| 満潮 | 干潮 | 満潮 | 干潮 |
|
20
(土) |
01:50 | 09:32 | 16:21 | 19:31 |
| 106cm | 4cm | 61cm | 54cm | |
|
||||
コイセボイ（北海道）2023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 | 94.4 | ↑1.8 | |
| 5/20 00:10 | 96.2 | ↑1.8 | |
| 5/20 00:20 | 97.8 | ↑1.6 | |
| 5/20 00:30 | 99.4 | ↑1.6 | |
| 5/20 00:40 | 100.7 | ↑1.3 | |
| 5/20 00:50 | 102.0 | ↑1.3 | |
| 5/20 01:00 | 103.0 | ↑1.0 | |
| 5/20 01:10 | 103.9 | ↑0.9 | |
| 5/20 01:20 | 104.6 | ↑0.7 | |
| 5/20 01:30 | 105.1 | ↑0.5 | |
| 5/20 01:40 | 105.4 | ↑0.3 | 満潮 |
| 5/20 01:50 | 105.5 | ↑0.1 | 満潮 |
| 5/20 02:00 | 105.4 | ↓-0.1 | |
| 5/20 02:10 | 105.0 | ↓-0.4 | |
| 5/20 02:20 | 104.5 | ↓-0.5 | |
| 5/20 02:30 | 103.7 | ↓-0.8 | |
| 5/20 02:40 | 102.7 | ↓-1.0 | |
| 5/20 02:50 | 101.4 | ↓-1.3 | |
| 5/20 03:00 | 100.0 | ↓-1.4 | |
| 5/20 03:10 | 98.3 | ↓-1.7 | |
| 5/20 03:20 | 96.5 | ↓-1.8 | |
| 5/20 03:30 | 94.4 | ↓-2.1 | |
| 5/20 03:40 | 92.2 | ↓-2.2 | |
| 5/20 03:50 | 89.7 | ↓-2.5 | |
| 5/20 04:00 | 87.1 | ↓-2.6 | |
| 5/20 04:10 | 84.3 | ↓-2.8 | |
| 5/20 04:20 | 81.4 | ↓-2.9 | |
| 5/20 04:30 | 78.4 | ↓-3.0 | |
| 5/20 04:40 | 75.2 | ↓-3.2 | |
| 5/20 04:50 | 71.9 | ↓-3.3 | |
| 5/20 05:00 | 68.5 | ↓-3.4 | |
| 5/20 05:10 | 65.1 | ↓-3.4 | |
| 5/20 05:20 | 61.6 | ↓-3.5 | |
| 5/20 05:30 | 58.1 | ↓-3.5 | |
| 5/20 05:40 | 54.5 | ↓-3.6 | 最大潮位差 |
| 5/20 05:50 | 51.0 | ↓-3.5 | |
| 5/20 06:00 | 47.4 | ↓-3.6 | 最大潮位差 |
| 5/20 06:10 | 43.9 | ↓-3.5 | |
| 5/20 06:20 | 40.5 | ↓-3.4 | |
| 5/20 06:30 | 37.1 | ↓-3.4 | |
| 5/20 06:40 | 33.8 | ↓-3.3 | |
| 5/20 06:50 | 30.6 | ↓-3.2 | |
| 5/20 07:00 | 27.5 | ↓-3.1 | |
| 5/20 07:10 | 24.6 | ↓-2.9 | |
| 5/20 07:20 | 21.8 | ↓-2.8 | |
| 5/20 07:30 | 19.1 | ↓-2.7 | |
| 5/20 07:40 | 16.7 | ↓-2.4 | |
| 5/20 07:50 | 14.4 | ↓-2.3 | |
| 5/20 08:00 | 12.3 | ↓-2.1 | |
| 5/20 08:10 | 10.4 | ↓-1.9 | |
| 5/20 08:20 | 8.7 | ↓-1.7 | |
| 5/20 08:30 | 7.2 | ↓-1.5 | |
| 5/20 08:40 | 6.0 | ↓-1.2 | |
| 5/20 08:50 | 4.9 | ↓-1.1 | |
| 5/20 09:00 | 4.1 | ↓-0.8 | |
| 5/20 09:10 | 3.5 | ↓-0.6 | |
| 5/20 09:20 | 3.2 | ↓-0.3 | |
| 5/20 09:30 | 3.0 | ↓-0.2 | 干潮 |
| 5/20 09:40 | 3.1 | ↑0.1 | |
| 5/20 09:50 | 3.4 | ↑0.3 | |
| 5/20 10:00 | 3.9 | ↑0.5 | |
| 5/20 10:10 | 4.6 | ↑0.7 | |
| 5/20 10:20 | 5.5 | ↑0.9 | |
| 5/20 10:30 | 6.6 | ↑1.1 | |
| 5/20 10:40 | 7.8 | ↑1.2 | |
| 5/20 10:50 | 9.2 | ↑1.4 | |
| 5/20 11:00 | 10.8 | ↑1.6 | |
| 5/20 11:10 | 12.5 | ↑1.7 | |
| 5/20 11:20 | 14.3 | ↑1.8 | |
