| 満潮 | 干潮 | 満潮 | 干潮 |
|
21
(火) |
01:44 | 08:43 | 15:26 | 20:25 |
| 133cm | 18cm | 123cm | 76cm | |
|
||||
苫小牧（北海道）2058年05月21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 |
|---|---|---|---|
| 5/21 00:00 | 118.5 | ↑2.7 | |
| 5/21 00:10 | 121.0 | ↑2.5 | |
| 5/21 00:20 | 123.3 | ↑2.3 | |
| 5/21 00:30 | 125.4 | ↑2.1 | |
| 5/21 00:40 | 127.3 | ↑1.9 | |
| 5/21 00:50 | 128.9 | ↑1.6 | |
| 5/21 01:00 | 130.3 | ↑1.4 | |
| 5/21 01:10 | 131.4 | ↑1.1 | |
| 5/21 01:20 | 132.2 | ↑0.8 | |
| 5/21 01:30 | 132.7 | ↑0.5 | |
| 5/21 01:40 | 132.9 | ↑0.2 | 満潮 |
| 5/21 01:50 | 132.8 | ↓-0.1 | |
| 5/21 02:00 | 132.5 | ↓-0.3 | |
| 5/21 02:10 | 131.9 | ↓-0.6 | |
| 5/21 02:20 | 131.0 | ↓-0.9 | |
| 5/21 02:30 | 129.9 | ↓-1.1 | |
| 5/21 02:40 | 128.5 | ↓-1.4 | |
| 5/21 02:50 | 126.9 | ↓-1.6 | |
| 5/21 03:00 | 125.1 | ↓-1.8 | |
| 5/21 03:10 | 123.0 | ↓-2.1 | |
| 5/21 03:20 | 120.7 | ↓-2.3 | |
| 5/21 03:30 | 118.2 | ↓-2.5 | |
| 5/21 03:40 | 115.5 | ↓-2.7 | |
| 5/21 03:50 | 112.5 | ↓-3.0 | |
| 5/21 04:00 | 109.3 | ↓-3.2 | |
| 5/21 04:10 | 105.9 | ↓-3.4 | |
| 5/21 04:20 | 102.3 | ↓-3.6 | |
| 5/21 04:30 | 98.5 | ↓-3.8 | |
| 5/21 04:40 | 94.4 | ↓-4.1 | |
| 5/21 04:50 | 90.2 | ↓-4.2 | |
| 5/21 05:00 | 85.9 | ↓-4.3 | |
| 5/21 05:10 | 81.4 | ↓-4.5 | |
| 5/21 05:20 | 76.9 | ↓-4.5 | |
| 5/21 05:30 | 72.2 | ↓-4.7 | 最大潮位差 |
| 5/21 05:40 | 67.6 | ↓-4.6 | |
| 5/21 05:50 | 63.0 | ↓-4.6 | |
| 5/21 06:00 | 58.4 | ↓-4.6 | |
| 5/21 06:10 | 53.9 | ↓-4.5 | |
| 5/21 06:20 | 49.6 | ↓-4.3 | |
| 5/21 06:30 | 45.4 | ↓-4.2 | |
| 5/21 06:40 | 41.4 | ↓-4.0 | |
| 5/21 06:50 | 37.7 | ↓-3.7 | |
| 5/21 07:00 | 34.3 | ↓-3.4 | |
| 5/21 07:10 | 31.1 | ↓-3.2 | |
| 5/21 07:20 | 28.3 | ↓-2.8 | |
| 5/21 07:30 | 25.7 | ↓-2.6 | |
| 5/21 07:40 | 23.5 | ↓-2.2 | |
| 5/21 07:50 | 21.7 | ↓-1.8 | |
| 5/21 08:00 | 20.1 | ↓-1.6 | |
| 5/21 08:10 | 18.9 | ↓-1.2 | |
| 5/21 08:20 | 18.1 | ↓-0.8 | |
| 5/21 08:30 | 17.5 | ↓-0.6 | |
| 5/21 08:40 | 17.3 | ↓-0.2 | 干潮 |
| 5/21 08:50 | 17.4 | ↑0.1 | |
| 5/21 09:00 | 17.8 | ↑0.4 | |
| 5/21 09:10 | 18.5 | ↑0.7 | |
| 5/21 09:20 | 19.5 | ↑1.0 | |
| 5/21 09:30 | 20.7 | ↑1.2 | |
| 5/21 09:40 | 22.3 | ↑1.6 | |
| 5/21 09:50 | 24.2 | ↑1.9 | |
| 5/21 10:00 | 26.4 | ↑2.2 | |
| 5/21 10:10 | 28.8 | ↑2.4 | |
| 5/21 10:20 | 31.6 | ↑2.8 | |
| 5/21 10:30 | 34.6 | ↑3.0 | |
| 5/21 10:40 | 37.9 | ↑3.3 | |
| 5/21 10:50 | 41.4 | ↑3.5 | |
| 5/21 11:00 | 45.2 | ↑3.8 | |
| 5/21 11:10 | 49.1 | ↑3.9 | |
