| 満潮 | 干潮 | 満潮 | 干潮 |
|
21
(日) |
04:12 | 11:24 | 18:29 | 23:12 |
| 146cm | 1cm | 123cm | 83cm | |
|
||||
苫小牧（北海道）2034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 | 89.2 | ↑1.6 | |
| 5/21 00:10 | 91.0 | ↑1.8 | |
| 5/21 00:20 | 92.8 | ↑1.8 | |
| 5/21 00:30 | 94.8 | ↑2.0 | |
| 5/21 00:40 | 96.9 | ↑2.1 | |
| 5/21 00:50 | 99.1 | ↑2.2 | |
| 5/21 01:00 | 101.4 | ↑2.3 | |
| 5/21 01:10 | 103.9 | ↑2.5 | |
| 5/21 01:20 | 106.5 | ↑2.6 | |
| 5/21 01:30 | 109.3 | ↑2.8 | |
| 5/21 01:40 | 112.1 | ↑2.8 | |
| 5/21 01:50 | 115.1 | ↑3.0 | |
| 5/21 02:00 | 118.1 | ↑3.0 | |
| 5/21 02:10 | 121.2 | ↑3.1 | |
| 5/21 02:20 | 124.3 | ↑3.1 | |
| 5/21 02:30 | 127.3 | ↑3.0 | |
| 5/21 02:40 | 130.2 | ↑2.9 | |
| 5/21 02:50 | 133.0 | ↑2.8 | |
| 5/21 03:00 | 135.7 | ↑2.7 | |
| 5/21 03:10 | 138.1 | ↑2.4 | |
| 5/21 03:20 | 140.2 | ↑2.1 | |
| 5/21 03:30 | 142.0 | ↑1.8 | |
| 5/21 03:40 | 143.4 | ↑1.4 | |
| 5/21 03:50 | 144.5 | ↑1.1 | |
| 5/21 04:00 | 145.2 | ↑0.7 | |
| 5/21 04:10 | 145.4 | ↑0.2 | 満潮 |
| 5/21 04:20 | 145.3 | ↓-0.1 | |
| 5/21 04:30 | 144.7 | ↓-0.6 | |
| 5/21 04:40 | 143.7 | ↓-1.0 | |
| 5/21 04:50 | 142.4 | ↓-1.3 | |
| 5/21 05:00 | 140.7 | ↓-1.7 | |
| 5/21 05:10 | 138.7 | ↓-2.0 | |
| 5/21 05:20 | 136.4 | ↓-2.3 | |
| 5/21 05:30 | 133.8 | ↓-2.6 | |
| 5/21 05:40 | 130.9 | ↓-2.9 | |
| 5/21 05:50 | 127.8 | ↓-3.1 | |
| 5/21 06:00 | 124.6 | ↓-3.2 | |
| 5/21 06:10 | 121.1 | ↓-3.5 | |
| 5/21 06:20 | 117.5 | ↓-3.6 | |
| 5/21 06:30 | 113.7 | ↓-3.8 | |
| 5/21 06:40 | 109.7 | ↓-4.0 | |
| 5/21 06:50 | 105.6 | ↓-4.1 | |
| 5/21 07:00 | 101.3 | ↓-4.3 | |
| 5/21 07:10 | 96.9 | ↓-4.4 | |
| 5/21 07:20 | 92.3 | ↓-4.6 | |
| 5/21 07:30 | 87.5 | ↓-4.8 | |
| 5/21 07:40 | 82.6 | ↓-4.9 | |
| 5/21 07:50 | 77.5 | ↓-5.1 | |
| 5/21 08:00 | 72.3 | ↓-5.2 | |
| 5/21 08:10 | 67.0 | ↓-5.3 | |
| 5/21 08:20 | 61.7 | ↓-5.3 | |
| 5/21 08:30 | 56.3 | ↓-5.4 | 最大潮位差 |
| 5/21 08:40 | 50.9 | ↓-5.4 | 最大潮位差 |
| 5/21 08:50 | 45.6 | ↓-5.3 | |
| 5/21 09:00 | 40.4 | ↓-5.2 | |
| 5/21 09:10 | 35.3 | ↓-5.1 | |
| 5/21 09:20 | 30.5 | ↓-4.8 | |
| 5/21 09:30 | 25.9 | ↓-4.6 | |
| 5/21 09:40 | 21.6 | ↓-4.3 | |
| 5/21 09:50 | 17.7 | ↓-3.9 | |
| 5/21 10:00 | 14.1 | ↓-3.6 | |
| 5/21 10:10 | 11.0 | ↓-3.1 | |
| 5/21 10:20 | 8.2 | ↓-2.8 | |
| 5/21 10:30 | 5.9 | ↓-2.3 | |
| 5/21 10:40 | 4.0 | ↓-1.9 | |
| 5/21 10:50 | 2.5 | ↓-1.5 | |
| 5/21 11:00 | 1.4 | ↓-1.1 | |
| 5/21 11:10 | 0.7 | ↓-0.7 | |
| 5/21 11:20 | 0.4 | ↓-0.3 | 干潮 |
