| 満潮 | 干潮 | 満潮 | 干潮 |
|
20
(土) |
05:23 | 12:45 | 20:12 | - |
| 130cm | 16cm | 111cm | - | |
|
||||
苫小牧（北海道）2056年05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 |
|---|---|---|---|
| 5/20 00:00 | 90.7 | ↑0.1 | |
| 5/20 00:10 | 91.1 | ↑0.4 | |
| 5/20 00:20 | 91.6 | ↑0.5 | |
| 5/20 00:30 | 92.3 | ↑0.7 | |
| 5/20 00:40 | 93.1 | ↑0.8 | |
| 5/20 00:50 | 94.1 | ↑1.0 | |
| 5/20 01:00 | 95.3 | ↑1.2 | |
| 5/20 01:10 | 96.5 | ↑1.2 | |
| 5/20 01:20 | 97.8 | ↑1.3 | |
| 5/20 01:30 | 99.2 | ↑1.4 | |
| 5/20 01:40 | 100.6 | ↑1.4 | |
| 5/20 01:50 | 102.0 | ↑1.4 | |
| 5/20 02:00 | 103.5 | ↑1.5 | |
| 5/20 02:10 | 105.0 | ↑1.5 | |
| 5/20 02:20 | 106.5 | ↑1.5 | |
| 5/20 02:30 | 108.0 | ↑1.5 | |
| 5/20 02:40 | 109.5 | ↑1.5 | |
| 5/20 02:50 | 111.0 | ↑1.5 | |
| 5/20 03:00 | 112.6 | ↑1.6 | |
| 5/20 03:10 | 114.1 | ↑1.5 | |
| 5/20 03:20 | 115.7 | ↑1.6 | |
| 5/20 03:30 | 117.3 | ↑1.6 | |
| 5/20 03:40 | 118.9 | ↑1.6 | |
| 5/20 03:50 | 120.4 | ↑1.5 | |
| 5/20 04:00 | 122.0 | ↑1.6 | |
| 5/20 04:10 | 123.4 | ↑1.4 | |
| 5/20 04:20 | 124.8 | ↑1.4 | |
| 5/20 04:30 | 126.1 | ↑1.3 | |
| 5/20 04:40 | 127.2 | ↑1.1 | |
| 5/20 04:50 | 128.1 | ↑0.9 | |
| 5/20 05:00 | 128.9 | ↑0.8 | |
| 5/20 05:10 | 129.3 | ↑0.4 | |
| 5/20 05:20 | 129.6 | ↑0.3 | 満潮 |
| 5/20 05:30 | 129.5 | ↓-0.1 | |
| 5/20 05:40 | 129.1 | ↓-0.4 | |
| 5/20 05:50 | 128.4 | ↓-0.7 | |
| 5/20 06:00 | 127.4 | ↓-1.0 | |
| 5/20 06:10 | 126.0 | ↓-1.4 | |
| 5/20 06:20 | 124.4 | ↓-1.6 | |
| 5/20 06:30 | 122.4 | ↓-2.0 | |
| 5/20 06:40 | 120.2 | ↓-2.2 | |
| 5/20 06:50 | 117.7 | ↓-2.5 | |
| 5/20 07:00 | 115.0 | ↓-2.7 | |
| 5/20 07:10 | 112.1 | ↓-2.9 | |
| 5/20 07:20 | 109.1 | ↓-3.0 | |
| 5/20 07:30 | 105.9 | ↓-3.2 | |
| 5/20 07:40 | 102.6 | ↓-3.3 | |
| 5/20 07:50 | 99.2 | ↓-3.4 | |
| 5/20 08:00 | 95.7 | ↓-3.5 | |
| 5/20 08:10 | 92.2 | ↓-3.5 | |
| 5/20 08:20 | 88.7 | ↓-3.5 | |
| 5/20 08:30 | 85.1 | ↓-3.6 | |
| 5/20 08:40 | 81.5 | ↓-3.6 | |
| 5/20 08:50 | 77.9 | ↓-3.6 | |
| 5/20 09:00 | 74.3 | ↓-3.6 | |
| 5/20 09:10 | 70.7 | ↓-3.6 | |
| 5/20 09:20 | 67.0 | ↓-3.7 | 最大潮位差 |
| 5/20 09:30 | 63.4 | ↓-3.6 | |
| 5/20 09:40 | 59.7 | ↓-3.7 | 最大潮位差 |
| 5/20 09:50 | 56.1 | ↓-3.6 | |
| 5/20 10:00 | 52.4 | ↓-3.7 | 最大潮位差 |
| 5/20 10:10 | 48.8 | ↓-3.6 | |
| 5/20 10:20 | 45.2 | ↓-3.6 | |
| 5/20 10:30 | 41.7 | ↓-3.5 | |
| 5/20 10:40 | 38.4 | ↓-3.3 | |
| 5/20 10:50 | 35.1 | ↓-3.3 | |
| 5/20 11:00 | 32.0 | ↓-3.1 | |
| 5/20 11:10 | 29.1 | ↓-2.9 | |
| 5/20 11:20 | 26.5 | ↓-2.6 | |
