| 満潮 | 干潮 | 満潮 | 干潮 |
|
12
(水) |
02:11 | 09:35 | 16:11 | 20:12 |
| 100cm | 6cm | 65cm | 51cm | |
|
||||
コイセボイ（北海道）2021年05月12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 |
|---|---|---|---|
| 5/12 00:00 | 84.5 | ↑2.1 | |
| 5/12 00:10 | 86.5 | ↑2.0 | |
| 5/12 00:20 | 88.4 | ↑1.9 | |
| 5/12 00:30 | 90.2 | ↑1.8 | |
| 5/12 00:40 | 91.8 | ↑1.6 | |
| 5/12 00:50 | 93.4 | ↑1.6 | |
| 5/12 01:00 | 94.8 | ↑1.4 | |
| 5/12 01:10 | 96.1 | ↑1.3 | |
| 5/12 01:20 | 97.1 | ↑1.0 | |
| 5/12 01:30 | 98.1 | ↑1.0 | |
| 5/12 01:40 | 98.8 | ↑0.7 | |
| 5/12 01:50 | 99.3 | ↑0.5 | |
| 5/12 02:00 | 99.6 | ↑0.3 | |
| 5/12 02:10 | 99.7 | ↑0.1 | 満潮 |
| 5/12 02:20 | 99.6 | ↓-0.1 | |
| 5/12 02:30 | 99.3 | ↓-0.3 | |
| 5/12 02:40 | 98.8 | ↓-0.5 | |
| 5/12 02:50 | 98.0 | ↓-0.8 | |
| 5/12 03:00 | 97.0 | ↓-1.0 | |
| 5/12 03:10 | 95.8 | ↓-1.2 | |
| 5/12 03:20 | 94.4 | ↓-1.4 | |
| 5/12 03:30 | 92.8 | ↓-1.6 | |
| 5/12 03:40 | 91.0 | ↓-1.8 | |
| 5/12 03:50 | 89.0 | ↓-2.0 | |
| 5/12 04:00 | 86.7 | ↓-2.3 | |
| 5/12 04:10 | 84.3 | ↓-2.4 | |
| 5/12 04:20 | 81.8 | ↓-2.5 | |
| 5/12 04:30 | 79.1 | ↓-2.7 | |
| 5/12 04:40 | 76.2 | ↓-2.9 | |
| 5/12 04:50 | 73.3 | ↓-2.9 | |
| 5/12 05:00 | 70.2 | ↓-3.1 | |
| 5/12 05:10 | 67.0 | ↓-3.2 | |
| 5/12 05:20 | 63.7 | ↓-3.3 | |
| 5/12 05:30 | 60.4 | ↓-3.3 | |
| 5/12 05:40 | 57.1 | ↓-3.3 | |
| 5/12 05:50 | 53.7 | ↓-3.4 | 最大潮位差 |
| 5/12 06:00 | 50.3 | ↓-3.4 | 最大潮位差 |
| 5/12 06:10 | 46.9 | ↓-3.4 | 最大潮位差 |
| 5/12 06:20 | 43.6 | ↓-3.3 | |
| 5/12 06:30 | 40.3 | ↓-3.3 | |
| 5/12 06:40 | 37.0 | ↓-3.3 | |
| 5/12 06:50 | 33.9 | ↓-3.1 | |
| 5/12 07:00 | 30.8 | ↓-3.1 | |
| 5/12 07:10 | 27.9 | ↓-2.9 | |
| 5/12 07:20 | 25.1 | ↓-2.8 | |
| 5/12 07:30 | 22.4 | ↓-2.7 | |
| 5/12 07:40 | 19.9 | ↓-2.5 | |
| 5/12 07:50 | 17.6 | ↓-2.3 | |
| 5/12 08:00 | 15.5 | ↓-2.1 | |
| 5/12 08:10 | 13.5 | ↓-2.0 | |
| 5/12 08:20 | 11.8 | ↓-1.7 | |
| 5/12 08:30 | 10.2 | ↓-1.6 | |
| 5/12 08:40 | 8.9 | ↓-1.3 | |
| 5/12 08:50 | 7.8 | ↓-1.1 | |
| 5/12 09:00 | 6.9 | ↓-0.9 | |
| 5/12 09:10 | 6.3 | ↓-0.6 | |
| 5/12 09:20 | 5.9 | ↓-0.4 | |
| 5/12 09:30 | 5.7 | ↓-0.2 | 干潮 |
| 5/12 09:40 | 5.7 | 0 | |
| 5/12 09:50 | 6.0 | ↑0.3 | |
| 5/12 10:00 | 6.4 | ↑0.4 | |
| 5/12 10:10 | 7.1 | ↑0.7 | |
| 5/12 10:20 | 8.0 | ↑0.9 | |
| 5/12 10:30 | 9.1 | ↑1.1 | |
| 5/12 10:40 | 10.3 | ↑1.2 | |
| 5/12 10:50 | 11.8 | ↑1.5 | |
| 5/12 11:00 | 13.4 | ↑1.6 | |
| 5/12 11:10 | 15.1 | ↑1.7 | |
