| 満潮 | 干潮 | 満潮 | 干潮 |
|
04
(日) |
14:50 | 03:05 | - | - |
| 21cm | -2cm | - | - | |
|
||||
留萌（北海道）2025年05月04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 |
|---|---|---|---|
| 5/4 00:00 | 3.8 | ↓-0.6 | |
| 5/4 00:10 | 3.1 | ↓-0.7 | 最大潮位差 |
| 5/4 00:20 | 2.5 | ↓-0.6 | |
| 5/4 00:30 | 1.9 | ↓-0.6 | |
| 5/4 00:40 | 1.3 | ↓-0.6 | |
| 5/4 00:50 | 0.8 | ↓-0.5 | |
| 5/4 01:00 | 0.3 | ↓-0.5 | |
| 5/4 01:10 | -0.1 | ↓-0.4 | |
| 5/4 01:20 | -0.6 | ↓-0.5 | |
| 5/4 01:30 | -0.9 | ↓-0.3 | |
| 5/4 01:40 | -1.3 | ↓-0.4 | |
| 5/4 01:50 | -1.6 | ↓-0.3 | |
| 5/4 02:00 | -1.9 | ↓-0.3 | |
| 5/4 02:10 | -2.1 | ↓-0.2 | |
| 5/4 02:20 | -2.3 | ↓-0.2 | |
| 5/4 02:30 | -2.5 | ↓-0.2 | |
| 5/4 02:40 | -2.6 | ↓-0.1 | |
| 5/4 02:50 | -2.7 | ↓-0.1 | |
| 5/4 03:00 | -2.7 | 0 | 干潮 |
| 5/4 03:10 | -2.7 | 0 | |
| 5/4 03:20 | -2.7 | 0 | |
| 5/4 03:30 | -2.6 | ↑0.1 | |
| 5/4 03:40 | -2.4 | ↑0.2 | |
| 5/4 03:50 | -2.3 | ↑0.1 | |
| 5/4 04:00 | -2.0 | ↑0.3 | |
| 5/4 04:10 | -1.8 | ↑0.2 | |
| 5/4 04:20 | -1.4 | ↑0.4 | |
| 5/4 04:30 | -1.1 | ↑0.3 | |
| 5/4 04:40 | -0.7 | ↑0.4 | |
| 5/4 04:50 | -0.3 | ↑0.4 | |
| 5/4 05:00 | 0.2 | ↑0.5 | |
| 5/4 05:10 | 0.7 | ↑0.5 | |
| 5/4 05:20 | 1.2 | ↑0.5 | |
| 5/4 05:30 | 1.8 | ↑0.6 | |
| 5/4 05:40 | 2.4 | ↑0.6 | |
| 5/4 05:50 | 3.0 | ↑0.6 | |
| 5/4 06:00 | 3.6 | ↑0.6 | |
| 5/4 06:10 | 4.2 | ↑0.6 | |
| 5/4 06:20 | 4.9 | ↑0.7 | 最大潮位差 |
| 5/4 06:30 | 5.5 | ↑0.6 | |
| 5/4 06:40 | 6.2 | ↑0.7 | 最大潮位差 |
| 5/4 06:50 | 6.8 | ↑0.6 | |
| 5/4 07:00 | 7.4 | ↑0.6 | |
| 5/4 07:10 | 8.1 | ↑0.7 | 最大潮位差 |
| 5/4 07:20 | 8.7 | ↑0.6 | |
| 5/4 07:30 | 9.3 | ↑0.6 | |
| 5/4 07:40 | 9.9 | ↑0.6 | |
| 5/4 07:50 | 10.4 | ↑0.5 | |
| 5/4 08:00 | 11.0 | ↑0.6 | |
| 5/4 08:10 | 11.5 | ↑0.5 | |
| 5/4 08:20 | 12.1 | ↑0.6 | |
| 5/4 08:30 | 12.6 | ↑0.5 | |
| 5/4 08:40 | 13.0 | ↑0.4 | |
| 5/4 08:50 | 13.5 | ↑0.5 | |
| 5/4 09:00 | 13.9 | ↑0.4 | |
| 5/4 09:10 | 14.4 | ↑0.5 | |
| 5/4 09:20 | 14.7 | ↑0.3 | |
| 5/4 09:30 | 15.1 | ↑0.4 | |
| 5/4 09:40 | 15.5 | ↑0.4 | |
| 5/4 09:50 | 15.8 | ↑0.3 | |
| 5/4 10:00 | 16.1 | ↑0.3 | |
| 5/4 10:10 | 16.4 | ↑0.3 | |
| 5/4 10:20 | 16.7 | ↑0.3 | |
| 5/4 10:30 | 16.9 | ↑0.2 | |
| 5/4 10:40 | 17.2 | ↑0.3 | |
| 5/4 10:50 | 17.4 | ↑0.2 | |
| 5/4 11:00 | 17.6 | ↑0.2 | |
| 5/4 11:10 | 17.8 | ↑0.2 | |
