| 満潮 | 干潮 | 満潮 | 干潮 |
|
12
(月) |
05:36 | 12:52 | 20:35 | - |
| 136cm | 15cm | 110cm | - | |
|
||||
苫小牧（北海道）2031年05月12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 |
|---|---|---|---|
| 5/12 00:00 | 85.1 | ↓-0.1 | |
| 5/12 00:10 | 85.2 | ↑0.1 | |
| 5/12 00:20 | 85.6 | ↑0.4 | |
| 5/12 00:30 | 86.1 | ↑0.5 | |
| 5/12 00:40 | 86.8 | ↑0.7 | |
| 5/12 00:50 | 87.6 | ↑0.8 | |
| 5/12 01:00 | 88.6 | ↑1.0 | |
| 5/12 01:10 | 89.7 | ↑1.1 | |
| 5/12 01:20 | 90.9 | ↑1.2 | |
| 5/12 01:30 | 92.2 | ↑1.3 | |
| 5/12 01:40 | 93.6 | ↑1.4 | |
| 5/12 01:50 | 95.1 | ↑1.5 | |
| 5/12 02:00 | 96.7 | ↑1.6 | |
| 5/12 02:10 | 98.3 | ↑1.6 | |
| 5/12 02:20 | 100.1 | ↑1.8 | |
| 5/12 02:30 | 101.9 | ↑1.8 | |
| 5/12 02:40 | 103.9 | ↑2.0 | |
| 5/12 02:50 | 105.9 | ↑2.0 | |
| 5/12 03:00 | 108.0 | ↑2.1 | |
| 5/12 03:10 | 110.2 | ↑2.2 | |
| 5/12 03:20 | 112.5 | ↑2.3 | |
| 5/12 03:30 | 114.9 | ↑2.4 | |
| 5/12 03:40 | 117.2 | ↑2.3 | |
| 5/12 03:50 | 119.6 | ↑2.4 | |
| 5/12 04:00 | 121.9 | ↑2.3 | |
| 5/12 04:10 | 124.2 | ↑2.3 | |
| 5/12 04:20 | 126.3 | ↑2.1 | |
| 5/12 04:30 | 128.3 | ↑2.0 | |
| 5/12 04:40 | 130.1 | ↑1.8 | |
| 5/12 04:50 | 131.7 | ↑1.6 | |
| 5/12 05:00 | 133.0 | ↑1.3 | |
| 5/12 05:10 | 134.0 | ↑1.0 | |
| 5/12 05:20 | 134.7 | ↑0.7 | |
| 5/12 05:30 | 135.1 | ↑0.4 | 満潮 |
| 5/12 05:40 | 135.1 | 0 | |
| 5/12 05:50 | 134.7 | ↓-0.4 | |
| 5/12 06:00 | 134.0 | ↓-0.7 | |
| 5/12 06:10 | 132.9 | ↓-1.1 | |
| 5/12 06:20 | 131.5 | ↓-1.4 | |
| 5/12 06:30 | 129.7 | ↓-1.8 | |
| 5/12 06:40 | 127.7 | ↓-2.0 | |
| 5/12 06:50 | 125.4 | ↓-2.3 | |
| 5/12 07:00 | 122.9 | ↓-2.5 | |
| 5/12 07:10 | 120.2 | ↓-2.7 | |
| 5/12 07:20 | 117.3 | ↓-2.9 | |
| 5/12 07:30 | 114.2 | ↓-3.1 | |
| 5/12 07:40 | 111.1 | ↓-3.1 | |
| 5/12 07:50 | 107.7 | ↓-3.4 | |
| 5/12 08:00 | 104.3 | ↓-3.4 | |
| 5/12 08:10 | 100.8 | ↓-3.5 | |
| 5/12 08:20 | 97.2 | ↓-3.6 | |
| 5/12 08:30 | 93.5 | ↓-3.7 | |
| 5/12 08:40 | 89.7 | ↓-3.8 | |
| 5/12 08:50 | 85.9 | ↓-3.8 | |
| 5/12 09:00 | 81.9 | ↓-4.0 | |
| 5/12 09:10 | 77.9 | ↓-4.0 | |
| 5/12 09:20 | 73.8 | ↓-4.1 | |
| 5/12 09:30 | 69.7 | ↓-4.1 | |
| 5/12 09:40 | 65.5 | ↓-4.2 | 最大潮位差 |
| 5/12 09:50 | 61.3 | ↓-4.2 | 最大潮位差 |
| 5/12 10:00 | 57.1 | ↓-4.2 | 最大潮位差 |
| 5/12 10:10 | 53.0 | ↓-4.1 | |
| 5/12 10:20 | 48.9 | ↓-4.1 | |
| 5/12 10:30 | 44.8 | ↓-4.1 | |
| 5/12 10:40 | 41.0 | ↓-3.8 | |
| 5/12 10:50 | 37.3 | ↓-3.7 | |
| 5/12 11:00 | 33.8 | ↓-3.5 | |
| 5/12 11:10 | 30.5 | ↓-3.3 | |
