| 満潮 | 干潮 | 満潮 | 干潮 |
|
18
(日) |
02:08 | 09:34 | 16:03 | 20:06 |
| 103cm | 9cm | 64cm | 49cm | |
|
||||
コイセボイ（北海道）2053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 | 87.7 | ↑2.1 | |
| 5/18 00:10 | 89.6 | ↑1.9 | |
| 5/18 00:20 | 91.5 | ↑1.9 | |
| 5/18 00:30 | 93.3 | ↑1.8 | |
| 5/18 00:40 | 95.0 | ↑1.7 | |
| 5/18 00:50 | 96.5 | ↑1.5 | |
| 5/18 01:00 | 97.9 | ↑1.4 | |
| 5/18 01:10 | 99.1 | ↑1.2 | |
| 5/18 01:20 | 100.1 | ↑1.0 | |
| 5/18 01:30 | 100.9 | ↑0.8 | |
| 5/18 01:40 | 101.6 | ↑0.7 | |
| 5/18 01:50 | 102.1 | ↑0.5 | |
| 5/18 02:00 | 102.3 | ↑0.2 | 満潮 |
| 5/18 02:10 | 102.3 | 0 | |
| 5/18 02:20 | 102.2 | ↓-0.1 | |
| 5/18 02:30 | 101.8 | ↓-0.4 | |
| 5/18 02:40 | 101.1 | ↓-0.7 | |
| 5/18 02:50 | 100.3 | ↓-0.8 | |
| 5/18 03:00 | 99.2 | ↓-1.1 | |
| 5/18 03:10 | 98.0 | ↓-1.2 | |
| 5/18 03:20 | 96.5 | ↓-1.5 | |
| 5/18 03:30 | 94.8 | ↓-1.7 | |
| 5/18 03:40 | 92.9 | ↓-1.9 | |
| 5/18 03:50 | 90.8 | ↓-2.1 | |
| 5/18 04:00 | 88.5 | ↓-2.3 | |
| 5/18 04:10 | 86.1 | ↓-2.4 | |
| 5/18 04:20 | 83.5 | ↓-2.6 | |
| 5/18 04:30 | 80.7 | ↓-2.8 | |
| 5/18 04:40 | 77.8 | ↓-2.9 | |
| 5/18 04:50 | 74.8 | ↓-3.0 | |
| 5/18 05:00 | 71.7 | ↓-3.1 | |
| 5/18 05:10 | 68.5 | ↓-3.2 | |
| 5/18 05:20 | 65.3 | ↓-3.2 | |
| 5/18 05:30 | 62.0 | ↓-3.3 | |
| 5/18 05:40 | 58.6 | ↓-3.4 | 最大潮位差 |
| 5/18 05:50 | 55.2 | ↓-3.4 | 最大潮位差 |
| 5/18 06:00 | 51.9 | ↓-3.3 | |
| 5/18 06:10 | 48.5 | ↓-3.4 | 最大潮位差 |
| 5/18 06:20 | 45.2 | ↓-3.3 | |
| 5/18 06:30 | 41.9 | ↓-3.3 | |
| 5/18 06:40 | 38.7 | ↓-3.2 | |
| 5/18 06:50 | 35.6 | ↓-3.1 | |
| 5/18 07:00 | 32.6 | ↓-3.0 | |
| 5/18 07:10 | 29.8 | ↓-2.8 | |
| 5/18 07:20 | 27.0 | ↓-2.8 | |
| 5/18 07:30 | 24.4 | ↓-2.6 | |
| 5/18 07:40 | 22.0 | ↓-2.4 | |
| 5/18 07:50 | 19.7 | ↓-2.3 | |
| 5/18 08:00 | 17.6 | ↓-2.1 | |
| 5/18 08:10 | 15.7 | ↓-1.9 | |
| 5/18 08:20 | 14.0 | ↓-1.7 | |
| 5/18 08:30 | 12.5 | ↓-1.5 | |
| 5/18 08:40 | 11.2 | ↓-1.3 | |
| 5/18 08:50 | 10.2 | ↓-1.0 | |
| 5/18 09:00 | 9.3 | ↓-0.9 | |
| 5/18 09:10 | 8.7 | ↓-0.6 | |
| 5/18 09:20 | 8.3 | ↓-0.4 | |
| 5/18 09:30 | 8.1 | ↓-0.2 | 干潮 |
| 5/18 09:40 | 8.2 | ↑0.1 | |
| 5/18 09:50 | 8.4 | ↑0.2 | |
| 5/18 10:00 | 8.9 | ↑0.5 | |
| 5/18 10:10 | 9.6 | ↑0.7 | |
| 5/18 10:20 | 10.4 | ↑0.8 | |
| 5/18 10:30 | 11.5 | ↑1.1 | |
| 5/18 10:40 | 12.7 | ↑1.2 | |
| 5/18 10:50 | 14.1 | ↑1.4 | |
| 5/18 11:00 | 15.6 | ↑1.5 | |
| 5/18 11:10 | 17.3 | ↑1.7 | |
| 5/18 11:20 | 19.1 | ↑1.8 | |
