| 満潮 | 干潮 | 満潮 | 干潮 |
|
20
(日) |
01:50 | 09:14 | 16:39 | 20:56 |
| 144cm | -2cm | 126cm | 91cm | |
|
||||
苫小牧（北海道）2046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 | 126.0 | ↑2.7 | |
| 5/20 00:10 | 128.7 | ↑2.7 | |
| 5/20 00:20 | 131.2 | ↑2.5 | |
| 5/20 00:30 | 133.6 | ↑2.4 | |
| 5/20 00:40 | 135.8 | ↑2.2 | |
| 5/20 00:50 | 137.9 | ↑2.1 | |
| 5/20 01:00 | 139.6 | ↑1.7 | |
| 5/20 01:10 | 141.1 | ↑1.5 | |
| 5/20 01:20 | 142.3 | ↑1.2 | |
| 5/20 01:30 | 143.1 | ↑0.8 | |
| 5/20 01:40 | 143.6 | ↑0.5 | 満潮 |
| 5/20 01:50 | 143.8 | ↑0.2 | 満潮 |
| 5/20 02:00 | 143.5 | ↓-0.3 | |
| 5/20 02:10 | 142.9 | ↓-0.6 | |
| 5/20 02:20 | 142.0 | ↓-0.9 | |
| 5/20 02:30 | 140.7 | ↓-1.3 | |
| 5/20 02:40 | 139.1 | ↓-1.6 | |
| 5/20 02:50 | 137.1 | ↓-2.0 | |
| 5/20 03:00 | 134.9 | ↓-2.2 | |
| 5/20 03:10 | 132.4 | ↓-2.5 | |
| 5/20 03:20 | 129.6 | ↓-2.8 | |
| 5/20 03:30 | 126.6 | ↓-3.0 | |
| 5/20 03:40 | 123.4 | ↓-3.2 | |
| 5/20 03:50 | 120.0 | ↓-3.4 | |
| 5/20 04:00 | 116.3 | ↓-3.7 | |
| 5/20 04:10 | 112.5 | ↓-3.8 | |
| 5/20 04:20 | 108.5 | ↓-4.0 | |
| 5/20 04:30 | 104.3 | ↓-4.2 | |
| 5/20 04:40 | 100.0 | ↓-4.3 | |
| 5/20 04:50 | 95.5 | ↓-4.5 | |
| 5/20 05:00 | 90.8 | ↓-4.7 | |
| 5/20 05:10 | 86.0 | ↓-4.8 | |
| 5/20 05:20 | 81.0 | ↓-5.0 | |
| 5/20 05:30 | 75.9 | ↓-5.1 | |
| 5/20 05:40 | 70.7 | ↓-5.2 | |
| 5/20 05:50 | 65.5 | ↓-5.2 | |
| 5/20 06:00 | 60.2 | ↓-5.3 | 最大潮位差 |
| 5/20 06:10 | 54.9 | ↓-5.3 | 最大潮位差 |
| 5/20 06:20 | 49.6 | ↓-5.3 | 最大潮位差 |
| 5/20 06:30 | 44.4 | ↓-5.2 | |
| 5/20 06:40 | 39.2 | ↓-5.2 | |
| 5/20 06:50 | 34.3 | ↓-4.9 | |
| 5/20 07:00 | 29.5 | ↓-4.8 | |
| 5/20 07:10 | 25.0 | ↓-4.5 | |
| 5/20 07:20 | 20.7 | ↓-4.3 | |
| 5/20 07:30 | 16.7 | ↓-4.0 | |
| 5/20 07:40 | 13.1 | ↓-3.6 | |
| 5/20 07:50 | 9.8 | ↓-3.3 | |
| 5/20 08:00 | 6.9 | ↓-2.9 | |
| 5/20 08:10 | 4.4 | ↓-2.5 | |
| 5/20 08:20 | 2.2 | ↓-2.2 | |
| 5/20 08:30 | 0.5 | ↓-1.7 | |
| 5/20 08:40 | -0.9 | ↓-1.4 | |
| 5/20 08:50 | -1.9 | ↓-1.0 | |
| 5/20 09:00 | -2.5 | ↓-0.6 | |
| 5/20 09:10 | -2.8 | ↓-0.3 | 干潮 |
| 5/20 09:20 | -2.7 | ↑0.1 | |
| 5/20 09:30 | -2.3 | ↑0.4 | |
| 5/20 09:40 | -1.6 | ↑0.7 | |
| 5/20 09:50 | -0.6 | ↑1.0 | |
| 5/20 10:00 | 0.8 | ↑1.4 | |
| 5/20 10:10 | 2.4 | ↑1.6 | |
| 5/20 10:20 | 4.3 | ↑1.9 | |
| 5/20 10:30 | 6.5 | ↑2.2 | |
| 5/20 10:40 | 9.0 | ↑2.5 | |
| 5/20 10:50 | 11.8 | ↑2.8 | |
| 5/20 11:00 | 14.9 | ↑3.1 | |
| 5/20 11:10 | 18.3 | ↑3.4 | |
| 5/20 11:20 | 21.9 | ↑3.6 | |
