| 満潮 | 干潮 | 満潮 | 干潮 |
|
21
(土) |
03:06 | 10:09 | 17:16 | 22:18 |
| 122cm | -6cm | 118cm | 72cm | |
|
||||
那珂湊（茨城）2050年05月21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 |
|---|---|---|---|
| 5/21 00:00 | 88.6 | ↑2.5 | |
| 5/21 00:10 | 91.1 | ↑2.5 | |
| 5/21 00:20 | 93.6 | ↑2.5 | |
| 5/21 00:30 | 96.2 | ↑2.6 | |
| 5/21 00:40 | 98.7 | ↑2.5 | |
| 5/21 00:50 | 101.2 | ↑2.5 | |
| 5/21 01:00 | 103.7 | ↑2.5 | |
| 5/21 01:10 | 106.1 | ↑2.4 | |
| 5/21 01:20 | 108.4 | ↑2.3 | |
| 5/21 01:30 | 110.6 | ↑2.2 | |
| 5/21 01:40 | 112.6 | ↑2.0 | |
| 5/21 01:50 | 114.5 | ↑1.9 | |
| 5/21 02:00 | 116.2 | ↑1.7 | |
| 5/21 02:10 | 117.7 | ↑1.5 | |
| 5/21 02:20 | 119.0 | ↑1.3 | |
| 5/21 02:30 | 120.0 | ↑1.0 | |
| 5/21 02:40 | 120.9 | ↑0.9 | |
| 5/21 02:50 | 121.4 | ↑0.5 | |
| 5/21 03:00 | 121.7 | ↑0.3 | 満潮 |
| 5/21 03:10 | 121.7 | 0 | |
| 5/21 03:20 | 121.4 | ↓-0.3 | |
| 5/21 03:30 | 120.8 | ↓-0.6 | |
| 5/21 03:40 | 119.9 | ↓-0.9 | |
| 5/21 03:50 | 118.7 | ↓-1.2 | |
| 5/21 04:00 | 117.2 | ↓-1.5 | |
| 5/21 04:10 | 115.4 | ↓-1.8 | |
| 5/21 04:20 | 113.3 | ↓-2.1 | |
| 5/21 04:30 | 110.9 | ↓-2.4 | |
| 5/21 04:40 | 108.2 | ↓-2.7 | |
| 5/21 04:50 | 105.2 | ↓-3.0 | |
| 5/21 05:00 | 101.9 | ↓-3.3 | |
| 5/21 05:10 | 98.4 | ↓-3.5 | |
| 5/21 05:20 | 94.7 | ↓-3.7 | |
| 5/21 05:30 | 90.7 | ↓-4.0 | |
| 5/21 05:40 | 86.5 | ↓-4.2 | |
| 5/21 05:50 | 82.2 | ↓-4.3 | |
| 5/21 06:00 | 77.7 | ↓-4.5 | |
| 5/21 06:10 | 73.1 | ↓-4.6 | |
| 5/21 06:20 | 68.4 | ↓-4.7 | |
| 5/21 06:30 | 63.6 | ↓-4.8 | |
| 5/21 06:40 | 58.7 | ↓-4.9 | 最大潮位差 |
| 5/21 06:50 | 53.9 | ↓-4.8 | |
| 5/21 07:00 | 49.0 | ↓-4.9 | 最大潮位差 |
| 5/21 07:10 | 44.2 | ↓-4.8 | |
| 5/21 07:20 | 39.5 | ↓-4.7 | |
| 5/21 07:30 | 34.8 | ↓-4.7 | |
| 5/21 07:40 | 30.3 | ↓-4.5 | |
| 5/21 07:50 | 26.0 | ↓-4.3 | |
| 5/21 08:00 | 21.8 | ↓-4.2 | |
| 5/21 08:10 | 17.8 | ↓-4.0 | |
| 5/21 08:20 | 14.1 | ↓-3.7 | |
| 5/21 08:30 | 10.6 | ↓-3.5 | |
| 5/21 08:40 | 7.4 | ↓-3.2 | |
| 5/21 08:50 | 4.5 | ↓-2.9 | |
| 5/21 09:00 | 1.9 | ↓-2.6 | |
| 5/21 09:10 | -0.4 | ↓-2.3 | |
| 5/21 09:20 | -2.3 | ↓-1.9 | |
| 5/21 09:30 | -3.9 | ↓-1.6 | |
| 5/21 09:40 | -5.1 | ↓-1.2 | |
| 5/21 09:50 | -5.9 | ↓-0.8 | |
| 5/21 10:00 | -6.4 | ↓-0.5 | 干潮 |
| 5/21 10:10 | -6.6 | ↓-0.2 | |
| 5/21 10:20 | -6.3 | ↑0.3 | |
| 5/21 10:30 | -5.7 | ↑0.6 | |
| 5/21 10:40 | -4.7 | ↑1.0 | |
| 5/21 10:50 | -3.4 | ↑1.3 | |
| 5/21 11:00 | -1.8 | ↑1.6 | |
| 5/21 11:10 | 0.2 | ↑2.0 | |
