| 満潮 | 干潮 | 満潮 | 干潮 |
|
20
(水) |
01:00 | 08:04 | 14:25 | 19:11 |
| 88cm | 23cm | 68cm | 48cm | |
|
||||
コイセボイ（北海道）2054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 | 84.4 | ↑1.0 | |
| 5/20 00:10 | 85.2 | ↑0.8 | |
| 5/20 00:20 | 85.9 | ↑0.7 | |
| 5/20 00:30 | 86.5 | ↑0.6 | |
| 5/20 00:40 | 86.9 | ↑0.4 | |
| 5/20 00:50 | 87.1 | ↑0.2 | 満潮 |
| 5/20 01:00 | 87.2 | ↑0.1 | 満潮 |
| 5/20 01:10 | 87.1 | ↓-0.1 | |
| 5/20 01:20 | 86.8 | ↓-0.3 | |
| 5/20 01:30 | 86.4 | ↓-0.4 | |
| 5/20 01:40 | 85.8 | ↓-0.6 | |
| 5/20 01:50 | 85.0 | ↓-0.8 | |
| 5/20 02:00 | 84.0 | ↓-1.0 | |
| 5/20 02:10 | 82.9 | ↓-1.1 | |
| 5/20 02:20 | 81.7 | ↓-1.2 | |
| 5/20 02:30 | 80.3 | ↓-1.4 | |
| 5/20 02:40 | 78.7 | ↓-1.6 | |
| 5/20 02:50 | 77.1 | ↓-1.6 | |
| 5/20 03:00 | 75.2 | ↓-1.9 | |
| 5/20 03:10 | 73.3 | ↓-1.9 | |
| 5/20 03:20 | 71.3 | ↓-2.0 | |
| 5/20 03:30 | 69.2 | ↓-2.1 | |
| 5/20 03:40 | 67.0 | ↓-2.2 | |
| 5/20 03:50 | 64.7 | ↓-2.3 | |
| 5/20 04:00 | 62.3 | ↓-2.4 | |
| 5/20 04:10 | 59.9 | ↓-2.4 | |
| 5/20 04:20 | 57.5 | ↓-2.4 | |
| 5/20 04:30 | 55.1 | ↓-2.4 | |
| 5/20 04:40 | 52.7 | ↓-2.4 | |
| 5/20 04:50 | 50.2 | ↓-2.5 | 最大潮位差 |
| 5/20 05:00 | 47.8 | ↓-2.4 | |
| 5/20 05:10 | 45.5 | ↓-2.3 | |
| 5/20 05:20 | 43.2 | ↓-2.3 | |
| 5/20 05:30 | 40.9 | ↓-2.3 | |
| 5/20 05:40 | 38.8 | ↓-2.1 | |
| 5/20 05:50 | 36.7 | ↓-2.1 | |
| 5/20 06:00 | 34.7 | ↓-2.0 | |
| 5/20 06:10 | 32.9 | ↓-1.8 | |
| 5/20 06:20 | 31.1 | ↓-1.8 | |
| 5/20 06:30 | 29.5 | ↓-1.6 | |
| 5/20 06:40 | 28.1 | ↓-1.4 | |
| 5/20 06:50 | 26.7 | ↓-1.4 | |
| 5/20 07:00 | 25.6 | ↓-1.1 | |
| 5/20 07:10 | 24.6 | ↓-1.0 | |
| 5/20 07:20 | 23.8 | ↓-0.8 | |
| 5/20 07:30 | 23.1 | ↓-0.7 | |
| 5/20 07:40 | 22.6 | ↓-0.5 | |
| 5/20 07:50 | 22.3 | ↓-0.3 | |
| 5/20 08:00 | 22.2 | ↓-0.1 | 干潮 |
| 5/20 08:10 | 22.2 | 0 | |
| 5/20 08:20 | 22.4 | ↑0.2 | |
| 5/20 08:30 | 22.8 | ↑0.4 | |
| 5/20 08:40 | 23.3 | ↑0.5 | |
| 5/20 08:50 | 24.0 | ↑0.7 | |
| 5/20 09:00 | 24.8 | ↑0.8 | |
| 5/20 09:10 | 25.8 | ↑1.0 | |
| 5/20 09:20 | 26.9 | ↑1.1 | |
| 5/20 09:30 | 28.2 | ↑1.3 | |
| 5/20 09:40 | 29.5 | ↑1.3 | |
| 5/20 09:50 | 31.0 | ↑1.5 | |
| 5/20 10:00 | 32.5 | ↑1.5 | |
| 5/20 10:10 | 34.2 | ↑1.7 | |
| 5/20 10:20 | 35.9 | ↑1.7 | |
| 5/20 10:30 | 37.7 | ↑1.8 | |
| 5/20 10:40 | 39.5 | ↑1.8 | |
| 5/20 10:50 | 41.3 | ↑1.8 | |
| 5/20 11:00 | 43.2 | ↑1.9 | |
| 5/20 11:10 | 45.0 | ↑1.8 | |
| 5/20 11:20 | 46.9 | ↑1.9 | |
