| 満潮 | 干潮 | 満潮 | 干潮 |
|
21
(月) |
02:28 | 09:54 | 17:26 | 21:35 |
| 149cm | -5cm | 125cm | 93cm | |
|
||||
苫小牧（北海道）2046年05月21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 |
|---|---|---|---|
| 5/21 00:00 | 119.1 | ↑2.6 | |
| 5/21 00:10 | 121.9 | ↑2.8 | |
| 5/21 00:20 | 124.6 | ↑2.7 | |
| 5/21 00:30 | 127.4 | ↑2.8 | |
| 5/21 00:40 | 130.2 | ↑2.8 | |
| 5/21 00:50 | 132.9 | ↑2.7 | |
| 5/21 01:00 | 135.5 | ↑2.6 | |
| 5/21 01:10 | 138.0 | ↑2.5 | |
| 5/21 01:20 | 140.3 | ↑2.3 | |
| 5/21 01:30 | 142.4 | ↑2.1 | |
| 5/21 01:40 | 144.2 | ↑1.8 | |
| 5/21 01:50 | 145.7 | ↑1.5 | |
| 5/21 02:00 | 146.9 | ↑1.2 | |
| 5/21 02:10 | 147.7 | ↑0.8 | |
| 5/21 02:20 | 148.2 | ↑0.5 | 満潮 |
| 5/21 02:30 | 148.3 | ↑0.1 | |
| 5/21 02:40 | 148.0 | ↓-0.3 | |
| 5/21 02:50 | 147.3 | ↓-0.7 | |
| 5/21 03:00 | 146.2 | ↓-1.1 | |
| 5/21 03:10 | 144.7 | ↓-1.5 | |
| 5/21 03:20 | 142.9 | ↓-1.8 | |
| 5/21 03:30 | 140.8 | ↓-2.1 | |
| 5/21 03:40 | 138.3 | ↓-2.5 | |
| 5/21 03:50 | 135.6 | ↓-2.7 | |
| 5/21 04:00 | 132.6 | ↓-3.0 | |
| 5/21 04:10 | 129.4 | ↓-3.2 | |
| 5/21 04:20 | 125.9 | ↓-3.5 | |
| 5/21 04:30 | 122.3 | ↓-3.6 | |
| 5/21 04:40 | 118.4 | ↓-3.9 | |
| 5/21 04:50 | 114.4 | ↓-4.0 | |
| 5/21 05:00 | 110.1 | ↓-4.3 | |
| 5/21 05:10 | 105.7 | ↓-4.4 | |
| 5/21 05:20 | 101.2 | ↓-4.5 | |
| 5/21 05:30 | 96.4 | ↓-4.8 | |
| 5/21 05:40 | 91.5 | ↓-4.9 | |
| 5/21 05:50 | 86.5 | ↓-5.0 | |
| 5/21 06:00 | 81.3 | ↓-5.2 | |
| 5/21 06:10 | 76.0 | ↓-5.3 | |
| 5/21 06:20 | 70.6 | ↓-5.4 | |
| 5/21 06:30 | 65.1 | ↓-5.5 | |
| 5/21 06:40 | 59.6 | ↓-5.5 | |
| 5/21 06:50 | 54.1 | ↓-5.5 | |
| 5/21 07:00 | 48.5 | ↓-5.6 | 最大潮位差 |
| 5/21 07:10 | 43.1 | ↓-5.4 | |
| 5/21 07:20 | 37.7 | ↓-5.4 | |
| 5/21 07:30 | 32.6 | ↓-5.1 | |
| 5/21 07:40 | 27.6 | ↓-5.0 | |
| 5/21 07:50 | 22.8 | ↓-4.8 | |
| 5/21 08:00 | 18.4 | ↓-4.4 | |
| 5/21 08:10 | 14.3 | ↓-4.1 | |
| 5/21 08:20 | 10.5 | ↓-3.8 | |
| 5/21 08:30 | 7.1 | ↓-3.4 | |
| 5/21 08:40 | 4.0 | ↓-3.1 | |
| 5/21 08:50 | 1.4 | ↓-2.6 | |
| 5/21 09:00 | -0.8 | ↓-2.2 | |
| 5/21 09:10 | -2.6 | ↓-1.8 | |
| 5/21 09:20 | -4.0 | ↓-1.4 | |
| 5/21 09:30 | -5.0 | ↓-1.0 | |
| 5/21 09:40 | -5.6 | ↓-0.6 | |
| 5/21 09:50 | -5.9 | ↓-0.3 | 干潮 |
| 5/21 10:00 | -5.8 | ↑0.1 | |
| 5/21 10:10 | -5.4 | ↑0.4 | |
| 5/21 10:20 | -4.7 | ↑0.7 | |
| 5/21 10:30 | -3.7 | ↑1.0 | |
| 5/21 10:40 | -2.3 | ↑1.4 | |
| 5/21 10:50 | -0.7 | ↑1.6 | |
| 5/21 11:00 | 1.2 | ↑1.9 | |
| 5/21 11:10 | 3.4 | ↑2.2 | |
