| 満潮 | 干潮 | 満潮 | 干潮 |
|
21
(木) |
01:31 | 08:48 | 15:15 | 19:37 |
| 96cm | 15cm | 66cm | 49cm | |
|
||||
コイセボイ（北海道）2054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 | 88.1 | ↑1.5 | |
| 5/21 00:10 | 89.5 | ↑1.4 | |
| 5/21 00:20 | 90.8 | ↑1.3 | |
| 5/21 00:30 | 91.9 | ↑1.1 | |
| 5/21 00:40 | 92.9 | ↑1.0 | |
| 5/21 00:50 | 93.8 | ↑0.9 | |
| 5/21 01:00 | 94.4 | ↑0.6 | |
| 5/21 01:10 | 94.9 | ↑0.5 | |
| 5/21 01:20 | 95.2 | ↑0.3 | |
| 5/21 01:30 | 95.3 | ↑0.1 | 満潮 |
| 5/21 01:40 | 95.2 | ↓-0.1 | |
| 5/21 01:50 | 94.9 | ↓-0.3 | |
| 5/21 02:00 | 94.4 | ↓-0.5 | |
| 5/21 02:10 | 93.7 | ↓-0.7 | |
| 5/21 02:20 | 92.8 | ↓-0.9 | |
| 5/21 02:30 | 91.7 | ↓-1.1 | |
| 5/21 02:40 | 90.5 | ↓-1.2 | |
| 5/21 02:50 | 89.0 | ↓-1.5 | |
| 5/21 03:00 | 87.4 | ↓-1.6 | |
| 5/21 03:10 | 85.6 | ↓-1.8 | |
| 5/21 03:20 | 83.6 | ↓-2.0 | |
| 5/21 03:30 | 81.5 | ↓-2.1 | |
| 5/21 03:40 | 79.2 | ↓-2.3 | |
| 5/21 03:50 | 76.8 | ↓-2.4 | |
| 5/21 04:00 | 74.3 | ↓-2.5 | |
| 5/21 04:10 | 71.7 | ↓-2.6 | |
| 5/21 04:20 | 69.0 | ↓-2.7 | |
| 5/21 04:30 | 66.2 | ↓-2.8 | |
| 5/21 04:40 | 63.3 | ↓-2.9 | |
| 5/21 04:50 | 60.4 | ↓-2.9 | |
| 5/21 05:00 | 57.5 | ↓-2.9 | |
| 5/21 05:10 | 54.5 | ↓-3.0 | 最大潮位差 |
| 5/21 05:20 | 51.6 | ↓-2.9 | |
| 5/21 05:30 | 48.7 | ↓-2.9 | |
| 5/21 05:40 | 45.8 | ↓-2.9 | |
| 5/21 05:50 | 42.9 | ↓-2.9 | |
| 5/21 06:00 | 40.1 | ↓-2.8 | |
| 5/21 06:10 | 37.4 | ↓-2.7 | |
| 5/21 06:20 | 34.8 | ↓-2.6 | |
| 5/21 06:30 | 32.3 | ↓-2.5 | |
| 5/21 06:40 | 29.9 | ↓-2.4 | |
| 5/21 06:50 | 27.6 | ↓-2.3 | |
| 5/21 07:00 | 25.5 | ↓-2.1 | |
| 5/21 07:10 | 23.6 | ↓-1.9 | |
| 5/21 07:20 | 21.8 | ↓-1.8 | |
| 5/21 07:30 | 20.2 | ↓-1.6 | |
| 5/21 07:40 | 18.8 | ↓-1.4 | |
| 5/21 07:50 | 17.5 | ↓-1.3 | |
| 5/21 08:00 | 16.5 | ↓-1.0 | |
| 5/21 08:10 | 15.6 | ↓-0.9 | |
| 5/21 08:20 | 15.0 | ↓-0.6 | |
| 5/21 08:30 | 14.5 | ↓-0.5 | |
| 5/21 08:40 | 14.3 | ↓-0.2 | 干潮 |
| 5/21 08:50 | 14.2 | ↓-0.1 | |
| 5/21 09:00 | 14.4 | ↑0.2 | |
| 5/21 09:10 | 14.7 | ↑0.3 | |
| 5/21 09:20 | 15.3 | ↑0.6 | |
| 5/21 09:30 | 16.0 | ↑0.7 | |
| 5/21 09:40 | 16.9 | ↑0.9 | |
| 5/21 09:50 | 17.9 | ↑1.0 | |
| 5/21 10:00 | 19.1 | ↑1.2 | |
| 5/21 10:10 | 20.5 | ↑1.4 | |
| 5/21 10:20 | 22.0 | ↑1.5 | |
| 5/21 10:30 | 23.6 | ↑1.6 | |
| 5/21 10:40 | 25.3 | ↑1.7 | |
| 5/21 10:50 | 27.2 | ↑1.9 | |
| 5/21 11:00 | 29.1 | ↑1.9 | |
| 5/21 11:10 | 31.0 | ↑1.9 | |
| 5/21 11:20 | 33.1 | ↑2.1 | |
