| 満潮 | 干潮 | 満潮 | 干潮 |
|
18
(月) |
08:27 | 04:03 | 23:04 | 15:41 |
| 101cm | 84cm | 109cm | 51cm | |
|
||||
苫小牧（北海道）2009年05月18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 |
|---|---|---|---|
| 5/18 00:00 | 102.1 | ↓-0.9 | |
| 5/18 00:10 | 101.2 | ↓-0.9 | |
| 5/18 00:20 | 100.2 | ↓-1.0 | |
| 5/18 00:30 | 99.1 | ↓-1.1 | |
| 5/18 00:40 | 98.0 | ↓-1.1 | |
| 5/18 00:50 | 96.9 | ↓-1.1 | |
| 5/18 01:00 | 95.7 | ↓-1.2 | |
| 5/18 01:10 | 94.6 | ↓-1.1 | |
| 5/18 01:20 | 93.5 | ↓-1.1 | |
| 5/18 01:30 | 92.4 | ↓-1.1 | |
| 5/18 01:40 | 91.4 | ↓-1.0 | |
| 5/18 01:50 | 90.4 | ↓-1.0 | |
| 5/18 02:00 | 89.5 | ↓-0.9 | |
| 5/18 02:10 | 88.6 | ↓-0.9 | |
| 5/18 02:20 | 87.8 | ↓-0.8 | |
| 5/18 02:30 | 87.1 | ↓-0.7 | |
| 5/18 02:40 | 86.5 | ↓-0.6 | |
| 5/18 02:50 | 85.9 | ↓-0.6 | |
| 5/18 03:00 | 85.4 | ↓-0.5 | |
| 5/18 03:10 | 85.0 | ↓-0.4 | |
| 5/18 03:20 | 84.7 | ↓-0.3 | |
| 5/18 03:30 | 84.4 | ↓-0.3 | |
| 5/18 03:40 | 84.2 | ↓-0.2 | |
| 5/18 03:50 | 84.0 | ↓-0.2 | |
| 5/18 04:00 | 84.0 | 0 | 干潮 |
| 5/18 04:10 | 84.0 | 0 | |
| 5/18 04:20 | 84.1 | ↑0.1 | |
| 5/18 04:30 | 84.3 | ↑0.2 | |
| 5/18 04:40 | 84.6 | ↑0.3 | |
| 5/18 04:50 | 85.0 | ↑0.4 | |
| 5/18 05:00 | 85.4 | ↑0.4 | |
| 5/18 05:10 | 86.0 | ↑0.6 | |
| 5/18 05:20 | 86.6 | ↑0.6 | |
| 5/18 05:30 | 87.3 | ↑0.7 | |
| 5/18 05:40 | 88.1 | ↑0.8 | |
| 5/18 05:50 | 89.0 | ↑0.9 | |
| 5/18 06:00 | 89.9 | ↑0.9 | |
| 5/18 06:10 | 90.9 | ↑1.0 | |
| 5/18 06:20 | 91.9 | ↑1.0 | |
| 5/18 06:30 | 92.9 | ↑1.0 | |
| 5/18 06:40 | 93.9 | ↑1.0 | |
| 5/18 06:50 | 94.9 | ↑1.0 | |
| 5/18 07:00 | 95.8 | ↑0.9 | |
| 5/18 07:10 | 96.7 | ↑0.9 | |
| 5/18 07:20 | 97.6 | ↑0.9 | |
| 5/18 07:30 | 98.3 | ↑0.7 | |
| 5/18 07:40 | 98.9 | ↑0.6 | |
| 5/18 07:50 | 99.4 | ↑0.5 | |
| 5/18 08:00 | 99.8 | ↑0.4 | |
| 5/18 08:10 | 100.1 | ↑0.3 | |
| 5/18 08:20 | 100.2 | ↑0.1 | 満潮 |
| 5/18 08:30 | 100.2 | 0 | |
| 5/18 08:40 | 100.1 | ↓-0.1 | |
| 5/18 08:50 | 99.9 | ↓-0.2 | |
| 5/18 09:00 | 99.5 | ↓-0.4 | |
| 5/18 09:10 | 99.1 | ↓-0.4 | |
| 5/18 09:20 | 98.5 | ↓-0.6 | |
| 5/18 09:30 | 97.8 | ↓-0.7 | |
| 5/18 09:40 | 97.0 | ↓-0.8 | |
| 5/18 09:50 | 96.1 | ↓-0.9 | |
| 5/18 10:00 | 95.2 | ↓-0.9 | |
| 5/18 10:10 | 94.1 | ↓-1.1 | |
| 5/18 10:20 | 93.0 | ↓-1.1 | |
| 5/18 10:30 | 91.8 | ↓-1.2 | |
| 5/18 10:40 | 90.6 | ↓-1.2 | |
| 5/18 10:50 | 89.2 | ↓-1.4 | |
| 5/18 11:00 | 87.8 | ↓-1.4 | |
| 5/18 11:10 | 86.3 | ↓-1.5 | |
| 5/18 11:20 | 84.8 | ↓-1.5 | |
