| 満潮 | 干潮 | 満潮 | 干潮 |
|
21
(金) |
01:49 | 09:49 | 16:53 | 19:01 |
| 113cm | 1cm | 55cm | 53cm | |
|
||||
コイセボイ（北海道）2027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 | 100.9 | ↑1.9 | |
| 5/21 00:10 | 102.7 | ↑1.8 | |
| 5/21 00:20 | 104.4 | ↑1.7 | |
| 5/21 00:30 | 105.9 | ↑1.5 | |
| 5/21 00:40 | 107.3 | ↑1.4 | |
| 5/21 00:50 | 108.5 | ↑1.2 | |
| 5/21 01:00 | 109.6 | ↑1.1 | |
| 5/21 01:10 | 110.5 | ↑0.9 | |
| 5/21 01:20 | 111.2 | ↑0.7 | |
| 5/21 01:30 | 111.7 | ↑0.5 | |
| 5/21 01:40 | 112.0 | ↑0.3 | 満潮 |
| 5/21 01:50 | 112.0 | 0 | |
| 5/21 02:00 | 111.9 | ↓-0.1 | |
| 5/21 02:10 | 111.5 | ↓-0.4 | |
| 5/21 02:20 | 110.9 | ↓-0.6 | |
| 5/21 02:30 | 110.1 | ↓-0.8 | |
| 5/21 02:40 | 109.1 | ↓-1.0 | |
| 5/21 02:50 | 107.8 | ↓-1.3 | |
| 5/21 03:00 | 106.3 | ↓-1.5 | |
| 5/21 03:10 | 104.6 | ↓-1.7 | |
| 5/21 03:20 | 102.7 | ↓-1.9 | |
| 5/21 03:30 | 100.6 | ↓-2.1 | |
| 5/21 03:40 | 98.2 | ↓-2.4 | |
| 5/21 03:50 | 95.7 | ↓-2.5 | |
| 5/21 04:00 | 93.0 | ↓-2.7 | |
| 5/21 04:10 | 90.1 | ↓-2.9 | |
| 5/21 04:20 | 87.1 | ↓-3.0 | |
| 5/21 04:30 | 84.0 | ↓-3.1 | |
| 5/21 04:40 | 80.7 | ↓-3.3 | |
| 5/21 04:50 | 77.2 | ↓-3.5 | |
| 5/21 05:00 | 73.7 | ↓-3.5 | |
| 5/21 05:10 | 70.1 | ↓-3.6 | |
| 5/21 05:20 | 66.5 | ↓-3.6 | |
| 5/21 05:30 | 62.8 | ↓-3.7 | |
| 5/21 05:40 | 59.1 | ↓-3.7 | |
| 5/21 05:50 | 55.3 | ↓-3.8 | 最大潮位差 |
| 5/21 06:00 | 51.6 | ↓-3.7 | |
| 5/21 06:10 | 47.9 | ↓-3.7 | |
| 5/21 06:20 | 44.2 | ↓-3.7 | |
| 5/21 06:30 | 40.6 | ↓-3.6 | |
| 5/21 06:40 | 37.0 | ↓-3.6 | |
| 5/21 06:50 | 33.6 | ↓-3.4 | |
| 5/21 07:00 | 30.2 | ↓-3.4 | |
| 5/21 07:10 | 27.0 | ↓-3.2 | |
| 5/21 07:20 | 23.9 | ↓-3.1 | |
| 5/21 07:30 | 20.9 | ↓-3.0 | |
| 5/21 07:40 | 18.2 | ↓-2.7 | |
| 5/21 07:50 | 15.6 | ↓-2.6 | |
| 5/21 08:00 | 13.1 | ↓-2.5 | |
| 5/21 08:10 | 10.9 | ↓-2.2 | |
| 5/21 08:20 | 8.9 | ↓-2.0 | |
| 5/21 08:30 | 7.1 | ↓-1.8 | |
| 5/21 08:40 | 5.5 | ↓-1.6 | |
| 5/21 08:50 | 4.1 | ↓-1.4 | |
| 5/21 09:00 | 2.9 | ↓-1.2 | |
| 5/21 09:10 | 2.0 | ↓-0.9 | |
| 5/21 09:20 | 1.3 | ↓-0.7 | |
| 5/21 09:30 | 0.8 | ↓-0.5 | |
| 5/21 09:40 | 0.5 | ↓-0.3 | 干潮 |
| 5/21 09:50 | 0.4 | ↓-0.1 | |
| 5/21 10:00 | 0.6 | ↑0.2 | |
| 5/21 10:10 | 0.9 | ↑0.3 | |
| 5/21 10:20 | 1.5 | ↑0.6 | |
| 5/21 10:30 | 2.2 | ↑0.7 | |
| 5/21 10:40 | 3.1 | ↑0.9 | |
| 5/21 10:50 | 4.2 | ↑1.1 | |
| 5/21 11:00 | 5.5 | ↑1.3 | |
| 5/21 11:10 | 6.9 | ↑1.4 | |
| 5/21 11:20 | 8.4 | ↑1.5 | |
