| 満潮 | 干潮 | 満潮 | 干潮 |
|
20
(木) |
07:59 | 16:35 | - | - |
| 86cm | 31cm | - | - | |
|
||||
コイセボイ（北海道）2021年05月20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 |
|---|---|---|---|
| 5/20 00:00 | 54.3 | ↑0.2 | |
| 5/20 00:10 | 54.6 | ↑0.3 | |
| 5/20 00:20 | 54.9 | ↑0.3 | |
| 5/20 00:30 | 55.2 | ↑0.3 | |
| 5/20 00:40 | 55.5 | ↑0.3 | |
| 5/20 00:50 | 55.8 | ↑0.3 | |
| 5/20 01:00 | 56.2 | ↑0.4 | |
| 5/20 01:10 | 56.6 | ↑0.4 | |
| 5/20 01:20 | 57.0 | ↑0.4 | |
| 5/20 01:30 | 57.5 | ↑0.5 | |
| 5/20 01:40 | 58.0 | ↑0.5 | |
| 5/20 01:50 | 58.5 | ↑0.5 | |
| 5/20 02:00 | 59.0 | ↑0.5 | |
| 5/20 02:10 | 59.6 | ↑0.6 | |
| 5/20 02:20 | 60.3 | ↑0.7 | |
| 5/20 02:30 | 60.9 | ↑0.6 | |
| 5/20 02:40 | 61.7 | ↑0.8 | |
| 5/20 02:50 | 62.4 | ↑0.7 | |
| 5/20 03:00 | 63.2 | ↑0.8 | |
| 5/20 03:10 | 64.0 | ↑0.8 | |
| 5/20 03:20 | 64.8 | ↑0.8 | |
| 5/20 03:30 | 65.7 | ↑0.9 | |
| 5/20 03:40 | 66.6 | ↑0.9 | |
| 5/20 03:50 | 67.5 | ↑0.9 | |
| 5/20 04:00 | 68.4 | ↑0.9 | |
| 5/20 04:10 | 69.4 | ↑1.0 | |
| 5/20 04:20 | 70.4 | ↑1.0 | |
| 5/20 04:30 | 71.3 | ↑0.9 | |
| 5/20 04:40 | 72.3 | ↑1.0 | |
| 5/20 04:50 | 73.3 | ↑1.0 | |
| 5/20 05:00 | 74.3 | ↑1.0 | |
| 5/20 05:10 | 75.2 | ↑0.9 | |
| 5/20 05:20 | 76.2 | ↑1.0 | |
| 5/20 05:30 | 77.1 | ↑0.9 | |
| 5/20 05:40 | 78.0 | ↑0.9 | |
| 5/20 05:50 | 78.9 | ↑0.9 | |
| 5/20 06:00 | 79.7 | ↑0.8 | |
| 5/20 06:10 | 80.5 | ↑0.8 | |
| 5/20 06:20 | 81.2 | ↑0.7 | |
| 5/20 06:30 | 81.9 | ↑0.7 | |
| 5/20 06:40 | 82.5 | ↑0.6 | |
| 5/20 06:50 | 83.1 | ↑0.6 | |
| 5/20 07:00 | 83.6 | ↑0.5 | |
| 5/20 07:10 | 84.0 | ↑0.4 | |
| 5/20 07:20 | 84.4 | ↑0.4 | |
| 5/20 07:30 | 84.7 | ↑0.3 | |
| 5/20 07:40 | 84.9 | ↑0.2 | |
| 5/20 07:50 | 85.0 | ↑0.1 | 満潮 |
| 5/20 08:00 | 85.0 | 0 | |
| 5/20 08:10 | 84.9 | ↓-0.1 | |
| 5/20 08:20 | 84.8 | ↓-0.1 | |
| 5/20 08:30 | 84.5 | ↓-0.3 | |
| 5/20 08:40 | 84.2 | ↓-0.3 | |
| 5/20 08:50 | 83.8 | ↓-0.4 | |
| 5/20 09:00 | 83.2 | ↓-0.6 | |
| 5/20 09:10 | 82.6 | ↓-0.6 | |
| 5/20 09:20 | 81.9 | ↓-0.7 | |
| 5/20 09:30 | 81.1 | ↓-0.8 | |
| 5/20 09:40 | 80.2 | ↓-0.9 | |
| 5/20 09:50 | 79.2 | ↓-1.0 | |
| 5/20 10:00 | 78.2 | ↓-1.0 | |
| 5/20 10:10 | 77.0 | ↓-1.2 | |
| 5/20 10:20 | 75.8 | ↓-1.2 | |
| 5/20 10:30 | 74.5 | ↓-1.3 | |
| 5/20 10:40 | 73.2 | ↓-1.3 | |
| 5/20 10:50 | 71.8 | ↓-1.4 | |
| 5/20 11:00 | 70.3 | ↓-1.5 | |
| 5/20 11:10 | 68.8 | ↓-1.5 | |
| 5/20 11:20 | 67.2 | ↓-1.6 | |
| 5/20 11:30 | 65.6 | ↓-1.6 | |
