5/18 14:20 | 64.7 | ↑4.7 | |
| 5/18 14:30 | 69.4 | ↑4.7 | |
| 5/18 14:40 | 73.9 | ↑4.5 | |
| 5/18 14:50 | 78.4 | ↑4.5 | |
| 5/18 15:00 | 82.7 | ↑4.3 | |
| 5/18 15:10 | 86.8 | ↑4.1 | |
| 5/18 15:20 | 90.8 | ↑4.0 | |
| 5/18 15:30 | 94.5 | ↑3.7 | |
| 5/18 15:40 | 98.1 | ↑3.6 | |
| 5/18 15:50 | 101.4 | ↑3.3 | |
| 5/18 16:00 | 104.5 | ↑3.1 | |
| 5/18 16:10 | 107.2 | ↑2.7 | |
| 5/18 16:20 | 109.8 | ↑2.6 | |
| 5/18 16:30 | 112.0 | ↑2.2 | |
| 5/18 16:40 | 113.9 | ↑1.9 | |
| 5/18 16:50 | 115.6 | ↑1.7 | |
| 5/18 17:00 | 116.9 | ↑1.3 | |
| 5/18 17:10 | 118.0 | ↑1.1 | |
| 5/18 17:20 | 118.7 | ↑0.7 | |
| 5/18 17:30 | 119.1 | ↑0.4 | |
| 5/18 17:40 | 119.3 | ↑0.2 | 満潮 |
| 5/18 17:50 | 119.2 | ↓-0.1 | |
| 5/18 18:00 | 118.7 | ↓-0.5 | |
| 5/18 18:10 | 118.1 | ↓-0.6 | |
| 5/18 18:20 | 117.2 | ↓-0.9 | |
| 5/18 18:30 | 116.0 | ↓-1.2 | |
| 5/18 18:40 | 114.7 | ↓-1.3 | |
| 5/18 18:50 | 113.1 | ↓-1.6 | |
| 5/18 19:00 | 111.4 | ↓-1.7 | |
| 5/18 19:10 | 109.5 | ↓-1.9 | |
| 5/18 19:20 | 107.5 | ↓-2.0 | |
| 5/18 19:30 | 105.4 | ↓-2.1 | |
| 5/18 19:40 | 103.2 | ↓-2.2 | |
| 5/18 19:50 | 101.0 | ↓-2.2 | |
| 5/18 20:00 | 98.8 | ↓-2.2 | |
| 5/18 20:10 | 96.5 | ↓-2.3 | |
| 5/18 20:20 | 94.3 | ↓-2.2 | |
| 5/18 20:30 | 92.1 | ↓-2.2 | |
| 5/18 20:40 | 90.0 | ↓-2.1 | |
| 5/18 20:50 | 88.0 | ↓-2.0 | |
| 5/18 21:00 | 86.1 | ↓-1.9 | |
| 5/18 21:10 | 84.3 | ↓-1.8 | |
| 5/18 21:20 | 82.7 | ↓-1.6 | |
| 5/18 21:30 | 81.2 | ↓-1.5 | |
| 5/18 21:40 | 79.9 | ↓-1.3 | |
| 5/18 21:50 | 78.8 | ↓-1.1 | |
| 5/18 22:00 | 77.9 | ↓-0.9 | |
| 5/18 22:10 | 77.2 | ↓-0.7 | |
| 5/18 22:20 | 76.8 | ↓-0.4 | |
| 5/18 22:30 | 76.5 | ↓-0.3 | 干潮 |
| 5/18 22:40 | 76.5 | 0 | |
| 5/18 22:50 | 76.7 | ↑0.2 | |
| 5/18 23:00 | 77.1 | ↑0.4 | |
| 5/18 23:10 | 77.7 | ↑0.6 | |
| 5/18 23:20 | 78.5 | ↑0.8 | |
| 5/18 23:30 | 79.5 | ↑1.0 | |
| 5/18 23:40 | 80.7 | ↑1.2 | |
| 5/18 23:50 | 82.1 | ↑1.4 |