| 満潮 | 干潮 | 満潮 | 干潮 |
|
21
(月) |
06:03 | 00:28 | 21:23 | 13:38 |
| 129cm | 91cm | 111cm | 21cm | |
|
||||
苫小牧（北海道）2018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 | 91.2 | ↓-0.6 | |
| 5/21 00:10 | 90.8 | ↓-0.4 | |
| 5/21 00:20 | 90.6 | ↓-0.2 | 干潮 |
| 5/21 00:30 | 90.5 | ↓-0.1 | |
| 5/21 00:40 | 90.7 | ↑0.2 | |
| 5/21 00:50 | 91.0 | ↑0.3 | |
| 5/21 01:00 | 91.5 | ↑0.5 | |
| 5/21 01:10 | 92.1 | ↑0.6 | |
| 5/21 01:20 | 92.8 | ↑0.7 | |
| 5/21 01:30 | 93.6 | ↑0.8 | |
| 5/21 01:40 | 94.6 | ↑1.0 | |
| 5/21 01:50 | 95.5 | ↑0.9 | |
| 5/21 02:00 | 96.6 | ↑1.1 | |
| 5/21 02:10 | 97.7 | ↑1.1 | |
| 5/21 02:20 | 98.9 | ↑1.2 | |
| 5/21 02:30 | 100.1 | ↑1.2 | |
| 5/21 02:40 | 101.4 | ↑1.3 | |
| 5/21 02:50 | 102.7 | ↑1.3 | |
| 5/21 03:00 | 104.1 | ↑1.4 | |
| 5/21 03:10 | 105.6 | ↑1.5 | |
| 5/21 03:20 | 107.1 | ↑1.5 | |
| 5/21 03:30 | 108.7 | ↑1.6 | |
| 5/21 03:40 | 110.3 | ↑1.6 | |
| 5/21 03:50 | 112.0 | ↑1.7 | |
| 5/21 04:00 | 113.7 | ↑1.7 | |
| 5/21 04:10 | 115.5 | ↑1.8 | |
| 5/21 04:20 | 117.3 | ↑1.8 | |
| 5/21 04:30 | 119.0 | ↑1.7 | |
| 5/21 04:40 | 120.7 | ↑1.7 | |
| 5/21 04:50 | 122.4 | ↑1.7 | |
| 5/21 05:00 | 123.9 | ↑1.5 | |
| 5/21 05:10 | 125.2 | ↑1.3 | |
| 5/21 05:20 | 126.4 | ↑1.2 | |
| 5/21 05:30 | 127.4 | ↑1.0 | |
| 5/21 05:40 | 128.1 | ↑0.7 | |
| 5/21 05:50 | 128.6 | ↑0.5 | |
| 5/21 06:00 | 128.8 | ↑0.2 | 満潮 |
| 5/21 06:10 | 128.7 | ↓-0.1 | |
| 5/21 06:20 | 128.3 | ↓-0.4 | |
| 5/21 06:30 | 127.7 | ↓-0.6 | |
| 5/21 06:40 | 126.7 | ↓-1.0 | |
| 5/21 06:50 | 125.5 | ↓-1.2 | |
| 5/21 07:00 | 124.0 | ↓-1.5 | |
| 5/21 07:10 | 122.3 | ↓-1.7 | |
| 5/21 07:20 | 120.3 | ↓-2.0 | |
| 5/21 07:30 | 118.2 | ↓-2.1 | |
| 5/21 07:40 | 115.9 | ↓-2.3 | |
| 5/21 07:50 | 113.4 | ↓-2.5 | |
| 5/21 08:00 | 110.9 | ↓-2.5 | |
| 5/21 08:10 | 108.2 | ↓-2.7 | |
| 5/21 08:20 | 105.4 | ↓-2.8 | |
| 5/21 08:30 | 102.6 | ↓-2.8 | |
| 5/21 08:40 | 99.7 | ↓-2.9 | |
| 5/21 08:50 | 96.7 | ↓-3.0 | |
| 5/21 09:00 | 93.6 | ↓-3.1 | |
| 5/21 09:10 | 90.4 | ↓-3.2 | |
| 5/21 09:20 | 87.2 | ↓-3.2 | |
| 5/21 09:30 | 83.9 | ↓-3.3 | |
| 5/21 09:40 | 80.5 | ↓-3.4 | |
| 5/21 09:50 | 77.1 | ↓-3.4 | |
| 5/21 10:00 | 73.6 | ↓-3.5 | |
| 5/21 10:10 | 70.0 | ↓-3.6 | |
| 5/21 10:20 | 66.3 | ↓-3.7 | 最大潮位差 |
| 5/21 10:30 | 62.7 | ↓-3.6 | |
| 5/21 10:40 | 59.0 | ↓-3.7 | 最大潮位差 |
| 5/21 10:50 | 55.4 | ↓-3.6 | |
| 5/21 11:00 | 51.8 | ↓-3.6 | |
| 5/21 11:10 | 48.3 | ↓-3.5 | |
| 5/21 11:20 | 44.9 | ↓-3.4 | |
