| 満潮 | 干潮 | 満潮 | 干潮 |
|
4
(日) |
00:41 | 04:54 | 11:02 | 18:47 |
| 23cm | 23cm | 29cm | 15cm | |
|
||||
留萌（北海道）2021年07月4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 |
|---|---|---|---|
| 7/4 00:00 | 22.6 | 0 | |
| 7/4 00:10 | 22.6 | 0 | |
| 7/4 00:20 | 22.6 | 0 | |
| 7/4 00:30 | 22.7 | ↑0.1 | |
| 7/4 00:40 | 22.7 | 0 | 満潮 |
| 7/4 00:50 | 22.7 | 0 | |
| 7/4 01:00 | 22.7 | 0 | |
| 7/4 01:10 | 22.6 | ↓-0.1 | |
| 7/4 01:20 | 22.6 | 0 | |
| 7/4 01:30 | 22.6 | 0 | |
| 7/4 01:40 | 22.6 | 0 | |
| 7/4 01:50 | 22.6 | 0 | |
| 7/4 02:00 | 22.6 | 0 | |
| 7/4 02:10 | 22.6 | 0 | |
| 7/4 02:20 | 22.6 | 0 | |
| 7/4 02:30 | 22.6 | 0 | |
| 7/4 02:40 | 22.6 | 0 | |
| 7/4 02:50 | 22.5 | ↓-0.1 | |
| 7/4 03:00 | 22.5 | 0 | |
| 7/4 03:10 | 22.5 | 0 | |
| 7/4 03:20 | 22.5 | 0 | |
| 7/4 03:30 | 22.4 | ↓-0.1 | |
| 7/4 03:40 | 22.4 | 0 | |
| 7/4 03:50 | 22.4 | 0 | |
| 7/4 04:00 | 22.3 | ↓-0.1 | |
| 7/4 04:10 | 22.3 | 0 | |
| 7/4 04:20 | 22.3 | 0 | |
| 7/4 04:30 | 22.2 | ↓-0.1 | |
| 7/4 04:40 | 22.2 | 0 | |
| 7/4 04:50 | 22.2 | 0 | 干潮 |
| 7/4 05:00 | 22.2 | 0 | |
| 7/4 05:10 | 22.2 | 0 | |
| 7/4 05:20 | 22.3 | ↑0.1 | |
| 7/4 05:30 | 22.3 | 0 | |
| 7/4 05:40 | 22.4 | ↑0.1 | |
| 7/4 05:50 | 22.4 | 0 | |
| 7/4 06:00 | 22.5 | ↑0.1 | |
| 7/4 06:10 | 22.7 | ↑0.2 | |
| 7/4 06:20 | 22.8 | ↑0.1 | |
| 7/4 06:30 | 22.9 | ↑0.1 | |
| 7/4 06:40 | 23.1 | ↑0.2 | |
| 7/4 06:50 | 23.3 | ↑0.2 | |
| 7/4 07:00 | 23.5 | ↑0.2 | |
| 7/4 07:10 | 23.7 | ↑0.2 | |
| 7/4 07:20 | 23.9 | ↑0.2 | |
| 7/4 07:30 | 24.1 | ↑0.2 | |
| 7/4 07:40 | 24.3 | ↑0.2 | |
| 7/4 07:50 | 24.6 | ↑0.3 | |
| 7/4 08:00 | 24.8 | ↑0.2 | |
| 7/4 08:10 | 25.1 | ↑0.3 | |
| 7/4 08:20 | 25.3 | ↑0.2 | |
| 7/4 08:30 | 25.6 | ↑0.3 | |
| 7/4 08:40 | 25.8 | ↑0.2 | |
| 7/4 08:50 | 26.1 | ↑0.3 | |
| 7/4 09:00 | 26.3 | ↑0.2 | |
| 7/4 09:10 | 26.6 | ↑0.3 | |
| 7/4 09:20 | 26.8 | ↑0.2 | |
| 7/4 09:30 | 27.0 | ↑0.2 | |
| 7/4 09:40 | 27.2 | ↑0.2 | |
| 7/4 09:50 | 27.4 | ↑0.2 | |
| 7/4 10:00 | 27.6 | ↑0.2 | |
| 7/4 10:10 | 27.8 | ↑0.2 | |
| 7/4 10:20 | 27.9 | ↑0.1 | |
| 7/4 10:30 | 28.0 | ↑0.1 | |
| 7/4 10:40 | 28.1 | ↑0.1 | |
| 7/4 10:50 | 28.2 | ↑0.1 | |
| 7/4 11:00 | 28.2 | 0 | 満潮 |
| 7/4 11:10 | 28.2 | 0 | |
| 7/4 11:20 | 28.1 | ↓-0.1 | |
| 7/4 11:30 | 28.1 | 0 | |
| 7/4 11:40 | 27.9 | ↓-0.2 | |
