| 満潮 | 干潮 | 満潮 | 干潮 |
|
20
(月) |
11:47 | 04:00 | 21:01 | 14:31 |
| 101cm | 50cm | 140cm | 97cm | |
|
||||
苫小牧（北海道）2048年07月20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 |
|---|---|---|---|
| 7/20 00:00 | 93.6 | ↓-3.0 | |
| 7/20 00:10 | 90.5 | ↓-3.1 | 最大潮位差 |
| 7/20 00:20 | 87.5 | ↓-3.0 | |
| 7/20 00:30 | 84.4 | ↓-3.1 | 最大潮位差 |
| 7/20 00:40 | 81.5 | ↓-2.9 | |
| 7/20 00:50 | 78.5 | ↓-3.0 | |
| 7/20 01:00 | 75.7 | ↓-2.8 | |
| 7/20 01:10 | 72.9 | ↓-2.8 | |
| 7/20 01:20 | 70.2 | ↓-2.7 | |
| 7/20 01:30 | 67.7 | ↓-2.5 | |
| 7/20 01:40 | 65.3 | ↓-2.4 | |
| 7/20 01:50 | 63.0 | ↓-2.3 | |
| 7/20 02:00 | 60.9 | ↓-2.1 | |
| 7/20 02:10 | 59.0 | ↓-1.9 | |
| 7/20 02:20 | 57.2 | ↓-1.8 | |
| 7/20 02:30 | 55.6 | ↓-1.6 | |
| 7/20 02:40 | 54.2 | ↓-1.4 | |
| 7/20 02:50 | 53.0 | ↓-1.2 | |
| 7/20 03:00 | 51.9 | ↓-1.1 | |
| 7/20 03:10 | 51.1 | ↓-0.8 | |
| 7/20 03:20 | 50.4 | ↓-0.7 | |
| 7/20 03:30 | 49.8 | ↓-0.6 | |
| 7/20 03:40 | 49.4 | ↓-0.4 | |
| 7/20 03:50 | 49.2 | ↓-0.2 | 干潮 |
| 7/20 04:00 | 49.1 | ↓-0.1 | 干潮 |
| 7/20 04:10 | 49.2 | ↑0.1 | |
| 7/20 04:20 | 49.5 | ↑0.3 | |
| 7/20 04:30 | 49.8 | ↑0.3 | |
| 7/20 04:40 | 50.4 | ↑0.6 | |
| 7/20 04:50 | 51.0 | ↑0.6 | |
| 7/20 05:00 | 51.9 | ↑0.9 | |
| 7/20 05:10 | 52.8 | ↑0.9 | |
| 7/20 05:20 | 53.9 | ↑1.1 | |
| 7/20 05:30 | 55.1 | ↑1.2 | |
| 7/20 05:40 | 56.4 | ↑1.3 | |
| 7/20 05:50 | 57.9 | ↑1.5 | |
| 7/20 06:00 | 59.5 | ↑1.6 | |
| 7/20 06:10 | 61.1 | ↑1.6 | |
| 7/20 06:20 | 62.9 | ↑1.8 | |
| 7/20 06:30 | 64.7 | ↑1.8 | |
| 7/20 06:40 | 66.5 | ↑1.8 | |
| 7/20 06:50 | 68.5 | ↑2.0 | |
| 7/20 07:00 | 70.4 | ↑1.9 | |
| 7/20 07:10 | 72.3 | ↑1.9 | |
| 7/20 07:20 | 74.3 | ↑2.0 | |
| 7/20 07:30 | 76.2 | ↑1.9 | |
| 7/20 07:40 | 78.1 | ↑1.9 | |
| 7/20 07:50 | 79.9 | ↑1.8 | |
| 7/20 08:00 | 81.7 | ↑1.8 | |
| 7/20 08:10 | 83.4 | ↑1.7 | |
| 7/20 08:20 | 85.0 | ↑1.6 | |
| 7/20 08:30 | 86.6 | ↑1.6 | |
| 7/20 08:40 | 88.0 | ↑1.4 | |
| 7/20 08:50 | 89.4 | ↑1.4 | |
| 7/20 09:00 | 90.7 | ↑1.3 | |
| 7/20 09:10 | 91.8 | ↑1.1 | |
| 7/20 09:20 | 92.9 | ↑1.1 | |
| 7/20 09:30 | 93.9 | ↑1.0 | |
| 7/20 09:40 | 94.9 | ↑1.0 | |
| 7/20 09:50 | 95.7 | ↑0.8 | |
| 7/20 10:00 | 96.5 | ↑0.8 | |
| 7/20 10:10 | 97.2 | ↑0.7 | |
| 7/20 10:20 | 97.8 | ↑0.6 | |
| 7/20 10:30 | 98.3 | ↑0.5 | |
| 7/20 10:40 | 98.8 | ↑0.5 | |
| 7/20 10:50 | 99.2 | ↑0.4 | |
| 7/20 11:00 | 99.6 | ↑0.4 | |
| 7/20 11:10 | 99.8 | ↑0.2 | |
| 7/20 11:20 | 100.0 | ↑0.2 | |
