| 満潮 | 干潮 | 満潮 | 干潮 |
|
21
(水) |
02:43 | 09:59 | 17:27 | 21:49 |
| 141cm | 6cm | 123cm | 90cm | |
|
||||
苫小牧（北海道）2008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 | 109.5 | ↑2.3 | |
| 5/21 00:10 | 111.9 | ↑2.4 | |
| 5/21 00:20 | 114.3 | ↑2.4 | |
| 5/21 00:30 | 116.9 | ↑2.6 | |
| 5/21 00:40 | 119.4 | ↑2.5 | |
| 5/21 00:50 | 122.0 | ↑2.6 | |
| 5/21 01:00 | 124.6 | ↑2.6 | |
| 5/21 01:10 | 127.1 | ↑2.5 | |
| 5/21 01:20 | 129.5 | ↑2.4 | |
| 5/21 01:30 | 131.7 | ↑2.2 | |
| 5/21 01:40 | 133.8 | ↑2.1 | |
| 5/21 01:50 | 135.7 | ↑1.9 | |
| 5/21 02:00 | 137.3 | ↑1.6 | |
| 5/21 02:10 | 138.5 | ↑1.2 | |
| 5/21 02:20 | 139.5 | ↑1.0 | |
| 5/21 02:30 | 140.1 | ↑0.6 | |
| 5/21 02:40 | 140.4 | ↑0.3 | 満潮 |
| 5/21 02:50 | 140.3 | ↓-0.1 | |
| 5/21 03:00 | 139.8 | ↓-0.5 | |
| 5/21 03:10 | 139.0 | ↓-0.8 | |
| 5/21 03:20 | 137.8 | ↓-1.2 | |
| 5/21 03:30 | 136.3 | ↓-1.5 | |
| 5/21 03:40 | 134.5 | ↓-1.8 | |
| 5/21 03:50 | 132.3 | ↓-2.2 | |
| 5/21 04:00 | 129.9 | ↓-2.4 | |
| 5/21 04:10 | 127.3 | ↓-2.6 | |
| 5/21 04:20 | 124.4 | ↓-2.9 | |
| 5/21 04:30 | 121.3 | ↓-3.1 | |
| 5/21 04:40 | 118.1 | ↓-3.2 | |
| 5/21 04:50 | 114.6 | ↓-3.5 | |
| 5/21 05:00 | 111.0 | ↓-3.6 | |
| 5/21 05:10 | 107.3 | ↓-3.7 | |
| 5/21 05:20 | 103.4 | ↓-3.9 | |
| 5/21 05:30 | 99.4 | ↓-4.0 | |
| 5/21 05:40 | 95.2 | ↓-4.2 | |
| 5/21 05:50 | 90.9 | ↓-4.3 | |
| 5/21 06:00 | 86.5 | ↓-4.4 | |
| 5/21 06:10 | 81.9 | ↓-4.6 | |
| 5/21 06:20 | 77.3 | ↓-4.6 | |
| 5/21 06:30 | 72.5 | ↓-4.8 | |
| 5/21 06:40 | 67.7 | ↓-4.8 | |
| 5/21 06:50 | 62.8 | ↓-4.9 | 最大潮位差 |
| 5/21 07:00 | 57.9 | ↓-4.9 | 最大潮位差 |
| 5/21 07:10 | 53.0 | ↓-4.9 | 最大潮位差 |
| 5/21 07:20 | 48.1 | ↓-4.9 | 最大潮位差 |
| 5/21 07:30 | 43.4 | ↓-4.7 | |
| 5/21 07:40 | 38.7 | ↓-4.7 | |
| 5/21 07:50 | 34.3 | ↓-4.4 | |
| 5/21 08:00 | 30.1 | ↓-4.2 | |
| 5/21 08:10 | 26.1 | ↓-4.0 | |
| 5/21 08:20 | 22.4 | ↓-3.7 | |
| 5/21 08:30 | 19.0 | ↓-3.4 | |
| 5/21 08:40 | 16.0 | ↓-3.0 | |
| 5/21 08:50 | 13.3 | ↓-2.7 | |
| 5/21 09:00 | 11.0 | ↓-2.3 | |
| 5/21 09:10 | 9.1 | ↓-1.9 | |
| 5/21 09:20 | 7.6 | ↓-1.5 | |
| 5/21 09:30 | 6.4 | ↓-1.2 | |
| 5/21 09:40 | 5.6 | ↓-0.8 | |
| 5/21 09:50 | 5.2 | ↓-0.4 | 干潮 |
| 5/21 10:00 | 5.1 | ↓-0.1 | |
| 5/21 10:10 | 5.4 | ↑0.3 | |
| 5/21 10:20 | 5.9 | ↑0.5 | |
| 5/21 10:30 | 6.7 | ↑0.8 | |
| 5/21 10:40 | 7.8 | ↑1.1 | |
| 5/21 10:50 | 9.1 | ↑1.3 | |
| 5/21 11:00 | 10.8 | ↑1.7 | |
| 5/21 11:10 | 12.6 | ↑1.8 | |
| 5/21 11:20 | 14.7 | ↑2.1 | |
