| 満潮 | 干潮 | 満潮 | 干潮 |
|
21
(日) |
13:17 | 06:49 | - | 18:18 |
| 103cm | 51cm | - | 71cm | |
|
||||
苫小牧（北海道）2051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 | 117.5 | ↓-0.2 | |
| 5/21 00:10 | 117.1 | ↓-0.4 | |
| 5/21 00:20 | 116.5 | ↓-0.6 | |
| 5/21 00:30 | 115.8 | ↓-0.7 | |
| 5/21 00:40 | 115.0 | ↓-0.8 | |
| 5/21 00:50 | 113.9 | ↓-1.1 | |
| 5/21 01:00 | 112.7 | ↓-1.2 | |
| 5/21 01:10 | 111.4 | ↓-1.3 | |
| 5/21 01:20 | 110.0 | ↓-1.4 | |
| 5/21 01:30 | 108.4 | ↓-1.6 | |
| 5/21 01:40 | 106.6 | ↓-1.8 | |
| 5/21 01:50 | 104.8 | ↓-1.8 | |
| 5/21 02:00 | 102.8 | ↓-2.0 | |
| 5/21 02:10 | 100.7 | ↓-2.1 | |
| 5/21 02:20 | 98.5 | ↓-2.2 | |
| 5/21 02:30 | 96.3 | ↓-2.2 | |
| 5/21 02:40 | 93.9 | ↓-2.4 | |
| 5/21 02:50 | 91.5 | ↓-2.4 | |
| 5/21 03:00 | 89.1 | ↓-2.4 | |
| 5/21 03:10 | 86.6 | ↓-2.5 | |
| 5/21 03:20 | 84.1 | ↓-2.5 | |
| 5/21 03:30 | 81.5 | ↓-2.6 | 最大潮位差 |
| 5/21 03:40 | 79.0 | ↓-2.5 | |
| 5/21 03:50 | 76.5 | ↓-2.5 | |
| 5/21 04:00 | 74.1 | ↓-2.4 | |
| 5/21 04:10 | 71.7 | ↓-2.4 | |
| 5/21 04:20 | 69.4 | ↓-2.3 | |
| 5/21 04:30 | 67.1 | ↓-2.3 | |
| 5/21 04:40 | 65.0 | ↓-2.1 | |
| 5/21 04:50 | 63.0 | ↓-2.0 | |
| 5/21 05:00 | 61.1 | ↓-1.9 | |
| 5/21 05:10 | 59.4 | ↓-1.7 | |
| 5/21 05:20 | 57.8 | ↓-1.6 | |
| 5/21 05:30 | 56.3 | ↓-1.5 | |
| 5/21 05:40 | 55.0 | ↓-1.3 | |
| 5/21 05:50 | 53.9 | ↓-1.1 | |
| 5/21 06:00 | 53.0 | ↓-0.9 | |
| 5/21 06:10 | 52.2 | ↓-0.8 | |
| 5/21 06:20 | 51.6 | ↓-0.6 | |
| 5/21 06:30 | 51.2 | ↓-0.4 | |
| 5/21 06:40 | 51.0 | ↓-0.2 | 干潮 |
| 5/21 06:50 | 50.9 | ↓-0.1 | |
| 5/21 07:00 | 51.1 | ↑0.2 | |
| 5/21 07:10 | 51.4 | ↑0.3 | |
| 5/21 07:20 | 51.8 | ↑0.4 | |
| 5/21 07:30 | 52.4 | ↑0.6 | |
| 5/21 07:40 | 53.2 | ↑0.8 | |
| 5/21 07:50 | 54.2 | ↑1.0 | |
| 5/21 08:00 | 55.3 | ↑1.1 | |
| 5/21 08:10 | 56.5 | ↑1.2 | |
| 5/21 08:20 | 57.9 | ↑1.4 | |
| 5/21 08:30 | 59.4 | ↑1.5 | |
| 5/21 08:40 | 61.0 | ↑1.6 | |
| 5/21 08:50 | 62.8 | ↑1.8 | |
| 5/21 09:00 | 64.6 | ↑1.8 | |
| 5/21 09:10 | 66.6 | ↑2.0 | |
| 5/21 09:20 | 68.6 | ↑2.0 | |
| 5/21 09:30 | 70.6 | ↑2.0 | |
