| 満潮 | 干潮 | 満潮 | 干潮 |
|
04
(火) |
14:39 | 04:04 | - | - |
| 20cm | -1cm | - | - | |
|
||||
留萌（北海道）2021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 | 6.9 | ↓-0.6 | |
| 5/4 00:10 | 6.3 | ↓-0.6 | |
| 5/4 00:20 | 5.7 | ↓-0.6 | |
| 5/4 00:30 | 5.1 | ↓-0.6 | |
| 5/4 00:40 | 4.6 | ↓-0.5 | |
| 5/4 00:50 | 4.1 | ↓-0.5 | |
| 5/4 01:00 | 3.6 | ↓-0.5 | |
| 5/4 01:10 | 3.1 | ↓-0.5 | |
| 5/4 01:20 | 2.6 | ↓-0.5 | |
| 5/4 01:30 | 2.1 | ↓-0.5 | |
| 5/4 01:40 | 1.7 | ↓-0.4 | |
| 5/4 01:50 | 1.3 | ↓-0.4 | |
| 5/4 02:00 | 0.9 | ↓-0.4 | |
| 5/4 02:10 | 0.5 | ↓-0.4 | |
| 5/4 02:20 | 0.1 | ↓-0.4 | |
| 5/4 02:30 | -0.2 | ↓-0.3 | |
| 5/4 02:40 | -0.5 | ↓-0.3 | |
| 5/4 02:50 | -0.8 | ↓-0.3 | |
| 5/4 03:00 | -1.0 | ↓-0.2 | |
| 5/4 03:10 | -1.2 | ↓-0.2 | |
| 5/4 03:20 | -1.4 | ↓-0.2 | |
| 5/4 03:30 | -1.6 | ↓-0.2 | |
| 5/4 03:40 | -1.7 | ↓-0.1 | |
| 5/4 03:50 | -1.7 | 0 | |
| 5/4 04:00 | -1.8 | ↓-0.1 | 干潮 |
| 5/4 04:10 | -1.8 | 0 | |
| 5/4 04:20 | -1.7 | ↑0.1 | |
| 5/4 04:30 | -1.6 | ↑0.1 | |
| 5/4 04:40 | -1.5 | ↑0.1 | |
| 5/4 04:50 | -1.3 | ↑0.2 | |
| 5/4 05:00 | -1.1 | ↑0.2 | |
| 5/4 05:10 | -0.8 | ↑0.3 | |
| 5/4 05:20 | -0.5 | ↑0.3 | |
| 5/4 05:30 | -0.1 | ↑0.4 | |
| 5/4 05:40 | 0.3 | ↑0.4 | |
| 5/4 05:50 | 0.7 | ↑0.4 | |
| 5/4 06:00 | 1.2 | ↑0.5 | |
| 5/4 06:10 | 1.7 | ↑0.5 | |
| 5/4 06:20 | 2.2 | ↑0.5 | |
| 5/4 06:30 | 2.7 | ↑0.5 | |
| 5/4 06:40 | 3.3 | ↑0.6 | |
| 5/4 06:50 | 3.9 | ↑0.6 | |
| 5/4 07:00 | 4.5 | ↑0.6 | |
| 5/4 07:10 | 5.1 | ↑0.6 | |
| 5/4 07:20 | 5.8 | ↑0.7 | 最大潮位差 |
| 5/4 07:30 | 6.4 | ↑0.6 | |
| 5/4 07:40 | 7.0 | ↑0.6 | |
| 5/4 07:50 | 7.7 | ↑0.7 | 最大潮位差 |
| 5/4 08:00 | 8.3 | ↑0.6 | |
| 5/4 08:10 | 8.9 | ↑0.6 | |
| 5/4 08:20 | 9.6 | ↑0.7 | 最大潮位差 |
| 5/4 08:30 | 10.2 | ↑0.6 | |
| 5/4 08:40 | 10.8 | ↑0.6 | |
| 5/4 08:50 | 11.4 | ↑0.6 | |
| 5/4 09:00 | 11.9 | ↑0.5 | |
| 5/4 09:10 | 12.5 | ↑0.6 | |
| 5/4 09:20 | 13.0 | ↑0.5 | |
| 5/4 09:30 | 13.5 | ↑0.5 | |
| 5/4 09:40 | 14.0 | ↑0.5 | |
| 5/4 09:50 | 14.4 | ↑0.4 | |
| 5/4 10:00 | 14.8 | ↑0.4 | |
| 5/4 10:10 | 15.2 | ↑0.4 | |
| 5/4 10:20 | 15.6 | ↑0.4 | |
| 5/4 10:30 | 15.9 | ↑0.3 | |
| 5/4 10:40 | 16.2 | ↑0.3 | |
| 5/4 10:50 | 16.5 | ↑0.3 | |
| 5/4 11:00 | 16.8 | ↑0.3 | |
| 5/4 11:10 | 17.0 | ↑0.2 | |
| 5/4 11:20 | 17.3 | ↑0.3 | |
