| 満潮 | 干潮 | 満潮 | 干潮 |
|
20
(日) |
08:02 | 04:09 | 23:43 | 16:13 |
| 102cm | 95cm | 110cm | 45cm | |
|
||||
苫小牧（北海道）2040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 | 105.4 | ↓-0.5 | |
| 5/20 00:10 | 104.9 | ↓-0.5 | |
| 5/20 00:20 | 104.3 | ↓-0.6 | |
| 5/20 00:30 | 103.7 | ↓-0.6 | |
| 5/20 00:40 | 103.0 | ↓-0.7 | |
| 5/20 00:50 | 102.3 | ↓-0.7 | |
| 5/20 01:00 | 101.5 | ↓-0.8 | |
| 5/20 01:10 | 100.8 | ↓-0.7 | |
| 5/20 01:20 | 100.1 | ↓-0.7 | |
| 5/20 01:30 | 99.4 | ↓-0.7 | |
| 5/20 01:40 | 98.7 | ↓-0.7 | |
| 5/20 01:50 | 98.1 | ↓-0.6 | |
| 5/20 02:00 | 97.5 | ↓-0.6 | |
| 5/20 02:10 | 97.0 | ↓-0.5 | |
| 5/20 02:20 | 96.5 | ↓-0.5 | |
| 5/20 02:30 | 96.0 | ↓-0.5 | |
| 5/20 02:40 | 95.6 | ↓-0.4 | |
| 5/20 02:50 | 95.3 | ↓-0.3 | |
| 5/20 03:00 | 95.0 | ↓-0.3 | |
| 5/20 03:10 | 94.7 | ↓-0.3 | |
| 5/20 03:20 | 94.5 | ↓-0.2 | |
| 5/20 03:30 | 94.4 | ↓-0.1 | |
| 5/20 03:40 | 94.2 | ↓-0.2 | |
| 5/20 03:50 | 94.1 | ↓-0.1 | |
| 5/20 04:00 | 94.1 | 0 | 干潮 |
| 5/20 04:10 | 94.1 | 0 | |
| 5/20 04:20 | 94.1 | 0 | |
| 5/20 04:30 | 94.2 | ↑0.1 | |
| 5/20 04:40 | 94.3 | ↑0.1 | |
| 5/20 04:50 | 94.5 | ↑0.2 | |
| 5/20 05:00 | 94.7 | ↑0.2 | |
| 5/20 05:10 | 95.0 | ↑0.3 | |
| 5/20 05:20 | 95.3 | ↑0.3 | |
| 5/20 05:30 | 95.6 | ↑0.3 | |
| 5/20 05:40 | 96.1 | ↑0.5 | |
| 5/20 05:50 | 96.5 | ↑0.4 | |
| 5/20 06:00 | 97.0 | ↑0.5 | |
| 5/20 06:10 | 97.5 | ↑0.5 | |
| 5/20 06:20 | 98.1 | ↑0.6 | |
| 5/20 06:30 | 98.6 | ↑0.5 | |
| 5/20 06:40 | 99.2 | ↑0.6 | |
| 5/20 06:50 | 99.7 | ↑0.5 | |
| 5/20 07:00 | 100.2 | ↑0.5 | |
| 5/20 07:10 | 100.6 | ↑0.4 | |
| 5/20 07:20 | 101.0 | ↑0.4 | |
| 5/20 07:30 | 101.3 | ↑0.3 | |
| 5/20 07:40 | 101.6 | ↑0.3 | |
| 5/20 07:50 | 101.7 | ↑0.1 | |
| 5/20 08:00 | 101.8 | ↑0.1 | 満潮 |
| 5/20 08:10 | 101.8 | 0 | |
| 5/20 08:20 | 101.6 | ↓-0.2 | |
| 5/20 08:30 | 101.4 | ↓-0.2 | |
| 5/20 08:40 | 101.0 | ↓-0.4 | |
| 5/20 08:50 | 100.6 | ↓-0.4 | |
| 5/20 09:00 | 100.1 | ↓-0.5 | |
| 5/20 09:10 | 99.4 | ↓-0.7 | |
| 5/20 09:20 | 98.7 | ↓-0.7 | |
| 5/20 09:30 | 97.9 | ↓-0.8 | |
| 5/20 09:40 | 97.1 | ↓-0.8 | |
| 5/20 09:50 | 96.1 | ↓-1.0 | |
| 5/20 10:00 | 95.2 | ↓-0.9 | |
| 5/20 10:10 | 94.1 | ↓-1.1 | |
| 5/20 10:20 | 93.0 | ↓-1.1 | |
| 5/20 10:30 | 91.8 | ↓-1.2 | |
| 5/20 10:40 | 90.6 | ↓-1.2 | |
| 5/20 10:50 | 89.3 | ↓-1.3 | |
| 5/20 11:00 | 87.9 | ↓-1.4 | |
| 5/20 11:10 | 86.5 | ↓-1.4 | |
| 5/20 11:20 | 85.0 | ↓-1.5 | |
| 5/20 11:30 | 83.5 | ↓-1.5 | |
