| 満潮 | 干潮 | 満潮 | 干潮 |
|
21
(水) |
08:35 | 00:40 | 23:08 | 16:30 |
| 80cm | 55cm | 62cm | 37cm | |
|
||||
コイセボイ（北海道）2025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 | 54.4 | 0 | |
| 5/21 00:10 | 54.4 | 0 | |
| 5/21 00:20 | 54.3 | ↓-0.1 | |
| 5/21 00:30 | 54.3 | 0 | 干潮 |
| 5/21 00:40 | 54.3 | 0 | 干潮 |
| 5/21 00:50 | 54.3 | 0 | |
| 5/21 01:00 | 54.4 | ↑0.1 | |
| 5/21 01:10 | 54.4 | 0 | |
| 5/21 01:20 | 54.5 | ↑0.1 | |
| 5/21 01:30 | 54.6 | ↑0.1 | |
| 5/21 01:40 | 54.7 | ↑0.1 | |
| 5/21 01:50 | 54.9 | ↑0.2 | |
| 5/21 02:00 | 55.1 | ↑0.2 | |
| 5/21 02:10 | 55.4 | ↑0.3 | |
| 5/21 02:20 | 55.7 | ↑0.3 | |
| 5/21 02:30 | 56.0 | ↑0.3 | |
| 5/21 02:40 | 56.4 | ↑0.4 | |
| 5/21 02:50 | 56.8 | ↑0.4 | |
| 5/21 03:00 | 57.3 | ↑0.5 | |
| 5/21 03:10 | 57.8 | ↑0.5 | |
| 5/21 03:20 | 58.4 | ↑0.6 | |
| 5/21 03:30 | 59.0 | ↑0.6 | |
| 5/21 03:40 | 59.6 | ↑0.6 | |
| 5/21 03:50 | 60.3 | ↑0.7 | |
| 5/21 04:00 | 61.1 | ↑0.8 | |
| 5/21 04:10 | 61.8 | ↑0.7 | |
| 5/21 04:20 | 62.6 | ↑0.8 | |
| 5/21 04:30 | 63.4 | ↑0.8 | |
| 5/21 04:40 | 64.3 | ↑0.9 | |
| 5/21 04:50 | 65.2 | ↑0.9 | |
| 5/21 05:00 | 66.0 | ↑0.8 | |
| 5/21 05:10 | 66.9 | ↑0.9 | |
| 5/21 05:20 | 67.8 | ↑0.9 | |
| 5/21 05:30 | 68.7 | ↑0.9 | |
| 5/21 05:40 | 69.6 | ↑0.9 | |
| 5/21 05:50 | 70.5 | ↑0.9 | |
| 5/21 06:00 | 71.4 | ↑0.9 | |
| 5/21 06:10 | 72.3 | ↑0.9 | |
| 5/21 06:20 | 73.1 | ↑0.8 | |
| 5/21 06:30 | 73.9 | ↑0.8 | |
| 5/21 06:40 | 74.7 | ↑0.8 | |
| 5/21 06:50 | 75.4 | ↑0.7 | |
| 5/21 07:00 | 76.1 | ↑0.7 | |
| 5/21 07:10 | 76.7 | ↑0.6 | |
| 5/21 07:20 | 77.3 | ↑0.6 | |
| 5/21 07:30 | 77.8 | ↑0.5 | |
| 5/21 07:40 | 78.3 | ↑0.5 | |
| 5/21 07:50 | 78.7 | ↑0.4 | |
| 5/21 08:00 | 79.0 | ↑0.3 | |
| 5/21 08:10 | 79.2 | ↑0.2 | |
| 5/21 08:20 | 79.4 | ↑0.2 | |
| 5/21 08:30 | 79.5 | ↑0.1 | 満潮 |
| 5/21 08:40 | 79.5 | 0 | |
| 5/21 08:50 | 79.4 | ↓-0.1 | |
| 5/21 09:00 | 79.2 | ↓-0.2 | |
| 5/21 09:10 | 78.9 | ↓-0.3 | |
| 5/21 09:20 | 78.6 | ↓-0.3 | |
| 5/21 09:30 | 78.1 | ↓-0.5 | |
| 5/21 09:40 | 77.6 | ↓-0.5 | |
| 5/21 09:50 | 77.0 | ↓-0.6 | |
| 5/21 10:00 | 76.3 | ↓-0.7 | |
| 5/21 10:10 | 75.5 | ↓-0.8 | |
| 5/21 10:20 | 74.7 | ↓-0.8 | |
| 5/21 10:30 | 73.8 | ↓-0.9 | |
| 5/21 10:40 | 72.8 | ↓-1.0 | |
| 5/21 10:50 | 71.7 | ↓-1.1 | |
| 5/21 11:00 | 70.6 | ↓-1.1 | |
| 5/21 11:10 | 69.4 | ↓-1.2 | |
| 5/21 11:20 | 68.1 | ↓-1.3 | |
| 5/21 11:30 | 66.8 | ↓-1.3 | |