| 5/20 11:40 | 63.9 | ↓-1.7 | 最大潮位差 |
| 5/20 11:50 | 62.3 | ↓-1.6 | |
| 5/20 12:00 | 60.6 | ↓-1.7 | 最大潮位差 |
| 5/20 12:10 | 58.9 | ↓-1.7 | 最大潮位差 |
| 5/20 12:20 | 57.2 | ↓-1.7 | 最大潮位差 |
| 5/20 12:30 | 55.5 | ↓-1.7 | 最大潮位差 |
| 5/20 12:40 | 53.8 | ↓-1.7 | 最大潮位差 |
| 5/20 12:50 | 52.1 | ↓-1.7 | 最大潮位差 |
| 5/20 13:00 | 50.4 | ↓-1.7 | 最大潮位差 |
| 5/20 13:10 | 48.8 | ↓-1.6 | |
| 5/20 13:20 | 47.2 | ↓-1.6 | |
| 5/20 13:30 | 45.7 | ↓-1.5 | |
| 5/20 13:40 | 44.1 | ↓-1.6 | |
| 5/20 13:50 | 42.7 | ↓-1.4 | |
| 5/20 14:00 | 41.3 | ↓-1.4 | |
| 5/20 14:10 | 40.0 | ↓-1.3 | |
| 5/20 14:20 | 38.7 | ↓-1.3 | |
| 5/20 14:30 | 37.5 | ↓-1.2 | |
| 5/20 14:40 | 36.4 | ↓-1.1 | |
| 5/20 14:50 | 35.4 | ↓-1.0 | |
| 5/20 15:00 | 34.5 | ↓-0.9 | |
| 5/20 15:10 | 33.6 | ↓-0.9 | |
| 5/20 15:20 | 32.9 | ↓-0.7 | |
| 5/20 15:30 | 32.2 | ↓-0.7 | |
| 5/20 15:40 | 31.7 | ↓-0.5 | |
| 5/20 15:50 | 31.2 | ↓-0.5 | |
| 5/20 16:00 | 30.8 | ↓-0.4 | |
| 5/20 16:10 | 30.6 | ↓-0.2 | |
| 5/20 16:20 | 30.4 | ↓-0.2 | |
| 5/20 16:30 | 30.3 | ↓-0.1 | 干潮 |
| 5/20 16:40 | 30.3 | 0 | |
| 5/20 16:50 | 30.4 | ↑0.1 | |
| 5/20 17:00 | 30.6 | ↑0.2 | |
| 5/20 17:10 | 30.9 | ↑0.3 | |
| 5/20 17:20 | 31.2 | ↑0.3 | |
| 5/20 17:30 | 31.7 | ↑0.5 | |
| 5/20 17:40 | 32.2 | ↑0.5 | |
| 5/20 17:50 | 32.8 | ↑0.6 | |
| 5/20 18:00 | 33.4 | ↑0.6 | |
| 5/20 18:10 | 34.1 | ↑0.7 | |
| 5/20 18:20 | 34.9 | ↑0.8 | |
| 5/20 18:30 | 35.7 | ↑0.8 | |
| 5/20 18:40 | 36.6 | ↑0.9 | |
| 5/20 18:50 | 37.5 | ↑0.9 | |
| 5/20 19:00 | 38.4 | ↑0.9 | |
| 5/20 19:10 | 39.4 | ↑1.0 | |
| 5/20 19:20 | 40.3 | ↑0.9 | |
| 5/20 19:30 | 41.3 | ↑1.0 | |
| 5/20 19:40 | 42.4 | ↑1.1 | |
| 5/20 19:50 | 43.4 | ↑1.0 | |
| 5/20 20:00 | 44.4 | ↑1.0 | |
| 5/20 20:10 | 45.4 | ↑1.0 | |
| 5/20 20:20 | 46.4 | ↑1.0 | |
| 5/20 20:30 | 47.4 | ↑1.0 | |
| 5/20 20:40 | 48.3 | ↑0.9 | |
| 5/20 20:50 | 49.2 | ↑0.9 | |
| 5/20 21:00 | 50.1 | ↑0.9 | |
| 5/20 21:10 | 51.0 | ↑0.9 | |
| 5/20 21:20 | 51.8 | ↑0.8 | |
| 5/20 21:30 | 52.6 | ↑0.8 | |
| 5/20 21:40 | 53.3 | ↑0.7 | |
| 5/20 21:50 | 54.0 | ↑0.7 | |
| 5/20 22:00 | 54.7 | ↑0.7 | |
| 5/20 22:10 | 55.2 | ↑0.5 | |
| 5/20 22:20 | 55.8 | ↑0.6 | |
| 5/20 22:30 | 56.3 | ↑0.5 | |
| 5/20 22:40 | 56.7 | ↑0.4 | |
| 5/20 22:50 | 57.1 | ↑0.4 | |
| 5/20 23:00 | 57.4 | ↑0.3 | |
| 5/20 23:10 | 57.7 | ↑0.3 | |
| 5/20 23:20 | 57.9 | ↑0.2 | |
| 5/20 23:30 | 58.0 | ↑0.1 | |
| 5/20 23:40 | 58.2 | ↑0.2 | |
| 5/20 23:50 | 58.3 | ↑0.1 |