| 満潮 | 干潮 | 満潮 | 干潮 |
|
12
(火) |
03:47 | 11:00 | 18:31 | 22:49 |
| 142cm | 6cm | 117cm | 88cm | |
|
||||
苫小牧（北海道）2009年05月12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 |
|---|---|---|---|
| 5/12 00:00 | 96.7 | ↑1.7 | |
| 5/12 00:10 | 98.4 | ↑1.7 | |
| 5/12 00:20 | 100.3 | ↑1.9 | |
| 5/12 00:30 | 102.2 | ↑1.9 | |
| 5/12 00:40 | 104.3 | ↑2.1 | |
| 5/12 00:50 | 106.5 | ↑2.2 | |
| 5/12 01:00 | 108.8 | ↑2.3 | |
| 5/12 01:10 | 111.2 | ↑2.4 | |
| 5/12 01:20 | 113.7 | ↑2.5 | |
| 5/12 01:30 | 116.3 | ↑2.6 | |
| 5/12 01:40 | 118.9 | ↑2.6 | |
| 5/12 01:50 | 121.5 | ↑2.6 | |
| 5/12 02:00 | 124.2 | ↑2.7 | |
| 5/12 02:10 | 126.8 | ↑2.6 | |
| 5/12 02:20 | 129.3 | ↑2.5 | |
| 5/12 02:30 | 131.8 | ↑2.5 | |
| 5/12 02:40 | 134.0 | ↑2.2 | |
| 5/12 02:50 | 136.0 | ↑2.0 | |
| 5/12 03:00 | 137.8 | ↑1.8 | |
| 5/12 03:10 | 139.3 | ↑1.5 | |
| 5/12 03:20 | 140.5 | ↑1.2 | |
| 5/12 03:30 | 141.3 | ↑0.8 | |
| 5/12 03:40 | 141.7 | ↑0.4 | 満潮 |
| 5/12 03:50 | 141.7 | 0 | |
| 5/12 04:00 | 141.4 | ↓-0.3 | |
| 5/12 04:10 | 140.6 | ↓-0.8 | |
| 5/12 04:20 | 139.5 | ↓-1.1 | |
| 5/12 04:30 | 138.0 | ↓-1.5 | |
| 5/12 04:40 | 136.2 | ↓-1.8 | |
| 5/12 04:50 | 134.0 | ↓-2.2 | |
| 5/12 05:00 | 131.6 | ↓-2.4 | |
| 5/12 05:10 | 128.9 | ↓-2.7 | |
| 5/12 05:20 | 126.0 | ↓-2.9 | |
| 5/12 05:30 | 122.8 | ↓-3.2 | |
| 5/12 05:40 | 119.5 | ↓-3.3 | |
| 5/12 05:50 | 116.0 | ↓-3.5 | |
| 5/12 06:00 | 112.3 | ↓-3.7 | |
| 5/12 06:10 | 108.5 | ↓-3.8 | |
| 5/12 06:20 | 104.6 | ↓-3.9 | |
| 5/12 06:30 | 100.5 | ↓-4.1 | |
| 5/12 06:40 | 96.3 | ↓-4.2 | |
| 5/12 06:50 | 92.0 | ↓-4.3 | |
| 5/12 07:00 | 87.6 | ↓-4.4 | |
| 5/12 07:10 | 83.1 | ↓-4.5 | |
| 5/12 07:20 | 78.5 | ↓-4.6 | |
| 5/12 07:30 | 73.8 | ↓-4.7 | |
| 5/12 07:40 | 69.0 | ↓-4.8 | |
| 5/12 07:50 | 64.2 | ↓-4.8 | |
| 5/12 08:00 | 59.3 | ↓-4.9 | 最大潮位差 |
| 5/12 08:10 | 54.4 | ↓-4.9 | 最大潮位差 |
| 5/12 08:20 | 49.6 | ↓-4.8 | |
| 5/12 08:30 | 44.9 | ↓-4.7 | |
| 5/12 08:40 | 40.2 | ↓-4.7 | |
| 5/12 08:50 | 35.7 | ↓-4.5 | |
| 5/12 09:00 | 31.5 | ↓-4.2 | |
| 5/12 09:10 | 27.4 | ↓-4.1 | |
| 5/12 09:20 | 23.6 | ↓-3.8 | |
| 5/12 09:30 | 20.2 | ↓-3.4 | |
| 5/12 09:40 | 17.1 | ↓-3.1 | |
| 5/12 09:50 | 14.3 | ↓-2.8 | |
| 5/12 10:00 | 12.0 | ↓-2.3 | |
| 5/12 10:10 | 10.0 | ↓-2.0 | |
| 5/12 10:20 | 8.4 | ↓-1.6 | |
| 5/12 10:30 | 7.2 | ↓-1.2 | |
| 5/12 10:40 | 6.4 | ↓-0.8 | |
| 5/12 10:50 | 5.9 | ↓-0.5 | 干潮 |
| 5/12 11:00 | 5.7 | ↓-0.2 | 干潮 |
| 5/12 11:10 | 5.9 | ↑0.2 | |
