| 満潮 | 干潮 | 満潮 | 干潮 |
|
20
(日) |
02:45 | 10:27 | 17:07 | 20:23 |
| 111cm | 3cm | 59cm | 51cm | |
|
||||
コイセボイ（北海道）2057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 | 85.9 | ↑2.4 | |
| 5/20 00:10 | 88.2 | ↑2.3 | |
| 5/20 00:20 | 90.5 | ↑2.3 | |
| 5/20 00:30 | 92.8 | ↑2.3 | |
| 5/20 00:40 | 94.9 | ↑2.1 | |
| 5/20 00:50 | 97.0 | ↑2.1 | |
| 5/20 01:00 | 99.0 | ↑2.0 | |
| 5/20 01:10 | 100.9 | ↑1.9 | |
| 5/20 01:20 | 102.6 | ↑1.7 | |
| 5/20 01:30 | 104.2 | ↑1.6 | |
| 5/20 01:40 | 105.6 | ↑1.4 | |
| 5/20 01:50 | 106.8 | ↑1.2 | |
| 5/20 02:00 | 107.9 | ↑1.1 | |
| 5/20 02:10 | 108.8 | ↑0.9 | |
| 5/20 02:20 | 109.4 | ↑0.6 | |
| 5/20 02:30 | 109.8 | ↑0.4 | |
| 5/20 02:40 | 110.1 | ↑0.3 | 満潮 |
| 5/20 02:50 | 110.0 | ↓-0.1 | |
| 5/20 03:00 | 109.8 | ↓-0.2 | |
| 5/20 03:10 | 109.3 | ↓-0.5 | |
| 5/20 03:20 | 108.6 | ↓-0.7 | |
| 5/20 03:30 | 107.6 | ↓-1.0 | |
| 5/20 03:40 | 106.4 | ↓-1.2 | |
| 5/20 03:50 | 105.0 | ↓-1.4 | |
| 5/20 04:00 | 103.3 | ↓-1.7 | |
| 5/20 04:10 | 101.5 | ↓-1.8 | |
| 5/20 04:20 | 99.4 | ↓-2.1 | |
| 5/20 04:30 | 97.1 | ↓-2.3 | |
| 5/20 04:40 | 94.6 | ↓-2.5 | |
| 5/20 04:50 | 91.9 | ↓-2.7 | |
| 5/20 05:00 | 89.0 | ↓-2.9 | |
| 5/20 05:10 | 86.0 | ↓-3.0 | |
| 5/20 05:20 | 82.8 | ↓-3.2 | |
| 5/20 05:30 | 79.5 | ↓-3.3 | |
| 5/20 05:40 | 76.1 | ↓-3.4 | |
| 5/20 05:50 | 72.6 | ↓-3.5 | |
| 5/20 06:00 | 69.0 | ↓-3.6 | |
| 5/20 06:10 | 65.3 | ↓-3.7 | |
| 5/20 06:20 | 61.6 | ↓-3.7 | |
| 5/20 06:30 | 57.8 | ↓-3.8 | 最大潮位差 |
| 5/20 06:40 | 54.1 | ↓-3.7 | |
| 5/20 06:50 | 50.4 | ↓-3.7 | |
| 5/20 07:00 | 46.7 | ↓-3.7 | |
| 5/20 07:10 | 43.0 | ↓-3.7 | |
| 5/20 07:20 | 39.4 | ↓-3.6 | |
| 5/20 07:30 | 35.9 | ↓-3.5 | |
| 5/20 07:40 | 32.5 | ↓-3.4 | |
| 5/20 07:50 | 29.2 | ↓-3.3 | |
| 5/20 08:00 | 26.1 | ↓-3.1 | |
| 5/20 08:10 | 23.1 | ↓-3.0 | |
| 5/20 08:20 | 20.3 | ↓-2.8 | |
| 5/20 08:30 | 17.6 | ↓-2.7 | |
| 5/20 08:40 | 15.1 | ↓-2.5 | |
| 5/20 08:50 | 12.8 | ↓-2.3 | |
| 5/20 09:00 | 10.8 | ↓-2.0 | |
| 5/20 09:10 | 8.9 | ↓-1.9 | |
| 5/20 09:20 | 7.3 | ↓-1.6 | |
| 5/20 09:30 | 5.9 | ↓-1.4 | |
| 5/20 09:40 | 4.7 | ↓-1.2 | |
| 5/20 09:50 | 3.7 | ↓-1.0 | |
| 5/20 10:00 | 3.0 | ↓-0.7 | |
| 5/20 10:10 | 2.5 | ↓-0.5 | |
| 5/20 10:20 | 2.3 | ↓-0.2 | 干潮 |
| 5/20 10:30 | 2.3 | 0 | |
| 5/20 10:40 | 2.5 | ↑0.2 | |
| 5/20 10:50 | 2.9 | ↑0.4 | |
| 5/20 11:00 | 3.5 | ↑0.6 | |
| 5/20 11:10 | 4.3 | ↑0.8 | |
| 5/20 11:20 | 5.3 | ↑1.0 | |
