| 満潮 | 干潮 | 満潮 | 干潮 |
|
21
(土) |
01:44 | 09:27 | 16:05 | 19:26 |
| 107cm | 7cm | 59cm | 51cm | |
|
||||
コイセボイ（北海道）2050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 | 96.5 | ↑1.8 | |
| 5/21 00:10 | 98.1 | ↑1.6 | |
| 5/21 00:20 | 99.7 | ↑1.6 | |
| 5/21 00:30 | 101.1 | ↑1.4 | |
| 5/21 00:40 | 102.4 | ↑1.3 | |
| 5/21 00:50 | 103.5 | ↑1.1 | |
| 5/21 01:00 | 104.4 | ↑0.9 | |
| 5/21 01:10 | 105.2 | ↑0.8 | |
| 5/21 01:20 | 105.7 | ↑0.5 | |
| 5/21 01:30 | 106.1 | ↑0.4 | |
| 5/21 01:40 | 106.3 | ↑0.2 | 満潮 |
| 5/21 01:50 | 106.2 | ↓-0.1 | |
| 5/21 02:00 | 105.9 | ↓-0.3 | |
| 5/21 02:10 | 105.5 | ↓-0.4 | |
| 5/21 02:20 | 104.8 | ↓-0.7 | |
| 5/21 02:30 | 103.8 | ↓-1.0 | |
| 5/21 02:40 | 102.7 | ↓-1.1 | |
| 5/21 02:50 | 101.4 | ↓-1.3 | |
| 5/21 03:00 | 99.8 | ↓-1.6 | |
| 5/21 03:10 | 98.1 | ↓-1.7 | |
| 5/21 03:20 | 96.1 | ↓-2.0 | |
| 5/21 03:30 | 93.9 | ↓-2.2 | |
| 5/21 03:40 | 91.6 | ↓-2.3 | |
| 5/21 03:50 | 89.1 | ↓-2.5 | |
| 5/21 04:00 | 86.5 | ↓-2.6 | |
| 5/21 04:10 | 83.7 | ↓-2.8 | |
| 5/21 04:20 | 80.7 | ↓-3.0 | |
| 5/21 04:30 | 77.6 | ↓-3.1 | |
| 5/21 04:40 | 74.5 | ↓-3.1 | |
| 5/21 04:50 | 71.2 | ↓-3.3 | |
| 5/21 05:00 | 67.9 | ↓-3.3 | |
| 5/21 05:10 | 64.5 | ↓-3.4 | |
| 5/21 05:20 | 61.1 | ↓-3.4 | |
| 5/21 05:30 | 57.6 | ↓-3.5 | 最大潮位差 |
| 5/21 05:40 | 54.1 | ↓-3.5 | 最大潮位差 |
| 5/21 05:50 | 50.7 | ↓-3.4 | |
| 5/21 06:00 | 47.3 | ↓-3.4 | |
| 5/21 06:10 | 43.9 | ↓-3.4 | |
| 5/21 06:20 | 40.6 | ↓-3.3 | |
| 5/21 06:30 | 37.3 | ↓-3.3 | |
| 5/21 06:40 | 34.2 | ↓-3.1 | |
| 5/21 06:50 | 31.1 | ↓-3.1 | |
| 5/21 07:00 | 28.2 | ↓-2.9 | |
| 5/21 07:10 | 25.4 | ↓-2.8 | |
| 5/21 07:20 | 22.8 | ↓-2.6 | |
| 5/21 07:30 | 20.3 | ↓-2.5 | |
| 5/21 07:40 | 18.0 | ↓-2.3 | |
| 5/21 07:50 | 15.9 | ↓-2.1 | |
| 5/21 08:00 | 14.0 | ↓-1.9 | |
| 5/21 08:10 | 12.3 | ↓-1.7 | |
| 5/21 08:20 | 10.8 | ↓-1.5 | |
| 5/21 08:30 | 9.5 | ↓-1.3 | |
| 5/21 08:40 | 8.4 | ↓-1.1 | |
| 5/21 08:50 | 7.5 | ↓-0.9 | |
| 5/21 09:00 | 6.9 | ↓-0.6 | |
| 5/21 09:10 | 6.4 | ↓-0.5 | |
| 5/21 09:20 | 6.2 | ↓-0.2 | 干潮 |
| 5/21 09:30 | 6.2 | 0 | |
| 5/21 09:40 | 6.4 | ↑0.2 | |
| 5/21 09:50 | 6.8 | ↑0.4 | |
| 5/21 10:00 | 7.3 | ↑0.5 | |
| 5/21 10:10 | 8.1 | ↑0.8 | |
| 5/21 10:20 | 9.1 | ↑1.0 | |
| 5/21 10:30 | 10.2 | ↑1.1 | |
| 5/21 10:40 | 11.4 | ↑1.2 | |
| 5/21 10:50 | 12.9 | ↑1.5 | |
| 5/21 11:00 | 14.4 | ↑1.5 | |
| 5/21 11:10 | 16.1 | ↑1.7 | |
| 5/21 11:20 | 17.9 | ↑1.8 | |
