| 満潮 | 干潮 | 満潮 | 干潮 |
|
21
(木) |
01:52 | 08:46 | 15:20 | 20:30 |
| 130cm | 24cm | 121cm | 72cm | |
|
||||
苫小牧（北海道）2020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 | 112.9 | ↑2.7 | |
| 5/21 00:10 | 115.5 | ↑2.6 | |
| 5/21 00:20 | 117.9 | ↑2.4 | |
| 5/21 00:30 | 120.2 | ↑2.3 | |
| 5/21 00:40 | 122.2 | ↑2.0 | |
| 5/21 00:50 | 124.0 | ↑1.8 | |
| 5/21 01:00 | 125.6 | ↑1.6 | |
| 5/21 01:10 | 126.9 | ↑1.3 | |
| 5/21 01:20 | 127.9 | ↑1.0 | |
| 5/21 01:30 | 128.7 | ↑0.8 | |
| 5/21 01:40 | 129.1 | ↑0.4 | |
| 5/21 01:50 | 129.3 | ↑0.2 | 満潮 |
| 5/21 02:00 | 129.2 | ↓-0.1 | |
| 5/21 02:10 | 128.8 | ↓-0.4 | |
| 5/21 02:20 | 128.1 | ↓-0.7 | |
| 5/21 02:30 | 127.3 | ↓-0.8 | |
| 5/21 02:40 | 126.1 | ↓-1.2 | |
| 5/21 02:50 | 124.8 | ↓-1.3 | |
| 5/21 03:00 | 123.2 | ↓-1.6 | |
| 5/21 03:10 | 121.4 | ↓-1.8 | |
| 5/21 03:20 | 119.5 | ↓-1.9 | |
| 5/21 03:30 | 117.3 | ↓-2.2 | |
| 5/21 03:40 | 115.0 | ↓-2.3 | |
| 5/21 03:50 | 112.4 | ↓-2.6 | |
| 5/21 04:00 | 109.7 | ↓-2.7 | |
| 5/21 04:10 | 106.7 | ↓-3.0 | |
| 5/21 04:20 | 103.6 | ↓-3.1 | |
| 5/21 04:30 | 100.3 | ↓-3.3 | |
| 5/21 04:40 | 96.8 | ↓-3.5 | |
| 5/21 04:50 | 93.1 | ↓-3.7 | |
| 5/21 05:00 | 89.3 | ↓-3.8 | |
| 5/21 05:10 | 85.3 | ↓-4.0 | |
| 5/21 05:20 | 81.2 | ↓-4.1 | |
| 5/21 05:30 | 77.0 | ↓-4.2 | |
| 5/21 05:40 | 72.7 | ↓-4.3 | 最大潮位差 |
| 5/21 05:50 | 68.4 | ↓-4.3 | 最大潮位差 |
| 5/21 06:00 | 64.1 | ↓-4.3 | 最大潮位差 |
| 5/21 06:10 | 59.9 | ↓-4.2 | |
| 5/21 06:20 | 55.8 | ↓-4.1 | |
| 5/21 06:30 | 51.8 | ↓-4.0 | |
| 5/21 06:40 | 47.9 | ↓-3.9 | |
| 5/21 06:50 | 44.3 | ↓-3.6 | |
| 5/21 07:00 | 40.9 | ↓-3.4 | |
| 5/21 07:10 | 37.8 | ↓-3.1 | |
| 5/21 07:20 | 35.0 | ↓-2.8 | |
| 5/21 07:30 | 32.4 | ↓-2.6 | |
| 5/21 07:40 | 30.2 | ↓-2.2 | |
| 5/21 07:50 | 28.3 | ↓-1.9 | |
| 5/21 08:00 | 26.8 | ↓-1.5 | |
| 5/21 08:10 | 25.5 | ↓-1.3 | |
| 5/21 08:20 | 24.6 | ↓-0.9 | |
| 5/21 08:30 | 24.0 | ↓-0.6 | |
| 5/21 08:40 | 23.7 | ↓-0.3 | 干潮 |
| 5/21 08:50 | 23.7 | 0 | |
| 5/21 09:00 | 24.0 | ↑0.3 | |
| 5/21 09:10 | 24.6 | ↑0.6 | |
| 5/21 09:20 | 25.4 | ↑0.8 | |
| 5/21 09:30 | 26.5 | ↑1.1 | |
| 5/21 09:40 | 27.9 | ↑1.4 | |
| 5/21 09:50 | 29.5 | ↑1.6 | |
| 5/21 10:00 | 31.4 | ↑1.9 | |
| 5/21 10:10 | 33.5 | ↑2.1 | |
| 5/21 10:20 | 35.9 | ↑2.4 | |
| 5/21 10:30 | 38.5 | ↑2.6 | |
| 5/21 10:40 | 41.4 | ↑2.9 | |
| 5/21 10:50 | 44.5 | ↑3.1 | |
| 5/21 11:00 | 47.9 | ↑3.4 | |
| 5/21 11:10 | 51.5 | ↑3.6 | |
| 5/21 11:20 | 55.2 | ↑3.7 | |