| 7/4 11:50 | 27.8 | ↓-0.1 | |
| 7/4 12:00 | 27.6 | ↓-0.2 | |
| 7/4 12:10 | 27.4 | ↓-0.2 | |
| 7/4 12:20 | 27.1 | ↓-0.3 | |
| 7/4 12:30 | 26.8 | ↓-0.3 | |
| 7/4 12:40 | 26.5 | ↓-0.3 | |
| 7/4 12:50 | 26.2 | ↓-0.3 | |
| 7/4 13:00 | 25.8 | ↓-0.4 | |
| 7/4 13:10 | 25.5 | ↓-0.3 | |
| 7/4 13:20 | 25.1 | ↓-0.4 | |
| 7/4 13:30 | 24.7 | ↓-0.4 | |
| 7/4 13:40 | 24.3 | ↓-0.4 | |
| 7/4 13:50 | 23.9 | ↓-0.4 | |
| 7/4 14:00 | 23.5 | ↓-0.4 | |
| 7/4 14:10 | 23.0 | ↓-0.5 | 最大潮位差 |
| 7/4 14:20 | 22.6 | ↓-0.4 | |
| 7/4 14:30 | 22.2 | ↓-0.4 | |
| 7/4 14:40 | 21.7 | ↓-0.5 | 最大潮位差 |
| 7/4 14:50 | 21.3 | ↓-0.4 | |
| 7/4 15:00 | 20.8 | ↓-0.5 | 最大潮位差 |
| 7/4 15:10 | 20.4 | ↓-0.4 | |
| 7/4 15:20 | 20.0 | ↓-0.4 | |
| 7/4 15:30 | 19.5 | ↓-0.5 | 最大潮位差 |
| 7/4 15:40 | 19.1 | ↓-0.4 | |
| 7/4 15:50 | 18.7 | ↓-0.4 | |
| 7/4 16:00 | 18.2 | ↓-0.5 | 最大潮位差 |
| 7/4 16:10 | 17.8 | ↓-0.4 | |
| 7/4 16:20 | 17.4 | ↓-0.4 | |
| 7/4 16:30 | 17.0 | ↓-0.4 | |
| 7/4 16:40 | 16.7 | ↓-0.3 | |
| 7/4 16:50 | 16.3 | ↓-0.4 | |
| 7/4 17:00 | 16.0 | ↓-0.3 | |
| 7/4 17:10 | 15.7 | ↓-0.3 | |
| 7/4 17:20 | 15.4 | ↓-0.3 | |
| 7/4 17:30 | 15.1 | ↓-0.3 | |
| 7/4 17:40 | 14.9 | ↓-0.2 | |
| 7/4 17:50 | 14.7 | ↓-0.2 | |
| 7/4 18:00 | 14.6 | ↓-0.1 | |
| 7/4 18:10 | 14.4 | ↓-0.2 | |
| 7/4 18:20 | 14.3 | ↓-0.1 | |
| 7/4 18:30 | 14.3 | 0 | |
| 7/4 18:40 | 14.2 | ↓-0.1 | 干潮 |
| 7/4 18:50 | 14.2 | 0 | |
| 7/4 19:00 | 14.2 | 0 | |
| 7/4 19:10 | 14.3 | ↑0.1 | |
| 7/4 19:20 | 14.4 | ↑0.1 | |
| 7/4 19:30 | 14.5 | ↑0.1 | |
| 7/4 19:40 | 14.6 | ↑0.1 | |
| 7/4 19:50 | 14.8 | ↑0.2 | |
| 7/4 20:00 | 14.9 | ↑0.1 | |
| 7/4 20:10 | 15.1 | ↑0.2 | |
| 7/4 20:20 | 15.4 | ↑0.3 | |
| 7/4 20:30 | 15.6 | ↑0.2 | |
| 7/4 20:40 | 15.8 | ↑0.2 | |
| 7/4 20:50 | 16.1 | ↑0.3 | |
| 7/4 21:00 | 16.4 | ↑0.3 | |
| 7/4 21:10 | 16.7 | ↑0.3 | |
| 7/4 21:20 | 17.0 | ↑0.3 | |
| 7/4 21:30 | 17.3 | ↑0.3 | |
| 7/4 21:40 | 17.7 | ↑0.4 | |
| 7/4 21:50 | 18.0 | ↑0.3 | |
| 7/4 22:00 | 18.4 | ↑0.4 | |
| 7/4 22:10 | 18.7 | ↑0.3 | |
| 7/4 22:20 | 19.1 | ↑0.4 | |
| 7/4 22:30 | 19.5 | ↑0.4 | |
| 7/4 22:40 | 19.8 | ↑0.3 | |
| 7/4 22:50 | 20.2 | ↑0.4 | |
| 7/4 23:00 | 20.5 | ↑0.3 | |
| 7/4 23:10 | 20.9 | ↑0.4 | |
| 7/4 23:20 | 21.2 | ↑0.3 | |
| 7/4 23:30 | 21.5 | ↑0.3 | |
| 7/4 23:40 | 21.8 | ↑0.3 | |
| 7/4 23:50 | 22.1 | ↑0.3 |