| 満潮 | 干潮 | 満潮 | 干潮 |
|
01
(木) |
- | - | - | - |
| - | - | - | - | |
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留萌（北海道）2031年05月01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 |
|---|---|---|---|
| 5/1 00:00 | 6.8 | ↓-0.4 | 最大潮位差 |
| 5/1 00:10 | 6.5 | ↓-0.3 | |
| 5/1 00:20 | 6.2 | ↓-0.3 | |
| 5/1 00:30 | 5.9 | ↓-0.3 | |
| 5/1 00:40 | 5.6 | ↓-0.3 | |
| 5/1 00:50 | 5.2 | ↓-0.4 | 最大潮位差 |
| 5/1 01:00 | 4.9 | ↓-0.3 | |
| 5/1 01:10 | 4.6 | ↓-0.3 | |
| 5/1 01:20 | 4.3 | ↓-0.3 | |
| 5/1 01:30 | 4.0 | ↓-0.3 | |
| 5/1 01:40 | 3.7 | ↓-0.3 | |
| 5/1 01:50 | 3.5 | ↓-0.2 | |
| 5/1 02:00 | 3.2 | ↓-0.3 | |
| 5/1 02:10 | 3.0 | ↓-0.2 | |
| 5/1 02:20 | 2.8 | ↓-0.2 | |
| 5/1 02:30 | 2.5 | ↓-0.3 | |
| 5/1 02:40 | 2.3 | ↓-0.2 | |
| 5/1 02:50 | 2.1 | ↓-0.2 | |
| 5/1 03:00 | 2.0 | ↓-0.1 | |
| 5/1 03:10 | 1.8 | ↓-0.2 | |
| 5/1 03:20 | 1.6 | ↓-0.2 | |
| 5/1 03:30 | 1.5 | ↓-0.1 | |
| 5/1 03:40 | 1.3 | ↓-0.2 | |
| 5/1 03:50 | 1.2 | ↓-0.1 | |
| 5/1 04:00 | 1.1 | ↓-0.1 | |
| 5/1 04:10 | 1.0 | ↓-0.1 | |
| 5/1 04:20 | 1.0 | 0 | |
| 5/1 04:30 | 0.9 | ↓-0.1 | |
| 5/1 04:40 | 0.9 | 0 | |
| 5/1 04:50 | 0.9 | 0 | |
| 5/1 05:00 | 0.9 | 0 | |
| 5/1 05:10 | 1.0 | ↑0.1 | |
| 5/1 05:20 | 1.0 | 0 | |
| 5/1 05:30 | 1.1 | ↑0.1 | |
| 5/1 05:40 | 1.2 | ↑0.1 | |
| 5/1 05:50 | 1.4 | ↑0.2 | |
| 5/1 06:00 | 1.6 | ↑0.2 | |
| 5/1 06:10 | 1.8 | ↑0.2 | |
| 5/1 06:20 | 2.0 | ↑0.2 | |
| 5/1 06:30 | 2.2 | ↑0.2 | |
| 5/1 06:40 | 2.5 | ↑0.3 | |
| 5/1 06:50 | 2.7 | ↑0.2 | |
| 5/1 07:00 | 3.0 | ↑0.3 | |
| 5/1 07:10 | 3.3 | ↑0.3 | |
| 5/1 07:20 | 3.7 | ↑0.4 | 最大潮位差 |
| 5/1 07:30 | 4.0 | ↑0.3 | |
| 5/1 07:40 | 4.3 | ↑0.3 | |
| 5/1 07:50 | 4.7 | ↑0.4 | 最大潮位差 |
| 5/1 08:00 | 5.0 | ↑0.3 | |
| 5/1 08:10 | 5.4 | ↑0.4 | 最大潮位差 |
| 5/1 08:20 | 5.8 | ↑0.4 | 最大潮位差 |
| 5/1 08:30 | 6.1 | ↑0.3 | |
| 5/1 08:40 | 6.5 | ↑0.4 | 最大潮位差 |
| 5/1 08:50 | 6.9 | ↑0.4 | 最大潮位差 |
| 5/1 09:00 | 7.3 | ↑0.4 | 最大潮位差 |
| 5/1 09:10 | 7.6 | ↑0.3 | |
| 5/1 09:20 | 8.0 | ↑0.4 | 最大潮位差 |
| 5/1 09:30 | 8.4 | ↑0.4 | 最大潮位差 |
| 5/1 09:40 | 8.7 | ↑0.3 | |
| 5/1 09:50 | 9.1 | ↑0.4 | 最大潮位差 |
| 5/1 10:00 | 9.4 | ↑0.3 | |
| 5/1 10:10 | 9.7 | ↑0.3 | |
| 5/1 10:20 | 10.0 | ↑0.3 | |
| 5/1 10:30 | 10.3 | ↑0.3 | |
| 5/1 10:40 | 10.6 | ↑0.3 | |
| 5/1 10:50 | 10.8 | ↑0.2 | |
| 5/1 11:00 | 11.1 | ↑0.3 | |