| 5/21 11:20 | 53.3 | ↑4.2 | |
| 5/21 11:30 | 57.6 | ↑4.3 | |
| 5/21 11:40 | 62.0 | ↑4.4 | |
| 5/21 11:50 | 66.4 | ↑4.4 | |
| 5/21 12:00 | 70.9 | ↑4.5 | |
| 5/21 12:10 | 75.4 | ↑4.5 | |
| 5/21 12:20 | 79.8 | ↑4.4 | |
| 5/21 12:30 | 84.2 | ↑4.4 | |
| 5/21 12:40 | 88.3 | ↑4.1 | |
| 5/21 12:50 | 92.4 | ↑4.1 | |
| 5/21 13:00 | 96.2 | ↑3.8 | |
| 5/21 13:10 | 99.7 | ↑3.5 | |
| 5/21 13:20 | 103.1 | ↑3.4 | |
| 5/21 13:30 | 106.1 | ↑3.0 | |
| 5/21 13:40 | 108.9 | ↑2.8 | |
| 5/21 13:50 | 111.4 | ↑2.5 | |
| 5/21 14:00 | 113.6 | ↑2.2 | |
| 5/21 14:10 | 115.6 | ↑2.0 | |
| 5/21 14:20 | 117.3 | ↑1.7 | |
| 5/21 14:30 | 118.7 | ↑1.4 | |
| 5/21 14:40 | 119.8 | ↑1.1 | |
| 5/21 14:50 | 120.8 | ↑1.0 | |
| 5/21 15:00 | 121.4 | ↑0.6 | |
| 5/21 15:10 | 121.9 | ↑0.5 | |
| 5/21 15:20 | 122.1 | ↑0.2 | 満潮 |
| 5/21 15:30 | 122.1 | 0 | |
| 5/21 15:40 | 121.9 | ↓-0.2 | |
| 5/21 15:50 | 121.5 | ↓-0.4 | |
| 5/21 16:00 | 120.8 | ↓-0.7 | |
| 5/21 16:10 | 120.0 | ↓-0.8 | |
| 5/21 16:20 | 118.9 | ↓-1.1 | |
| 5/21 16:30 | 117.6 | ↓-1.3 | |
| 5/21 16:40 | 116.1 | ↓-1.5 | |
| 5/21 16:50 | 114.4 | ↓-1.7 | |
| 5/21 17:00 | 112.5 | ↓-1.9 | |
| 5/21 17:10 | 110.5 | ↓-2.0 | |
| 5/21 17:20 | 108.2 | ↓-2.3 | |
| 5/21 17:30 | 105.9 | ↓-2.3 | |
| 5/21 17:40 | 103.4 | ↓-2.5 | |
| 5/21 17:50 | 100.8 | ↓-2.6 | |
| 5/21 18:00 | 98.2 | ↓-2.6 | |
| 5/21 18:10 | 95.6 | ↓-2.6 | |
| 5/21 18:20 | 93.1 | ↓-2.5 | |
| 5/21 18:30 | 90.6 | ↓-2.5 | |
| 5/21 18:40 | 88.2 | ↓-2.4 | |
| 5/21 18:50 | 85.9 | ↓-2.3 | |
| 5/21 19:00 | 83.8 | ↓-2.1 | |
| 5/21 19:10 | 81.9 | ↓-1.9 | |
| 5/21 19:20 | 80.2 | ↓-1.7 | |
| 5/21 19:30 | 78.8 | ↓-1.4 | |
| 5/21 19:40 | 77.6 | ↓-1.2 | |
| 5/21 19:50 | 76.7 | ↓-0.9 | |
| 5/21 20:00 | 76.0 | ↓-0.7 | |
| 5/21 20:10 | 75.5 | ↓-0.5 | |
| 5/21 20:20 | 75.3 | ↓-0.2 | 干潮 |
| 5/21 20:30 | 75.4 | ↑0.1 | |
| 5/21 20:40 | 75.6 | ↑0.2 | |
| 5/21 20:50 | 76.1 | ↑0.5 | |
| 5/21 21:00 | 76.7 | ↑0.6 | |
| 5/21 21:10 | 77.5 | ↑0.8 | |
| 5/21 21:20 | 78.5 | ↑1.0 | |
| 5/21 21:30 | 79.7 | ↑1.2 | |
| 5/21 21:40 | 81.0 | ↑1.3 | |
| 5/21 21:50 | 82.5 | ↑1.5 | |
| 5/21 22:00 | 84.2 | ↑1.7 | |
| 5/21 22:10 | 86.0 | ↑1.8 | |
| 5/21 22:20 | 87.9 | ↑1.9 | |
| 5/21 22:30 | 90.0 | ↑2.1 | |
| 5/21 22:40 | 92.3 | ↑2.3 | |
| 5/21 22:50 | 94.7 | ↑2.4 | |
| 5/21 23:00 | 97.2 | ↑2.5 | |
| 5/21 23:10 | 99.9 | ↑2.7 | |
| 5/21 23:20 | 102.7 | ↑2.8 | |
| 5/21 23:30 | 105.6 | ↑2.9 | |
| 5/21 23:40 | 108.5 | ↑2.9 | |
| 5/21 23:50 | 111.5 | ↑3.0 |