| 満潮 | 干潮 | 満潮 | 干潮 |
|
18
(火) |
06:18 | 00:40 | 21:14 | 13:57 |
| 81cm | 53cm | 63cm | 12cm | |
|
||||
函館（北海道）2021年05月18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 |
|---|---|---|---|
| 5/18 00:00 | 53.4 | ↓-0.4 | |
| 5/18 00:10 | 53.1 | ↓-0.3 | |
| 5/18 00:20 | 52.8 | ↓-0.3 | |
| 5/18 00:30 | 52.7 | ↓-0.1 | 干潮 |
| 5/18 00:40 | 52.6 | ↓-0.1 | 干潮 |
| 5/18 00:50 | 52.7 | ↑0.1 | |
| 5/18 01:00 | 52.9 | ↑0.2 | |
| 5/18 01:10 | 53.2 | ↑0.3 | |
| 5/18 01:20 | 53.6 | ↑0.4 | |
| 5/18 01:30 | 54.1 | ↑0.5 | |
| 5/18 01:40 | 54.8 | ↑0.7 | |
| 5/18 01:50 | 55.5 | ↑0.7 | |
| 5/18 02:00 | 56.4 | ↑0.9 | |
| 5/18 02:10 | 57.3 | ↑0.9 | |
| 5/18 02:20 | 58.4 | ↑1.1 | |
| 5/18 02:30 | 59.5 | ↑1.1 | |
| 5/18 02:40 | 60.7 | ↑1.2 | |
| 5/18 02:50 | 61.9 | ↑1.2 | |
| 5/18 03:00 | 63.1 | ↑1.2 | |
| 5/18 03:10 | 64.4 | ↑1.3 | |
| 5/18 03:20 | 65.7 | ↑1.3 | |
| 5/18 03:30 | 67.0 | ↑1.3 | |
| 5/18 03:40 | 68.3 | ↑1.3 | |
| 5/18 03:50 | 69.6 | ↑1.3 | |
| 5/18 04:00 | 70.8 | ↑1.2 | |
| 5/18 04:10 | 72.0 | ↑1.2 | |
| 5/18 04:20 | 73.1 | ↑1.1 | |
| 5/18 04:30 | 74.2 | ↑1.1 | |
| 5/18 04:40 | 75.2 | ↑1.0 | |
| 5/18 04:50 | 76.2 | ↑1.0 | |
| 5/18 05:00 | 77.0 | ↑0.8 | |
| 5/18 05:10 | 77.8 | ↑0.8 | |
| 5/18 05:20 | 78.5 | ↑0.7 | |
| 5/18 05:30 | 79.1 | ↑0.6 | |
| 5/18 05:40 | 79.6 | ↑0.5 | |
| 5/18 05:50 | 80.0 | ↑0.4 | |
| 5/18 06:00 | 80.3 | ↑0.3 | |
| 5/18 06:10 | 80.4 | ↑0.1 | 満潮 |
| 5/18 06:20 | 80.4 | 0 | |
| 5/18 06:30 | 80.3 | ↓-0.1 | |
| 5/18 06:40 | 80.1 | ↓-0.2 | |
| 5/18 06:50 | 79.7 | ↓-0.4 | |
| 5/18 07:00 | 79.2 | ↓-0.5 | |
| 5/18 07:10 | 78.5 | ↓-0.7 | |
| 5/18 07:20 | 77.7 | ↓-0.8 | |
| 5/18 07:30 | 76.7 | ↓-1.0 | |
| 5/18 07:40 | 75.6 | ↓-1.1 | |
| 5/18 07:50 | 74.3 | ↓-1.3 | |
| 5/18 08:00 | 72.9 | ↓-1.4 | |
| 5/18 08:10 | 71.4 | ↓-1.5 | |
| 5/18 08:20 | 69.8 | ↓-1.6 | |
| 5/18 08:30 | 68.1 | ↓-1.7 | |
| 5/18 08:40 | 66.3 | ↓-1.8 | |
| 5/18 08:50 | 64.3 | ↓-2.0 | |
| 5/18 09:00 | 62.3 | ↓-2.0 | |
| 5/18 09:10 | 60.3 | ↓-2.0 | |
| 5/18 09:20 | 58.1 | ↓-2.2 | |
| 5/18 09:30 | 55.9 | ↓-2.2 | |
| 5/18 09:40 | 53.7 | ↓-2.2 | |
| 5/18 09:50 | 51.4 | ↓-2.3 | |
| 5/18 10:00 | 49.2 | ↓-2.2 | |
| 5/18 10:10 | 46.9 | ↓-2.3 | |
| 5/18 10:20 | 44.5 | ↓-2.4 | 最大潮位差 |
| 5/18 10:30 | 42.2 | ↓-2.3 | |
| 5/18 10:40 | 39.9 | ↓-2.3 | |
| 5/18 10:50 | 37.6 | ↓-2.3 | |
| 5/18 11:00 | 35.4 | ↓-2.2 | |
| 5/18 11:10 | 33.2 | ↓-2.2 | |
| 5/18 11:20 | 31.0 | ↓-2.2 | |