| 5/20 11:30 | 6.5 | ↑1.2 | |
| 5/20 11:40 | 7.9 | ↑1.4 | |
| 5/20 11:50 | 9.4 | ↑1.5 | |
| 5/20 12:00 | 11.1 | ↑1.7 | |
| 5/20 12:10 | 12.9 | ↑1.8 | |
| 5/20 12:20 | 14.8 | ↑1.9 | |
| 5/20 12:30 | 16.8 | ↑2.0 | |
| 5/20 12:40 | 18.8 | ↑2.0 | |
| 5/20 12:50 | 21.0 | ↑2.2 | |
| 5/20 13:00 | 23.2 | ↑2.2 | |
| 5/20 13:10 | 25.4 | ↑2.2 | |
| 5/20 13:20 | 27.7 | ↑2.3 | |
| 5/20 13:30 | 29.9 | ↑2.2 | |
| 5/20 13:40 | 32.2 | ↑2.3 | |
| 5/20 13:50 | 34.4 | ↑2.2 | |
| 5/20 14:00 | 36.6 | ↑2.2 | |
| 5/20 14:10 | 38.7 | ↑2.1 | |
| 5/20 14:20 | 40.8 | ↑2.1 | |
| 5/20 14:30 | 42.8 | ↑2.0 | |
| 5/20 14:40 | 44.7 | ↑1.9 | |
| 5/20 14:50 | 46.4 | ↑1.7 | |
| 5/20 15:00 | 48.1 | ↑1.7 | |
| 5/20 15:10 | 49.7 | ↑1.6 | |
| 5/20 15:20 | 51.2 | ↑1.5 | |
| 5/20 15:30 | 52.5 | ↑1.3 | |
| 5/20 15:40 | 53.7 | ↑1.2 | |
| 5/20 15:50 | 54.7 | ↑1.0 | |
| 5/20 16:00 | 55.6 | ↑0.9 | |
| 5/20 16:10 | 56.4 | ↑0.8 | |
| 5/20 16:20 | 57.1 | ↑0.7 | |
| 5/20 16:30 | 57.6 | ↑0.5 | |
| 5/20 16:40 | 58.0 | ↑0.4 | |
| 5/20 16:50 | 58.2 | ↑0.2 | |
| 5/20 17:00 | 58.3 | ↑0.1 | 満潮 |
| 5/20 17:10 | 58.3 | 0 | |
| 5/20 17:20 | 58.3 | 0 | |
| 5/20 17:30 | 58.1 | ↓-0.2 | |
| 5/20 17:40 | 57.8 | ↓-0.3 | |
| 5/20 17:50 | 57.4 | ↓-0.4 | |
| 5/20 18:00 | 57.0 | ↓-0.4 | |
| 5/20 18:10 | 56.5 | ↓-0.5 | |
| 5/20 18:20 | 56.0 | ↓-0.5 | |
| 5/20 18:30 | 55.4 | ↓-0.6 | |
| 5/20 18:40 | 54.8 | ↓-0.6 | |
| 5/20 18:50 | 54.3 | ↓-0.5 | |
| 5/20 19:00 | 53.7 | ↓-0.6 | |
| 5/20 19:10 | 53.1 | ↓-0.6 | |
| 5/20 19:20 | 52.6 | ↓-0.5 | |
| 5/20 19:30 | 52.1 | ↓-0.5 | |
| 5/20 19:40 | 51.7 | ↓-0.4 | |
| 5/20 19:50 | 51.4 | ↓-0.3 | |
| 5/20 20:00 | 51.1 | ↓-0.3 | |
| 5/20 20:10 | 50.9 | ↓-0.2 | |
| 5/20 20:20 | 50.8 | ↓-0.1 | 干潮 |
| 5/20 20:30 | 50.9 | ↑0.1 | |
| 5/20 20:40 | 51.0 | ↑0.1 | |
| 5/20 20:50 | 51.3 | ↑0.3 | |
| 5/20 21:00 | 51.7 | ↑0.4 | |
| 5/20 21:10 | 52.3 | ↑0.6 | |
| 5/20 21:20 | 52.9 | ↑0.6 | |
| 5/20 21:30 | 53.8 | ↑0.9 | |
| 5/20 21:40 | 54.7 | ↑0.9 | |
| 5/20 21:50 | 55.9 | ↑1.2 | |
| 5/20 22:00 | 57.1 | ↑1.2 | |
| 5/20 22:10 | 58.5 | ↑1.4 | |
| 5/20 22:20 | 60.1 | ↑1.6 | |
| 5/20 22:30 | 61.7 | ↑1.6 | |
| 5/20 22:40 | 63.5 | ↑1.8 | |
| 5/20 22:50 | 65.4 | ↑1.9 | |
| 5/20 23:00 | 67.4 | ↑2.0 | |
| 5/20 23:10 | 69.6 | ↑2.2 | |
| 5/20 23:20 | 71.8 | ↑2.2 | |
| 5/20 23:30 | 74.0 | ↑2.2 | |
| 5/20 23:40 | 76.4 | ↑2.4 | |
| 5/20 23:50 | 78.8 | ↑2.4 |