| 7/20 11:30 | 100.2 | ↑0.2 | |
| 7/20 11:40 | 100.2 | 0 | 満潮 |
| 7/20 11:50 | 100.2 | 0 | |
| 7/20 12:00 | 100.2 | 0 | |
| 7/20 12:10 | 100.1 | ↓-0.1 | |
| 7/20 12:20 | 99.9 | ↓-0.2 | |
| 7/20 12:30 | 99.7 | ↓-0.2 | |
| 7/20 12:40 | 99.4 | ↓-0.3 | |
| 7/20 12:50 | 99.1 | ↓-0.3 | |
| 7/20 13:00 | 98.8 | ↓-0.3 | |
| 7/20 13:10 | 98.5 | ↓-0.3 | |
| 7/20 13:20 | 98.1 | ↓-0.4 | |
| 7/20 13:30 | 97.8 | ↓-0.3 | |
| 7/20 13:40 | 97.5 | ↓-0.3 | |
| 7/20 13:50 | 97.3 | ↓-0.2 | |
| 7/20 14:00 | 97.0 | ↓-0.3 | |
| 7/20 14:10 | 96.9 | ↓-0.1 | |
| 7/20 14:20 | 96.8 | ↓-0.1 | |
| 7/20 14:30 | 96.7 | ↓-0.1 | 干潮 |
| 7/20 14:40 | 96.8 | ↑0.1 | |
| 7/20 14:50 | 96.9 | ↑0.1 | |
| 7/20 15:00 | 97.1 | ↑0.2 | |
| 7/20 15:10 | 97.4 | ↑0.3 | |
| 7/20 15:20 | 97.8 | ↑0.4 | |
| 7/20 15:30 | 98.3 | ↑0.5 | |
| 7/20 15:40 | 98.9 | ↑0.6 | |
| 7/20 15:50 | 99.6 | ↑0.7 | |
| 7/20 16:00 | 100.4 | ↑0.8 | |
| 7/20 16:10 | 101.3 | ↑0.9 | |
| 7/20 16:20 | 102.3 | ↑1.0 | |
| 7/20 16:30 | 103.4 | ↑1.1 | |
| 7/20 16:40 | 104.5 | ↑1.1 | |
| 7/20 16:50 | 105.8 | ↑1.3 | |
| 7/20 17:00 | 107.2 | ↑1.4 | |
| 7/20 17:10 | 108.6 | ↑1.4 | |
| 7/20 17:20 | 110.1 | ↑1.5 | |
| 7/20 17:30 | 111.7 | ↑1.6 | |
| 7/20 17:40 | 113.3 | ↑1.6 | |
| 7/20 17:50 | 115.0 | ↑1.7 | |
| 7/20 18:00 | 116.8 | ↑1.8 | |
| 7/20 18:10 | 118.6 | ↑1.8 | |
| 7/20 18:20 | 120.4 | ↑1.8 | |
| 7/20 18:30 | 122.2 | ↑1.8 | |
| 7/20 18:40 | 124.0 | ↑1.8 | |
| 7/20 18:50 | 125.7 | ↑1.7 | |
| 7/20 19:00 | 127.5 | ↑1.8 | |
| 7/20 19:10 | 129.2 | ↑1.7 | |
| 7/20 19:20 | 130.8 | ↑1.6 | |
| 7/20 19:30 | 132.3 | ↑1.5 | |
| 7/20 19:40 | 133.7 | ↑1.4 | |
| 7/20 19:50 | 135.0 | ↑1.3 | |
| 7/20 20:00 | 136.1 | ↑1.1 | |
| 7/20 20:10 | 137.1 | ↑1.0 | |
| 7/20 20:20 | 138.0 | ↑0.9 | |
| 7/20 20:30 | 138.6 | ↑0.6 | |
| 7/20 20:40 | 139.1 | ↑0.5 | |
| 7/20 20:50 | 139.4 | ↑0.3 | |
| 7/20 21:00 | 139.5 | ↑0.1 | 満潮 |
| 7/20 21:10 | 139.4 | ↓-0.1 | |
| 7/20 21:20 | 139.2 | ↓-0.2 | |
| 7/20 21:30 | 138.7 | ↓-0.5 | |
| 7/20 21:40 | 138.0 | ↓-0.7 | |
| 7/20 21:50 | 137.1 | ↓-0.9 | |
| 7/20 22:00 | 136.1 | ↓-1.0 | |
| 7/20 22:10 | 134.8 | ↓-1.3 | |
| 7/20 22:20 | 133.4 | ↓-1.4 | |
| 7/20 22:30 | 131.8 | ↓-1.6 | |
| 7/20 22:40 | 130.1 | ↓-1.7 | |
| 7/20 22:50 | 128.2 | ↓-1.9 | |
| 7/20 23:00 | 126.1 | ↓-2.1 | |
| 7/20 23:10 | 123.9 | ↓-2.2 | |
| 7/20 23:20 | 121.6 | ↓-2.3 | |
| 7/20 23:30 | 119.2 | ↓-2.4 | |
| 7/20 23:40 | 116.6 | ↓-2.6 | |
| 7/20 23:50 | 114.0 | ↓-2.6 |