| 満潮 | 干潮 | 満潮 | 干潮 |
|
12
(金) |
18:04 | 03:01 | - | - |
| 21cm | -2cm | - | - | |
|
||||
留萌（北海道）2023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 | 3.8 | ↓-0.7 | |
| 5/12 00:10 | 3.1 | ↓-0.7 | |
| 5/12 00:20 | 2.5 | ↓-0.6 | |
| 5/12 00:30 | 1.9 | ↓-0.6 | |
| 5/12 00:40 | 1.4 | ↓-0.5 | |
| 5/12 00:50 | 0.8 | ↓-0.6 | |
| 5/12 01:00 | 0.4 | ↓-0.4 | |
| 5/12 01:10 | -0.1 | ↓-0.5 | |
| 5/12 01:20 | -0.5 | ↓-0.4 | |
| 5/12 01:30 | -0.9 | ↓-0.4 | |
| 5/12 01:40 | -1.2 | ↓-0.3 | |
| 5/12 01:50 | -1.5 | ↓-0.3 | |
| 5/12 02:00 | -1.8 | ↓-0.3 | |
| 5/12 02:10 | -2.0 | ↓-0.2 | |
| 5/12 02:20 | -2.2 | ↓-0.2 | |
| 5/12 02:30 | -2.4 | ↓-0.2 | |
| 5/12 02:40 | -2.5 | ↓-0.1 | |
| 5/12 02:50 | -2.5 | 0 | |
| 5/12 03:00 | -2.6 | ↓-0.1 | 干潮 |
| 5/12 03:10 | -2.5 | ↑0.1 | |
| 5/12 03:20 | -2.5 | 0 | |
| 5/12 03:30 | -2.4 | ↑0.1 | |
| 5/12 03:40 | -2.2 | ↑0.2 | |
| 5/12 03:50 | -2.0 | ↑0.2 | |
| 5/12 04:00 | -1.8 | ↑0.2 | |
| 5/12 04:10 | -1.5 | ↑0.3 | |
| 5/12 04:20 | -1.1 | ↑0.4 | |
| 5/12 04:30 | -0.7 | ↑0.4 | |
| 5/12 04:40 | -0.3 | ↑0.4 | |
| 5/12 04:50 | 0.2 | ↑0.5 | |
| 5/12 05:00 | 0.7 | ↑0.5 | |
| 5/12 05:10 | 1.2 | ↑0.5 | |
| 5/12 05:20 | 1.8 | ↑0.6 | |
| 5/12 05:30 | 2.4 | ↑0.6 | |
| 5/12 05:40 | 3.1 | ↑0.7 | |
| 5/12 05:50 | 3.8 | ↑0.7 | |
| 5/12 06:00 | 4.5 | ↑0.7 | |
| 5/12 06:10 | 5.2 | ↑0.7 | |
| 5/12 06:20 | 5.9 | ↑0.7 | |
| 5/12 06:30 | 6.6 | ↑0.7 | |
| 5/12 06:40 | 7.4 | ↑0.8 | 最大潮位差 |
| 5/12 06:50 | 8.1 | ↑0.7 | |
| 5/12 07:00 | 8.9 | ↑0.8 | 最大潮位差 |
| 5/12 07:10 | 9.6 | ↑0.7 | |
| 5/12 07:20 | 10.3 | ↑0.7 | |
| 5/12 07:30 | 11.0 | ↑0.7 | |
| 5/12 07:40 | 11.7 | ↑0.7 | |
| 5/12 07:50 | 12.4 | ↑0.7 | |
| 5/12 08:00 | 13.1 | ↑0.7 | |
| 5/12 08:10 | 13.7 | ↑0.6 | |
| 5/12 08:20 | 14.3 | ↑0.6 | |
| 5/12 08:30 | 14.9 | ↑0.6 | |
| 5/12 08:40 | 15.4 | ↑0.5 | |
| 5/12 08:50 | 15.9 | ↑0.5 | |
| 5/12 09:00 | 16.4 | ↑0.5 | |
| 5/12 09:10 | 16.9 | ↑0.5 | |
| 5/12 09:20 | 17.3 | ↑0.4 | |
| 5/12 09:30 | 17.7 | ↑0.4 | |
| 5/12 09:40 | 18.0 | ↑0.3 | |
| 5/12 09:50 | 18.3 | ↑0.3 | |
| 5/12 10:00 | 18.6 | ↑0.3 | |
| 5/12 10:10 | 18.8 | ↑0.2 | |
| 5/12 10:20 | 19.1 | ↑0.3 | |
| 5/12 10:30 | 19.3 | ↑0.2 | |
| 5/12 10:40 | 19.4 | ↑0.1 | |
| 5/12 10:50 | 19.6 | ↑0.2 | |
| 5/12 11:00 | 19.7 | ↑0.1 | |
| 5/12 11:10 | 19.8 | ↑0.1 | |
