| 満潮 | 干潮 | 満潮 | 干潮 |
|
21
(月) |
06:41 | 00:56 | 21:05 | 14:03 |
| 85cm | 50cm | 69cm | 12cm | |
|
||||
函館（北海道）2018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 | 51.5 | ↓-0.7 | |
| 5/21 00:10 | 50.8 | ↓-0.7 | |
| 5/21 00:20 | 50.3 | ↓-0.5 | |
| 5/21 00:30 | 49.8 | ↓-0.5 | |
| 5/21 00:40 | 49.6 | ↓-0.2 | |
| 5/21 00:50 | 49.4 | ↓-0.2 | 干潮 |
| 5/21 01:00 | 49.4 | 0 | |
| 5/21 01:10 | 49.6 | ↑0.2 | |
| 5/21 01:20 | 49.9 | ↑0.3 | |
| 5/21 01:30 | 50.3 | ↑0.4 | |
| 5/21 01:40 | 50.9 | ↑0.6 | |
| 5/21 01:50 | 51.6 | ↑0.7 | |
| 5/21 02:00 | 52.5 | ↑0.9 | |
| 5/21 02:10 | 53.5 | ↑1.0 | |
| 5/21 02:20 | 54.6 | ↑1.1 | |
| 5/21 02:30 | 55.7 | ↑1.1 | |
| 5/21 02:40 | 57.0 | ↑1.3 | |
| 5/21 02:50 | 58.4 | ↑1.4 | |
| 5/21 03:00 | 59.8 | ↑1.4 | |
| 5/21 03:10 | 61.3 | ↑1.5 | |
| 5/21 03:20 | 62.8 | ↑1.5 | |
| 5/21 03:30 | 64.3 | ↑1.5 | |
| 5/21 03:40 | 65.9 | ↑1.6 | |
| 5/21 03:50 | 67.4 | ↑1.5 | |
| 5/21 04:00 | 69.0 | ↑1.6 | |
| 5/21 04:10 | 70.5 | ↑1.5 | |
| 5/21 04:20 | 72.0 | ↑1.5 | |
| 5/21 04:30 | 73.5 | ↑1.5 | |
| 5/21 04:40 | 74.9 | ↑1.4 | |
| 5/21 04:50 | 76.3 | ↑1.4 | |
| 5/21 05:00 | 77.6 | ↑1.3 | |
| 5/21 05:10 | 78.8 | ↑1.2 | |
| 5/21 05:20 | 80.0 | ↑1.2 | |
| 5/21 05:30 | 81.0 | ↑1.0 | |
| 5/21 05:40 | 82.0 | ↑1.0 | |
| 5/21 05:50 | 82.8 | ↑0.8 | |
| 5/21 06:00 | 83.5 | ↑0.7 | |
| 5/21 06:10 | 84.0 | ↑0.5 | |
| 5/21 06:20 | 84.4 | ↑0.4 | |
| 5/21 06:30 | 84.7 | ↑0.3 | |
| 5/21 06:40 | 84.8 | ↑0.1 | 満潮 |
| 5/21 06:50 | 84.7 | ↓-0.1 | |
| 5/21 07:00 | 84.5 | ↓-0.2 | |
| 5/21 07:10 | 84.1 | ↓-0.4 | |
| 5/21 07:20 | 83.5 | ↓-0.6 | |
| 5/21 07:30 | 82.7 | ↓-0.8 | |
| 5/21 07:40 | 81.8 | ↓-0.9 | |
| 5/21 07:50 | 80.7 | ↓-1.1 | |
| 5/21 08:00 | 79.5 | ↓-1.2 | |
| 5/21 08:10 | 78.1 | ↓-1.4 | |
| 5/21 08:20 | 76.5 | ↓-1.6 | |
| 5/21 08:30 | 74.9 | ↓-1.6 | |
| 5/21 08:40 | 73.1 | ↓-1.8 | |
| 5/21 08:50 | 71.2 | ↓-1.9 | |
| 5/21 09:00 | 69.2 | ↓-2.0 | |
| 5/21 09:10 | 67.1 | ↓-2.1 | |
| 5/21 09:20 | 64.9 | ↓-2.2 | |
| 5/21 09:30 | 62.6 | ↓-2.3 | |
| 5/21 09:40 | 60.2 | ↓-2.4 | |
| 5/21 09:50 | 57.8 | ↓-2.4 | |
| 5/21 10:00 | 55.4 | ↓-2.4 | |
| 5/21 10:10 | 52.9 | ↓-2.5 | |
| 5/21 10:20 | 50.3 | ↓-2.6 | 最大潮位差 |
| 5/21 10:30 | 47.8 | ↓-2.5 | |
| 5/21 10:40 | 45.2 | ↓-2.6 | 最大潮位差 |
| 5/21 10:50 | 42.6 | ↓-2.6 | 最大潮位差 |
| 5/21 11:00 | 40.0 | ↓-2.6 | 最大潮位差 |
| 5/21 11:10 | 37.5 | ↓-2.5 | |
| 5/21 11:20 | 35.0 | ↓-2.5 | |
