| 満潮 | 干潮 | 満潮 | 干潮 |
|
20
(火) |
01:33 | 08:16 | 14:50 | 20:02 |
| 81cm | 20cm | 76cm | 47cm | |
|
||||
コイセボイ（北海道）2027年04月20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 |
|---|---|---|---|
| 4/20 00:00 | 74.1 | ↑1.3 | |
| 4/20 00:10 | 75.4 | ↑1.3 | |
| 4/20 00:20 | 76.5 | ↑1.1 | |
| 4/20 00:30 | 77.6 | ↑1.1 | |
| 4/20 00:40 | 78.4 | ↑0.8 | |
| 4/20 00:50 | 79.2 | ↑0.8 | |
| 4/20 01:00 | 79.8 | ↑0.6 | |
| 4/20 01:10 | 80.2 | ↑0.4 | |
| 4/20 01:20 | 80.5 | ↑0.3 | |
| 4/20 01:30 | 80.7 | ↑0.2 | 満潮 |
| 4/20 01:40 | 80.6 | ↓-0.1 | |
| 4/20 01:50 | 80.4 | ↓-0.2 | |
| 4/20 02:00 | 80.0 | ↓-0.4 | |
| 4/20 02:10 | 79.4 | ↓-0.6 | |
| 4/20 02:20 | 78.7 | ↓-0.7 | |
| 4/20 02:30 | 77.8 | ↓-0.9 | |
| 4/20 02:40 | 76.7 | ↓-1.1 | |
| 4/20 02:50 | 75.4 | ↓-1.3 | |
| 4/20 03:00 | 74.1 | ↓-1.3 | |
| 4/20 03:10 | 72.5 | ↓-1.6 | |
| 4/20 03:20 | 70.8 | ↓-1.7 | |
| 4/20 03:30 | 69.0 | ↓-1.8 | |
| 4/20 03:40 | 67.1 | ↓-1.9 | |
| 4/20 03:50 | 65.1 | ↓-2.0 | |
| 4/20 04:00 | 63.0 | ↓-2.1 | |
| 4/20 04:10 | 60.7 | ↓-2.3 | |
| 4/20 04:20 | 58.5 | ↓-2.2 | |
| 4/20 04:30 | 56.1 | ↓-2.4 | 最大潮位差 |
| 4/20 04:40 | 53.7 | ↓-2.4 | 最大潮位差 |
| 4/20 04:50 | 51.3 | ↓-2.4 | 最大潮位差 |
| 4/20 05:00 | 48.9 | ↓-2.4 | 最大潮位差 |
| 4/20 05:10 | 46.5 | ↓-2.4 | 最大潮位差 |
| 4/20 05:20 | 44.1 | ↓-2.4 | 最大潮位差 |
| 4/20 05:30 | 41.7 | ↓-2.4 | 最大潮位差 |
| 4/20 05:40 | 39.4 | ↓-2.3 | |
| 4/20 05:50 | 37.2 | ↓-2.2 | |
| 4/20 06:00 | 35.0 | ↓-2.2 | |
| 4/20 06:10 | 32.9 | ↓-2.1 | |
| 4/20 06:20 | 31.0 | ↓-1.9 | |
| 4/20 06:30 | 29.1 | ↓-1.9 | |
| 4/20 06:40 | 27.4 | ↓-1.7 | |
| 4/20 06:50 | 25.8 | ↓-1.6 | |
| 4/20 07:00 | 24.3 | ↓-1.5 | |
| 4/20 07:10 | 23.1 | ↓-1.2 | |
| 4/20 07:20 | 22.0 | ↓-1.1 | |
| 4/20 07:30 | 21.0 | ↓-1.0 | |
| 4/20 07:40 | 20.3 | ↓-0.7 | |
| 4/20 07:50 | 19.7 | ↓-0.6 | |
| 4/20 08:00 | 19.3 | ↓-0.4 | |
| 4/20 08:10 | 19.1 | ↓-0.2 | 干潮 |
| 4/20 08:20 | 19.1 | 0 | |
| 4/20 08:30 | 19.3 | ↑0.2 | |
| 4/20 08:40 | 19.7 | ↑0.4 | |
| 4/20 08:50 | 20.3 | ↑0.6 | |
| 4/20 09:00 | 21.0 | ↑0.7 | |
| 4/20 09:10 | 21.9 | ↑0.9 | |
| 4/20 09:20 | 23.0 | ↑1.1 | |
| 4/20 09:30 | 24.3 | ↑1.3 | |
| 4/20 09:40 | 25.7 | ↑1.4 | |
| 4/20 09:50 | 27.2 | ↑1.5 | |
| 4/20 10:00 | 28.9 | ↑1.7 | |
| 4/20 10:10 | 30.7 | ↑1.8 | |
| 4/20 10:20 | 32.6 | ↑1.9 | |
| 4/20 10:30 | 34.6 | ↑2.0 | |
| 4/20 10:40 | 36.7 | ↑2.1 | |
| 4/20 10:50 | 38.9 | ↑2.2 | |
| 4/20 11:00 | 41.1 | ↑2.2 | |
| 4/20 11:10 | 43.3 | ↑2.2 | |
