| 満潮 | 干潮 | 満潮 | 干潮 |
|
30
(日) |
05:03 | 12:29 | 19:30 | - |
| 101cm | 3cm | 76cm | - | |
|
||||
函館（北海道）2021年05月30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 |
|---|---|---|---|
| 5/30 00:00 | 54.9 | ↑0.5 | |
| 5/30 00:10 | 55.6 | ↑0.7 | |
| 5/30 00:20 | 56.5 | ↑0.9 | |
| 5/30 00:30 | 57.5 | ↑1.0 | |
| 5/30 00:40 | 58.7 | ↑1.2 | |
| 5/30 00:50 | 60.1 | ↑1.4 | |
| 5/30 01:00 | 61.6 | ↑1.5 | |
| 5/30 01:10 | 63.2 | ↑1.6 | |
| 5/30 01:20 | 65.0 | ↑1.8 | |
| 5/30 01:30 | 66.9 | ↑1.9 | |
| 5/30 01:40 | 68.8 | ↑1.9 | |
| 5/30 01:50 | 70.9 | ↑2.1 | |
| 5/30 02:00 | 73.0 | ↑2.1 | |
| 5/30 02:10 | 75.2 | ↑2.2 | |
| 5/30 02:20 | 77.3 | ↑2.1 | |
| 5/30 02:30 | 79.5 | ↑2.2 | |
| 5/30 02:40 | 81.7 | ↑2.2 | |
| 5/30 02:50 | 83.9 | ↑2.2 | |
| 5/30 03:00 | 86.0 | ↑2.1 | |
| 5/30 03:10 | 88.1 | ↑2.1 | |
| 5/30 03:20 | 90.0 | ↑1.9 | |
| 5/30 03:30 | 91.9 | ↑1.9 | |
| 5/30 03:40 | 93.6 | ↑1.7 | |
| 5/30 03:50 | 95.2 | ↑1.6 | |
| 5/30 04:00 | 96.6 | ↑1.4 | |
| 5/30 04:10 | 97.9 | ↑1.3 | |
| 5/30 04:20 | 98.9 | ↑1.0 | |
| 5/30 04:30 | 99.8 | ↑0.9 | |
| 5/30 04:40 | 100.4 | ↑0.6 | |
| 5/30 04:50 | 100.8 | ↑0.4 | |
| 5/30 05:00 | 101.0 | ↑0.2 | 満潮 |
| 5/30 05:10 | 100.9 | ↓-0.1 | |
| 5/30 05:20 | 100.6 | ↓-0.3 | |
| 5/30 05:30 | 100.0 | ↓-0.6 | |
| 5/30 05:40 | 99.2 | ↓-0.8 | |
| 5/30 05:50 | 98.2 | ↓-1.0 | |
| 5/30 06:00 | 96.9 | ↓-1.3 | |
| 5/30 06:10 | 95.5 | ↓-1.4 | |
| 5/30 06:20 | 93.8 | ↓-1.7 | |
| 5/30 06:30 | 91.9 | ↓-1.9 | |
| 5/30 06:40 | 89.9 | ↓-2.0 | |
| 5/30 06:50 | 87.7 | ↓-2.2 | |
| 5/30 07:00 | 85.3 | ↓-2.4 | |
| 5/30 07:10 | 82.8 | ↓-2.5 | |
| 5/30 07:20 | 80.1 | ↓-2.7 | |
| 5/30 07:30 | 77.3 | ↓-2.8 | |
| 5/30 07:40 | 74.4 | ↓-2.9 | |
| 5/30 07:50 | 71.5 | ↓-2.9 | |
| 5/30 08:00 | 68.4 | ↓-3.1 | |
| 5/30 08:10 | 65.2 | ↓-3.2 | |
| 5/30 08:20 | 62.0 | ↓-3.2 | |
| 5/30 08:30 | 58.7 | ↓-3.3 | |
| 5/30 08:40 | 55.4 | ↓-3.3 | |
| 5/30 08:50 | 52.0 | ↓-3.4 | 最大潮位差 |
| 5/30 09:00 | 48.7 | ↓-3.3 | |
| 5/30 09:10 | 45.3 | ↓-3.4 | 最大潮位差 |
| 5/30 09:20 | 41.9 | ↓-3.4 | 最大潮位差 |
| 5/30 09:30 | 38.6 | ↓-3.3 | |
| 5/30 09:40 | 35.3 | ↓-3.3 | |
| 5/30 09:50 | 32.1 | ↓-3.2 | |
| 5/30 10:00 | 28.9 | ↓-3.2 | |
| 5/30 10:10 | 25.9 | ↓-3.0 | |
| 5/30 10:20 | 23.0 | ↓-2.9 | |
| 5/30 10:30 | 20.2 | ↓-2.8 | |
| 5/30 10:40 | 17.5 | ↓-2.7 | |
| 5/30 10:50 | 15.1 | ↓-2.4 | |
| 5/30 11:00 | 12.8 | ↓-2.3 | |
| 5/30 11:10 | 10.8 | ↓-2.0 | |
