| 満潮 | 干潮 | 満潮 | 干潮 |
|
21
(水) |
08:07 | 03:39 | 23:23 | 15:47 |
| 108cm | 92cm | 110cm | 42cm | |
|
||||
苫小牧（北海道）2025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 | 104.7 | ↓-0.6 | |
| 5/21 00:10 | 104.0 | ↓-0.7 | |
| 5/21 00:20 | 103.2 | ↓-0.8 | |
| 5/21 00:30 | 102.4 | ↓-0.8 | |
| 5/21 00:40 | 101.5 | ↓-0.9 | |
| 5/21 00:50 | 100.6 | ↓-0.9 | |
| 5/21 01:00 | 99.7 | ↓-0.9 | |
| 5/21 01:10 | 98.9 | ↓-0.8 | |
| 5/21 01:20 | 98.0 | ↓-0.9 | |
| 5/21 01:30 | 97.1 | ↓-0.9 | |
| 5/21 01:40 | 96.3 | ↓-0.8 | |
| 5/21 01:50 | 95.6 | ↓-0.7 | |
| 5/21 02:00 | 94.9 | ↓-0.7 | |
| 5/21 02:10 | 94.3 | ↓-0.6 | |
| 5/21 02:20 | 93.7 | ↓-0.6 | |
| 5/21 02:30 | 93.2 | ↓-0.5 | |
| 5/21 02:40 | 92.8 | ↓-0.4 | |
| 5/21 02:50 | 92.4 | ↓-0.4 | |
| 5/21 03:00 | 92.1 | ↓-0.3 | |
| 5/21 03:10 | 91.9 | ↓-0.2 | |
| 5/21 03:20 | 91.8 | ↓-0.1 | |
| 5/21 03:30 | 91.7 | ↓-0.1 | 干潮 |
| 5/21 03:40 | 91.7 | 0 | |
| 5/21 03:50 | 91.7 | 0 | |
| 5/21 04:00 | 91.8 | ↑0.1 | |
| 5/21 04:10 | 92.0 | ↑0.2 | |
| 5/21 04:20 | 92.2 | ↑0.2 | |
| 5/21 04:30 | 92.6 | ↑0.4 | |
| 5/21 04:40 | 93.0 | ↑0.4 | |
| 5/21 04:50 | 93.5 | ↑0.5 | |
| 5/21 05:00 | 94.0 | ↑0.5 | |
| 5/21 05:10 | 94.7 | ↑0.7 | |
| 5/21 05:20 | 95.4 | ↑0.7 | |
| 5/21 05:30 | 96.1 | ↑0.7 | |
| 5/21 05:40 | 97.0 | ↑0.9 | |
| 5/21 05:50 | 97.9 | ↑0.9 | |
| 5/21 06:00 | 98.8 | ↑0.9 | |
| 5/21 06:10 | 99.7 | ↑0.9 | |
| 5/21 06:20 | 100.7 | ↑1.0 | |
| 5/21 06:30 | 101.6 | ↑0.9 | |
| 5/21 06:40 | 102.6 | ↑1.0 | |
| 5/21 06:50 | 103.4 | ↑0.8 | |
| 5/21 07:00 | 104.3 | ↑0.9 | |
| 5/21 07:10 | 105.0 | ↑0.7 | |
| 5/21 07:20 | 105.7 | ↑0.7 | |
| 5/21 07:30 | 106.2 | ↑0.5 | |
| 5/21 07:40 | 106.7 | ↑0.5 | |
| 5/21 07:50 | 107.0 | ↑0.3 | |
| 5/21 08:00 | 107.1 | ↑0.1 | 満潮 |
| 5/21 08:10 | 107.1 | 0 | |
| 5/21 08:20 | 107.0 | ↓-0.1 | |
| 5/21 08:30 | 106.8 | ↓-0.2 | |
| 5/21 08:40 | 106.3 | ↓-0.5 | |
| 5/21 08:50 | 105.8 | ↓-0.5 | |
| 5/21 09:00 | 105.1 | ↓-0.7 | |
| 5/21 09:10 | 104.3 | ↓-0.8 | |
| 5/21 09:20 | 103.3 | ↓-1.0 | |
| 5/21 09:30 | 102.3 | ↓-1.0 | |
| 5/21 09:40 | 101.1 | ↓-1.2 | |
| 5/21 09:50 | 99.8 | ↓-1.3 | |
| 5/21 10:00 | 98.4 | ↓-1.4 | |
| 5/21 10:10 | 97.0 | ↓-1.4 | |
| 5/21 10:20 | 95.4 | ↓-1.6 | |
| 5/21 10:30 | 93.8 | ↓-1.6 | |
| 5/21 10:40 | 92.1 | ↓-1.7 | |
| 5/21 10:50 | 90.3 | ↓-1.8 | |
| 5/21 11:00 | 88.4 | ↓-1.9 | |
| 5/21 11:10 | 86.4 | ↓-2.0 | |
| 5/21 11:20 | 84.4 | ↓-2.0 | |