| 5/20 11:30 | 48.7 | ↑1.8 | |
| 5/20 11:40 | 50.6 | ↑1.9 | |
| 5/20 11:50 | 52.3 | ↑1.7 | |
| 5/20 12:00 | 54.0 | ↑1.7 | |
| 5/20 12:10 | 55.7 | ↑1.7 | |
| 5/20 12:20 | 57.2 | ↑1.5 | |
| 5/20 12:30 | 58.7 | ↑1.5 | |
| 5/20 12:40 | 60.1 | ↑1.4 | |
| 5/20 12:50 | 61.3 | ↑1.2 | |
| 5/20 13:00 | 62.5 | ↑1.2 | |
| 5/20 13:10 | 63.5 | ↑1.0 | |
| 5/20 13:20 | 64.4 | ↑0.9 | |
| 5/20 13:30 | 65.2 | ↑0.8 | |
| 5/20 13:40 | 65.9 | ↑0.7 | |
| 5/20 13:50 | 66.4 | ↑0.5 | |
| 5/20 14:00 | 66.8 | ↑0.4 | |
| 5/20 14:10 | 67.1 | ↑0.3 | |
| 5/20 14:20 | 67.2 | ↑0.1 | 満潮 |
| 5/20 14:30 | 67.2 | 0 | |
| 5/20 14:40 | 67.0 | ↓-0.2 | |
| 5/20 14:50 | 66.8 | ↓-0.2 | |
| 5/20 15:00 | 66.4 | ↓-0.4 | |
| 5/20 15:10 | 65.9 | ↓-0.5 | |
| 5/20 15:20 | 65.3 | ↓-0.6 | |
| 5/20 15:30 | 64.6 | ↓-0.7 | |
| 5/20 15:40 | 63.9 | ↓-0.7 | |
| 5/20 15:50 | 63.0 | ↓-0.9 | |
| 5/20 16:00 | 62.1 | ↓-0.9 | |
| 5/20 16:10 | 61.1 | ↓-1.0 | |
| 5/20 16:20 | 60.1 | ↓-1.0 | |
| 5/20 16:30 | 59.1 | ↓-1.0 | |
| 5/20 16:40 | 58.0 | ↓-1.1 | |
| 5/20 16:50 | 56.9 | ↓-1.1 | |
| 5/20 17:00 | 55.8 | ↓-1.1 | |
| 5/20 17:10 | 54.7 | ↓-1.1 | |
| 5/20 17:20 | 53.7 | ↓-1.0 | |
| 5/20 17:30 | 52.7 | ↓-1.0 | |
| 5/20 17:40 | 51.7 | ↓-1.0 | |
| 5/20 17:50 | 50.9 | ↓-0.8 | |
| 5/20 18:00 | 50.0 | ↓-0.9 | |
| 5/20 18:10 | 49.3 | ↓-0.7 | |
| 5/20 18:20 | 48.7 | ↓-0.6 | |
| 5/20 18:30 | 48.1 | ↓-0.6 | |
| 5/20 18:40 | 47.7 | ↓-0.4 | |
| 5/20 18:50 | 47.4 | ↓-0.3 | |
| 5/20 19:00 | 47.2 | ↓-0.2 | |
| 5/20 19:10 | 47.1 | ↓-0.1 | 干潮 |
| 5/20 19:20 | 47.2 | ↑0.1 | |
| 5/20 19:30 | 47.4 | ↑0.2 | |
| 5/20 19:40 | 47.7 | ↑0.3 | |
| 5/20 19:50 | 48.2 | ↑0.5 | |
| 5/20 20:00 | 48.8 | ↑0.6 | |
| 5/20 20:10 | 49.6 | ↑0.8 | |
| 5/20 20:20 | 50.5 | ↑0.9 | |
| 5/20 20:30 | 51.5 | ↑1.0 | |
| 5/20 20:40 | 52.7 | ↑1.2 | |
| 5/20 20:50 | 54.0 | ↑1.3 | |
| 5/20 21:00 | 55.4 | ↑1.4 | |
| 5/20 21:10 | 56.9 | ↑1.5 | |
| 5/20 21:20 | 58.5 | ↑1.6 | |
| 5/20 21:30 | 60.2 | ↑1.7 | |
| 5/20 21:40 | 62.0 | ↑1.8 | |
| 5/20 21:50 | 63.8 | ↑1.8 | |
| 5/20 22:00 | 65.7 | ↑1.9 | |
| 5/20 22:10 | 67.7 | ↑2.0 | |
| 5/20 22:20 | 69.7 | ↑2.0 | |
| 5/20 22:30 | 71.7 | ↑2.0 | |
| 5/20 22:40 | 73.7 | ↑2.0 | |
| 5/20 22:50 | 75.7 | ↑2.0 | |
| 5/20 23:00 | 77.6 | ↑1.9 | |
| 5/20 23:10 | 79.6 | ↑2.0 | |
| 5/20 23:20 | 81.4 | ↑1.8 | |
| 5/20 23:30 | 83.2 | ↑1.8 | |
| 5/20 23:40 | 85.0 | ↑1.8 | |
| 5/20 23:50 | 86.6 | ↑1.6 |