| 満潮 | 干潮 | 満潮 | 干潮 |
|
21
(日) |
14:06 | 07:27 | - | 17:51 |
| 62cm | 23cm | - | 54cm | |
|
||||
コイセボイ（北海道）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 | 86.6 | 0 | |
| 5/21 00:10 | 86.4 | ↓-0.2 | |
| 5/21 00:20 | 86.1 | ↓-0.3 | |
| 5/21 00:30 | 85.7 | ↓-0.4 | |
| 5/21 00:40 | 85.1 | ↓-0.6 | |
| 5/21 00:50 | 84.4 | ↓-0.7 | |
| 5/21 01:00 | 83.5 | ↓-0.9 | |
| 5/21 01:10 | 82.5 | ↓-1.0 | |
| 5/21 01:20 | 81.3 | ↓-1.2 | |
| 5/21 01:30 | 80.0 | ↓-1.3 | |
| 5/21 01:40 | 78.6 | ↓-1.4 | |
| 5/21 01:50 | 77.1 | ↓-1.5 | |
| 5/21 02:00 | 75.4 | ↓-1.7 | |
| 5/21 02:10 | 73.7 | ↓-1.7 | |
| 5/21 02:20 | 71.8 | ↓-1.9 | |
| 5/21 02:30 | 69.9 | ↓-1.9 | |
| 5/21 02:40 | 67.8 | ↓-2.1 | |
| 5/21 02:50 | 65.7 | ↓-2.1 | |
| 5/21 03:00 | 63.6 | ↓-2.1 | |
| 5/21 03:10 | 61.4 | ↓-2.2 | |
| 5/21 03:20 | 59.1 | ↓-2.3 | 最大潮位差 |
| 5/21 03:30 | 56.9 | ↓-2.2 | |
| 5/21 03:40 | 54.6 | ↓-2.3 | 最大潮位差 |
| 5/21 03:50 | 52.3 | ↓-2.3 | 最大潮位差 |
| 5/21 04:00 | 50.0 | ↓-2.3 | 最大潮位差 |
| 5/21 04:10 | 47.8 | ↓-2.2 | |
| 5/21 04:20 | 45.6 | ↓-2.2 | |
| 5/21 04:30 | 43.4 | ↓-2.2 | |
| 5/21 04:40 | 41.3 | ↓-2.1 | |
| 5/21 04:50 | 39.2 | ↓-2.1 | |
| 5/21 05:00 | 37.2 | ↓-2.0 | |
| 5/21 05:10 | 35.4 | ↓-1.8 | |
| 5/21 05:20 | 33.6 | ↓-1.8 | |
| 5/21 05:30 | 31.9 | ↓-1.7 | |
| 5/21 05:40 | 30.3 | ↓-1.6 | |
| 5/21 05:50 | 28.9 | ↓-1.4 | |
| 5/21 06:00 | 27.5 | ↓-1.4 | |
| 5/21 06:10 | 26.4 | ↓-1.1 | |
| 5/21 06:20 | 25.3 | ↓-1.1 | |
| 5/21 06:30 | 24.4 | ↓-0.9 | |
| 5/21 06:40 | 23.7 | ↓-0.7 | |
| 5/21 06:50 | 23.0 | ↓-0.7 | |
| 5/21 07:00 | 22.6 | ↓-0.4 | |
| 5/21 07:10 | 22.3 | ↓-0.3 | |
| 5/21 07:20 | 22.1 | ↓-0.2 | 干潮 |
| 5/21 07:30 | 22.1 | 0 | |
| 5/21 07:40 | 22.2 | ↑0.1 | |
| 5/21 07:50 | 22.5 | ↑0.3 | |
| 5/21 08:00 | 22.9 | ↑0.4 | |
| 5/21 08:10 | 23.5 | ↑0.6 | |
| 5/21 08:20 | 24.2 | ↑0.7 | |
| 5/21 08:30 | 25.0 | ↑0.8 | |
| 5/21 08:40 | 25.9 | ↑0.9 | |
| 5/21 08:50 | 26.9 | ↑1.0 | |
| 5/21 09:00 | 28.1 | ↑1.2 | |
| 5/21 09:10 | 29.3 | ↑1.2 | |
| 5/21 09:20 | 30.6 | ↑1.3 | |
| 5/21 09:30 | 31.9 | ↑1.3 | |
| 5/21 09:40 | 33.4 | ↑1.5 | |
| 5/21 09:50 | 34.8 | ↑1.4 | |
| 5/21 10:00 | 36.4 | ↑1.6 | |
| 5/21 10:10 | 37.9 | ↑1.5 | |
| 5/21 10:20 | 39.5 | ↑1.6 | |
| 5/21 10:30 | 41.1 | ↑1.6 | |
| 5/21 10:40 | 42.6 | ↑1.5 | |
| 5/21 10:50 | 44.2 | ↑1.6 | |
| 5/21 11:00 | 45.7 | ↑1.5 | |
| 5/21 11:10 | 47.2 | ↑1.5 | |
| 5/21 11:20 | 48.7 | ↑1.5 | |
