| 満潮 | 干潮 | 満潮 | 干潮 |
|
21
(日) |
06:02 | 00:33 | 21:26 | 13:36 |
| 124cm | 94cm | 109cm | 24cm | |
|
||||
苫小牧（北海道）2056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 | 94.3 | ↓-0.6 | |
| 5/21 00:10 | 93.8 | ↓-0.5 | |
| 5/21 00:20 | 93.5 | ↓-0.3 | |
| 5/21 00:30 | 93.4 | ↓-0.1 | 干潮 |
| 5/21 00:40 | 93.4 | 0 | |
| 5/21 00:50 | 93.6 | ↑0.2 | |
| 5/21 01:00 | 94.0 | ↑0.4 | |
| 5/21 01:10 | 94.5 | ↑0.5 | |
| 5/21 01:20 | 95.2 | ↑0.7 | |
| 5/21 01:30 | 96.0 | ↑0.8 | |
| 5/21 01:40 | 96.9 | ↑0.9 | |
| 5/21 01:50 | 97.8 | ↑0.9 | |
| 5/21 02:00 | 98.9 | ↑1.1 | |
| 5/21 02:10 | 100.0 | ↑1.1 | |
| 5/21 02:20 | 101.1 | ↑1.1 | |
| 5/21 02:30 | 102.2 | ↑1.1 | |
| 5/21 02:40 | 103.4 | ↑1.2 | |
| 5/21 02:50 | 104.6 | ↑1.2 | |
| 5/21 03:00 | 105.7 | ↑1.1 | |
| 5/21 03:10 | 106.9 | ↑1.2 | |
| 5/21 03:20 | 108.1 | ↑1.2 | |
| 5/21 03:30 | 109.3 | ↑1.2 | |
| 5/21 03:40 | 110.6 | ↑1.3 | |
| 5/21 03:50 | 111.8 | ↑1.2 | |
| 5/21 04:00 | 113.0 | ↑1.2 | |
| 5/21 04:10 | 114.3 | ↑1.3 | |
| 5/21 04:20 | 115.5 | ↑1.2 | |
| 5/21 04:30 | 116.8 | ↑1.3 | |
| 5/21 04:40 | 118.0 | ↑1.2 | |
| 5/21 04:50 | 119.1 | ↑1.1 | |
| 5/21 05:00 | 120.2 | ↑1.1 | |
| 5/21 05:10 | 121.2 | ↑1.0 | |
| 5/21 05:20 | 122.1 | ↑0.9 | |
| 5/21 05:30 | 122.8 | ↑0.7 | |
| 5/21 05:40 | 123.4 | ↑0.6 | |
| 5/21 05:50 | 123.7 | ↑0.3 | |
| 5/21 06:00 | 123.9 | ↑0.2 | 満潮 |
| 5/21 06:10 | 123.7 | ↓-0.2 | |
| 5/21 06:20 | 123.4 | ↓-0.3 | |
| 5/21 06:30 | 122.8 | ↓-0.6 | |
| 5/21 06:40 | 121.9 | ↓-0.9 | |
| 5/21 06:50 | 120.7 | ↓-1.2 | |
| 5/21 07:00 | 119.3 | ↓-1.4 | |
| 5/21 07:10 | 117.6 | ↓-1.7 | |
| 5/21 07:20 | 115.7 | ↓-1.9 | |
| 5/21 07:30 | 113.6 | ↓-2.1 | |
| 5/21 07:40 | 111.3 | ↓-2.3 | |
| 5/21 07:50 | 108.8 | ↓-2.5 | |
| 5/21 08:00 | 106.2 | ↓-2.6 | |
| 5/21 08:10 | 103.5 | ↓-2.7 | |
| 5/21 08:20 | 100.7 | ↓-2.8 | |
| 5/21 08:30 | 97.8 | ↓-2.9 | |
| 5/21 08:40 | 94.8 | ↓-3.0 | |
| 5/21 08:50 | 91.8 | ↓-3.0 | |
| 5/21 09:00 | 88.8 | ↓-3.0 | |
| 5/21 09:10 | 85.7 | ↓-3.1 | |
| 5/21 09:20 | 82.6 | ↓-3.1 | |
| 5/21 09:30 | 79.5 | ↓-3.1 | |
| 5/21 09:40 | 76.4 | ↓-3.1 | |
| 5/21 09:50 | 73.3 | ↓-3.1 | |
| 5/21 10:00 | 70.1 | ↓-3.2 | |
| 5/21 10:10 | 67.0 | ↓-3.1 | |
| 5/21 10:20 | 63.8 | ↓-3.2 | |
| 5/21 10:30 | 60.7 | ↓-3.1 | |
| 5/21 10:40 | 57.5 | ↓-3.2 | |
| 5/21 10:50 | 54.4 | ↓-3.1 | |
| 5/21 11:00 | 51.3 | ↓-3.1 | |
| 5/21 11:10 | 48.2 | ↓-3.1 | |
| 5/21 11:20 | 45.2 | ↓-3.0 | |
