| 満潮 | 干潮 | 満潮 | 干潮 |
|
21
(土) |
01:39 | 08:34 | 15:09 | 20:14 |
| 131cm | 25cm | 119cm | 73cm | |
|
||||
苫小牧（北海道）2039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 | 117.8 | ↑2.5 | |
| 5/21 00:10 | 120.1 | ↑2.3 | |
| 5/21 00:20 | 122.1 | ↑2.0 | |
| 5/21 00:30 | 124.0 | ↑1.9 | |
| 5/21 00:40 | 125.6 | ↑1.6 | |
| 5/21 00:50 | 127.0 | ↑1.4 | |
| 5/21 01:00 | 128.2 | ↑1.2 | |
| 5/21 01:10 | 129.0 | ↑0.8 | |
| 5/21 01:20 | 129.6 | ↑0.6 | |
| 5/21 01:30 | 130.0 | ↑0.4 | 満潮 |
| 5/21 01:40 | 130.1 | ↑0.1 | |
| 5/21 01:50 | 129.9 | ↓-0.2 | |
| 5/21 02:00 | 129.5 | ↓-0.4 | |
| 5/21 02:10 | 128.8 | ↓-0.7 | |
| 5/21 02:20 | 127.9 | ↓-0.9 | |
| 5/21 02:30 | 126.8 | ↓-1.1 | |
| 5/21 02:40 | 125.4 | ↓-1.4 | |
| 5/21 02:50 | 123.8 | ↓-1.6 | |
| 5/21 03:00 | 122.0 | ↓-1.8 | |
| 5/21 03:10 | 120.0 | ↓-2.0 | |
| 5/21 03:20 | 117.8 | ↓-2.2 | |
| 5/21 03:30 | 115.3 | ↓-2.5 | |
| 5/21 03:40 | 112.7 | ↓-2.6 | |
| 5/21 03:50 | 109.8 | ↓-2.9 | |
| 5/21 04:00 | 106.7 | ↓-3.1 | |
| 5/21 04:10 | 103.4 | ↓-3.3 | |
| 5/21 04:20 | 99.8 | ↓-3.6 | |
| 5/21 04:30 | 96.2 | ↓-3.6 | |
| 5/21 04:40 | 92.3 | ↓-3.9 | |
| 5/21 04:50 | 88.3 | ↓-4.0 | |
| 5/21 05:00 | 84.1 | ↓-4.2 | |
| 5/21 05:10 | 79.9 | ↓-4.2 | |
| 5/21 05:20 | 75.6 | ↓-4.3 | 最大潮位差 |
| 5/21 05:30 | 71.3 | ↓-4.3 | 最大潮位差 |
| 5/21 05:40 | 67.0 | ↓-4.3 | 最大潮位差 |
| 5/21 05:50 | 62.8 | ↓-4.2 | |
| 5/21 06:00 | 58.6 | ↓-4.2 | |
| 5/21 06:10 | 54.6 | ↓-4.0 | |
| 5/21 06:20 | 50.7 | ↓-3.9 | |
| 5/21 06:30 | 47.1 | ↓-3.6 | |
| 5/21 06:40 | 43.6 | ↓-3.5 | |
| 5/21 06:50 | 40.4 | ↓-3.2 | |
| 5/21 07:00 | 37.5 | ↓-2.9 | |
| 5/21 07:10 | 34.9 | ↓-2.6 | |
| 5/21 07:20 | 32.5 | ↓-2.4 | |
| 5/21 07:30 | 30.5 | ↓-2.0 | |
| 5/21 07:40 | 28.7 | ↓-1.8 | |
| 5/21 07:50 | 27.3 | ↓-1.4 | |
| 5/21 08:00 | 26.2 | ↓-1.1 | |
| 5/21 08:10 | 25.4 | ↓-0.8 | |
| 5/21 08:20 | 24.9 | ↓-0.5 | |
| 5/21 08:30 | 24.6 | ↓-0.3 | 干潮 |
| 5/21 08:40 | 24.7 | ↑0.1 | |
| 5/21 08:50 | 25.0 | ↑0.3 | |
| 5/21 09:00 | 25.6 | ↑0.6 | |
| 5/21 09:10 | 26.5 | ↑0.9 | |
| 5/21 09:20 | 27.7 | ↑1.2 | |
| 5/21 09:30 | 29.2 | ↑1.5 | |
| 5/21 09:40 | 30.9 | ↑1.7 | |
| 5/21 09:50 | 32.9 | ↑2.0 | |
| 5/21 10:00 | 35.2 | ↑2.3 | |
| 5/21 10:10 | 37.7 | ↑2.5 | |
| 5/21 10:20 | 40.5 | ↑2.8 | |
| 5/21 10:30 | 43.6 | ↑3.1 | |
| 5/21 10:40 | 46.8 | ↑3.2 | |
| 5/21 10:50 | 50.3 | ↑3.5 | |
| 5/21 11:00 | 54.0 | ↑3.7 | |
| 5/21 11:10 | 57.8 | ↑3.8 | |
| 5/21 11:20 | 61.7 | ↑3.9 | |
