| 満潮 | 干潮 | 満潮 | 干潮 |
|
21
(月) |
07:20 | 02:01 | 21:54 | 14:47 |
| 111cm | 87cm | 111cm | 40cm | |
|
||||
苫小牧（北海道）2029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 | 95.0 | ↓-1.3 | |
| 5/21 00:10 | 93.7 | ↓-1.3 | |
| 5/21 00:20 | 92.5 | ↓-1.2 | |
| 5/21 00:30 | 91.4 | ↓-1.1 | |
| 5/21 00:40 | 90.3 | ↓-1.1 | |
| 5/21 00:50 | 89.3 | ↓-1.0 | |
| 5/21 01:00 | 88.5 | ↓-0.8 | |
| 5/21 01:10 | 87.8 | ↓-0.7 | |
| 5/21 01:20 | 87.2 | ↓-0.6 | |
| 5/21 01:30 | 86.7 | ↓-0.5 | |
| 5/21 01:40 | 86.4 | ↓-0.3 | |
| 5/21 01:50 | 86.2 | ↓-0.2 | |
| 5/21 02:00 | 86.2 | 0 | 干潮 |
| 5/21 02:10 | 86.2 | 0 | |
| 5/21 02:20 | 86.4 | ↑0.2 | |
| 5/21 02:30 | 86.7 | ↑0.3 | |
| 5/21 02:40 | 87.0 | ↑0.3 | |
| 5/21 02:50 | 87.4 | ↑0.4 | |
| 5/21 03:00 | 87.9 | ↑0.5 | |
| 5/21 03:10 | 88.5 | ↑0.6 | |
| 5/21 03:20 | 89.1 | ↑0.6 | |
| 5/21 03:30 | 89.8 | ↑0.7 | |
| 5/21 03:40 | 90.5 | ↑0.7 | |
| 5/21 03:50 | 91.3 | ↑0.8 | |
| 5/21 04:00 | 92.2 | ↑0.9 | |
| 5/21 04:10 | 93.1 | ↑0.9 | |
| 5/21 04:20 | 94.0 | ↑0.9 | |
| 5/21 04:30 | 95.0 | ↑1.0 | |
| 5/21 04:40 | 96.1 | ↑1.1 | |
| 5/21 04:50 | 97.2 | ↑1.1 | |
| 5/21 05:00 | 98.4 | ↑1.2 | |
| 5/21 05:10 | 99.6 | ↑1.2 | |
| 5/21 05:20 | 100.8 | ↑1.2 | |
| 5/21 05:30 | 102.1 | ↑1.3 | |
| 5/21 05:40 | 103.3 | ↑1.2 | |
| 5/21 05:50 | 104.5 | ↑1.2 | |
| 5/21 06:00 | 105.7 | ↑1.2 | |
| 5/21 06:10 | 106.8 | ↑1.1 | |
| 5/21 06:20 | 107.8 | ↑1.0 | |
| 5/21 06:30 | 108.6 | ↑0.8 | |
| 5/21 06:40 | 109.4 | ↑0.8 | |
| 5/21 06:50 | 110.0 | ↑0.6 | |
| 5/21 07:00 | 110.4 | ↑0.4 | |
| 5/21 07:10 | 110.7 | ↑0.3 | 満潮 |
| 5/21 07:20 | 110.7 | 0 | 満潮 |
| 5/21 07:30 | 110.6 | ↓-0.1 | |
| 5/21 07:40 | 110.3 | ↓-0.3 | |
| 5/21 07:50 | 109.8 | ↓-0.5 | |
| 5/21 08:00 | 109.1 | ↓-0.7 | |
| 5/21 08:10 | 108.3 | ↓-0.8 | |
| 5/21 08:20 | 107.3 | ↓-1.0 | |
| 5/21 08:30 | 106.1 | ↓-1.2 | |
| 5/21 08:40 | 104.8 | ↓-1.3 | |
| 5/21 08:50 | 103.4 | ↓-1.4 | |
| 5/21 09:00 | 101.9 | ↓-1.5 | |
| 5/21 09:10 | 100.3 | ↓-1.6 | |
| 5/21 09:20 | 98.5 | ↓-1.8 | |
| 5/21 09:30 | 96.8 | ↓-1.7 | |
| 5/21 09:40 | 94.9 | ↓-1.9 | |
| 5/21 09:50 | 93.0 | ↓-1.9 | |
| 5/21 10:00 | 91.0 | ↓-2.0 | |
| 5/21 10:10 | 89.0 | ↓-2.0 | |
| 5/21 10:20 | 86.9 | ↓-2.1 | |
| 5/21 10:30 | 84.7 | ↓-2.2 | |
| 5/21 10:40 | 82.5 | ↓-2.2 | |
| 5/21 10:50 | 80.2 | ↓-2.3 | |
| 5/21 11:00 | 77.9 | ↓-2.3 | |
| 5/21 11:10 | 75.5 | ↓-2.4 | |
| 5/21 11:20 | 73.1 | ↓-2.4 | |
| 5/21 11:30 | 70.6 | ↓-2.5 | |
