| 満潮 | 干潮 | 満潮 | 干潮 |
|
21
(日) |
04:54 | 12:31 | 20:25 | - |
| 142cm | 4cm | 112cm | - | |
|
||||
苫小牧（北海道）2045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 | 99.0 | ↑0.8 | |
| 5/21 00:10 | 100.0 | ↑1.0 | |
| 5/21 00:20 | 101.0 | ↑1.0 | |
| 5/21 00:30 | 102.2 | ↑1.2 | |
| 5/21 00:40 | 103.5 | ↑1.3 | |
| 5/21 00:50 | 104.9 | ↑1.4 | |
| 5/21 01:00 | 106.3 | ↑1.4 | |
| 5/21 01:10 | 107.8 | ↑1.5 | |
| 5/21 01:20 | 109.4 | ↑1.6 | |
| 5/21 01:30 | 110.9 | ↑1.5 | |
| 5/21 01:40 | 112.6 | ↑1.7 | |
| 5/21 01:50 | 114.2 | ↑1.6 | |
| 5/21 02:00 | 115.9 | ↑1.7 | |
| 5/21 02:10 | 117.7 | ↑1.8 | |
| 5/21 02:20 | 119.4 | ↑1.7 | |
| 5/21 02:30 | 121.3 | ↑1.9 | |
| 5/21 02:40 | 123.1 | ↑1.8 | |
| 5/21 02:50 | 125.0 | ↑1.9 | |
| 5/21 03:00 | 126.9 | ↑1.9 | |
| 5/21 03:10 | 128.8 | ↑1.9 | |
| 5/21 03:20 | 130.7 | ↑1.9 | |
| 5/21 03:30 | 132.6 | ↑1.9 | |
| 5/21 03:40 | 134.4 | ↑1.8 | |
| 5/21 03:50 | 136.0 | ↑1.6 | |
| 5/21 04:00 | 137.5 | ↑1.5 | |
| 5/21 04:10 | 138.9 | ↑1.4 | |
| 5/21 04:20 | 140.0 | ↑1.1 | |
| 5/21 04:30 | 140.8 | ↑0.8 | |
| 5/21 04:40 | 141.4 | ↑0.6 | |
| 5/21 04:50 | 141.7 | ↑0.3 | 満潮 |
| 5/21 05:00 | 141.6 | ↓-0.1 | |
| 5/21 05:10 | 141.3 | ↓-0.3 | |
| 5/21 05:20 | 140.5 | ↓-0.8 | |
| 5/21 05:30 | 139.4 | ↓-1.1 | |
| 5/21 05:40 | 138.0 | ↓-1.4 | |
| 5/21 05:50 | 136.2 | ↓-1.8 | |
| 5/21 06:00 | 134.1 | ↓-2.1 | |
| 5/21 06:10 | 131.7 | ↓-2.4 | |
| 5/21 06:20 | 129.1 | ↓-2.6 | |
| 5/21 06:30 | 126.2 | ↓-2.9 | |
| 5/21 06:40 | 123.1 | ↓-3.1 | |
| 5/21 06:50 | 119.8 | ↓-3.3 | |
| 5/21 07:00 | 116.4 | ↓-3.4 | |
| 5/21 07:10 | 112.8 | ↓-3.6 | |
| 5/21 07:20 | 109.0 | ↓-3.8 | |
| 5/21 07:30 | 105.2 | ↓-3.8 | |
| 5/21 07:40 | 101.3 | ↓-3.9 | |
| 5/21 07:50 | 97.3 | ↓-4.0 | |
| 5/21 08:00 | 93.2 | ↓-4.1 | |
| 5/21 08:10 | 89.1 | ↓-4.1 | |
| 5/21 08:20 | 84.8 | ↓-4.3 | |
| 5/21 08:30 | 80.5 | ↓-4.3 | |
| 5/21 08:40 | 76.1 | ↓-4.4 | |
| 5/21 08:50 | 71.7 | ↓-4.4 | |
| 5/21 09:00 | 67.2 | ↓-4.5 | |
| 5/21 09:10 | 62.7 | ↓-4.5 | |
| 5/21 09:20 | 58.1 | ↓-4.6 | 最大潮位差 |
| 5/21 09:30 | 53.5 | ↓-4.6 | 最大潮位差 |
| 5/21 09:40 | 49.0 | ↓-4.5 | |
| 5/21 09:50 | 44.5 | ↓-4.5 | |
| 5/21 10:00 | 40.1 | ↓-4.4 | |
| 5/21 10:10 | 35.8 | ↓-4.3 | |
| 5/21 10:20 | 31.7 | ↓-4.1 | |
| 5/21 10:30 | 27.7 | ↓-4.0 | |
| 5/21 10:40 | 24.0 | ↓-3.7 | |
| 5/21 10:50 | 20.6 | ↓-3.4 | |
| 5/21 11:00 | 17.4 | ↓-3.2 | |
| 5/21 11:10 | 14.5 | ↓-2.9 | |
| 5/21 11:20 | 12.0 | ↓-2.5 | |