| 5/1 11:10 | 11.3 | ↑0.2 | |
| 5/1 11:20 | 11.4 | ↑0.1 | |
| 5/1 11:30 | 11.6 | ↑0.2 | |
| 5/1 11:40 | 11.7 | ↑0.1 | |
| 5/1 11:50 | 11.8 | ↑0.1 | |
| 5/1 12:00 | 11.9 | ↑0.1 | |
| 5/1 12:10 | 12.0 | ↑0.1 | |
| 5/1 12:20 | 12.0 | 0 | |
| 5/1 12:30 | 12.0 | 0 | |
| 5/1 12:40 | 12.1 | ↑0.1 | |
| 5/1 12:50 | 12.1 | 0 | |
| 5/1 13:00 | 12.1 | 0 | |
| 5/1 13:10 | 12.0 | ↓-0.1 | |
| 5/1 13:20 | 12.0 | 0 | |
| 5/1 13:30 | 12.0 | 0 | |
| 5/1 13:40 | 11.9 | ↓-0.1 | |
| 5/1 13:50 | 11.9 | 0 | |
| 5/1 14:00 | 11.8 | ↓-0.1 | |
| 5/1 14:10 | 11.8 | 0 | |
| 5/1 14:20 | 11.7 | ↓-0.1 | |
| 5/1 14:30 | 11.6 | ↓-0.1 | |
| 5/1 14:40 | 11.5 | ↓-0.1 | |
| 5/1 14:50 | 11.5 | 0 | |
| 5/1 15:00 | 11.4 | ↓-0.1 | |
| 5/1 15:10 | 11.2 | ↓-0.2 | |
| 5/1 15:20 | 11.1 | ↓-0.1 | |
| 5/1 15:30 | 11.0 | ↓-0.1 | |
| 5/1 15:40 | 10.8 | ↓-0.2 | |
| 5/1 15:50 | 10.7 | ↓-0.1 | |
| 5/1 16:00 | 10.5 | ↓-0.2 | |
| 5/1 16:10 | 10.3 | ↓-0.2 | |
| 5/1 16:20 | 10.1 | ↓-0.2 | |
| 5/1 16:30 | 10.0 | ↓-0.1 | |
| 5/1 16:40 | 9.8 | ↓-0.2 | |
| 5/1 16:50 | 9.6 | ↓-0.2 | |
| 5/1 17:00 | 9.4 | ↓-0.2 | |
| 5/1 17:10 | 9.2 | ↓-0.2 | |
| 5/1 17:20 | 9.0 | ↓-0.2 | |
| 5/1 17:30 | 8.9 | ↓-0.1 | |
| 5/1 17:40 | 8.7 | ↓-0.2 | |
| 5/1 17:50 | 8.6 | ↓-0.1 | |
| 5/1 18:00 | 8.4 | ↓-0.2 | |
| 5/1 18:10 | 8.3 | ↓-0.1 | |
| 5/1 18:20 | 8.2 | ↓-0.1 | |
| 5/1 18:30 | 8.1 | ↓-0.1 | |
| 5/1 18:40 | 8.0 | ↓-0.1 | |
| 5/1 18:50 | 8.0 | 0 | |
| 5/1 19:00 | 7.9 | ↓-0.1 | |
| 5/1 19:10 | 7.9 | 0 | |
| 5/1 19:20 | 7.9 | 0 | |
| 5/1 19:30 | 7.8 | ↓-0.1 | |
| 5/1 19:40 | 7.8 | 0 | |
| 5/1 19:50 | 7.8 | 0 | |
| 5/1 20:00 | 7.8 | 0 | |
| 5/1 20:10 | 7.9 | ↑0.1 | |
| 5/1 20:20 | 7.9 | 0 | |
| 5/1 20:30 | 7.9 | 0 | |
| 5/1 20:40 | 8.0 | ↑0.1 | |
| 5/1 20:50 | 8.0 | 0 | |
| 5/1 21:00 | 8.1 | ↑0.1 | |
| 5/1 21:10 | 8.1 | 0 | |
| 5/1 21:20 | 8.2 | ↑0.1 | |
| 5/1 21:30 | 8.3 | ↑0.1 | |
| 5/1 21:40 | 8.3 | 0 | |
| 5/1 21:50 | 8.4 | ↑0.1 | |
| 5/1 22:00 | 8.5 | ↑0.1 | |
| 5/1 22:10 | 8.6 | ↑0.1 | |
| 5/1 22:20 | 8.6 | 0 | |
| 5/1 22:30 | 8.7 | ↑0.1 | |
| 5/1 22:40 | 8.7 | 0 | |
| 5/1 22:50 | 8.7 | 0 | |
| 5/1 23:00 | 8.7 | 0 | |
| 5/1 23:10 | 8.7 | 0 | |
| 5/1 23:20 | 8.7 | 0 | |
| 5/1 23:30 | 8.6 | ↓-0.1 | |
| 5/1 23:40 | 8.5 | ↓-0.1 | |
| 5/1 23:50 | 8.4 | ↓-0.1 |