| 満潮 | 干潮 | 満潮 | 干潮 |
|
18
(火) |
03:42 | 08:22 | 13:22 | 21:00 |
| 17cm | 12cm | 17cm | -4cm | |
|
||||
留萌（北海道）2027年05月18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 |
|---|---|---|---|
| 5/18 00:00 | 7.8 | ↑0.7 | |
| 5/18 00:10 | 8.5 | ↑0.7 | |
| 5/18 00:20 | 9.2 | ↑0.7 | |
| 5/18 00:30 | 9.8 | ↑0.6 | |
| 5/18 00:40 | 10.5 | ↑0.7 | |
| 5/18 00:50 | 11.1 | ↑0.6 | |
| 5/18 01:00 | 11.7 | ↑0.6 | |
| 5/18 01:10 | 12.2 | ↑0.5 | |
| 5/18 01:20 | 12.7 | ↑0.5 | |
| 5/18 01:30 | 13.2 | ↑0.5 | |
| 5/18 01:40 | 13.7 | ↑0.5 | |
| 5/18 01:50 | 14.1 | ↑0.4 | |
| 5/18 02:00 | 14.4 | ↑0.3 | |
| 5/18 02:10 | 14.7 | ↑0.3 | |
| 5/18 02:20 | 15.0 | ↑0.3 | |
| 5/18 02:30 | 15.3 | ↑0.3 | |
| 5/18 02:40 | 15.5 | ↑0.2 | |
| 5/18 02:50 | 15.6 | ↑0.1 | |
| 5/18 03:00 | 15.8 | ↑0.2 | |
| 5/18 03:10 | 15.9 | ↑0.1 | |
| 5/18 03:20 | 16.0 | ↑0.1 | |
| 5/18 03:30 | 16.0 | 0 | |
| 5/18 03:40 | 16.0 | 0 | 満潮 |
| 5/18 03:50 | 16.0 | 0 | |
| 5/18 04:00 | 16.0 | 0 | |
| 5/18 04:10 | 15.9 | ↓-0.1 | |
| 5/18 04:20 | 15.8 | ↓-0.1 | |
| 5/18 04:30 | 15.7 | ↓-0.1 | |
| 5/18 04:40 | 15.5 | ↓-0.2 | |
| 5/18 04:50 | 15.4 | ↓-0.1 | |
| 5/18 05:00 | 15.2 | ↓-0.2 | |
| 5/18 05:10 | 15.0 | ↓-0.2 | |
| 5/18 05:20 | 14.8 | ↓-0.2 | |
| 5/18 05:30 | 14.5 | ↓-0.3 | |
| 5/18 05:40 | 14.3 | ↓-0.2 | |
| 5/18 05:50 | 14.0 | ↓-0.3 | |
| 5/18 06:00 | 13.7 | ↓-0.3 | |
| 5/18 06:10 | 13.5 | ↓-0.2 | |
| 5/18 06:20 | 13.2 | ↓-0.3 | |
| 5/18 06:30 | 13.0 | ↓-0.2 | |
| 5/18 06:40 | 12.7 | ↓-0.3 | |
| 5/18 06:50 | 12.5 | ↓-0.2 | |
| 5/18 07:00 | 12.3 | ↓-0.2 | |
| 5/18 07:10 | 12.1 | ↓-0.2 | |
| 5/18 07:20 | 11.9 | ↓-0.2 | |
| 5/18 07:30 | 11.8 | ↓-0.1 | |
| 5/18 07:40 | 11.7 | ↓-0.1 | |
| 5/18 07:50 | 11.6 | ↓-0.1 | |
| 5/18 08:00 | 11.5 | ↓-0.1 | |
| 5/18 08:10 | 11.5 | 0 | |
| 5/18 08:20 | 11.5 | 0 | 干潮 |
| 5/18 08:30 | 11.5 | 0 | |
| 5/18 08:40 | 11.5 | 0 | |
| 5/18 08:50 | 11.6 | ↑0.1 | |
| 5/18 09:00 | 11.6 | 0 | |
| 5/18 09:10 | 11.7 | ↑0.1 | |
| 5/18 09:20 | 11.8 | ↑0.1 | |
| 5/18 09:30 | 12.0 | ↑0.2 | |
| 5/18 09:40 | 12.1 | ↑0.1 | |
| 5/18 09:50 | 12.3 | ↑0.2 | |
| 5/18 10:00 | 12.5 | ↑0.2 | |
| 5/18 10:10 | 12.7 | ↑0.2 | |
| 5/18 10:20 | 12.9 | ↑0.2 | |
| 5/18 10:30 | 13.1 | ↑0.2 | |
| 5/18 10:40 | 13.4 | ↑0.3 | |
| 5/18 10:50 | 13.6 | ↑0.2 | |
| 5/18 11:00 | 13.9 | ↑0.3 | |
| 5/18 11:10 | 14.2 | ↑0.3 | |
| 5/18 11:20 | 14.5 | ↑0.3 | |
| 5/18 11:30 | 14.8 | ↑0.3 | |
