| 満潮 | 干潮 | 満潮 | 干潮 |
|
20
(水) |
04:09 | 11:44 | 19:33 | 23:10 |
| 149cm | -5cm | 116cm | 98cm | |
|
||||
苫小牧（北海道）2026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 | 105.2 | ↑1.5 | |
| 5/20 00:10 | 106.8 | ↑1.6 | |
| 5/20 00:20 | 108.4 | ↑1.6 | |
| 5/20 00:30 | 110.1 | ↑1.7 | |
| 5/20 00:40 | 111.8 | ↑1.7 | |
| 5/20 00:50 | 113.7 | ↑1.9 | |
| 5/20 01:00 | 115.5 | ↑1.8 | |
| 5/20 01:10 | 117.5 | ↑2.0 | |
| 5/20 01:20 | 119.5 | ↑2.0 | |
| 5/20 01:30 | 121.6 | ↑2.1 | |
| 5/20 01:40 | 123.7 | ↑2.1 | |
| 5/20 01:50 | 125.9 | ↑2.2 | |
| 5/20 02:00 | 128.2 | ↑2.3 | |
| 5/20 02:10 | 130.5 | ↑2.3 | |
| 5/20 02:20 | 132.8 | ↑2.3 | |
| 5/20 02:30 | 135.0 | ↑2.2 | |
| 5/20 02:40 | 137.3 | ↑2.3 | |
| 5/20 02:50 | 139.4 | ↑2.1 | |
| 5/20 03:00 | 141.4 | ↑2.0 | |
| 5/20 03:10 | 143.3 | ↑1.9 | |
| 5/20 03:20 | 144.9 | ↑1.6 | |
| 5/20 03:30 | 146.3 | ↑1.4 | |
| 5/20 03:40 | 147.5 | ↑1.2 | |
| 5/20 03:50 | 148.3 | ↑0.8 | |
| 5/20 04:00 | 148.7 | ↑0.4 | 満潮 |
| 5/20 04:10 | 148.8 | ↑0.1 | |
| 5/20 04:20 | 148.6 | ↓-0.2 | |
| 5/20 04:30 | 147.9 | ↓-0.7 | |
| 5/20 04:40 | 146.9 | ↓-1.0 | |
| 5/20 04:50 | 145.4 | ↓-1.5 | |
| 5/20 05:00 | 143.7 | ↓-1.7 | |
| 5/20 05:10 | 141.5 | ↓-2.2 | |
| 5/20 05:20 | 139.1 | ↓-2.4 | |
| 5/20 05:30 | 136.3 | ↓-2.8 | |
| 5/20 05:40 | 133.3 | ↓-3.0 | |
| 5/20 05:50 | 130.0 | ↓-3.3 | |
| 5/20 06:00 | 126.5 | ↓-3.5 | |
| 5/20 06:10 | 122.8 | ↓-3.7 | |
| 5/20 06:20 | 119.0 | ↓-3.8 | |
| 5/20 06:30 | 115.0 | ↓-4.0 | |
| 5/20 06:40 | 110.8 | ↓-4.2 | |
| 5/20 06:50 | 106.5 | ↓-4.3 | |
| 5/20 07:00 | 102.1 | ↓-4.4 | |
| 5/20 07:10 | 97.6 | ↓-4.5 | |
| 5/20 07:20 | 92.9 | ↓-4.7 | |
| 5/20 07:30 | 88.2 | ↓-4.7 | |
| 5/20 07:40 | 83.3 | ↓-4.9 | |
| 5/20 07:50 | 78.3 | ↓-5.0 | |
| 5/20 08:00 | 73.3 | ↓-5.0 | |
| 5/20 08:10 | 68.1 | ↓-5.2 | |
| 5/20 08:20 | 62.9 | ↓-5.2 | |
| 5/20 08:30 | 57.6 | ↓-5.3 | 最大潮位差 |
| 5/20 08:40 | 52.4 | ↓-5.2 | |
| 5/20 08:50 | 47.1 | ↓-5.3 | 最大潮位差 |
| 5/20 09:00 | 41.9 | ↓-5.2 | |
| 5/20 09:10 | 36.8 | ↓-5.1 | |
| 5/20 09:20 | 31.8 | ↓-5.0 | |
| 5/20 09:30 | 27.0 | ↓-4.8 | |
| 5/20 09:40 | 22.5 | ↓-4.5 | |
| 5/20 09:50 | 18.2 | ↓-4.3 | |
| 5/20 10:00 | 14.1 | ↓-4.1 | |
| 5/20 10:10 | 10.4 | ↓-3.7 | |
| 5/20 10:20 | 7.1 | ↓-3.3 | |
| 5/20 10:30 | 4.2 | ↓-2.9 | |
| 5/20 10:40 | 1.6 | ↓-2.6 | |
| 5/20 10:50 | -0.6 | ↓-2.2 | |
| 5/20 11:00 | -2.4 | ↓-1.8 | |
| 5/20 11:10 | -3.8 | ↓-1.4 | |
| 5/20 11:20 | -4.8 | ↓-1.0 | |
