| 満潮 | 干潮 | 満潮 | 干潮 |
|
21
(日) |
02:45 | 10:16 | 17:20 | 21:37 |
| 141cm | -5cm | 113cm | 89cm | |
|
||||
花咲（北海道）2023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 | 113.2 | ↑2.5 | |
| 5/21 00:10 | 115.8 | ↑2.6 | |
| 5/21 00:20 | 118.3 | ↑2.5 | |
| 5/21 00:30 | 120.8 | ↑2.5 | |
| 5/21 00:40 | 123.2 | ↑2.4 | |
| 5/21 00:50 | 125.6 | ↑2.4 | |
| 5/21 01:00 | 127.8 | ↑2.2 | |
| 5/21 01:10 | 130.0 | ↑2.2 | |
| 5/21 01:20 | 132.0 | ↑2.0 | |
| 5/21 01:30 | 133.9 | ↑1.9 | |
| 5/21 01:40 | 135.5 | ↑1.6 | |
| 5/21 01:50 | 137.0 | ↑1.5 | |
| 5/21 02:00 | 138.3 | ↑1.3 | |
| 5/21 02:10 | 139.3 | ↑1.0 | |
| 5/21 02:20 | 140.1 | ↑0.8 | |
| 5/21 02:30 | 140.6 | ↑0.5 | |
| 5/21 02:40 | 140.9 | ↑0.3 | 満潮 |
| 5/21 02:50 | 140.8 | ↓-0.1 | |
| 5/21 03:00 | 140.5 | ↓-0.3 | |
| 5/21 03:10 | 139.9 | ↓-0.6 | |
| 5/21 03:20 | 138.9 | ↓-1.0 | |
| 5/21 03:30 | 137.7 | ↓-1.2 | |
| 5/21 03:40 | 136.1 | ↓-1.6 | |
| 5/21 03:50 | 134.2 | ↓-1.9 | |
| 5/21 04:00 | 132.0 | ↓-2.2 | |
| 5/21 04:10 | 129.5 | ↓-2.5 | |
| 5/21 04:20 | 126.6 | ↓-2.9 | |
| 5/21 04:30 | 123.5 | ↓-3.1 | |
| 5/21 04:40 | 120.1 | ↓-3.4 | |
| 5/21 04:50 | 116.5 | ↓-3.6 | |
| 5/21 05:00 | 112.6 | ↓-3.9 | |
| 5/21 05:10 | 108.5 | ↓-4.1 | |
| 5/21 05:20 | 104.2 | ↓-4.3 | |
| 5/21 05:30 | 99.6 | ↓-4.6 | |
| 5/21 05:40 | 95.0 | ↓-4.6 | |
| 5/21 05:50 | 90.1 | ↓-4.9 | |
| 5/21 06:00 | 85.2 | ↓-4.9 | |
| 5/21 06:10 | 80.2 | ↓-5.0 | |
| 5/21 06:20 | 75.1 | ↓-5.1 | |
| 5/21 06:30 | 70.0 | ↓-5.1 | |
| 5/21 06:40 | 64.8 | ↓-5.2 | 最大潮位差 |
| 5/21 06:50 | 59.7 | ↓-5.1 | |
| 5/21 07:00 | 54.6 | ↓-5.1 | |
| 5/21 07:10 | 49.5 | ↓-5.1 | |
| 5/21 07:20 | 44.6 | ↓-4.9 | |
| 5/21 07:30 | 39.7 | ↓-4.9 | |
| 5/21 07:40 | 35.0 | ↓-4.7 | |
| 5/21 07:50 | 30.5 | ↓-4.5 | |
| 5/21 08:00 | 26.1 | ↓-4.4 | |
| 5/21 08:10 | 22.0 | ↓-4.1 | |
| 5/21 08:20 | 18.0 | ↓-4.0 | |
| 5/21 08:30 | 14.3 | ↓-3.7 | |
| 5/21 08:40 | 10.9 | ↓-3.4 | |
| 5/21 08:50 | 7.8 | ↓-3.1 | |
| 5/21 09:00 | 4.9 | ↓-2.9 | |
| 5/21 09:10 | 2.4 | ↓-2.5 | |
| 5/21 09:20 | 0.2 | ↓-2.2 | |
| 5/21 09:30 | -1.6 | ↓-1.8 | |
| 5/21 09:40 | -3.1 | ↓-1.5 | |
| 5/21 09:50 | -4.3 | ↓-1.2 | |
| 5/21 10:00 | -5.0 | ↓-0.7 | |
| 5/21 10:10 | -5.4 | ↓-0.4 | 干潮 |
| 5/21 10:20 | -5.4 | 0 | |
| 5/21 10:30 | -5.0 | ↑0.4 | |
| 5/21 10:40 | -4.3 | ↑0.7 | |
| 5/21 10:50 | -3.2 | ↑1.1 | |
| 5/21 11:00 | -1.8 | ↑1.4 | |
| 5/21 11:10 | 0.0 | ↑1.8 | |
| 5/21 11:20 | 2.2 | 0 | |
