| 満潮 | 干潮 | 満潮 | 干潮 |
|
21
(木) |
02:01 | 09:07 | 16:01 | 20:56 |
| 138cm | 14cm | 126cm | 74cm | |
|
||||
苫小牧（北海道）2054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 | 115.5 | ↑3.2 | |
| 5/21 00:10 | 118.7 | ↑3.2 | |
| 5/21 00:20 | 121.7 | ↑3.0 | |
| 5/21 00:30 | 124.6 | ↑2.9 | |
| 5/21 00:40 | 127.2 | ↑2.6 | |
| 5/21 00:50 | 129.6 | ↑2.4 | |
| 5/21 01:00 | 131.8 | ↑2.2 | |
| 5/21 01:10 | 133.7 | ↑1.9 | |
| 5/21 01:20 | 135.2 | ↑1.5 | |
| 5/21 01:30 | 136.4 | ↑1.2 | |
| 5/21 01:40 | 137.3 | ↑0.9 | |
| 5/21 01:50 | 137.8 | ↑0.5 | |
| 5/21 02:00 | 138.0 | ↑0.2 | 満潮 |
| 5/21 02:10 | 137.8 | ↓-0.2 | |
| 5/21 02:20 | 137.3 | ↓-0.5 | |
| 5/21 02:30 | 136.5 | ↓-0.8 | |
| 5/21 02:40 | 135.5 | ↓-1.0 | |
| 5/21 02:50 | 134.1 | ↓-1.4 | |
| 5/21 03:00 | 132.5 | ↓-1.6 | |
| 5/21 03:10 | 130.6 | ↓-1.9 | |
| 5/21 03:20 | 128.5 | ↓-2.1 | |
| 5/21 03:30 | 126.2 | ↓-2.3 | |
| 5/21 03:40 | 123.6 | ↓-2.6 | |
| 5/21 03:50 | 120.9 | ↓-2.7 | |
| 5/21 04:00 | 117.9 | ↓-3.0 | |
| 5/21 04:10 | 114.7 | ↓-3.2 | |
| 5/21 04:20 | 111.3 | ↓-3.4 | |
| 5/21 04:30 | 107.7 | ↓-3.6 | |
| 5/21 04:40 | 103.9 | ↓-3.8 | |
| 5/21 04:50 | 99.9 | ↓-4.0 | |
| 5/21 05:00 | 95.7 | ↓-4.2 | |
| 5/21 05:10 | 91.3 | ↓-4.4 | |
| 5/21 05:20 | 86.8 | ↓-4.5 | |
| 5/21 05:30 | 82.1 | ↓-4.7 | |
| 5/21 05:40 | 77.4 | ↓-4.7 | |
| 5/21 05:50 | 72.5 | ↓-4.9 | 最大潮位差 |
| 5/21 06:00 | 67.6 | ↓-4.9 | 最大潮位差 |
| 5/21 06:10 | 62.7 | ↓-4.9 | 最大潮位差 |
| 5/21 06:20 | 57.9 | ↓-4.8 | |
| 5/21 06:30 | 53.1 | ↓-4.8 | |
| 5/21 06:40 | 48.5 | ↓-4.6 | |
| 5/21 06:50 | 44.0 | ↓-4.5 | |
| 5/21 07:00 | 39.8 | ↓-4.2 | |
| 5/21 07:10 | 35.8 | ↓-4.0 | |
| 5/21 07:20 | 32.1 | ↓-3.7 | |
| 5/21 07:30 | 28.7 | ↓-3.4 | |
| 5/21 07:40 | 25.7 | ↓-3.0 | |
| 5/21 07:50 | 23.0 | ↓-2.7 | |
| 5/21 08:00 | 20.6 | ↓-2.4 | |
| 5/21 08:10 | 18.6 | ↓-2.0 | |
| 5/21 08:20 | 16.9 | ↓-1.7 | |
| 5/21 08:30 | 15.6 | ↓-1.3 | |
| 5/21 08:40 | 14.6 | ↓-1.0 | |
| 5/21 08:50 | 14.0 | ↓-0.6 | |
| 5/21 09:00 | 13.6 | ↓-0.4 | 干潮 |
| 5/21 09:10 | 13.6 | 0 | |
| 5/21 09:20 | 13.9 | ↑0.3 | |
| 5/21 09:30 | 14.5 | ↑0.6 | |
| 5/21 09:40 | 15.3 | ↑0.8 | |
| 5/21 09:50 | 16.5 | ↑1.2 | |
| 5/21 10:00 | 17.9 | ↑1.4 | |
| 5/21 10:10 | 19.6 | ↑1.7 | |
| 5/21 10:20 | 21.6 | ↑2.0 | |
| 5/21 10:30 | 23.8 | ↑2.2 | |
| 5/21 10:40 | 26.4 | ↑2.6 | |
| 5/21 10:50 | 29.3 | ↑2.9 | |
| 5/21 11:00 | 32.4 | ↑3.1 | |
| 5/21 11:10 | 35.8 | ↑3.4 | |
| 5/21 11:20 | 39.5 | ↑3.7 | |
