| 満潮 | 干潮 | 満潮 | 干潮 |
|
21
(木) |
01:19 | 08:31 | 15:02 | 19:28 |
| 92cm | 16cm | 68cm | 51cm | |
|
||||
コイセボイ（北海道）2020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 | 86.1 | ↑1.3 | |
| 5/21 00:10 | 87.3 | ↑1.2 | |
| 5/21 00:20 | 88.4 | ↑1.1 | |
| 5/21 00:30 | 89.2 | ↑0.8 | |
| 5/21 00:40 | 90.0 | ↑0.8 | |
| 5/21 00:50 | 90.6 | ↑0.6 | |
| 5/21 01:00 | 91.0 | ↑0.4 | |
| 5/21 01:10 | 91.2 | ↑0.2 | 満潮 |
| 5/21 01:20 | 91.2 | 0 | |
| 5/21 01:30 | 91.1 | ↓-0.1 | |
| 5/21 01:40 | 90.8 | ↓-0.3 | |
| 5/21 01:50 | 90.3 | ↓-0.5 | |
| 5/21 02:00 | 89.6 | ↓-0.7 | |
| 5/21 02:10 | 88.7 | ↓-0.9 | |
| 5/21 02:20 | 87.6 | ↓-1.1 | |
| 5/21 02:30 | 86.4 | ↓-1.2 | |
| 5/21 02:40 | 85.0 | ↓-1.4 | |
| 5/21 02:50 | 83.4 | ↓-1.6 | |
| 5/21 03:00 | 81.7 | ↓-1.7 | |
| 5/21 03:10 | 79.8 | ↓-1.9 | |
| 5/21 03:20 | 77.7 | ↓-2.1 | |
| 5/21 03:30 | 75.6 | ↓-2.1 | |
| 5/21 03:40 | 73.3 | ↓-2.3 | |
| 5/21 03:50 | 70.9 | ↓-2.4 | |
| 5/21 04:00 | 68.4 | ↓-2.5 | |
| 5/21 04:10 | 65.8 | ↓-2.6 | |
| 5/21 04:20 | 63.1 | ↓-2.7 | |
| 5/21 04:30 | 60.4 | ↓-2.7 | |
| 5/21 04:40 | 57.7 | ↓-2.7 | |
| 5/21 04:50 | 54.9 | ↓-2.8 | 最大潮位差 |
| 5/21 05:00 | 52.1 | ↓-2.8 | 最大潮位差 |
| 5/21 05:10 | 49.3 | ↓-2.8 | 最大潮位差 |
| 5/21 05:20 | 46.6 | ↓-2.7 | |
| 5/21 05:30 | 43.9 | ↓-2.7 | |
| 5/21 05:40 | 41.2 | ↓-2.7 | |
| 5/21 05:50 | 38.6 | ↓-2.6 | |
| 5/21 06:00 | 36.1 | ↓-2.5 | |
| 5/21 06:10 | 33.7 | ↓-2.4 | |
| 5/21 06:20 | 31.4 | ↓-2.3 | |
| 5/21 06:30 | 29.2 | ↓-2.2 | |
| 5/21 06:40 | 27.1 | ↓-2.1 | |
| 5/21 06:50 | 25.2 | ↓-1.9 | |
| 5/21 07:00 | 23.5 | ↓-1.7 | |
| 5/21 07:10 | 21.9 | ↓-1.6 | |
| 5/21 07:20 | 20.4 | ↓-1.5 | |
| 5/21 07:30 | 19.2 | ↓-1.2 | |
| 5/21 07:40 | 18.1 | ↓-1.1 | |
| 5/21 07:50 | 17.3 | ↓-0.8 | |
| 5/21 08:00 | 16.6 | ↓-0.7 | |
| 5/21 08:10 | 16.1 | ↓-0.5 | |
| 5/21 08:20 | 15.8 | ↓-0.3 | |
| 5/21 08:30 | 15.7 | ↓-0.1 | 干潮 |
| 5/21 08:40 | 15.8 | ↑0.1 | |
| 5/21 08:50 | 16.1 | ↑0.3 | |
| 5/21 09:00 | 16.6 | ↑0.5 | |
| 5/21 09:10 | 17.2 | ↑0.6 | |
| 5/21 09:20 | 18.0 | ↑0.8 | |
| 5/21 09:30 | 19.0 | ↑1.0 | |
| 5/21 09:40 | 20.2 | ↑1.2 | |
| 5/21 09:50 | 21.5 | ↑1.3 | |
| 5/21 10:00 | 22.9 | ↑1.4 | |
| 5/21 10:10 | 24.5 | ↑1.6 | |
| 5/21 10:20 | 26.1 | ↑1.6 | |
| 5/21 10:30 | 27.9 | ↑1.8 | |
| 5/21 10:40 | 29.8 | ↑1.9 | |
| 5/21 10:50 | 31.7 | ↑1.9 | |
| 5/21 11:00 | 33.7 | ↑2.0 | |
| 5/21 11:10 | 35.7 | ↑2.0 | |
| 5/21 11:20 | 37.8 | ↑2.1 | |
