| 満潮 | 干潮 | 満潮 | 干潮 |
|
21
(日) |
07:54 | 01:26 | 20:29 | 14:20 |
| 126cm | 54cm | 112cm | 32cm | |
|
||||
八幡（福岡）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 | 59.8 | ↓-1.4 | |
| 5/21 00:10 | 58.5 | ↓-1.3 | |
| 5/21 00:20 | 57.4 | ↓-1.1 | |
| 5/21 00:30 | 56.4 | ↓-1.0 | |
| 5/21 00:40 | 55.6 | ↓-0.8 | |
| 5/21 00:50 | 55.0 | ↓-0.6 | |
| 5/21 01:00 | 54.5 | ↓-0.5 | |
| 5/21 01:10 | 54.1 | ↓-0.4 | |
| 5/21 01:20 | 54.0 | ↓-0.1 | 干潮 |
| 5/21 01:30 | 54.0 | 0 | |
| 5/21 01:40 | 54.2 | ↑0.2 | |
| 5/21 01:50 | 54.5 | ↑0.3 | |
| 5/21 02:00 | 55.1 | ↑0.6 | |
| 5/21 02:10 | 55.8 | ↑0.7 | |
| 5/21 02:20 | 56.8 | ↑1.0 | |
| 5/21 02:30 | 57.9 | ↑1.1 | |
| 5/21 02:40 | 59.2 | ↑1.3 | |
| 5/21 02:50 | 60.8 | ↑1.6 | |
| 5/21 03:00 | 62.5 | ↑1.7 | |
| 5/21 03:10 | 64.3 | ↑1.8 | |
| 5/21 03:20 | 66.4 | ↑2.1 | |
| 5/21 03:30 | 68.6 | ↑2.2 | |
| 5/21 03:40 | 71.0 | ↑2.4 | |
| 5/21 03:50 | 73.5 | ↑2.5 | |
| 5/21 04:00 | 76.1 | ↑2.6 | |
| 5/21 04:10 | 78.8 | ↑2.7 | |
| 5/21 04:20 | 81.6 | ↑2.8 | |
| 5/21 04:30 | 84.5 | ↑2.9 | |
| 5/21 04:40 | 87.4 | ↑2.9 | |
| 5/21 04:50 | 90.3 | ↑2.9 | |
| 5/21 05:00 | 93.2 | ↑2.9 | |
| 5/21 05:10 | 96.1 | ↑2.9 | |
| 5/21 05:20 | 98.9 | ↑2.8 | |
| 5/21 05:30 | 101.7 | ↑2.8 | |
| 5/21 05:40 | 104.4 | ↑2.7 | |
| 5/21 05:50 | 107.1 | ↑2.7 | |
| 5/21 06:00 | 109.6 | ↑2.5 | |
| 5/21 06:10 | 112.0 | ↑2.4 | |
| 5/21 06:20 | 114.3 | ↑2.3 | |
| 5/21 06:30 | 116.4 | ↑2.1 | |
| 5/21 06:40 | 118.4 | ↑2.0 | |
| 5/21 06:50 | 120.1 | ↑1.7 | |
| 5/21 07:00 | 121.7 | ↑1.6 | |
| 5/21 07:10 | 123.0 | ↑1.3 | |
| 5/21 07:20 | 124.1 | ↑1.1 | |
| 5/21 07:30 | 124.9 | ↑0.8 | |
| 5/21 07:40 | 125.5 | ↑0.6 | |
| 5/21 07:50 | 125.7 | ↑0.2 | 満潮 |
| 5/21 08:00 | 125.7 | 0 | |
| 5/21 08:10 | 125.3 | ↓-0.4 | |
| 5/21 08:20 | 124.6 | ↓-0.7 | |
| 5/21 08:30 | 123.6 | ↓-1.0 | |
| 5/21 08:40 | 122.3 | ↓-1.3 | |
| 5/21 08:50 | 120.6 | ↓-1.7 | |
| 5/21 09:00 | 118.6 | ↓-2.0 | |
| 5/21 09:10 | 116.2 | ↓-2.4 | |
| 5/21 09:20 | 113.6 | ↓-2.6 | |
| 5/21 09:30 | 110.8 | ↓-2.8 | |
| 5/21 09:40 | 107.7 | ↓-3.1 | |
| 5/21 09:50 | 104.3 | ↓-3.4 | |
| 5/21 10:00 | 100.8 | ↓-3.5 | |
| 5/21 10:10 | 97.1 | ↓-3.7 | |
| 5/21 10:20 | 93.3 | ↓-3.8 | |
| 5/21 10:30 | 89.5 | ↓-3.8 | |
| 5/21 10:40 | 85.6 | ↓-3.9 | |
| 5/21 10:50 | 81.6 | ↓-4.0 | 最大潮位差 |
| 5/21 11:00 | 77.7 | ↓-3.9 | |
| 5/21 11:10 | 73.8 | ↓-3.9 | |
| 5/21 11:20 | 70.0 | ↓-3.8 | |
