| 満潮 | 干潮 | 満潮 | 干潮 |
|
18
(日) |
00:59 | 08:17 | 14:55 | 19:06 |
| 90cm | 16cm | 67cm | 53cm | |
|
||||
コイセボイ（北海道）2042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 | 87.0 | ↑1.0 | |
| 5/18 00:10 | 87.8 | ↑0.8 | |
| 5/18 00:20 | 88.5 | ↑0.7 | |
| 5/18 00:30 | 89.0 | ↑0.5 | |
| 5/18 00:40 | 89.4 | ↑0.4 | |
| 5/18 00:50 | 89.6 | ↑0.2 | 満潮 |
| 5/18 01:00 | 89.7 | ↑0.1 | |
| 5/18 01:10 | 89.6 | ↓-0.1 | |
| 5/18 01:20 | 89.3 | ↓-0.3 | |
| 5/18 01:30 | 88.8 | ↓-0.5 | |
| 5/18 01:40 | 88.1 | ↓-0.7 | |
| 5/18 01:50 | 87.3 | ↓-0.8 | |
| 5/18 02:00 | 86.3 | ↓-1.0 | |
| 5/18 02:10 | 85.1 | ↓-1.2 | |
| 5/18 02:20 | 83.8 | ↓-1.3 | |
| 5/18 02:30 | 82.2 | ↓-1.6 | |
| 5/18 02:40 | 80.6 | ↓-1.6 | |
| 5/18 02:50 | 78.8 | ↓-1.8 | |
| 5/18 03:00 | 76.8 | ↓-2.0 | |
| 5/18 03:10 | 74.7 | ↓-2.1 | |
| 5/18 03:20 | 72.5 | ↓-2.2 | |
| 5/18 03:30 | 70.2 | ↓-2.3 | |
| 5/18 03:40 | 67.7 | ↓-2.5 | |
| 5/18 03:50 | 65.2 | ↓-2.5 | |
| 5/18 04:00 | 62.7 | ↓-2.5 | |
| 5/18 04:10 | 60.0 | ↓-2.7 | |
| 5/18 04:20 | 57.4 | ↓-2.6 | |
| 5/18 04:30 | 54.7 | ↓-2.7 | |
| 5/18 04:40 | 51.9 | ↓-2.8 | 最大潮位差 |
| 5/18 04:50 | 49.2 | ↓-2.7 | |
| 5/18 05:00 | 46.5 | ↓-2.7 | |
| 5/18 05:10 | 43.8 | ↓-2.7 | |
| 5/18 05:20 | 41.2 | ↓-2.6 | |
| 5/18 05:30 | 38.6 | ↓-2.6 | |
| 5/18 05:40 | 36.2 | ↓-2.4 | |
| 5/18 05:50 | 33.7 | ↓-2.5 | |
| 5/18 06:00 | 31.4 | ↓-2.3 | |
| 5/18 06:10 | 29.2 | ↓-2.2 | |
| 5/18 06:20 | 27.2 | ↓-2.0 | |
| 5/18 06:30 | 25.2 | ↓-2.0 | |
| 5/18 06:40 | 23.5 | ↓-1.7 | |
| 5/18 06:50 | 21.8 | ↓-1.7 | |
| 5/18 07:00 | 20.3 | ↓-1.5 | |
| 5/18 07:10 | 19.0 | ↓-1.3 | |
| 5/18 07:20 | 17.9 | ↓-1.1 | |
| 5/18 07:30 | 17.0 | ↓-0.9 | |
| 5/18 07:40 | 16.2 | ↓-0.8 | |
| 5/18 07:50 | 15.6 | ↓-0.6 | |
| 5/18 08:00 | 15.2 | ↓-0.4 | |
| 5/18 08:10 | 15.0 | ↓-0.2 | 干潮 |
| 5/18 08:20 | 15.0 | 0 | |
| 5/18 08:30 | 15.2 | ↑0.2 | |
| 5/18 08:40 | 15.6 | ↑0.4 | |
| 5/18 08:50 | 16.1 | ↑0.5 | |
| 5/18 09:00 | 16.8 | ↑0.7 | |
| 5/18 09:10 | 17.7 | ↑0.9 | |
| 5/18 09:20 | 18.7 | ↑1.0 | |
| 5/18 09:30 | 19.9 | ↑1.2 | |
| 5/18 09:40 | 21.2 | ↑1.3 | |
| 5/18 09:50 | 22.6 | ↑1.4 | |
| 5/18 10:00 | 24.2 | ↑1.6 | |
| 5/18 10:10 | 25.9 | ↑1.7 | |
| 5/18 10:20 | 27.6 | ↑1.7 | |
| 5/18 10:30 | 29.5 | ↑1.9 | |
| 5/18 10:40 | 31.4 | ↑1.9 | |
| 5/18 10:50 | 33.3 | ↑1.9 | |
| 5/18 11:00 | 35.3 | ↑2.0 | |
| 5/18 11:10 | 37.4 | ↑2.1 | |
| 5/18 11:20 | 39.4 | ↑2.0 | |
