| 満潮 | 干潮 | 満潮 | 干潮 |
|
4
(日) |
01:34 | 08:23 | 15:01 | 20:19 |
| 126cm | 17cm | 124cm | 70cm | |
|
||||
苫小牧（北海道）2008年05月4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 |
|---|---|---|---|
| 5/4 00:00 | 112.8 | ↑2.6 | |
| 5/4 00:10 | 115.2 | ↑2.4 | |
| 5/4 00:20 | 117.3 | ↑2.1 | |
| 5/4 00:30 | 119.3 | ↑2.0 | |
| 5/4 00:40 | 121.0 | ↑1.7 | |
| 5/4 00:50 | 122.5 | ↑1.5 | |
| 5/4 01:00 | 123.6 | ↑1.1 | |
| 5/4 01:10 | 124.5 | ↑0.9 | |
| 5/4 01:20 | 125.0 | ↑0.5 | |
| 5/4 01:30 | 125.3 | ↑0.3 | 満潮 |
| 5/4 01:40 | 125.2 | ↓-0.1 | |
| 5/4 01:50 | 124.8 | ↓-0.4 | |
| 5/4 02:00 | 124.2 | ↓-0.6 | |
| 5/4 02:10 | 123.2 | ↓-1.0 | |
| 5/4 02:20 | 122.0 | ↓-1.2 | |
| 5/4 02:30 | 120.6 | ↓-1.4 | |
| 5/4 02:40 | 118.9 | ↓-1.7 | |
| 5/4 02:50 | 117.0 | ↓-1.9 | |
| 5/4 03:00 | 114.8 | ↓-2.2 | |
| 5/4 03:10 | 112.5 | ↓-2.3 | |
| 5/4 03:20 | 109.9 | ↓-2.6 | |
| 5/4 03:30 | 107.2 | ↓-2.7 | |
| 5/4 03:40 | 104.3 | ↓-2.9 | |
| 5/4 03:50 | 101.2 | ↓-3.1 | |
| 5/4 04:00 | 98.0 | ↓-3.2 | |
| 5/4 04:10 | 94.6 | ↓-3.4 | |
| 5/4 04:20 | 91.0 | ↓-3.6 | |
| 5/4 04:30 | 87.3 | ↓-3.7 | |
| 5/4 04:40 | 83.4 | ↓-3.9 | |
| 5/4 04:50 | 79.4 | ↓-4.0 | |
| 5/4 05:00 | 75.3 | ↓-4.1 | |
| 5/4 05:10 | 71.1 | ↓-4.2 | |
| 5/4 05:20 | 66.9 | ↓-4.2 | |
| 5/4 05:30 | 62.6 | ↓-4.3 | |
| 5/4 05:40 | 58.3 | ↓-4.3 | |
| 5/4 05:50 | 54.0 | ↓-4.3 | |
| 5/4 06:00 | 49.8 | ↓-4.2 | |
| 5/4 06:10 | 45.7 | ↓-4.1 | |
| 5/4 06:20 | 41.8 | ↓-3.9 | |
| 5/4 06:30 | 38.1 | ↓-3.7 | |
| 5/4 06:40 | 34.6 | ↓-3.5 | |
| 5/4 06:50 | 31.3 | ↓-3.3 | |
| 5/4 07:00 | 28.3 | ↓-3.0 | |
| 5/4 07:10 | 25.7 | ↓-2.6 | |
| 5/4 07:20 | 23.3 | ↓-2.4 | |
| 5/4 07:30 | 21.3 | ↓-2.0 | |
| 5/4 07:40 | 19.7 | ↓-1.6 | |
| 5/4 07:50 | 18.4 | ↓-1.3 | |
| 5/4 08:00 | 17.5 | ↓-0.9 | |
| 5/4 08:10 | 16.9 | ↓-0.6 | |
| 5/4 08:20 | 16.7 | ↓-0.2 | 干潮 |
| 5/4 08:30 | 16.8 | ↑0.1 | |
| 5/4 08:40 | 17.2 | ↑0.4 | |
| 5/4 08:50 | 18.0 | ↑0.8 | |
| 5/4 09:00 | 19.0 | ↑1.0 | |
| 5/4 09:10 | 20.3 | ↑1.3 | |
| 5/4 09:20 | 21.9 | ↑1.6 | |
| 5/4 09:30 | 23.8 | ↑1.9 | |
| 5/4 09:40 | 25.9 | ↑2.1 | |
| 5/4 09:50 | 28.3 | ↑2.4 | |
| 5/4 10:00 | 30.9 | ↑2.6 | |
| 5/4 10:10 | 33.8 | ↑2.9 | |
| 5/4 10:20 | 36.9 | ↑3.1 | |
| 5/4 10:30 | 40.3 | ↑3.4 | |
| 5/4 10:40 | 43.8 | ↑3.5 | |
| 5/4 10:50 | 47.6 | ↑3.8 | |
| 5/4 11:00 | 51.6 | ↑4.0 | |
| 5/4 11:10 | 55.7 | ↑4.1 | |
| 5/4 11:20 | 60.0 | ↑4.3 | |
