| 満潮 | 干潮 | 満潮 | 干潮 |
|
12
(月) |
05:04 | 09:20 | 14:40 | 22:12 |
| 16cm | 12cm | 18cm | -5cm | |
|
||||
留萌（北海道）2025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 | -0.9 | ↑0.6 | |
| 5/12 00:10 | -0.2 | ↑0.7 | |
| 5/12 00:20 | 0.5 | ↑0.7 | |
| 5/12 00:30 | 1.3 | ↑0.8 | |
| 5/12 00:40 | 2.0 | ↑0.7 | |
| 5/12 00:50 | 2.8 | ↑0.8 | |
| 5/12 01:00 | 3.7 | ↑0.9 | 最大潮位差 |
| 5/12 01:10 | 4.5 | ↑0.8 | |
| 5/12 01:20 | 5.3 | ↑0.8 | |
| 5/12 01:30 | 6.1 | ↑0.8 | |
| 5/12 01:40 | 7.0 | ↑0.9 | 最大潮位差 |
| 5/12 01:50 | 7.8 | ↑0.8 | |
| 5/12 02:00 | 8.6 | ↑0.8 | |
| 5/12 02:10 | 9.3 | ↑0.7 | |
| 5/12 02:20 | 10.0 | ↑0.7 | |
| 5/12 02:30 | 10.7 | ↑0.7 | |
| 5/12 02:40 | 11.4 | ↑0.7 | |
| 5/12 02:50 | 12.0 | ↑0.6 | |
| 5/12 03:00 | 12.5 | ↑0.5 | |
| 5/12 03:10 | 13.1 | ↑0.6 | |
| 5/12 03:20 | 13.5 | ↑0.4 | |
| 5/12 03:30 | 13.9 | ↑0.4 | |
| 5/12 03:40 | 14.3 | ↑0.4 | |
| 5/12 03:50 | 14.6 | ↑0.3 | |
| 5/12 04:00 | 14.9 | ↑0.3 | |
| 5/12 04:10 | 15.1 | ↑0.2 | |
| 5/12 04:20 | 15.3 | ↑0.2 | |
| 5/12 04:30 | 15.4 | ↑0.1 | |
| 5/12 04:40 | 15.5 | ↑0.1 | |
| 5/12 04:50 | 15.6 | ↑0.1 | |
| 5/12 05:00 | 15.6 | 0 | 満潮 |
| 5/12 05:10 | 15.6 | 0 | |
| 5/12 05:20 | 15.6 | 0 | |
| 5/12 05:30 | 15.5 | ↓-0.1 | |
| 5/12 05:40 | 15.4 | ↓-0.1 | |
| 5/12 05:50 | 15.3 | ↓-0.1 | |
| 5/12 06:00 | 15.1 | ↓-0.2 | |
| 5/12 06:10 | 14.9 | ↓-0.2 | |
| 5/12 06:20 | 14.7 | ↓-0.2 | |
| 5/12 06:30 | 14.5 | ↓-0.2 | |
| 5/12 06:40 | 14.3 | ↓-0.2 | |
| 5/12 06:50 | 14.0 | ↓-0.3 | |
| 5/12 07:00 | 13.8 | ↓-0.2 | |
| 5/12 07:10 | 13.5 | ↓-0.3 | |
| 5/12 07:20 | 13.2 | ↓-0.3 | |
| 5/12 07:30 | 13.0 | ↓-0.2 | |
| 5/12 07:40 | 12.7 | ↓-0.3 | |
| 5/12 07:50 | 12.5 | ↓-0.2 | |
| 5/12 08:00 | 12.3 | ↓-0.2 | |
| 5/12 08:10 | 12.1 | ↓-0.2 | |
| 5/12 08:20 | 11.9 | ↓-0.2 | |
| 5/12 08:30 | 11.7 | ↓-0.2 | |
| 5/12 08:40 | 11.6 | ↓-0.1 | |
| 5/12 08:50 | 11.5 | ↓-0.1 | |
| 5/12 09:00 | 11.4 | ↓-0.1 | |
| 5/12 09:10 | 11.4 | 0 | 干潮 |
| 5/12 09:20 | 11.4 | 0 | 干潮 |
| 5/12 09:30 | 11.4 | 0 | |
| 5/12 09:40 | 11.4 | 0 | |
| 5/12 09:50 | 11.5 | ↑0.1 | |
| 5/12 10:00 | 11.6 | ↑0.1 | |
| 5/12 10:10 | 11.7 | ↑0.1 | |
| 5/12 10:20 | 11.9 | ↑0.2 | |
| 5/12 10:30 | 12.0 | ↑0.1 | |
| 5/12 10:40 | 12.2 | ↑0.2 | |
| 5/12 10:50 | 12.4 | ↑0.2 | |
| 5/12 11:00 | 12.6 | ↑0.2 | |
| 5/12 11:10 | 12.8 | ↑0.2 | |
| 5/12 11:20 | 13.0 | ↑0.2 | |
| 5/12 11:30 | 13.3 | ↑0.3 | |