| 5/4 11:30 | 17.5 | ↑0.2 | |
| 5/4 11:40 | 17.7 | ↑0.2 | |
| 5/4 11:50 | 17.8 | ↑0.1 | |
| 5/4 12:00 | 18.0 | ↑0.2 | |
| 5/4 12:10 | 18.1 | ↑0.1 | |
| 5/4 12:20 | 18.3 | ↑0.2 | |
| 5/4 12:30 | 18.4 | ↑0.1 | |
| 5/4 12:40 | 18.5 | ↑0.1 | |
| 5/4 12:50 | 18.6 | ↑0.1 | |
| 5/4 13:00 | 18.7 | ↑0.1 | |
| 5/4 13:10 | 18.8 | ↑0.1 | |
| 5/4 13:20 | 18.9 | ↑0.1 | |
| 5/4 13:30 | 19.0 | ↑0.1 | |
| 5/4 13:40 | 19.1 | ↑0.1 | |
| 5/4 13:50 | 19.1 | 0 | |
| 5/4 14:00 | 19.2 | ↑0.1 | |
| 5/4 14:10 | 19.2 | 0 | |
| 5/4 14:20 | 19.2 | 0 | |
| 5/4 14:30 | 19.3 | ↑0.1 | 満潮 |
| 5/4 14:40 | 19.3 | 0 | |
| 5/4 14:50 | 19.3 | 0 | |
| 5/4 15:00 | 19.2 | ↓-0.1 | |
| 5/4 15:10 | 19.2 | 0 | |
| 5/4 15:20 | 19.2 | 0 | |
| 5/4 15:30 | 19.1 | ↓-0.1 | |
| 5/4 15:40 | 19.1 | 0 | |
| 5/4 15:50 | 19.0 | ↓-0.1 | |
| 5/4 16:00 | 18.9 | ↓-0.1 | |
| 5/4 16:10 | 18.9 | 0 | |
| 5/4 16:20 | 18.8 | ↓-0.1 | |
| 5/4 16:30 | 18.7 | ↓-0.1 | |
| 5/4 16:40 | 18.6 | ↓-0.1 | |
| 5/4 16:50 | 18.6 | 0 | |
| 5/4 17:00 | 18.5 | ↓-0.1 | |
| 5/4 17:10 | 18.4 | ↓-0.1 | |
| 5/4 17:20 | 18.4 | 0 | |
| 5/4 17:30 | 18.3 | ↓-0.1 | |
| 5/4 17:40 | 18.2 | ↓-0.1 | |
| 5/4 17:50 | 18.2 | 0 | |
| 5/4 18:00 | 18.1 | ↓-0.1 | |
| 5/4 18:10 | 18.1 | 0 | |
| 5/4 18:20 | 18.0 | ↓-0.1 | |
| 5/4 18:30 | 18.0 | 0 | |
| 5/4 18:40 | 17.9 | ↓-0.1 | |
| 5/4 18:50 | 17.9 | 0 | |
| 5/4 19:00 | 17.8 | ↓-0.1 | |
| 5/4 19:10 | 17.7 | ↓-0.1 | |
| 5/4 19:20 | 17.7 | 0 | |
| 5/4 19:30 | 17.6 | ↓-0.1 | |
| 5/4 19:40 | 17.5 | ↓-0.1 | |
| 5/4 19:50 | 17.4 | ↓-0.1 | |
| 5/4 20:00 | 17.3 | ↓-0.1 | |
| 5/4 20:10 | 17.2 | ↓-0.1 | |
| 5/4 20:20 | 17.1 | ↓-0.1 | |
| 5/4 20:30 | 17.0 | ↓-0.1 | |
| 5/4 20:40 | 16.9 | ↓-0.1 | |
| 5/4 20:50 | 16.7 | ↓-0.2 | |
| 5/4 21:00 | 16.6 | ↓-0.1 | |
| 5/4 21:10 | 16.4 | ↓-0.2 | |
| 5/4 21:20 | 16.2 | ↓-0.2 | |
| 5/4 21:30 | 16.0 | ↓-0.2 | |
| 5/4 21:40 | 15.8 | ↓-0.2 | |
| 5/4 21:50 | 15.6 | ↓-0.2 | |
| 5/4 22:00 | 15.3 | ↓-0.3 | |
| 5/4 22:10 | 15.1 | ↓-0.2 | |
| 5/4 22:20 | 14.8 | ↓-0.3 | |
| 5/4 22:30 | 14.5 | ↓-0.3 | |
| 5/4 22:40 | 14.2 | ↓-0.3 | |
| 5/4 22:50 | 13.8 | ↓-0.4 | |
| 5/4 23:00 | 13.5 | ↓-0.3 | |
| 5/4 23:10 | 13.1 | ↓-0.4 | |
| 5/4 23:20 | 12.7 | ↓-0.4 | |
| 5/4 23:30 | 12.3 | ↓-0.4 | |
| 5/4 23:40 | 11.9 | ↓-0.4 | |
| 5/4 23:50 | 11.5 | ↓-0.4 |