| 5/21 11:30 | 41.6 | ↓-3.3 | |
| 5/21 11:40 | 38.5 | ↓-3.1 | |
| 5/21 11:50 | 35.6 | ↓-2.9 | |
| 5/21 12:00 | 33.0 | ↓-2.6 | |
| 5/21 12:10 | 30.5 | ↓-2.5 | |
| 5/21 12:20 | 28.4 | ↓-2.1 | |
| 5/21 12:30 | 26.5 | ↓-1.9 | |
| 5/21 12:40 | 24.9 | ↓-1.6 | |
| 5/21 12:50 | 23.5 | ↓-1.4 | |
| 5/21 13:00 | 22.5 | ↓-1.0 | |
| 5/21 13:10 | 21.7 | ↓-0.8 | |
| 5/21 13:20 | 21.2 | ↓-0.5 | |
| 5/21 13:30 | 20.9 | ↓-0.3 | 干潮 |
| 5/21 13:40 | 20.9 | 0 | |
| 5/21 13:50 | 21.0 | ↑0.1 | |
| 5/21 14:00 | 21.4 | ↑0.4 | |
| 5/21 14:10 | 22.0 | ↑0.6 | |
| 5/21 14:20 | 22.8 | ↑0.8 | |
| 5/21 14:30 | 23.8 | ↑1.0 | |
| 5/21 14:40 | 25.0 | ↑1.2 | |
| 5/21 14:50 | 26.3 | ↑1.3 | |
| 5/21 15:00 | 27.9 | ↑1.6 | |
| 5/21 15:10 | 29.6 | ↑1.7 | |
| 5/21 15:20 | 31.6 | ↑2.0 | |
| 5/21 15:30 | 33.7 | ↑2.1 | |
| 5/21 15:40 | 36.1 | ↑2.4 | |
| 5/21 15:50 | 38.6 | ↑2.5 | |
| 5/21 16:00 | 41.3 | ↑2.7 | |
| 5/21 16:10 | 44.2 | ↑2.9 | |
| 5/21 16:20 | 47.3 | ↑3.1 | |
| 5/21 16:30 | 50.6 | ↑3.3 | |
| 5/21 16:40 | 54.0 | ↑3.4 | |
| 5/21 16:50 | 57.5 | ↑3.5 | |
| 5/21 17:00 | 61.0 | ↑3.5 | |
| 5/21 17:10 | 64.6 | ↑3.6 | |
| 5/21 17:20 | 68.3 | ↑3.7 | 最大潮位差 |
| 5/21 17:30 | 71.9 | ↑3.6 | |
| 5/21 17:40 | 75.4 | ↑3.5 | |
| 5/21 17:50 | 78.8 | ↑3.4 | |
| 5/21 18:00 | 82.1 | ↑3.3 | |
| 5/21 18:10 | 85.3 | ↑3.2 | |
| 5/21 18:20 | 88.2 | ↑2.9 | |
| 5/21 18:30 | 91.0 | ↑2.8 | |
| 5/21 18:40 | 93.5 | ↑2.5 | |
| 5/21 18:50 | 95.9 | ↑2.4 | |
| 5/21 19:00 | 98.0 | ↑2.1 | |
| 5/21 19:10 | 99.9 | ↑1.9 | |
| 5/21 19:20 | 101.6 | ↑1.7 | |
| 5/21 19:30 | 103.1 | ↑1.5 | |
| 5/21 19:40 | 104.4 | ↑1.3 | |
| 5/21 19:50 | 105.6 | ↑1.2 | |
| 5/21 20:00 | 106.6 | ↑1.0 | |
| 5/21 20:10 | 107.5 | ↑0.9 | |
| 5/21 20:20 | 108.2 | ↑0.7 | |
| 5/21 20:30 | 108.8 | ↑0.6 | |
| 5/21 20:40 | 109.3 | ↑0.5 | |
| 5/21 20:50 | 109.7 | ↑0.4 | |
| 5/21 21:00 | 110.0 | ↑0.3 | |
| 5/21 21:10 | 110.2 | ↑0.2 | |
| 5/21 21:20 | 110.3 | ↑0.1 | 満潮 |
| 5/21 21:30 | 110.3 | 0 | |
| 5/21 21:40 | 110.1 | ↓-0.2 | |
| 5/21 21:50 | 109.8 | ↓-0.3 | |
| 5/21 22:00 | 109.4 | ↓-0.4 | |
| 5/21 22:10 | 108.9 | ↓-0.5 | |
| 5/21 22:20 | 108.2 | ↓-0.7 | |
| 5/21 22:30 | 107.4 | ↓-0.8 | |
| 5/21 22:40 | 106.5 | ↓-0.9 | |
| 5/21 22:50 | 105.5 | ↓-1.0 | |
| 5/21 23:00 | 104.3 | ↓-1.2 | |
| 5/21 23:10 | 103.2 | ↓-1.1 | |
| 5/21 23:20 | 101.9 | ↓-1.3 | |
| 5/21 23:30 | 100.7 | ↓-1.2 | |
| 5/21 23:40 | 99.4 | ↓-1.3 | |
| 5/21 23:50 | 98.2 | ↓-1.2 |