| 5/21 11:30 | 19.7 | ↑1.8 | |
| 5/21 11:40 | 21.7 | ↑2.0 | |
| 5/21 11:50 | 23.7 | ↑2.0 | |
| 5/21 12:00 | 25.8 | ↑2.1 | |
| 5/21 12:10 | 27.8 | ↑2.0 | |
| 5/21 12:20 | 30.0 | ↑2.2 | |
| 5/21 12:30 | 32.1 | ↑2.1 | |
| 5/21 12:40 | 34.2 | ↑2.1 | |
| 5/21 12:50 | 36.3 | ↑2.1 | |
| 5/21 13:00 | 38.3 | ↑2.0 | |
| 5/21 13:10 | 40.3 | ↑2.0 | |
| 5/21 13:20 | 42.2 | ↑1.9 | |
| 5/21 13:30 | 44.1 | ↑1.9 | |
| 5/21 13:40 | 45.9 | ↑1.8 | |
| 5/21 13:50 | 47.5 | ↑1.6 | |
| 5/21 14:00 | 49.1 | ↑1.6 | |
| 5/21 14:10 | 50.6 | ↑1.5 | |
| 5/21 14:20 | 52.0 | ↑1.4 | |
| 5/21 14:30 | 53.2 | ↑1.2 | |
| 5/21 14:40 | 54.3 | ↑1.1 | |
| 5/21 14:50 | 55.3 | ↑1.0 | |
| 5/21 15:00 | 56.1 | ↑0.8 | |
| 5/21 15:10 | 56.9 | ↑0.8 | |
| 5/21 15:20 | 57.4 | ↑0.5 | |
| 5/21 15:30 | 57.9 | ↑0.5 | |
| 5/21 15:40 | 58.3 | ↑0.4 | |
| 5/21 15:50 | 58.5 | ↑0.2 | |
| 5/21 16:00 | 58.6 | ↑0.1 | 満潮 |
| 5/21 16:10 | 58.6 | 0 | |
| 5/21 16:20 | 58.5 | ↓-0.1 | |
| 5/21 16:30 | 58.3 | ↓-0.2 | |
| 5/21 16:40 | 58.0 | ↓-0.3 | |
| 5/21 16:50 | 57.6 | ↓-0.4 | |
| 5/21 17:00 | 57.2 | ↓-0.4 | |
| 5/21 17:10 | 56.7 | ↓-0.5 | |
| 5/21 17:20 | 56.2 | ↓-0.5 | |
| 5/21 17:30 | 55.6 | ↓-0.6 | |
| 5/21 17:40 | 55.0 | ↓-0.6 | |
| 5/21 17:50 | 54.4 | ↓-0.6 | |
| 5/21 18:00 | 53.8 | ↓-0.6 | |
| 5/21 18:10 | 53.3 | ↓-0.5 | |
| 5/21 18:20 | 52.8 | ↓-0.5 | |
| 5/21 18:30 | 52.3 | ↓-0.5 | |
| 5/21 18:40 | 51.8 | ↓-0.5 | |
| 5/21 18:50 | 51.5 | ↓-0.3 | |
| 5/21 19:00 | 51.2 | ↓-0.3 | |
| 5/21 19:10 | 51.0 | ↓-0.2 | |
| 5/21 19:20 | 50.9 | ↓-0.1 | 干潮 |
| 5/21 19:30 | 50.9 | 0 | |
| 5/21 19:40 | 51.0 | ↑0.1 | |
| 5/21 19:50 | 51.2 | ↑0.2 | |
| 5/21 20:00 | 51.5 | ↑0.3 | |
| 5/21 20:10 | 52.0 | ↑0.5 | |
| 5/21 20:20 | 52.7 | ↑0.7 | |
| 5/21 20:30 | 53.4 | ↑0.7 | |
| 5/21 20:40 | 54.3 | ↑0.9 | |
| 5/21 20:50 | 55.3 | ↑1.0 | |
| 5/21 21:00 | 56.5 | ↑1.2 | |
| 5/21 21:10 | 57.8 | ↑1.3 | |
| 5/21 21:20 | 59.3 | ↑1.5 | |
| 5/21 21:30 | 60.8 | ↑1.5 | |
| 5/21 21:40 | 62.5 | ↑1.7 | |
| 5/21 21:50 | 64.3 | ↑1.8 | |
| 5/21 22:00 | 66.3 | ↑2.0 | |
| 5/21 22:10 | 68.3 | ↑2.0 | |
| 5/21 22:20 | 70.4 | ↑2.1 | |
| 5/21 22:30 | 72.5 | ↑2.1 | |
| 5/21 22:40 | 74.8 | ↑2.3 | |
| 5/21 22:50 | 77.1 | ↑2.3 | |
| 5/21 23:00 | 79.4 | ↑2.3 | |
| 5/21 23:10 | 81.8 | ↑2.4 | |
| 5/21 23:20 | 84.1 | ↑2.3 | |
| 5/21 23:30 | 86.5 | ↑2.4 | |
| 5/21 23:40 | 88.8 | ↑2.3 | |
| 5/21 23:50 | 91.2 | ↑2.4 |