| 5/21 11:30 | 82.4 | ↓-2.0 | |
| 5/21 11:40 | 80.2 | ↓-2.2 | |
| 5/21 11:50 | 78.1 | ↓-2.1 | |
| 5/21 12:00 | 75.9 | ↓-2.2 | |
| 5/21 12:10 | 73.6 | ↓-2.3 | |
| 5/21 12:20 | 71.3 | ↓-2.3 | |
| 5/21 12:30 | 69.1 | ↓-2.2 | |
| 5/21 12:40 | 66.8 | ↓-2.3 | |
| 5/21 12:50 | 64.5 | ↓-2.3 | |
| 5/21 13:00 | 62.3 | ↓-2.2 | |
| 5/21 13:10 | 60.2 | ↓-2.1 | |
| 5/21 13:20 | 58.1 | ↓-2.1 | |
| 5/21 13:30 | 56.1 | ↓-2.0 | |
| 5/21 13:40 | 54.2 | ↓-1.9 | |
| 5/21 13:50 | 52.4 | ↓-1.8 | |
| 5/21 14:00 | 50.7 | ↓-1.7 | |
| 5/21 14:10 | 49.1 | ↓-1.6 | |
| 5/21 14:20 | 47.7 | ↓-1.4 | |
| 5/21 14:30 | 46.4 | ↓-1.3 | |
| 5/21 14:40 | 45.3 | ↓-1.1 | |
| 5/21 14:50 | 44.3 | ↓-1.0 | |
| 5/21 15:00 | 43.5 | ↓-0.8 | |
| 5/21 15:10 | 42.9 | ↓-0.6 | |
| 5/21 15:20 | 42.4 | ↓-0.5 | |
| 5/21 15:30 | 42.0 | ↓-0.4 | |
| 5/21 15:40 | 41.8 | ↓-0.2 | 干潮 |
| 5/21 15:50 | 41.8 | 0 | |
| 5/21 16:00 | 42.0 | ↑0.2 | |
| 5/21 16:10 | 42.3 | ↑0.3 | |
| 5/21 16:20 | 42.7 | ↑0.4 | |
| 5/21 16:30 | 43.3 | ↑0.6 | |
| 5/21 16:40 | 44.1 | ↑0.8 | |
| 5/21 16:50 | 45.1 | ↑1.0 | |
| 5/21 17:00 | 46.1 | ↑1.0 | |
| 5/21 17:10 | 47.4 | ↑1.3 | |
| 5/21 17:20 | 48.8 | ↑1.4 | |
| 5/21 17:30 | 50.4 | ↑1.6 | |
| 5/21 17:40 | 52.1 | ↑1.7 | |
| 5/21 17:50 | 53.9 | ↑1.8 | |
| 5/21 18:00 | 55.9 | ↑2.0 | |
| 5/21 18:10 | 57.9 | ↑2.0 | |
| 5/21 18:20 | 60.1 | ↑2.2 | |
| 5/21 18:30 | 62.4 | ↑2.3 | |
| 5/21 18:40 | 64.7 | ↑2.3 | |
| 5/21 18:50 | 67.1 | ↑2.4 | |
| 5/21 19:00 | 69.6 | ↑2.5 | 最大潮位差 |
| 5/21 19:10 | 72.1 | ↑2.5 | 最大潮位差 |
| 5/21 19:20 | 74.6 | ↑2.5 | 最大潮位差 |
| 5/21 19:30 | 77.0 | ↑2.4 | |
| 5/21 19:40 | 79.5 | ↑2.5 | 最大潮位差 |
| 5/21 19:50 | 81.9 | ↑2.4 | |
| 5/21 20:00 | 84.2 | ↑2.3 | |
| 5/21 20:10 | 86.5 | ↑2.3 | |
| 5/21 20:20 | 88.7 | ↑2.2 | |
| 5/21 20:30 | 90.8 | ↑2.1 | |
| 5/21 20:40 | 92.9 | ↑2.1 | |
| 5/21 20:50 | 94.8 | ↑1.9 | |
| 5/21 21:00 | 96.6 | ↑1.8 | |
| 5/21 21:10 | 98.3 | ↑1.7 | |
| 5/21 21:20 | 99.8 | ↑1.5 | |
| 5/21 21:30 | 101.3 | ↑1.5 | |
| 5/21 21:40 | 102.6 | ↑1.3 | |
| 5/21 21:50 | 103.9 | ↑1.3 | |
| 5/21 22:00 | 105.0 | ↑1.1 | |
| 5/21 22:10 | 105.9 | ↑0.9 | |
| 5/21 22:20 | 106.8 | ↑0.9 | |
| 5/21 22:30 | 107.5 | ↑0.7 | |
| 5/21 22:40 | 108.1 | ↑0.6 | |
| 5/21 22:50 | 108.6 | ↑0.5 | |
| 5/21 23:00 | 109.0 | ↑0.4 | |
| 5/21 23:10 | 109.2 | ↑0.2 | |
| 5/21 23:20 | 109.3 | ↑0.1 | 満潮 |
| 5/21 23:30 | 109.2 | ↓-0.1 | |
| 5/21 23:40 | 109.1 | ↓-0.1 | |
| 5/21 23:50 | 108.8 | ↓-0.3 |