| 満潮 | 干潮 | 満潮 | 干潮 |
|
21
(日) |
06:43 | 00:42 | 19:33 | 13:09 |
| 250cm | 86cm | 250cm | 39cm | |
|
||||
黒子島（長崎）2028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 | 90.9 | ↓-2.7 | |
| 5/21 00:10 | 88.8 | ↓-2.1 | |
| 5/21 00:20 | 87.2 | ↓-1.6 | |
| 5/21 00:30 | 86.2 | ↓-1.0 | |
| 5/21 00:40 | 85.8 | ↓-0.4 | 干潮 |
| 5/21 00:50 | 86.0 | ↑0.2 | |
| 5/21 01:00 | 86.9 | ↑0.9 | |
| 5/21 01:10 | 88.3 | ↑1.4 | |
| 5/21 01:20 | 90.3 | ↑2.0 | |
| 5/21 01:30 | 92.8 | ↑2.5 | |
| 5/21 01:40 | 95.9 | ↑3.1 | |
| 5/21 01:50 | 99.6 | ↑3.7 | |
| 5/21 02:00 | 103.8 | ↑4.2 | |
| 5/21 02:10 | 108.4 | ↑4.6 | |
| 5/21 02:20 | 113.5 | ↑5.1 | |
| 5/21 02:30 | 119.0 | ↑5.5 | |
| 5/21 02:40 | 124.9 | ↑5.9 | |
| 5/21 02:50 | 131.1 | ↑6.2 | |
| 5/21 03:00 | 137.5 | ↑6.4 | |
| 5/21 03:10 | 144.2 | ↑6.7 | |
| 5/21 03:20 | 151.1 | ↑6.9 | |
| 5/21 03:30 | 158.2 | ↑7.1 | |
| 5/21 03:40 | 165.3 | ↑7.1 | |
| 5/21 03:50 | 172.4 | ↑7.1 | |
| 5/21 04:00 | 179.5 | ↑7.1 | |
| 5/21 04:10 | 186.5 | ↑7.0 | |
| 5/21 04:20 | 193.4 | ↑6.9 | |
| 5/21 04:30 | 200.1 | ↑6.7 | |
| 5/21 04:40 | 206.6 | ↑6.5 | |
| 5/21 04:50 | 212.8 | ↑6.2 | |
| 5/21 05:00 | 218.6 | ↑5.8 | |
| 5/21 05:10 | 224.0 | ↑5.4 | |
| 5/21 05:20 | 229.1 | ↑5.1 | |
| 5/21 05:30 | 233.6 | ↑4.5 | |
| 5/21 05:40 | 237.7 | ↑4.1 | |
| 5/21 05:50 | 241.2 | ↑3.5 | |
| 5/21 06:00 | 244.1 | ↑2.9 | |
| 5/21 06:10 | 246.5 | ↑2.4 | |
| 5/21 06:20 | 248.2 | ↑1.7 | |
| 5/21 06:30 | 249.3 | ↑1.1 | |
| 5/21 06:40 | 249.7 | ↑0.4 | 満潮 |
| 5/21 06:50 | 249.5 | ↓-0.2 | |
| 5/21 07:00 | 248.6 | ↓-0.9 | |
| 5/21 07:10 | 247.1 | ↓-1.5 | |
| 5/21 07:20 | 244.9 | ↓-2.2 | |
| 5/21 07:30 | 242.0 | ↓-2.9 | |
| 5/21 07:40 | 238.5 | ↓-3.5 | |
| 5/21 07:50 | 234.4 | ↓-4.1 | |
| 5/21 08:00 | 229.7 | ↓-4.7 | |
| 5/21 08:10 | 224.5 | ↓-5.2 | |
| 5/21 08:20 | 218.7 | ↓-5.8 | |
| 5/21 08:30 | 212.4 | ↓-6.3 | |
| 5/21 08:40 | 205.7 | ↓-6.7 | |
| 5/21 08:50 | 198.5 | ↓-7.2 | |
| 5/21 09:00 | 191.0 | ↓-7.5 | |
| 5/21 09:10 | 183.2 | ↓-7.8 | |
| 5/21 09:20 | 175.1 | ↓-8.1 | |
| 5/21 09:30 | 166.7 | ↓-8.4 | |
| 5/21 09:40 | 158.3 | ↓-8.4 | |
| 5/21 09:50 | 149.7 | ↓-8.6 | |
| 5/21 10:00 | 141.1 | ↓-8.6 | |
| 5/21 10:10 | 132.5 | ↓-8.6 | |
| 5/21 10:20 | 123.9 | ↓-8.6 | |
| 5/21 10:30 | 115.5 | ↓-8.4 | |
| 5/21 10:40 | 107.3 | ↓-8.2 | |
| 5/21 10:50 | 99.3 | ↓-8.0 | |
| 5/21 11:00 | 91.6 | ↓-7.7 | |
| 5/21 11:10 | 84.3 | ↓-7.3 | |
| 5/21 11:20 | 77.4 | ↓-6.9 | |
| 5/21 11:30 | 70.9 | ↓-6.5 | |
