| 満潮 | 干潮 | 満潮 | 干潮 |
|
20
(土) |
00:35 | 07:32 | 13:44 | 19:04 |
| 110cm | 39cm | 91cm | 59cm | |
|
||||
那珂湊（茨城）2028年05月20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 |
|---|---|---|---|
| 5/20 00:00 | 108.0 | ↑0.8 | |
| 5/20 00:10 | 108.6 | ↑0.6 | |
| 5/20 00:20 | 109.0 | ↑0.4 | |
| 5/20 00:30 | 109.2 | ↑0.2 | 満潮 |
| 5/20 00:40 | 109.2 | 0 | |
| 5/20 00:50 | 108.9 | ↓-0.3 | |
| 5/20 01:00 | 108.5 | ↓-0.4 | |
| 5/20 01:10 | 107.9 | ↓-0.6 | |
| 5/20 01:20 | 107.1 | ↓-0.8 | |
| 5/20 01:30 | 106.1 | ↓-1.0 | |
| 5/20 01:40 | 104.9 | ↓-1.2 | |
| 5/20 01:50 | 103.6 | ↓-1.3 | |
| 5/20 02:00 | 102.0 | ↓-1.6 | |
| 5/20 02:10 | 100.4 | ↓-1.6 | |
| 5/20 02:20 | 98.5 | ↓-1.9 | |
| 5/20 02:30 | 96.5 | ↓-2.0 | |
| 5/20 02:40 | 94.4 | ↓-2.1 | |
| 5/20 02:50 | 92.2 | ↓-2.2 | |
| 5/20 03:00 | 89.9 | ↓-2.3 | |
| 5/20 03:10 | 87.4 | ↓-2.5 | |
| 5/20 03:20 | 84.9 | ↓-2.5 | |
| 5/20 03:30 | 82.4 | ↓-2.5 | |
| 5/20 03:40 | 79.8 | ↓-2.6 | |
| 5/20 03:50 | 77.1 | ↓-2.7 | 最大潮位差 |
| 5/20 04:00 | 74.4 | ↓-2.7 | 最大潮位差 |
| 5/20 04:10 | 71.8 | ↓-2.6 | |
| 5/20 04:20 | 69.1 | ↓-2.7 | 最大潮位差 |
| 5/20 04:30 | 66.4 | ↓-2.7 | 最大潮位差 |
| 5/20 04:40 | 63.8 | ↓-2.6 | |
| 5/20 04:50 | 61.3 | ↓-2.5 | |
| 5/20 05:00 | 58.8 | ↓-2.5 | |
| 5/20 05:10 | 56.4 | ↓-2.4 | |
| 5/20 05:20 | 54.1 | ↓-2.3 | |
| 5/20 05:30 | 51.9 | ↓-2.2 | |
| 5/20 05:40 | 49.9 | ↓-2.0 | |
| 5/20 05:50 | 47.9 | ↓-2.0 | |
| 5/20 06:00 | 46.1 | ↓-1.8 | |
| 5/20 06:10 | 44.5 | ↓-1.6 | |
| 5/20 06:20 | 43.1 | ↓-1.4 | |
| 5/20 06:30 | 41.8 | ↓-1.3 | |
| 5/20 06:40 | 40.7 | ↓-1.1 | |
| 5/20 06:50 | 39.7 | ↓-1.0 | |
| 5/20 07:00 | 39.0 | ↓-0.7 | |
| 5/20 07:10 | 38.5 | ↓-0.5 | |
| 5/20 07:20 | 38.2 | ↓-0.3 | |
| 5/20 07:30 | 38.1 | ↓-0.1 | 干潮 |
| 5/20 07:40 | 38.2 | ↑0.1 | |
| 5/20 07:50 | 38.4 | ↑0.2 | |
| 5/20 08:00 | 38.9 | ↑0.5 | |
| 5/20 08:10 | 39.6 | ↑0.7 | |
| 5/20 08:20 | 40.4 | ↑0.8 | |
| 5/20 08:30 | 41.5 | ↑1.1 | |
| 5/20 08:40 | 42.7 | ↑1.2 | |
| 5/20 08:50 | 44.1 | ↑1.4 | |
| 5/20 09:00 | 45.6 | ↑1.5 | |
| 5/20 09:10 | 47.3 | ↑1.7 | |
| 5/20 09:20 | 49.0 | ↑1.7 | |
| 5/20 09:30 | 50.9 | ↑1.9 | |
| 5/20 09:40 | 52.9 | ↑2.0 | |
| 5/20 09:50 | 55.0 | ↑2.1 | |
| 5/20 10:00 | 57.1 | ↑2.1 | |
| 5/20 10:10 | 59.3 | ↑2.2 | |
| 5/20 10:20 | 61.5 | ↑2.2 | |
| 5/20 10:30 | 63.7 | ↑2.2 | |
| 5/20 10:40 | 66.0 | ↑2.3 | |
| 5/20 10:50 | 68.2 | ↑2.2 | |
| 5/20 11:00 | 70.4 | ↑2.2 | |
| 5/20 11:10 | 72.5 | ↑2.1 | |