| 5/12 11:20 | 17.0 | ↑1.9 | |
| 5/12 11:30 | 19.0 | ↑2.0 | |
| 5/12 11:40 | 21.0 | ↑2.0 | |
| 5/12 11:50 | 23.2 | ↑2.2 | |
| 5/12 12:00 | 25.5 | ↑2.3 | |
| 5/12 12:10 | 27.8 | ↑2.3 | |
| 5/12 12:20 | 30.1 | ↑2.3 | |
| 5/12 12:30 | 32.5 | ↑2.4 | |
| 5/12 12:40 | 34.9 | ↑2.4 | |
| 5/12 12:50 | 37.3 | ↑2.4 | |
| 5/12 13:00 | 39.6 | ↑2.3 | |
| 5/12 13:10 | 41.9 | ↑2.3 | |
| 5/12 13:20 | 44.2 | ↑2.3 | |
| 5/12 13:30 | 46.4 | ↑2.2 | |
| 5/12 13:40 | 48.5 | ↑2.1 | |
| 5/12 13:50 | 50.5 | ↑2.0 | |
| 5/12 14:00 | 52.5 | ↑2.0 | |
| 5/12 14:10 | 54.3 | ↑1.8 | |
| 5/12 14:20 | 55.9 | ↑1.6 | |
| 5/12 14:30 | 57.5 | ↑1.6 | |
| 5/12 14:40 | 58.9 | ↑1.4 | |
| 5/12 14:50 | 60.2 | ↑1.3 | |
| 5/12 15:00 | 61.3 | ↑1.1 | |
| 5/12 15:10 | 62.3 | ↑1.0 | |
| 5/12 15:20 | 63.1 | ↑0.8 | |
| 5/12 15:30 | 63.7 | ↑0.6 | |
| 5/12 15:40 | 64.2 | ↑0.5 | |
| 5/12 15:50 | 64.6 | ↑0.4 | |
| 5/12 16:00 | 64.8 | ↑0.2 | |
| 5/12 16:10 | 64.9 | ↑0.1 | 満潮 |
| 5/12 16:20 | 64.8 | ↓-0.1 | |
| 5/12 16:30 | 64.6 | ↓-0.2 | |
| 5/12 16:40 | 64.3 | ↓-0.3 | |
| 5/12 16:50 | 63.9 | ↓-0.4 | |
| 5/12 17:00 | 63.3 | ↓-0.6 | |
| 5/12 17:10 | 62.7 | ↓-0.6 | |
| 5/12 17:20 | 62.0 | ↓-0.7 | |
| 5/12 17:30 | 61.2 | ↓-0.8 | |
| 5/12 17:40 | 60.4 | ↓-0.8 | |
| 5/12 17:50 | 59.5 | ↓-0.9 | |
| 5/12 18:00 | 58.6 | ↓-0.9 | |
| 5/12 18:10 | 57.7 | ↓-0.9 | |
| 5/12 18:20 | 56.7 | ↓-1.0 | |
| 5/12 18:30 | 55.8 | ↓-0.9 | |
| 5/12 18:40 | 55.0 | ↓-0.8 | |
| 5/12 18:50 | 54.1 | ↓-0.9 | |
| 5/12 19:00 | 53.3 | ↓-0.8 | |
| 5/12 19:10 | 52.6 | ↓-0.7 | |
| 5/12 19:20 | 52.0 | ↓-0.6 | |
| 5/12 19:30 | 51.4 | ↓-0.6 | |
| 5/12 19:40 | 51.0 | ↓-0.4 | |
| 5/12 19:50 | 50.6 | ↓-0.4 | |
| 5/12 20:00 | 50.4 | ↓-0.2 | |
| 5/12 20:10 | 50.3 | ↓-0.1 | 干潮 |
| 5/12 20:20 | 50.4 | ↑0.1 | |
| 5/12 20:30 | 50.6 | ↑0.2 | |
| 5/12 20:40 | 50.9 | ↑0.3 | |
| 5/12 20:50 | 51.4 | ↑0.5 | |
| 5/12 21:00 | 52.0 | ↑0.6 | |
| 5/12 21:10 | 52.8 | ↑0.8 | |
| 5/12 21:20 | 53.8 | ↑1.0 | |
| 5/12 21:30 | 54.9 | ↑1.1 | |
| 5/12 21:40 | 56.1 | ↑1.2 | |
| 5/12 21:50 | 57.5 | ↑1.4 | |
| 5/12 22:00 | 59.0 | ↑1.5 | |
| 5/12 22:10 | 60.7 | ↑1.7 | |
| 5/12 22:20 | 62.4 | ↑1.7 | |
| 5/12 22:30 | 64.3 | ↑1.9 | |
| 5/12 22:40 | 66.3 | ↑2.0 | |
| 5/12 22:50 | 68.4 | ↑2.1 | |
| 5/12 23:00 | 70.5 | ↑2.1 | |
| 5/12 23:10 | 72.8 | ↑2.3 | |
| 5/12 23:20 | 75.0 | ↑2.2 | |
| 5/12 23:30 | 77.4 | ↑2.4 | |
| 5/12 23:40 | 79.7 | ↑2.3 | |
| 5/12 23:50 | 82.0 | ↑2.3 |