| 満潮 | 干潮 | 満潮 | 干潮 |
|
21
(日) |
03:34 | 10:53 | 17:29 | 22:32 |
| 99cm | -1cm | 78cm | 51cm | |
|
||||
函館（北海道）2023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 | 59.9 | ↑2.0 | |
| 5/21 00:10 | 62.1 | ↑2.2 | |
| 5/21 00:20 | 64.3 | ↑2.2 | |
| 5/21 00:30 | 66.7 | ↑2.4 | |
| 5/21 00:40 | 69.1 | ↑2.4 | |
| 5/21 00:50 | 71.6 | ↑2.5 | |
| 5/21 01:00 | 74.1 | ↑2.5 | |
| 5/21 01:10 | 76.6 | ↑2.5 | |
| 5/21 01:20 | 79.1 | ↑2.5 | |
| 5/21 01:30 | 81.5 | ↑2.4 | |
| 5/21 01:40 | 83.9 | ↑2.4 | |
| 5/21 01:50 | 86.1 | ↑2.2 | |
| 5/21 02:00 | 88.2 | ↑2.1 | |
| 5/21 02:10 | 90.2 | ↑2.0 | |
| 5/21 02:20 | 92.0 | ↑1.8 | |
| 5/21 02:30 | 93.6 | ↑1.6 | |
| 5/21 02:40 | 95.0 | ↑1.4 | |
| 5/21 02:50 | 96.2 | ↑1.2 | |
| 5/21 03:00 | 97.2 | ↑1.0 | |
| 5/21 03:10 | 97.9 | ↑0.7 | |
| 5/21 03:20 | 98.3 | ↑0.4 | |
| 5/21 03:30 | 98.5 | ↑0.2 | 満潮 |
| 5/21 03:40 | 98.5 | 0 | |
| 5/21 03:50 | 98.1 | ↓-0.4 | |
| 5/21 04:00 | 97.6 | ↓-0.5 | |
| 5/21 04:10 | 96.8 | ↓-0.8 | |
| 5/21 04:20 | 95.7 | ↓-1.1 | |
| 5/21 04:30 | 94.5 | ↓-1.2 | |
| 5/21 04:40 | 93.0 | ↓-1.5 | |
| 5/21 04:50 | 91.3 | ↓-1.7 | |
| 5/21 05:00 | 89.4 | ↓-1.9 | |
| 5/21 05:10 | 87.3 | ↓-2.1 | |
| 5/21 05:20 | 85.0 | ↓-2.3 | |
| 5/21 05:30 | 82.6 | ↓-2.4 | |
| 5/21 05:40 | 80.0 | ↓-2.6 | |
| 5/21 05:50 | 77.3 | ↓-2.7 | |
| 5/21 06:00 | 74.4 | ↓-2.9 | |
| 5/21 06:10 | 71.4 | ↓-3.0 | |
| 5/21 06:20 | 68.3 | ↓-3.1 | |
| 5/21 06:30 | 65.1 | ↓-3.2 | |
| 5/21 06:40 | 61.9 | ↓-3.2 | |
| 5/21 06:50 | 58.5 | ↓-3.4 | |
| 5/21 07:00 | 55.1 | ↓-3.4 | |
| 5/21 07:10 | 51.6 | ↓-3.5 | |
| 5/21 07:20 | 48.0 | ↓-3.6 | 最大潮位差 |
| 5/21 07:30 | 44.5 | ↓-3.5 | |
| 5/21 07:40 | 41.0 | ↓-3.5 | |
| 5/21 07:50 | 37.4 | ↓-3.6 | 最大潮位差 |
| 5/21 08:00 | 33.9 | ↓-3.5 | |
| 5/21 08:10 | 30.5 | ↓-3.4 | |
| 5/21 08:20 | 27.1 | ↓-3.4 | |
| 5/21 08:30 | 23.9 | ↓-3.2 | |
| 5/21 08:40 | 20.7 | ↓-3.2 | |
| 5/21 08:50 | 17.7 | ↓-3.0 | |
| 5/21 09:00 | 14.9 | ↓-2.8 | |
| 5/21 09:10 | 12.2 | ↓-2.7 | |
| 5/21 09:20 | 9.7 | ↓-2.5 | |
| 5/21 09:30 | 7.4 | ↓-2.3 | |
| 5/21 09:40 | 5.4 | ↓-2.0 | |
| 5/21 09:50 | 3.6 | ↓-1.8 | |
| 5/21 10:00 | 2.0 | ↓-1.6 | |
| 5/21 10:10 | 0.7 | ↓-1.3 | |
| 5/21 10:20 | -0.3 | ↓-1.0 | |
| 5/21 10:30 | -1.1 | ↓-0.8 | |
| 5/21 10:40 | -1.6 | ↓-0.5 | |
| 5/21 10:50 | -1.7 | ↓-0.1 | 干潮 |
| 5/21 11:00 | -1.7 | 0 | |
| 5/21 11:10 | -1.3 | ↑0.4 | |
| 5/21 11:20 | -0.6 | ↑0.7 | |
