| 満潮 | 干潮 | 満潮 | 干潮 |
|
21
(木) |
04:52 | 12:34 | 20:28 | 23:58 |
| 144cm | 6cm | 112cm | 96cm | |
|
||||
苫小牧（北海道）2026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 | 99.6 | ↑0.9 | |
| 5/21 00:10 | 100.5 | ↑0.9 | |
| 5/21 00:20 | 101.6 | ↑1.1 | |
| 5/21 00:30 | 102.8 | ↑1.2 | |
| 5/21 00:40 | 104.1 | ↑1.3 | |
| 5/21 00:50 | 105.5 | ↑1.4 | |
| 5/21 01:00 | 106.9 | ↑1.4 | |
| 5/21 01:10 | 108.3 | ↑1.4 | |
| 5/21 01:20 | 109.9 | ↑1.6 | |
| 5/21 01:30 | 111.5 | ↑1.6 | |
| 5/21 01:40 | 113.1 | ↑1.6 | |
| 5/21 01:50 | 114.8 | ↑1.7 | |
| 5/21 02:00 | 116.6 | ↑1.8 | |
| 5/21 02:10 | 118.4 | ↑1.8 | |
| 5/21 02:20 | 120.3 | ↑1.9 | |
| 5/21 02:30 | 122.3 | ↑2.0 | |
| 5/21 02:40 | 124.3 | ↑2.0 | |
| 5/21 02:50 | 126.3 | ↑2.0 | |
| 5/21 03:00 | 128.4 | ↑2.1 | |
| 5/21 03:10 | 130.5 | ↑2.1 | |
| 5/21 03:20 | 132.5 | ↑2.0 | |
| 5/21 03:30 | 134.5 | ↑2.0 | |
| 5/21 03:40 | 136.4 | ↑1.9 | |
| 5/21 03:50 | 138.1 | ↑1.7 | |
| 5/21 04:00 | 139.7 | ↑1.6 | |
| 5/21 04:10 | 141.0 | ↑1.3 | |
| 5/21 04:20 | 142.1 | ↑1.1 | |
| 5/21 04:30 | 143.0 | ↑0.9 | |
| 5/21 04:40 | 143.5 | ↑0.5 | |
| 5/21 04:50 | 143.7 | ↑0.2 | 満潮 |
| 5/21 05:00 | 143.6 | ↓-0.1 | |
| 5/21 05:10 | 143.1 | ↓-0.5 | |
| 5/21 05:20 | 142.3 | ↓-0.8 | |
| 5/21 05:30 | 141.1 | ↓-1.2 | |
| 5/21 05:40 | 139.6 | ↓-1.5 | |
| 5/21 05:50 | 137.8 | ↓-1.8 | |
| 5/21 06:00 | 135.7 | ↓-2.1 | |
| 5/21 06:10 | 133.3 | ↓-2.4 | |
| 5/21 06:20 | 130.7 | ↓-2.6 | |
| 5/21 06:30 | 127.9 | ↓-2.8 | |
| 5/21 06:40 | 124.9 | ↓-3.0 | |
| 5/21 06:50 | 121.7 | ↓-3.2 | |
| 5/21 07:00 | 118.3 | ↓-3.4 | |
| 5/21 07:10 | 114.8 | ↓-3.5 | |
| 5/21 07:20 | 111.2 | ↓-3.6 | |
| 5/21 07:30 | 107.5 | ↓-3.7 | |
| 5/21 07:40 | 103.6 | ↓-3.9 | |
| 5/21 07:50 | 99.7 | ↓-3.9 | |
| 5/21 08:00 | 95.6 | ↓-4.1 | |
| 5/21 08:10 | 91.5 | ↓-4.1 | |
| 5/21 08:20 | 87.2 | ↓-4.3 | |
| 5/21 08:30 | 82.9 | ↓-4.3 | |
| 5/21 08:40 | 78.4 | ↓-4.5 | |
| 5/21 08:50 | 73.9 | ↓-4.5 | |
| 5/21 09:00 | 69.3 | ↓-4.6 | |
| 5/21 09:10 | 64.6 | ↓-4.7 | 最大潮位差 |
| 5/21 09:20 | 59.9 | ↓-4.7 | 最大潮位差 |
| 5/21 09:30 | 55.2 | ↓-4.7 | 最大潮位差 |
| 5/21 09:40 | 50.6 | ↓-4.6 | |
| 5/21 09:50 | 46.0 | ↓-4.6 | |
| 5/21 10:00 | 41.5 | ↓-4.5 | |
| 5/21 10:10 | 37.1 | ↓-4.4 | |
| 5/21 10:20 | 32.9 | ↓-4.2 | |
| 5/21 10:30 | 29.0 | ↓-3.9 | |
| 5/21 10:40 | 25.2 | ↓-3.8 | |
| 5/21 10:50 | 21.8 | ↓-3.4 | |
| 5/21 11:00 | 18.6 | ↓-3.2 | |
| 5/21 11:10 | 15.8 | ↓-2.8 | |
| 5/21 11:20 | 13.3 | ↓-2.5 | |