| 5/18 11:30 | 28.9 | ↓-2.1 | |
| 5/18 11:40 | 26.8 | ↓-2.1 | |
| 5/18 11:50 | 24.8 | ↓-2.0 | |
| 5/18 12:00 | 22.9 | ↓-1.9 | |
| 5/18 12:10 | 21.2 | ↓-1.7 | |
| 5/18 12:20 | 19.5 | ↓-1.7 | |
| 5/18 12:30 | 17.9 | ↓-1.6 | |
| 5/18 12:40 | 16.5 | ↓-1.4 | |
| 5/18 12:50 | 15.3 | ↓-1.2 | |
| 5/18 13:00 | 14.2 | ↓-1.1 | |
| 5/18 13:10 | 13.3 | ↓-0.9 | |
| 5/18 13:20 | 12.5 | ↓-0.8 | |
| 5/18 13:30 | 12.0 | ↓-0.5 | |
| 5/18 13:40 | 11.6 | ↓-0.4 | |
| 5/18 13:50 | 11.4 | ↓-0.2 | 干潮 |
| 5/18 14:00 | 11.3 | ↓-0.1 | |
| 5/18 14:10 | 11.5 | ↑0.2 | |
| 5/18 14:20 | 11.8 | ↑0.3 | |
| 5/18 14:30 | 12.3 | ↑0.5 | |
| 5/18 14:40 | 13.0 | ↑0.7 | |
| 5/18 14:50 | 13.8 | ↑0.8 | |
| 5/18 15:00 | 14.7 | ↑0.9 | |
| 5/18 15:10 | 15.8 | ↑1.1 | |
| 5/18 15:20 | 17.0 | ↑1.2 | |
| 5/18 15:30 | 18.3 | ↑1.3 | |
| 5/18 15:40 | 19.7 | ↑1.4 | |
| 5/18 15:50 | 21.2 | ↑1.5 | |
| 5/18 16:00 | 22.8 | ↑1.6 | |
| 5/18 16:10 | 24.4 | ↑1.6 | |
| 5/18 16:20 | 26.1 | ↑1.7 | |
| 5/18 16:30 | 27.8 | ↑1.7 | |
| 5/18 16:40 | 29.6 | ↑1.8 | |
| 5/18 16:50 | 31.3 | ↑1.7 | |
| 5/18 17:00 | 33.2 | ↑1.9 | |
| 5/18 17:10 | 35.0 | ↑1.8 | |
| 5/18 17:20 | 36.8 | ↑1.8 | |
| 5/18 17:30 | 38.6 | ↑1.8 | |
| 5/18 17:40 | 40.5 | ↑1.9 | |
| 5/18 17:50 | 42.3 | ↑1.8 | |
| 5/18 18:00 | 44.0 | ↑1.7 | |
| 5/18 18:10 | 45.8 | ↑1.8 | |
| 5/18 18:20 | 47.5 | ↑1.7 | |
| 5/18 18:30 | 49.1 | ↑1.6 | |
| 5/18 18:40 | 50.7 | ↑1.6 | |
| 5/18 18:50 | 52.2 | ↑1.5 | |
| 5/18 19:00 | 53.6 | ↑1.4 | |
| 5/18 19:10 | 55.0 | ↑1.4 | |
| 5/18 19:20 | 56.2 | ↑1.2 | |
| 5/18 19:30 | 57.3 | ↑1.1 | |
| 5/18 19:40 | 58.4 | ↑1.1 | |
| 5/18 19:50 | 59.3 | ↑0.9 | |
| 5/18 20:00 | 60.1 | ↑0.8 | |
| 5/18 20:10 | 60.8 | ↑0.7 | |
| 5/18 20:20 | 61.4 | ↑0.6 | |
| 5/18 20:30 | 61.9 | ↑0.5 | |
| 5/18 20:40 | 62.2 | ↑0.3 | |
| 5/18 20:50 | 62.5 | ↑0.3 | |
| 5/18 21:00 | 62.7 | ↑0.2 | |
| 5/18 21:10 | 62.7 | 0 | 満潮 |
| 5/18 21:20 | 62.7 | 0 | |
| 5/18 21:30 | 62.6 | ↓-0.1 | |
| 5/18 21:40 | 62.4 | ↓-0.2 | |
| 5/18 21:50 | 62.2 | ↓-0.2 | |
| 5/18 22:00 | 61.9 | ↓-0.3 | |
| 5/18 22:10 | 61.5 | ↓-0.4 | |
| 5/18 22:20 | 61.1 | ↓-0.4 | |
| 5/18 22:30 | 60.7 | ↓-0.4 | |
| 5/18 22:40 | 60.2 | ↓-0.5 | |
| 5/18 22:50 | 59.7 | ↓-0.5 | |
| 5/18 23:00 | 59.1 | ↓-0.6 | |
| 5/18 23:10 | 58.6 | ↓-0.5 | |
| 5/18 23:20 | 58.0 | ↓-0.6 | |
| 5/18 23:30 | 57.4 | ↓-0.6 | |
| 5/18 23:40 | 56.9 | ↓-0.5 | |
| 5/18 23:50 | 56.3 | ↓-0.6 |