| 5/21 11:30 | 59.1 | ↑3.9 | |
| 5/21 11:40 | 63.2 | ↑4.1 | |
| 5/21 11:50 | 67.3 | ↑4.1 | |
| 5/21 12:00 | 71.5 | ↑4.2 | |
| 5/21 12:10 | 75.8 | ↑4.3 | 最大潮位差 |
| 5/21 12:20 | 80.0 | ↑4.2 | |
| 5/21 12:30 | 84.1 | ↑4.1 | |
| 5/21 12:40 | 88.2 | ↑4.1 | |
| 5/21 12:50 | 92.1 | ↑3.9 | |
| 5/21 13:00 | 95.8 | ↑3.7 | |
| 5/21 13:10 | 99.3 | ↑3.5 | |
| 5/21 13:20 | 102.5 | ↑3.2 | |
| 5/21 13:30 | 105.5 | ↑3.0 | |
| 5/21 13:40 | 108.2 | ↑2.7 | |
| 5/21 13:50 | 110.6 | ↑2.4 | |
| 5/21 14:00 | 112.7 | ↑2.1 | |
| 5/21 14:10 | 114.6 | ↑1.9 | |
| 5/21 14:20 | 116.1 | ↑1.5 | |
| 5/21 14:30 | 117.4 | ↑1.3 | |
| 5/21 14:40 | 118.4 | ↑1.0 | |
| 5/21 14:50 | 119.2 | ↑0.8 | |
| 5/21 15:00 | 119.7 | ↑0.5 | |
| 5/21 15:10 | 120.0 | ↑0.3 | 満潮 |
| 5/21 15:20 | 120.1 | ↑0.1 | 満潮 |
| 5/21 15:30 | 120.0 | ↓-0.1 | |
| 5/21 15:40 | 119.7 | ↓-0.3 | |
| 5/21 15:50 | 119.2 | ↓-0.5 | |
| 5/21 16:00 | 118.5 | ↓-0.7 | |
| 5/21 16:10 | 117.6 | ↓-0.9 | |
| 5/21 16:20 | 116.6 | ↓-1.0 | |
| 5/21 16:30 | 115.3 | ↓-1.3 | |
| 5/21 16:40 | 113.9 | ↓-1.4 | |
| 5/21 16:50 | 112.3 | ↓-1.6 | |
| 5/21 17:00 | 110.5 | ↓-1.8 | |
| 5/21 17:10 | 108.5 | ↓-2.0 | |
| 5/21 17:20 | 106.4 | ↓-2.1 | |
| 5/21 17:30 | 104.1 | ↓-2.3 | |
| 5/21 17:40 | 101.8 | ↓-2.3 | |
| 5/21 17:50 | 99.3 | ↓-2.5 | |
| 5/21 18:00 | 96.7 | ↓-2.6 | |
| 5/21 18:10 | 94.1 | ↓-2.6 | |
| 5/21 18:20 | 91.5 | ↓-2.6 | |
| 5/21 18:30 | 89.0 | ↓-2.5 | |
| 5/21 18:40 | 86.5 | ↓-2.5 | |
| 5/21 18:50 | 84.1 | ↓-2.4 | |
| 5/21 19:00 | 81.9 | ↓-2.2 | |
| 5/21 19:10 | 79.8 | ↓-2.1 | |
| 5/21 19:20 | 78.0 | ↓-1.8 | |
| 5/21 19:30 | 76.3 | ↓-1.7 | |
| 5/21 19:40 | 75.0 | ↓-1.3 | |
| 5/21 19:50 | 73.8 | ↓-1.2 | |
| 5/21 20:00 | 73.0 | ↓-0.8 | |
| 5/21 20:10 | 72.4 | ↓-0.6 | |
| 5/21 20:20 | 72.0 | ↓-0.4 | 干潮 |
| 5/21 20:30 | 72.0 | 0 | 干潮 |
| 5/21 20:40 | 72.1 | ↑0.1 | |
| 5/21 20:50 | 72.5 | ↑0.4 | |
| 5/21 21:00 | 73.0 | ↑0.5 | |
| 5/21 21:10 | 73.8 | ↑0.8 | |
| 5/21 21:20 | 74.7 | ↑0.9 | |
| 5/21 21:30 | 75.8 | ↑1.1 | |
| 5/21 21:40 | 77.0 | ↑1.2 | |
| 5/21 21:50 | 78.4 | ↑1.4 | |
| 5/21 22:00 | 79.9 | ↑1.5 | |
| 5/21 22:10 | 81.6 | ↑1.7 | |
| 5/21 22:20 | 83.4 | ↑1.8 | |
| 5/21 22:30 | 85.3 | ↑1.9 | |
| 5/21 22:40 | 87.3 | ↑2.0 | |
| 5/21 22:50 | 89.5 | ↑2.2 | |
| 5/21 23:00 | 91.8 | ↑2.3 | |
| 5/21 23:10 | 94.2 | ↑2.4 | |
| 5/21 23:20 | 96.8 | ↑2.6 | |
| 5/21 23:30 | 99.4 | ↑2.6 | |
| 5/21 23:40 | 102.2 | ↑2.8 | |
| 5/21 23:50 | 105.0 | ↑2.8 |