| 満潮 | 干潮 | 満潮 | 干潮 |
|
12
(月) |
06:44 | 01:09 | 22:31 | 14:51 |
| 120cm | 94cm | 105cm | 35cm | |
|
||||
苫小牧（北海道）2008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 | 95.9 | ↓-0.8 | |
| 5/12 00:10 | 95.2 | ↓-0.7 | |
| 5/12 00:20 | 94.6 | ↓-0.6 | |
| 5/12 00:30 | 94.1 | ↓-0.5 | |
| 5/12 00:40 | 93.8 | ↓-0.3 | |
| 5/12 00:50 | 93.5 | ↓-0.3 | |
| 5/12 01:00 | 93.4 | ↓-0.1 | 干潮 |
| 5/12 01:10 | 93.3 | ↓-0.1 | |
| 5/12 01:20 | 93.4 | ↑0.1 | |
| 5/12 01:30 | 93.6 | ↑0.2 | |
| 5/12 01:40 | 93.8 | ↑0.2 | |
| 5/12 01:50 | 94.1 | ↑0.3 | |
| 5/12 02:00 | 94.5 | ↑0.4 | |
| 5/12 02:10 | 95.0 | ↑0.5 | |
| 5/12 02:20 | 95.5 | ↑0.5 | |
| 5/12 02:30 | 96.0 | ↑0.5 | |
| 5/12 02:40 | 96.6 | ↑0.6 | |
| 5/12 02:50 | 97.2 | ↑0.6 | |
| 5/12 03:00 | 97.9 | ↑0.7 | |
| 5/12 03:10 | 98.6 | ↑0.7 | |
| 5/12 03:20 | 99.4 | ↑0.8 | |
| 5/12 03:30 | 100.2 | ↑0.8 | |
| 5/12 03:40 | 101.1 | ↑0.9 | |
| 5/12 03:50 | 102.1 | ↑1.0 | |
| 5/12 04:00 | 103.2 | ↑1.1 | |
| 5/12 04:10 | 104.3 | ↑1.1 | |
| 5/12 04:20 | 105.5 | ↑1.2 | |
| 5/12 04:30 | 106.7 | ↑1.2 | |
| 5/12 04:40 | 108.0 | ↑1.3 | |
| 5/12 04:50 | 109.3 | ↑1.3 | |
| 5/12 05:00 | 110.6 | ↑1.3 | |
| 5/12 05:10 | 111.9 | ↑1.3 | |
| 5/12 05:20 | 113.2 | ↑1.3 | |
| 5/12 05:30 | 114.4 | ↑1.2 | |
| 5/12 05:40 | 115.6 | ↑1.2 | |
| 5/12 05:50 | 116.6 | ↑1.0 | |
| 5/12 06:00 | 117.4 | ↑0.8 | |
| 5/12 06:10 | 118.2 | ↑0.8 | |
| 5/12 06:20 | 118.7 | ↑0.5 | |
| 5/12 06:30 | 119.1 | ↑0.4 | |
| 5/12 06:40 | 119.2 | ↑0.1 | 満潮 |
| 5/12 06:50 | 119.2 | 0 | |
| 5/12 07:00 | 118.9 | ↓-0.3 | |
| 5/12 07:10 | 118.5 | ↓-0.4 | |
| 5/12 07:20 | 117.8 | ↓-0.7 | |
| 5/12 07:30 | 117.0 | ↓-0.8 | |
| 5/12 07:40 | 116.0 | ↓-1.0 | |
| 5/12 07:50 | 114.9 | ↓-1.1 | |
| 5/12 08:00 | 113.6 | ↓-1.3 | |
| 5/12 08:10 | 112.2 | ↓-1.4 | |
| 5/12 08:20 | 110.7 | ↓-1.5 | |
| 5/12 08:30 | 109.1 | ↓-1.6 | |
| 5/12 08:40 | 107.5 | ↓-1.6 | |
| 5/12 08:50 | 105.7 | ↓-1.8 | |
| 5/12 09:00 | 103.9 | ↓-1.8 | |
| 5/12 09:10 | 102.0 | ↓-1.9 | |
| 5/12 09:20 | 100.0 | ↓-2.0 | |
| 5/12 09:30 | 97.9 | ↓-2.1 | |
| 5/12 09:40 | 95.7 | ↓-2.2 | |
| 5/12 09:50 | 93.5 | ↓-2.2 | |
| 5/12 10:00 | 91.2 | ↓-2.3 | |
| 5/12 10:10 | 88.8 | ↓-2.4 | |
| 5/12 10:20 | 86.2 | ↓-2.6 | |
| 5/12 10:30 | 83.6 | ↓-2.6 | |
| 5/12 10:40 | 81.0 | ↓-2.6 | |
| 5/12 10:50 | 78.2 | ↓-2.8 | |
| 5/12 11:00 | 75.4 | ↓-2.8 | |
| 5/12 11:10 | 72.5 | ↓-2.9 | 最大潮位差 |
| 5/12 11:20 | 69.6 | ↓-2.9 | 最大潮位差 |