| 5/21 11:30 | 17.0 | ↑2.3 | |
| 5/21 11:40 | 19.6 | ↑2.6 | |
| 5/21 11:50 | 22.5 | ↑2.9 | |
| 5/21 12:00 | 25.5 | ↑3.0 | |
| 5/21 12:10 | 28.9 | ↑3.4 | |
| 5/21 12:20 | 32.4 | ↑3.5 | |
| 5/21 12:30 | 36.2 | ↑3.8 | |
| 5/21 12:40 | 40.2 | ↑4.0 | |
| 5/21 12:50 | 44.5 | ↑4.3 | |
| 5/21 13:00 | 48.8 | ↑4.3 | |
| 5/21 13:10 | 53.4 | ↑4.6 | |
| 5/21 13:20 | 58.0 | ↑4.6 | |
| 5/21 13:30 | 62.7 | ↑4.7 | |
| 5/21 13:40 | 67.4 | ↑4.7 | |
| 5/21 13:50 | 72.2 | ↑4.8 | |
| 5/21 14:00 | 76.8 | ↑4.6 | |
| 5/21 14:10 | 81.4 | ↑4.6 | |
| 5/21 14:20 | 85.8 | ↑4.4 | |
| 5/21 14:30 | 90.0 | ↑4.2 | |
| 5/21 14:40 | 94.0 | ↑4.0 | |
| 5/21 14:50 | 97.7 | ↑3.7 | |
| 5/21 15:00 | 101.2 | ↑3.5 | |
| 5/21 15:10 | 104.4 | ↑3.2 | |
| 5/21 15:20 | 107.3 | ↑2.9 | |
| 5/21 15:30 | 109.9 | ↑2.6 | |
| 5/21 15:40 | 112.2 | ↑2.3 | |
| 5/21 15:50 | 114.2 | ↑2.0 | |
| 5/21 16:00 | 116.0 | ↑1.8 | |
| 5/21 16:10 | 117.5 | ↑1.5 | |
| 5/21 16:20 | 118.8 | ↑1.3 | |
| 5/21 16:30 | 119.9 | ↑1.1 | |
| 5/21 16:40 | 120.8 | ↑0.9 | |
| 5/21 16:50 | 121.5 | ↑0.7 | |
| 5/21 17:00 | 122.0 | ↑0.5 | |
| 5/21 17:10 | 122.4 | ↑0.4 | |
| 5/21 17:20 | 122.5 | ↑0.1 | 満潮 |
| 5/21 17:30 | 122.5 | 0 | |
| 5/21 17:40 | 122.4 | ↓-0.1 | |
| 5/21 17:50 | 122.1 | ↓-0.3 | |
| 5/21 18:00 | 121.5 | ↓-0.6 | |
| 5/21 18:10 | 120.8 | ↓-0.7 | |
| 5/21 18:20 | 120.0 | ↓-0.8 | |
| 5/21 18:30 | 118.9 | ↓-1.1 | |
| 5/21 18:40 | 117.6 | ↓-1.3 | |
| 5/21 18:50 | 116.2 | ↓-1.4 | |
| 5/21 19:00 | 114.5 | ↓-1.7 | |
| 5/21 19:10 | 112.8 | ↓-1.7 | |
| 5/21 19:20 | 110.9 | ↓-1.9 | |
| 5/21 19:30 | 108.9 | ↓-2.0 | |
| 5/21 19:40 | 106.8 | ↓-2.1 | |
| 5/21 19:50 | 104.8 | ↓-2.0 | |
| 5/21 20:00 | 102.7 | ↓-2.1 | |
| 5/21 20:10 | 100.7 | ↓-2.0 | |
| 5/21 20:20 | 98.7 | ↓-2.0 | |
| 5/21 20:30 | 96.9 | ↓-1.8 | |
| 5/21 20:40 | 95.2 | ↓-1.7 | |
| 5/21 20:50 | 93.8 | ↓-1.4 | |
| 5/21 21:00 | 92.5 | ↓-1.3 | |
| 5/21 21:10 | 91.5 | ↓-1.0 | |
| 5/21 21:20 | 90.7 | ↓-0.8 | |
| 5/21 21:30 | 90.1 | ↓-0.6 | |
| 5/21 21:40 | 89.8 | ↓-0.3 | 干潮 |
| 5/21 21:50 | 89.8 | 0 | |
| 5/21 22:00 | 89.9 | ↑0.1 | |
| 5/21 22:10 | 90.3 | ↑0.4 | |
| 5/21 22:20 | 90.9 | ↑0.6 | |
| 5/21 22:30 | 91.6 | ↑0.7 | |
| 5/21 22:40 | 92.5 | ↑0.9 | |
| 5/21 22:50 | 93.6 | ↑1.1 | |
| 5/21 23:00 | 94.7 | ↑1.1 | |
| 5/21 23:10 | 96.0 | ↑1.3 | |
| 5/21 23:20 | 97.4 | ↑1.4 | |
| 5/21 23:30 | 98.9 | ↑1.5 | |
| 5/21 23:40 | 100.5 | ↑1.6 | |
| 5/21 23:50 | 102.2 | ↑1.7 |