| 満潮 | 干潮 | 満潮 | 干潮 |
|
18
(月) |
02:31 | 10:34 | 17:40 | 19:26 |
| 117cm | -1cm | 52cm | 51cm | |
|
||||
コイセボイ（北海道）2026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 | 95.6 | ↑2.4 | |
| 5/18 00:10 | 97.9 | ↑2.3 | |
| 5/18 00:20 | 100.1 | ↑2.2 | |
| 5/18 00:30 | 102.3 | ↑2.2 | |
| 5/18 00:40 | 104.4 | ↑2.1 | |
| 5/18 00:50 | 106.3 | ↑1.9 | |
| 5/18 01:00 | 108.1 | ↑1.8 | |
| 5/18 01:10 | 109.8 | ↑1.7 | |
| 5/18 01:20 | 111.3 | ↑1.5 | |
| 5/18 01:30 | 112.6 | ↑1.3 | |
| 5/18 01:40 | 113.8 | ↑1.2 | |
| 5/18 01:50 | 114.8 | ↑1.0 | |
| 5/18 02:00 | 115.5 | ↑0.7 | |
| 5/18 02:10 | 116.1 | ↑0.6 | |
| 5/18 02:20 | 116.4 | ↑0.3 | |
| 5/18 02:30 | 116.6 | ↑0.2 | 満潮 |
| 5/18 02:40 | 116.4 | ↓-0.2 | |
| 5/18 02:50 | 116.1 | ↓-0.3 | |
| 5/18 03:00 | 115.5 | ↓-0.6 | |
| 5/18 03:10 | 114.7 | ↓-0.8 | |
| 5/18 03:20 | 113.6 | ↓-1.1 | |
| 5/18 03:30 | 112.3 | ↓-1.3 | |
| 5/18 03:40 | 110.8 | ↓-1.5 | |
| 5/18 03:50 | 109.0 | ↓-1.8 | |
| 5/18 04:00 | 107.0 | ↓-2.0 | |
| 5/18 04:10 | 104.8 | ↓-2.2 | |
| 5/18 04:20 | 102.4 | ↓-2.4 | |
| 5/18 04:30 | 99.7 | ↓-2.7 | |
| 5/18 04:40 | 96.9 | ↓-2.8 | |
| 5/18 04:50 | 93.9 | ↓-3.0 | |
| 5/18 05:00 | 90.8 | ↓-3.1 | |
| 5/18 05:10 | 87.4 | ↓-3.4 | |
| 5/18 05:20 | 84.0 | ↓-3.4 | |
| 5/18 05:30 | 80.4 | ↓-3.6 | |
| 5/18 05:40 | 76.8 | ↓-3.6 | |
| 5/18 05:50 | 73.0 | ↓-3.8 | |
| 5/18 06:00 | 69.2 | ↓-3.8 | |
| 5/18 06:10 | 65.3 | ↓-3.9 | |
| 5/18 06:20 | 61.4 | ↓-3.9 | |
| 5/18 06:30 | 57.4 | ↓-4.0 | 最大潮位差 |
| 5/18 06:40 | 53.5 | ↓-3.9 | |
| 5/18 06:50 | 49.6 | ↓-3.9 | |
| 5/18 07:00 | 45.7 | ↓-3.9 | |
| 5/18 07:10 | 41.9 | ↓-3.8 | |
| 5/18 07:20 | 38.1 | ↓-3.8 | |
| 5/18 07:30 | 34.5 | ↓-3.6 | |
| 5/18 07:40 | 30.9 | ↓-3.6 | |
| 5/18 07:50 | 27.5 | ↓-3.4 | |
| 5/18 08:00 | 24.2 | ↓-3.3 | |
| 5/18 08:10 | 21.1 | ↓-3.1 | |
| 5/18 08:20 | 18.2 | ↓-2.9 | |
| 5/18 08:30 | 15.4 | ↓-2.8 | |
| 5/18 08:40 | 12.8 | ↓-2.6 | |
| 5/18 08:50 | 10.4 | ↓-2.4 | |
| 5/18 09:00 | 8.2 | ↓-2.2 | |
| 5/18 09:10 | 6.2 | ↓-2.0 | |
| 5/18 09:20 | 4.4 | ↓-1.8 | |
| 5/18 09:30 | 2.9 | ↓-1.5 | |
| 5/18 09:40 | 1.6 | ↓-1.3 | |
| 5/18 09:50 | 0.5 | ↓-1.1 | |
| 5/18 10:00 | -0.4 | ↓-0.9 | |
| 5/18 10:10 | -1.0 | ↓-0.6 | |
| 5/18 10:20 | -1.4 | ↓-0.4 | |
| 5/18 10:30 | -1.6 | ↓-0.2 | 干潮 |
| 5/18 10:40 | -1.5 | ↑0.1 | |
| 5/18 10:50 | -1.3 | ↑0.2 | |
| 5/18 11:00 | -0.8 | ↑0.5 | |
| 5/18 11:10 | -0.2 | ↑0.6 | |