| 5/18 11:40 | 15.0 | ↑0.2 | |
| 5/18 11:50 | 15.3 | ↑0.3 | |
| 5/18 12:00 | 15.6 | ↑0.3 | |
| 5/18 12:10 | 15.8 | ↑0.2 | |
| 5/18 12:20 | 16.1 | ↑0.3 | |
| 5/18 12:30 | 16.3 | ↑0.2 | |
| 5/18 12:40 | 16.5 | ↑0.2 | |
| 5/18 12:50 | 16.6 | ↑0.1 | |
| 5/18 13:00 | 16.7 | ↑0.1 | |
| 5/18 13:10 | 16.8 | ↑0.1 | |
| 5/18 13:20 | 16.8 | 0 | 満潮 |
| 5/18 13:30 | 16.8 | 0 | |
| 5/18 13:40 | 16.8 | 0 | |
| 5/18 13:50 | 16.6 | ↓-0.2 | |
| 5/18 14:00 | 16.5 | ↓-0.1 | |
| 5/18 14:10 | 16.3 | ↓-0.2 | |
| 5/18 14:20 | 16.0 | ↓-0.3 | |
| 5/18 14:30 | 15.8 | ↓-0.2 | |
| 5/18 14:40 | 15.4 | ↓-0.4 | |
| 5/18 14:50 | 15.1 | ↓-0.3 | |
| 5/18 15:00 | 14.7 | ↓-0.4 | |
| 5/18 15:10 | 14.2 | ↓-0.5 | |
| 5/18 15:20 | 13.7 | ↓-0.5 | |
| 5/18 15:30 | 13.2 | ↓-0.5 | |
| 5/18 15:40 | 12.7 | ↓-0.5 | |
| 5/18 15:50 | 12.2 | ↓-0.5 | |
| 5/18 16:00 | 11.6 | ↓-0.6 | |
| 5/18 16:10 | 11.0 | ↓-0.6 | |
| 5/18 16:20 | 10.4 | ↓-0.6 | |
| 5/18 16:30 | 9.7 | ↓-0.7 | |
| 5/18 16:40 | 9.1 | ↓-0.6 | |
| 5/18 16:50 | 8.4 | ↓-0.7 | |
| 5/18 17:00 | 7.7 | ↓-0.7 | |
| 5/18 17:10 | 7.0 | ↓-0.7 | |
| 5/18 17:20 | 6.3 | ↓-0.7 | |
| 5/18 17:30 | 5.5 | ↓-0.8 | 最大潮位差 |
| 5/18 17:40 | 4.8 | ↓-0.7 | |
| 5/18 17:50 | 4.1 | ↓-0.7 | |
| 5/18 18:00 | 3.4 | ↓-0.7 | |
| 5/18 18:10 | 2.6 | ↓-0.8 | 最大潮位差 |
| 5/18 18:20 | 1.9 | ↓-0.7 | |
| 5/18 18:30 | 1.2 | ↓-0.7 | |
| 5/18 18:40 | 0.6 | ↓-0.6 | |
| 5/18 18:50 | -0.1 | ↓-0.7 | |
| 5/18 19:00 | -0.7 | ↓-0.6 | |
| 5/18 19:10 | -1.2 | ↓-0.5 | |
| 5/18 19:20 | -1.8 | ↓-0.6 | |
| 5/18 19:30 | -2.3 | ↓-0.5 | |
| 5/18 19:40 | -2.7 | ↓-0.4 | |
| 5/18 19:50 | -3.1 | ↓-0.4 | |
| 5/18 20:00 | -3.4 | ↓-0.3 | |
| 5/18 20:10 | -3.7 | ↓-0.3 | |
| 5/18 20:20 | -4.0 | ↓-0.3 | |
| 5/18 20:30 | -4.1 | ↓-0.1 | |
| 5/18 20:40 | -4.3 | ↓-0.2 | |
| 5/18 20:50 | -4.3 | 0 | 干潮 |
| 5/18 21:00 | -4.4 | ↓-0.1 | 干潮 |
| 5/18 21:10 | -4.3 | ↑0.1 | |
| 5/18 21:20 | -4.2 | ↑0.1 | |
| 5/18 21:30 | -4.1 | ↑0.1 | |
| 5/18 21:40 | -3.9 | ↑0.2 | |
| 5/18 21:50 | -3.7 | ↑0.2 | |
| 5/18 22:00 | -3.4 | ↑0.3 | |
| 5/18 22:10 | -3.0 | ↑0.4 | |
| 5/18 22:20 | -2.6 | ↑0.4 | |
| 5/18 22:30 | -2.2 | ↑0.4 | |
| 5/18 22:40 | -1.7 | ↑0.5 | |
| 5/18 22:50 | -1.2 | ↑0.5 | |
| 5/18 23:00 | -0.6 | ↑0.6 | |
| 5/18 23:10 | 0.1 | ↑0.7 | |
| 5/18 23:20 | 0.7 | ↑0.6 | |
| 5/18 23:30 | 1.5 | ↑0.8 | 最大潮位差 |
| 5/18 23:40 | 2.2 | ↑0.7 | |
| 5/18 23:50 | 3.0 | ↑0.8 | 最大潮位差 |