| 満潮 | 干潮 | 満潮 | 干潮 |
|
12
(日) |
10:05 | 03:48 | 23:15 | 16:48 |
| 70cm | 50cm | 70cm | 42cm | |
|
||||
コイセボイ（北海道）2030年05月12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 |
|---|---|---|---|
| 5/12 00:00 | 59.2 | ↓-0.4 | |
| 5/12 00:10 | 58.7 | ↓-0.5 | |
| 5/12 00:20 | 58.3 | ↓-0.4 | |
| 5/12 00:30 | 57.7 | ↓-0.6 | |
| 5/12 00:40 | 57.2 | ↓-0.5 | |
| 5/12 00:50 | 56.7 | ↓-0.5 | |
| 5/12 01:00 | 56.1 | ↓-0.6 | |
| 5/12 01:10 | 55.5 | ↓-0.6 | |
| 5/12 01:20 | 55.0 | ↓-0.5 | |
| 5/12 01:30 | 54.4 | ↓-0.6 | |
| 5/12 01:40 | 53.8 | ↓-0.6 | |
| 5/12 01:50 | 53.3 | ↓-0.5 | |
| 5/12 02:00 | 52.8 | ↓-0.5 | |
| 5/12 02:10 | 52.3 | ↓-0.5 | |
| 5/12 02:20 | 51.8 | ↓-0.5 | |
| 5/12 02:30 | 51.4 | ↓-0.4 | |
| 5/12 02:40 | 51.0 | ↓-0.4 | |
| 5/12 02:50 | 50.7 | ↓-0.3 | |
| 5/12 03:00 | 50.4 | ↓-0.3 | |
| 5/12 03:10 | 50.1 | ↓-0.3 | |
| 5/12 03:20 | 50.0 | ↓-0.1 | |
| 5/12 03:30 | 49.8 | ↓-0.2 | |
| 5/12 03:40 | 49.8 | 0 | 干潮 |
| 5/12 03:50 | 49.7 | ↓-0.1 | |
| 5/12 04:00 | 49.8 | ↑0.1 | |
| 5/12 04:10 | 49.9 | ↑0.1 | |
| 5/12 04:20 | 50.1 | ↑0.2 | |
| 5/12 04:30 | 50.3 | ↑0.2 | |
| 5/12 04:40 | 50.6 | ↑0.3 | |
| 5/12 04:50 | 51.0 | ↑0.4 | |
| 5/12 05:00 | 51.4 | ↑0.4 | |
| 5/12 05:10 | 51.8 | ↑0.4 | |
| 5/12 05:20 | 52.4 | ↑0.6 | |
| 5/12 05:30 | 52.9 | ↑0.5 | |
| 5/12 05:40 | 53.6 | ↑0.7 | |
| 5/12 05:50 | 54.2 | ↑0.6 | |
| 5/12 06:00 | 54.9 | ↑0.7 | |
| 5/12 06:10 | 55.7 | ↑0.8 | |
| 5/12 06:20 | 56.4 | ↑0.7 | |
| 5/12 06:30 | 57.2 | ↑0.8 | |
| 5/12 06:40 | 58.0 | ↑0.8 | |
| 5/12 06:50 | 58.9 | ↑0.9 | |
| 5/12 07:00 | 59.7 | ↑0.8 | |
| 5/12 07:10 | 60.6 | ↑0.9 | |
| 5/12 07:20 | 61.4 | ↑0.8 | |
| 5/12 07:30 | 62.2 | ↑0.8 | |
| 5/12 07:40 | 63.0 | ↑0.8 | |
| 5/12 07:50 | 63.8 | ↑0.8 | |
| 5/12 08:00 | 64.6 | ↑0.8 | |
| 5/12 08:10 | 65.3 | ↑0.7 | |
| 5/12 08:20 | 66.0 | ↑0.7 | |
| 5/12 08:30 | 66.6 | ↑0.6 | |
| 5/12 08:40 | 67.2 | ↑0.6 | |
| 5/12 08:50 | 67.8 | ↑0.6 | |
| 5/12 09:00 | 68.3 | ↑0.5 | |
| 5/12 09:10 | 68.7 | ↑0.4 | |
| 5/12 09:20 | 69.1 | ↑0.4 | |
| 5/12 09:30 | 69.4 | ↑0.3 | |
| 5/12 09:40 | 69.6 | ↑0.2 | |
| 5/12 09:50 | 69.7 | ↑0.1 | |
| 5/12 10:00 | 69.8 | ↑0.1 | 満潮 |
| 5/12 10:10 | 69.8 | 0 | |
| 5/12 10:20 | 69.7 | ↓-0.1 | |
| 5/12 10:30 | 69.5 | ↓-0.2 | |
| 5/12 10:40 | 69.3 | ↓-0.2 | |
| 5/12 10:50 | 68.9 | ↓-0.4 | |
| 5/12 11:00 | 68.5 | ↓-0.4 | |
| 5/12 11:10 | 68.1 | ↓-0.4 | |
| 5/12 11:20 | 67.5 | ↓-0.6 | |