| 5/12 11:20 | 27.5 | ↓-3.0 | |
| 5/12 11:30 | 24.8 | ↓-2.7 | |
| 5/12 11:40 | 22.4 | ↓-2.4 | |
| 5/12 11:50 | 20.3 | ↓-2.1 | |
| 5/12 12:00 | 18.6 | ↓-1.7 | |
| 5/12 12:10 | 17.2 | ↓-1.4 | |
| 5/12 12:20 | 16.1 | ↓-1.1 | |
| 5/12 12:30 | 15.4 | ↓-0.7 | |
| 5/12 12:40 | 14.9 | ↓-0.5 | |
| 5/12 12:50 | 14.8 | ↓-0.1 | 干潮 |
| 5/12 13:00 | 14.9 | ↑0.1 | |
| 5/12 13:10 | 15.2 | ↑0.3 | |
| 5/12 13:20 | 15.8 | ↑0.6 | |
| 5/12 13:30 | 16.7 | ↑0.9 | |
| 5/12 13:40 | 17.7 | ↑1.0 | |
| 5/12 13:50 | 18.9 | ↑1.2 | |
| 5/12 14:00 | 20.3 | ↑1.4 | |
| 5/12 14:10 | 21.9 | ↑1.6 | |
| 5/12 14:20 | 23.7 | ↑1.8 | |
| 5/12 14:30 | 25.6 | ↑1.9 | |
| 5/12 14:40 | 27.8 | ↑2.2 | |
| 5/12 14:50 | 30.1 | ↑2.3 | |
| 5/12 15:00 | 32.6 | ↑2.5 | |
| 5/12 15:10 | 35.3 | ↑2.7 | |
| 5/12 15:20 | 38.2 | ↑2.9 | |
| 5/12 15:30 | 41.3 | ↑3.1 | |
| 5/12 15:40 | 44.6 | ↑3.3 | |
| 5/12 15:50 | 48.0 | ↑3.4 | |
| 5/12 16:00 | 51.5 | ↑3.5 | |
| 5/12 16:10 | 55.2 | ↑3.7 | |
| 5/12 16:20 | 59.0 | ↑3.8 | |
| 5/12 16:30 | 62.8 | ↑3.8 | |
| 5/12 16:40 | 66.6 | ↑3.8 | |
| 5/12 16:50 | 70.4 | ↑3.8 | |
| 5/12 17:00 | 74.1 | ↑3.7 | |
| 5/12 17:10 | 77.8 | ↑3.7 | |
| 5/12 17:20 | 81.3 | ↑3.5 | |
| 5/12 17:30 | 84.6 | ↑3.3 | |
| 5/12 17:40 | 87.7 | ↑3.1 | |
| 5/12 17:50 | 90.7 | ↑3.0 | |
| 5/12 18:00 | 93.4 | ↑2.7 | |
| 5/12 18:10 | 95.8 | ↑2.4 | |
| 5/12 18:20 | 98.0 | ↑2.2 | |
| 5/12 18:30 | 100.0 | ↑2.0 | |
| 5/12 18:40 | 101.8 | ↑1.8 | |
| 5/12 18:50 | 103.3 | ↑1.5 | |
| 5/12 19:00 | 104.6 | ↑1.3 | |
| 5/12 19:10 | 105.7 | ↑1.1 | |
| 5/12 19:20 | 106.7 | ↑1.0 | |
| 5/12 19:30 | 107.5 | ↑0.8 | |
| 5/12 19:40 | 108.2 | ↑0.7 | |
| 5/12 19:50 | 108.7 | ↑0.5 | |
| 5/12 20:00 | 109.1 | ↑0.4 | |
| 5/12 20:10 | 109.5 | ↑0.4 | |
| 5/12 20:20 | 109.7 | ↑0.2 | |
| 5/12 20:30 | 109.8 | ↑0.1 | 満潮 |
| 5/12 20:40 | 109.8 | 0 | |
| 5/12 20:50 | 109.6 | ↓-0.2 | |
| 5/12 21:00 | 109.4 | ↓-0.2 | |
| 5/12 21:10 | 109.0 | ↓-0.4 | |
| 5/12 21:20 | 108.4 | ↓-0.6 | |
| 5/12 21:30 | 107.7 | ↓-0.7 | |
| 5/12 21:40 | 106.9 | ↓-0.8 | |
| 5/12 21:50 | 105.9 | ↓-1.0 | |
| 5/12 22:00 | 104.8 | ↓-1.1 | |
| 5/12 22:10 | 103.5 | ↓-1.3 | |
| 5/12 22:20 | 102.2 | ↓-1.3 | |
| 5/12 22:30 | 100.7 | ↓-1.5 | |
| 5/12 22:40 | 99.1 | ↓-1.6 | |
| 5/12 22:50 | 97.6 | ↓-1.5 | |
| 5/12 23:00 | 96.0 | ↓-1.6 | |
| 5/12 23:10 | 94.4 | ↓-1.6 | |
| 5/12 23:20 | 92.9 | ↓-1.5 | |
| 5/12 23:30 | 91.4 | ↓-1.5 | |
| 5/12 23:40 | 90.1 | ↓-1.3 | |
| 5/12 23:50 | 88.9 | ↓-1.2 |