| 5/21 11:30 | 9.8 | ↓-2.2 | |
| 5/21 11:40 | 8.0 | ↓-1.8 | |
| 5/21 11:50 | 6.5 | ↓-1.5 | |
| 5/21 12:00 | 5.4 | ↓-1.1 | |
| 5/21 12:10 | 4.6 | ↓-0.8 | |
| 5/21 12:20 | 4.1 | ↓-0.5 | |
| 5/21 12:30 | 3.9 | ↓-0.2 | 干潮 |
| 5/21 12:40 | 4.1 | ↑0.2 | |
| 5/21 12:50 | 4.5 | ↑0.4 | |
| 5/21 13:00 | 5.2 | ↑0.7 | |
| 5/21 13:10 | 6.1 | ↑0.9 | |
| 5/21 13:20 | 7.3 | ↑1.2 | |
| 5/21 13:30 | 8.7 | ↑1.4 | |
| 5/21 13:40 | 10.3 | ↑1.6 | |
| 5/21 13:50 | 12.2 | ↑1.9 | |
| 5/21 14:00 | 14.2 | ↑2.0 | |
| 5/21 14:10 | 16.5 | ↑2.3 | |
| 5/21 14:20 | 19.0 | ↑2.5 | |
| 5/21 14:30 | 21.7 | ↑2.7 | |
| 5/21 14:40 | 24.6 | ↑2.9 | |
| 5/21 14:50 | 27.7 | ↑3.1 | |
| 5/21 15:00 | 31.1 | ↑3.4 | |
| 5/21 15:10 | 34.6 | ↑3.5 | |
| 5/21 15:20 | 38.3 | ↑3.7 | |
| 5/21 15:30 | 42.2 | ↑3.9 | |
| 5/21 15:40 | 46.2 | ↑4.0 | |
| 5/21 15:50 | 50.3 | ↑4.1 | |
| 5/21 16:00 | 54.5 | ↑4.2 | |
| 5/21 16:10 | 58.7 | ↑4.2 | |
| 5/21 16:20 | 62.9 | ↑4.2 | |
| 5/21 16:30 | 67.1 | ↑4.2 | |
| 5/21 16:40 | 71.3 | ↑4.2 | |
| 5/21 16:50 | 75.2 | ↑3.9 | |
| 5/21 17:00 | 79.1 | ↑3.9 | |
| 5/21 17:10 | 82.7 | ↑3.6 | |
| 5/21 17:20 | 86.2 | ↑3.5 | |
| 5/21 17:30 | 89.4 | ↑3.2 | |
| 5/21 17:40 | 92.4 | ↑3.0 | |
| 5/21 17:50 | 95.1 | ↑2.7 | |
| 5/21 18:00 | 97.5 | ↑2.4 | |
| 5/21 18:10 | 99.8 | ↑2.3 | |
| 5/21 18:20 | 101.7 | ↑1.9 | |
| 5/21 18:30 | 103.4 | ↑1.7 | |
| 5/21 18:40 | 104.9 | ↑1.5 | |
| 5/21 18:50 | 106.3 | ↑1.4 | |
| 5/21 19:00 | 107.4 | ↑1.1 | |
| 5/21 19:10 | 108.3 | ↑0.9 | |
| 5/21 19:20 | 109.2 | ↑0.9 | |
| 5/21 19:30 | 109.8 | ↑0.6 | |
| 5/21 19:40 | 110.4 | ↑0.6 | |
| 5/21 19:50 | 110.8 | ↑0.4 | |
| 5/21 20:00 | 111.2 | ↑0.4 | |
| 5/21 20:10 | 111.4 | ↑0.2 | |
| 5/21 20:20 | 111.5 | ↑0.1 | 満潮 |
| 5/21 20:30 | 111.5 | 0 | |
| 5/21 20:40 | 111.4 | ↓-0.1 | |
| 5/21 20:50 | 111.1 | ↓-0.3 | |
| 5/21 21:00 | 110.7 | ↓-0.4 | |
| 5/21 21:10 | 110.2 | ↓-0.5 | |
| 5/21 21:20 | 109.6 | ↓-0.6 | |
| 5/21 21:30 | 108.8 | ↓-0.8 | |
| 5/21 21:40 | 107.9 | ↓-0.9 | |
| 5/21 21:50 | 106.9 | ↓-1.0 | |
| 5/21 22:00 | 105.9 | ↓-1.0 | |
| 5/21 22:10 | 104.8 | ↓-1.1 | |
| 5/21 22:20 | 103.6 | ↓-1.2 | |
| 5/21 22:30 | 102.5 | ↓-1.1 | |
| 5/21 22:40 | 101.3 | ↓-1.2 | |
| 5/21 22:50 | 100.2 | ↓-1.1 | |
| 5/21 23:00 | 99.2 | ↓-1.0 | |
| 5/21 23:10 | 98.3 | ↓-0.9 | |
| 5/21 23:20 | 97.5 | ↓-0.8 | |
| 5/21 23:30 | 96.9 | ↓-0.6 | |
| 5/21 23:40 | 96.4 | ↓-0.5 | |
| 5/21 23:50 | 96.1 | ↓-0.3 |