| 満潮 | 干潮 | 満潮 | 干潮 |
|
21
(日) |
06:57 | 00:58 | 19:42 | 13:19 |
| 189cm | 60cm | 196cm | 27cm | |
|
||||
島山（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 | 66.8 | ↓-2.8 | |
| 5/21 00:10 | 64.4 | ↓-2.4 | |
| 5/21 00:20 | 62.4 | ↓-2.0 | |
| 5/21 00:30 | 60.9 | ↓-1.5 | |
| 5/21 00:40 | 59.8 | ↓-1.1 | |
| 5/21 00:50 | 59.2 | ↓-0.6 | 干潮 |
| 5/21 01:00 | 59.1 | ↓-0.1 | |
| 5/21 01:10 | 59.5 | ↑0.4 | |
| 5/21 01:20 | 60.3 | ↑0.8 | |
| 5/21 01:30 | 61.6 | ↑1.3 | |
| 5/21 01:40 | 63.4 | ↑1.8 | |
| 5/21 01:50 | 65.6 | ↑2.2 | |
| 5/21 02:00 | 68.3 | ↑2.7 | |
| 5/21 02:10 | 71.4 | ↑3.1 | |
| 5/21 02:20 | 74.9 | ↑3.5 | |
| 5/21 02:30 | 78.7 | ↑3.8 | |
| 5/21 02:40 | 82.9 | ↑4.2 | |
| 5/21 02:50 | 87.4 | ↑4.5 | |
| 5/21 03:00 | 92.2 | ↑4.8 | |
| 5/21 03:10 | 97.2 | ↑5.0 | |
| 5/21 03:20 | 102.4 | ↑5.2 | |
| 5/21 03:30 | 107.8 | ↑5.4 | |
| 5/21 03:40 | 113.3 | ↑5.5 | |
| 5/21 03:50 | 118.9 | ↑5.6 | |
| 5/21 04:00 | 124.5 | ↑5.6 | |
| 5/21 04:10 | 130.1 | ↑5.6 | |
| 5/21 04:20 | 135.7 | ↑5.6 | |
| 5/21 04:30 | 141.2 | ↑5.5 | |
| 5/21 04:40 | 146.6 | ↑5.4 | |
| 5/21 04:50 | 151.8 | ↑5.2 | |
| 5/21 05:00 | 156.7 | ↑4.9 | |
| 5/21 05:10 | 161.5 | ↑4.8 | |
| 5/21 05:20 | 165.9 | ↑4.4 | |
| 5/21 05:30 | 170.1 | ↑4.2 | |
| 5/21 05:40 | 173.8 | ↑3.7 | |
| 5/21 05:50 | 177.2 | ↑3.4 | |
| 5/21 06:00 | 180.2 | ↑3.0 | |
| 5/21 06:10 | 182.7 | ↑2.5 | |
| 5/21 06:20 | 184.8 | ↑2.1 | |
| 5/21 06:30 | 186.4 | ↑1.6 | |
| 5/21 06:40 | 187.5 | ↑1.1 | |
| 5/21 06:50 | 188.0 | ↑0.5 | 満潮 |
| 5/21 07:00 | 188.1 | ↑0.1 | |
| 5/21 07:10 | 187.7 | ↓-0.4 | |
| 5/21 07:20 | 186.7 | ↓-1.0 | |
| 5/21 07:30 | 185.2 | ↓-1.5 | |
| 5/21 07:40 | 183.2 | ↓-2.0 | |
| 5/21 07:50 | 180.7 | ↓-2.5 | |
| 5/21 08:00 | 177.7 | ↓-3.0 | |
| 5/21 08:10 | 174.2 | ↓-3.5 | |
| 5/21 08:20 | 170.3 | ↓-3.9 | |
| 5/21 08:30 | 166.0 | ↓-4.3 | |
| 5/21 08:40 | 161.2 | ↓-4.8 | |
| 5/21 08:50 | 156.1 | ↓-5.1 | |
| 5/21 09:00 | 150.7 | ↓-5.4 | |
| 5/21 09:10 | 144.9 | ↓-5.8 | |
| 5/21 09:20 | 138.9 | ↓-6.0 | |
| 5/21 09:30 | 132.7 | ↓-6.2 | |
| 5/21 09:40 | 126.3 | ↓-6.4 | |
| 5/21 09:50 | 119.8 | ↓-6.5 | |
| 5/21 10:00 | 113.2 | ↓-6.6 | |
| 5/21 10:10 | 106.5 | ↓-6.7 | |
| 5/21 10:20 | 99.8 | ↓-6.7 | |
| 5/21 10:30 | 93.2 | ↓-6.6 | |
| 5/21 10:40 | 86.7 | ↓-6.5 | |
| 5/21 10:50 | 80.3 | ↓-6.4 | |
| 5/21 11:00 | 74.0 | ↓-6.3 | |
| 5/21 11:10 | 68.0 | ↓-6.0 | |
| 5/21 11:20 | 62.3 | ↓-5.7 | |
| 5/21 11:30 | 56.9 | ↓-5.4 | |