| 5/21 11:30 | 32.5 | ↓-2.5 | |
| 5/21 11:40 | 30.1 | ↓-2.4 | |
| 5/21 11:50 | 27.7 | ↓-2.4 | |
| 5/21 12:00 | 25.5 | ↓-2.2 | |
| 5/21 12:10 | 23.4 | ↓-2.1 | |
| 5/21 12:20 | 21.4 | ↓-2.0 | |
| 5/21 12:30 | 19.5 | ↓-1.9 | |
| 5/21 12:40 | 17.8 | ↓-1.7 | |
| 5/21 12:50 | 16.3 | ↓-1.5 | |
| 5/21 13:00 | 14.9 | ↓-1.4 | |
| 5/21 13:10 | 13.8 | ↓-1.1 | |
| 5/21 13:20 | 12.8 | ↓-1.0 | |
| 5/21 13:30 | 12.1 | ↓-0.7 | |
| 5/21 13:40 | 11.5 | ↓-0.6 | |
| 5/21 13:50 | 11.2 | ↓-0.3 | |
| 5/21 14:00 | 11.0 | ↓-0.2 | 干潮 |
| 5/21 14:10 | 11.1 | ↑0.1 | |
| 5/21 14:20 | 11.4 | ↑0.3 | |
| 5/21 14:30 | 11.8 | ↑0.4 | |
| 5/21 14:40 | 12.5 | ↑0.7 | |
| 5/21 14:50 | 13.3 | ↑0.8 | |
| 5/21 15:00 | 14.3 | ↑1.0 | |
| 5/21 15:10 | 15.4 | ↑1.1 | |
| 5/21 15:20 | 16.7 | ↑1.3 | |
| 5/21 15:30 | 18.1 | ↑1.4 | |
| 5/21 15:40 | 19.6 | ↑1.5 | |
| 5/21 15:50 | 21.2 | ↑1.6 | |
| 5/21 16:00 | 23.0 | ↑1.8 | |
| 5/21 16:10 | 24.8 | ↑1.8 | |
| 5/21 16:20 | 26.7 | ↑1.9 | |
| 5/21 16:30 | 28.6 | ↑1.9 | |
| 5/21 16:40 | 30.7 | ↑2.1 | |
| 5/21 16:50 | 32.7 | ↑2.0 | |
| 5/21 17:00 | 34.9 | ↑2.2 | |
| 5/21 17:10 | 37.0 | ↑2.1 | |
| 5/21 17:20 | 39.1 | ↑2.1 | |
| 5/21 17:30 | 41.3 | ↑2.2 | |
| 5/21 17:40 | 43.5 | ↑2.2 | |
| 5/21 17:50 | 45.6 | ↑2.1 | |
| 5/21 18:00 | 47.7 | ↑2.1 | |
| 5/21 18:10 | 49.8 | ↑2.1 | |
| 5/21 18:20 | 51.8 | ↑2.0 | |
| 5/21 18:30 | 53.7 | ↑1.9 | |
| 5/21 18:40 | 55.5 | ↑1.8 | |
| 5/21 18:50 | 57.3 | ↑1.8 | |
| 5/21 19:00 | 59.0 | ↑1.7 | |
| 5/21 19:10 | 60.5 | ↑1.5 | |
| 5/21 19:20 | 61.9 | ↑1.4 | |
| 5/21 19:30 | 63.2 | ↑1.3 | |
| 5/21 19:40 | 64.4 | ↑1.2 | |
| 5/21 19:50 | 65.4 | ↑1.0 | |
| 5/21 20:00 | 66.3 | ↑0.9 | |
| 5/21 20:10 | 67.0 | ↑0.7 | |
| 5/21 20:20 | 67.6 | ↑0.6 | |
| 5/21 20:30 | 68.1 | ↑0.5 | |
| 5/21 20:40 | 68.5 | ↑0.4 | |
| 5/21 20:50 | 68.7 | ↑0.2 | |
| 5/21 21:00 | 68.8 | ↑0.1 | 満潮 |
| 5/21 21:10 | 68.8 | 0 | |
| 5/21 21:20 | 68.6 | ↓-0.2 | |
| 5/21 21:30 | 68.4 | ↓-0.2 | |
| 5/21 21:40 | 68.1 | ↓-0.3 | |
| 5/21 21:50 | 67.7 | ↓-0.4 | |
| 5/21 22:00 | 67.2 | ↓-0.5 | |
| 5/21 22:10 | 66.6 | ↓-0.6 | |
| 5/21 22:20 | 65.9 | ↓-0.7 | |
| 5/21 22:30 | 65.2 | ↓-0.7 | |
| 5/21 22:40 | 64.4 | ↓-0.8 | |
| 5/21 22:50 | 63.6 | ↓-0.8 | |
| 5/21 23:00 | 62.7 | ↓-0.9 | |
| 5/21 23:10 | 61.8 | ↓-0.9 | |
| 5/21 23:20 | 60.9 | ↓-0.9 | |
| 5/21 23:30 | 59.9 | ↓-1.0 | |
| 5/21 23:40 | 58.9 | ↓-1.0 | |
| 5/21 23:50 | 57.9 | ↓-1.0 |