| 5/20 11:40 | 81.9 | ↓-1.6 | |
| 5/20 11:50 | 80.3 | ↓-1.6 | |
| 5/20 12:00 | 78.6 | ↓-1.7 | |
| 5/20 12:10 | 76.8 | ↓-1.8 | |
| 5/20 12:20 | 75.0 | ↓-1.8 | |
| 5/20 12:30 | 73.1 | ↓-1.9 | |
| 5/20 12:40 | 71.3 | ↓-1.8 | |
| 5/20 12:50 | 69.4 | ↓-1.9 | |
| 5/20 13:00 | 67.5 | ↓-1.9 | |
| 5/20 13:10 | 65.6 | ↓-1.9 | |
| 5/20 13:20 | 63.7 | ↓-1.9 | |
| 5/20 13:30 | 61.9 | ↓-1.8 | |
| 5/20 13:40 | 60.1 | ↓-1.8 | |
| 5/20 13:50 | 58.3 | ↓-1.8 | |
| 5/20 14:00 | 56.7 | ↓-1.6 | |
| 5/20 14:10 | 55.1 | ↓-1.6 | |
| 5/20 14:20 | 53.6 | ↓-1.5 | |
| 5/20 14:30 | 52.1 | ↓-1.5 | |
| 5/20 14:40 | 50.8 | ↓-1.3 | |
| 5/20 14:50 | 49.7 | ↓-1.1 | |
| 5/20 15:00 | 48.6 | ↓-1.1 | |
| 5/20 15:10 | 47.6 | ↓-1.0 | |
| 5/20 15:20 | 46.8 | ↓-0.8 | |
| 5/20 15:30 | 46.1 | ↓-0.7 | |
| 5/20 15:40 | 45.6 | ↓-0.5 | |
| 5/20 15:50 | 45.2 | ↓-0.4 | |
| 5/20 16:00 | 44.9 | ↓-0.3 | |
| 5/20 16:10 | 44.8 | ↓-0.1 | 干潮 |
| 5/20 16:20 | 44.9 | ↑0.1 | |
| 5/20 16:30 | 45.1 | ↑0.2 | |
| 5/20 16:40 | 45.4 | ↑0.3 | |
| 5/20 16:50 | 46.0 | ↑0.6 | |
| 5/20 17:00 | 46.6 | ↑0.6 | |
| 5/20 17:10 | 47.5 | ↑0.9 | |
| 5/20 17:20 | 48.5 | ↑1.0 | |
| 5/20 17:30 | 49.7 | ↑1.2 | |
| 5/20 17:40 | 51.0 | ↑1.3 | |
| 5/20 17:50 | 52.5 | ↑1.5 | |
| 5/20 18:00 | 54.1 | ↑1.6 | |
| 5/20 18:10 | 55.9 | ↑1.8 | |
| 5/20 18:20 | 57.8 | ↑1.9 | |
| 5/20 18:30 | 59.8 | ↑2.0 | |
| 5/20 18:40 | 61.9 | ↑2.1 | |
| 5/20 18:50 | 64.1 | ↑2.2 | |
| 5/20 19:00 | 66.4 | ↑2.3 | |
| 5/20 19:10 | 68.7 | ↑2.3 | |
| 5/20 19:20 | 71.1 | ↑2.4 | 最大潮位差 |
| 5/20 19:30 | 73.5 | ↑2.4 | 最大潮位差 |
| 5/20 19:40 | 75.9 | ↑2.4 | 最大潮位差 |
| 5/20 19:50 | 78.3 | ↑2.4 | 最大潮位差 |
| 5/20 20:00 | 80.7 | ↑2.4 | 最大潮位差 |
| 5/20 20:10 | 83.0 | ↑2.3 | |
| 5/20 20:20 | 85.2 | ↑2.2 | |
| 5/20 20:30 | 87.4 | ↑2.2 | |
| 5/20 20:40 | 89.5 | ↑2.1 | |
| 5/20 20:50 | 91.6 | ↑2.1 | |
| 5/20 21:00 | 93.5 | ↑1.9 | |
| 5/20 21:10 | 95.3 | ↑1.8 | |
| 5/20 21:20 | 97.1 | ↑1.8 | |
| 5/20 21:30 | 98.7 | ↑1.6 | |
| 5/20 21:40 | 100.2 | ↑1.5 | |
| 5/20 21:50 | 101.6 | ↑1.4 | |
| 5/20 22:00 | 102.9 | ↑1.3 | |
| 5/20 22:10 | 104.0 | ↑1.1 | |
| 5/20 22:20 | 105.1 | ↑1.1 | |
| 5/20 22:30 | 106.0 | ↑0.9 | |
| 5/20 22:40 | 106.8 | ↑0.8 | |
| 5/20 22:50 | 107.5 | ↑0.7 | |
| 5/20 23:00 | 108.1 | ↑0.6 | |
| 5/20 23:10 | 108.6 | ↑0.5 | |
| 5/20 23:20 | 108.9 | ↑0.3 | |
| 5/20 23:30 | 109.1 | ↑0.2 | |
| 5/20 23:40 | 109.2 | ↑0.1 | 満潮 |
| 5/20 23:50 | 109.2 | 0 |