| 満潮 | 干潮 | 満潮 | 干潮 |
|
20
(日) |
05:53 | 00:09 | 20:02 | 13:13 |
| 92cm | 48cm | 71cm | 5cm | |
|
||||
函館（北海道）2018年05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 |
|---|---|---|---|
| 5/20 00:00 | 47.5 | ↓-0.2 | 干潮 |
| 5/20 00:10 | 47.4 | ↓-0.1 | |
| 5/20 00:20 | 47.6 | ↑0.2 | |
| 5/20 00:30 | 47.8 | ↑0.2 | |
| 5/20 00:40 | 48.3 | ↑0.5 | |
| 5/20 00:50 | 48.9 | ↑0.6 | |
| 5/20 01:00 | 49.7 | ↑0.8 | |
| 5/20 01:10 | 50.7 | ↑1.0 | |
| 5/20 01:20 | 51.8 | ↑1.1 | |
| 5/20 01:30 | 53.1 | ↑1.3 | |
| 5/20 01:40 | 54.5 | ↑1.4 | |
| 5/20 01:50 | 56.0 | ↑1.5 | |
| 5/20 02:00 | 57.6 | ↑1.6 | |
| 5/20 02:10 | 59.3 | ↑1.7 | |
| 5/20 02:20 | 61.1 | ↑1.8 | |
| 5/20 02:30 | 63.0 | ↑1.9 | |
| 5/20 02:40 | 64.9 | ↑1.9 | |
| 5/20 02:50 | 66.8 | ↑1.9 | |
| 5/20 03:00 | 68.8 | ↑2.0 | |
| 5/20 03:10 | 70.7 | ↑1.9 | |
| 5/20 03:20 | 72.7 | ↑2.0 | |
| 5/20 03:30 | 74.6 | ↑1.9 | |
| 5/20 03:40 | 76.5 | ↑1.9 | |
| 5/20 03:50 | 78.3 | ↑1.8 | |
| 5/20 04:00 | 80.1 | ↑1.8 | |
| 5/20 04:10 | 81.8 | ↑1.7 | |
| 5/20 04:20 | 83.4 | ↑1.6 | |
| 5/20 04:30 | 84.9 | ↑1.5 | |
| 5/20 04:40 | 86.3 | ↑1.4 | |
| 5/20 04:50 | 87.5 | ↑1.2 | |
| 5/20 05:00 | 88.6 | ↑1.1 | |
| 5/20 05:10 | 89.5 | ↑0.9 | |
| 5/20 05:20 | 90.2 | ↑0.7 | |
| 5/20 05:30 | 90.7 | ↑0.5 | |
| 5/20 05:40 | 91.1 | ↑0.4 | |
| 5/20 05:50 | 91.2 | ↑0.1 | 満潮 |
| 5/20 06:00 | 91.1 | ↓-0.1 | |
| 5/20 06:10 | 90.9 | ↓-0.2 | |
| 5/20 06:20 | 90.4 | ↓-0.5 | |
| 5/20 06:30 | 89.7 | ↓-0.7 | |
| 5/20 06:40 | 88.8 | ↓-0.9 | |
| 5/20 06:50 | 87.7 | ↓-1.1 | |
| 5/20 07:00 | 86.4 | ↓-1.3 | |
| 5/20 07:10 | 84.9 | ↓-1.5 | |
| 5/20 07:20 | 83.2 | ↓-1.7 | |
| 5/20 07:30 | 81.4 | ↓-1.8 | |
| 5/20 07:40 | 79.4 | ↓-2.0 | |
| 5/20 07:50 | 77.2 | ↓-2.2 | |
| 5/20 08:00 | 75.0 | ↓-2.2 | |
| 5/20 08:10 | 72.6 | ↓-2.4 | |
| 5/20 08:20 | 70.1 | ↓-2.5 | |
| 5/20 08:30 | 67.5 | ↓-2.6 | |
| 5/20 08:40 | 64.8 | ↓-2.7 | |
| 5/20 08:50 | 62.0 | ↓-2.8 | |
| 5/20 09:00 | 59.2 | ↓-2.8 | |
| 5/20 09:10 | 56.3 | ↓-2.9 | |
| 5/20 09:20 | 53.3 | ↓-3.0 | |
| 5/20 09:30 | 50.4 | ↓-2.9 | |
| 5/20 09:40 | 47.4 | ↓-3.0 | |
| 5/20 09:50 | 44.4 | ↓-3.0 | |
| 5/20 10:00 | 41.3 | ↓-3.1 | 最大潮位差 |
| 5/20 10:10 | 38.3 | ↓-3.0 | |
| 5/20 10:20 | 35.4 | ↓-2.9 | |
| 5/20 10:30 | 32.4 | ↓-3.0 | |
| 5/20 10:40 | 29.5 | ↓-2.9 | |
| 5/20 10:50 | 26.7 | ↓-2.8 | |
| 5/20 11:00 | 24.0 | ↓-2.7 | |
| 5/20 11:10 | 21.4 | ↓-2.6 | |