| 5/21 11:30 | 0.3 | ↑0.9 | |
| 5/21 11:40 | 1.5 | ↑1.2 | |
| 5/21 11:50 | 3.0 | ↑1.5 | |
| 5/21 12:00 | 4.7 | ↑1.7 | |
| 5/21 12:10 | 6.7 | ↑2.0 | |
| 5/21 12:20 | 8.9 | ↑2.2 | |
| 5/21 12:30 | 11.3 | ↑2.4 | |
| 5/21 12:40 | 13.9 | ↑2.6 | |
| 5/21 12:50 | 16.7 | ↑2.8 | |
| 5/21 13:00 | 19.6 | ↑2.9 | |
| 5/21 13:10 | 22.7 | ↑3.1 | |
| 5/21 13:20 | 25.9 | ↑3.2 | |
| 5/21 13:30 | 29.1 | ↑3.2 | |
| 5/21 13:40 | 32.5 | ↑3.4 | |
| 5/21 13:50 | 35.8 | ↑3.3 | |
| 5/21 14:00 | 39.2 | ↑3.4 | |
| 5/21 14:10 | 42.5 | ↑3.3 | |
| 5/21 14:20 | 45.8 | ↑3.3 | |
| 5/21 14:30 | 49.0 | ↑3.2 | |
| 5/21 14:40 | 52.1 | ↑3.1 | |
| 5/21 14:50 | 55.0 | ↑2.9 | |
| 5/21 15:00 | 57.9 | ↑2.9 | |
| 5/21 15:10 | 60.6 | ↑2.7 | |
| 5/21 15:20 | 63.1 | ↑2.5 | |
| 5/21 15:30 | 65.4 | ↑2.3 | |
| 5/21 15:40 | 67.5 | ↑2.1 | |
| 5/21 15:50 | 69.5 | ↑2.0 | |
| 5/21 16:00 | 71.2 | ↑1.7 | |
| 5/21 16:10 | 72.7 | ↑1.5 | |
| 5/21 16:20 | 74.0 | ↑1.3 | |
| 5/21 16:30 | 75.1 | ↑1.1 | |
| 5/21 16:40 | 76.1 | ↑1.0 | |
| 5/21 16:50 | 76.8 | ↑0.7 | |
| 5/21 17:00 | 77.3 | ↑0.5 | |
| 5/21 17:10 | 77.7 | ↑0.4 | |
| 5/21 17:20 | 77.9 | ↑0.2 | 満潮 |
| 5/21 17:30 | 77.9 | 0 | |
| 5/21 17:40 | 77.8 | ↓-0.1 | |
| 5/21 17:50 | 77.6 | ↓-0.2 | |
| 5/21 18:00 | 77.2 | ↓-0.4 | |
| 5/21 18:10 | 76.7 | ↓-0.5 | |
| 5/21 18:20 | 76.0 | ↓-0.7 | |
| 5/21 18:30 | 75.3 | ↓-0.7 | |
| 5/21 18:40 | 74.4 | ↓-0.9 | |
| 5/21 18:50 | 73.5 | ↓-0.9 | |
| 5/21 19:00 | 72.4 | ↓-1.1 | |
| 5/21 19:10 | 71.3 | ↓-1.1 | |
| 5/21 19:20 | 70.1 | ↓-1.2 | |
| 5/21 19:30 | 68.8 | ↓-1.3 | |
| 5/21 19:40 | 67.5 | ↓-1.3 | |
| 5/21 19:50 | 66.1 | ↓-1.4 | |
| 5/21 20:00 | 64.7 | ↓-1.4 | |
| 5/21 20:10 | 63.3 | ↓-1.4 | |
| 5/21 20:20 | 61.9 | ↓-1.4 | |
| 5/21 20:30 | 60.5 | ↓-1.4 | |
| 5/21 20:40 | 59.1 | ↓-1.4 | |
| 5/21 20:50 | 57.7 | ↓-1.4 | |
| 5/21 21:00 | 56.5 | ↓-1.2 | |
| 5/21 21:10 | 55.3 | ↓-1.2 | |
| 5/21 21:20 | 54.2 | ↓-1.1 | |
| 5/21 21:30 | 53.2 | ↓-1.0 | |
| 5/21 21:40 | 52.3 | ↓-0.9 | |
| 5/21 21:50 | 51.6 | ↓-0.7 | |
| 5/21 22:00 | 51.0 | ↓-0.6 | |
| 5/21 22:10 | 50.5 | ↓-0.5 | |
| 5/21 22:20 | 50.2 | ↓-0.3 | |
| 5/21 22:30 | 50.1 | ↓-0.1 | 干潮 |
| 5/21 22:40 | 50.2 | ↑0.1 | |
| 5/21 22:50 | 50.4 | ↑0.2 | |
| 5/21 23:00 | 50.9 | ↑0.5 | |
| 5/21 23:10 | 51.5 | ↑0.6 | |
| 5/21 23:20 | 52.2 | ↑0.7 | |
| 5/21 23:30 | 53.2 | ↑1.0 | |
| 5/21 23:40 | 54.3 | ↑1.1 | |
| 5/21 23:50 | 55.6 | ↑1.3 |