| 5/20 11:20 | 74.5 | ↑2.0 | |
| 5/20 11:30 | 76.5 | ↑2.0 | |
| 5/20 11:40 | 78.4 | ↑1.9 | |
| 5/20 11:50 | 80.2 | ↑1.8 | |
| 5/20 12:00 | 81.8 | ↑1.6 | |
| 5/20 12:10 | 83.4 | ↑1.6 | |
| 5/20 12:20 | 84.8 | ↑1.4 | |
| 5/20 12:30 | 86.0 | ↑1.2 | |
| 5/20 12:40 | 87.2 | ↑1.2 | |
| 5/20 12:50 | 88.1 | ↑0.9 | |
| 5/20 13:00 | 88.9 | ↑0.8 | |
| 5/20 13:10 | 89.5 | ↑0.6 | |
| 5/20 13:20 | 90.0 | ↑0.5 | |
| 5/20 13:30 | 90.3 | ↑0.3 | |
| 5/20 13:40 | 90.4 | ↑0.1 | 満潮 |
| 5/20 13:50 | 90.4 | 0 | |
| 5/20 14:00 | 90.2 | ↓-0.2 | |
| 5/20 14:10 | 89.8 | ↓-0.4 | |
| 5/20 14:20 | 89.3 | ↓-0.5 | |
| 5/20 14:30 | 88.7 | ↓-0.6 | |
| 5/20 14:40 | 87.9 | ↓-0.8 | |
| 5/20 14:50 | 87.0 | ↓-0.9 | |
| 5/20 15:00 | 86.0 | ↓-1.0 | |
| 5/20 15:10 | 84.9 | ↓-1.1 | |
| 5/20 15:20 | 83.7 | ↓-1.2 | |
| 5/20 15:30 | 82.3 | ↓-1.4 | |
| 5/20 15:40 | 81.0 | ↓-1.3 | |
| 5/20 15:50 | 79.5 | ↓-1.5 | |
| 5/20 16:00 | 78.0 | ↓-1.5 | |
| 5/20 16:10 | 76.5 | ↓-1.5 | |
| 5/20 16:20 | 75.0 | ↓-1.5 | |
| 5/20 16:30 | 73.4 | ↓-1.6 | |
| 5/20 16:40 | 71.9 | ↓-1.5 | |
| 5/20 16:50 | 70.3 | ↓-1.6 | |
| 5/20 17:00 | 68.9 | ↓-1.4 | |
| 5/20 17:10 | 67.4 | ↓-1.5 | |
| 5/20 17:20 | 66.0 | ↓-1.4 | |
| 5/20 17:30 | 64.7 | ↓-1.3 | |
| 5/20 17:40 | 63.5 | ↓-1.2 | |
| 5/20 17:50 | 62.4 | ↓-1.1 | |
| 5/20 18:00 | 61.4 | ↓-1.0 | |
| 5/20 18:10 | 60.5 | ↓-0.9 | |
| 5/20 18:20 | 59.8 | ↓-0.7 | |
| 5/20 18:30 | 59.2 | ↓-0.6 | |
| 5/20 18:40 | 58.8 | ↓-0.4 | |
| 5/20 18:50 | 58.5 | ↓-0.3 | |
| 5/20 19:00 | 58.3 | ↓-0.2 | 干潮 |
| 5/20 19:10 | 58.4 | ↑0.1 | |
| 5/20 19:20 | 58.6 | ↑0.2 | |
| 5/20 19:30 | 59.0 | ↑0.4 | |
| 5/20 19:40 | 59.6 | ↑0.6 | |
| 5/20 19:50 | 60.3 | ↑0.7 | |
| 5/20 20:00 | 61.2 | ↑0.9 | |
| 5/20 20:10 | 62.3 | ↑1.1 | |
| 5/20 20:20 | 63.5 | ↑1.2 | |
| 5/20 20:30 | 64.9 | ↑1.4 | |
| 5/20 20:40 | 66.4 | ↑1.5 | |
| 5/20 20:50 | 68.1 | ↑1.7 | |
| 5/20 21:00 | 69.9 | ↑1.8 | |
| 5/20 21:10 | 71.9 | ↑2.0 | |
| 5/20 21:20 | 73.9 | ↑2.0 | |
| 5/20 21:30 | 76.0 | ↑2.1 | |
| 5/20 21:40 | 78.2 | ↑2.2 | |
| 5/20 21:50 | 80.4 | ↑2.2 | |
| 5/20 22:00 | 82.7 | ↑2.3 | |
| 5/20 22:10 | 85.0 | ↑2.3 | |
| 5/20 22:20 | 87.3 | ↑2.3 | |
| 5/20 22:30 | 89.6 | ↑2.3 | |
| 5/20 22:40 | 91.9 | ↑2.3 | |
| 5/20 22:50 | 94.2 | ↑2.3 | |
| 5/20 23:00 | 96.3 | ↑2.1 | |
| 5/20 23:10 | 98.4 | ↑2.1 | |
| 5/20 23:20 | 100.4 | ↑2.0 | |
| 5/20 23:30 | 102.3 | ↑1.9 | |
| 5/20 23:40 | 104.0 | ↑1.7 | |
| 5/20 23:50 | 105.6 | ↑1.6 |