| 5/4 11:20 | 18.0 | ↑0.2 | |
| 5/4 11:30 | 18.2 | ↑0.2 | |
| 5/4 11:40 | 18.4 | ↑0.2 | |
| 5/4 11:50 | 18.5 | ↑0.1 | |
| 5/4 12:00 | 18.7 | ↑0.2 | |
| 5/4 12:10 | 18.8 | ↑0.1 | |
| 5/4 12:20 | 19.0 | ↑0.2 | |
| 5/4 12:30 | 19.1 | ↑0.1 | |
| 5/4 12:40 | 19.3 | ↑0.2 | |
| 5/4 12:50 | 19.4 | ↑0.1 | |
| 5/4 13:00 | 19.5 | ↑0.1 | |
| 5/4 13:10 | 19.6 | ↑0.1 | |
| 5/4 13:20 | 19.8 | ↑0.2 | |
| 5/4 13:30 | 19.9 | ↑0.1 | |
| 5/4 13:40 | 19.9 | 0 | |
| 5/4 13:50 | 20.0 | ↑0.1 | |
| 5/4 14:00 | 20.1 | ↑0.1 | |
| 5/4 14:10 | 20.1 | 0 | |
| 5/4 14:20 | 20.2 | ↑0.1 | |
| 5/4 14:30 | 20.2 | 0 | |
| 5/4 14:40 | 20.2 | 0 | 満潮 |
| 5/4 14:50 | 20.2 | 0 | 満潮 |
| 5/4 15:00 | 20.2 | 0 | |
| 5/4 15:10 | 20.2 | 0 | |
| 5/4 15:20 | 20.2 | 0 | |
| 5/4 15:30 | 20.1 | ↓-0.1 | |
| 5/4 15:40 | 20.1 | 0 | |
| 5/4 15:50 | 20.1 | 0 | |
| 5/4 16:00 | 20.0 | ↓-0.1 | |
| 5/4 16:10 | 20.0 | 0 | |
| 5/4 16:20 | 20.0 | 0 | |
| 5/4 16:30 | 19.9 | ↓-0.1 | |
| 5/4 16:40 | 19.9 | 0 | |
| 5/4 16:50 | 19.9 | 0 | |
| 5/4 17:00 | 19.8 | ↓-0.1 | |
| 5/4 17:10 | 19.8 | 0 | |
| 5/4 17:20 | 19.8 | 0 | |
| 5/4 17:30 | 19.8 | 0 | |
| 5/4 17:40 | 19.7 | ↓-0.1 | |
| 5/4 17:50 | 19.7 | 0 | |
| 5/4 18:00 | 19.7 | 0 | |
| 5/4 18:10 | 19.7 | 0 | |
| 5/4 18:20 | 19.7 | 0 | |
| 5/4 18:30 | 19.6 | ↓-0.1 | |
| 5/4 18:40 | 19.6 | 0 | |
| 5/4 18:50 | 19.5 | ↓-0.1 | |
| 5/4 19:00 | 19.5 | 0 | |
| 5/4 19:10 | 19.4 | ↓-0.1 | |
| 5/4 19:20 | 19.3 | ↓-0.1 | |
| 5/4 19:30 | 19.2 | ↓-0.1 | |
| 5/4 19:40 | 19.1 | ↓-0.1 | |
| 5/4 19:50 | 19.0 | ↓-0.1 | |
| 5/4 20:00 | 18.8 | ↓-0.2 | |
| 5/4 20:10 | 18.7 | ↓-0.1 | |
| 5/4 20:20 | 18.5 | ↓-0.2 | |
| 5/4 20:30 | 18.2 | ↓-0.3 | |
| 5/4 20:40 | 18.0 | ↓-0.2 | |
| 5/4 20:50 | 17.8 | ↓-0.2 | |
| 5/4 21:00 | 17.5 | ↓-0.3 | |
| 5/4 21:10 | 17.2 | ↓-0.3 | |
| 5/4 21:20 | 16.8 | ↓-0.4 | |
| 5/4 21:30 | 16.5 | ↓-0.3 | |
| 5/4 21:40 | 16.1 | ↓-0.4 | |
| 5/4 21:50 | 15.7 | ↓-0.4 | |
| 5/4 22:00 | 15.2 | ↓-0.5 | |
| 5/4 22:10 | 14.8 | ↓-0.4 | |
| 5/4 22:20 | 14.3 | ↓-0.5 | |
| 5/4 22:30 | 13.8 | ↓-0.5 | |
| 5/4 22:40 | 13.3 | ↓-0.5 | |
| 5/4 22:50 | 12.8 | ↓-0.5 | |
| 5/4 23:00 | 12.2 | ↓-0.6 | |
| 5/4 23:10 | 11.7 | ↓-0.5 | |
| 5/4 23:20 | 11.1 | ↓-0.6 | |
| 5/4 23:30 | 10.6 | ↓-0.5 | |
| 5/4 23:40 | 10.0 | ↓-0.6 | |
| 5/4 23:50 | 9.4 | ↓-0.6 |