| 5/12 11:20 | 19.8 | 0 | |
| 5/12 11:30 | 19.9 | ↑0.1 | |
| 5/12 11:40 | 20.0 | ↑0.1 | |
| 5/12 11:50 | 20.0 | 0 | |
| 5/12 12:00 | 20.0 | 0 | |
| 5/12 12:10 | 20.1 | ↑0.1 | |
| 5/12 12:20 | 20.1 | 0 | |
| 5/12 12:30 | 20.1 | 0 | |
| 5/12 12:40 | 20.2 | ↑0.1 | |
| 5/12 12:50 | 20.2 | 0 | |
| 5/12 13:00 | 20.2 | 0 | |
| 5/12 13:10 | 20.2 | 0 | |
| 5/12 13:20 | 20.3 | ↑0.1 | |
| 5/12 13:30 | 20.3 | 0 | |
| 5/12 13:40 | 20.3 | 0 | |
| 5/12 13:50 | 20.4 | ↑0.1 | |
| 5/12 14:00 | 20.4 | 0 | |
| 5/12 14:10 | 20.4 | 0 | |
| 5/12 14:20 | 20.4 | 0 | |
| 5/12 14:30 | 20.5 | ↑0.1 | |
| 5/12 14:40 | 20.5 | 0 | |
| 5/12 14:50 | 20.5 | 0 | |
| 5/12 15:00 | 20.5 | 0 | |
| 5/12 15:10 | 20.6 | ↑0.1 | |
| 5/12 15:20 | 20.6 | 0 | |
| 5/12 15:30 | 20.6 | 0 | |
| 5/12 15:40 | 20.6 | 0 | |
| 5/12 15:50 | 20.6 | 0 | |
| 5/12 16:00 | 20.6 | 0 | |
| 5/12 16:10 | 20.7 | ↑0.1 | |
| 5/12 16:20 | 20.7 | 0 | |
| 5/12 16:30 | 20.7 | 0 | |
| 5/12 16:40 | 20.7 | 0 | |
| 5/12 16:50 | 20.7 | 0 | |
| 5/12 17:00 | 20.8 | ↑0.1 | |
| 5/12 17:10 | 20.8 | 0 | |
| 5/12 17:20 | 20.8 | 0 | |
| 5/12 17:30 | 20.8 | 0 | |
| 5/12 17:40 | 20.8 | 0 | |
| 5/12 17:50 | 20.8 | 0 | |
| 5/12 18:00 | 20.8 | 0 | 満潮 |
| 5/12 18:10 | 20.8 | 0 | |
| 5/12 18:20 | 20.8 | 0 | |
| 5/12 18:30 | 20.8 | 0 | |
| 5/12 18:40 | 20.8 | 0 | |
| 5/12 18:50 | 20.7 | ↓-0.1 | |
| 5/12 19:00 | 20.7 | 0 | |
| 5/12 19:10 | 20.6 | ↓-0.1 | |
| 5/12 19:20 | 20.5 | ↓-0.1 | |
| 5/12 19:30 | 20.4 | ↓-0.1 | |
| 5/12 19:40 | 20.2 | ↓-0.2 | |
| 5/12 19:50 | 20.1 | ↓-0.1 | |
| 5/12 20:00 | 19.9 | ↓-0.2 | |
| 5/12 20:10 | 19.7 | ↓-0.2 | |
| 5/12 20:20 | 19.5 | ↓-0.2 | |
| 5/12 20:30 | 19.2 | ↓-0.3 | |
| 5/12 20:40 | 18.9 | ↓-0.3 | |
| 5/12 20:50 | 18.6 | ↓-0.3 | |
| 5/12 21:00 | 18.3 | ↓-0.3 | |
| 5/12 21:10 | 18.0 | ↓-0.3 | |
| 5/12 21:20 | 17.6 | ↓-0.4 | |
| 5/12 21:30 | 17.2 | ↓-0.4 | |
| 5/12 21:40 | 16.8 | ↓-0.4 | |
| 5/12 21:50 | 16.3 | ↓-0.5 | |
| 5/12 22:00 | 15.8 | ↓-0.5 | |
| 5/12 22:10 | 15.3 | ↓-0.5 | |
| 5/12 22:20 | 14.8 | ↓-0.5 | |
| 5/12 22:30 | 14.3 | ↓-0.5 | |
| 5/12 22:40 | 13.7 | ↓-0.6 | |
| 5/12 22:50 | 13.1 | ↓-0.6 | |
| 5/12 23:00 | 12.6 | ↓-0.5 | |
| 5/12 23:10 | 12.0 | ↓-0.6 | |
| 5/12 23:20 | 11.3 | ↓-0.7 | |
| 5/12 23:30 | 10.7 | ↓-0.6 | |
| 5/12 23:40 | 10.1 | ↓-0.6 | |
| 5/12 23:50 | 9.5 | ↓-0.6 |