| 満潮 | 干潮 | 満潮 | 干潮 |
|
21
(火) |
01:55 | 06:53 | 13:04 | 20:40 |
| 99cm | 65cm | 137cm | 30cm | |
|
||||
八幡（福岡）2041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 | 82.9 | ↑2.6 | |
| 5/21 00:10 | 85.3 | ↑2.4 | |
| 5/21 00:20 | 87.6 | ↑2.3 | |
| 5/21 00:30 | 89.7 | ↑2.1 | |
| 5/21 00:40 | 91.5 | ↑1.8 | |
| 5/21 00:50 | 93.2 | ↑1.7 | |
| 5/21 01:00 | 94.7 | ↑1.5 | |
| 5/21 01:10 | 95.9 | ↑1.2 | |
| 5/21 01:20 | 96.9 | ↑1.0 | |
| 5/21 01:30 | 97.6 | ↑0.7 | |
| 5/21 01:40 | 98.1 | ↑0.5 | |
| 5/21 01:50 | 98.3 | ↑0.2 | 満潮 |
| 5/21 02:00 | 98.3 | 0 | |
| 5/21 02:10 | 98.0 | ↓-0.3 | |
| 5/21 02:20 | 97.5 | ↓-0.5 | |
| 5/21 02:30 | 96.7 | ↓-0.8 | |
| 5/21 02:40 | 95.8 | ↓-0.9 | |
| 5/21 02:50 | 94.6 | ↓-1.2 | |
| 5/21 03:00 | 93.3 | ↓-1.3 | |
| 5/21 03:10 | 91.8 | ↓-1.5 | |
| 5/21 03:20 | 90.2 | ↓-1.6 | |
| 5/21 03:30 | 88.6 | ↓-1.6 | |
| 5/21 03:40 | 86.8 | ↓-1.8 | |
| 5/21 03:50 | 85.0 | ↓-1.8 | |
| 5/21 04:00 | 83.2 | ↓-1.8 | |
| 5/21 04:10 | 81.4 | ↓-1.8 | |
| 5/21 04:20 | 79.6 | ↓-1.8 | |
| 5/21 04:30 | 77.9 | ↓-1.7 | |
| 5/21 04:40 | 76.2 | ↓-1.7 | |
| 5/21 04:50 | 74.6 | ↓-1.6 | |
| 5/21 05:00 | 73.1 | ↓-1.5 | |
| 5/21 05:10 | 71.7 | ↓-1.4 | |
| 5/21 05:20 | 70.4 | ↓-1.3 | |
| 5/21 05:30 | 69.2 | ↓-1.2 | |
| 5/21 05:40 | 68.1 | ↓-1.1 | |
| 5/21 05:50 | 67.1 | ↓-1.0 | |
| 5/21 06:00 | 66.3 | ↓-0.8 | |
| 5/21 06:10 | 65.6 | ↓-0.7 | |
| 5/21 06:20 | 65.0 | ↓-0.6 | |
| 5/21 06:30 | 64.6 | ↓-0.4 | |
| 5/21 06:40 | 64.3 | ↓-0.3 | |
| 5/21 06:50 | 64.2 | ↓-0.1 | 干潮 |
| 5/21 07:00 | 64.3 | ↑0.1 | |
| 5/21 07:10 | 64.5 | ↑0.2 | |
| 5/21 07:20 | 64.9 | ↑0.4 | |
| 5/21 07:30 | 65.6 | ↑0.7 | |
| 5/21 07:40 | 66.4 | ↑0.8 | |
| 5/21 07:50 | 67.4 | ↑1.0 | |
| 5/21 08:00 | 68.7 | ↑1.3 | |
| 5/21 08:10 | 70.2 | ↑1.5 | |
| 5/21 08:20 | 71.9 | ↑1.7 | |
| 5/21 08:30 | 73.8 | ↑1.9 | |
| 5/21 08:40 | 76.0 | ↑2.2 | |
| 5/21 08:50 | 78.3 | ↑2.3 | |
| 5/21 09:00 | 80.8 | ↑2.5 | |
| 5/21 09:10 | 83.5 | ↑2.7 | |
| 5/21 09:20 | 86.3 | ↑2.8 | |
| 5/21 09:30 | 89.3 | ↑3.0 | |
| 5/21 09:40 | 92.3 | ↑3.0 | |
| 5/21 09:50 | 95.5 | ↑3.2 | |
| 5/21 10:00 | 98.7 | ↑3.2 | |
| 5/21 10:10 | 101.8 | ↑3.1 | |
| 5/21 10:20 | 105.0 | ↑3.2 | |
| 5/21 10:30 | 108.2 | ↑3.2 | |
| 5/21 10:40 | 111.3 | ↑3.1 | |
| 5/21 10:50 | 114.3 | ↑3.0 | |
| 5/21 11:00 | 117.2 | ↑2.9 | |
| 5/21 11:10 | 119.9 | ↑2.7 | |
| 5/21 11:20 | 122.5 | ↑2.6 | |
| 5/21 11:30 | 125.0 | ↑2.5 | |
