| 満潮 | 干潮 | 満潮 | 干潮 |
|
15
(土) |
07:27 | 11:11 | 16:30 | - |
| 21cm | 19cm | 23cm | - | |
|
||||
留萌（北海道）2021年05月15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 |
|---|---|---|---|
| 5/15 00:00 | -3.2 | ↑0.1 | |
| 5/15 00:10 | -3.1 | ↑0.1 | |
| 5/15 00:20 | -2.9 | ↑0.2 | |
| 5/15 00:30 | -2.7 | ↑0.2 | |
| 5/15 00:40 | -2.4 | ↑0.3 | |
| 5/15 00:50 | -2.0 | ↑0.4 | |
| 5/15 01:00 | -1.6 | ↑0.4 | |
| 5/15 01:10 | -1.2 | ↑0.4 | |
| 5/15 01:20 | -0.7 | ↑0.5 | |
| 5/15 01:30 | -0.1 | ↑0.6 | |
| 5/15 01:40 | 0.4 | ↑0.5 | |
| 5/15 01:50 | 1.1 | ↑0.7 | |
| 5/15 02:00 | 1.7 | ↑0.6 | |
| 5/15 02:10 | 2.4 | ↑0.7 | |
| 5/15 02:20 | 3.1 | ↑0.7 | |
| 5/15 02:30 | 3.9 | ↑0.8 | |
| 5/15 02:40 | 4.7 | ↑0.8 | |
| 5/15 02:50 | 5.5 | ↑0.8 | |
| 5/15 03:00 | 6.3 | ↑0.8 | |
| 5/15 03:10 | 7.2 | ↑0.9 | 最大潮位差 |
| 5/15 03:20 | 8.1 | ↑0.9 | 最大潮位差 |
| 5/15 03:30 | 8.9 | ↑0.8 | |
| 5/15 03:40 | 9.8 | ↑0.9 | 最大潮位差 |
| 5/15 03:50 | 10.7 | ↑0.9 | 最大潮位差 |
| 5/15 04:00 | 11.5 | ↑0.8 | |
| 5/15 04:10 | 12.4 | ↑0.9 | 最大潮位差 |
| 5/15 04:20 | 13.2 | ↑0.8 | |
| 5/15 04:30 | 14.0 | ↑0.8 | |
| 5/15 04:40 | 14.8 | ↑0.8 | |
| 5/15 04:50 | 15.5 | ↑0.7 | |
| 5/15 05:00 | 16.2 | ↑0.7 | |
| 5/15 05:10 | 16.8 | ↑0.6 | |
| 5/15 05:20 | 17.4 | ↑0.6 | |
| 5/15 05:30 | 17.9 | ↑0.5 | |
| 5/15 05:40 | 18.4 | ↑0.5 | |
| 5/15 05:50 | 18.8 | ↑0.4 | |
| 5/15 06:00 | 19.2 | ↑0.4 | |
| 5/15 06:10 | 19.6 | ↑0.4 | |
| 5/15 06:20 | 19.9 | ↑0.3 | |
| 5/15 06:30 | 20.1 | ↑0.2 | |
| 5/15 06:40 | 20.3 | ↑0.2 | |
| 5/15 06:50 | 20.4 | ↑0.1 | |
| 5/15 07:00 | 20.5 | ↑0.1 | |
| 5/15 07:10 | 20.6 | ↑0.1 | |
| 5/15 07:20 | 20.6 | 0 | 満潮 |
| 5/15 07:30 | 20.6 | 0 | |
| 5/15 07:40 | 20.6 | 0 | |
| 5/15 07:50 | 20.6 | 0 | |
| 5/15 08:00 | 20.5 | ↓-0.1 | |
| 5/15 08:10 | 20.4 | ↓-0.1 | |
| 5/15 08:20 | 20.3 | ↓-0.1 | |
| 5/15 08:30 | 20.1 | ↓-0.2 | |
| 5/15 08:40 | 20.0 | ↓-0.1 | |
| 5/15 08:50 | 19.8 | ↓-0.2 | |
| 5/15 09:00 | 19.7 | ↓-0.1 | |
| 5/15 09:10 | 19.5 | ↓-0.2 | |
| 5/15 09:20 | 19.3 | ↓-0.2 | |
| 5/15 09:30 | 19.2 | ↓-0.1 | |
| 5/15 09:40 | 19.0 | ↓-0.2 | |
| 5/15 09:50 | 18.9 | ↓-0.1 | |
| 5/15 10:00 | 18.7 | ↓-0.2 | |
| 5/15 10:10 | 18.6 | ↓-0.1 | |
| 5/15 10:20 | 18.5 | ↓-0.1 | |
| 5/15 10:30 | 18.4 | ↓-0.1 | |
| 5/15 10:40 | 18.3 | ↓-0.1 | |
| 5/15 10:50 | 18.3 | 0 | |
| 5/15 11:00 | 18.2 | ↓-0.1 | |
| 5/15 11:10 | 18.2 | 0 | 干潮 |
| 5/15 11:20 | 18.2 | 0 | |
