| 満潮 | 干潮 | 満潮 | 干潮 |
|
21
(水) |
09:39 | 03:32 | 22:30 | 16:28 |
| 148cm | 53cm | 119cm | 17cm | |
|
||||
八幡（福岡）2031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 | 93.1 | ↓-3.0 | |
| 5/21 00:10 | 90.1 | ↓-3.0 | |
| 5/21 00:20 | 87.1 | ↓-3.0 | |
| 5/21 00:30 | 84.1 | ↓-3.0 | |
| 5/21 00:40 | 81.2 | ↓-2.9 | |
| 5/21 00:50 | 78.4 | ↓-2.8 | |
| 5/21 01:00 | 75.7 | ↓-2.7 | |
| 5/21 01:10 | 73.1 | ↓-2.6 | |
| 5/21 01:20 | 70.6 | ↓-2.5 | |
| 5/21 01:30 | 68.3 | ↓-2.3 | |
| 5/21 01:40 | 66.0 | ↓-2.3 | |
| 5/21 01:50 | 64.0 | ↓-2.0 | |
| 5/21 02:00 | 62.0 | ↓-2.0 | |
| 5/21 02:10 | 60.2 | ↓-1.8 | |
| 5/21 02:20 | 58.6 | ↓-1.6 | |
| 5/21 02:30 | 57.2 | ↓-1.4 | |
| 5/21 02:40 | 55.9 | ↓-1.3 | |
| 5/21 02:50 | 54.8 | ↓-1.1 | |
| 5/21 03:00 | 54.0 | ↓-0.8 | |
| 5/21 03:10 | 53.3 | ↓-0.7 | |
| 5/21 03:20 | 52.9 | ↓-0.4 | |
| 5/21 03:30 | 52.8 | ↓-0.1 | 干潮 |
| 5/21 03:40 | 52.9 | ↑0.1 | |
| 5/21 03:50 | 53.3 | ↑0.4 | |
| 5/21 04:00 | 54.0 | ↑0.7 | |
| 5/21 04:10 | 55.0 | ↑1.0 | |
| 5/21 04:20 | 56.3 | ↑1.3 | |
| 5/21 04:30 | 57.9 | ↑1.6 | |
| 5/21 04:40 | 59.8 | ↑1.9 | |
| 5/21 04:50 | 62.0 | ↑2.2 | |
| 5/21 05:00 | 64.5 | ↑2.5 | |
| 5/21 05:10 | 67.3 | ↑2.8 | |
| 5/21 05:20 | 70.3 | ↑3.0 | |
| 5/21 05:30 | 73.5 | ↑3.2 | |
| 5/21 05:40 | 77.0 | ↑3.5 | |
| 5/21 05:50 | 80.6 | ↑3.6 | |
| 5/21 06:00 | 84.3 | ↑3.7 | |
| 5/21 06:10 | 88.2 | ↑3.9 | |
| 5/21 06:20 | 92.1 | ↑3.9 | |
| 5/21 06:30 | 96.1 | ↑4.0 | |
| 5/21 06:40 | 100.2 | ↑4.1 | |
| 5/21 06:50 | 104.2 | ↑4.0 | |
| 5/21 07:00 | 108.2 | ↑4.0 | |
| 5/21 07:10 | 112.1 | ↑3.9 | |
| 5/21 07:20 | 116.0 | ↑3.9 | |
| 5/21 07:30 | 119.7 | ↑3.7 | |
| 5/21 07:40 | 123.4 | ↑3.7 | |
| 5/21 07:50 | 126.9 | ↑3.5 | |
| 5/21 08:00 | 130.2 | ↑3.3 | |
| 5/21 08:10 | 133.3 | ↑3.1 | |
| 5/21 08:20 | 136.1 | ↑2.8 | |
| 5/21 08:30 | 138.8 | ↑2.7 | |
| 5/21 08:40 | 141.1 | ↑2.3 | |
| 5/21 08:50 | 143.1 | ↑2.0 | |
| 5/21 09:00 | 144.8 | ↑1.7 | |
| 5/21 09:10 | 146.2 | ↑1.4 | |
| 5/21 09:20 | 147.2 | ↑1.0 | |
| 5/21 09:30 | 147.7 | ↑0.5 | 満潮 |
| 5/21 09:40 | 147.9 | ↑0.2 | |
| 5/21 09:50 | 147.6 | ↓-0.3 | |
| 5/21 10:00 | 146.9 | ↓-0.7 | |
| 5/21 10:10 | 145.7 | ↓-1.2 | |
| 5/21 10:20 | 144.0 | ↓-1.7 | |
| 5/21 10:30 | 142.0 | ↓-2.0 | |
| 5/21 10:40 | 139.5 | ↓-2.5 | |
| 5/21 10:50 | 136.5 | ↓-3.0 | |
| 5/21 11:00 | 133.3 | ↓-3.2 | |
| 5/21 11:10 | 129.6 | ↓-3.7 | |
| 5/21 11:20 | 125.6 | ↓-4.0 | |
| 5/21 11:30 | 121.4 | ↓-4.2 | |
