| 満潮 | 干潮 | 満潮 | 干潮 |
|
20
(火) |
00:54 | 08:31 | 15:09 | 18:46 |
| 98cm | 13cm | 61cm | 52cm | |
|
||||
コイセボイ（北海道）2031年05月20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 |
|---|---|---|---|
| 5/20 00:00 | 94.6 | ↑0.9 | |
| 5/20 00:10 | 95.4 | ↑0.8 | |
| 5/20 00:20 | 96.1 | ↑0.7 | |
| 5/20 00:30 | 96.6 | ↑0.5 | |
| 5/20 00:40 | 96.9 | ↑0.3 | |
| 5/20 00:50 | 97.1 | ↑0.2 | 満潮 |
| 5/20 01:00 | 97.0 | ↓-0.1 | |
| 5/20 01:10 | 96.8 | ↓-0.2 | |
| 5/20 01:20 | 96.4 | ↓-0.4 | |
| 5/20 01:30 | 95.8 | ↓-0.6 | |
| 5/20 01:40 | 95.1 | ↓-0.7 | |
| 5/20 01:50 | 94.1 | ↓-1.0 | |
| 5/20 02:00 | 93.0 | ↓-1.1 | |
| 5/20 02:10 | 91.7 | ↓-1.3 | |
| 5/20 02:20 | 90.2 | ↓-1.5 | |
| 5/20 02:30 | 88.5 | ↓-1.7 | |
| 5/20 02:40 | 86.7 | ↓-1.8 | |
| 5/20 02:50 | 84.7 | ↓-2.0 | |
| 5/20 03:00 | 82.6 | ↓-2.1 | |
| 5/20 03:10 | 80.3 | ↓-2.3 | |
| 5/20 03:20 | 77.9 | ↓-2.4 | |
| 5/20 03:30 | 75.4 | ↓-2.5 | |
| 5/20 03:40 | 72.8 | ↓-2.6 | |
| 5/20 03:50 | 70.1 | ↓-2.7 | |
| 5/20 04:00 | 67.3 | ↓-2.8 | |
| 5/20 04:10 | 64.4 | ↓-2.9 | |
| 5/20 04:20 | 61.5 | ↓-2.9 | |
| 5/20 04:30 | 58.6 | ↓-2.9 | |
| 5/20 04:40 | 55.7 | ↓-2.9 | |
| 5/20 04:50 | 52.7 | ↓-3.0 | 最大潮位差 |
| 5/20 05:00 | 49.8 | ↓-2.9 | |
| 5/20 05:10 | 46.9 | ↓-2.9 | |
| 5/20 05:20 | 44.0 | ↓-2.9 | |
| 5/20 05:30 | 41.2 | ↓-2.8 | |
| 5/20 05:40 | 38.4 | ↓-2.8 | |
| 5/20 05:50 | 35.8 | ↓-2.6 | |
| 5/20 06:00 | 33.2 | ↓-2.6 | |
| 5/20 06:10 | 30.8 | ↓-2.4 | |
| 5/20 06:20 | 28.4 | ↓-2.4 | |
| 5/20 06:30 | 26.2 | ↓-2.2 | |
| 5/20 06:40 | 24.2 | ↓-2.0 | |
| 5/20 06:50 | 22.2 | ↓-2.0 | |
| 5/20 07:00 | 20.5 | ↓-1.7 | |
| 5/20 07:10 | 18.9 | ↓-1.6 | |
| 5/20 07:20 | 17.5 | ↓-1.4 | |
| 5/20 07:30 | 16.3 | ↓-1.2 | |
| 5/20 07:40 | 15.2 | ↓-1.1 | |
| 5/20 07:50 | 14.4 | ↓-0.8 | |
| 5/20 08:00 | 13.7 | ↓-0.7 | |
| 5/20 08:10 | 13.3 | ↓-0.4 | |
| 5/20 08:20 | 13.0 | ↓-0.3 | |
| 5/20 08:30 | 12.9 | ↓-0.1 | 干潮 |
| 5/20 08:40 | 13.0 | ↑0.1 | |
| 5/20 08:50 | 13.2 | ↑0.2 | |
| 5/20 09:00 | 13.7 | ↑0.5 | |
| 5/20 09:10 | 14.3 | ↑0.6 | |
| 5/20 09:20 | 15.1 | ↑0.8 | |
| 5/20 09:30 | 16.0 | ↑0.9 | |
| 5/20 09:40 | 17.1 | ↑1.1 | |
| 5/20 09:50 | 18.3 | ↑1.2 | |
| 5/20 10:00 | 19.6 | ↑1.3 | |
| 5/20 10:10 | 21.1 | ↑1.5 | |
| 5/20 10:20 | 22.6 | ↑1.5 | |
| 5/20 10:30 | 24.3 | ↑1.7 | |
| 5/20 10:40 | 26.0 | ↑1.7 | |
| 5/20 10:50 | 27.8 | ↑1.8 | |
| 5/20 11:00 | 29.6 | ↑1.8 | |
| 5/20 11:10 | 31.5 | ↑1.9 | |
