| 満潮 | 干潮 | 満潮 | 干潮 |
|
21
(日) |
04:41 | 13:05 | - | - |
| 115cm | 12cm | - | - | |
|
||||
コイセボイ（北海道）2045年05月21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 |
|---|---|---|---|
| 5/21 00:00 | 66.5 | ↑2.0 | |
| 5/21 00:10 | 68.5 | ↑2.0 | |
| 5/21 00:20 | 70.6 | ↑2.1 | |
| 5/21 00:30 | 72.7 | ↑2.1 | |
| 5/21 00:40 | 74.9 | ↑2.2 | |
| 5/21 00:50 | 77.1 | ↑2.2 | |
| 5/21 01:00 | 79.4 | ↑2.3 | |
| 5/21 01:10 | 81.7 | ↑2.3 | |
| 5/21 01:20 | 84.0 | ↑2.3 | |
| 5/21 01:30 | 86.3 | ↑2.3 | |
| 5/21 01:40 | 88.6 | ↑2.3 | |
| 5/21 01:50 | 90.9 | ↑2.3 | |
| 5/21 02:00 | 93.1 | ↑2.2 | |
| 5/21 02:10 | 95.3 | ↑2.2 | |
| 5/21 02:20 | 97.4 | ↑2.1 | |
| 5/21 02:30 | 99.5 | ↑2.1 | |
| 5/21 02:40 | 101.4 | ↑1.9 | |
| 5/21 02:50 | 103.3 | ↑1.9 | |
| 5/21 03:00 | 105.0 | ↑1.7 | |
| 5/21 03:10 | 106.7 | ↑1.7 | |
| 5/21 03:20 | 108.1 | ↑1.4 | |
| 5/21 03:30 | 109.5 | ↑1.4 | |
| 5/21 03:40 | 110.7 | ↑1.2 | |
| 5/21 03:50 | 111.7 | ↑1.0 | |
| 5/21 04:00 | 112.5 | ↑0.8 | |
| 5/21 04:10 | 113.2 | ↑0.7 | |
| 5/21 04:20 | 113.7 | ↑0.5 | |
| 5/21 04:30 | 114.0 | ↑0.3 | |
| 5/21 04:40 | 114.1 | ↑0.1 | 満潮 |
| 5/21 04:50 | 114.0 | ↓-0.1 | |
| 5/21 05:00 | 113.7 | ↓-0.3 | |
| 5/21 05:10 | 113.2 | ↓-0.5 | |
| 5/21 05:20 | 112.5 | ↓-0.7 | |
| 5/21 05:30 | 111.6 | ↓-0.9 | |
| 5/21 05:40 | 110.5 | ↓-1.1 | |
| 5/21 05:50 | 109.2 | ↓-1.3 | |
| 5/21 06:00 | 107.7 | ↓-1.5 | |
| 5/21 06:10 | 106.0 | ↓-1.7 | |
| 5/21 06:20 | 104.1 | ↓-1.9 | |
| 5/21 06:30 | 102.1 | ↓-2.0 | |
| 5/21 06:40 | 99.9 | ↓-2.2 | |
| 5/21 06:50 | 97.5 | ↓-2.4 | |
| 5/21 07:00 | 95.0 | ↓-2.5 | |
| 5/21 07:10 | 92.3 | ↓-2.7 | |
| 5/21 07:20 | 89.6 | ↓-2.7 | |
| 5/21 07:30 | 86.7 | ↓-2.9 | |
| 5/21 07:40 | 83.7 | ↓-3.0 | |
| 5/21 07:50 | 80.6 | ↓-3.1 | |
| 5/21 08:00 | 77.5 | ↓-3.1 | |
| 5/21 08:10 | 74.2 | ↓-3.3 | 最大潮位差 |
| 5/21 08:20 | 71.0 | ↓-3.2 | |
| 5/21 08:30 | 67.7 | ↓-3.3 | 最大潮位差 |
| 5/21 08:40 | 64.4 | ↓-3.3 | 最大潮位差 |
| 5/21 08:50 | 61.1 | ↓-3.3 | 最大潮位差 |
| 5/21 09:00 | 57.8 | ↓-3.3 | 最大潮位差 |
| 5/21 09:10 | 54.6 | ↓-3.2 | |
| 5/21 09:20 | 51.3 | ↓-3.3 | 最大潮位差 |
| 5/21 09:30 | 48.2 | ↓-3.1 | |
| 5/21 09:40 | 45.1 | ↓-3.1 | |
| 5/21 09:50 | 42.1 | ↓-3.0 | |
| 5/21 10:00 | 39.1 | ↓-3.0 | |
| 5/21 10:10 | 36.3 | ↓-2.8 | |
| 5/21 10:20 | 33.6 | ↓-2.7 | |
| 5/21 10:30 | 31.0 | ↓-2.6 | |
| 5/21 10:40 | 28.6 | ↓-2.4 | |
| 5/21 10:50 | 26.3 | ↓-2.3 | |
| 5/21 11:00 | 24.1 | ↓-2.2 | |
| 5/21 11:10 | 22.1 | ↓-2.0 | |
