| 満潮 | 干潮 | 満潮 | 干潮 |
|
20
(木) |
01:14 | 09:05 | 16:01 | 18:47 |
| 105cm | 5cm | 59cm | 55cm | |
|
||||
コイセボイ（北海道）2027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 | 99.3 | ↑1.4 | |
| 5/20 00:10 | 100.5 | ↑1.2 | |
| 5/20 00:20 | 101.5 | ↑1.0 | |
| 5/20 00:30 | 102.4 | ↑0.9 | |
| 5/20 00:40 | 103.1 | ↑0.7 | |
| 5/20 00:50 | 103.6 | ↑0.5 | |
| 5/20 01:00 | 104.0 | ↑0.4 | |
| 5/20 01:10 | 104.1 | ↑0.1 | 満潮 |
| 5/20 01:20 | 104.1 | 0 | |
| 5/20 01:30 | 103.9 | ↓-0.2 | |
| 5/20 01:40 | 103.4 | ↓-0.5 | |
| 5/20 01:50 | 102.8 | ↓-0.6 | |
| 5/20 02:00 | 101.9 | ↓-0.9 | |
| 5/20 02:10 | 100.9 | ↓-1.0 | |
| 5/20 02:20 | 99.6 | ↓-1.3 | |
| 5/20 02:30 | 98.1 | ↓-1.5 | |
| 5/20 02:40 | 96.5 | ↓-1.6 | |
| 5/20 02:50 | 94.6 | ↓-1.9 | |
| 5/20 03:00 | 92.6 | ↓-2.0 | |
| 5/20 03:10 | 90.4 | ↓-2.2 | |
| 5/20 03:20 | 88.0 | ↓-2.4 | |
| 5/20 03:30 | 85.4 | ↓-2.6 | |
| 5/20 03:40 | 82.7 | ↓-2.7 | |
| 5/20 03:50 | 79.9 | ↓-2.8 | |
| 5/20 04:00 | 77.0 | ↓-2.9 | |
| 5/20 04:10 | 73.9 | ↓-3.1 | |
| 5/20 04:20 | 70.8 | ↓-3.1 | |
| 5/20 04:30 | 67.5 | ↓-3.3 | |
| 5/20 04:40 | 64.3 | ↓-3.2 | |
| 5/20 04:50 | 60.9 | ↓-3.4 | 最大潮位差 |
| 5/20 05:00 | 57.6 | ↓-3.3 | |
| 5/20 05:10 | 54.2 | ↓-3.4 | 最大潮位差 |
| 5/20 05:20 | 50.8 | ↓-3.4 | 最大潮位差 |
| 5/20 05:30 | 47.4 | ↓-3.4 | 最大潮位差 |
| 5/20 05:40 | 44.1 | ↓-3.3 | |
| 5/20 05:50 | 40.8 | ↓-3.3 | |
| 5/20 06:00 | 37.6 | ↓-3.2 | |
| 5/20 06:10 | 34.5 | ↓-3.1 | |
| 5/20 06:20 | 31.4 | ↓-3.1 | |
| 5/20 06:30 | 28.5 | ↓-2.9 | |
| 5/20 06:40 | 25.7 | ↓-2.8 | |
| 5/20 06:50 | 23.0 | ↓-2.7 | |
| 5/20 07:00 | 20.5 | ↓-2.5 | |
| 5/20 07:10 | 18.2 | ↓-2.3 | |
| 5/20 07:20 | 16.0 | ↓-2.2 | |
| 5/20 07:30 | 14.0 | ↓-2.0 | |
| 5/20 07:40 | 12.2 | ↓-1.8 | |
| 5/20 07:50 | 10.6 | ↓-1.6 | |
| 5/20 08:00 | 9.1 | ↓-1.5 | |
| 5/20 08:10 | 7.9 | ↓-1.2 | |
| 5/20 08:20 | 6.9 | ↓-1.0 | |
| 5/20 08:30 | 6.1 | ↓-0.8 | |
| 5/20 08:40 | 5.5 | ↓-0.6 | |
| 5/20 08:50 | 5.1 | ↓-0.4 | |
| 5/20 09:00 | 5.0 | ↓-0.1 | 干潮 |
| 5/20 09:10 | 5.0 | 0 | |
| 5/20 09:20 | 5.2 | ↑0.2 | |
| 5/20 09:30 | 5.6 | ↑0.4 | |
| 5/20 09:40 | 6.2 | ↑0.6 | |
| 5/20 09:50 | 7.0 | ↑0.8 | |
| 5/20 10:00 | 8.0 | ↑1.0 | |
| 5/20 10:10 | 9.1 | ↑1.1 | |
| 5/20 10:20 | 10.4 | ↑1.3 | |
| 5/20 10:30 | 11.8 | ↑1.4 | |
| 5/20 10:40 | 13.3 | ↑1.5 | |
| 5/20 10:50 | 15.0 | ↑1.7 | |
| 5/20 11:00 | 16.7 | ↑1.7 | |
| 5/20 11:10 | 18.6 | ↑1.9 | |
