| 満潮 | 干潮 | 満潮 | 干潮 |
|
12
(日) |
09:46 | 04:37 | 23:17 | 16:39 |
| 98cm | 78cm | 111cm | 52cm | |
|
||||
苫小牧（北海道）2030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 | 102.1 | ↓-0.9 | |
| 5/12 00:10 | 101.1 | ↓-1.0 | |
| 5/12 00:20 | 100.1 | ↓-1.0 | |
| 5/12 00:30 | 99.0 | ↓-1.1 | |
| 5/12 00:40 | 97.8 | ↓-1.2 | |
| 5/12 00:50 | 96.5 | ↓-1.3 | |
| 5/12 01:00 | 95.3 | ↓-1.2 | |
| 5/12 01:10 | 94.0 | ↓-1.3 | |
| 5/12 01:20 | 92.7 | ↓-1.3 | |
| 5/12 01:30 | 91.3 | ↓-1.4 | |
| 5/12 01:40 | 90.0 | ↓-1.3 | |
| 5/12 01:50 | 88.7 | ↓-1.3 | |
| 5/12 02:00 | 87.5 | ↓-1.2 | |
| 5/12 02:10 | 86.3 | ↓-1.2 | |
| 5/12 02:20 | 85.1 | ↓-1.2 | |
| 5/12 02:30 | 84.0 | ↓-1.1 | |
| 5/12 02:40 | 83.0 | ↓-1.0 | |
| 5/12 02:50 | 82.0 | ↓-1.0 | |
| 5/12 03:00 | 81.1 | ↓-0.9 | |
| 5/12 03:10 | 80.3 | ↓-0.8 | |
| 5/12 03:20 | 79.6 | ↓-0.7 | |
| 5/12 03:30 | 79.0 | ↓-0.6 | |
| 5/12 03:40 | 78.4 | ↓-0.6 | |
| 5/12 03:50 | 78.0 | ↓-0.4 | |
| 5/12 04:00 | 77.6 | ↓-0.4 | |
| 5/12 04:10 | 77.3 | ↓-0.3 | |
| 5/12 04:20 | 77.1 | ↓-0.2 | |
| 5/12 04:30 | 77.0 | ↓-0.1 | 干潮 |
| 5/12 04:40 | 77.0 | 0 | |
| 5/12 04:50 | 77.1 | ↑0.1 | |
| 5/12 05:00 | 77.3 | ↑0.2 | |
| 5/12 05:10 | 77.6 | ↑0.3 | |
| 5/12 05:20 | 77.9 | ↑0.3 | |
| 5/12 05:30 | 78.4 | ↑0.5 | |
| 5/12 05:40 | 78.9 | ↑0.5 | |
| 5/12 05:50 | 79.5 | ↑0.6 | |
| 5/12 06:00 | 80.3 | ↑0.8 | |
| 5/12 06:10 | 81.0 | ↑0.7 | |
| 5/12 06:20 | 81.9 | ↑0.9 | |
| 5/12 06:30 | 82.8 | ↑0.9 | |
| 5/12 06:40 | 83.8 | ↑1.0 | |
| 5/12 06:50 | 84.8 | ↑1.0 | |
| 5/12 07:00 | 85.8 | ↑1.0 | |
| 5/12 07:10 | 86.9 | ↑1.1 | |
| 5/12 07:20 | 87.9 | ↑1.0 | |
| 5/12 07:30 | 89.0 | ↑1.1 | |
| 5/12 07:40 | 90.0 | ↑1.0 | |
| 5/12 07:50 | 91.0 | ↑1.0 | |
| 5/12 08:00 | 91.9 | ↑0.9 | |
| 5/12 08:10 | 92.8 | ↑0.9 | |
| 5/12 08:20 | 93.7 | ↑0.9 | |
| 5/12 08:30 | 94.4 | ↑0.7 | |
| 5/12 08:40 | 95.1 | ↑0.7 | |
| 5/12 08:50 | 95.7 | ↑0.6 | |
| 5/12 09:00 | 96.2 | ↑0.5 | |
| 5/12 09:10 | 96.6 | ↑0.4 | |
| 5/12 09:20 | 96.9 | ↑0.3 | |
| 5/12 09:30 | 97.1 | ↑0.2 | |
| 5/12 09:40 | 97.2 | ↑0.1 | 満潮 |
| 5/12 09:50 | 97.2 | 0 | |
| 5/12 10:00 | 97.1 | ↓-0.1 | |
| 5/12 10:10 | 96.9 | ↓-0.2 | |
| 5/12 10:20 | 96.6 | ↓-0.3 | |
| 5/12 10:30 | 96.2 | ↓-0.4 | |
| 5/12 10:40 | 95.7 | ↓-0.5 | |
| 5/12 10:50 | 95.2 | ↓-0.5 | |
| 5/12 11:00 | 94.5 | ↓-0.7 | |
| 5/12 11:10 | 93.7 | ↓-0.8 | |
| 5/12 11:20 | 92.8 | ↓-0.9 | |
| 5/12 11:30 | 91.9 | ↓-0.9 | |