| 5/12 11:40 | 13.5 | ↑0.2 | |
| 5/12 11:50 | 13.8 | ↑0.3 | |
| 5/12 12:00 | 14.1 | ↑0.3 | |
| 5/12 12:10 | 14.4 | ↑0.3 | |
| 5/12 12:20 | 14.7 | ↑0.3 | |
| 5/12 12:30 | 15.0 | ↑0.3 | |
| 5/12 12:40 | 15.3 | ↑0.3 | |
| 5/12 12:50 | 15.6 | ↑0.3 | |
| 5/12 13:00 | 15.9 | ↑0.3 | |
| 5/12 13:10 | 16.1 | ↑0.2 | |
| 5/12 13:20 | 16.4 | ↑0.3 | |
| 5/12 13:30 | 16.7 | ↑0.3 | |
| 5/12 13:40 | 16.9 | ↑0.2 | |
| 5/12 13:50 | 17.1 | ↑0.2 | |
| 5/12 14:00 | 17.3 | ↑0.2 | |
| 5/12 14:10 | 17.5 | ↑0.2 | |
| 5/12 14:20 | 17.6 | ↑0.1 | |
| 5/12 14:30 | 17.7 | ↑0.1 | 満潮 |
| 5/12 14:40 | 17.7 | 0 | 満潮 |
| 5/12 14:50 | 17.6 | ↓-0.1 | |
| 5/12 15:00 | 17.6 | 0 | |
| 5/12 15:10 | 17.4 | ↓-0.2 | |
| 5/12 15:20 | 17.2 | ↓-0.2 | |
| 5/12 15:30 | 17.0 | ↓-0.2 | |
| 5/12 15:40 | 16.7 | ↓-0.3 | |
| 5/12 15:50 | 16.3 | ↓-0.4 | |
| 5/12 16:00 | 15.9 | ↓-0.4 | |
| 5/12 16:10 | 15.5 | ↓-0.4 | |
| 5/12 16:20 | 15.0 | ↓-0.5 | |
| 5/12 16:30 | 14.5 | ↓-0.5 | |
| 5/12 16:40 | 13.9 | ↓-0.6 | |
| 5/12 16:50 | 13.3 | ↓-0.6 | |
| 5/12 17:00 | 12.7 | ↓-0.6 | |
| 5/12 17:10 | 12.0 | ↓-0.7 | |
| 5/12 17:20 | 11.3 | ↓-0.7 | |
| 5/12 17:30 | 10.6 | ↓-0.7 | |
| 5/12 17:40 | 9.9 | ↓-0.7 | |
| 5/12 17:50 | 9.2 | ↓-0.7 | |
| 5/12 18:00 | 8.4 | ↓-0.8 | |
| 5/12 18:10 | 7.6 | ↓-0.8 | |
| 5/12 18:20 | 6.8 | ↓-0.8 | |
| 5/12 18:30 | 6.0 | ↓-0.8 | |
| 5/12 18:40 | 5.3 | ↓-0.7 | |
| 5/12 18:50 | 4.5 | ↓-0.8 | |
| 5/12 19:00 | 3.7 | ↓-0.8 | |
| 5/12 19:10 | 2.9 | ↓-0.8 | |
| 5/12 19:20 | 2.1 | ↓-0.8 | |
| 5/12 19:30 | 1.3 | ↓-0.8 | |
| 5/12 19:40 | 0.6 | ↓-0.7 | |
| 5/12 19:50 | -0.1 | ↓-0.7 | |
| 5/12 20:00 | -0.8 | ↓-0.7 | |
| 5/12 20:10 | -1.5 | ↓-0.7 | |
| 5/12 20:20 | -2.1 | ↓-0.6 | |
| 5/12 20:30 | -2.7 | ↓-0.6 | |
| 5/12 20:40 | -3.2 | ↓-0.5 | |
| 5/12 20:50 | -3.7 | ↓-0.5 | |
| 5/12 21:00 | -4.2 | ↓-0.5 | |
| 5/12 21:10 | -4.6 | ↓-0.4 | |
| 5/12 21:20 | -4.9 | ↓-0.3 | |
| 5/12 21:30 | -5.1 | ↓-0.2 | |
| 5/12 21:40 | -5.4 | ↓-0.3 | |
| 5/12 21:50 | -5.5 | ↓-0.1 | |
| 5/12 22:00 | -5.6 | ↓-0.1 | |
| 5/12 22:10 | -5.6 | 0 | 干潮 |
| 5/12 22:20 | -5.6 | 0 | |
| 5/12 22:30 | -5.5 | ↑0.1 | |
| 5/12 22:40 | -5.4 | ↑0.1 | |
| 5/12 22:50 | -5.2 | ↑0.2 | |
| 5/12 23:00 | -5.0 | ↑0.2 | |
| 5/12 23:10 | -4.7 | ↑0.3 | |
| 5/12 23:20 | -4.4 | ↑0.3 | |
| 5/12 23:30 | -4.0 | ↑0.4 | |
| 5/12 23:40 | -3.5 | ↑0.5 | |
| 5/12 23:50 | -3.0 | ↑0.5 |