| 満潮 | 干潮 | 満潮 | 干潮 |
|
20
(火) |
02:10 | 09:28 | 16:48 | 21:14 |
| 140cm | 8cm | 123cm | 88cm | |
|
||||
苫小牧（北海道）2008年05月20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 |
|---|---|---|---|
| 5/20 00:00 | 116.5 | ↑2.7 | |
| 5/20 00:10 | 119.1 | ↑2.6 | |
| 5/20 00:20 | 121.8 | ↑2.7 | |
| 5/20 00:30 | 124.3 | ↑2.5 | |
| 5/20 00:40 | 126.8 | ↑2.5 | |
| 5/20 00:50 | 129.2 | ↑2.4 | |
| 5/20 01:00 | 131.4 | ↑2.2 | |
| 5/20 01:10 | 133.3 | ↑1.9 | |
| 5/20 01:20 | 135.0 | ↑1.7 | |
| 5/20 01:30 | 136.5 | ↑1.5 | |
| 5/20 01:40 | 137.7 | ↑1.2 | |
| 5/20 01:50 | 138.5 | ↑0.8 | |
| 5/20 02:00 | 139.0 | ↑0.5 | 満潮 |
| 5/20 02:10 | 139.1 | ↑0.1 | 満潮 |
| 5/20 02:20 | 138.9 | ↓-0.2 | |
| 5/20 02:30 | 138.4 | ↓-0.5 | |
| 5/20 02:40 | 137.5 | ↓-0.9 | |
| 5/20 02:50 | 136.3 | ↓-1.2 | |
| 5/20 03:00 | 134.8 | ↓-1.5 | |
| 5/20 03:10 | 133.1 | ↓-1.7 | |
| 5/20 03:20 | 131.0 | ↓-2.1 | |
| 5/20 03:30 | 128.7 | ↓-2.3 | |
| 5/20 03:40 | 126.2 | ↓-2.5 | |
| 5/20 03:50 | 123.4 | ↓-2.8 | |
| 5/20 04:00 | 120.5 | ↓-2.9 | |
| 5/20 04:10 | 117.4 | ↓-3.1 | |
| 5/20 04:20 | 114.1 | ↓-3.3 | |
| 5/20 04:30 | 110.6 | ↓-3.5 | |
| 5/20 04:40 | 107.0 | ↓-3.6 | |
| 5/20 04:50 | 103.2 | ↓-3.8 | |
| 5/20 05:00 | 99.2 | ↓-4.0 | |
| 5/20 05:10 | 95.1 | ↓-4.1 | |
| 5/20 05:20 | 90.8 | ↓-4.3 | |
| 5/20 05:30 | 86.4 | ↓-4.4 | |
| 5/20 05:40 | 81.8 | ↓-4.6 | |
| 5/20 05:50 | 77.2 | ↓-4.6 | |
| 5/20 06:00 | 72.4 | ↓-4.8 | |
| 5/20 06:10 | 67.6 | ↓-4.8 | |
| 5/20 06:20 | 62.7 | ↓-4.9 | 最大潮位差 |
| 5/20 06:30 | 57.9 | ↓-4.8 | |
| 5/20 06:40 | 53.0 | ↓-4.9 | 最大潮位差 |
| 5/20 06:50 | 48.2 | ↓-4.8 | |
| 5/20 07:00 | 43.6 | ↓-4.6 | |
| 5/20 07:10 | 39.1 | ↓-4.5 | |
| 5/20 07:20 | 34.7 | ↓-4.4 | |
| 5/20 07:30 | 30.6 | ↓-4.1 | |
| 5/20 07:40 | 26.8 | ↓-3.8 | |
| 5/20 07:50 | 23.3 | ↓-3.5 | |
| 5/20 08:00 | 20.1 | ↓-3.2 | |
| 5/20 08:10 | 17.2 | ↓-2.9 | |
| 5/20 08:20 | 14.7 | ↓-2.5 | |
| 5/20 08:30 | 12.6 | ↓-2.1 | |
| 5/20 08:40 | 10.8 | ↓-1.8 | |
| 5/20 08:50 | 9.3 | ↓-1.5 | |
| 5/20 09:00 | 8.3 | ↓-1.0 | |
| 5/20 09:10 | 7.5 | ↓-0.8 | |
| 5/20 09:20 | 7.1 | ↓-0.4 | 干潮 |
| 5/20 09:30 | 7.1 | 0 | |
| 5/20 09:40 | 7.3 | ↑0.2 | |
| 5/20 09:50 | 7.8 | ↑0.5 | |
| 5/20 10:00 | 8.6 | ↑0.8 | |
| 5/20 10:10 | 9.7 | ↑1.1 | |
| 5/20 10:20 | 11.0 | ↑1.3 | |
| 5/20 10:30 | 12.7 | ↑1.7 | |
| 5/20 10:40 | 14.5 | ↑1.8 | |
| 5/20 10:50 | 16.7 | ↑2.2 | |
| 5/20 11:00 | 19.1 | ↑2.4 | |
| 5/20 11:10 | 21.7 | ↑2.6 | |