| 5/21 11:30 | 10.1 | ↑1.7 | |
| 5/21 11:40 | 11.8 | ↑1.7 | |
| 5/21 11:50 | 13.7 | ↑1.9 | |
| 5/21 12:00 | 15.6 | ↑1.9 | |
| 5/21 12:10 | 17.6 | ↑2.0 | |
| 5/21 12:20 | 19.7 | ↑2.1 | |
| 5/21 12:30 | 21.8 | ↑2.1 | |
| 5/21 12:40 | 23.9 | ↑2.1 | |
| 5/21 12:50 | 26.0 | ↑2.1 | |
| 5/21 13:00 | 28.1 | ↑2.1 | |
| 5/21 13:10 | 30.2 | ↑2.1 | |
| 5/21 13:20 | 32.3 | ↑2.1 | |
| 5/21 13:30 | 34.3 | ↑2.0 | |
| 5/21 13:40 | 36.3 | ↑2.0 | |
| 5/21 13:50 | 38.1 | ↑1.8 | |
| 5/21 14:00 | 40.0 | ↑1.9 | |
| 5/21 14:10 | 41.7 | ↑1.7 | |
| 5/21 14:20 | 43.3 | ↑1.6 | |
| 5/21 14:30 | 44.9 | ↑1.6 | |
| 5/21 14:40 | 46.3 | ↑1.4 | |
| 5/21 14:50 | 47.6 | ↑1.3 | |
| 5/21 15:00 | 48.8 | ↑1.2 | |
| 5/21 15:10 | 49.9 | ↑1.1 | |
| 5/21 15:20 | 50.9 | ↑1.0 | |
| 5/21 15:30 | 51.8 | ↑0.9 | |
| 5/21 15:40 | 52.5 | ↑0.7 | |
| 5/21 15:50 | 53.1 | ↑0.6 | |
| 5/21 16:00 | 53.7 | ↑0.6 | |
| 5/21 16:10 | 54.1 | ↑0.4 | |
| 5/21 16:20 | 54.4 | ↑0.3 | |
| 5/21 16:30 | 54.6 | ↑0.2 | |
| 5/21 16:40 | 54.7 | ↑0.1 | |
| 5/21 16:50 | 54.8 | ↑0.1 | 満潮 |
| 5/21 17:00 | 54.7 | ↓-0.1 | |
| 5/21 17:10 | 54.7 | 0 | |
| 5/21 17:20 | 54.5 | ↓-0.2 | |
| 5/21 17:30 | 54.3 | ↓-0.2 | |
| 5/21 17:40 | 54.1 | ↓-0.2 | |
| 5/21 17:50 | 53.9 | ↓-0.2 | |
| 5/21 18:00 | 53.7 | ↓-0.2 | |
| 5/21 18:10 | 53.5 | ↓-0.2 | |
| 5/21 18:20 | 53.2 | ↓-0.3 | |
| 5/21 18:30 | 53.1 | ↓-0.1 | |
| 5/21 18:40 | 52.9 | ↓-0.2 | |
| 5/21 18:50 | 52.8 | ↓-0.1 | |
| 5/21 19:00 | 52.8 | 0 | 干潮 |
| 5/21 19:10 | 52.8 | 0 | |
| 5/21 19:20 | 52.9 | ↑0.1 | |
| 5/21 19:30 | 53.1 | ↑0.2 | |
| 5/21 19:40 | 53.4 | ↑0.3 | |
| 5/21 19:50 | 53.9 | ↑0.5 | |
| 5/21 20:00 | 54.4 | ↑0.5 | |
| 5/21 20:10 | 55.0 | ↑0.6 | |
| 5/21 20:20 | 55.8 | ↑0.8 | |
| 5/21 20:30 | 56.6 | ↑0.8 | |
| 5/21 20:40 | 57.6 | ↑1.0 | |
| 5/21 20:50 | 58.8 | ↑1.2 | |
| 5/21 21:00 | 60.0 | ↑1.2 | |
| 5/21 21:10 | 61.4 | ↑1.4 | |
| 5/21 21:20 | 62.9 | ↑1.5 | |
| 5/21 21:30 | 64.6 | ↑1.7 | |
| 5/21 21:40 | 66.3 | ↑1.7 | |
| 5/21 21:50 | 68.2 | ↑1.9 | |
| 5/21 22:00 | 70.1 | ↑1.9 | |
| 5/21 22:10 | 72.2 | ↑2.1 | |
| 5/21 22:20 | 74.3 | ↑2.1 | |
| 5/21 22:30 | 76.5 | ↑2.2 | |
| 5/21 22:40 | 78.8 | ↑2.3 | |
| 5/21 22:50 | 81.2 | ↑2.4 | |
| 5/21 23:00 | 83.5 | ↑2.3 | |
| 5/21 23:10 | 85.9 | ↑2.4 | |
| 5/21 23:20 | 88.4 | ↑2.5 | |
| 5/21 23:30 | 90.8 | ↑2.4 | |
| 5/21 23:40 | 93.2 | ↑2.4 | |
| 5/21 23:50 | 95.6 | ↑2.4 |