| 満潮 | 干潮 | 満潮 | 干潮 |
|
21
(日) |
02:16 | 07:05 | 13:30 | 21:10 |
| 97cm | 68cm | 120cm | 38cm | |
|
||||
八幡（福岡）2056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 | 77.9 | ↑2.5 | |
| 5/21 00:10 | 80.2 | ↑2.3 | |
| 5/21 00:20 | 82.5 | ↑2.3 | |
| 5/21 00:30 | 84.6 | ↑2.1 | |
| 5/21 00:40 | 86.5 | ↑1.9 | |
| 5/21 00:50 | 88.3 | ↑1.8 | |
| 5/21 01:00 | 90.0 | ↑1.7 | |
| 5/21 01:10 | 91.4 | ↑1.4 | |
| 5/21 01:20 | 92.7 | ↑1.3 | |
| 5/21 01:30 | 93.8 | ↑1.1 | |
| 5/21 01:40 | 94.6 | ↑0.8 | |
| 5/21 01:50 | 95.3 | ↑0.7 | |
| 5/21 02:00 | 95.7 | ↑0.4 | |
| 5/21 02:10 | 96.0 | ↑0.3 | 満潮 |
| 5/21 02:20 | 96.0 | 0 | |
| 5/21 02:30 | 95.8 | ↓-0.2 | |
| 5/21 02:40 | 95.3 | ↓-0.5 | |
| 5/21 02:50 | 94.7 | ↓-0.6 | |
| 5/21 03:00 | 93.9 | ↓-0.8 | |
| 5/21 03:10 | 92.9 | ↓-1.0 | |
| 5/21 03:20 | 91.8 | ↓-1.1 | |
| 5/21 03:30 | 90.5 | ↓-1.3 | |
| 5/21 03:40 | 89.1 | ↓-1.4 | |
| 5/21 03:50 | 87.6 | ↓-1.5 | |
| 5/21 04:00 | 86.1 | ↓-1.5 | |
| 5/21 04:10 | 84.5 | ↓-1.6 | |
| 5/21 04:20 | 82.8 | ↓-1.7 | |
| 5/21 04:30 | 81.2 | ↓-1.6 | |
| 5/21 04:40 | 79.6 | ↓-1.6 | |
| 5/21 04:50 | 78.0 | ↓-1.6 | |
| 5/21 05:00 | 76.5 | ↓-1.5 | |
| 5/21 05:10 | 75.1 | ↓-1.4 | |
| 5/21 05:20 | 73.8 | ↓-1.3 | |
| 5/21 05:30 | 72.6 | ↓-1.2 | |
| 5/21 05:40 | 71.5 | ↓-1.1 | |
| 5/21 05:50 | 70.5 | ↓-1.0 | |
| 5/21 06:00 | 69.6 | ↓-0.9 | |
| 5/21 06:10 | 68.8 | ↓-0.8 | |
| 5/21 06:20 | 68.2 | ↓-0.6 | |
| 5/21 06:30 | 67.7 | ↓-0.5 | |
| 5/21 06:40 | 67.4 | ↓-0.3 | |
| 5/21 06:50 | 67.1 | ↓-0.3 | |
| 5/21 07:00 | 67.0 | ↓-0.1 | 干潮 |
| 5/21 07:10 | 67.0 | 0 | |
| 5/21 07:20 | 67.2 | ↑0.2 | |
| 5/21 07:30 | 67.5 | ↑0.3 | |
| 5/21 07:40 | 67.9 | ↑0.4 | |
| 5/21 07:50 | 68.4 | ↑0.5 | |
| 5/21 08:00 | 69.1 | ↑0.7 | |
| 5/21 08:10 | 69.9 | ↑0.8 | |
| 5/21 08:20 | 70.9 | ↑1.0 | |
| 5/21 08:30 | 72.0 | ↑1.1 | |
| 5/21 08:40 | 73.2 | ↑1.2 | |
| 5/21 08:50 | 74.6 | ↑1.4 | |
| 5/21 09:00 | 76.2 | ↑1.6 | |
| 5/21 09:10 | 77.8 | ↑1.6 | |
| 5/21 09:20 | 79.6 | ↑1.8 | |
| 5/21 09:30 | 81.5 | ↑1.9 | |
| 5/21 09:40 | 83.6 | ↑2.1 | |
| 5/21 09:50 | 85.6 | ↑2.0 | |
| 5/21 10:00 | 87.8 | ↑2.2 | |
| 5/21 10:10 | 90.0 | ↑2.2 | |
| 5/21 10:20 | 92.3 | ↑2.3 | |
| 5/21 10:30 | 94.6 | ↑2.3 | |
| 5/21 10:40 | 96.9 | ↑2.3 | |
| 5/21 10:50 | 99.1 | ↑2.2 | |
| 5/21 11:00 | 101.3 | ↑2.2 | |
| 5/21 11:10 | 103.5 | ↑2.2 | |
| 5/21 11:20 | 105.5 | ↑2.0 | |
| 5/21 11:30 | 107.5 | ↑2.0 | |
| 5/21 11:40 | 109.4 | ↑1.9 | |