| 5/21 11:30 | 0.5 | ↑0.1 | |
| 5/21 11:40 | 0.9 | ↑0.4 | |
| 5/21 11:50 | 1.6 | ↑0.7 | |
| 5/21 12:00 | 2.6 | ↑1.0 | |
| 5/21 12:10 | 3.9 | ↑1.3 | |
| 5/21 12:20 | 5.5 | ↑1.6 | |
| 5/21 12:30 | 7.4 | ↑1.9 | |
| 5/21 12:40 | 9.5 | ↑2.1 | |
| 5/21 12:50 | 11.9 | ↑2.4 | |
| 5/21 13:00 | 14.6 | ↑2.7 | |
| 5/21 13:10 | 17.6 | ↑3.0 | |
| 5/21 13:20 | 20.8 | ↑3.2 | |
| 5/21 13:30 | 24.4 | ↑3.6 | |
| 5/21 13:40 | 28.2 | ↑3.8 | |
| 5/21 13:50 | 32.3 | ↑4.1 | |
| 5/21 14:00 | 36.6 | ↑4.3 | |
| 5/21 14:10 | 41.2 | ↑4.6 | |
| 5/21 14:20 | 45.9 | ↑4.7 | |
| 5/21 14:30 | 50.9 | ↑5.0 | |
| 5/21 14:40 | 56.0 | ↑5.1 | |
| 5/21 14:50 | 61.1 | ↑5.1 | |
| 5/21 15:00 | 66.3 | ↑5.2 | |
| 5/21 15:10 | 71.5 | ↑5.2 | |
| 5/21 15:20 | 76.6 | ↑5.1 | |
| 5/21 15:30 | 81.5 | ↑4.9 | |
| 5/21 15:40 | 86.3 | ↑4.8 | |
| 5/21 15:50 | 90.9 | ↑4.6 | |
| 5/21 16:00 | 95.2 | ↑4.3 | |
| 5/21 16:10 | 99.2 | ↑4.0 | |
| 5/21 16:20 | 102.9 | ↑3.7 | |
| 5/21 16:30 | 106.2 | ↑3.3 | |
| 5/21 16:40 | 109.2 | ↑3.0 | |
| 5/21 16:50 | 111.8 | ↑2.6 | |
| 5/21 17:00 | 114.1 | ↑2.3 | |
| 5/21 17:10 | 116.1 | ↑2.0 | |
| 5/21 17:20 | 117.7 | ↑1.6 | |
| 5/21 17:30 | 119.1 | ↑1.4 | |
| 5/21 17:40 | 120.2 | ↑1.1 | |
| 5/21 17:50 | 121.0 | ↑0.8 | |
| 5/21 18:00 | 121.6 | ↑0.6 | |
| 5/21 18:10 | 122.1 | ↑0.5 | |
| 5/21 18:20 | 122.3 | ↑0.2 | 満潮 |
| 5/21 18:30 | 122.3 | 0 | |
| 5/21 18:40 | 122.2 | ↓-0.1 | |
| 5/21 18:50 | 122.0 | ↓-0.2 | |
| 5/21 19:00 | 121.5 | ↓-0.5 | |
| 5/21 19:10 | 120.9 | ↓-0.6 | |
| 5/21 19:20 | 120.1 | ↓-0.8 | |
| 5/21 19:30 | 119.1 | ↓-1.0 | |
| 5/21 19:40 | 117.9 | ↓-1.2 | |
| 5/21 19:50 | 116.6 | ↓-1.3 | |
| 5/21 20:00 | 115.0 | ↓-1.6 | |
| 5/21 20:10 | 113.3 | ↓-1.7 | |
| 5/21 20:20 | 111.4 | ↓-1.9 | |
| 5/21 20:30 | 109.3 | ↓-2.1 | |
| 5/21 20:40 | 107.1 | ↓-2.2 | |
| 5/21 20:50 | 104.8 | ↓-2.3 | |
| 5/21 21:00 | 102.4 | ↓-2.4 | |
| 5/21 21:10 | 100.0 | ↓-2.4 | |
| 5/21 21:20 | 97.6 | ↓-2.4 | |
| 5/21 21:30 | 95.2 | ↓-2.4 | |
| 5/21 21:40 | 93.0 | ↓-2.2 | |
| 5/21 21:50 | 90.9 | ↓-2.1 | |
| 5/21 22:00 | 89.0 | ↓-1.9 | |
| 5/21 22:10 | 87.3 | ↓-1.7 | |
| 5/21 22:20 | 85.8 | ↓-1.5 | |
| 5/21 22:30 | 84.5 | ↓-1.3 | |
| 5/21 22:40 | 83.6 | ↓-0.9 | |
| 5/21 22:50 | 82.9 | ↓-0.7 | |
| 5/21 23:00 | 82.5 | ↓-0.4 | |
| 5/21 23:10 | 82.3 | ↓-0.2 | 干潮 |
| 5/21 23:20 | 82.5 | ↑0.2 | |
| 5/21 23:30 | 82.8 | ↑0.3 | |
| 5/21 23:40 | 83.3 | ↑0.5 | |
| 5/21 23:50 | 84.1 | ↑0.8 |