| 5/21 11:30 | 50.1 | ↑1.4 | |
| 5/21 11:40 | 51.5 | ↑1.4 | |
| 5/21 11:50 | 52.8 | ↑1.3 | |
| 5/21 12:00 | 54.0 | ↑1.2 | |
| 5/21 12:10 | 55.1 | ↑1.1 | |
| 5/21 12:20 | 56.2 | ↑1.1 | |
| 5/21 12:30 | 57.1 | ↑0.9 | |
| 5/21 12:40 | 58.0 | ↑0.9 | |
| 5/21 12:50 | 58.8 | ↑0.8 | |
| 5/21 13:00 | 59.5 | ↑0.7 | |
| 5/21 13:10 | 60.0 | ↑0.5 | |
| 5/21 13:20 | 60.5 | ↑0.5 | |
| 5/21 13:30 | 60.9 | ↑0.4 | |
| 5/21 13:40 | 61.2 | ↑0.3 | |
| 5/21 13:50 | 61.4 | ↑0.2 | |
| 5/21 14:00 | 61.5 | ↑0.1 | 満潮 |
| 5/21 14:10 | 61.5 | 0 | |
| 5/21 14:20 | 61.4 | ↓-0.1 | |
| 5/21 14:30 | 61.2 | ↓-0.2 | |
| 5/21 14:40 | 61.0 | ↓-0.2 | |
| 5/21 14:50 | 60.7 | ↓-0.3 | |
| 5/21 15:00 | 60.3 | ↓-0.4 | |
| 5/21 15:10 | 59.9 | ↓-0.4 | |
| 5/21 15:20 | 59.4 | ↓-0.5 | |
| 5/21 15:30 | 59.0 | ↓-0.4 | |
| 5/21 15:40 | 58.4 | ↓-0.6 | |
| 5/21 15:50 | 57.9 | ↓-0.5 | |
| 5/21 16:00 | 57.4 | ↓-0.5 | |
| 5/21 16:10 | 56.8 | ↓-0.6 | |
| 5/21 16:20 | 56.3 | ↓-0.5 | |
| 5/21 16:30 | 55.8 | ↓-0.5 | |
| 5/21 16:40 | 55.3 | ↓-0.5 | |
| 5/21 16:50 | 54.8 | ↓-0.5 | |
| 5/21 17:00 | 54.5 | ↓-0.3 | |
| 5/21 17:10 | 54.1 | ↓-0.4 | |
| 5/21 17:20 | 53.8 | ↓-0.3 | |
| 5/21 17:30 | 53.6 | ↓-0.2 | |
| 5/21 17:40 | 53.5 | ↓-0.1 | |
| 5/21 17:50 | 53.5 | 0 | 干潮 |
| 5/21 18:00 | 53.5 | 0 | |
| 5/21 18:10 | 53.6 | ↑0.1 | |
| 5/21 18:20 | 53.9 | ↑0.3 | |
| 5/21 18:30 | 54.2 | ↑0.3 | |
| 5/21 18:40 | 54.7 | ↑0.5 | |
| 5/21 18:50 | 55.2 | ↑0.5 | |
| 5/21 19:00 | 55.9 | ↑0.7 | |
| 5/21 19:10 | 56.6 | ↑0.7 | |
| 5/21 19:20 | 57.5 | ↑0.9 | |
| 5/21 19:30 | 58.5 | ↑1.0 | |
| 5/21 19:40 | 59.5 | ↑1.0 | |
| 5/21 19:50 | 60.7 | ↑1.2 | |
| 5/21 20:00 | 62.0 | ↑1.3 | |
| 5/21 20:10 | 63.3 | ↑1.3 | |
| 5/21 20:20 | 64.7 | ↑1.4 | |
| 5/21 20:30 | 66.2 | ↑1.5 | |
| 5/21 20:40 | 67.8 | ↑1.6 | |
| 5/21 20:50 | 69.4 | ↑1.6 | |
| 5/21 21:00 | 71.0 | ↑1.6 | |
| 5/21 21:10 | 72.7 | ↑1.7 | |
| 5/21 21:20 | 74.4 | ↑1.7 | |
| 5/21 21:30 | 76.2 | ↑1.8 | |
| 5/21 21:40 | 77.9 | ↑1.7 | |
| 5/21 21:50 | 79.6 | ↑1.7 | |
| 5/21 22:00 | 81.3 | ↑1.7 | |
| 5/21 22:10 | 83.0 | ↑1.7 | |
| 5/21 22:20 | 84.6 | ↑1.6 | |
| 5/21 22:30 | 86.1 | ↑1.5 | |
| 5/21 22:40 | 87.6 | ↑1.5 | |
| 5/21 22:50 | 89.1 | ↑1.5 | |
| 5/21 23:00 | 90.4 | ↑1.3 | |
| 5/21 23:10 | 91.6 | ↑1.2 | |
| 5/21 23:20 | 92.7 | ↑1.1 | |
| 5/21 23:30 | 93.7 | ↑1.0 | |
| 5/21 23:40 | 94.6 | ↑0.9 | |
| 5/21 23:50 | 95.3 | ↑0.7 |