| 4/20 11:20 | 45.6 | ↑2.3 | |
| 4/20 11:30 | 47.9 | ↑2.3 | |
| 4/20 11:40 | 50.2 | ↑2.3 | |
| 4/20 11:50 | 52.4 | ↑2.2 | |
| 4/20 12:00 | 54.6 | ↑2.2 | |
| 4/20 12:10 | 56.8 | ↑2.2 | |
| 4/20 12:20 | 58.9 | ↑2.1 | |
| 4/20 12:30 | 60.9 | ↑2.0 | |
| 4/20 12:40 | 62.9 | ↑2.0 | |
| 4/20 12:50 | 64.7 | ↑1.8 | |
| 4/20 13:00 | 66.4 | ↑1.7 | |
| 4/20 13:10 | 68.0 | ↑1.6 | |
| 4/20 13:20 | 69.5 | ↑1.5 | |
| 4/20 13:30 | 70.8 | ↑1.3 | |
| 4/20 13:40 | 72.0 | ↑1.2 | |
| 4/20 13:50 | 73.0 | ↑1.0 | |
| 4/20 14:00 | 73.9 | ↑0.9 | |
| 4/20 14:10 | 74.6 | ↑0.7 | |
| 4/20 14:20 | 75.2 | ↑0.6 | |
| 4/20 14:30 | 75.5 | ↑0.3 | |
| 4/20 14:40 | 75.8 | ↑0.3 | 満潮 |
| 4/20 14:50 | 75.8 | 0 | 満潮 |
| 4/20 15:00 | 75.7 | ↓-0.1 | |
| 4/20 15:10 | 75.5 | ↓-0.2 | |
| 4/20 15:20 | 75.1 | ↓-0.4 | |
| 4/20 15:30 | 74.5 | ↓-0.6 | |
| 4/20 15:40 | 73.8 | ↓-0.7 | |
| 4/20 15:50 | 73.0 | ↓-0.8 | |
| 4/20 16:00 | 72.1 | ↓-0.9 | |
| 4/20 16:10 | 71.0 | ↓-1.1 | |
| 4/20 16:20 | 69.9 | ↓-1.1 | |
| 4/20 16:30 | 68.7 | ↓-1.2 | |
| 4/20 16:40 | 67.4 | ↓-1.3 | |
| 4/20 16:50 | 66.0 | ↓-1.4 | |
| 4/20 17:00 | 64.6 | ↓-1.4 | |
| 4/20 17:10 | 63.2 | ↓-1.4 | |
| 4/20 17:20 | 61.7 | ↓-1.5 | |
| 4/20 17:30 | 60.3 | ↓-1.4 | |
| 4/20 17:40 | 58.8 | ↓-1.5 | |
| 4/20 17:50 | 57.4 | ↓-1.4 | |
| 4/20 18:00 | 56.0 | ↓-1.4 | |
| 4/20 18:10 | 54.7 | ↓-1.3 | |
| 4/20 18:20 | 53.4 | ↓-1.3 | |
| 4/20 18:30 | 52.2 | ↓-1.2 | |
| 4/20 18:40 | 51.1 | ↓-1.1 | |
| 4/20 18:50 | 50.0 | ↓-1.1 | |
| 4/20 19:00 | 49.1 | ↓-0.9 | |
| 4/20 19:10 | 48.3 | ↓-0.8 | |
| 4/20 19:20 | 47.7 | ↓-0.6 | |
| 4/20 19:30 | 47.2 | ↓-0.5 | |
| 4/20 19:40 | 46.8 | ↓-0.4 | |
| 4/20 19:50 | 46.5 | ↓-0.3 | |
| 4/20 20:00 | 46.4 | ↓-0.1 | 干潮 |
| 4/20 20:10 | 46.5 | ↑0.1 | |
| 4/20 20:20 | 46.7 | ↑0.2 | |
| 4/20 20:30 | 47.1 | ↑0.4 | |
| 4/20 20:40 | 47.6 | ↑0.5 | |
| 4/20 20:50 | 48.3 | ↑0.7 | |
| 4/20 21:00 | 49.2 | ↑0.9 | |
| 4/20 21:10 | 50.1 | ↑0.9 | |
| 4/20 21:20 | 51.2 | ↑1.1 | |
| 4/20 21:30 | 52.5 | ↑1.3 | |
| 4/20 21:40 | 53.8 | ↑1.3 | |
| 4/20 21:50 | 55.3 | ↑1.5 | |
| 4/20 22:00 | 56.9 | ↑1.6 | |
| 4/20 22:10 | 58.6 | ↑1.7 | |
| 4/20 22:20 | 60.3 | ↑1.7 | |
| 4/20 22:30 | 62.2 | ↑1.9 | |
| 4/20 22:40 | 64.1 | ↑1.9 | |
| 4/20 22:50 | 66.0 | ↑1.9 | |
| 4/20 23:00 | 67.9 | ↑1.9 | |
| 4/20 23:10 | 69.9 | ↑2.0 | |
| 4/20 23:20 | 71.8 | ↑1.9 | |
| 4/20 23:30 | 73.7 | ↑1.9 | |
| 4/20 23:40 | 75.6 | ↑1.9 | |
| 4/20 23:50 | 77.5 | ↑1.9 |