| 5/20 11:20 | 33.4 | ↑1.9 | |
| 5/20 11:30 | 35.3 | ↑1.9 | |
| 5/20 11:40 | 37.2 | ↑1.9 | |
| 5/20 11:50 | 39.2 | ↑2.0 | |
| 5/20 12:00 | 41.0 | ↑1.8 | |
| 5/20 12:10 | 42.9 | ↑1.9 | |
| 5/20 12:20 | 44.7 | ↑1.8 | |
| 5/20 12:30 | 46.4 | ↑1.7 | |
| 5/20 12:40 | 48.1 | ↑1.7 | |
| 5/20 12:50 | 49.6 | ↑1.5 | |
| 5/20 13:00 | 51.1 | ↑1.5 | |
| 5/20 13:10 | 52.5 | ↑1.4 | |
| 5/20 13:20 | 53.9 | ↑1.4 | |
| 5/20 13:30 | 55.0 | ↑1.1 | |
| 5/20 13:40 | 56.1 | ↑1.1 | |
| 5/20 13:50 | 57.1 | ↑1.0 | |
| 5/20 14:00 | 57.9 | ↑0.8 | |
| 5/20 14:10 | 58.7 | ↑0.8 | |
| 5/20 14:20 | 59.3 | ↑0.6 | |
| 5/20 14:30 | 59.7 | ↑0.4 | |
| 5/20 14:40 | 60.1 | ↑0.4 | |
| 5/20 14:50 | 60.4 | ↑0.3 | |
| 5/20 15:00 | 60.5 | ↑0.1 | 満潮 |
| 5/20 15:10 | 60.5 | 0 | |
| 5/20 15:20 | 60.5 | 0 | |
| 5/20 15:30 | 60.3 | ↓-0.2 | |
| 5/20 15:40 | 60.0 | ↓-0.3 | |
| 5/20 15:50 | 59.7 | ↓-0.3 | |
| 5/20 16:00 | 59.3 | ↓-0.4 | |
| 5/20 16:10 | 58.8 | ↓-0.5 | |
| 5/20 16:20 | 58.3 | ↓-0.5 | |
| 5/20 16:30 | 57.7 | ↓-0.6 | |
| 5/20 16:40 | 57.1 | ↓-0.6 | |
| 5/20 16:50 | 56.5 | ↓-0.6 | |
| 5/20 17:00 | 55.9 | ↓-0.6 | |
| 5/20 17:10 | 55.3 | ↓-0.6 | |
| 5/20 17:20 | 54.7 | ↓-0.6 | |
| 5/20 17:30 | 54.1 | ↓-0.6 | |
| 5/20 17:40 | 53.6 | ↓-0.5 | |
| 5/20 17:50 | 53.1 | ↓-0.5 | |
| 5/20 18:00 | 52.6 | ↓-0.5 | |
| 5/20 18:10 | 52.3 | ↓-0.3 | |
| 5/20 18:20 | 52.0 | ↓-0.3 | |
| 5/20 18:30 | 51.8 | ↓-0.2 | |
| 5/20 18:40 | 51.7 | ↓-0.1 | 干潮 |
| 5/20 18:50 | 51.7 | 0 | |
| 5/20 19:00 | 51.8 | ↑0.1 | |
| 5/20 19:10 | 52.0 | ↑0.2 | |
| 5/20 19:20 | 52.3 | ↑0.3 | |
| 5/20 19:30 | 52.8 | ↑0.5 | |
| 5/20 19:40 | 53.4 | ↑0.6 | |
| 5/20 19:50 | 54.1 | ↑0.7 | |
| 5/20 20:00 | 55.0 | ↑0.9 | |
| 5/20 20:10 | 55.9 | ↑0.9 | |
| 5/20 20:20 | 57.0 | ↑1.1 | |
| 5/20 20:30 | 58.2 | ↑1.2 | |
| 5/20 20:40 | 59.6 | ↑1.4 | |
| 5/20 20:50 | 61.0 | ↑1.4 | |
| 5/20 21:00 | 62.6 | ↑1.6 | |
| 5/20 21:10 | 64.3 | ↑1.7 | |
| 5/20 21:20 | 66.0 | ↑1.7 | |
| 5/20 21:30 | 67.9 | ↑1.9 | |
| 5/20 21:40 | 69.8 | ↑1.9 | |
| 5/20 21:50 | 71.8 | ↑2.0 | |
| 5/20 22:00 | 73.8 | ↑2.0 | |
| 5/20 22:10 | 75.9 | ↑2.1 | |
| 5/20 22:20 | 77.9 | ↑2.0 | |
| 5/20 22:30 | 80.1 | ↑2.2 | |
| 5/20 22:40 | 82.2 | ↑2.1 | |
| 5/20 22:50 | 84.3 | ↑2.1 | |
| 5/20 23:00 | 86.3 | ↑2.0 | |
| 5/20 23:10 | 88.3 | ↑2.0 | |
| 5/20 23:20 | 90.3 | ↑2.0 | |
| 5/20 23:30 | 92.2 | ↑1.9 | |
| 5/20 23:40 | 94.0 | ↑1.8 | |
| 5/20 23:50 | 95.7 | ↑1.7 |