| 満潮 | 干潮 | 満潮 | 干潮 |
|
20
(火) |
01:32 | 08:47 | 15:45 | 20:24 |
| 135cm | 13cm | 121cm | 82cm | |
|
||||
苫小牧（北海道）2031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 | 123.8 | ↑2.4 | |
| 5/20 00:10 | 126.0 | ↑2.2 | |
| 5/20 00:20 | 128.0 | ↑2.0 | |
| 5/20 00:30 | 129.7 | ↑1.7 | |
| 5/20 00:40 | 131.3 | ↑1.6 | |
| 5/20 00:50 | 132.6 | ↑1.3 | |
| 5/20 01:00 | 133.6 | ↑1.0 | |
| 5/20 01:10 | 134.3 | ↑0.7 | |
| 5/20 01:20 | 134.8 | ↑0.5 | |
| 5/20 01:30 | 135.0 | ↑0.2 | 満潮 |
| 5/20 01:40 | 134.9 | ↓-0.1 | |
| 5/20 01:50 | 134.5 | ↓-0.4 | |
| 5/20 02:00 | 133.8 | ↓-0.7 | |
| 5/20 02:10 | 132.9 | ↓-0.9 | |
| 5/20 02:20 | 131.7 | ↓-1.2 | |
| 5/20 02:30 | 130.3 | ↓-1.4 | |
| 5/20 02:40 | 128.7 | ↓-1.6 | |
| 5/20 02:50 | 126.8 | ↓-1.9 | |
| 5/20 03:00 | 124.8 | ↓-2.0 | |
| 5/20 03:10 | 122.5 | ↓-2.3 | |
| 5/20 03:20 | 120.0 | ↓-2.5 | |
| 5/20 03:30 | 117.3 | ↓-2.7 | |
| 5/20 03:40 | 114.3 | ↓-3.0 | |
| 5/20 03:50 | 111.2 | ↓-3.1 | |
| 5/20 04:00 | 107.9 | ↓-3.3 | |
| 5/20 04:10 | 104.3 | ↓-3.6 | |
| 5/20 04:20 | 100.6 | ↓-3.7 | |
| 5/20 04:30 | 96.6 | ↓-4.0 | |
| 5/20 04:40 | 92.5 | ↓-4.1 | |
| 5/20 04:50 | 88.2 | ↓-4.3 | |
| 5/20 05:00 | 83.7 | ↓-4.5 | |
| 5/20 05:10 | 79.1 | ↓-4.6 | |
| 5/20 05:20 | 74.5 | ↓-4.6 | |
| 5/20 05:30 | 69.7 | ↓-4.8 | 最大潮位差 |
| 5/20 05:40 | 65.0 | ↓-4.7 | |
| 5/20 05:50 | 60.2 | ↓-4.8 | 最大潮位差 |
| 5/20 06:00 | 55.5 | ↓-4.7 | |
| 5/20 06:10 | 50.9 | ↓-4.6 | |
| 5/20 06:20 | 46.5 | ↓-4.4 | |
| 5/20 06:30 | 42.2 | ↓-4.3 | |
| 5/20 06:40 | 38.1 | ↓-4.1 | |
| 5/20 06:50 | 34.3 | ↓-3.8 | |
| 5/20 07:00 | 30.7 | ↓-3.6 | |
| 5/20 07:10 | 27.5 | ↓-3.2 | |
| 5/20 07:20 | 24.5 | ↓-3.0 | |
| 5/20 07:30 | 21.9 | ↓-2.6 | |
| 5/20 07:40 | 19.6 | ↓-2.3 | |
| 5/20 07:50 | 17.7 | ↓-1.9 | |
| 5/20 08:00 | 16.0 | ↓-1.7 | |
| 5/20 08:10 | 14.7 | ↓-1.3 | |
| 5/20 08:20 | 13.8 | ↓-0.9 | |
| 5/20 08:30 | 13.2 | ↓-0.6 | |
| 5/20 08:40 | 12.8 | ↓-0.4 | 干潮 |
| 5/20 08:50 | 12.8 | 0 | |
| 5/20 09:00 | 13.1 | ↑0.3 | |
| 5/20 09:10 | 13.7 | ↑0.6 | |
| 5/20 09:20 | 14.6 | ↑0.9 | |
| 5/20 09:30 | 15.7 | ↑1.1 | |
| 5/20 09:40 | 17.2 | ↑1.5 | |
| 5/20 09:50 | 18.9 | ↑1.7 | |
| 5/20 10:00 | 21.0 | ↑2.1 | |
| 5/20 10:10 | 23.3 | ↑2.3 | |
| 5/20 10:20 | 25.9 | ↑2.6 | |
| 5/20 10:30 | 28.9 | ↑3.0 | |
| 5/20 10:40 | 32.0 | ↑3.1 | |
| 5/20 10:50 | 35.5 | ↑3.5 | |
| 5/20 11:00 | 39.2 | ↑3.7 | |
| 5/20 11:10 | 43.1 | ↑3.9 | |
| 5/20 11:20 | 47.2 | ↑4.1 | |