| 5/21 11:40 | 68.2 | ↓-2.4 | |
| 5/21 11:50 | 65.7 | ↓-2.5 | |
| 5/21 12:00 | 63.2 | ↓-2.5 | |
| 5/21 12:10 | 60.8 | ↓-2.4 | |
| 5/21 12:20 | 58.4 | ↓-2.4 | |
| 5/21 12:30 | 56.0 | ↓-2.4 | |
| 5/21 12:40 | 53.8 | ↓-2.2 | |
| 5/21 12:50 | 51.6 | ↓-2.2 | |
| 5/21 13:00 | 49.6 | ↓-2.0 | |
| 5/21 13:10 | 47.8 | ↓-1.8 | |
| 5/21 13:20 | 46.1 | ↓-1.7 | |
| 5/21 13:30 | 44.5 | ↓-1.6 | |
| 5/21 13:40 | 43.2 | ↓-1.3 | |
| 5/21 13:50 | 42.0 | ↓-1.2 | |
| 5/21 14:00 | 41.0 | ↓-1.0 | |
| 5/21 14:10 | 40.2 | ↓-0.8 | |
| 5/21 14:20 | 39.6 | ↓-0.6 | |
| 5/21 14:30 | 39.2 | ↓-0.4 | |
| 5/21 14:40 | 39.0 | ↓-0.2 | 干潮 |
| 5/21 14:50 | 39.0 | 0 | |
| 5/21 15:00 | 39.2 | ↑0.2 | |
| 5/21 15:10 | 39.5 | ↑0.3 | |
| 5/21 15:20 | 40.0 | ↑0.5 | |
| 5/21 15:30 | 40.7 | ↑0.7 | |
| 5/21 15:40 | 41.6 | ↑0.9 | |
| 5/21 15:50 | 42.6 | ↑1.0 | |
| 5/21 16:00 | 43.8 | ↑1.2 | |
| 5/21 16:10 | 45.1 | ↑1.3 | |
| 5/21 16:20 | 46.6 | ↑1.5 | |
| 5/21 16:30 | 48.3 | ↑1.7 | |
| 5/21 16:40 | 50.2 | ↑1.9 | |
| 5/21 16:50 | 52.2 | ↑2.0 | |
| 5/21 17:00 | 54.3 | ↑2.1 | |
| 5/21 17:10 | 56.6 | ↑2.3 | |
| 5/21 17:20 | 59.1 | ↑2.5 | |
| 5/21 17:30 | 61.6 | ↑2.5 | |
| 5/21 17:40 | 64.3 | ↑2.7 | |
| 5/21 17:50 | 67.0 | ↑2.7 | |
| 5/21 18:00 | 69.9 | ↑2.9 | 最大潮位差 |
| 5/21 18:10 | 72.7 | ↑2.8 | |
| 5/21 18:20 | 75.6 | ↑2.9 | 最大潮位差 |
| 5/21 18:30 | 78.5 | ↑2.9 | 最大潮位差 |
| 5/21 18:40 | 81.4 | ↑2.9 | 最大潮位差 |
| 5/21 18:50 | 84.2 | ↑2.8 | |
| 5/21 19:00 | 86.9 | ↑2.7 | |
| 5/21 19:10 | 89.6 | ↑2.7 | |
| 5/21 19:20 | 92.1 | ↑2.5 | |
| 5/21 19:30 | 94.4 | ↑2.3 | |
| 5/21 19:40 | 96.6 | ↑2.2 | |
| 5/21 19:50 | 98.7 | ↑2.1 | |
| 5/21 20:00 | 100.6 | ↑1.9 | |
| 5/21 20:10 | 102.3 | ↑1.7 | |
| 5/21 20:20 | 103.8 | ↑1.5 | |
| 5/21 20:30 | 105.1 | ↑1.3 | |
| 5/21 20:40 | 106.3 | ↑1.2 | |
| 5/21 20:50 | 107.3 | ↑1.0 | |
| 5/21 21:00 | 108.1 | ↑0.8 | |
| 5/21 21:10 | 108.8 | ↑0.7 | |
| 5/21 21:20 | 109.3 | ↑0.5 | |
| 5/21 21:30 | 109.7 | ↑0.4 | |
| 5/21 21:40 | 109.9 | ↑0.2 | |
| 5/21 21:50 | 110.0 | ↑0.1 | 満潮 |
| 5/21 22:00 | 110.0 | 0 | |
| 5/21 22:10 | 109.8 | ↓-0.2 | |
| 5/21 22:20 | 109.6 | ↓-0.2 | |
| 5/21 22:30 | 109.2 | ↓-0.4 | |
| 5/21 22:40 | 108.7 | ↓-0.5 | |
| 5/21 22:50 | 108.0 | ↓-0.7 | |
| 5/21 23:00 | 107.3 | ↓-0.7 | |
| 5/21 23:10 | 106.4 | ↓-0.9 | |
| 5/21 23:20 | 105.5 | ↓-0.9 | |
| 5/21 23:30 | 104.4 | ↓-1.1 | |
| 5/21 23:40 | 103.2 | ↓-1.2 | |
| 5/21 23:50 | 101.9 | ↓-1.3 |