| 5/12 11:30 | 66.9 | ↓-0.6 | |
| 5/12 11:40 | 66.2 | ↓-0.7 | |
| 5/12 11:50 | 65.4 | ↓-0.8 | |
| 5/12 12:00 | 64.6 | ↓-0.8 | |
| 5/12 12:10 | 63.7 | ↓-0.9 | |
| 5/12 12:20 | 62.8 | ↓-0.9 | |
| 5/12 12:30 | 61.9 | ↓-0.9 | |
| 5/12 12:40 | 60.8 | ↓-1.1 | |
| 5/12 12:50 | 59.8 | ↓-1.0 | |
| 5/12 13:00 | 58.7 | ↓-1.1 | |
| 5/12 13:10 | 57.7 | ↓-1.0 | |
| 5/12 13:20 | 56.5 | ↓-1.2 | 最大潮位差 |
| 5/12 13:30 | 55.4 | ↓-1.1 | |
| 5/12 13:40 | 54.3 | ↓-1.1 | |
| 5/12 13:50 | 53.2 | ↓-1.1 | |
| 5/12 14:00 | 52.1 | ↓-1.1 | |
| 5/12 14:10 | 51.1 | ↓-1.0 | |
| 5/12 14:20 | 50.0 | ↓-1.1 | |
| 5/12 14:30 | 49.0 | ↓-1.0 | |
| 5/12 14:40 | 48.0 | ↓-1.0 | |
| 5/12 14:50 | 47.1 | ↓-0.9 | |
| 5/12 15:00 | 46.2 | ↓-0.9 | |
| 5/12 15:10 | 45.4 | ↓-0.8 | |
| 5/12 15:20 | 44.7 | ↓-0.7 | |
| 5/12 15:30 | 44.0 | ↓-0.7 | |
| 5/12 15:40 | 43.4 | ↓-0.6 | |
| 5/12 15:50 | 42.8 | ↓-0.6 | |
| 5/12 16:00 | 42.4 | ↓-0.4 | |
| 5/12 16:10 | 42.0 | ↓-0.4 | |
| 5/12 16:20 | 41.7 | ↓-0.3 | |
| 5/12 16:30 | 41.5 | ↓-0.2 | |
| 5/12 16:40 | 41.4 | ↓-0.1 | 干潮 |
| 5/12 16:50 | 41.4 | 0 | |
| 5/12 17:00 | 41.5 | ↑0.1 | |
| 5/12 17:10 | 41.6 | ↑0.1 | |
| 5/12 17:20 | 41.9 | ↑0.3 | |
| 5/12 17:30 | 42.2 | ↑0.3 | |
| 5/12 17:40 | 42.6 | ↑0.4 | |
| 5/12 17:50 | 43.1 | ↑0.5 | |
| 5/12 18:00 | 43.7 | ↑0.6 | |
| 5/12 18:10 | 44.4 | ↑0.7 | |
| 5/12 18:20 | 45.1 | ↑0.7 | |
| 5/12 18:30 | 45.9 | ↑0.8 | |
| 5/12 18:40 | 46.8 | ↑0.9 | |
| 5/12 18:50 | 47.7 | ↑0.9 | |
| 5/12 19:00 | 48.6 | ↑0.9 | |
| 5/12 19:10 | 49.7 | ↑1.1 | |
| 5/12 19:20 | 50.7 | ↑1.0 | |
| 5/12 19:30 | 51.8 | ↑1.1 | |
| 5/12 19:40 | 52.9 | ↑1.1 | |
| 5/12 19:50 | 54.0 | ↑1.1 | |
| 5/12 20:00 | 55.1 | ↑1.1 | |
| 5/12 20:10 | 56.3 | ↑1.2 | 最大潮位差 |
| 5/12 20:20 | 57.4 | ↑1.1 | |
| 5/12 20:30 | 58.5 | ↑1.1 | |
| 5/12 20:40 | 59.6 | ↑1.1 | |
| 5/12 20:50 | 60.6 | ↑1.0 | |
| 5/12 21:00 | 61.7 | ↑1.1 | |
| 5/12 21:10 | 62.6 | ↑0.9 | |
| 5/12 21:20 | 63.6 | ↑1.0 | |
| 5/12 21:30 | 64.5 | ↑0.9 | |
| 5/12 21:40 | 65.3 | ↑0.8 | |
| 5/12 21:50 | 66.0 | ↑0.7 | |
| 5/12 22:00 | 66.7 | ↑0.7 | |
| 5/12 22:10 | 67.3 | ↑0.6 | |
| 5/12 22:20 | 67.8 | ↑0.5 | |
| 5/12 22:30 | 68.3 | ↑0.5 | |
| 5/12 22:40 | 68.6 | ↑0.3 | |
| 5/12 22:50 | 68.9 | ↑0.3 | |
| 5/12 23:00 | 69.1 | ↑0.2 | |
| 5/12 23:10 | 69.1 | 0 | 満潮 |
| 5/12 23:20 | 69.1 | 0 | |
| 5/12 23:30 | 69.0 | ↓-0.1 | |
| 5/12 23:40 | 68.8 | ↓-0.2 | |
| 5/12 23:50 | 68.5 | ↓-0.3 |