| 5/21 11:40 | 51.8 | ↓-5.1 | |
| 5/21 11:50 | 47.1 | ↓-4.7 | |
| 5/21 12:00 | 42.8 | ↓-4.3 | |
| 5/21 12:10 | 39.0 | ↓-3.8 | |
| 5/21 12:20 | 35.6 | ↓-3.4 | |
| 5/21 12:30 | 32.7 | ↓-2.9 | |
| 5/21 12:40 | 30.4 | ↓-2.3 | |
| 5/21 12:50 | 28.6 | ↓-1.8 | |
| 5/21 13:00 | 27.3 | ↓-1.3 | |
| 5/21 13:10 | 26.6 | ↓-0.7 | 干潮 |
| 5/21 13:20 | 26.4 | ↓-0.2 | |
| 5/21 13:30 | 26.8 | ↑0.4 | |
| 5/21 13:40 | 27.8 | ↑1.0 | |
| 5/21 13:50 | 29.4 | ↑1.6 | |
| 5/21 14:00 | 31.4 | ↑2.0 | |
| 5/21 14:10 | 34.1 | ↑2.7 | |
| 5/21 14:20 | 37.2 | ↑3.1 | |
| 5/21 14:30 | 40.9 | ↑3.7 | |
| 5/21 14:40 | 45.0 | ↑4.1 | |
| 5/21 14:50 | 49.5 | ↑4.5 | |
| 5/21 15:00 | 54.5 | ↑5.0 | |
| 5/21 15:10 | 59.9 | ↑5.4 | |
| 5/21 15:20 | 65.6 | ↑5.7 | |
| 5/21 15:30 | 71.6 | ↑6.0 | |
| 5/21 15:40 | 77.9 | ↑6.3 | |
| 5/21 15:50 | 84.4 | ↑6.5 | |
| 5/21 16:00 | 91.1 | ↑6.7 | |
| 5/21 16:10 | 97.9 | ↑6.8 | |
| 5/21 16:20 | 104.8 | ↑6.9 | |
| 5/21 16:30 | 111.8 | ↑7.0 | 最大潮位差 |
| 5/21 16:40 | 118.7 | ↑6.9 | |
| 5/21 16:50 | 125.6 | ↑6.9 | |
| 5/21 17:00 | 132.4 | ↑6.8 | |
| 5/21 17:10 | 139.0 | ↑6.6 | |
| 5/21 17:20 | 145.5 | ↑6.5 | |
| 5/21 17:30 | 151.7 | ↑6.2 | |
| 5/21 17:40 | 157.7 | ↑6.0 | |
| 5/21 17:50 | 163.3 | ↑5.6 | |
| 5/21 18:00 | 168.6 | ↑5.3 | |
| 5/21 18:10 | 173.5 | ↑4.9 | |
| 5/21 18:20 | 177.9 | ↑4.4 | |
| 5/21 18:30 | 182.0 | ↑4.1 | |
| 5/21 18:40 | 185.5 | ↑3.5 | |
| 5/21 18:50 | 188.6 | ↑3.1 | |
| 5/21 19:00 | 191.1 | ↑2.5 | |
| 5/21 19:10 | 193.1 | ↑2.0 | |
| 5/21 19:20 | 194.5 | ↑1.4 | |
| 5/21 19:30 | 195.4 | ↑0.9 | |
| 5/21 19:40 | 195.8 | ↑0.4 | 満潮 |
| 5/21 19:50 | 195.6 | ↓-0.2 | |
| 5/21 20:00 | 194.8 | ↓-0.8 | |
| 5/21 20:10 | 193.5 | ↓-1.3 | |
| 5/21 20:20 | 191.7 | ↓-1.8 | |
| 5/21 20:30 | 189.4 | ↓-2.3 | |
| 5/21 20:40 | 186.6 | ↓-2.8 | |
| 5/21 20:50 | 183.3 | ↓-3.3 | |
| 5/21 21:00 | 179.5 | ↓-3.8 | |
| 5/21 21:10 | 175.4 | ↓-4.1 | |
| 5/21 21:20 | 170.8 | ↓-4.6 | |
| 5/21 21:30 | 165.9 | ↓-4.9 | |
| 5/21 21:40 | 160.7 | ↓-5.2 | |
| 5/21 21:50 | 155.3 | ↓-5.4 | |
| 5/21 22:00 | 149.6 | ↓-5.7 | |
| 5/21 22:10 | 143.8 | ↓-5.8 | |
| 5/21 22:20 | 137.8 | ↓-6.0 | |
| 5/21 22:30 | 131.7 | ↓-6.1 | |
| 5/21 22:40 | 125.5 | ↓-6.2 | |
| 5/21 22:50 | 119.4 | ↓-6.1 | |
| 5/21 23:00 | 113.3 | ↓-6.1 | |
| 5/21 23:10 | 107.3 | ↓-6.0 | |
| 5/21 23:20 | 101.5 | ↓-5.8 | |
| 5/21 23:30 | 95.8 | ↓-5.7 | |
| 5/21 23:40 | 90.4 | ↓-5.4 | |
| 5/21 23:50 | 85.2 | ↓-5.2 |