| 5/20 11:30 | -5.4 | ↓-0.6 | |
| 5/20 11:40 | -5.7 | ↓-0.3 | 干潮 |
| 5/20 11:50 | -5.6 | ↑0.1 | |
| 5/20 12:00 | -5.2 | ↑0.4 | |
| 5/20 12:10 | -4.5 | ↑0.7 | |
| 5/20 12:20 | -3.6 | ↑0.9 | |
| 5/20 12:30 | -2.3 | ↑1.3 | |
| 5/20 12:40 | -0.8 | ↑1.5 | |
| 5/20 12:50 | 1.0 | ↑1.8 | |
| 5/20 13:00 | 3.0 | ↑2.0 | |
| 5/20 13:10 | 5.3 | ↑2.3 | |
| 5/20 13:20 | 7.8 | ↑2.5 | |
| 5/20 13:30 | 10.6 | ↑2.8 | |
| 5/20 13:40 | 13.7 | ↑3.1 | |
| 5/20 13:50 | 17.0 | ↑3.3 | |
| 5/20 14:00 | 20.5 | ↑3.5 | |
| 5/20 14:10 | 24.3 | ↑3.8 | |
| 5/20 14:20 | 28.4 | ↑4.1 | |
| 5/20 14:30 | 32.6 | ↑4.2 | |
| 5/20 14:40 | 37.0 | ↑4.4 | |
| 5/20 14:50 | 41.6 | ↑4.6 | |
| 5/20 15:00 | 46.3 | ↑4.7 | |
| 5/20 15:10 | 51.0 | ↑4.7 | |
| 5/20 15:20 | 55.8 | ↑4.8 | |
| 5/20 15:30 | 60.6 | ↑4.8 | |
| 5/20 15:40 | 65.4 | ↑4.8 | |
| 5/20 15:50 | 70.0 | ↑4.6 | |
| 5/20 16:00 | 74.5 | ↑4.5 | |
| 5/20 16:10 | 78.8 | ↑4.3 | |
| 5/20 16:20 | 82.9 | ↑4.1 | |
| 5/20 16:30 | 86.8 | ↑3.9 | |
| 5/20 16:40 | 90.4 | ↑3.6 | |
| 5/20 16:50 | 93.7 | ↑3.3 | |
| 5/20 17:00 | 96.8 | ↑3.1 | |
| 5/20 17:10 | 99.6 | ↑2.8 | |
| 5/20 17:20 | 102.0 | ↑2.4 | |
| 5/20 17:30 | 104.2 | ↑2.2 | |
| 5/20 17:40 | 106.2 | ↑2.0 | |
| 5/20 17:50 | 107.9 | ↑1.7 | |
| 5/20 18:00 | 109.4 | ↑1.5 | |
| 5/20 18:10 | 110.7 | ↑1.3 | |
| 5/20 18:20 | 111.8 | ↑1.1 | |
| 5/20 18:30 | 112.8 | ↑1.0 | |
| 5/20 18:40 | 113.5 | ↑0.7 | |
| 5/20 18:50 | 114.2 | ↑0.7 | |
| 5/20 19:00 | 114.7 | ↑0.5 | |
| 5/20 19:10 | 115.1 | ↑0.4 | |
| 5/20 19:20 | 115.3 | ↑0.2 | |
| 5/20 19:30 | 115.4 | ↑0.1 | 満潮 |
| 5/20 19:40 | 115.4 | 0 | |
| 5/20 19:50 | 115.2 | ↓-0.2 | |
| 5/20 20:00 | 114.9 | ↓-0.3 | |
| 5/20 20:10 | 114.3 | ↓-0.6 | |
| 5/20 20:20 | 113.7 | ↓-0.6 | |
| 5/20 20:30 | 112.9 | ↓-0.8 | |
| 5/20 20:40 | 111.9 | ↓-1.0 | |
| 5/20 20:50 | 110.8 | ↓-1.1 | |
| 5/20 21:00 | 109.6 | ↓-1.2 | |
| 5/20 21:10 | 108.4 | ↓-1.2 | |
| 5/20 21:20 | 107.0 | ↓-1.4 | |
| 5/20 21:30 | 105.6 | ↓-1.4 | |
| 5/20 21:40 | 104.3 | ↓-1.3 | |
| 5/20 21:50 | 102.9 | ↓-1.4 | |
| 5/20 22:00 | 101.7 | ↓-1.2 | |
| 5/20 22:10 | 100.5 | ↓-1.2 | |
| 5/20 22:20 | 99.5 | ↓-1.0 | |
| 5/20 22:30 | 98.6 | ↓-0.9 | |
| 5/20 22:40 | 97.9 | ↓-0.7 | |
| 5/20 22:50 | 97.4 | ↓-0.5 | |
| 5/20 23:00 | 97.1 | ↓-0.3 | 干潮 |
| 5/20 23:10 | 97.1 | 0 | 干潮 |
| 5/20 23:20 | 97.2 | ↑0.1 | |
| 5/20 23:30 | 97.5 | ↑0.3 | |
| 5/20 23:40 | 98.0 | ↑0.5 | |
| 5/20 23:50 | 98.7 | ↑0.7 |