| 5/4 11:30 | 64.3 | ↑4.3 | |
| 5/4 11:40 | 68.8 | ↑4.5 | 最大潮位差 |
| 5/4 11:50 | 73.3 | ↑4.5 | 最大潮位差 |
| 5/4 12:00 | 77.8 | ↑4.5 | 最大潮位差 |
| 5/4 12:10 | 82.3 | ↑4.5 | 最大潮位差 |
| 5/4 12:20 | 86.7 | ↑4.4 | |
| 5/4 12:30 | 91.0 | ↑4.3 | |
| 5/4 12:40 | 95.1 | ↑4.1 | |
| 5/4 12:50 | 99.0 | ↑3.9 | |
| 5/4 13:00 | 102.7 | ↑3.7 | |
| 5/4 13:10 | 106.1 | ↑3.4 | |
| 5/4 13:20 | 109.3 | ↑3.2 | |
| 5/4 13:30 | 112.1 | ↑2.8 | |
| 5/4 13:40 | 114.6 | ↑2.5 | |
| 5/4 13:50 | 116.8 | ↑2.2 | |
| 5/4 14:00 | 118.7 | ↑1.9 | |
| 5/4 14:10 | 120.3 | ↑1.6 | |
| 5/4 14:20 | 121.5 | ↑1.2 | |
| 5/4 14:30 | 122.5 | ↑1.0 | |
| 5/4 14:40 | 123.1 | ↑0.6 | |
| 5/4 14:50 | 123.5 | ↑0.4 | |
| 5/4 15:00 | 123.6 | ↑0.1 | 満潮 |
| 5/4 15:10 | 123.5 | ↓-0.1 | |
| 5/4 15:20 | 123.1 | ↓-0.4 | |
| 5/4 15:30 | 122.5 | ↓-0.6 | |
| 5/4 15:40 | 121.8 | ↓-0.7 | |
| 5/4 15:50 | 120.8 | ↓-1.0 | |
| 5/4 16:00 | 119.6 | ↓-1.2 | |
| 5/4 16:10 | 118.2 | ↓-1.4 | |
| 5/4 16:20 | 116.7 | ↓-1.5 | |
| 5/4 16:30 | 114.9 | ↓-1.8 | |
| 5/4 16:40 | 113.0 | ↓-1.9 | |
| 5/4 16:50 | 111.0 | ↓-2.0 | |
| 5/4 17:00 | 108.7 | ↓-2.3 | |
| 5/4 17:10 | 106.4 | ↓-2.3 | |
| 5/4 17:20 | 103.8 | ↓-2.6 | |
| 5/4 17:30 | 101.2 | ↓-2.6 | |
| 5/4 17:40 | 98.5 | ↓-2.7 | |
| 5/4 17:50 | 95.8 | ↓-2.7 | |
| 5/4 18:00 | 93.0 | ↓-2.8 | |
| 5/4 18:10 | 90.2 | ↓-2.8 | |
| 5/4 18:20 | 87.5 | ↓-2.7 | |
| 5/4 18:30 | 84.8 | ↓-2.7 | |
| 5/4 18:40 | 82.3 | ↓-2.5 | |
| 5/4 18:50 | 79.9 | ↓-2.4 | |
| 5/4 19:00 | 77.7 | ↓-2.2 | |
| 5/4 19:10 | 75.7 | ↓-2.0 | |
| 5/4 19:20 | 74.0 | ↓-1.7 | |
| 5/4 19:30 | 72.5 | ↓-1.5 | |
| 5/4 19:40 | 71.3 | ↓-1.2 | |
| 5/4 19:50 | 70.4 | ↓-0.9 | |
| 5/4 20:00 | 69.7 | ↓-0.7 | |
| 5/4 20:10 | 69.4 | ↓-0.3 | 干潮 |
| 5/4 20:20 | 69.3 | ↓-0.1 | |
| 5/4 20:30 | 69.5 | ↑0.2 | |
| 5/4 20:40 | 70.0 | ↑0.5 | |
| 5/4 20:50 | 70.6 | ↑0.6 | |
| 5/4 21:00 | 71.5 | ↑0.9 | |
| 5/4 21:10 | 72.7 | ↑1.2 | |
| 5/4 21:20 | 73.9 | ↑1.2 | |
| 5/4 21:30 | 75.4 | ↑1.5 | |
| 5/4 21:40 | 77.0 | ↑1.6 | |
| 5/4 21:50 | 78.8 | ↑1.8 | |
| 5/4 22:00 | 80.7 | ↑1.9 | |
| 5/4 22:10 | 82.7 | ↑2.0 | |
| 5/4 22:20 | 84.9 | ↑2.2 | |
| 5/4 22:30 | 87.2 | ↑2.3 | |
| 5/4 22:40 | 89.5 | ↑2.3 | |
| 5/4 22:50 | 92.0 | ↑2.5 | |
| 5/4 23:00 | 94.7 | ↑2.7 | |
| 5/4 23:10 | 97.4 | ↑2.7 | |
| 5/4 23:20 | 100.1 | ↑2.7 | |
| 5/4 23:30 | 103.0 | ↑2.9 | |
| 5/4 23:40 | 105.9 | ↑2.9 | |
| 5/4 23:50 | 108.8 | ↑2.9 |