| 5/21 11:30 | 35.2 | ↑2.1 | |
| 5/21 11:40 | 37.3 | ↑2.1 | |
| 5/21 11:50 | 39.4 | ↑2.1 | |
| 5/21 12:00 | 41.5 | ↑2.1 | |
| 5/21 12:10 | 43.6 | ↑2.1 | |
| 5/21 12:20 | 45.6 | ↑2.0 | |
| 5/21 12:30 | 47.6 | ↑2.0 | |
| 5/21 12:40 | 49.6 | ↑2.0 | |
| 5/21 12:50 | 51.5 | ↑1.9 | |
| 5/21 13:00 | 53.3 | ↑1.8 | |
| 5/21 13:10 | 55.0 | ↑1.7 | |
| 5/21 13:20 | 56.6 | ↑1.6 | |
| 5/21 13:30 | 58.1 | ↑1.5 | |
| 5/21 13:40 | 59.4 | ↑1.3 | |
| 5/21 13:50 | 60.7 | ↑1.3 | |
| 5/21 14:00 | 61.8 | ↑1.1 | |
| 5/21 14:10 | 62.8 | ↑1.0 | |
| 5/21 14:20 | 63.6 | ↑0.8 | |
| 5/21 14:30 | 64.3 | ↑0.7 | |
| 5/21 14:40 | 64.8 | ↑0.5 | |
| 5/21 14:50 | 65.3 | ↑0.5 | |
| 5/21 15:00 | 65.5 | ↑0.2 | |
| 5/21 15:10 | 65.6 | ↑0.1 | 満潮 |
| 5/21 15:20 | 65.6 | 0 | |
| 5/21 15:30 | 65.5 | ↓-0.1 | |
| 5/21 15:40 | 65.2 | ↓-0.3 | |
| 5/21 15:50 | 64.8 | ↓-0.4 | |
| 5/21 16:00 | 64.4 | ↓-0.4 | |
| 5/21 16:10 | 63.8 | ↓-0.6 | |
| 5/21 16:20 | 63.1 | ↓-0.7 | |
| 5/21 16:30 | 62.3 | ↓-0.8 | |
| 5/21 16:40 | 61.5 | ↓-0.8 | |
| 5/21 16:50 | 60.6 | ↓-0.9 | |
| 5/21 17:00 | 59.6 | ↓-1.0 | |
| 5/21 17:10 | 58.7 | ↓-0.9 | |
| 5/21 17:20 | 57.7 | ↓-1.0 | |
| 5/21 17:30 | 56.7 | ↓-1.0 | |
| 5/21 17:40 | 55.7 | ↓-1.0 | |
| 5/21 17:50 | 54.7 | ↓-1.0 | |
| 5/21 18:00 | 53.8 | ↓-0.9 | |
| 5/21 18:10 | 52.9 | ↓-0.9 | |
| 5/21 18:20 | 52.0 | ↓-0.9 | |
| 5/21 18:30 | 51.3 | ↓-0.7 | |
| 5/21 18:40 | 50.6 | ↓-0.7 | |
| 5/21 18:50 | 50.0 | ↓-0.6 | |
| 5/21 19:00 | 49.5 | ↓-0.5 | |
| 5/21 19:10 | 49.1 | ↓-0.4 | |
| 5/21 19:20 | 48.8 | ↓-0.3 | |
| 5/21 19:30 | 48.7 | ↓-0.1 | 干潮 |
| 5/21 19:40 | 48.7 | 0 | |
| 5/21 19:50 | 48.8 | ↑0.1 | |
| 5/21 20:00 | 49.1 | ↑0.3 | |
| 5/21 20:10 | 49.5 | ↑0.4 | |
| 5/21 20:20 | 50.0 | ↑0.5 | |
| 5/21 20:30 | 50.8 | ↑0.8 | |
| 5/21 20:40 | 51.6 | ↑0.8 | |
| 5/21 20:50 | 52.6 | ↑1.0 | |
| 5/21 21:00 | 53.8 | ↑1.2 | |
| 5/21 21:10 | 55.1 | ↑1.3 | |
| 5/21 21:20 | 56.5 | ↑1.4 | |
| 5/21 21:30 | 58.0 | ↑1.5 | |
| 5/21 21:40 | 59.7 | ↑1.7 | |
| 5/21 21:50 | 61.4 | ↑1.7 | |
| 5/21 22:00 | 63.3 | ↑1.9 | |
| 5/21 22:10 | 65.3 | ↑2.0 | |
| 5/21 22:20 | 67.3 | ↑2.0 | |
| 5/21 22:30 | 69.4 | ↑2.1 | |
| 5/21 22:40 | 71.5 | ↑2.1 | |
| 5/21 22:50 | 73.7 | ↑2.2 | |
| 5/21 23:00 | 75.9 | ↑2.2 | |
| 5/21 23:10 | 78.1 | ↑2.2 | |
| 5/21 23:20 | 80.3 | ↑2.2 | |
| 5/21 23:30 | 82.5 | ↑2.2 | |
| 5/21 23:40 | 84.6 | ↑2.1 | |
| 5/21 23:50 | 86.7 | ↑2.1 |