| 5/21 11:40 | 65.5 | ↓-1.3 | |
| 5/21 11:50 | 64.1 | ↓-1.4 | |
| 5/21 12:00 | 62.7 | ↓-1.4 | |
| 5/21 12:10 | 61.3 | ↓-1.4 | |
| 5/21 12:20 | 59.9 | ↓-1.4 | |
| 5/21 12:30 | 58.4 | ↓-1.5 | 最大潮位差 |
| 5/21 12:40 | 56.9 | ↓-1.5 | 最大潮位差 |
| 5/21 12:50 | 55.5 | ↓-1.4 | |
| 5/21 13:00 | 54.1 | ↓-1.4 | |
| 5/21 13:10 | 52.6 | ↓-1.5 | 最大潮位差 |
| 5/21 13:20 | 51.2 | ↓-1.4 | |
| 5/21 13:30 | 49.9 | ↓-1.3 | |
| 5/21 13:40 | 48.5 | ↓-1.4 | |
| 5/21 13:50 | 47.2 | ↓-1.3 | |
| 5/21 14:00 | 46.0 | ↓-1.2 | |
| 5/21 14:10 | 44.8 | ↓-1.2 | |
| 5/21 14:20 | 43.7 | ↓-1.1 | |
| 5/21 14:30 | 42.6 | ↓-1.1 | |
| 5/21 14:40 | 41.6 | ↓-1.0 | |
| 5/21 14:50 | 40.7 | ↓-0.9 | |
| 5/21 15:00 | 39.9 | ↓-0.8 | |
| 5/21 15:10 | 39.1 | ↓-0.8 | |
| 5/21 15:20 | 38.4 | ↓-0.7 | |
| 5/21 15:30 | 37.9 | ↓-0.5 | |
| 5/21 15:40 | 37.4 | ↓-0.5 | |
| 5/21 15:50 | 37.0 | ↓-0.4 | |
| 5/21 16:00 | 36.7 | ↓-0.3 | |
| 5/21 16:10 | 36.4 | ↓-0.3 | |
| 5/21 16:20 | 36.3 | ↓-0.1 | 干潮 |
| 5/21 16:30 | 36.3 | 0 | 干潮 |
| 5/21 16:40 | 36.3 | 0 | |
| 5/21 16:50 | 36.5 | ↑0.2 | |
| 5/21 17:00 | 36.7 | ↑0.2 | |
| 5/21 17:10 | 37.0 | ↑0.3 | |
| 5/21 17:20 | 37.4 | ↑0.4 | |
| 5/21 17:30 | 37.9 | ↑0.5 | |
| 5/21 17:40 | 38.4 | ↑0.5 | |
| 5/21 17:50 | 39.1 | ↑0.7 | |
| 5/21 18:00 | 39.7 | ↑0.6 | |
| 5/21 18:10 | 40.5 | ↑0.8 | |
| 5/21 18:20 | 41.3 | ↑0.8 | |
| 5/21 18:30 | 42.1 | ↑0.8 | |
| 5/21 18:40 | 43.0 | ↑0.9 | |
| 5/21 18:50 | 43.9 | ↑0.9 | |
| 5/21 19:00 | 44.8 | ↑0.9 | |
| 5/21 19:10 | 45.8 | ↑1.0 | |
| 5/21 19:20 | 46.8 | ↑1.0 | |
| 5/21 19:30 | 47.8 | ↑1.0 | |
| 5/21 19:40 | 48.8 | ↑1.0 | |
| 5/21 19:50 | 49.8 | ↑1.0 | |
| 5/21 20:00 | 50.8 | ↑1.0 | |
| 5/21 20:10 | 51.7 | ↑0.9 | |
| 5/21 20:20 | 52.7 | ↑1.0 | |
| 5/21 20:30 | 53.6 | ↑0.9 | |
| 5/21 20:40 | 54.5 | ↑0.9 | |
| 5/21 20:50 | 55.4 | ↑0.9 | |
| 5/21 21:00 | 56.2 | ↑0.8 | |
| 5/21 21:10 | 57.0 | ↑0.8 | |
| 5/21 21:20 | 57.7 | ↑0.7 | |
| 5/21 21:30 | 58.3 | ↑0.6 | |
| 5/21 21:40 | 58.9 | ↑0.6 | |
| 5/21 21:50 | 59.5 | ↑0.6 | |
| 5/21 22:00 | 60.0 | ↑0.5 | |
| 5/21 22:10 | 60.4 | ↑0.4 | |
| 5/21 22:20 | 60.7 | ↑0.3 | |
| 5/21 22:30 | 61.0 | ↑0.3 | |
| 5/21 22:40 | 61.2 | ↑0.2 | |
| 5/21 22:50 | 61.4 | ↑0.2 | |
| 5/21 23:00 | 61.5 | ↑0.1 | 満潮 |
| 5/21 23:10 | 61.5 | 0 | |
| 5/21 23:20 | 61.4 | ↓-0.1 | |
| 5/21 23:30 | 61.3 | ↓-0.1 | |
| 5/21 23:40 | 61.1 | ↓-0.2 | |
| 5/21 23:50 | 60.9 | ↓-0.2 |