| 5/12 11:40 | 90.8 | ↓-1.1 | |
| 5/12 11:50 | 89.7 | ↓-1.1 | |
| 5/12 12:00 | 88.5 | ↓-1.2 | |
| 5/12 12:10 | 87.2 | ↓-1.3 | |
| 5/12 12:20 | 85.8 | ↓-1.4 | |
| 5/12 12:30 | 84.3 | ↓-1.5 | |
| 5/12 12:40 | 82.8 | ↓-1.5 | |
| 5/12 12:50 | 81.2 | ↓-1.6 | |
| 5/12 13:00 | 79.5 | ↓-1.7 | |
| 5/12 13:10 | 77.8 | ↓-1.7 | |
| 5/12 13:20 | 76.1 | ↓-1.7 | |
| 5/12 13:30 | 74.3 | ↓-1.8 | |
| 5/12 13:40 | 72.6 | ↓-1.7 | |
| 5/12 13:50 | 70.8 | ↓-1.8 | |
| 5/12 14:00 | 69.0 | ↓-1.8 | |
| 5/12 14:10 | 67.3 | ↓-1.7 | |
| 5/12 14:20 | 65.6 | ↓-1.7 | |
| 5/12 14:30 | 63.9 | ↓-1.7 | |
| 5/12 14:40 | 62.3 | ↓-1.6 | |
| 5/12 14:50 | 60.8 | ↓-1.5 | |
| 5/12 15:00 | 59.4 | ↓-1.4 | |
| 5/12 15:10 | 58.0 | ↓-1.4 | |
| 5/12 15:20 | 56.8 | ↓-1.2 | |
| 5/12 15:30 | 55.7 | ↓-1.1 | |
| 5/12 15:40 | 54.7 | ↓-1.0 | |
| 5/12 15:50 | 53.9 | ↓-0.8 | |
| 5/12 16:00 | 53.2 | ↓-0.7 | |
| 5/12 16:10 | 52.7 | ↓-0.5 | |
| 5/12 16:20 | 52.3 | ↓-0.4 | |
| 5/12 16:30 | 52.1 | ↓-0.2 | 干潮 |
| 5/12 16:40 | 52.0 | ↓-0.1 | |
| 5/12 16:50 | 52.1 | ↑0.1 | |
| 5/12 17:00 | 52.4 | ↑0.3 | |
| 5/12 17:10 | 52.9 | ↑0.5 | |
| 5/12 17:20 | 53.5 | ↑0.6 | |
| 5/12 17:30 | 54.4 | ↑0.9 | |
| 5/12 17:40 | 55.4 | ↑1.0 | |
| 5/12 17:50 | 56.5 | ↑1.1 | |
| 5/12 18:00 | 57.8 | ↑1.3 | |
| 5/12 18:10 | 59.3 | ↑1.5 | |
| 5/12 18:20 | 60.9 | ↑1.6 | |
| 5/12 18:30 | 62.7 | ↑1.8 | |
| 5/12 18:40 | 64.6 | ↑1.9 | |
| 5/12 18:50 | 66.6 | ↑2.0 | |
| 5/12 19:00 | 68.7 | ↑2.1 | |
| 5/12 19:10 | 70.8 | ↑2.1 | |
| 5/12 19:20 | 73.1 | ↑2.3 | |
| 5/12 19:30 | 75.4 | ↑2.3 | |
| 5/12 19:40 | 77.7 | ↑2.3 | |
| 5/12 19:50 | 80.1 | ↑2.4 | 最大潮位差 |
| 5/12 20:00 | 82.5 | ↑2.4 | 最大潮位差 |
| 5/12 20:10 | 84.8 | ↑2.3 | |
| 5/12 20:20 | 87.1 | ↑2.3 | |
| 5/12 20:30 | 89.4 | ↑2.3 | |
| 5/12 20:40 | 91.6 | ↑2.2 | |
| 5/12 20:50 | 93.8 | ↑2.2 | |
| 5/12 21:00 | 95.8 | ↑2.0 | |
| 5/12 21:10 | 97.8 | ↑2.0 | |
| 5/12 21:20 | 99.6 | ↑1.8 | |
| 5/12 21:30 | 101.3 | ↑1.7 | |
| 5/12 21:40 | 102.9 | ↑1.6 | |
| 5/12 21:50 | 104.4 | ↑1.5 | |
| 5/12 22:00 | 105.7 | ↑1.3 | |
| 5/12 22:10 | 106.8 | ↑1.1 | |
| 5/12 22:20 | 107.8 | ↑1.0 | |
| 5/12 22:30 | 108.6 | ↑0.8 | |
| 5/12 22:40 | 109.3 | ↑0.7 | |
| 5/12 22:50 | 109.8 | ↑0.5 | |
| 5/12 23:00 | 110.1 | ↑0.3 | |
| 5/12 23:10 | 110.3 | ↑0.2 | 満潮 |
| 5/12 23:20 | 110.3 | 0 | |
| 5/12 23:30 | 110.2 | ↓-0.1 | |
| 5/12 23:40 | 109.9 | ↓-0.3 | |
| 5/12 23:50 | 109.4 | ↓-0.5 |