| 5/21 11:30 | 65.8 | ↑4.1 | |
| 5/21 11:40 | 69.9 | ↑4.1 | |
| 5/21 11:50 | 74.0 | ↑4.1 | |
| 5/21 12:00 | 78.1 | ↑4.1 | |
| 5/21 12:10 | 82.1 | ↑4.0 | |
| 5/21 12:20 | 86.0 | ↑3.9 | |
| 5/21 12:30 | 89.8 | ↑3.8 | |
| 5/21 12:40 | 93.4 | ↑3.6 | |
| 5/21 12:50 | 96.8 | ↑3.4 | |
| 5/21 13:00 | 100.0 | ↑3.2 | |
| 5/21 13:10 | 103.0 | ↑3.0 | |
| 5/21 13:20 | 105.7 | ↑2.7 | |
| 5/21 13:30 | 108.1 | ↑2.4 | |
| 5/21 13:40 | 110.3 | ↑2.2 | |
| 5/21 13:50 | 112.2 | ↑1.9 | |
| 5/21 14:00 | 113.9 | ↑1.7 | |
| 5/21 14:10 | 115.3 | ↑1.4 | |
| 5/21 14:20 | 116.5 | ↑1.2 | |
| 5/21 14:30 | 117.4 | ↑0.9 | |
| 5/21 14:40 | 118.1 | ↑0.7 | |
| 5/21 14:50 | 118.6 | ↑0.5 | |
| 5/21 15:00 | 118.9 | ↑0.3 | 満潮 |
| 5/21 15:10 | 118.9 | 0 | |
| 5/21 15:20 | 118.8 | ↓-0.1 | |
| 5/21 15:30 | 118.4 | ↓-0.4 | |
| 5/21 15:40 | 117.9 | ↓-0.5 | |
| 5/21 15:50 | 117.1 | ↓-0.8 | |
| 5/21 16:00 | 116.2 | ↓-0.9 | |
| 5/21 16:10 | 115.0 | ↓-1.2 | |
| 5/21 16:20 | 113.6 | ↓-1.4 | |
| 5/21 16:30 | 112.0 | ↓-1.6 | |
| 5/21 16:40 | 110.3 | ↓-1.7 | |
| 5/21 16:50 | 108.3 | ↓-2.0 | |
| 5/21 17:00 | 106.2 | ↓-2.1 | |
| 5/21 17:10 | 104.0 | ↓-2.2 | |
| 5/21 17:20 | 101.6 | ↓-2.4 | |
| 5/21 17:30 | 99.1 | ↓-2.5 | |
| 5/21 17:40 | 96.6 | ↓-2.5 | |
| 5/21 17:50 | 94.1 | ↓-2.5 | |
| 5/21 18:00 | 91.5 | ↓-2.6 | |
| 5/21 18:10 | 89.0 | ↓-2.5 | |
| 5/21 18:20 | 86.6 | ↓-2.4 | |
| 5/21 18:30 | 84.3 | ↓-2.3 | |
| 5/21 18:40 | 82.1 | ↓-2.2 | |
| 5/21 18:50 | 80.1 | ↓-2.0 | |
| 5/21 19:00 | 78.3 | ↓-1.8 | |
| 5/21 19:10 | 76.7 | ↓-1.6 | |
| 5/21 19:20 | 75.3 | ↓-1.4 | |
| 5/21 19:30 | 74.2 | ↓-1.1 | |
| 5/21 19:40 | 73.3 | ↓-0.9 | |
| 5/21 19:50 | 72.7 | ↓-0.6 | |
| 5/21 20:00 | 72.3 | ↓-0.4 | |
| 5/21 20:10 | 72.1 | ↓-0.2 | 干潮 |
| 5/21 20:20 | 72.2 | ↑0.1 | |
| 5/21 20:30 | 72.4 | ↑0.2 | |
| 5/21 20:40 | 72.9 | ↑0.5 | |
| 5/21 20:50 | 73.5 | ↑0.6 | |
| 5/21 21:00 | 74.3 | ↑0.8 | |
| 5/21 21:10 | 75.3 | ↑1.0 | |
| 5/21 21:20 | 76.5 | ↑1.2 | |
| 5/21 21:30 | 77.8 | ↑1.3 | |
| 5/21 21:40 | 79.3 | ↑1.5 | |
| 5/21 21:50 | 80.9 | ↑1.6 | |
| 5/21 22:00 | 82.7 | ↑1.8 | |
| 5/21 22:10 | 84.6 | ↑1.9 | |
| 5/21 22:20 | 86.7 | ↑2.1 | |
| 5/21 22:30 | 88.9 | ↑2.2 | |
| 5/21 22:40 | 91.3 | ↑2.4 | |
| 5/21 22:50 | 93.8 | ↑2.5 | |
| 5/21 23:00 | 96.4 | ↑2.6 | |
| 5/21 23:10 | 99.2 | ↑2.8 | |
| 5/21 23:20 | 102.0 | ↑2.8 | |
| 5/21 23:30 | 104.9 | ↑2.9 | |
| 5/21 23:40 | 107.9 | ↑3.0 | |
| 5/21 23:50 | 110.8 | ↑2.9 |