| 5/21 11:40 | 64.9 | ↓-6.0 | |
| 5/21 11:50 | 59.4 | ↓-5.5 | |
| 5/21 12:00 | 54.5 | ↓-4.9 | |
| 5/21 12:10 | 50.2 | ↓-4.3 | |
| 5/21 12:20 | 46.5 | ↓-3.7 | |
| 5/21 12:30 | 43.5 | ↓-3.0 | |
| 5/21 12:40 | 41.2 | ↓-2.3 | |
| 5/21 12:50 | 39.6 | ↓-1.6 | |
| 5/21 13:00 | 38.6 | ↓-1.0 | 干潮 |
| 5/21 13:10 | 38.4 | ↓-0.2 | |
| 5/21 13:20 | 38.9 | ↑0.5 | |
| 5/21 13:30 | 40.2 | ↑1.3 | |
| 5/21 13:40 | 42.1 | ↑1.9 | |
| 5/21 13:50 | 44.7 | ↑2.6 | |
| 5/21 14:00 | 48.0 | ↑3.3 | |
| 5/21 14:10 | 51.9 | ↑3.9 | |
| 5/21 14:20 | 56.5 | ↑4.6 | |
| 5/21 14:30 | 61.6 | ↑5.1 | |
| 5/21 14:40 | 67.4 | ↑5.8 | |
| 5/21 14:50 | 73.6 | ↑6.2 | |
| 5/21 15:00 | 80.3 | ↑6.7 | |
| 5/21 15:10 | 87.5 | ↑7.2 | |
| 5/21 15:20 | 95.0 | ↑7.5 | |
| 5/21 15:30 | 102.8 | ↑7.8 | |
| 5/21 15:40 | 111.0 | ↑8.2 | |
| 5/21 15:50 | 119.3 | ↑8.3 | |
| 5/21 16:00 | 127.9 | ↑8.6 | |
| 5/21 16:10 | 136.5 | ↑8.6 | |
| 5/21 16:20 | 145.2 | ↑8.7 | 最大潮位差 |
| 5/21 16:30 | 153.8 | ↑8.6 | |
| 5/21 16:40 | 162.4 | ↑8.6 | |
| 5/21 16:50 | 170.9 | ↑8.5 | |
| 5/21 17:00 | 179.2 | ↑8.3 | |
| 5/21 17:10 | 187.2 | ↑8.0 | |
| 5/21 17:20 | 194.9 | ↑7.7 | |
| 5/21 17:30 | 202.3 | ↑7.4 | |
| 5/21 17:40 | 209.3 | ↑7.0 | |
| 5/21 17:50 | 215.9 | ↑6.6 | |
| 5/21 18:00 | 222.0 | ↑6.1 | |
| 5/21 18:10 | 227.5 | ↑5.5 | |
| 5/21 18:20 | 232.5 | ↑5.0 | |
| 5/21 18:30 | 236.9 | ↑4.4 | |
| 5/21 18:40 | 240.7 | ↑3.8 | |
| 5/21 18:50 | 243.9 | ↑3.2 | |
| 5/21 19:00 | 246.4 | ↑2.5 | |
| 5/21 19:10 | 248.2 | ↑1.8 | |
| 5/21 19:20 | 249.3 | ↑1.1 | |
| 5/21 19:30 | 249.8 | ↑0.5 | 満潮 |
| 5/21 19:40 | 249.6 | ↓-0.2 | |
| 5/21 19:50 | 248.7 | ↓-0.9 | |
| 5/21 20:00 | 247.1 | ↓-1.6 | |
| 5/21 20:10 | 244.9 | ↓-2.2 | |
| 5/21 20:20 | 242.1 | ↓-2.8 | |
| 5/21 20:30 | 238.6 | ↓-3.5 | |
| 5/21 20:40 | 234.6 | ↓-4.0 | |
| 5/21 20:50 | 230.1 | ↓-4.5 | |
| 5/21 21:00 | 225.1 | ↓-5.0 | |
| 5/21 21:10 | 219.6 | ↓-5.5 | |
| 5/21 21:20 | 213.7 | ↓-5.9 | |
| 5/21 21:30 | 207.4 | ↓-6.3 | |
| 5/21 21:40 | 200.8 | ↓-6.6 | |
| 5/21 21:50 | 194.0 | ↓-6.8 | |
| 5/21 22:00 | 187.0 | ↓-7.0 | |
| 5/21 22:10 | 179.8 | ↓-7.2 | |
| 5/21 22:20 | 172.5 | ↓-7.3 | |
| 5/21 22:30 | 165.2 | ↓-7.3 | |
| 5/21 22:40 | 157.9 | ↓-7.3 | |
| 5/21 22:50 | 150.6 | ↓-7.3 | |
| 5/21 23:00 | 143.6 | ↓-7.0 | |
| 5/21 23:10 | 136.7 | ↓-6.9 | |
| 5/21 23:20 | 130.0 | ↓-6.7 | |
| 5/21 23:30 | 123.7 | ↓-6.3 | |
| 5/21 23:40 | 117.6 | ↓-6.1 | |
| 5/21 23:50 | 112.0 | ↓-5.6 |