| 満潮 | 干潮 | 満潮 | 干潮 |
|
21
(日) |
01:13 | 06:15 | 12:38 | 20:06 |
| 106cm | 58cm | 143cm | 21cm | |
|
||||
八幡（福岡）2045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 | 96.8 | ↑2.4 | |
| 5/21 00:10 | 99.0 | ↑2.2 | |
| 5/21 00:20 | 100.8 | ↑1.8 | |
| 5/21 00:30 | 102.4 | ↑1.6 | |
| 5/21 00:40 | 103.6 | ↑1.2 | |
| 5/21 00:50 | 104.5 | ↑0.9 | |
| 5/21 01:00 | 105.1 | ↑0.6 | |
| 5/21 01:10 | 105.3 | ↑0.2 | 満潮 |
| 5/21 01:20 | 105.2 | ↓-0.1 | |
| 5/21 01:30 | 104.8 | ↓-0.4 | |
| 5/21 01:40 | 104.0 | ↓-0.8 | |
| 5/21 01:50 | 102.9 | ↓-1.1 | |
| 5/21 02:00 | 101.6 | ↓-1.3 | |
| 5/21 02:10 | 100.0 | ↓-1.6 | |
| 5/21 02:20 | 98.1 | ↓-1.9 | |
| 5/21 02:30 | 96.1 | ↓-2.0 | |
| 5/21 02:40 | 93.8 | ↓-2.3 | |
| 5/21 02:50 | 91.5 | ↓-2.3 | |
| 5/21 03:00 | 89.0 | ↓-2.5 | |
| 5/21 03:10 | 86.5 | ↓-2.5 | |
| 5/21 03:20 | 84.0 | ↓-2.5 | |
| 5/21 03:30 | 81.5 | ↓-2.5 | |
| 5/21 03:40 | 79.0 | ↓-2.5 | |
| 5/21 03:50 | 76.6 | ↓-2.4 | |
| 5/21 04:00 | 74.2 | ↓-2.4 | |
| 5/21 04:10 | 72.0 | ↓-2.2 | |
| 5/21 04:20 | 69.9 | ↓-2.1 | |
| 5/21 04:30 | 67.9 | ↓-2.0 | |
| 5/21 04:40 | 66.1 | ↓-1.8 | |
| 5/21 04:50 | 64.5 | ↓-1.6 | |
| 5/21 05:00 | 63.0 | ↓-1.5 | |
| 5/21 05:10 | 61.7 | ↓-1.3 | |
| 5/21 05:20 | 60.6 | ↓-1.1 | |
| 5/21 05:30 | 59.6 | ↓-1.0 | |
| 5/21 05:40 | 58.9 | ↓-0.7 | |
| 5/21 05:50 | 58.3 | ↓-0.6 | |
| 5/21 06:00 | 57.9 | ↓-0.4 | |
| 5/21 06:10 | 57.7 | ↓-0.2 | 干潮 |
| 5/21 06:20 | 57.7 | 0 | |
| 5/21 06:30 | 58.0 | ↑0.3 | |
| 5/21 06:40 | 58.4 | ↑0.4 | |
| 5/21 06:50 | 59.1 | ↑0.7 | |
| 5/21 07:00 | 60.0 | ↑0.9 | |
| 5/21 07:10 | 61.2 | ↑1.2 | |
| 5/21 07:20 | 62.6 | ↑1.4 | |
| 5/21 07:30 | 64.2 | ↑1.6 | |
| 5/21 07:40 | 66.1 | ↑1.9 | |
| 5/21 07:50 | 68.3 | ↑2.2 | |
| 5/21 08:00 | 70.6 | ↑2.3 | |
| 5/21 08:10 | 73.2 | ↑2.6 | |
| 5/21 08:20 | 76.1 | ↑2.9 | |
| 5/21 08:30 | 79.1 | ↑3.0 | |
| 5/21 08:40 | 82.2 | ↑3.1 | |
| 5/21 08:50 | 85.6 | ↑3.4 | |
| 5/21 09:00 | 89.0 | ↑3.4 | |
| 5/21 09:10 | 92.5 | ↑3.5 | |
| 5/21 09:20 | 96.1 | ↑3.6 | |
| 5/21 09:30 | 99.8 | ↑3.7 | |
| 5/21 09:40 | 103.4 | ↑3.6 | |
| 5/21 09:50 | 107.0 | ↑3.6 | |
| 5/21 10:00 | 110.5 | ↑3.5 | |
| 5/21 10:10 | 114.0 | ↑3.5 | |
| 5/21 10:20 | 117.4 | ↑3.4 | |
| 5/21 10:30 | 120.6 | ↑3.2 | |
| 5/21 10:40 | 123.7 | ↑3.1 | |
| 5/21 10:50 | 126.6 | ↑2.9 | |
| 5/21 11:00 | 129.3 | ↑2.7 | |
| 5/21 11:10 | 131.8 | ↑2.5 | |
| 5/21 11:20 | 134.1 | ↑2.3 | |
| 5/21 11:30 | 136.2 | ↑2.1 | |