| 5/20 11:20 | 20.5 | ↑1.9 | |
| 5/20 11:30 | 22.5 | ↑2.0 | |
| 5/20 11:40 | 24.5 | ↑2.0 | |
| 5/20 11:50 | 26.5 | ↑2.0 | |
| 5/20 12:00 | 28.6 | ↑2.1 | |
| 5/20 12:10 | 30.7 | ↑2.1 | |
| 5/20 12:20 | 32.8 | ↑2.1 | |
| 5/20 12:30 | 34.8 | ↑2.0 | |
| 5/20 12:40 | 36.9 | ↑2.1 | |
| 5/20 12:50 | 38.8 | ↑1.9 | |
| 5/20 13:00 | 40.8 | ↑2.0 | |
| 5/20 13:10 | 42.6 | ↑1.8 | |
| 5/20 13:20 | 44.4 | ↑1.8 | |
| 5/20 13:30 | 46.1 | ↑1.7 | |
| 5/20 13:40 | 47.7 | ↑1.6 | |
| 5/20 13:50 | 49.2 | ↑1.5 | |
| 5/20 14:00 | 50.5 | ↑1.3 | |
| 5/20 14:10 | 51.8 | ↑1.3 | |
| 5/20 14:20 | 53.0 | ↑1.2 | |
| 5/20 14:30 | 54.0 | ↑1.0 | |
| 5/20 14:40 | 55.0 | ↑1.0 | |
| 5/20 14:50 | 55.8 | ↑0.8 | |
| 5/20 15:00 | 56.5 | ↑0.7 | |
| 5/20 15:10 | 57.0 | ↑0.5 | |
| 5/20 15:20 | 57.5 | ↑0.5 | |
| 5/20 15:30 | 57.8 | ↑0.3 | |
| 5/20 15:40 | 58.1 | ↑0.3 | |
| 5/20 15:50 | 58.2 | ↑0.1 | |
| 5/20 16:00 | 58.2 | 0 | 満潮 |
| 5/20 16:10 | 58.2 | 0 | |
| 5/20 16:20 | 58.1 | ↓-0.1 | |
| 5/20 16:30 | 57.9 | ↓-0.2 | |
| 5/20 16:40 | 57.7 | ↓-0.2 | |
| 5/20 16:50 | 57.4 | ↓-0.3 | |
| 5/20 17:00 | 57.0 | ↓-0.4 | |
| 5/20 17:10 | 56.7 | ↓-0.3 | |
| 5/20 17:20 | 56.3 | ↓-0.4 | |
| 5/20 17:30 | 56.0 | ↓-0.3 | |
| 5/20 17:40 | 55.6 | ↓-0.4 | |
| 5/20 17:50 | 55.2 | ↓-0.4 | |
| 5/20 18:00 | 54.9 | ↓-0.3 | |
| 5/20 18:10 | 54.7 | ↓-0.2 | |
| 5/20 18:20 | 54.4 | ↓-0.3 | |
| 5/20 18:30 | 54.3 | ↓-0.1 | |
| 5/20 18:40 | 54.2 | ↓-0.1 | 干潮 |
| 5/20 18:50 | 54.2 | 0 | |
| 5/20 19:00 | 54.3 | ↑0.1 | |
| 5/20 19:10 | 54.4 | ↑0.1 | |
| 5/20 19:20 | 54.7 | ↑0.3 | |
| 5/20 19:30 | 55.1 | ↑0.4 | |
| 5/20 19:40 | 55.6 | ↑0.5 | |
| 5/20 19:50 | 56.3 | ↑0.7 | |
| 5/20 20:00 | 57.0 | ↑0.7 | |
| 5/20 20:10 | 57.9 | ↑0.9 | |
| 5/20 20:20 | 58.9 | ↑1.0 | |
| 5/20 20:30 | 60.1 | ↑1.2 | |
| 5/20 20:40 | 61.3 | ↑1.2 | |
| 5/20 20:50 | 62.7 | ↑1.4 | |
| 5/20 21:00 | 64.2 | ↑1.5 | |
| 5/20 21:10 | 65.8 | ↑1.6 | |
| 5/20 21:20 | 67.5 | ↑1.7 | |
| 5/20 21:30 | 69.3 | ↑1.8 | |
| 5/20 21:40 | 71.2 | ↑1.9 | |
| 5/20 21:50 | 73.2 | ↑2.0 | |
| 5/20 22:00 | 75.2 | ↑2.0 | |
| 5/20 22:10 | 77.4 | ↑2.2 | |
| 5/20 22:20 | 79.5 | ↑2.1 | |
| 5/20 22:30 | 81.7 | ↑2.2 | |
| 5/20 22:40 | 83.9 | ↑2.2 | |
| 5/20 22:50 | 86.2 | ↑2.3 | |
| 5/20 23:00 | 88.4 | ↑2.2 | |
| 5/20 23:10 | 90.6 | ↑2.2 | |
| 5/20 23:20 | 92.8 | ↑2.2 | |
| 5/20 23:30 | 94.9 | ↑2.1 | |
| 5/20 23:40 | 97.0 | ↑2.1 | |
| 5/20 23:50 | 99.0 | ↑2.0 |