| 5/21 11:30 | 39.9 | ↑2.1 | |
| 5/21 11:40 | 42.0 | ↑2.1 | |
| 5/21 11:50 | 44.1 | ↑2.1 | |
| 5/21 12:00 | 46.2 | ↑2.1 | |
| 5/21 12:10 | 48.2 | ↑2.0 | |
| 5/21 12:20 | 50.2 | ↑2.0 | |
| 5/21 12:30 | 52.1 | ↑1.9 | |
| 5/21 12:40 | 53.9 | ↑1.8 | |
| 5/21 12:50 | 55.7 | ↑1.8 | |
| 5/21 13:00 | 57.4 | ↑1.7 | |
| 5/21 13:10 | 58.9 | ↑1.5 | |
| 5/21 13:20 | 60.4 | ↑1.5 | |
| 5/21 13:30 | 61.7 | ↑1.3 | |
| 5/21 13:40 | 62.9 | ↑1.2 | |
| 5/21 13:50 | 63.9 | ↑1.0 | |
| 5/21 14:00 | 64.9 | ↑1.0 | |
| 5/21 14:10 | 65.6 | ↑0.7 | |
| 5/21 14:20 | 66.3 | ↑0.7 | |
| 5/21 14:30 | 66.8 | ↑0.5 | |
| 5/21 14:40 | 67.1 | ↑0.3 | |
| 5/21 14:50 | 67.4 | ↑0.3 | |
| 5/21 15:00 | 67.4 | 0 | 満潮 |
| 5/21 15:10 | 67.4 | 0 | |
| 5/21 15:20 | 67.2 | ↓-0.2 | |
| 5/21 15:30 | 66.9 | ↓-0.3 | |
| 5/21 15:40 | 66.5 | ↓-0.4 | |
| 5/21 15:50 | 66.0 | ↓-0.5 | |
| 5/21 16:00 | 65.4 | ↓-0.6 | |
| 5/21 16:10 | 64.7 | ↓-0.7 | |
| 5/21 16:20 | 63.9 | ↓-0.8 | |
| 5/21 16:30 | 63.0 | ↓-0.9 | |
| 5/21 16:40 | 62.1 | ↓-0.9 | |
| 5/21 16:50 | 61.2 | ↓-0.9 | |
| 5/21 17:00 | 60.2 | ↓-1.0 | |
| 5/21 17:10 | 59.2 | ↓-1.0 | |
| 5/21 17:20 | 58.2 | ↓-1.0 | |
| 5/21 17:30 | 57.2 | ↓-1.0 | |
| 5/21 17:40 | 56.2 | ↓-1.0 | |
| 5/21 17:50 | 55.2 | ↓-1.0 | |
| 5/21 18:00 | 54.3 | ↓-0.9 | |
| 5/21 18:10 | 53.5 | ↓-0.8 | |
| 5/21 18:20 | 52.7 | ↓-0.8 | |
| 5/21 18:30 | 52.0 | ↓-0.7 | |
| 5/21 18:40 | 51.4 | ↓-0.6 | |
| 5/21 18:50 | 50.9 | ↓-0.5 | |
| 5/21 19:00 | 50.5 | ↓-0.4 | |
| 5/21 19:10 | 50.3 | ↓-0.2 | |
| 5/21 19:20 | 50.1 | ↓-0.2 | 干潮 |
| 5/21 19:30 | 50.1 | 0 | |
| 5/21 19:40 | 50.2 | ↑0.1 | |
| 5/21 19:50 | 50.5 | ↑0.3 | |
| 5/21 20:00 | 50.8 | ↑0.3 | |
| 5/21 20:10 | 51.4 | ↑0.6 | |
| 5/21 20:20 | 52.1 | ↑0.7 | |
| 5/21 20:30 | 52.9 | ↑0.8 | |
| 5/21 20:40 | 53.8 | ↑0.9 | |
| 5/21 20:50 | 54.9 | ↑1.1 | |
| 5/21 21:00 | 56.2 | ↑1.3 | |
| 5/21 21:10 | 57.5 | ↑1.3 | |
| 5/21 21:20 | 59.0 | ↑1.5 | |
| 5/21 21:30 | 60.6 | ↑1.6 | |
| 5/21 21:40 | 62.3 | ↑1.7 | |
| 5/21 21:50 | 64.1 | ↑1.8 | |
| 5/21 22:00 | 65.9 | ↑1.8 | |
| 5/21 22:10 | 67.9 | ↑2.0 | |
| 5/21 22:20 | 69.8 | ↑1.9 | |
| 5/21 22:30 | 71.9 | ↑2.1 | |
| 5/21 22:40 | 74.0 | ↑2.1 | |
| 5/21 22:50 | 76.0 | ↑2.0 | |
| 5/21 23:00 | 78.1 | ↑2.1 | |
| 5/21 23:10 | 80.2 | ↑2.1 | |
| 5/21 23:20 | 82.2 | ↑2.0 | |
| 5/21 23:30 | 84.3 | ↑2.1 | |
| 5/21 23:40 | 86.2 | ↑1.9 | |
| 5/21 23:50 | 88.1 | ↑1.9 |