| 5/21 11:40 | 138.0 | ↑1.8 | |
| 5/21 11:50 | 139.5 | ↑1.5 | |
| 5/21 12:00 | 140.8 | ↑1.3 | |
| 5/21 12:10 | 141.8 | ↑1.0 | |
| 5/21 12:20 | 142.4 | ↑0.6 | |
| 5/21 12:30 | 142.8 | ↑0.4 | 満潮 |
| 5/21 12:40 | 142.9 | ↑0.1 | |
| 5/21 12:50 | 142.6 | ↓-0.3 | |
| 5/21 13:00 | 142.0 | ↓-0.6 | |
| 5/21 13:10 | 141.0 | ↓-1.0 | |
| 5/21 13:20 | 139.8 | ↓-1.2 | |
| 5/21 13:30 | 138.2 | ↓-1.6 | |
| 5/21 13:40 | 136.3 | ↓-1.9 | |
| 5/21 13:50 | 134.0 | ↓-2.3 | |
| 5/21 14:00 | 131.5 | ↓-2.5 | |
| 5/21 14:10 | 128.7 | ↓-2.8 | |
| 5/21 14:20 | 125.6 | ↓-3.1 | |
| 5/21 14:30 | 122.2 | ↓-3.4 | |
| 5/21 14:40 | 118.7 | ↓-3.5 | |
| 5/21 14:50 | 115.0 | ↓-3.7 | |
| 5/21 15:00 | 111.1 | ↓-3.9 | |
| 5/21 15:10 | 107.1 | ↓-4.0 | |
| 5/21 15:20 | 102.9 | ↓-4.2 | |
| 5/21 15:30 | 98.7 | ↓-4.2 | |
| 5/21 15:40 | 94.5 | ↓-4.2 | |
| 5/21 15:50 | 90.3 | ↓-4.2 | |
| 5/21 16:00 | 86.0 | ↓-4.3 | 最大潮位差 |
| 5/21 16:10 | 81.8 | ↓-4.2 | |
| 5/21 16:20 | 77.7 | ↓-4.1 | |
| 5/21 16:30 | 73.6 | ↓-4.1 | |
| 5/21 16:40 | 69.6 | ↓-4.0 | |
| 5/21 16:50 | 65.7 | ↓-3.9 | |
| 5/21 17:00 | 61.8 | ↓-3.9 | |
| 5/21 17:10 | 58.1 | ↓-3.7 | |
| 5/21 17:20 | 54.5 | ↓-3.6 | |
| 5/21 17:30 | 51.1 | ↓-3.4 | |
| 5/21 17:40 | 47.7 | ↓-3.4 | |
| 5/21 17:50 | 44.5 | ↓-3.2 | |
| 5/21 18:00 | 41.4 | ↓-3.1 | |
| 5/21 18:10 | 38.5 | ↓-2.9 | |
| 5/21 18:20 | 35.8 | ↓-2.7 | |
| 5/21 18:30 | 33.2 | ↓-2.6 | |
| 5/21 18:40 | 30.8 | ↓-2.4 | |
| 5/21 18:50 | 28.6 | ↓-2.2 | |
| 5/21 19:00 | 26.7 | ↓-1.9 | |
| 5/21 19:10 | 24.9 | ↓-1.8 | |
| 5/21 19:20 | 23.5 | ↓-1.4 | |
| 5/21 19:30 | 22.3 | ↓-1.2 | |
| 5/21 19:40 | 21.4 | ↓-0.9 | |
| 5/21 19:50 | 20.7 | ↓-0.7 | |
| 5/21 20:00 | 20.4 | ↓-0.3 | 干潮 |
| 5/21 20:10 | 20.4 | 0 | |
| 5/21 20:20 | 20.8 | ↑0.4 | |
| 5/21 20:30 | 21.4 | ↑0.6 | |
| 5/21 20:40 | 22.4 | ↑1.0 | |
| 5/21 20:50 | 23.6 | ↑1.2 | |
| 5/21 21:00 | 25.2 | ↑1.6 | |
| 5/21 21:10 | 27.0 | ↑1.8 | |
| 5/21 21:20 | 29.1 | ↑2.1 | |
| 5/21 21:30 | 31.5 | ↑2.4 | |
| 5/21 21:40 | 34.1 | ↑2.6 | |
| 5/21 21:50 | 36.8 | ↑2.7 | |
| 5/21 22:00 | 39.8 | ↑3.0 | |
| 5/21 22:10 | 42.8 | ↑3.0 | |
| 5/21 22:20 | 46.0 | ↑3.2 | |
| 5/21 22:30 | 49.3 | ↑3.3 | |
| 5/21 22:40 | 52.7 | ↑3.4 | |
| 5/21 22:50 | 56.1 | ↑3.4 | |
| 5/21 23:00 | 59.5 | ↑3.4 | |
| 5/21 23:10 | 62.9 | ↑3.4 | |
| 5/21 23:20 | 66.2 | ↑3.3 | |
| 5/21 23:30 | 69.6 | ↑3.4 | |
| 5/21 23:40 | 72.8 | ↑3.2 | |
| 5/21 23:50 | 76.0 | ↑3.2 |