| 5/18 11:20 | 0.7 | ↑0.9 | |
| 5/18 11:30 | 1.7 | ↑1.0 | |
| 5/18 11:40 | 2.8 | ↑1.1 | |
| 5/18 11:50 | 4.2 | ↑1.4 | |
| 5/18 12:00 | 5.6 | ↑1.4 | |
| 5/18 12:10 | 7.2 | ↑1.6 | |
| 5/18 12:20 | 8.9 | ↑1.7 | |
| 5/18 12:30 | 10.7 | ↑1.8 | |
| 5/18 12:40 | 12.6 | ↑1.9 | |
| 5/18 12:50 | 14.5 | ↑1.9 | |
| 5/18 13:00 | 16.5 | ↑2.0 | |
| 5/18 13:10 | 18.6 | ↑2.1 | |
| 5/18 13:20 | 20.7 | ↑2.1 | |
| 5/18 13:30 | 22.7 | ↑2.0 | |
| 5/18 13:40 | 24.8 | ↑2.1 | |
| 5/18 13:50 | 26.9 | ↑2.1 | |
| 5/18 14:00 | 28.9 | ↑2.0 | |
| 5/18 14:10 | 30.9 | ↑2.0 | |
| 5/18 14:20 | 32.8 | ↑1.9 | |
| 5/18 14:30 | 34.7 | ↑1.9 | |
| 5/18 14:40 | 36.5 | ↑1.8 | |
| 5/18 14:50 | 38.2 | ↑1.7 | |
| 5/18 15:00 | 39.9 | ↑1.7 | |
| 5/18 15:10 | 41.4 | ↑1.5 | |
| 5/18 15:20 | 42.8 | ↑1.4 | |
| 5/18 15:30 | 44.1 | ↑1.3 | |
| 5/18 15:40 | 45.3 | ↑1.2 | |
| 5/18 15:50 | 46.4 | ↑1.1 | |
| 5/18 16:00 | 47.4 | ↑1.0 | |
| 5/18 16:10 | 48.3 | ↑0.9 | |
| 5/18 16:20 | 49.1 | ↑0.8 | |
| 5/18 16:30 | 49.7 | ↑0.6 | |
| 5/18 16:40 | 50.2 | ↑0.5 | |
| 5/18 16:50 | 50.7 | ↑0.5 | |
| 5/18 17:00 | 51.0 | ↑0.3 | |
| 5/18 17:10 | 51.3 | ↑0.3 | |
| 5/18 17:20 | 51.4 | ↑0.1 | |
| 5/18 17:30 | 51.5 | ↑0.1 | 満潮 |
| 5/18 17:40 | 51.6 | ↑0.1 | 満潮 |
| 5/18 17:50 | 51.5 | ↓-0.1 | |
| 5/18 18:00 | 51.4 | ↓-0.1 | |
| 5/18 18:10 | 51.3 | ↓-0.1 | |
| 5/18 18:20 | 51.2 | ↓-0.1 | |
| 5/18 18:30 | 51.0 | ↓-0.2 | |
| 5/18 18:40 | 50.9 | ↓-0.1 | |
| 5/18 18:50 | 50.7 | ↓-0.2 | |
| 5/18 19:00 | 50.6 | ↓-0.1 | |
| 5/18 19:10 | 50.5 | ↓-0.1 | |
| 5/18 19:20 | 50.5 | 0 | 干潮 |
| 5/18 19:30 | 50.5 | 0 | |
| 5/18 19:40 | 50.5 | 0 | |
| 5/18 19:50 | 50.7 | ↑0.2 | |
| 5/18 20:00 | 50.9 | ↑0.2 | |
| 5/18 20:10 | 51.2 | ↑0.3 | |
| 5/18 20:20 | 51.6 | ↑0.4 | |
| 5/18 20:30 | 52.2 | ↑0.6 | |
| 5/18 20:40 | 52.8 | ↑0.6 | |
| 5/18 20:50 | 53.5 | ↑0.7 | |
| 5/18 21:00 | 54.4 | ↑0.9 | |
| 5/18 21:10 | 55.4 | ↑1.0 | |
| 5/18 21:20 | 56.6 | ↑1.2 | |
| 5/18 21:30 | 57.8 | ↑1.2 | |
| 5/18 21:40 | 59.2 | ↑1.4 | |
| 5/18 21:50 | 60.7 | ↑1.5 | |
| 5/18 22:00 | 62.4 | ↑1.7 | |
| 5/18 22:10 | 64.1 | ↑1.7 | |
| 5/18 22:20 | 66.0 | ↑1.9 | |
| 5/18 22:30 | 68.0 | ↑2.0 | |
| 5/18 22:40 | 70.1 | ↑2.1 | |
| 5/18 22:50 | 72.3 | ↑2.2 | |
| 5/18 23:00 | 74.5 | ↑2.2 | |
| 5/18 23:10 | 76.9 | ↑2.4 | |
| 5/18 23:20 | 79.3 | ↑2.4 | |
| 5/18 23:30 | 81.7 | ↑2.4 | |
| 5/18 23:40 | 84.2 | ↑2.5 | |
| 5/18 23:50 | 86.7 | ↑2.5 |