| 5/21 11:20 | 5.9 | ↑2.5 | |
| 5/21 11:30 | 8.7 | ↑2.8 | |
| 5/21 11:40 | 11.8 | ↑3.1 | |
| 5/21 11:50 | 15.1 | ↑3.3 | |
| 5/21 12:00 | 18.8 | ↑3.7 | |
| 5/21 12:10 | 22.7 | ↑3.9 | |
| 5/21 12:20 | 26.9 | ↑4.2 | |
| 5/21 12:30 | 31.3 | ↑4.4 | |
| 5/21 12:40 | 36.0 | ↑4.7 | |
| 5/21 12:50 | 40.8 | ↑4.8 | |
| 5/21 13:00 | 45.8 | ↑5.0 | |
| 5/21 13:10 | 50.9 | ↑5.1 | |
| 5/21 13:20 | 56.1 | ↑5.2 | |
| 5/21 13:30 | 61.3 | ↑5.2 | |
| 5/21 13:40 | 66.4 | ↑5.1 | |
| 5/21 13:50 | 71.5 | ↑5.1 | |
| 5/21 14:00 | 76.5 | ↑5.0 | |
| 5/21 14:10 | 81.3 | ↑4.8 | |
| 5/21 14:20 | 86.0 | ↑4.7 | |
| 5/21 14:30 | 90.3 | ↑4.3 | |
| 5/21 14:40 | 94.5 | ↑4.2 | |
| 5/21 14:50 | 98.3 | ↑3.8 | |
| 5/21 15:00 | 101.9 | ↑3.6 | |
| 5/21 15:10 | 105.2 | ↑3.3 | |
| 5/21 15:20 | 108.2 | ↑3.0 | |
| 5/21 15:30 | 110.9 | ↑2.7 | |
| 5/21 15:40 | 113.3 | ↑2.4 | |
| 5/21 15:50 | 115.4 | ↑2.1 | |
| 5/21 16:00 | 117.3 | ↑1.9 | |
| 5/21 16:10 | 119.0 | ↑1.7 | |
| 5/21 16:20 | 120.4 | ↑1.4 | |
| 5/21 16:30 | 121.6 | ↑1.2 | |
| 5/21 16:40 | 122.6 | ↑1.0 | |
| 5/21 16:50 | 123.4 | ↑0.8 | |
| 5/21 17:00 | 124.0 | ↑0.6 | |
| 5/21 17:10 | 124.4 | ↑0.4 | |
| 5/21 17:20 | 124.6 | ↑0.2 | 満潮 |
| 5/21 17:30 | 124.6 | 0 | |
| 5/21 17:40 | 124.4 | ↓-0.2 | |
| 5/21 17:50 | 124.0 | ↓-0.4 | |
| 5/21 18:00 | 123.3 | ↓-0.7 | |
| 5/21 18:10 | 122.5 | ↓-0.8 | |
| 5/21 18:20 | 121.4 | ↓-1.1 | |
| 5/21 18:30 | 120.1 | ↓-1.3 | |
| 5/21 18:40 | 118.6 | ↓-1.5 | |
| 5/21 18:50 | 117.0 | ↓-1.6 | |
| 5/21 19:00 | 115.2 | ↓-1.8 | |
| 5/21 19:10 | 113.2 | ↓-2.0 | |
| 5/21 19:20 | 111.2 | ↓-2.0 | |
| 5/21 19:30 | 109.0 | ↓-2.2 | |
| 5/21 19:40 | 106.9 | ↓-2.1 | |
| 5/21 19:50 | 104.8 | ↓-2.1 | |
| 5/21 20:00 | 102.8 | ↓-2.0 | |
| 5/21 20:10 | 100.8 | ↓-2.0 | |
| 5/21 20:20 | 99.0 | ↓-1.8 | |
| 5/21 20:30 | 97.4 | ↓-1.6 | |
| 5/21 20:40 | 96.0 | ↓-1.4 | |
| 5/21 20:50 | 94.8 | ↓-1.2 | |
| 5/21 21:00 | 93.8 | ↓-1.0 | |
| 5/21 21:10 | 93.1 | ↓-0.7 | |
| 5/21 21:20 | 92.6 | ↓-0.5 | |
| 5/21 21:30 | 92.4 | ↓-0.2 | 干潮 |
| 5/21 21:40 | 92.5 | ↑0.1 | |
| 5/21 21:50 | 92.7 | ↑0.2 | |
| 5/21 22:00 | 93.2 | ↑0.5 | |
| 5/21 22:10 | 93.9 | ↑0.7 | |
| 5/21 22:20 | 94.7 | ↑0.8 | |
| 5/21 22:30 | 95.8 | ↑1.1 | |
| 5/21 22:40 | 97.0 | ↑1.2 | |
| 5/21 22:50 | 98.3 | ↑1.3 | |
| 5/21 23:00 | 99.7 | ↑1.4 | |
| 5/21 23:10 | 101.3 | ↑1.6 | |
| 5/21 23:20 | 103.0 | ↑1.7 | |
| 5/21 23:30 | 104.8 | ↑1.8 | |
| 5/21 23:40 | 106.8 | ↑2.0 | |
| 5/21 23:50 | 108.8 | ↑2.0 |