| 満潮 | 干潮 | 満潮 | 干潮 |
|
21
(日) |
06:05 | 14:31 | - | - |
| 99cm | 22cm | - | - | |
|
||||
コイセボイ（北海道）2056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 | 54.9 | ↑0.8 | |
| 5/21 00:10 | 55.7 | ↑0.8 | |
| 5/21 00:20 | 56.7 | ↑1.0 | |
| 5/21 00:30 | 57.7 | ↑1.0 | |
| 5/21 00:40 | 58.7 | ↑1.0 | |
| 5/21 00:50 | 59.9 | ↑1.2 | |
| 5/21 01:00 | 61.1 | ↑1.2 | |
| 5/21 01:10 | 62.4 | ↑1.3 | |
| 5/21 01:20 | 63.8 | ↑1.4 | |
| 5/21 01:30 | 65.2 | ↑1.4 | |
| 5/21 01:40 | 66.7 | ↑1.5 | |
| 5/21 01:50 | 68.2 | ↑1.5 | |
| 5/21 02:00 | 69.8 | ↑1.6 | |
| 5/21 02:10 | 71.4 | ↑1.6 | |
| 5/21 02:20 | 73.0 | ↑1.6 | |
| 5/21 02:30 | 74.7 | ↑1.7 | |
| 5/21 02:40 | 76.4 | ↑1.7 | |
| 5/21 02:50 | 78.1 | ↑1.7 | |
| 5/21 03:00 | 79.7 | ↑1.6 | |
| 5/21 03:10 | 81.4 | ↑1.7 | |
| 5/21 03:20 | 83.0 | ↑1.6 | |
| 5/21 03:30 | 84.6 | ↑1.6 | |
| 5/21 03:40 | 86.2 | ↑1.6 | |
| 5/21 03:50 | 87.7 | ↑1.5 | |
| 5/21 04:00 | 89.1 | ↑1.4 | |
| 5/21 04:10 | 90.5 | ↑1.4 | |
| 5/21 04:20 | 91.8 | ↑1.3 | |
| 5/21 04:30 | 93.1 | ↑1.3 | |
| 5/21 04:40 | 94.2 | ↑1.1 | |
| 5/21 04:50 | 95.2 | ↑1.0 | |
| 5/21 05:00 | 96.1 | ↑0.9 | |
| 5/21 05:10 | 96.9 | ↑0.8 | |
| 5/21 05:20 | 97.6 | ↑0.7 | |
| 5/21 05:30 | 98.1 | ↑0.5 | |
| 5/21 05:40 | 98.5 | ↑0.4 | |
| 5/21 05:50 | 98.8 | ↑0.3 | |
| 5/21 06:00 | 98.9 | ↑0.1 | 満潮 |
| 5/21 06:10 | 98.9 | 0 | |
| 5/21 06:20 | 98.7 | ↓-0.2 | |
| 5/21 06:30 | 98.4 | ↓-0.3 | |
| 5/21 06:40 | 98.0 | ↓-0.4 | |
| 5/21 06:50 | 97.3 | ↓-0.7 | |
| 5/21 07:00 | 96.6 | ↓-0.7 | |
| 5/21 07:10 | 95.7 | ↓-0.9 | |
| 5/21 07:20 | 94.6 | ↓-1.1 | |
| 5/21 07:30 | 93.4 | ↓-1.2 | |
| 5/21 07:40 | 92.1 | ↓-1.3 | |
| 5/21 07:50 | 90.6 | ↓-1.5 | |
| 5/21 08:00 | 89.1 | ↓-1.5 | |
| 5/21 08:10 | 87.4 | ↓-1.7 | |
| 5/21 08:20 | 85.5 | ↓-1.9 | |
| 5/21 08:30 | 83.6 | ↓-1.9 | |
| 5/21 08:40 | 81.6 | ↓-2.0 | |
| 5/21 08:50 | 79.5 | ↓-2.1 | |
| 5/21 09:00 | 77.3 | ↓-2.2 | |
| 5/21 09:10 | 75.0 | ↓-2.3 | |
| 5/21 09:20 | 72.7 | ↓-2.3 | |
| 5/21 09:30 | 70.4 | ↓-2.3 | |
| 5/21 09:40 | 67.9 | ↓-2.5 | 最大潮位差 |
| 5/21 09:50 | 65.5 | ↓-2.4 | |
| 5/21 10:00 | 63.1 | ↓-2.4 | |
| 5/21 10:10 | 60.6 | ↓-2.5 | 最大潮位差 |
| 5/21 10:20 | 58.1 | ↓-2.5 | 最大潮位差 |
| 5/21 10:30 | 55.7 | ↓-2.4 | |
| 5/21 10:40 | 53.3 | ↓-2.4 | |
| 5/21 10:50 | 50.9 | ↓-2.4 | |
| 5/21 11:00 | 48.5 | ↓-2.4 | |
| 5/21 11:10 | 46.2 | ↓-2.3 | |
| 5/21 11:20 | 44.0 | ↓-2.2 | |
