| 満潮 | 干潮 | 満潮 | 干潮 |
|
21
(月) |
03:19 | 11:11 | 17:55 | 20:37 |
| 115cm | 3cm | 55cm | 51cm | |
|
||||
コイセボイ（北海道）2057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 | 81.2 | ↑2.4 | |
| 5/21 00:10 | 83.7 | ↑2.5 | |
| 5/21 00:20 | 86.1 | ↑2.4 | |
| 5/21 00:30 | 88.6 | ↑2.5 | |
| 5/21 00:40 | 91.0 | ↑2.4 | |
| 5/21 00:50 | 93.4 | ↑2.4 | |
| 5/21 01:00 | 95.7 | ↑2.3 | |
| 5/21 01:10 | 98.0 | ↑2.3 | |
| 5/21 01:20 | 100.2 | ↑2.2 | |
| 5/21 01:30 | 102.2 | ↑2.0 | |
| 5/21 01:40 | 104.2 | ↑2.0 | |
| 5/21 01:50 | 106.0 | ↑1.8 | |
| 5/21 02:00 | 107.6 | ↑1.6 | |
| 5/21 02:10 | 109.1 | ↑1.5 | |
| 5/21 02:20 | 110.5 | ↑1.4 | |
| 5/21 02:30 | 111.6 | ↑1.1 | |
| 5/21 02:40 | 112.5 | ↑0.9 | |
| 5/21 02:50 | 113.3 | ↑0.8 | |
| 5/21 03:00 | 113.8 | ↑0.5 | |
| 5/21 03:10 | 114.1 | ↑0.3 | 満潮 |
| 5/21 03:20 | 114.1 | 0 | |
| 5/21 03:30 | 113.9 | ↓-0.2 | |
| 5/21 03:40 | 113.5 | ↓-0.4 | |
| 5/21 03:50 | 112.9 | ↓-0.6 | |
| 5/21 04:00 | 112.0 | ↓-0.9 | |
| 5/21 04:10 | 110.9 | ↓-1.1 | |
| 5/21 04:20 | 109.5 | ↓-1.4 | |
| 5/21 04:30 | 107.9 | ↓-1.6 | |
| 5/21 04:40 | 106.1 | ↓-1.8 | |
| 5/21 04:50 | 104.0 | ↓-2.1 | |
| 5/21 05:00 | 101.8 | ↓-2.2 | |
| 5/21 05:10 | 99.3 | ↓-2.5 | |
| 5/21 05:20 | 96.7 | ↓-2.6 | |
| 5/21 05:30 | 93.8 | ↓-2.9 | |
| 5/21 05:40 | 90.8 | ↓-3.0 | |
| 5/21 05:50 | 87.7 | ↓-3.1 | |
| 5/21 06:00 | 84.4 | ↓-3.3 | |
| 5/21 06:10 | 81.0 | ↓-3.4 | |
| 5/21 06:20 | 77.4 | ↓-3.6 | |
| 5/21 06:30 | 73.8 | ↓-3.6 | |
| 5/21 06:40 | 70.1 | ↓-3.7 | |
| 5/21 06:50 | 66.3 | ↓-3.8 | |
| 5/21 07:00 | 62.6 | ↓-3.7 | |
| 5/21 07:10 | 58.7 | ↓-3.9 | 最大潮位差 |
| 5/21 07:20 | 54.9 | ↓-3.8 | |
| 5/21 07:30 | 51.1 | ↓-3.8 | |
| 5/21 07:40 | 47.4 | ↓-3.7 | |
| 5/21 07:50 | 43.7 | ↓-3.7 | |
| 5/21 08:00 | 40.0 | ↓-3.7 | |
| 5/21 08:10 | 36.5 | ↓-3.5 | |
| 5/21 08:20 | 33.1 | ↓-3.4 | |
| 5/21 08:30 | 29.8 | ↓-3.3 | |
| 5/21 08:40 | 26.6 | ↓-3.2 | |
| 5/21 08:50 | 23.5 | ↓-3.1 | |
| 5/21 09:00 | 20.7 | ↓-2.8 | |
| 5/21 09:10 | 18.0 | ↓-2.7 | |
| 5/21 09:20 | 15.5 | ↓-2.5 | |
| 5/21 09:30 | 13.2 | ↓-2.3 | |
| 5/21 09:40 | 11.1 | ↓-2.1 | |
| 5/21 09:50 | 9.2 | ↓-1.9 | |
| 5/21 10:00 | 7.5 | ↓-1.7 | |
| 5/21 10:10 | 6.1 | ↓-1.4 | |
| 5/21 10:20 | 4.8 | ↓-1.3 | |
| 5/21 10:30 | 3.9 | ↓-0.9 | |
| 5/21 10:40 | 3.1 | ↓-0.8 | |
| 5/21 10:50 | 2.5 | ↓-0.6 | |
| 5/21 11:00 | 2.2 | ↓-0.3 | |
| 5/21 11:10 | 2.1 | ↓-0.1 | 干潮 |