| 5/12 11:20 | 6.4 | ↑0.5 | |
| 5/12 11:30 | 7.2 | ↑0.8 | |
| 5/12 11:40 | 8.2 | ↑1.0 | |
| 5/12 11:50 | 9.5 | ↑1.3 | |
| 5/12 12:00 | 11.0 | ↑1.5 | |
| 5/12 12:10 | 12.7 | ↑1.7 | |
| 5/12 12:20 | 14.6 | ↑1.9 | |
| 5/12 12:30 | 16.8 | ↑2.2 | |
| 5/12 12:40 | 19.2 | ↑2.4 | |
| 5/12 12:50 | 21.8 | ↑2.6 | |
| 5/12 13:00 | 24.7 | ↑2.9 | |
| 5/12 13:10 | 27.7 | ↑3.0 | |
| 5/12 13:20 | 31.0 | ↑3.3 | |
| 5/12 13:30 | 34.5 | ↑3.5 | |
| 5/12 13:40 | 38.3 | ↑3.8 | |
| 5/12 13:50 | 42.2 | ↑3.9 | |
| 5/12 14:00 | 46.3 | ↑4.1 | |
| 5/12 14:10 | 50.5 | ↑4.2 | |
| 5/12 14:20 | 54.9 | ↑4.4 | |
| 5/12 14:30 | 59.3 | ↑4.4 | |
| 5/12 14:40 | 63.8 | ↑4.5 | |
| 5/12 14:50 | 68.3 | ↑4.5 | |
| 5/12 15:00 | 72.8 | ↑4.5 | |
| 5/12 15:10 | 77.2 | ↑4.4 | |
| 5/12 15:20 | 81.4 | ↑4.2 | |
| 5/12 15:30 | 85.5 | ↑4.1 | |
| 5/12 15:40 | 89.4 | ↑3.9 | |
| 5/12 15:50 | 93.0 | ↑3.6 | |
| 5/12 16:00 | 96.4 | ↑3.4 | |
| 5/12 16:10 | 99.5 | ↑3.1 | |
| 5/12 16:20 | 102.3 | ↑2.8 | |
| 5/12 16:30 | 104.8 | ↑2.5 | |
| 5/12 16:40 | 107.0 | ↑2.2 | |
| 5/12 16:50 | 109.0 | ↑2.0 | |
| 5/12 17:00 | 110.6 | ↑1.6 | |
| 5/12 17:10 | 112.1 | ↑1.5 | |
| 5/12 17:20 | 113.3 | ↑1.2 | |
| 5/12 17:30 | 114.3 | ↑1.0 | |
| 5/12 17:40 | 115.1 | ↑0.8 | |
| 5/12 17:50 | 115.8 | ↑0.7 | |
| 5/12 18:00 | 116.3 | ↑0.5 | |
| 5/12 18:10 | 116.6 | ↑0.3 | |
| 5/12 18:20 | 116.8 | ↑0.2 | |
| 5/12 18:30 | 116.9 | ↑0.1 | 満潮 |
| 5/12 18:40 | 116.8 | ↓-0.1 | |
| 5/12 18:50 | 116.6 | ↓-0.2 | |
| 5/12 19:00 | 116.2 | ↓-0.4 | |
| 5/12 19:10 | 115.7 | ↓-0.5 | |
| 5/12 19:20 | 115.0 | ↓-0.7 | |
| 5/12 19:30 | 114.2 | ↓-0.8 | |
| 5/12 19:40 | 113.2 | ↓-1.0 | |
| 5/12 19:50 | 112.0 | ↓-1.2 | |
| 5/12 20:00 | 110.6 | ↓-1.4 | |
| 5/12 20:10 | 109.2 | ↓-1.4 | |
| 5/12 20:20 | 107.5 | ↓-1.7 | |
| 5/12 20:30 | 105.8 | ↓-1.7 | |
| 5/12 20:40 | 104.0 | ↓-1.8 | |
| 5/12 20:50 | 102.1 | ↓-1.9 | |
| 5/12 21:00 | 100.2 | ↓-1.9 | |
| 5/12 21:10 | 98.3 | ↓-1.9 | |
| 5/12 21:20 | 96.5 | ↓-1.8 | |
| 5/12 21:30 | 94.8 | ↓-1.7 | |
| 5/12 21:40 | 93.3 | ↓-1.5 | |
| 5/12 21:50 | 91.8 | ↓-1.5 | |
| 5/12 22:00 | 90.6 | ↓-1.2 | |
| 5/12 22:10 | 89.6 | ↓-1.0 | |
| 5/12 22:20 | 88.9 | ↓-0.7 | |
| 5/12 22:30 | 88.3 | ↓-0.6 | |
| 5/12 22:40 | 88.0 | ↓-0.3 | 干潮 |
| 5/12 22:50 | 87.9 | ↓-0.1 | |
| 5/12 23:00 | 88.1 | ↑0.2 | |
| 5/12 23:10 | 88.5 | ↑0.4 | |
| 5/12 23:20 | 89.0 | ↑0.5 | |
| 5/12 23:30 | 89.8 | ↑0.8 | |
| 5/12 23:40 | 90.7 | ↑0.9 | |
| 5/12 23:50 | 91.7 | ↑1.0 |