| 5/21 11:20 | 20.3 | ↓-1.8 | |
| 5/21 11:30 | 18.6 | ↓-1.7 | |
| 5/21 11:40 | 17.1 | ↓-1.5 | |
| 5/21 11:50 | 15.8 | ↓-1.3 | |
| 5/21 12:00 | 14.6 | ↓-1.2 | |
| 5/21 12:10 | 13.6 | ↓-1.0 | |
| 5/21 12:20 | 12.8 | ↓-0.8 | |
| 5/21 12:30 | 12.2 | ↓-0.6 | |
| 5/21 12:40 | 11.7 | ↓-0.5 | |
| 5/21 12:50 | 11.4 | ↓-0.3 | |
| 5/21 13:00 | 11.3 | ↓-0.1 | 干潮 |
| 5/21 13:10 | 11.3 | 0 | |
| 5/21 13:20 | 11.5 | ↑0.2 | |
| 5/21 13:30 | 11.8 | ↑0.3 | |
| 5/21 13:40 | 12.2 | ↑0.4 | |
| 5/21 13:50 | 12.8 | ↑0.6 | |
| 5/21 14:00 | 13.5 | ↑0.7 | |
| 5/21 14:10 | 14.3 | ↑0.8 | |
| 5/21 14:20 | 15.2 | ↑0.9 | |
| 5/21 14:30 | 16.2 | ↑1.0 | |
| 5/21 14:40 | 17.2 | ↑1.0 | |
| 5/21 14:50 | 18.4 | ↑1.2 | |
| 5/21 15:00 | 19.6 | ↑1.2 | |
| 5/21 15:10 | 20.8 | ↑1.2 | |
| 5/21 15:20 | 22.1 | ↑1.3 | |
| 5/21 15:30 | 23.4 | ↑1.3 | |
| 5/21 15:40 | 24.8 | ↑1.4 | |
| 5/21 15:50 | 26.1 | ↑1.3 | |
| 5/21 16:00 | 27.5 | ↑1.4 | |
| 5/21 16:10 | 28.8 | ↑1.3 | |
| 5/21 16:20 | 30.1 | ↑1.3 | |
| 5/21 16:30 | 31.4 | ↑1.3 | |
| 5/21 16:40 | 32.7 | ↑1.3 | |
| 5/21 16:50 | 33.9 | ↑1.2 | |
| 5/21 17:00 | 35.0 | ↑1.1 | |
| 5/21 17:10 | 36.2 | ↑1.2 | |
| 5/21 17:20 | 37.2 | ↑1.0 | |
| 5/21 17:30 | 38.2 | ↑1.0 | |
| 5/21 17:40 | 39.1 | ↑0.9 | |
| 5/21 17:50 | 40.0 | ↑0.9 | |
| 5/21 18:00 | 40.8 | ↑0.8 | |
| 5/21 18:10 | 41.5 | ↑0.7 | |
| 5/21 18:20 | 42.2 | ↑0.7 | |
| 5/21 18:30 | 42.8 | ↑0.6 | |
| 5/21 18:40 | 43.3 | ↑0.5 | |
| 5/21 18:50 | 43.8 | ↑0.5 | |
| 5/21 19:00 | 44.2 | ↑0.4 | |
| 5/21 19:10 | 44.6 | ↑0.4 | |
| 5/21 19:20 | 44.9 | ↑0.3 | |
| 5/21 19:30 | 45.1 | ↑0.2 | |
| 5/21 19:40 | 45.3 | ↑0.2 | |
| 5/21 19:50 | 45.5 | ↑0.2 | |
| 5/21 20:00 | 45.6 | ↑0.1 | |
| 5/21 20:10 | 45.7 | ↑0.1 | |
| 5/21 20:20 | 45.8 | ↑0.1 | |
| 5/21 20:30 | 45.9 | ↑0.1 | |
| 5/21 20:40 | 46.0 | ↑0.1 | |
| 5/21 20:50 | 46.1 | ↑0.1 | |
| 5/21 21:00 | 46.2 | ↑0.1 | |
| 5/21 21:10 | 46.4 | ↑0.2 | |
| 5/21 21:20 | 46.5 | ↑0.1 | |
| 5/21 21:30 | 46.7 | ↑0.2 | |
| 5/21 21:40 | 47.0 | ↑0.3 | |
| 5/21 21:50 | 47.3 | ↑0.3 | |
| 5/21 22:00 | 47.6 | ↑0.3 | |
| 5/21 22:10 | 48.1 | ↑0.5 | |
| 5/21 22:20 | 48.5 | ↑0.4 | |
| 5/21 22:30 | 49.1 | ↑0.6 | |
| 5/21 22:40 | 49.8 | ↑0.7 | |
| 5/21 22:50 | 50.5 | ↑0.7 | |
| 5/21 23:00 | 51.3 | ↑0.8 | |
| 5/21 23:10 | 52.2 | ↑0.9 | |
| 5/21 23:20 | 53.2 | ↑1.0 | |
| 5/21 23:30 | 54.2 | ↑1.0 | |
| 5/21 23:40 | 55.4 | ↑1.2 | |
| 5/21 23:50 | 56.7 | ↑1.3 |