| 5/15 11:30 | 18.3 | ↑0.1 | |
| 5/15 11:40 | 18.3 | 0 | |
| 5/15 11:50 | 18.4 | ↑0.1 | |
| 5/15 12:00 | 18.5 | ↑0.1 | |
| 5/15 12:10 | 18.6 | ↑0.1 | |
| 5/15 12:20 | 18.7 | ↑0.1 | |
| 5/15 12:30 | 18.8 | ↑0.1 | |
| 5/15 12:40 | 18.9 | ↑0.1 | |
| 5/15 12:50 | 19.1 | ↑0.2 | |
| 5/15 13:00 | 19.2 | ↑0.1 | |
| 5/15 13:10 | 19.4 | ↑0.2 | |
| 5/15 13:20 | 19.6 | ↑0.2 | |
| 5/15 13:30 | 19.7 | ↑0.1 | |
| 5/15 13:40 | 19.9 | ↑0.2 | |
| 5/15 13:50 | 20.0 | ↑0.1 | |
| 5/15 14:00 | 20.2 | ↑0.2 | |
| 5/15 14:10 | 20.4 | ↑0.2 | |
| 5/15 14:20 | 20.5 | ↑0.1 | |
| 5/15 14:30 | 20.7 | ↑0.2 | |
| 5/15 14:40 | 20.8 | ↑0.1 | |
| 5/15 14:50 | 21.0 | ↑0.2 | |
| 5/15 15:00 | 21.2 | ↑0.2 | |
| 5/15 15:10 | 21.3 | ↑0.1 | |
| 5/15 15:20 | 21.5 | ↑0.2 | |
| 5/15 15:30 | 21.6 | ↑0.1 | |
| 5/15 15:40 | 21.7 | ↑0.1 | |
| 5/15 15:50 | 21.8 | ↑0.1 | |
| 5/15 16:00 | 21.9 | ↑0.1 | |
| 5/15 16:10 | 22.0 | ↑0.1 | |
| 5/15 16:20 | 22.0 | 0 | 満潮 |
| 5/15 16:30 | 22.0 | 0 | 満潮 |
| 5/15 16:40 | 22.0 | 0 | |
| 5/15 16:50 | 22.0 | 0 | |
| 5/15 17:00 | 21.9 | ↓-0.1 | |
| 5/15 17:10 | 21.7 | ↓-0.2 | |
| 5/15 17:20 | 21.5 | ↓-0.2 | |
| 5/15 17:30 | 21.3 | ↓-0.2 | |
| 5/15 17:40 | 21.0 | ↓-0.3 | |
| 5/15 17:50 | 20.7 | ↓-0.3 | |
| 5/15 18:00 | 20.3 | ↓-0.4 | |
| 5/15 18:10 | 19.9 | ↓-0.4 | |
| 5/15 18:20 | 19.4 | ↓-0.5 | |
| 5/15 18:30 | 18.9 | ↓-0.5 | |
| 5/15 18:40 | 18.4 | ↓-0.5 | |
| 5/15 18:50 | 17.8 | ↓-0.6 | |
| 5/15 19:00 | 17.1 | ↓-0.7 | |
| 5/15 19:10 | 16.5 | ↓-0.6 | |
| 5/15 19:20 | 15.8 | ↓-0.7 | |
| 5/15 19:30 | 15.0 | ↓-0.8 | |
| 5/15 19:40 | 14.3 | ↓-0.7 | |
| 5/15 19:50 | 13.5 | ↓-0.8 | |
| 5/15 20:00 | 12.7 | ↓-0.8 | |
| 5/15 20:10 | 11.9 | ↓-0.8 | |
| 5/15 20:20 | 11.1 | ↓-0.8 | |
| 5/15 20:30 | 10.2 | ↓-0.9 | 最大潮位差 |
| 5/15 20:40 | 9.4 | ↓-0.8 | |
| 5/15 20:50 | 8.6 | ↓-0.8 | |
| 5/15 21:00 | 7.7 | ↓-0.9 | 最大潮位差 |
| 5/15 21:10 | 6.9 | ↓-0.8 | |
| 5/15 21:20 | 6.1 | ↓-0.8 | |
| 5/15 21:30 | 5.3 | ↓-0.8 | |
| 5/15 21:40 | 4.6 | ↓-0.7 | |
| 5/15 21:50 | 3.8 | ↓-0.8 | |
| 5/15 22:00 | 3.1 | ↓-0.7 | |
| 5/15 22:10 | 2.4 | ↓-0.7 | |
| 5/15 22:20 | 1.8 | ↓-0.6 | |
| 5/15 22:30 | 1.2 | ↓-0.6 | |
| 5/15 22:40 | 0.6 | ↓-0.6 | |
| 5/15 22:50 | 0.1 | ↓-0.5 | |
| 5/15 23:00 | -0.3 | ↓-0.4 | |
| 5/15 23:10 | -0.7 | ↓-0.4 | |
| 5/15 23:20 | -1.1 | ↓-0.4 | |
| 5/15 23:30 | -1.4 | ↓-0.3 | |
| 5/15 23:40 | -1.6 | ↓-0.2 | |
| 5/15 23:50 | -1.8 | ↓-0.2 |