| 満潮 | 干潮 | 満潮 | 干潮 |
|
20
(水) |
01:28 | 08:30 | 15:14 | 20:18 |
| 133cm | 24cm | 122cm | 70cm | |
|
||||
苫小牧（北海道）2054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 | 121.1 | ↑2.5 | |
| 5/20 00:10 | 123.4 | ↑2.3 | |
| 5/20 00:20 | 125.5 | ↑2.1 | |
| 5/20 00:30 | 127.3 | ↑1.8 | |
| 5/20 00:40 | 128.8 | ↑1.5 | |
| 5/20 00:50 | 130.1 | ↑1.3 | |
| 5/20 01:00 | 131.0 | ↑0.9 | |
| 5/20 01:10 | 131.7 | ↑0.7 | |
| 5/20 01:20 | 132.1 | ↑0.4 | 満潮 |
| 5/20 01:30 | 132.1 | 0 | |
| 5/20 01:40 | 131.9 | ↓-0.2 | |
| 5/20 01:50 | 131.4 | ↓-0.5 | |
| 5/20 02:00 | 130.7 | ↓-0.7 | |
| 5/20 02:10 | 129.7 | ↓-1.0 | |
| 5/20 02:20 | 128.4 | ↓-1.3 | |
| 5/20 02:30 | 127.0 | ↓-1.4 | |
| 5/20 02:40 | 125.3 | ↓-1.7 | |
| 5/20 02:50 | 123.3 | ↓-2.0 | |
| 5/20 03:00 | 121.2 | ↓-2.1 | |
| 5/20 03:10 | 118.9 | ↓-2.3 | |
| 5/20 03:20 | 116.3 | ↓-2.6 | |
| 5/20 03:30 | 113.6 | ↓-2.7 | |
| 5/20 03:40 | 110.7 | ↓-2.9 | |
| 5/20 03:50 | 107.5 | ↓-3.2 | |
| 5/20 04:00 | 104.2 | ↓-3.3 | |
| 5/20 04:10 | 100.7 | ↓-3.5 | |
| 5/20 04:20 | 97.0 | ↓-3.7 | |
| 5/20 04:30 | 93.1 | ↓-3.9 | |
| 5/20 04:40 | 89.1 | ↓-4.0 | |
| 5/20 04:50 | 85.0 | ↓-4.1 | |
| 5/20 05:00 | 80.7 | ↓-4.3 | |
| 5/20 05:10 | 76.4 | ↓-4.3 | |
| 5/20 05:20 | 72.1 | ↓-4.3 | |
| 5/20 05:30 | 67.7 | ↓-4.4 | 最大潮位差 |
| 5/20 05:40 | 63.4 | ↓-4.3 | |
| 5/20 05:50 | 59.2 | ↓-4.2 | |
| 5/20 06:00 | 55.1 | ↓-4.1 | |
| 5/20 06:10 | 51.1 | ↓-4.0 | |
| 5/20 06:20 | 47.3 | ↓-3.8 | |
| 5/20 06:30 | 43.7 | ↓-3.6 | |
| 5/20 06:40 | 40.4 | ↓-3.3 | |
| 5/20 06:50 | 37.3 | ↓-3.1 | |
| 5/20 07:00 | 34.6 | ↓-2.7 | |
| 5/20 07:10 | 32.1 | ↓-2.5 | |
| 5/20 07:20 | 29.9 | ↓-2.2 | |
| 5/20 07:30 | 28.0 | ↓-1.9 | |
| 5/20 07:40 | 26.4 | ↓-1.6 | |
| 5/20 07:50 | 25.2 | ↓-1.2 | |
| 5/20 08:00 | 24.2 | ↓-1.0 | |
| 5/20 08:10 | 23.5 | ↓-0.7 | |
| 5/20 08:20 | 23.1 | ↓-0.4 | 干潮 |
| 5/20 08:30 | 23.0 | ↓-0.1 | 干潮 |
| 5/20 08:40 | 23.2 | ↑0.2 | |
| 5/20 08:50 | 23.6 | ↑0.4 | |
| 5/20 09:00 | 24.3 | ↑0.7 | |
| 5/20 09:10 | 25.3 | ↑1.0 | |
| 5/20 09:20 | 26.5 | ↑1.2 | |
| 5/20 09:30 | 28.0 | ↑1.5 | |
| 5/20 09:40 | 29.8 | ↑1.8 | |
| 5/20 09:50 | 31.8 | ↑2.0 | |
| 5/20 10:00 | 34.1 | ↑2.3 | |
| 5/20 10:10 | 36.7 | ↑2.6 | |
| 5/20 10:20 | 39.5 | ↑2.8 | |
| 5/20 10:30 | 42.6 | ↑3.1 | |
| 5/20 10:40 | 45.9 | ↑3.3 | |
| 5/20 10:50 | 49.4 | ↑3.5 | |
| 5/20 11:00 | 53.1 | ↑3.7 | |
| 5/20 11:10 | 57.0 | ↑3.9 | |
| 5/20 11:20 | 61.1 | ↑4.1 | |