| 5/18 11:30 | 83.2 | ↓-1.6 | |
| 5/18 11:40 | 81.5 | ↓-1.7 | |
| 5/18 11:50 | 79.8 | ↓-1.7 | |
| 5/18 12:00 | 78.1 | ↓-1.7 | |
| 5/18 12:10 | 76.3 | ↓-1.8 | |
| 5/18 12:20 | 74.4 | ↓-1.9 | |
| 5/18 12:30 | 72.6 | ↓-1.8 | |
| 5/18 12:40 | 70.8 | ↓-1.8 | |
| 5/18 12:50 | 68.9 | ↓-1.9 | |
| 5/18 13:00 | 67.1 | ↓-1.8 | |
| 5/18 13:10 | 65.4 | ↓-1.7 | |
| 5/18 13:20 | 63.6 | ↓-1.8 | |
| 5/18 13:30 | 62.0 | ↓-1.6 | |
| 5/18 13:40 | 60.4 | ↓-1.6 | |
| 5/18 13:50 | 59.0 | ↓-1.4 | |
| 5/18 14:00 | 57.6 | ↓-1.4 | |
| 5/18 14:10 | 56.3 | ↓-1.3 | |
| 5/18 14:20 | 55.2 | ↓-1.1 | |
| 5/18 14:30 | 54.2 | ↓-1.0 | |
| 5/18 14:40 | 53.3 | ↓-0.9 | |
| 5/18 14:50 | 52.5 | ↓-0.8 | |
| 5/18 15:00 | 51.9 | ↓-0.6 | |
| 5/18 15:10 | 51.4 | ↓-0.5 | |
| 5/18 15:20 | 51.1 | ↓-0.3 | |
| 5/18 15:30 | 50.9 | ↓-0.2 | |
| 5/18 15:40 | 50.8 | ↓-0.1 | 干潮 |
| 5/18 15:50 | 50.9 | ↑0.1 | |
| 5/18 16:00 | 51.1 | ↑0.2 | |
| 5/18 16:10 | 51.4 | ↑0.3 | |
| 5/18 16:20 | 51.9 | ↑0.5 | |
| 5/18 16:30 | 52.5 | ↑0.6 | |
| 5/18 16:40 | 53.2 | ↑0.7 | |
| 5/18 16:50 | 54.1 | ↑0.9 | |
| 5/18 17:00 | 55.2 | ↑1.1 | |
| 5/18 17:10 | 56.3 | ↑1.1 | |
| 5/18 17:20 | 57.6 | ↑1.3 | |
| 5/18 17:30 | 59.0 | ↑1.4 | |
| 5/18 17:40 | 60.6 | ↑1.6 | |
| 5/18 17:50 | 62.2 | ↑1.6 | |
| 5/18 18:00 | 64.0 | ↑1.8 | |
| 5/18 18:10 | 65.9 | ↑1.9 | |
| 5/18 18:20 | 67.9 | ↑2.0 | |
| 5/18 18:30 | 69.9 | ↑2.0 | |
| 5/18 18:40 | 72.0 | ↑2.1 | |
| 5/18 18:50 | 74.2 | ↑2.2 | 最大潮位差 |
| 5/18 19:00 | 76.4 | ↑2.2 | 最大潮位差 |
| 5/18 19:10 | 78.6 | ↑2.2 | 最大潮位差 |
| 5/18 19:20 | 80.7 | ↑2.1 | |
| 5/18 19:30 | 82.9 | ↑2.2 | 最大潮位差 |
| 5/18 19:40 | 85.1 | ↑2.2 | 最大潮位差 |
| 5/18 19:50 | 87.2 | ↑2.1 | |
| 5/18 20:00 | 89.2 | ↑2.0 | |
| 5/18 20:10 | 91.2 | ↑2.0 | |
| 5/18 20:20 | 93.0 | ↑1.8 | |
| 5/18 20:30 | 94.8 | ↑1.8 | |
| 5/18 20:40 | 96.5 | ↑1.7 | |
| 5/18 20:50 | 98.1 | ↑1.6 | |
| 5/18 21:00 | 99.6 | ↑1.5 | |
| 5/18 21:10 | 100.9 | ↑1.3 | |
| 5/18 21:20 | 102.2 | ↑1.3 | |
| 5/18 21:30 | 103.3 | ↑1.1 | |
| 5/18 21:40 | 104.3 | ↑1.0 | |
| 5/18 21:50 | 105.2 | ↑0.9 | |
| 5/18 22:00 | 106.0 | ↑0.8 | |
| 5/18 22:10 | 106.7 | ↑0.7 | |
| 5/18 22:20 | 107.3 | ↑0.6 | |
| 5/18 22:30 | 107.7 | ↑0.4 | |
| 5/18 22:40 | 108.1 | ↑0.4 | |
| 5/18 22:50 | 108.3 | ↑0.2 | |
| 5/18 23:00 | 108.4 | ↑0.1 | 満潮 |
| 5/18 23:10 | 108.3 | ↓-0.1 | |
| 5/18 23:20 | 108.2 | ↓-0.1 | |
| 5/18 23:30 | 107.9 | ↓-0.3 | |
| 5/18 23:40 | 107.6 | ↓-0.3 | |
| 5/18 23:50 | 107.0 | ↓-0.6 |