| 5/21 11:30 | 43.5 | ↑4.0 | |
| 5/21 11:40 | 47.6 | ↑4.1 | |
| 5/21 11:50 | 52.0 | ↑4.4 | |
| 5/21 12:00 | 56.5 | ↑4.5 | |
| 5/21 12:10 | 61.2 | ↑4.7 | |
| 5/21 12:20 | 65.9 | ↑4.7 | |
| 5/21 12:30 | 70.7 | ↑4.8 | |
| 5/21 12:40 | 75.4 | ↑4.7 | |
| 5/21 12:50 | 80.1 | ↑4.7 | |
| 5/21 13:00 | 84.7 | ↑4.6 | |
| 5/21 13:10 | 89.2 | ↑4.5 | |
| 5/21 13:20 | 93.4 | ↑4.2 | |
| 5/21 13:30 | 97.4 | ↑4.0 | |
| 5/21 13:40 | 101.2 | ↑3.8 | |
| 5/21 13:50 | 104.8 | ↑3.6 | |
| 5/21 14:00 | 108.0 | ↑3.2 | |
| 5/21 14:10 | 110.9 | ↑2.9 | |
| 5/21 14:20 | 113.6 | ↑2.7 | |
| 5/21 14:30 | 115.9 | ↑2.3 | |
| 5/21 14:40 | 118.0 | ↑2.1 | |
| 5/21 14:50 | 119.8 | ↑1.8 | |
| 5/21 15:00 | 121.3 | ↑1.5 | |
| 5/21 15:10 | 122.6 | ↑1.3 | |
| 5/21 15:20 | 123.6 | ↑1.0 | |
| 5/21 15:30 | 124.4 | ↑0.8 | |
| 5/21 15:40 | 125.0 | ↑0.6 | |
| 5/21 15:50 | 125.3 | ↑0.3 | |
| 5/21 16:00 | 125.4 | ↑0.1 | 満潮 |
| 5/21 16:10 | 125.3 | ↓-0.1 | |
| 5/21 16:20 | 124.9 | ↓-0.4 | |
| 5/21 16:30 | 124.3 | ↓-0.6 | |
| 5/21 16:40 | 123.5 | ↓-0.8 | |
| 5/21 16:50 | 122.5 | ↓-1.0 | |
| 5/21 17:00 | 121.2 | ↓-1.3 | |
| 5/21 17:10 | 119.6 | ↓-1.6 | |
| 5/21 17:20 | 117.8 | ↓-1.8 | |
| 5/21 17:30 | 115.8 | ↓-2.0 | |
| 5/21 17:40 | 113.6 | ↓-2.2 | |
| 5/21 17:50 | 111.1 | ↓-2.5 | |
| 5/21 18:00 | 108.5 | ↓-2.6 | |
| 5/21 18:10 | 105.8 | ↓-2.7 | |
| 5/21 18:20 | 102.9 | ↓-2.9 | |
| 5/21 18:30 | 100.0 | ↓-2.9 | |
| 5/21 18:40 | 97.1 | ↓-2.9 | |
| 5/21 18:50 | 94.1 | ↓-3.0 | |
| 5/21 19:00 | 91.3 | ↓-2.8 | |
| 5/21 19:10 | 88.5 | ↓-2.8 | |
| 5/21 19:20 | 86.0 | ↓-2.5 | |
| 5/21 19:30 | 83.6 | ↓-2.4 | |
| 5/21 19:40 | 81.4 | ↓-2.2 | |
| 5/21 19:50 | 79.4 | ↓-2.0 | |
| 5/21 20:00 | 77.8 | ↓-1.6 | |
| 5/21 20:10 | 76.4 | ↓-1.4 | |
| 5/21 20:20 | 75.3 | ↓-1.1 | |
| 5/21 20:30 | 74.5 | ↓-0.8 | |
| 5/21 20:40 | 73.9 | ↓-0.6 | |
| 5/21 20:50 | 73.6 | ↓-0.3 | 干潮 |
| 5/21 21:00 | 73.6 | 0 | |
| 5/21 21:10 | 73.9 | ↑0.3 | |
| 5/21 21:20 | 74.3 | ↑0.4 | |
| 5/21 21:30 | 75.0 | ↑0.7 | |
| 5/21 21:40 | 75.9 | ↑0.9 | |
| 5/21 21:50 | 77.0 | ↑1.1 | |
| 5/21 22:00 | 78.3 | ↑1.3 | |
| 5/21 22:10 | 79.7 | ↑1.4 | |
| 5/21 22:20 | 81.3 | ↑1.6 | |
| 5/21 22:30 | 83.1 | ↑1.8 | |
| 5/21 22:40 | 85.1 | ↑2.0 | |
| 5/21 22:50 | 87.2 | ↑2.1 | |
| 5/21 23:00 | 89.6 | ↑2.4 | |
| 5/21 23:10 | 92.1 | ↑2.5 | |
| 5/21 23:20 | 94.7 | ↑2.6 | |
| 5/21 23:30 | 97.6 | ↑2.9 | |
| 5/21 23:40 | 100.6 | ↑3.0 | |
| 5/21 23:50 | 103.7 | ↑3.1 |