| 5/21 11:30 | 66.3 | ↓-3.7 | |
| 5/21 11:40 | 62.7 | ↓-3.6 | |
| 5/21 11:50 | 59.3 | ↓-3.4 | |
| 5/21 12:00 | 56.0 | ↓-3.3 | |
| 5/21 12:10 | 52.9 | ↓-3.1 | |
| 5/21 12:20 | 49.9 | ↓-3.0 | |
| 5/21 12:30 | 47.1 | ↓-2.8 | |
| 5/21 12:40 | 44.6 | ↓-2.5 | |
| 5/21 12:50 | 42.2 | ↓-2.4 | |
| 5/21 13:00 | 40.1 | ↓-2.1 | |
| 5/21 13:10 | 38.2 | ↓-1.9 | |
| 5/21 13:20 | 36.5 | ↓-1.7 | |
| 5/21 13:30 | 35.0 | ↓-1.5 | |
| 5/21 13:40 | 33.8 | ↓-1.2 | |
| 5/21 13:50 | 32.9 | ↓-0.9 | |
| 5/21 14:00 | 32.2 | ↓-0.7 | |
| 5/21 14:10 | 31.8 | ↓-0.4 | 干潮 |
| 5/21 14:20 | 31.7 | ↓-0.1 | 干潮 |
| 5/21 14:30 | 31.9 | ↑0.2 | |
| 5/21 14:40 | 32.4 | ↑0.5 | |
| 5/21 14:50 | 33.1 | ↑0.7 | |
| 5/21 15:00 | 34.2 | ↑1.1 | |
| 5/21 15:10 | 35.5 | ↑1.3 | |
| 5/21 15:20 | 37.1 | ↑1.6 | |
| 5/21 15:30 | 38.9 | ↑1.8 | |
| 5/21 15:40 | 41.1 | ↑2.2 | |
| 5/21 15:50 | 43.4 | ↑2.3 | |
| 5/21 16:00 | 46.0 | ↑2.6 | |
| 5/21 16:10 | 48.7 | ↑2.7 | |
| 5/21 16:20 | 51.6 | ↑2.9 | |
| 5/21 16:30 | 54.7 | ↑3.1 | |
| 5/21 16:40 | 57.9 | ↑3.2 | |
| 5/21 16:50 | 61.1 | ↑3.2 | |
| 5/21 17:00 | 64.4 | ↑3.3 | |
| 5/21 17:10 | 67.8 | ↑3.4 | |
| 5/21 17:20 | 71.2 | ↑3.4 | |
| 5/21 17:30 | 74.5 | ↑3.3 | |
| 5/21 17:40 | 77.8 | ↑3.3 | |
| 5/21 17:50 | 81.1 | ↑3.3 | |
| 5/21 18:00 | 84.3 | ↑3.2 | |
| 5/21 18:10 | 87.4 | ↑3.1 | |
| 5/21 18:20 | 90.4 | ↑3.0 | |
| 5/21 18:30 | 93.2 | ↑2.8 | |
| 5/21 18:40 | 95.9 | ↑2.7 | |
| 5/21 18:50 | 98.4 | ↑2.5 | |
| 5/21 19:00 | 100.8 | ↑2.4 | |
| 5/21 19:10 | 103.0 | ↑2.2 | |
| 5/21 19:20 | 104.9 | ↑1.9 | |
| 5/21 19:30 | 106.6 | ↑1.7 | |
| 5/21 19:40 | 108.1 | ↑1.5 | |
| 5/21 19:50 | 109.4 | ↑1.3 | |
| 5/21 20:00 | 110.3 | ↑0.9 | |
| 5/21 20:10 | 111.0 | ↑0.7 | |
| 5/21 20:20 | 111.4 | ↑0.4 | 満潮 |
| 5/21 20:30 | 111.5 | ↑0.1 | |
| 5/21 20:40 | 111.2 | ↓-0.3 | |
| 5/21 20:50 | 110.7 | ↓-0.5 | |
| 5/21 21:00 | 109.9 | ↓-0.8 | |
| 5/21 21:10 | 108.7 | ↓-1.2 | |
| 5/21 21:20 | 107.3 | ↓-1.4 | |
| 5/21 21:30 | 105.7 | ↓-1.6 | |
| 5/21 21:40 | 103.7 | ↓-2.0 | |
| 5/21 21:50 | 101.6 | ↓-2.1 | |
| 5/21 22:00 | 99.3 | ↓-2.3 | |
| 5/21 22:10 | 96.8 | ↓-2.5 | |
| 5/21 22:20 | 94.1 | ↓-2.7 | |
| 5/21 22:30 | 91.4 | ↓-2.7 | |
| 5/21 22:40 | 88.6 | ↓-2.8 | |
| 5/21 22:50 | 85.8 | ↓-2.8 | |
| 5/21 23:00 | 83.0 | ↓-2.8 | |
| 5/21 23:10 | 80.2 | ↓-2.8 | |
| 5/21 23:20 | 77.5 | ↓-2.7 | |
| 5/21 23:30 | 74.8 | ↓-2.7 | |
| 5/21 23:40 | 72.3 | ↓-2.5 | |
| 5/21 23:50 | 69.9 | ↓-2.4 |