| 5/18 11:30 | 21.0 | ↑1.9 | |
| 5/18 11:40 | 23.0 | ↑2.0 | |
| 5/18 11:50 | 25.1 | ↑2.1 | |
| 5/18 12:00 | 27.2 | ↑2.1 | |
| 5/18 12:10 | 29.4 | ↑2.2 | |
| 5/18 12:20 | 31.6 | ↑2.2 | |
| 5/18 12:30 | 33.9 | ↑2.3 | |
| 5/18 12:40 | 36.1 | ↑2.2 | |
| 5/18 12:50 | 38.4 | ↑2.3 | |
| 5/18 13:00 | 40.6 | ↑2.2 | |
| 5/18 13:10 | 42.7 | ↑2.1 | |
| 5/18 13:20 | 44.8 | ↑2.1 | |
| 5/18 13:30 | 46.9 | ↑2.1 | |
| 5/18 13:40 | 48.8 | ↑1.9 | |
| 5/18 13:50 | 50.7 | ↑1.9 | |
| 5/18 14:00 | 52.4 | ↑1.7 | |
| 5/18 14:10 | 54.1 | ↑1.7 | |
| 5/18 14:20 | 55.6 | ↑1.5 | |
| 5/18 14:30 | 57.0 | ↑1.4 | |
| 5/18 14:40 | 58.2 | ↑1.2 | |
| 5/18 14:50 | 59.4 | ↑1.2 | |
| 5/18 15:00 | 60.3 | ↑0.9 | |
| 5/18 15:10 | 61.1 | ↑0.8 | |
| 5/18 15:20 | 61.8 | ↑0.7 | |
| 5/18 15:30 | 62.3 | ↑0.5 | |
| 5/18 15:40 | 62.7 | ↑0.4 | |
| 5/18 15:50 | 63.0 | ↑0.3 | |
| 5/18 16:00 | 63.1 | ↑0.1 | 満潮 |
| 5/18 16:10 | 63.0 | ↓-0.1 | |
| 5/18 16:20 | 62.8 | ↓-0.2 | |
| 5/18 16:30 | 62.6 | ↓-0.2 | |
| 5/18 16:40 | 62.2 | ↓-0.4 | |
| 5/18 16:50 | 61.6 | ↓-0.6 | |
| 5/18 17:00 | 61.0 | ↓-0.6 | |
| 5/18 17:10 | 60.4 | ↓-0.6 | |
| 5/18 17:20 | 59.6 | ↓-0.8 | |
| 5/18 17:30 | 58.8 | ↓-0.8 | |
| 5/18 17:40 | 57.9 | ↓-0.9 | |
| 5/18 17:50 | 57.0 | ↓-0.9 | |
| 5/18 18:00 | 56.1 | ↓-0.9 | |
| 5/18 18:10 | 55.2 | ↓-0.9 | |
| 5/18 18:20 | 54.3 | ↓-0.9 | |
| 5/18 18:30 | 53.4 | ↓-0.9 | |
| 5/18 18:40 | 52.6 | ↓-0.8 | |
| 5/18 18:50 | 51.8 | ↓-0.8 | |
| 5/18 19:00 | 51.0 | ↓-0.8 | |
| 5/18 19:10 | 50.4 | ↓-0.6 | |
| 5/18 19:20 | 49.8 | ↓-0.6 | |
| 5/18 19:30 | 49.3 | ↓-0.5 | |
| 5/18 19:40 | 48.9 | ↓-0.4 | |
| 5/18 19:50 | 48.7 | ↓-0.2 | |
| 5/18 20:00 | 48.5 | ↓-0.2 | 干潮 |
| 5/18 20:10 | 48.5 | 0 | |
| 5/18 20:20 | 48.7 | ↑0.2 | |
| 5/18 20:30 | 49.0 | ↑0.3 | |
| 5/18 20:40 | 49.4 | ↑0.4 | |
| 5/18 20:50 | 50.0 | ↑0.6 | |
| 5/18 21:00 | 50.7 | ↑0.7 | |
| 5/18 21:10 | 51.6 | ↑0.9 | |
| 5/18 21:20 | 52.6 | ↑1.0 | |
| 5/18 21:30 | 53.8 | ↑1.2 | |
| 5/18 21:40 | 55.2 | ↑1.4 | |
| 5/18 21:50 | 56.6 | ↑1.4 | |
| 5/18 22:00 | 58.2 | ↑1.6 | |
| 5/18 22:10 | 60.0 | ↑1.8 | |
| 5/18 22:20 | 61.8 | ↑1.8 | |
| 5/18 22:30 | 63.8 | ↑2.0 | |
| 5/18 22:40 | 65.9 | ↑2.1 | |
| 5/18 22:50 | 68.0 | ↑2.1 | |
| 5/18 23:00 | 70.2 | ↑2.2 | |
| 5/18 23:10 | 72.5 | ↑2.3 | |
| 5/18 23:20 | 74.9 | ↑2.4 | |
| 5/18 23:30 | 77.2 | ↑2.3 | |
| 5/18 23:40 | 79.6 | ↑2.4 | |
| 5/18 23:50 | 82.0 | ↑2.4 |