| 5/18 11:30 | 41.5 | ↑2.1 | |
| 5/18 11:40 | 43.5 | ↑2.0 | |
| 5/18 11:50 | 45.5 | ↑2.0 | |
| 5/18 12:00 | 47.5 | ↑2.0 | |
| 5/18 12:10 | 49.4 | ↑1.9 | |
| 5/18 12:20 | 51.3 | ↑1.9 | |
| 5/18 12:30 | 53.1 | ↑1.8 | |
| 5/18 12:40 | 54.8 | ↑1.7 | |
| 5/18 12:50 | 56.4 | ↑1.6 | |
| 5/18 13:00 | 57.9 | ↑1.5 | |
| 5/18 13:10 | 59.3 | ↑1.4 | |
| 5/18 13:20 | 60.5 | ↑1.2 | |
| 5/18 13:30 | 61.7 | ↑1.2 | |
| 5/18 13:40 | 62.7 | ↑1.0 | |
| 5/18 13:50 | 63.6 | ↑0.9 | |
| 5/18 14:00 | 64.4 | ↑0.8 | |
| 5/18 14:10 | 65.0 | ↑0.6 | |
| 5/18 14:20 | 65.5 | ↑0.5 | |
| 5/18 14:30 | 65.9 | ↑0.4 | |
| 5/18 14:40 | 66.1 | ↑0.2 | |
| 5/18 14:50 | 66.3 | ↑0.2 | 満潮 |
| 5/18 15:00 | 66.2 | ↓-0.1 | |
| 5/18 15:10 | 66.1 | ↓-0.1 | |
| 5/18 15:20 | 65.9 | ↓-0.2 | |
| 5/18 15:30 | 65.5 | ↓-0.4 | |
| 5/18 15:40 | 65.1 | ↓-0.4 | |
| 5/18 15:50 | 64.6 | ↓-0.5 | |
| 5/18 16:00 | 63.9 | ↓-0.7 | |
| 5/18 16:10 | 63.3 | ↓-0.6 | |
| 5/18 16:20 | 62.5 | ↓-0.8 | |
| 5/18 16:30 | 61.7 | ↓-0.8 | |
| 5/18 16:40 | 60.9 | ↓-0.8 | |
| 5/18 16:50 | 60.1 | ↓-0.8 | |
| 5/18 17:00 | 59.2 | ↓-0.9 | |
| 5/18 17:10 | 58.4 | ↓-0.8 | |
| 5/18 17:20 | 57.5 | ↓-0.9 | |
| 5/18 17:30 | 56.7 | ↓-0.8 | |
| 5/18 17:40 | 55.9 | ↓-0.8 | |
| 5/18 17:50 | 55.2 | ↓-0.7 | |
| 5/18 18:00 | 54.5 | ↓-0.7 | |
| 5/18 18:10 | 53.9 | ↓-0.6 | |
| 5/18 18:20 | 53.4 | ↓-0.5 | |
| 5/18 18:30 | 53.0 | ↓-0.4 | |
| 5/18 18:40 | 52.6 | ↓-0.4 | |
| 5/18 18:50 | 52.4 | ↓-0.2 | |
| 5/18 19:00 | 52.3 | ↓-0.1 | 干潮 |
| 5/18 19:10 | 52.3 | 0 | |
| 5/18 19:20 | 52.4 | ↑0.1 | |
| 5/18 19:30 | 52.6 | ↑0.2 | |
| 5/18 19:40 | 53.0 | ↑0.4 | |
| 5/18 19:50 | 53.5 | ↑0.5 | |
| 5/18 20:00 | 54.2 | ↑0.7 | |
| 5/18 20:10 | 54.9 | ↑0.7 | |
| 5/18 20:20 | 55.9 | ↑1.0 | |
| 5/18 20:30 | 56.9 | ↑1.0 | |
| 5/18 20:40 | 58.1 | ↑1.2 | |
| 5/18 20:50 | 59.3 | ↑1.2 | |
| 5/18 21:00 | 60.7 | ↑1.4 | |
| 5/18 21:10 | 62.2 | ↑1.5 | |
| 5/18 21:20 | 63.8 | ↑1.6 | |
| 5/18 21:30 | 65.5 | ↑1.7 | |
| 5/18 21:40 | 67.3 | ↑1.8 | |
| 5/18 21:50 | 69.1 | ↑1.8 | |
| 5/18 22:00 | 71.0 | ↑1.9 | |
| 5/18 22:10 | 72.9 | ↑1.9 | |
| 5/18 22:20 | 74.9 | ↑2.0 | |
| 5/18 22:30 | 76.9 | ↑2.0 | |
| 5/18 22:40 | 78.8 | ↑1.9 | |
| 5/18 22:50 | 80.8 | ↑2.0 | |
| 5/18 23:00 | 82.8 | ↑2.0 | |
| 5/18 23:10 | 84.7 | ↑1.9 | |
| 5/18 23:20 | 86.5 | ↑1.8 | |
| 5/18 23:30 | 88.3 | ↑1.8 | |
| 5/18 23:40 | 90.0 | ↑1.7 | |
| 5/18 23:50 | 91.6 | ↑1.6 |