| 5/20 11:30 | 16.2 | ↑1.9 | |
| 5/20 11:40 | 18.2 | ↑2.0 | |
| 5/20 11:50 | 20.3 | ↑2.1 | |
| 5/20 12:00 | 22.5 | ↑2.2 | |
| 5/20 12:10 | 24.7 | ↑2.2 | |
| 5/20 12:20 | 26.9 | ↑2.2 | |
| 5/20 12:30 | 29.1 | ↑2.2 | |
| 5/20 12:40 | 31.4 | ↑2.3 | |
| 5/20 12:50 | 33.6 | ↑2.2 | |
| 5/20 13:00 | 35.9 | ↑2.3 | |
| 5/20 13:10 | 38.0 | ↑2.1 | |
| 5/20 13:20 | 40.1 | ↑2.1 | |
| 5/20 13:30 | 42.2 | ↑2.1 | |
| 5/20 13:40 | 44.2 | ↑2.0 | |
| 5/20 13:50 | 46.1 | ↑1.9 | |
| 5/20 14:00 | 47.9 | ↑1.8 | |
| 5/20 14:10 | 49.5 | ↑1.6 | |
| 5/20 14:20 | 51.1 | ↑1.6 | |
| 5/20 14:30 | 52.6 | ↑1.5 | |
| 5/20 14:40 | 53.9 | ↑1.3 | |
| 5/20 14:50 | 55.1 | ↑1.2 | |
| 5/20 15:00 | 56.2 | ↑1.1 | |
| 5/20 15:10 | 57.1 | ↑0.9 | |
| 5/20 15:20 | 57.9 | ↑0.8 | |
| 5/20 15:30 | 58.6 | ↑0.7 | |
| 5/20 15:40 | 59.1 | ↑0.5 | |
| 5/20 15:50 | 59.5 | ↑0.4 | |
| 5/20 16:00 | 59.8 | ↑0.3 | |
| 5/20 16:10 | 60.0 | ↑0.2 | |
| 5/20 16:20 | 60.0 | 0 | 満潮 |
| 5/20 16:30 | 60.0 | 0 | |
| 5/20 16:40 | 59.8 | ↓-0.2 | |
| 5/20 16:50 | 59.6 | ↓-0.2 | |
| 5/20 17:00 | 59.3 | ↓-0.3 | |
| 5/20 17:10 | 58.9 | ↓-0.4 | |
| 5/20 17:20 | 58.4 | ↓-0.5 | |
| 5/20 17:30 | 58.0 | ↓-0.4 | |
| 5/20 17:40 | 57.5 | ↓-0.5 | |
| 5/20 17:50 | 56.9 | ↓-0.6 | |
| 5/20 18:00 | 56.4 | ↓-0.5 | |
| 5/20 18:10 | 55.9 | ↓-0.5 | |
| 5/20 18:20 | 55.4 | ↓-0.5 | |
| 5/20 18:30 | 54.9 | ↓-0.5 | |
| 5/20 18:40 | 54.4 | ↓-0.5 | |
| 5/20 18:50 | 54.1 | ↓-0.3 | |
| 5/20 19:00 | 53.7 | ↓-0.4 | |
| 5/20 19:10 | 53.5 | ↓-0.2 | |
| 5/20 19:20 | 53.4 | ↓-0.1 | |
| 5/20 19:30 | 53.3 | ↓-0.1 | 干潮 |
| 5/20 19:40 | 53.4 | ↑0.1 | |
| 5/20 19:50 | 53.5 | ↑0.1 | |
| 5/20 20:00 | 53.8 | ↑0.3 | |
| 5/20 20:10 | 54.2 | ↑0.4 | |
| 5/20 20:20 | 54.8 | ↑0.6 | |
| 5/20 20:30 | 55.5 | ↑0.7 | |
| 5/20 20:40 | 56.3 | ↑0.8 | |
| 5/20 20:50 | 57.2 | ↑0.9 | |
| 5/20 21:00 | 58.3 | ↑1.1 | |
| 5/20 21:10 | 59.5 | ↑1.2 | |
| 5/20 21:20 | 60.9 | ↑1.4 | |
| 5/20 21:30 | 62.4 | ↑1.5 | |
| 5/20 21:40 | 64.0 | ↑1.6 | |
| 5/20 21:50 | 65.7 | ↑1.7 | |
| 5/20 22:00 | 67.6 | ↑1.9 | |
| 5/20 22:10 | 69.5 | ↑1.9 | |
| 5/20 22:20 | 71.6 | ↑2.1 | |
| 5/20 22:30 | 73.7 | ↑2.1 | |
| 5/20 22:40 | 75.9 | ↑2.2 | |
| 5/20 22:50 | 78.1 | ↑2.2 | |
| 5/20 23:00 | 80.4 | ↑2.3 | |
| 5/20 23:10 | 82.8 | ↑2.4 | |
| 5/20 23:20 | 85.1 | ↑2.3 | |
| 5/20 23:30 | 87.5 | ↑2.4 | |
| 5/20 23:40 | 89.8 | ↑2.3 | |
| 5/20 23:50 | 92.1 | ↑2.3 |