| 5/20 11:30 | 25.8 | ↑3.9 | |
| 5/20 11:40 | 30.0 | ↑4.2 | |
| 5/20 11:50 | 34.4 | ↑4.4 | |
| 5/20 12:00 | 39.0 | ↑4.6 | |
| 5/20 12:10 | 43.8 | ↑4.8 | |
| 5/20 12:20 | 48.7 | ↑4.9 | |
| 5/20 12:30 | 53.7 | ↑5.0 | |
| 5/20 12:40 | 58.8 | ↑5.1 | |
| 5/20 12:50 | 63.9 | ↑5.1 | |
| 5/20 13:00 | 69.0 | ↑5.1 | |
| 5/20 13:10 | 74.0 | ↑5.0 | |
| 5/20 13:20 | 78.8 | ↑4.8 | |
| 5/20 13:30 | 83.6 | ↑4.8 | |
| 5/20 13:40 | 88.1 | ↑4.5 | |
| 5/20 13:50 | 92.4 | ↑4.3 | |
| 5/20 14:00 | 96.5 | ↑4.1 | |
| 5/20 14:10 | 100.3 | ↑3.8 | |
| 5/20 14:20 | 103.8 | ↑3.5 | |
| 5/20 14:30 | 107.0 | ↑3.2 | |
| 5/20 14:40 | 109.9 | ↑2.9 | |
| 5/20 14:50 | 112.6 | ↑2.7 | |
| 5/20 15:00 | 114.9 | ↑2.3 | |
| 5/20 15:10 | 117.0 | ↑2.1 | |
| 5/20 15:20 | 118.9 | ↑1.9 | |
| 5/20 15:30 | 120.5 | ↑1.6 | |
| 5/20 15:40 | 121.8 | ↑1.3 | |
| 5/20 15:50 | 122.9 | ↑1.1 | |
| 5/20 16:00 | 123.8 | ↑0.9 | |
| 5/20 16:10 | 124.5 | ↑0.7 | |
| 5/20 16:20 | 125.0 | ↑0.5 | |
| 5/20 16:30 | 125.3 | ↑0.3 | 満潮 |
| 5/20 16:40 | 125.4 | ↑0.1 | |
| 5/20 16:50 | 125.2 | ↓-0.2 | |
| 5/20 17:00 | 124.8 | ↓-0.4 | |
| 5/20 17:10 | 124.2 | ↓-0.6 | |
| 5/20 17:20 | 123.4 | ↓-0.8 | |
| 5/20 17:30 | 122.4 | ↓-1.0 | |
| 5/20 17:40 | 121.1 | ↓-1.3 | |
| 5/20 17:50 | 119.7 | ↓-1.4 | |
| 5/20 18:00 | 118.0 | ↓-1.7 | |
| 5/20 18:10 | 116.2 | ↓-1.8 | |
| 5/20 18:20 | 114.2 | ↓-2.0 | |
| 5/20 18:30 | 112.1 | ↓-2.1 | |
| 5/20 18:40 | 110.0 | ↓-2.1 | |
| 5/20 18:50 | 107.7 | ↓-2.3 | |
| 5/20 19:00 | 105.5 | ↓-2.2 | |
| 5/20 19:10 | 103.3 | ↓-2.2 | |
| 5/20 19:20 | 101.2 | ↓-2.1 | |
| 5/20 19:30 | 99.2 | ↓-2.0 | |
| 5/20 19:40 | 97.3 | ↓-1.9 | |
| 5/20 19:50 | 95.6 | ↓-1.7 | |
| 5/20 20:00 | 94.2 | ↓-1.4 | |
| 5/20 20:10 | 92.9 | ↓-1.3 | |
| 5/20 20:20 | 91.9 | ↓-1.0 | |
| 5/20 20:30 | 91.1 | ↓-0.8 | |
| 5/20 20:40 | 90.6 | ↓-0.5 | |
| 5/20 20:50 | 90.4 | ↓-0.2 | 干潮 |
| 5/20 21:00 | 90.4 | 0 | |
| 5/20 21:10 | 90.6 | ↑0.2 | |
| 5/20 21:20 | 91.1 | ↑0.5 | |
| 5/20 21:30 | 91.7 | ↑0.6 | |
| 5/20 21:40 | 92.6 | ↑0.9 | |
| 5/20 21:50 | 93.6 | ↑1.0 | |
| 5/20 22:00 | 94.8 | ↑1.2 | |
| 5/20 22:10 | 96.1 | ↑1.3 | |
| 5/20 22:20 | 97.6 | ↑1.5 | |
| 5/20 22:30 | 99.2 | ↑1.6 | |
| 5/20 22:40 | 100.9 | ↑1.7 | |
| 5/20 22:50 | 102.8 | ↑1.9 | |
| 5/20 23:00 | 104.8 | ↑2.0 | |
| 5/20 23:10 | 106.9 | ↑2.1 | |
| 5/20 23:20 | 109.1 | ↑2.2 | |
| 5/20 23:30 | 111.5 | ↑2.4 | |
| 5/20 23:40 | 113.9 | ↑2.4 | |
| 5/20 23:50 | 116.5 | ↑2.6 |