| 5/20 11:20 | 18.9 | ↓-2.5 | |
| 5/20 11:30 | 16.6 | ↓-2.3 | |
| 5/20 11:40 | 14.4 | ↓-2.2 | |
| 5/20 11:50 | 12.4 | ↓-2.0 | |
| 5/20 12:00 | 10.6 | ↓-1.8 | |
| 5/20 12:10 | 9.0 | ↓-1.6 | |
| 5/20 12:20 | 7.7 | ↓-1.3 | |
| 5/20 12:30 | 6.5 | ↓-1.2 | |
| 5/20 12:40 | 5.6 | ↓-0.9 | |
| 5/20 12:50 | 5.0 | ↓-0.6 | |
| 5/20 13:00 | 4.6 | ↓-0.4 | |
| 5/20 13:10 | 4.4 | ↓-0.2 | 干潮 |
| 5/20 13:20 | 4.5 | ↑0.1 | |
| 5/20 13:30 | 4.8 | ↑0.3 | |
| 5/20 13:40 | 5.3 | ↑0.5 | |
| 5/20 13:50 | 6.1 | ↑0.8 | |
| 5/20 14:00 | 7.0 | ↑0.9 | |
| 5/20 14:10 | 8.2 | ↑1.2 | |
| 5/20 14:20 | 9.6 | ↑1.4 | |
| 5/20 14:30 | 11.2 | ↑1.6 | |
| 5/20 14:40 | 12.9 | ↑1.7 | |
| 5/20 14:50 | 14.7 | ↑1.8 | |
| 5/20 15:00 | 16.7 | ↑2.0 | |
| 5/20 15:10 | 18.9 | ↑2.2 | |
| 5/20 15:20 | 21.1 | ↑2.2 | |
| 5/20 15:30 | 23.4 | ↑2.3 | |
| 5/20 15:40 | 25.9 | ↑2.5 | |
| 5/20 15:50 | 28.3 | ↑2.4 | |
| 5/20 16:00 | 30.9 | ↑2.6 | |
| 5/20 16:10 | 33.4 | ↑2.5 | |
| 5/20 16:20 | 36.0 | ↑2.6 | |
| 5/20 16:30 | 38.6 | ↑2.6 | |
| 5/20 16:40 | 41.2 | ↑2.6 | |
| 5/20 16:50 | 43.8 | ↑2.6 | |
| 5/20 17:00 | 46.3 | ↑2.5 | |
| 5/20 17:10 | 48.7 | ↑2.4 | |
| 5/20 17:20 | 51.1 | ↑2.4 | |
| 5/20 17:30 | 53.4 | ↑2.3 | |
| 5/20 17:40 | 55.6 | ↑2.2 | |
| 5/20 17:50 | 57.7 | ↑2.1 | |
| 5/20 18:00 | 59.6 | ↑1.9 | |
| 5/20 18:10 | 61.4 | ↑1.8 | |
| 5/20 18:20 | 63.1 | ↑1.7 | |
| 5/20 18:30 | 64.6 | ↑1.5 | |
| 5/20 18:40 | 66.0 | ↑1.4 | |
| 5/20 18:50 | 67.2 | ↑1.2 | |
| 5/20 19:00 | 68.2 | ↑1.0 | |
| 5/20 19:10 | 69.0 | ↑0.8 | |
| 5/20 19:20 | 69.7 | ↑0.7 | |
| 5/20 19:30 | 70.3 | ↑0.6 | |
| 5/20 19:40 | 70.6 | ↑0.3 | |
| 5/20 19:50 | 70.9 | ↑0.3 | |
| 5/20 20:00 | 70.9 | 0 | 満潮 |
| 5/20 20:10 | 70.9 | 0 | |
| 5/20 20:20 | 70.7 | ↓-0.2 | |
| 5/20 20:30 | 70.4 | ↓-0.3 | |
| 5/20 20:40 | 70.0 | ↓-0.4 | |
| 5/20 20:50 | 69.5 | ↓-0.5 | |
| 5/20 21:00 | 68.9 | ↓-0.6 | |
| 5/20 21:10 | 68.2 | ↓-0.7 | |
| 5/20 21:20 | 67.5 | ↓-0.7 | |
| 5/20 21:30 | 66.6 | ↓-0.9 | |
| 5/20 21:40 | 65.7 | ↓-0.9 | |
| 5/20 21:50 | 64.8 | ↓-0.9 | |
| 5/20 22:00 | 63.8 | ↓-1.0 | |
| 5/20 22:10 | 62.7 | ↓-1.1 | |
| 5/20 22:20 | 61.6 | ↓-1.1 | |
| 5/20 22:30 | 60.5 | ↓-1.1 | |
| 5/20 22:40 | 59.4 | ↓-1.1 | |
| 5/20 22:50 | 58.3 | ↓-1.1 | |
| 5/20 23:00 | 57.2 | ↓-1.1 | |
| 5/20 23:10 | 56.1 | ↓-1.1 | |
| 5/20 23:20 | 55.0 | ↓-1.1 | |
| 5/20 23:30 | 54.0 | ↓-1.0 | |
| 5/20 23:40 | 53.1 | ↓-0.9 | |
| 5/20 23:50 | 52.2 | ↓-0.9 |