| 5/21 11:30 | 42.4 | ↓-2.8 | |
| 5/21 11:40 | 39.6 | ↓-2.8 | |
| 5/21 11:50 | 37.0 | ↓-2.6 | |
| 5/21 12:00 | 34.6 | ↓-2.4 | |
| 5/21 12:10 | 32.4 | ↓-2.2 | |
| 5/21 12:20 | 30.3 | ↓-2.1 | |
| 5/21 12:30 | 28.6 | ↓-1.7 | |
| 5/21 12:40 | 27.0 | ↓-1.6 | |
| 5/21 12:50 | 25.8 | ↓-1.2 | |
| 5/21 13:00 | 24.7 | ↓-1.1 | |
| 5/21 13:10 | 24.0 | ↓-0.7 | |
| 5/21 13:20 | 23.5 | ↓-0.5 | |
| 5/21 13:30 | 23.3 | ↓-0.2 | 干潮 |
| 5/21 13:40 | 23.3 | 0 | |
| 5/21 13:50 | 23.5 | ↑0.2 | |
| 5/21 14:00 | 24.0 | ↑0.5 | |
| 5/21 14:10 | 24.6 | ↑0.6 | |
| 5/21 14:20 | 25.5 | ↑0.9 | |
| 5/21 14:30 | 26.5 | ↑1.0 | |
| 5/21 14:40 | 27.7 | ↑1.2 | |
| 5/21 14:50 | 29.1 | ↑1.4 | |
| 5/21 15:00 | 30.6 | ↑1.5 | |
| 5/21 15:10 | 32.3 | ↑1.7 | |
| 5/21 15:20 | 34.2 | ↑1.9 | |
| 5/21 15:30 | 36.1 | ↑1.9 | |
| 5/21 15:40 | 38.3 | ↑2.2 | |
| 5/21 15:50 | 40.5 | ↑2.2 | |
| 5/21 16:00 | 42.9 | ↑2.4 | |
| 5/21 16:10 | 45.5 | ↑2.6 | |
| 5/21 16:20 | 48.2 | ↑2.7 | |
| 5/21 16:30 | 51.0 | ↑2.8 | |
| 5/21 16:40 | 54.0 | ↑3.0 | |
| 5/21 16:50 | 57.1 | ↑3.1 | |
| 5/21 17:00 | 60.2 | ↑3.1 | |
| 5/21 17:10 | 63.4 | ↑3.2 | |
| 5/21 17:20 | 66.7 | ↑3.3 | 最大潮位差 |
| 5/21 17:30 | 70.0 | ↑3.3 | 最大潮位差 |
| 5/21 17:40 | 73.3 | ↑3.3 | 最大潮位差 |
| 5/21 17:50 | 76.5 | ↑3.2 | |
| 5/21 18:00 | 79.7 | ↑3.2 | |
| 5/21 18:10 | 82.8 | ↑3.1 | |
| 5/21 18:20 | 85.7 | ↑2.9 | |
| 5/21 18:30 | 88.5 | ↑2.8 | |
| 5/21 18:40 | 91.1 | ↑2.6 | |
| 5/21 18:50 | 93.5 | ↑2.4 | |
| 5/21 19:00 | 95.7 | ↑2.2 | |
| 5/21 19:10 | 97.7 | ↑2.0 | |
| 5/21 19:20 | 99.6 | ↑1.9 | |
| 5/21 19:30 | 101.1 | ↑1.5 | |
| 5/21 19:40 | 102.5 | ↑1.4 | |
| 5/21 19:50 | 103.7 | ↑1.2 | |
| 5/21 20:00 | 104.8 | ↑1.1 | |
| 5/21 20:10 | 105.6 | ↑0.8 | |
| 5/21 20:20 | 106.3 | ↑0.7 | |
| 5/21 20:30 | 106.9 | ↑0.6 | |
| 5/21 20:40 | 107.4 | ↑0.5 | |
| 5/21 20:50 | 107.7 | ↑0.3 | |
| 5/21 21:00 | 108.0 | ↑0.3 | |
| 5/21 21:10 | 108.1 | ↑0.1 | |
| 5/21 21:20 | 108.2 | ↑0.1 | 満潮 |
| 5/21 21:30 | 108.2 | 0 | |
| 5/21 21:40 | 108.1 | ↓-0.1 | |
| 5/21 21:50 | 108.0 | ↓-0.1 | |
| 5/21 22:00 | 107.7 | ↓-0.3 | |
| 5/21 22:10 | 107.4 | ↓-0.3 | |
| 5/21 22:20 | 107.0 | ↓-0.4 | |
| 5/21 22:30 | 106.5 | ↓-0.5 | |
| 5/21 22:40 | 105.9 | ↓-0.6 | |
| 5/21 22:50 | 105.3 | ↓-0.6 | |
| 5/21 23:00 | 104.5 | ↓-0.8 | |
| 5/21 23:10 | 103.7 | ↓-0.8 | |
| 5/21 23:20 | 102.9 | ↓-0.8 | |
| 5/21 23:30 | 102.0 | ↓-0.9 | |
| 5/21 23:40 | 101.1 | ↓-0.9 | |
| 5/21 23:50 | 100.1 | ↓-1.0 |