| 5/20 11:30 | 65.2 | ↑4.1 | |
| 5/20 11:40 | 69.4 | ↑4.2 | |
| 5/20 11:50 | 73.6 | ↑4.2 | |
| 5/20 12:00 | 77.9 | ↑4.3 | |
| 5/20 12:10 | 82.0 | ↑4.1 | |
| 5/20 12:20 | 86.1 | ↑4.1 | |
| 5/20 12:30 | 90.0 | ↑3.9 | |
| 5/20 12:40 | 93.8 | ↑3.8 | |
| 5/20 12:50 | 97.4 | ↑3.6 | |
| 5/20 13:00 | 100.8 | ↑3.4 | |
| 5/20 13:10 | 103.9 | ↑3.1 | |
| 5/20 13:20 | 106.8 | ↑2.9 | |
| 5/20 13:30 | 109.4 | ↑2.6 | |
| 5/20 13:40 | 111.8 | ↑2.4 | |
| 5/20 13:50 | 113.9 | ↑2.1 | |
| 5/20 14:00 | 115.7 | ↑1.8 | |
| 5/20 14:10 | 117.3 | ↑1.6 | |
| 5/20 14:20 | 118.6 | ↑1.3 | |
| 5/20 14:30 | 119.7 | ↑1.1 | |
| 5/20 14:40 | 120.6 | ↑0.9 | |
| 5/20 14:50 | 121.2 | ↑0.6 | |
| 5/20 15:00 | 121.6 | ↑0.4 | |
| 5/20 15:10 | 121.8 | ↑0.2 | 満潮 |
| 5/20 15:20 | 121.8 | 0 | |
| 5/20 15:30 | 121.5 | ↓-0.3 | |
| 5/20 15:40 | 121.1 | ↓-0.4 | |
| 5/20 15:50 | 120.4 | ↓-0.7 | |
| 5/20 16:00 | 119.4 | ↓-1.0 | |
| 5/20 16:10 | 118.2 | ↓-1.2 | |
| 5/20 16:20 | 116.8 | ↓-1.4 | |
| 5/20 16:30 | 115.2 | ↓-1.6 | |
| 5/20 16:40 | 113.3 | ↓-1.9 | |
| 5/20 16:50 | 111.3 | ↓-2.0 | |
| 5/20 17:00 | 109.0 | ↓-2.3 | |
| 5/20 17:10 | 106.6 | ↓-2.4 | |
| 5/20 17:20 | 104.0 | ↓-2.6 | |
| 5/20 17:30 | 101.2 | ↓-2.8 | |
| 5/20 17:40 | 98.4 | ↓-2.8 | |
| 5/20 17:50 | 95.6 | ↓-2.8 | |
| 5/20 18:00 | 92.7 | ↓-2.9 | |
| 5/20 18:10 | 89.9 | ↓-2.8 | |
| 5/20 18:20 | 87.1 | ↓-2.8 | |
| 5/20 18:30 | 84.5 | ↓-2.6 | |
| 5/20 18:40 | 82.0 | ↓-2.5 | |
| 5/20 18:50 | 79.6 | ↓-2.4 | |
| 5/20 19:00 | 77.5 | ↓-2.1 | |
| 5/20 19:10 | 75.6 | ↓-1.9 | |
| 5/20 19:20 | 74.0 | ↓-1.6 | |
| 5/20 19:30 | 72.6 | ↓-1.4 | |
| 5/20 19:40 | 71.5 | ↓-1.1 | |
| 5/20 19:50 | 70.7 | ↓-0.8 | |
| 5/20 20:00 | 70.2 | ↓-0.5 | |
| 5/20 20:10 | 69.8 | ↓-0.4 | 干潮 |
| 5/20 20:20 | 69.8 | 0 | |
| 5/20 20:30 | 70.0 | ↑0.2 | |
| 5/20 20:40 | 70.4 | ↑0.4 | |
| 5/20 20:50 | 71.1 | ↑0.7 | |
| 5/20 21:00 | 71.9 | ↑0.8 | |
| 5/20 21:10 | 72.9 | ↑1.0 | |
| 5/20 21:20 | 74.2 | ↑1.3 | |
| 5/20 21:30 | 75.6 | ↑1.4 | |
| 5/20 21:40 | 77.2 | ↑1.6 | |
| 5/20 21:50 | 79.0 | ↑1.8 | |
| 5/20 22:00 | 81.0 | ↑2.0 | |
| 5/20 22:10 | 83.1 | ↑2.1 | |
| 5/20 22:20 | 85.4 | ↑2.3 | |
| 5/20 22:30 | 87.9 | ↑2.5 | |
| 5/20 22:40 | 90.6 | ↑2.7 | |
| 5/20 22:50 | 93.4 | ↑2.8 | |
| 5/20 23:00 | 96.3 | ↑2.9 | |
| 5/20 23:10 | 99.4 | ↑3.1 | |
| 5/20 23:20 | 102.5 | ↑3.1 | |
| 5/20 23:30 | 105.8 | ↑3.3 | |
| 5/20 23:40 | 109.0 | ↑3.2 | |
| 5/20 23:50 | 112.3 | ↑3.3 |