| 5/30 11:20 | 8.9 | ↓-1.9 | |
| 5/30 11:30 | 7.3 | ↓-1.6 | |
| 5/30 11:40 | 5.9 | ↓-1.4 | |
| 5/30 11:50 | 4.8 | ↓-1.1 | |
| 5/30 12:00 | 4.0 | ↓-0.8 | |
| 5/30 12:10 | 3.4 | ↓-0.6 | |
| 5/30 12:20 | 3.0 | ↓-0.4 | 干潮 |
| 5/30 12:30 | 3.0 | 0 | |
| 5/30 12:40 | 3.1 | ↑0.1 | |
| 5/30 12:50 | 3.5 | ↑0.4 | |
| 5/30 13:00 | 4.2 | ↑0.7 | |
| 5/30 13:10 | 5.1 | ↑0.9 | |
| 5/30 13:20 | 6.2 | ↑1.1 | |
| 5/30 13:30 | 7.6 | ↑1.4 | |
| 5/30 13:40 | 9.1 | ↑1.5 | |
| 5/30 13:50 | 10.9 | ↑1.8 | |
| 5/30 14:00 | 12.8 | ↑1.9 | |
| 5/30 14:10 | 14.9 | ↑2.1 | |
| 5/30 14:20 | 17.1 | ↑2.2 | |
| 5/30 14:30 | 19.5 | ↑2.4 | |
| 5/30 14:40 | 22.0 | ↑2.5 | |
| 5/30 14:50 | 24.6 | ↑2.6 | |
| 5/30 15:00 | 27.3 | ↑2.7 | |
| 5/30 15:10 | 30.0 | ↑2.7 | |
| 5/30 15:20 | 32.8 | ↑2.8 | |
| 5/30 15:30 | 35.7 | ↑2.9 | |
| 5/30 15:40 | 38.5 | ↑2.8 | |
| 5/30 15:50 | 41.4 | ↑2.9 | |
| 5/30 16:00 | 44.2 | ↑2.8 | |
| 5/30 16:10 | 47.0 | ↑2.8 | |
| 5/30 16:20 | 49.7 | ↑2.7 | |
| 5/30 16:30 | 52.3 | ↑2.6 | |
| 5/30 16:40 | 54.9 | ↑2.6 | |
| 5/30 16:50 | 57.3 | ↑2.4 | |
| 5/30 17:00 | 59.6 | ↑2.3 | |
| 5/30 17:10 | 61.8 | ↑2.2 | |
| 5/30 17:20 | 63.8 | ↑2.0 | |
| 5/30 17:30 | 65.7 | ↑1.9 | |
| 5/30 17:40 | 67.4 | ↑1.7 | |
| 5/30 17:50 | 68.9 | ↑1.5 | |
| 5/30 18:00 | 70.3 | ↑1.4 | |
| 5/30 18:10 | 71.5 | ↑1.2 | |
| 5/30 18:20 | 72.6 | ↑1.1 | |
| 5/30 18:30 | 73.5 | ↑0.9 | |
| 5/30 18:40 | 74.3 | ↑0.8 | |
| 5/30 18:50 | 74.8 | ↑0.5 | |
| 5/30 19:00 | 75.3 | ↑0.5 | |
| 5/30 19:10 | 75.6 | ↑0.3 | |
| 5/30 19:20 | 75.8 | ↑0.2 | 満潮 |
| 5/30 19:30 | 75.8 | 0 | 満潮 |
| 5/30 19:40 | 75.8 | 0 | |
| 5/30 19:50 | 75.6 | ↓-0.2 | |
| 5/30 20:00 | 75.3 | ↓-0.3 | |
| 5/30 20:10 | 74.9 | ↓-0.4 | |
| 5/30 20:20 | 74.4 | ↓-0.5 | |
| 5/30 20:30 | 73.8 | ↓-0.6 | |
| 5/30 20:40 | 73.1 | ↓-0.7 | |
| 5/30 20:50 | 72.3 | ↓-0.8 | |
| 5/30 21:00 | 71.4 | ↓-0.9 | |
| 5/30 21:10 | 70.5 | ↓-0.9 | |
| 5/30 21:20 | 69.5 | ↓-1.0 | |
| 5/30 21:30 | 68.5 | ↓-1.0 | |
| 5/30 21:40 | 67.4 | ↓-1.1 | |
| 5/30 21:50 | 66.2 | ↓-1.2 | |
| 5/30 22:00 | 65.1 | ↓-1.1 | |
| 5/30 22:10 | 63.9 | ↓-1.2 | |
| 5/30 22:20 | 62.8 | ↓-1.1 | |
| 5/30 22:30 | 61.6 | ↓-1.2 | |
| 5/30 22:40 | 60.5 | ↓-1.1 | |
| 5/30 22:50 | 59.5 | ↓-1.0 | |
| 5/30 23:00 | 58.5 | ↓-1.0 | |
| 5/30 23:10 | 57.7 | ↓-0.8 | |
| 5/30 23:20 | 56.9 | ↓-0.8 | |
| 5/30 23:30 | 56.2 | ↓-0.7 | |
| 5/30 23:40 | 55.7 | ↓-0.5 | |
| 5/30 23:50 | 55.3 | ↓-0.4 |