| 5/21 11:30 | 4.6 | ↑2.4 | |
| 5/21 11:40 | 7.4 | ↑2.8 | |
| 5/21 11:50 | 10.4 | ↑3.0 | |
| 5/21 12:00 | 13.7 | ↑3.3 | |
| 5/21 12:10 | 17.2 | ↑3.5 | |
| 5/21 12:20 | 20.9 | ↑3.7 | |
| 5/21 12:30 | 24.8 | ↑3.9 | |
| 5/21 12:40 | 28.9 | ↑4.1 | |
| 5/21 12:50 | 33.1 | ↑4.2 | |
| 5/21 13:00 | 37.4 | ↑4.3 | |
| 5/21 13:10 | 41.8 | ↑4.4 | |
| 5/21 13:20 | 46.2 | ↑4.4 | |
| 5/21 13:30 | 50.7 | ↑4.5 | |
| 5/21 13:40 | 55.1 | ↑4.4 | |
| 5/21 13:50 | 59.6 | ↑4.5 | |
| 5/21 14:00 | 64.0 | ↑4.4 | |
| 5/21 14:10 | 68.3 | ↑4.3 | |
| 5/21 14:20 | 72.5 | ↑4.2 | |
| 5/21 14:30 | 76.5 | ↑4.0 | |
| 5/21 14:40 | 80.5 | ↑4.0 | |
| 5/21 14:50 | 84.2 | ↑3.7 | |
| 5/21 15:00 | 87.8 | ↑3.6 | |
| 5/21 15:10 | 91.2 | ↑3.4 | |
| 5/21 15:20 | 94.3 | ↑3.1 | |
| 5/21 15:30 | 97.2 | ↑2.9 | |
| 5/21 15:40 | 99.9 | ↑2.7 | |
| 5/21 15:50 | 102.3 | ↑2.4 | |
| 5/21 16:00 | 104.5 | ↑2.2 | |
| 5/21 16:10 | 106.3 | ↑1.8 | |
| 5/21 16:20 | 107.9 | ↑1.6 | |
| 5/21 16:30 | 109.3 | ↑1.4 | |
| 5/21 16:40 | 110.4 | ↑1.1 | |
| 5/21 16:50 | 111.2 | ↑0.8 | |
| 5/21 17:00 | 111.7 | ↑0.5 | |
| 5/21 17:10 | 112.1 | ↑0.4 | 満潮 |
| 5/21 17:20 | 112.1 | 0 | 満潮 |
| 5/21 17:30 | 112.0 | ↓-0.1 | |
| 5/21 17:40 | 111.7 | ↓-0.3 | |
| 5/21 17:50 | 111.2 | ↓-0.5 | |
| 5/21 18:00 | 110.5 | ↓-0.7 | |
| 5/21 18:10 | 109.6 | ↓-0.9 | |
| 5/21 18:20 | 108.7 | ↓-0.9 | |
| 5/21 18:30 | 107.6 | ↓-1.1 | |
| 5/21 18:40 | 106.4 | ↓-1.2 | |
| 5/21 18:50 | 105.2 | ↓-1.2 | |
| 5/21 19:00 | 103.8 | ↓-1.4 | |
| 5/21 19:10 | 102.5 | ↓-1.3 | |
| 5/21 19:20 | 101.1 | ↓-1.4 | |
| 5/21 19:30 | 99.8 | ↓-1.3 | |
| 5/21 19:40 | 98.4 | ↓-1.4 | |
| 5/21 19:50 | 97.1 | ↓-1.3 | |
| 5/21 20:00 | 95.8 | ↓-1.3 | |
| 5/21 20:10 | 94.6 | ↓-1.2 | |
| 5/21 20:20 | 93.5 | ↓-1.1 | |
| 5/21 20:30 | 92.5 | ↓-1.0 | |
| 5/21 20:40 | 91.5 | ↓-1.0 | |
| 5/21 20:50 | 90.8 | ↓-0.7 | |
| 5/21 21:00 | 90.1 | ↓-0.7 | |
| 5/21 21:10 | 89.6 | ↓-0.5 | |
| 5/21 21:20 | 89.2 | ↓-0.4 | |
| 5/21 21:30 | 89.0 | ↓-0.2 | 干潮 |
| 5/21 21:40 | 89.0 | 0 | |
| 5/21 21:50 | 89.1 | ↑0.1 | |
| 5/21 22:00 | 89.5 | ↑0.4 | |
| 5/21 22:10 | 90.0 | ↑0.5 | |
| 5/21 22:20 | 90.7 | ↑0.7 | |
| 5/21 22:30 | 91.6 | ↑0.9 | |
| 5/21 22:40 | 92.7 | ↑1.1 | |
| 5/21 22:50 | 94.0 | ↑1.3 | |
| 5/21 23:00 | 95.4 | ↑1.4 | |
| 5/21 23:10 | 97.0 | ↑1.6 | |
| 5/21 23:20 | 98.8 | ↑1.8 | |
| 5/21 23:30 | 100.7 | ↑1.9 | |
| 5/21 23:40 | 102.7 | ↑2.0 | |
| 5/21 23:50 | 104.9 | ↑2.2 |