| 5/21 11:30 | 41.8 | ↓-2.2 | |
| 5/21 11:40 | 39.8 | ↓-2.0 | |
| 5/21 11:50 | 37.8 | ↓-2.0 | |
| 5/21 12:00 | 35.9 | ↓-1.9 | |
| 5/21 12:10 | 34.1 | ↓-1.8 | |
| 5/21 12:20 | 32.4 | ↓-1.7 | |
| 5/21 12:30 | 30.8 | ↓-1.6 | |
| 5/21 12:40 | 29.3 | ↓-1.5 | |
| 5/21 12:50 | 28.0 | ↓-1.3 | |
| 5/21 13:00 | 26.8 | ↓-1.2 | |
| 5/21 13:10 | 25.7 | ↓-1.1 | |
| 5/21 13:20 | 24.8 | ↓-0.9 | |
| 5/21 13:30 | 23.9 | ↓-0.9 | |
| 5/21 13:40 | 23.2 | ↓-0.7 | |
| 5/21 13:50 | 22.7 | ↓-0.5 | |
| 5/21 14:00 | 22.2 | ↓-0.5 | |
| 5/21 14:10 | 21.9 | ↓-0.3 | |
| 5/21 14:20 | 21.8 | ↓-0.1 | |
| 5/21 14:30 | 21.7 | ↓-0.1 | 干潮 |
| 5/21 14:40 | 21.8 | ↑0.1 | |
| 5/21 14:50 | 21.9 | ↑0.1 | |
| 5/21 15:00 | 22.2 | ↑0.3 | |
| 5/21 15:10 | 22.6 | ↑0.4 | |
| 5/21 15:20 | 23.1 | ↑0.5 | |
| 5/21 15:30 | 23.7 | ↑0.6 | |
| 5/21 15:40 | 24.3 | ↑0.6 | |
| 5/21 15:50 | 25.1 | ↑0.8 | |
| 5/21 16:00 | 25.9 | ↑0.8 | |
| 5/21 16:10 | 26.8 | ↑0.9 | |
| 5/21 16:20 | 27.7 | ↑0.9 | |
| 5/21 16:30 | 28.7 | ↑1.0 | |
| 5/21 16:40 | 29.7 | ↑1.0 | |
| 5/21 16:50 | 30.7 | ↑1.0 | |
| 5/21 17:00 | 31.8 | ↑1.1 | |
| 5/21 17:10 | 32.9 | ↑1.1 | |
| 5/21 17:20 | 34.0 | ↑1.1 | |
| 5/21 17:30 | 35.2 | ↑1.2 | |
| 5/21 17:40 | 36.3 | ↑1.1 | |
| 5/21 17:50 | 37.4 | ↑1.1 | |
| 5/21 18:00 | 38.5 | ↑1.1 | |
| 5/21 18:10 | 39.5 | ↑1.0 | |
| 5/21 18:20 | 40.6 | ↑1.1 | |
| 5/21 18:30 | 41.6 | ↑1.0 | |
| 5/21 18:40 | 42.6 | ↑1.0 | |
| 5/21 18:50 | 43.5 | ↑0.9 | |
| 5/21 19:00 | 44.4 | ↑0.9 | |
| 5/21 19:10 | 45.2 | ↑0.8 | |
| 5/21 19:20 | 46.0 | ↑0.8 | |
| 5/21 19:30 | 46.8 | ↑0.8 | |
| 5/21 19:40 | 47.5 | ↑0.7 | |
| 5/21 19:50 | 48.1 | ↑0.6 | |
| 5/21 20:00 | 48.7 | ↑0.6 | |
| 5/21 20:10 | 49.2 | ↑0.5 | |
| 5/21 20:20 | 49.7 | ↑0.5 | |
| 5/21 20:30 | 50.2 | ↑0.5 | |
| 5/21 20:40 | 50.5 | ↑0.3 | |
| 5/21 20:50 | 50.9 | ↑0.4 | |
| 5/21 21:00 | 51.2 | ↑0.3 | |
| 5/21 21:10 | 51.5 | ↑0.3 | |
| 5/21 21:20 | 51.7 | ↑0.2 | |
| 5/21 21:30 | 51.9 | ↑0.2 | |
| 5/21 21:40 | 52.0 | ↑0.1 | |
| 5/21 21:50 | 52.2 | ↑0.2 | |
| 5/21 22:00 | 52.3 | ↑0.1 | |
| 5/21 22:10 | 52.4 | ↑0.1 | |
| 5/21 22:20 | 52.5 | ↑0.1 | |
| 5/21 22:30 | 52.6 | ↑0.1 | |
| 5/21 22:40 | 52.7 | ↑0.1 | |
| 5/21 22:50 | 52.8 | ↑0.1 | |
| 5/21 23:00 | 53.0 | ↑0.2 | |
| 5/21 23:10 | 53.1 | ↑0.1 | |
| 5/21 23:20 | 53.3 | ↑0.2 | |
| 5/21 23:30 | 53.5 | ↑0.2 | |
| 5/21 23:40 | 53.7 | ↑0.2 | |
| 5/21 23:50 | 54.0 | ↑0.3 |