| 5/21 11:50 | 111.1 | ↑1.7 | |
| 5/21 12:00 | 112.8 | ↑1.7 | |
| 5/21 12:10 | 114.2 | ↑1.4 | |
| 5/21 12:20 | 115.6 | ↑1.4 | |
| 5/21 12:30 | 116.7 | ↑1.1 | |
| 5/21 12:40 | 117.7 | ↑1.0 | |
| 5/21 12:50 | 118.5 | ↑0.8 | |
| 5/21 13:00 | 119.2 | ↑0.7 | |
| 5/21 13:10 | 119.6 | ↑0.4 | |
| 5/21 13:20 | 119.9 | ↑0.3 | 満潮 |
| 5/21 13:30 | 120.0 | ↑0.1 | 満潮 |
| 5/21 13:40 | 119.8 | ↓-0.2 | |
| 5/21 13:50 | 119.5 | ↓-0.3 | |
| 5/21 14:00 | 119.0 | ↓-0.5 | |
| 5/21 14:10 | 118.3 | ↓-0.7 | |
| 5/21 14:20 | 117.3 | ↓-1.0 | |
| 5/21 14:30 | 116.2 | ↓-1.1 | |
| 5/21 14:40 | 114.9 | ↓-1.3 | |
| 5/21 14:50 | 113.4 | ↓-1.5 | |
| 5/21 15:00 | 111.7 | ↓-1.7 | |
| 5/21 15:10 | 109.8 | ↓-1.9 | |
| 5/21 15:20 | 107.8 | ↓-2.0 | |
| 5/21 15:30 | 105.6 | ↓-2.2 | |
| 5/21 15:40 | 103.3 | ↓-2.3 | |
| 5/21 15:50 | 100.8 | ↓-2.5 | |
| 5/21 16:00 | 98.3 | ↓-2.5 | |
| 5/21 16:10 | 95.6 | ↓-2.7 | |
| 5/21 16:20 | 92.9 | ↓-2.7 | |
| 5/21 16:30 | 90.2 | ↓-2.7 | |
| 5/21 16:40 | 87.4 | ↓-2.8 | 最大潮位差 |
| 5/21 16:50 | 84.6 | ↓-2.8 | 最大潮位差 |
| 5/21 17:00 | 81.8 | ↓-2.8 | 最大潮位差 |
| 5/21 17:10 | 79.0 | ↓-2.8 | 最大潮位差 |
| 5/21 17:20 | 76.2 | ↓-2.8 | 最大潮位差 |
| 5/21 17:30 | 73.5 | ↓-2.7 | |
| 5/21 17:40 | 70.8 | ↓-2.7 | |
| 5/21 17:50 | 68.2 | ↓-2.6 | |
| 5/21 18:00 | 65.7 | ↓-2.5 | |
| 5/21 18:10 | 63.2 | ↓-2.5 | |
| 5/21 18:20 | 60.8 | ↓-2.4 | |
| 5/21 18:30 | 58.4 | ↓-2.4 | |
| 5/21 18:40 | 56.2 | ↓-2.2 | |
| 5/21 18:50 | 54.1 | ↓-2.1 | |
| 5/21 19:00 | 52.0 | ↓-2.1 | |
| 5/21 19:10 | 50.0 | ↓-2.0 | |
| 5/21 19:20 | 48.2 | ↓-1.8 | |
| 5/21 19:30 | 46.5 | ↓-1.7 | |
| 5/21 19:40 | 44.8 | ↓-1.7 | |
| 5/21 19:50 | 43.4 | ↓-1.4 | |
| 5/21 20:00 | 42.0 | ↓-1.4 | |
| 5/21 20:10 | 40.8 | ↓-1.2 | |
| 5/21 20:20 | 39.8 | ↓-1.0 | |
| 5/21 20:30 | 38.9 | ↓-0.9 | |
| 5/21 20:40 | 38.2 | ↓-0.7 | |
| 5/21 20:50 | 37.8 | ↓-0.4 | |
| 5/21 21:00 | 37.5 | ↓-0.3 | 干潮 |
| 5/21 21:10 | 37.4 | ↓-0.1 | 干潮 |
| 5/21 21:20 | 37.5 | ↑0.1 | |
| 5/21 21:30 | 37.8 | ↑0.3 | |
| 5/21 21:40 | 38.3 | ↑0.5 | |
| 5/21 21:50 | 39.1 | ↑0.8 | |
| 5/21 22:00 | 40.0 | ↑0.9 | |
| 5/21 22:10 | 41.1 | ↑1.1 | |
| 5/21 22:20 | 42.5 | ↑1.4 | |
| 5/21 22:30 | 43.9 | ↑1.4 | |
| 5/21 22:40 | 45.6 | ↑1.7 | |
| 5/21 22:50 | 47.4 | ↑1.8 | |
| 5/21 23:00 | 49.3 | ↑1.9 | |
| 5/21 23:10 | 51.3 | ↑2.0 | |
| 5/21 23:20 | 53.4 | ↑2.1 | |
| 5/21 23:30 | 55.6 | ↑2.2 | |
| 5/21 23:40 | 57.9 | ↑2.3 | |
| 5/21 23:50 | 60.2 | ↑2.3 |