| 5/21 11:30 | 11.1 | ↓-2.2 | |
| 5/21 11:40 | 9.3 | ↓-1.8 | |
| 5/21 11:50 | 7.9 | ↓-1.4 | |
| 5/21 12:00 | 6.7 | ↓-1.2 | |
| 5/21 12:10 | 5.9 | ↓-0.8 | |
| 5/21 12:20 | 5.4 | ↓-0.5 | |
| 5/21 12:30 | 5.2 | ↓-0.2 | 干潮 |
| 5/21 12:40 | 5.2 | 0 | |
| 5/21 12:50 | 5.5 | ↑0.3 | |
| 5/21 13:00 | 6.1 | ↑0.6 | |
| 5/21 13:10 | 6.9 | ↑0.8 | |
| 5/21 13:20 | 8.0 | ↑1.1 | |
| 5/21 13:30 | 9.3 | ↑1.3 | |
| 5/21 13:40 | 10.8 | ↑1.5 | |
| 5/21 13:50 | 12.6 | ↑1.8 | |
| 5/21 14:00 | 14.5 | ↑1.9 | |
| 5/21 14:10 | 16.8 | ↑2.3 | |
| 5/21 14:20 | 19.2 | ↑2.4 | |
| 5/21 14:30 | 21.9 | ↑2.7 | |
| 5/21 14:40 | 24.8 | ↑2.9 | |
| 5/21 14:50 | 28.0 | ↑3.2 | |
| 5/21 15:00 | 31.3 | ↑3.3 | |
| 5/21 15:10 | 34.9 | ↑3.6 | |
| 5/21 15:20 | 38.7 | ↑3.8 | |
| 5/21 15:30 | 42.6 | ↑3.9 | |
| 5/21 15:40 | 46.6 | ↑4.0 | |
| 5/21 15:50 | 50.8 | ↑4.2 | |
| 5/21 16:00 | 55.0 | ↑4.2 | |
| 5/21 16:10 | 59.2 | ↑4.2 | |
| 5/21 16:20 | 63.4 | ↑4.2 | |
| 5/21 16:30 | 67.5 | ↑4.1 | |
| 5/21 16:40 | 71.6 | ↑4.1 | |
| 5/21 16:50 | 75.4 | ↑3.8 | |
| 5/21 17:00 | 79.2 | ↑3.8 | |
| 5/21 17:10 | 82.7 | ↑3.5 | |
| 5/21 17:20 | 86.0 | ↑3.3 | |
| 5/21 17:30 | 89.0 | ↑3.0 | |
| 5/21 17:40 | 91.9 | ↑2.9 | |
| 5/21 17:50 | 94.4 | ↑2.5 | |
| 5/21 18:00 | 96.8 | ↑2.4 | |
| 5/21 18:10 | 98.9 | ↑2.1 | |
| 5/21 18:20 | 100.8 | ↑1.9 | |
| 5/21 18:30 | 102.5 | ↑1.7 | |
| 5/21 18:40 | 104.0 | ↑1.5 | |
| 5/21 18:50 | 105.3 | ↑1.3 | |
| 5/21 19:00 | 106.4 | ↑1.1 | |
| 5/21 19:10 | 107.5 | ↑1.1 | |
| 5/21 19:20 | 108.3 | ↑0.8 | |
| 5/21 19:30 | 109.1 | ↑0.8 | |
| 5/21 19:40 | 109.8 | ↑0.7 | |
| 5/21 19:50 | 110.3 | ↑0.5 | |
| 5/21 20:00 | 110.7 | ↑0.4 | |
| 5/21 20:10 | 111.0 | ↑0.3 | |
| 5/21 20:20 | 111.1 | ↑0.1 | 満潮 |
| 5/21 20:30 | 111.2 | ↑0.1 | |
| 5/21 20:40 | 111.0 | ↓-0.2 | |
| 5/21 20:50 | 110.8 | ↓-0.2 | |
| 5/21 21:00 | 110.4 | ↓-0.4 | |
| 5/21 21:10 | 109.8 | ↓-0.6 | |
| 5/21 21:20 | 109.1 | ↓-0.7 | |
| 5/21 21:30 | 108.3 | ↓-0.8 | |
| 5/21 21:40 | 107.3 | ↓-1.0 | |
| 5/21 21:50 | 106.3 | ↓-1.0 | |
| 5/21 22:00 | 105.1 | ↓-1.2 | |
| 5/21 22:10 | 104.0 | ↓-1.1 | |
| 5/21 22:20 | 102.8 | ↓-1.2 | |
| 5/21 22:30 | 101.6 | ↓-1.2 | |
| 5/21 22:40 | 100.5 | ↓-1.1 | |
| 5/21 22:50 | 99.4 | ↓-1.1 | |
| 5/21 23:00 | 98.4 | ↓-1.0 | |
| 5/21 23:10 | 97.6 | ↓-0.8 | |
| 5/21 23:20 | 96.9 | ↓-0.7 | |
| 5/21 23:30 | 96.4 | ↓-0.5 | |
| 5/21 23:40 | 96.0 | ↓-0.4 | |
| 5/21 23:50 | 95.8 | ↓-0.2 | 干潮 |