| 5/21 11:40 | 116.9 | ↓-4.5 | |
| 5/21 11:50 | 112.3 | ↓-4.6 | |
| 5/21 12:00 | 107.4 | ↓-4.9 | |
| 5/21 12:10 | 102.5 | ↓-4.9 | |
| 5/21 12:20 | 97.5 | ↓-5.0 | 最大潮位差 |
| 5/21 12:30 | 92.5 | ↓-5.0 | 最大潮位差 |
| 5/21 12:40 | 87.5 | ↓-5.0 | 最大潮位差 |
| 5/21 12:50 | 82.5 | ↓-5.0 | 最大潮位差 |
| 5/21 13:00 | 77.6 | ↓-4.9 | |
| 5/21 13:10 | 72.8 | ↓-4.8 | |
| 5/21 13:20 | 68.1 | ↓-4.7 | |
| 5/21 13:30 | 63.5 | ↓-4.6 | |
| 5/21 13:40 | 59.0 | ↓-4.5 | |
| 5/21 13:50 | 54.7 | ↓-4.3 | |
| 5/21 14:00 | 50.6 | ↓-4.1 | |
| 5/21 14:10 | 46.6 | ↓-4.0 | |
| 5/21 14:20 | 42.8 | ↓-3.8 | |
| 5/21 14:30 | 39.3 | ↓-3.5 | |
| 5/21 14:40 | 35.9 | ↓-3.4 | |
| 5/21 14:50 | 32.7 | ↓-3.2 | |
| 5/21 15:00 | 29.7 | ↓-3.0 | |
| 5/21 15:10 | 27.0 | ↓-2.7 | |
| 5/21 15:20 | 24.6 | ↓-2.4 | |
| 5/21 15:30 | 22.4 | ↓-2.2 | |
| 5/21 15:40 | 20.6 | ↓-1.8 | |
| 5/21 15:50 | 19.1 | ↓-1.5 | |
| 5/21 16:00 | 17.9 | ↓-1.2 | |
| 5/21 16:10 | 17.0 | ↓-0.9 | |
| 5/21 16:20 | 16.6 | ↓-0.4 | 干潮 |
| 5/21 16:30 | 16.5 | ↓-0.1 | |
| 5/21 16:40 | 16.8 | ↑0.3 | |
| 5/21 16:50 | 17.5 | ↑0.7 | |
| 5/21 17:00 | 18.6 | ↑1.1 | |
| 5/21 17:10 | 20.1 | ↑1.5 | |
| 5/21 17:20 | 21.9 | ↑1.8 | |
| 5/21 17:30 | 24.1 | ↑2.2 | |
| 5/21 17:40 | 26.6 | ↑2.5 | |
| 5/21 17:50 | 29.4 | ↑2.8 | |
| 5/21 18:00 | 32.6 | ↑3.2 | |
| 5/21 18:10 | 35.9 | ↑3.3 | |
| 5/21 18:20 | 39.5 | ↑3.6 | |
| 5/21 18:30 | 43.3 | ↑3.8 | |
| 5/21 18:40 | 47.3 | ↑4.0 | |
| 5/21 18:50 | 51.4 | ↑4.1 | |
| 5/21 19:00 | 55.5 | ↑4.1 | |
| 5/21 19:10 | 59.8 | ↑4.3 | |
| 5/21 19:20 | 64.1 | ↑4.3 | |
| 5/21 19:30 | 68.4 | ↑4.3 | |
| 5/21 19:40 | 72.7 | ↑4.3 | |
| 5/21 19:50 | 76.9 | ↑4.2 | |
| 5/21 20:00 | 81.1 | ↑4.2 | |
| 5/21 20:10 | 85.2 | ↑4.1 | |
| 5/21 20:20 | 89.2 | ↑4.0 | |
| 5/21 20:30 | 93.1 | ↑3.9 | |
| 5/21 20:40 | 96.7 | ↑3.6 | |
| 5/21 20:50 | 100.2 | ↑3.5 | |
| 5/21 21:00 | 103.5 | ↑3.3 | |
| 5/21 21:10 | 106.5 | ↑3.0 | |
| 5/21 21:20 | 109.2 | ↑2.7 | |
| 5/21 21:30 | 111.6 | ↑2.4 | |
| 5/21 21:40 | 113.7 | ↑2.1 | |
| 5/21 21:50 | 115.5 | ↑1.8 | |
| 5/21 22:00 | 116.8 | ↑1.3 | |
| 5/21 22:10 | 117.8 | ↑1.0 | |
| 5/21 22:20 | 118.4 | ↑0.6 | 満潮 |
| 5/21 22:30 | 118.5 | ↑0.1 | 満潮 |
| 5/21 22:40 | 118.3 | ↓-0.2 | |
| 5/21 22:50 | 117.7 | ↓-0.6 | |
| 5/21 23:00 | 116.6 | ↓-1.1 | |
| 5/21 23:10 | 115.2 | ↓-1.4 | |
| 5/21 23:20 | 113.5 | ↓-1.7 | |
| 5/21 23:30 | 111.5 | ↓-2.0 | |
| 5/21 23:40 | 109.1 | ↓-2.4 | |
| 5/21 23:50 | 106.6 | ↓-2.5 |