| 5/20 11:20 | 24.7 | ↑3.0 | |
| 5/20 11:30 | 27.9 | ↑3.2 | |
| 5/20 11:40 | 31.3 | ↑3.4 | |
| 5/20 11:50 | 35.0 | ↑3.7 | |
| 5/20 12:00 | 38.9 | ↑3.9 | |
| 5/20 12:10 | 43.0 | ↑4.1 | |
| 5/20 12:20 | 47.3 | ↑4.3 | |
| 5/20 12:30 | 51.8 | ↑4.5 | |
| 5/20 12:40 | 56.4 | ↑4.6 | |
| 5/20 12:50 | 61.1 | ↑4.7 | |
| 5/20 13:00 | 65.8 | ↑4.7 | |
| 5/20 13:10 | 70.5 | ↑4.7 | |
| 5/20 13:20 | 75.1 | ↑4.6 | |
| 5/20 13:30 | 79.7 | ↑4.6 | |
| 5/20 13:40 | 84.1 | ↑4.4 | |
| 5/20 13:50 | 88.3 | ↑4.2 | |
| 5/20 14:00 | 92.4 | ↑4.1 | |
| 5/20 14:10 | 96.2 | ↑3.8 | |
| 5/20 14:20 | 99.7 | ↑3.5 | |
| 5/20 14:30 | 103.0 | ↑3.3 | |
| 5/20 14:40 | 106.0 | ↑3.0 | |
| 5/20 14:50 | 108.8 | ↑2.8 | |
| 5/20 15:00 | 111.2 | ↑2.4 | |
| 5/20 15:10 | 113.4 | ↑2.2 | |
| 5/20 15:20 | 115.3 | ↑1.9 | |
| 5/20 15:30 | 117.0 | ↑1.7 | |
| 5/20 15:40 | 118.4 | ↑1.4 | |
| 5/20 15:50 | 119.7 | ↑1.3 | |
| 5/20 16:00 | 120.7 | ↑1.0 | |
| 5/20 16:10 | 121.5 | ↑0.8 | |
| 5/20 16:20 | 122.1 | ↑0.6 | |
| 5/20 16:30 | 122.5 | ↑0.4 | |
| 5/20 16:40 | 122.7 | ↑0.2 | 満潮 |
| 5/20 16:50 | 122.7 | 0 | |
| 5/20 17:00 | 122.6 | ↓-0.1 | |
| 5/20 17:10 | 122.2 | ↓-0.4 | |
| 5/20 17:20 | 121.7 | ↓-0.5 | |
| 5/20 17:30 | 120.9 | ↓-0.8 | |
| 5/20 17:40 | 120.0 | ↓-0.9 | |
| 5/20 17:50 | 118.8 | ↓-1.2 | |
| 5/20 18:00 | 117.5 | ↓-1.3 | |
| 5/20 18:10 | 115.9 | ↓-1.6 | |
| 5/20 18:20 | 114.2 | ↓-1.7 | |
| 5/20 18:30 | 112.3 | ↓-1.9 | |
| 5/20 18:40 | 110.3 | ↓-2.0 | |
| 5/20 18:50 | 108.2 | ↓-2.1 | |
| 5/20 19:00 | 106.0 | ↓-2.2 | |
| 5/20 19:10 | 103.8 | ↓-2.2 | |
| 5/20 19:20 | 101.6 | ↓-2.2 | |
| 5/20 19:30 | 99.4 | ↓-2.2 | |
| 5/20 19:40 | 97.4 | ↓-2.0 | |
| 5/20 19:50 | 95.4 | ↓-2.0 | |
| 5/20 20:00 | 93.7 | ↓-1.7 | |
| 5/20 20:10 | 92.1 | ↓-1.6 | |
| 5/20 20:20 | 90.7 | ↓-1.4 | |
| 5/20 20:30 | 89.5 | ↓-1.2 | |
| 5/20 20:40 | 88.6 | ↓-0.9 | |
| 5/20 20:50 | 87.9 | ↓-0.7 | |
| 5/20 21:00 | 87.5 | ↓-0.4 | |
| 5/20 21:10 | 87.3 | ↓-0.2 | 干潮 |
| 5/20 21:20 | 87.4 | ↑0.1 | |
| 5/20 21:30 | 87.6 | ↑0.2 | |
| 5/20 21:40 | 88.1 | ↑0.5 | |
| 5/20 21:50 | 88.8 | ↑0.7 | |
| 5/20 22:00 | 89.6 | ↑0.8 | |
| 5/20 22:10 | 90.6 | ↑1.0 | |
| 5/20 22:20 | 91.7 | ↑1.1 | |
| 5/20 22:30 | 92.9 | ↑1.2 | |
| 5/20 22:40 | 94.3 | ↑1.4 | |
| 5/20 22:50 | 95.8 | ↑1.5 | |
| 5/20 23:00 | 97.4 | ↑1.6 | |
| 5/20 23:10 | 99.1 | ↑1.7 | |
| 5/20 23:20 | 101.0 | ↑1.9 | |
| 5/20 23:30 | 102.9 | ↑1.9 | |
| 5/20 23:40 | 105.0 | ↑2.1 | |
| 5/20 23:50 | 107.2 | ↑2.2 |