| 5/12 11:30 | 66.7 | ↓-2.9 | 最大潮位差 |
| 5/12 11:40 | 63.9 | ↓-2.8 | |
| 5/12 11:50 | 61.0 | ↓-2.9 | 最大潮位差 |
| 5/12 12:00 | 58.2 | ↓-2.8 | |
| 5/12 12:10 | 55.6 | ↓-2.6 | |
| 5/12 12:20 | 53.0 | ↓-2.6 | |
| 5/12 12:30 | 50.6 | ↓-2.4 | |
| 5/12 12:40 | 48.3 | ↓-2.3 | |
| 5/12 12:50 | 46.1 | ↓-2.2 | |
| 5/12 13:00 | 44.2 | ↓-1.9 | |
| 5/12 13:10 | 42.4 | ↓-1.8 | |
| 5/12 13:20 | 40.8 | ↓-1.6 | |
| 5/12 13:30 | 39.3 | ↓-1.5 | |
| 5/12 13:40 | 38.1 | ↓-1.2 | |
| 5/12 13:50 | 37.0 | ↓-1.1 | |
| 5/12 14:00 | 36.1 | ↓-0.9 | |
| 5/12 14:10 | 35.4 | ↓-0.7 | |
| 5/12 14:20 | 34.8 | ↓-0.6 | |
| 5/12 14:30 | 34.4 | ↓-0.4 | |
| 5/12 14:40 | 34.2 | ↓-0.2 | |
| 5/12 14:50 | 34.1 | ↓-0.1 | 干潮 |
| 5/12 15:00 | 34.2 | ↑0.1 | |
| 5/12 15:10 | 34.4 | ↑0.2 | |
| 5/12 15:20 | 34.8 | ↑0.4 | |
| 5/12 15:30 | 35.4 | ↑0.6 | |
| 5/12 15:40 | 36.1 | ↑0.7 | |
| 5/12 15:50 | 37.1 | ↑1.0 | |
| 5/12 16:00 | 38.2 | ↑1.1 | |
| 5/12 16:10 | 39.5 | ↑1.3 | |
| 5/12 16:20 | 41.1 | ↑1.6 | |
| 5/12 16:30 | 42.8 | ↑1.7 | |
| 5/12 16:40 | 44.7 | ↑1.9 | |
| 5/12 16:50 | 46.8 | ↑2.1 | |
| 5/12 17:00 | 49.0 | ↑2.2 | |
| 5/12 17:10 | 51.4 | ↑2.4 | |
| 5/12 17:20 | 53.9 | ↑2.5 | |
| 5/12 17:30 | 56.5 | ↑2.6 | |
| 5/12 17:40 | 59.2 | ↑2.7 | |
| 5/12 17:50 | 62.0 | ↑2.8 | |
| 5/12 18:00 | 64.8 | ↑2.8 | |
| 5/12 18:10 | 67.5 | ↑2.7 | |
| 5/12 18:20 | 70.3 | ↑2.8 | |
| 5/12 18:30 | 73.0 | ↑2.7 | |
| 5/12 18:40 | 75.6 | ↑2.6 | |
| 5/12 18:50 | 78.1 | ↑2.5 | |
| 5/12 19:00 | 80.5 | ↑2.4 | |
| 5/12 19:10 | 82.8 | ↑2.3 | |
| 5/12 19:20 | 85.0 | ↑2.2 | |
| 5/12 19:30 | 87.0 | ↑2.0 | |
| 5/12 19:40 | 89.0 | ↑2.0 | |
| 5/12 19:50 | 90.7 | ↑1.7 | |
| 5/12 20:00 | 92.4 | ↑1.7 | |
| 5/12 20:10 | 93.9 | ↑1.5 | |
| 5/12 20:20 | 95.4 | ↑1.5 | |
| 5/12 20:30 | 96.7 | ↑1.3 | |
| 5/12 20:40 | 97.9 | ↑1.2 | |
| 5/12 20:50 | 99.1 | ↑1.2 | |
| 5/12 21:00 | 100.1 | ↑1.0 | |
| 5/12 21:10 | 101.1 | ↑1.0 | |
| 5/12 21:20 | 101.9 | ↑0.8 | |
| 5/12 21:30 | 102.7 | ↑0.8 | |
| 5/12 21:40 | 103.4 | ↑0.7 | |
| 5/12 21:50 | 103.9 | ↑0.5 | |
| 5/12 22:00 | 104.4 | ↑0.5 | |
| 5/12 22:10 | 104.7 | ↑0.3 | |
| 5/12 22:20 | 104.9 | ↑0.2 | |
| 5/12 22:30 | 105.0 | ↑0.1 | 満潮 |
| 5/12 22:40 | 104.9 | ↓-0.1 | |
| 5/12 22:50 | 104.7 | ↓-0.2 | |
| 5/12 23:00 | 104.4 | ↓-0.3 | |
| 5/12 23:10 | 103.9 | ↓-0.5 | |
| 5/12 23:20 | 103.3 | ↓-0.6 | |
| 5/12 23:30 | 102.7 | ↓-0.6 | |
| 5/12 23:40 | 101.9 | ↓-0.8 | |
| 5/12 23:50 | 101.0 | ↓-0.9 |