| 5/21 11:20 | 2.2 | ↑0.1 | |
| 5/21 11:30 | 2.6 | ↑0.4 | |
| 5/21 11:40 | 3.1 | ↑0.5 | |
| 5/21 11:50 | 3.8 | ↑0.7 | |
| 5/21 12:00 | 4.7 | ↑0.9 | |
| 5/21 12:10 | 5.8 | ↑1.1 | |
| 5/21 12:20 | 7.0 | ↑1.2 | |
| 5/21 12:30 | 8.4 | ↑1.4 | |
| 5/21 12:40 | 9.9 | ↑1.5 | |
| 5/21 12:50 | 11.6 | ↑1.7 | |
| 5/21 13:00 | 13.3 | ↑1.7 | |
| 5/21 13:10 | 15.2 | ↑1.9 | |
| 5/21 13:20 | 17.1 | ↑1.9 | |
| 5/21 13:30 | 19.1 | ↑2.0 | |
| 5/21 13:40 | 21.1 | ↑2.0 | |
| 5/21 13:50 | 23.2 | ↑2.1 | |
| 5/21 14:00 | 25.3 | ↑2.1 | |
| 5/21 14:10 | 27.3 | ↑2.0 | |
| 5/21 14:20 | 29.4 | ↑2.1 | |
| 5/21 14:30 | 31.5 | ↑2.1 | |
| 5/21 14:40 | 33.5 | ↑2.0 | |
| 5/21 14:50 | 35.5 | ↑2.0 | |
| 5/21 15:00 | 37.4 | ↑1.9 | |
| 5/21 15:10 | 39.2 | ↑1.8 | |
| 5/21 15:20 | 41.0 | ↑1.8 | |
| 5/21 15:30 | 42.6 | ↑1.6 | |
| 5/21 15:40 | 44.2 | ↑1.6 | |
| 5/21 15:50 | 45.7 | ↑1.5 | |
| 5/21 16:00 | 47.0 | ↑1.3 | |
| 5/21 16:10 | 48.3 | ↑1.3 | |
| 5/21 16:20 | 49.4 | ↑1.1 | |
| 5/21 16:30 | 50.4 | ↑1.0 | |
| 5/21 16:40 | 51.3 | ↑0.9 | |
| 5/21 16:50 | 52.0 | ↑0.7 | |
| 5/21 17:00 | 52.6 | ↑0.6 | |
| 5/21 17:10 | 53.1 | ↑0.5 | |
| 5/21 17:20 | 53.5 | ↑0.4 | |
| 5/21 17:30 | 53.8 | ↑0.3 | |
| 5/21 17:40 | 54.0 | ↑0.2 | |
| 5/21 17:50 | 54.1 | ↑0.1 | 満潮 |
| 5/21 18:00 | 54.1 | 0 | |
| 5/21 18:10 | 54.0 | ↓-0.1 | |
| 5/21 18:20 | 53.8 | ↓-0.2 | |
| 5/21 18:30 | 53.6 | ↓-0.2 | |
| 5/21 18:40 | 53.3 | ↓-0.3 | |
| 5/21 18:50 | 53.0 | ↓-0.3 | |
| 5/21 19:00 | 52.7 | ↓-0.3 | |
| 5/21 19:10 | 52.3 | ↓-0.4 | |
| 5/21 19:20 | 51.9 | ↓-0.4 | |
| 5/21 19:30 | 51.5 | ↓-0.4 | |
| 5/21 19:40 | 51.2 | ↓-0.3 | |
| 5/21 19:50 | 50.9 | ↓-0.3 | |
| 5/21 20:00 | 50.6 | ↓-0.3 | |
| 5/21 20:10 | 50.3 | ↓-0.3 | |
| 5/21 20:20 | 50.2 | ↓-0.1 | |
| 5/21 20:30 | 50.1 | ↓-0.1 | 干潮 |
| 5/21 20:40 | 50.1 | 0 | |
| 5/21 20:50 | 50.2 | ↑0.1 | |
| 5/21 21:00 | 50.3 | ↑0.1 | |
| 5/21 21:10 | 50.6 | ↑0.3 | |
| 5/21 21:20 | 51.0 | ↑0.4 | |
| 5/21 21:30 | 51.6 | ↑0.6 | |
| 5/21 21:40 | 52.2 | ↑0.6 | |
| 5/21 21:50 | 53.0 | ↑0.8 | |
| 5/21 22:00 | 53.9 | ↑0.9 | |
| 5/21 22:10 | 55.0 | ↑1.1 | |
| 5/21 22:20 | 56.2 | ↑1.2 | |
| 5/21 22:30 | 57.5 | ↑1.3 | |
| 5/21 22:40 | 58.9 | ↑1.4 | |
| 5/21 22:50 | 60.5 | ↑1.6 | |
| 5/21 23:00 | 62.2 | ↑1.7 | |
| 5/21 23:10 | 64.0 | ↑1.8 | |
| 5/21 23:20 | 65.9 | ↑1.9 | |
| 5/21 23:30 | 68.0 | ↑2.1 | |
| 5/21 23:40 | 70.1 | ↑2.1 | |
| 5/21 23:50 | 72.3 | ↑2.2 |