| 5/21 11:20 | 2.5 | ↑2.3 | |
| 5/21 11:30 | 5.1 | ↑2.6 | |
| 5/21 11:40 | 8.0 | ↑2.9 | |
| 5/21 11:50 | 11.2 | ↑3.2 | |
| 5/21 12:00 | 14.6 | ↑3.4 | |
| 5/21 12:10 | 18.2 | ↑3.6 | |
| 5/21 12:20 | 22.0 | ↑3.8 | |
| 5/21 12:30 | 26.0 | ↑4.0 | |
| 5/21 12:40 | 30.2 | ↑4.2 | |
| 5/21 12:50 | 34.5 | ↑4.3 | |
| 5/21 13:00 | 38.9 | ↑4.4 | |
| 5/21 13:10 | 43.4 | ↑4.5 | |
| 5/21 13:20 | 47.9 | ↑4.5 | |
| 5/21 13:30 | 52.5 | ↑4.6 | |
| 5/21 13:40 | 57.1 | ↑4.6 | |
| 5/21 13:50 | 61.6 | ↑4.5 | |
| 5/21 14:00 | 66.2 | ↑4.6 | |
| 5/21 14:10 | 70.6 | ↑4.4 | |
| 5/21 14:20 | 75.0 | ↑4.4 | |
| 5/21 14:30 | 79.2 | ↑4.2 | |
| 5/21 14:40 | 83.3 | ↑4.1 | |
| 5/21 14:50 | 87.3 | ↑4.0 | |
| 5/21 15:00 | 91.1 | ↑3.8 | |
| 5/21 15:10 | 94.6 | ↑3.5 | |
| 5/21 15:20 | 98.0 | ↑3.4 | |
| 5/21 15:30 | 101.1 | ↑3.1 | |
| 5/21 15:40 | 104.0 | ↑2.9 | |
| 5/21 15:50 | 106.6 | ↑2.6 | |
| 5/21 16:00 | 108.9 | ↑2.3 | |
| 5/21 16:10 | 110.9 | ↑2.0 | |
| 5/21 16:20 | 112.7 | ↑1.8 | |
| 5/21 16:30 | 114.2 | ↑1.5 | |
| 5/21 16:40 | 115.3 | ↑1.1 | |
| 5/21 16:50 | 116.2 | ↑0.9 | |
| 5/21 17:00 | 116.8 | ↑0.6 | |
| 5/21 17:10 | 117.0 | ↑0.2 | 満潮 |
| 5/21 17:20 | 117.0 | 0 | |
| 5/21 17:30 | 116.7 | ↓-0.3 | |
| 5/21 17:40 | 116.2 | ↓-0.5 | |
| 5/21 17:50 | 115.4 | ↓-0.8 | |
| 5/21 18:00 | 114.3 | ↓-1.1 | |
| 5/21 18:10 | 113.0 | ↓-1.3 | |
| 5/21 18:20 | 111.6 | ↓-1.4 | |
| 5/21 18:30 | 109.9 | ↓-1.7 | |
| 5/21 18:40 | 108.1 | ↓-1.8 | |
| 5/21 18:50 | 106.1 | ↓-2.0 | |
| 5/21 19:00 | 104.0 | ↓-2.1 | |
| 5/21 19:10 | 101.8 | ↓-2.2 | |
| 5/21 19:20 | 99.5 | ↓-2.3 | |
| 5/21 19:30 | 97.2 | ↓-2.3 | |
| 5/21 19:40 | 94.9 | ↓-2.3 | |
| 5/21 19:50 | 92.6 | ↓-2.3 | |
| 5/21 20:00 | 90.3 | ↓-2.3 | |
| 5/21 20:10 | 88.0 | ↓-2.3 | |
| 5/21 20:20 | 85.8 | ↓-2.2 | |
| 5/21 20:30 | 83.8 | ↓-2.0 | |
| 5/21 20:40 | 81.8 | ↓-2.0 | |
| 5/21 20:50 | 80.0 | ↓-1.8 | |
| 5/21 21:00 | 78.3 | ↓-1.7 | |
| 5/21 21:10 | 76.8 | ↓-1.5 | |
| 5/21 21:20 | 75.5 | ↓-1.3 | |
| 5/21 21:30 | 74.3 | ↓-1.2 | |
| 5/21 21:40 | 73.4 | ↓-0.9 | |
| 5/21 21:50 | 72.7 | ↓-0.7 | |
| 5/21 22:00 | 72.2 | ↓-0.5 | |
| 5/21 22:10 | 72.0 | ↓-0.2 | 干潮 |
| 5/21 22:20 | 71.9 | ↓-0.1 | |
| 5/21 22:30 | 72.1 | ↑0.2 | |
| 5/21 22:40 | 72.5 | ↑0.4 | |
| 5/21 22:50 | 73.2 | ↑0.7 | |
| 5/21 23:00 | 74.0 | ↑0.8 | |
| 5/21 23:10 | 75.0 | ↑1.0 | |
| 5/21 23:20 | 76.3 | ↑1.3 | |
| 5/21 23:30 | 77.7 | ↑1.4 | |
| 5/21 23:40 | 79.3 | ↑1.6 | |
| 5/21 23:50 | 81.1 | ↑1.8 |