| 5/21 11:40 | 127.2 | ↑2.2 | |
| 5/21 11:50 | 129.2 | ↑2.0 | |
| 5/21 12:00 | 131.0 | ↑1.8 | |
| 5/21 12:10 | 132.6 | ↑1.6 | |
| 5/21 12:20 | 133.9 | ↑1.3 | |
| 5/21 12:30 | 135.0 | ↑1.1 | |
| 5/21 12:40 | 135.8 | ↑0.8 | |
| 5/21 12:50 | 136.3 | ↑0.5 | |
| 5/21 13:00 | 136.6 | ↑0.3 | 満潮 |
| 5/21 13:10 | 136.5 | ↓-0.1 | |
| 5/21 13:20 | 136.1 | ↓-0.4 | |
| 5/21 13:30 | 135.5 | ↓-0.6 | |
| 5/21 13:40 | 134.5 | ↓-1.0 | |
| 5/21 13:50 | 133.3 | ↓-1.2 | |
| 5/21 14:00 | 131.7 | ↓-1.6 | |
| 5/21 14:10 | 129.9 | ↓-1.8 | |
| 5/21 14:20 | 127.7 | ↓-2.2 | |
| 5/21 14:30 | 125.3 | ↓-2.4 | |
| 5/21 14:40 | 122.7 | ↓-2.6 | |
| 5/21 14:50 | 119.8 | ↓-2.9 | |
| 5/21 15:00 | 116.8 | ↓-3.0 | |
| 5/21 15:10 | 113.5 | ↓-3.3 | |
| 5/21 15:20 | 110.1 | ↓-3.4 | |
| 5/21 15:30 | 106.6 | ↓-3.5 | |
| 5/21 15:40 | 102.9 | ↓-3.7 | |
| 5/21 15:50 | 99.2 | ↓-3.7 | |
| 5/21 16:00 | 95.5 | ↓-3.7 | |
| 5/21 16:10 | 91.7 | ↓-3.8 | 最大潮位差 |
| 5/21 16:20 | 87.9 | ↓-3.8 | 最大潮位差 |
| 5/21 16:30 | 84.2 | ↓-3.7 | |
| 5/21 16:40 | 80.5 | ↓-3.7 | |
| 5/21 16:50 | 76.9 | ↓-3.6 | |
| 5/21 17:00 | 73.3 | ↓-3.6 | |
| 5/21 17:10 | 69.9 | ↓-3.4 | |
| 5/21 17:20 | 66.5 | ↓-3.4 | |
| 5/21 17:30 | 63.3 | ↓-3.2 | |
| 5/21 17:40 | 60.2 | ↓-3.1 | |
| 5/21 17:50 | 57.2 | ↓-3.0 | |
| 5/21 18:00 | 54.3 | ↓-2.9 | |
| 5/21 18:10 | 51.5 | ↓-2.8 | |
| 5/21 18:20 | 48.9 | ↓-2.6 | |
| 5/21 18:30 | 46.4 | ↓-2.5 | |
| 5/21 18:40 | 44.0 | ↓-2.4 | |
| 5/21 18:50 | 41.8 | ↓-2.2 | |
| 5/21 19:00 | 39.7 | ↓-2.1 | |
| 5/21 19:10 | 37.8 | ↓-1.9 | |
| 5/21 19:20 | 36.0 | ↓-1.8 | |
| 5/21 19:30 | 34.4 | ↓-1.6 | |
| 5/21 19:40 | 33.1 | ↓-1.3 | |
| 5/21 19:50 | 31.9 | ↓-1.2 | |
| 5/21 20:00 | 30.9 | ↓-1.0 | |
| 5/21 20:10 | 30.1 | ↓-0.8 | |
| 5/21 20:20 | 29.5 | ↓-0.6 | |
| 5/21 20:30 | 29.2 | ↓-0.3 | 干潮 |
| 5/21 20:40 | 29.1 | ↓-0.1 | 干潮 |
| 5/21 20:50 | 29.3 | ↑0.2 | |
| 5/21 21:00 | 29.6 | ↑0.3 | |
| 5/21 21:10 | 30.3 | ↑0.7 | |
| 5/21 21:20 | 31.1 | ↑0.8 | |
| 5/21 21:30 | 32.2 | ↑1.1 | |
| 5/21 21:40 | 33.5 | ↑1.3 | |
| 5/21 21:50 | 34.9 | ↑1.4 | |
| 5/21 22:00 | 36.6 | ↑1.7 | |
| 5/21 22:10 | 38.4 | ↑1.8 | |
| 5/21 22:20 | 40.4 | ↑2.0 | |
| 5/21 22:30 | 42.5 | ↑2.1 | |
| 5/21 22:40 | 44.8 | ↑2.3 | |
| 5/21 22:50 | 47.1 | ↑2.3 | |
| 5/21 23:00 | 49.5 | ↑2.4 | |
| 5/21 23:10 | 52.0 | ↑2.5 | |
| 5/21 23:20 | 54.5 | ↑2.5 | |
| 5/21 23:30 | 57.0 | ↑2.5 | |
| 5/21 23:40 | 59.6 | ↑2.6 | |
| 5/21 23:50 | 62.2 | ↑2.6 |