| 5/20 11:30 | 51.5 | ↑4.3 | |
| 5/20 11:40 | 55.8 | ↑4.3 | |
| 5/20 11:50 | 60.3 | ↑4.5 | |
| 5/20 12:00 | 64.9 | ↑4.6 | |
| 5/20 12:10 | 69.4 | ↑4.5 | |
| 5/20 12:20 | 73.9 | ↑4.5 | |
| 5/20 12:30 | 78.3 | ↑4.4 | |
| 5/20 12:40 | 82.6 | ↑4.3 | |
| 5/20 12:50 | 86.7 | ↑4.1 | |
| 5/20 13:00 | 90.7 | ↑4.0 | |
| 5/20 13:10 | 94.4 | ↑3.7 | |
| 5/20 13:20 | 97.9 | ↑3.5 | |
| 5/20 13:30 | 101.1 | ↑3.2 | |
| 5/20 13:40 | 104.1 | ↑3.0 | |
| 5/20 13:50 | 106.8 | ↑2.7 | |
| 5/20 14:00 | 109.2 | ↑2.4 | |
| 5/20 14:10 | 111.4 | ↑2.2 | |
| 5/20 14:20 | 113.4 | ↑2.0 | |
| 5/20 14:30 | 115.0 | ↑1.6 | |
| 5/20 14:40 | 116.5 | ↑1.5 | |
| 5/20 14:50 | 117.7 | ↑1.2 | |
| 5/20 15:00 | 118.7 | ↑1.0 | |
| 5/20 15:10 | 119.5 | ↑0.8 | |
| 5/20 15:20 | 120.1 | ↑0.6 | |
| 5/20 15:30 | 120.5 | ↑0.4 | |
| 5/20 15:40 | 120.6 | ↑0.1 | 満潮 |
| 5/20 15:50 | 120.6 | 0 | |
| 5/20 16:00 | 120.4 | ↓-0.2 | |
| 5/20 16:10 | 119.9 | ↓-0.5 | |
| 5/20 16:20 | 119.3 | ↓-0.6 | |
| 5/20 16:30 | 118.4 | ↓-0.9 | |
| 5/20 16:40 | 117.4 | ↓-1.0 | |
| 5/20 16:50 | 116.1 | ↓-1.3 | |
| 5/20 17:00 | 114.6 | ↓-1.5 | |
| 5/20 17:10 | 112.9 | ↓-1.7 | |
| 5/20 17:20 | 111.1 | ↓-1.8 | |
| 5/20 17:30 | 109.1 | ↓-2.0 | |
| 5/20 17:40 | 107.0 | ↓-2.1 | |
| 5/20 17:50 | 104.8 | ↓-2.2 | |
| 5/20 18:00 | 102.5 | ↓-2.3 | |
| 5/20 18:10 | 100.2 | ↓-2.3 | |
| 5/20 18:20 | 97.9 | ↓-2.3 | |
| 5/20 18:30 | 95.6 | ↓-2.3 | |
| 5/20 18:40 | 93.5 | ↓-2.1 | |
| 5/20 18:50 | 91.4 | ↓-2.1 | |
| 5/20 19:00 | 89.5 | ↓-1.9 | |
| 5/20 19:10 | 87.8 | ↓-1.7 | |
| 5/20 19:20 | 86.3 | ↓-1.5 | |
| 5/20 19:30 | 84.9 | ↓-1.4 | |
| 5/20 19:40 | 83.9 | ↓-1.0 | |
| 5/20 19:50 | 83.0 | ↓-0.9 | |
| 5/20 20:00 | 82.4 | ↓-0.6 | |
| 5/20 20:10 | 82.0 | ↓-0.4 | |
| 5/20 20:20 | 81.8 | ↓-0.2 | 干潮 |
| 5/20 20:30 | 81.8 | 0 | |
| 5/20 20:40 | 82.1 | ↑0.3 | |
| 5/20 20:50 | 82.5 | ↑0.4 | |
| 5/20 21:00 | 83.1 | ↑0.6 | |
| 5/20 21:10 | 83.8 | ↑0.7 | |
| 5/20 21:20 | 84.7 | ↑0.9 | |
| 5/20 21:30 | 85.8 | ↑1.1 | |
| 5/20 21:40 | 86.9 | ↑1.1 | |
| 5/20 21:50 | 88.3 | ↑1.4 | |
| 5/20 22:00 | 89.7 | ↑1.4 | |
| 5/20 22:10 | 91.3 | ↑1.6 | |
| 5/20 22:20 | 93.0 | ↑1.7 | |
| 5/20 22:30 | 94.9 | ↑1.9 | |
| 5/20 22:40 | 96.9 | ↑2.0 | |
| 5/20 22:50 | 99.0 | ↑2.1 | |
| 5/20 23:00 | 101.3 | ↑2.3 | |
| 5/20 23:10 | 103.7 | ↑2.4 | |
| 5/20 23:20 | 106.3 | ↑2.6 | |
| 5/20 23:30 | 108.9 | ↑2.6 | |
| 5/20 23:40 | 111.6 | ↑2.7 | |
| 5/20 23:50 | 114.4 | ↑2.8 |