| 5/20 11:30 | 24.1 | ↓-2.4 | |
| 5/20 11:40 | 21.9 | ↓-2.2 | |
| 5/20 11:50 | 20.1 | ↓-1.8 | |
| 5/20 12:00 | 18.5 | ↓-1.6 | |
| 5/20 12:10 | 17.3 | ↓-1.2 | |
| 5/20 12:20 | 16.4 | ↓-0.9 | |
| 5/20 12:30 | 15.9 | ↓-0.5 | |
| 5/20 12:40 | 15.6 | ↓-0.3 | 干潮 |
| 5/20 12:50 | 15.6 | 0 | |
| 5/20 13:00 | 15.9 | ↑0.3 | |
| 5/20 13:10 | 16.5 | ↑0.6 | |
| 5/20 13:20 | 17.4 | ↑0.9 | |
| 5/20 13:30 | 18.5 | ↑1.1 | |
| 5/20 13:40 | 19.8 | ↑1.3 | |
| 5/20 13:50 | 21.2 | ↑1.4 | |
| 5/20 14:00 | 22.9 | ↑1.7 | |
| 5/20 14:10 | 24.7 | ↑1.8 | |
| 5/20 14:20 | 26.7 | ↑2.0 | |
| 5/20 14:30 | 28.9 | ↑2.2 | |
| 5/20 14:40 | 31.2 | ↑2.3 | |
| 5/20 14:50 | 33.6 | ↑2.4 | |
| 5/20 15:00 | 36.2 | ↑2.6 | |
| 5/20 15:10 | 39.0 | ↑2.8 | |
| 5/20 15:20 | 41.9 | ↑2.9 | |
| 5/20 15:30 | 44.9 | ↑3.0 | |
| 5/20 15:40 | 48.1 | ↑3.2 | |
| 5/20 15:50 | 51.5 | ↑3.4 | |
| 5/20 16:00 | 54.9 | ↑3.4 | |
| 5/20 16:10 | 58.4 | ↑3.5 | |
| 5/20 16:20 | 62.1 | ↑3.7 | 最大潮位差 |
| 5/20 16:30 | 65.8 | ↑3.7 | 最大潮位差 |
| 5/20 16:40 | 69.5 | ↑3.7 | 最大潮位差 |
| 5/20 16:50 | 73.2 | ↑3.7 | 最大潮位差 |
| 5/20 17:00 | 76.9 | ↑3.7 | 最大潮位差 |
| 5/20 17:10 | 80.4 | ↑3.5 | |
| 5/20 17:20 | 83.9 | ↑3.5 | |
| 5/20 17:30 | 87.3 | ↑3.4 | |
| 5/20 17:40 | 90.4 | ↑3.1 | |
| 5/20 17:50 | 93.4 | ↑3.0 | |
| 5/20 18:00 | 96.1 | ↑2.7 | |
| 5/20 18:10 | 98.6 | ↑2.5 | |
| 5/20 18:20 | 100.8 | ↑2.2 | |
| 5/20 18:30 | 102.8 | ↑2.0 | |
| 5/20 18:40 | 104.5 | ↑1.7 | |
| 5/20 18:50 | 105.9 | ↑1.4 | |
| 5/20 19:00 | 107.1 | ↑1.2 | |
| 5/20 19:10 | 108.1 | ↑1.0 | |
| 5/20 19:20 | 108.9 | ↑0.8 | |
| 5/20 19:30 | 109.5 | ↑0.6 | |
| 5/20 19:40 | 109.9 | ↑0.4 | |
| 5/20 19:50 | 110.2 | ↑0.3 | |
| 5/20 20:00 | 110.4 | ↑0.2 | |
| 5/20 20:10 | 110.5 | ↑0.1 | 満潮 |
| 5/20 20:20 | 110.4 | ↓-0.1 | |
| 5/20 20:30 | 110.3 | ↓-0.1 | |
| 5/20 20:40 | 110.1 | ↓-0.2 | |
| 5/20 20:50 | 109.8 | ↓-0.3 | |
| 5/20 21:00 | 109.5 | ↓-0.3 | |
| 5/20 21:10 | 109.1 | ↓-0.4 | |
| 5/20 21:20 | 108.6 | ↓-0.5 | |
| 5/20 21:30 | 108.0 | ↓-0.6 | |
| 5/20 21:40 | 107.3 | ↓-0.7 | |
| 5/20 21:50 | 106.6 | ↓-0.7 | |
| 5/20 22:00 | 105.8 | ↓-0.8 | |
| 5/20 22:10 | 104.9 | ↓-0.9 | |
| 5/20 22:20 | 103.9 | ↓-1.0 | |
| 5/20 22:30 | 102.9 | ↓-1.0 | |
| 5/20 22:40 | 101.8 | ↓-1.1 | |
| 5/20 22:50 | 100.7 | ↓-1.1 | |
| 5/20 23:00 | 99.6 | ↓-1.1 | |
| 5/20 23:10 | 98.5 | ↓-1.1 | |
| 5/20 23:20 | 97.5 | ↓-1.0 | |
| 5/20 23:30 | 96.5 | ↓-1.0 | |
| 5/20 23:40 | 95.6 | ↓-0.9 | |
| 5/20 23:50 | 94.9 | ↓-0.7 |