| 5/21 09:40 | 72.7 | ↑2.1 | |
| 5/21 09:50 | 74.8 | ↑2.1 | |
| 5/21 10:00 | 77.0 | ↑2.2 | |
| 5/21 10:10 | 79.1 | ↑2.1 | |
| 5/21 10:20 | 81.2 | ↑2.1 | |
| 5/21 10:30 | 83.3 | ↑2.1 | |
| 5/21 10:40 | 85.3 | ↑2.0 | |
| 5/21 10:50 | 87.3 | ↑2.0 | |
| 5/21 11:00 | 89.2 | ↑1.9 | |
| 5/21 11:10 | 91.0 | ↑1.8 | |
| 5/21 11:20 | 92.6 | ↑1.6 | |
| 5/21 11:30 | 94.2 | ↑1.6 | |
| 5/21 11:40 | 95.6 | ↑1.4 | |
| 5/21 11:50 | 96.9 | ↑1.3 | |
| 5/21 12:00 | 98.1 | ↑1.2 | |
| 5/21 12:10 | 99.2 | ↑1.1 | |
| 5/21 12:20 | 100.1 | ↑0.9 | |
| 5/21 12:30 | 100.8 | ↑0.7 | |
| 5/21 12:40 | 101.4 | ↑0.6 | |
| 5/21 12:50 | 101.9 | ↑0.5 | |
| 5/21 13:00 | 102.2 | ↑0.3 | |
| 5/21 13:10 | 102.4 | ↑0.2 | 満潮 |
| 5/21 13:20 | 102.4 | 0 | |
| 5/21 13:30 | 102.3 | ↓-0.1 | |
| 5/21 13:40 | 102.0 | ↓-0.3 | |
| 5/21 13:50 | 101.6 | ↓-0.4 | |
| 5/21 14:00 | 101.0 | ↓-0.6 | |
| 5/21 14:10 | 100.3 | ↓-0.7 | |
| 5/21 14:20 | 99.4 | ↓-0.9 | |
| 5/21 14:30 | 98.5 | ↓-0.9 | |
| 5/21 14:40 | 97.3 | ↓-1.2 | |
| 5/21 14:50 | 96.1 | ↓-1.2 | |
| 5/21 15:00 | 94.8 | ↓-1.3 | |
| 5/21 15:10 | 93.3 | ↓-1.5 | |
| 5/21 15:20 | 91.8 | ↓-1.5 | |
| 5/21 15:30 | 90.2 | ↓-1.6 | |
| 5/21 15:40 | 88.6 | ↓-1.6 | |
| 5/21 15:50 | 86.9 | ↓-1.7 | |
| 5/21 16:00 | 85.2 | ↓-1.7 | |
| 5/21 16:10 | 83.5 | ↓-1.7 | |
| 5/21 16:20 | 81.9 | ↓-1.6 | |
| 5/21 16:30 | 80.3 | ↓-1.6 | |
| 5/21 16:40 | 78.8 | ↓-1.5 | |
| 5/21 16:50 | 77.3 | ↓-1.5 | |
| 5/21 17:00 | 76.0 | ↓-1.3 | |
| 5/21 17:10 | 74.8 | ↓-1.2 | |
| 5/21 17:20 | 73.7 | ↓-1.1 | |
| 5/21 17:30 | 72.8 | ↓-0.9 | |
| 5/21 17:40 | 72.1 | ↓-0.7 | |
| 5/21 17:50 | 71.5 | ↓-0.6 | |
| 5/21 18:00 | 71.1 | ↓-0.4 | |
| 5/21 18:10 | 70.9 | ↓-0.2 | 干潮 |
| 5/21 18:20 | 70.9 | 0 | |
| 5/21 18:30 | 71.0 | ↑0.1 | |
| 5/21 18:40 | 71.3 | ↑0.3 | |
| 5/21 18:50 | 71.8 | ↑0.5 | |
| 5/21 19:00 | 72.5 | ↑0.7 | |
| 5/21 19:10 | 73.4 | ↑0.9 | |
| 5/21 19:20 | 74.4 | ↑1.0 | |
| 5/21 19:30 | 75.5 | ↑1.1 | |
| 5/21 19:40 | 76.8 | ↑1.3 | |
| 5/21 19:50 | 78.2 | ↑1.4 | |
| 5/21 20:00 | 79.8 | ↑1.6 | |
| 5/21 20:10 | 81.4 | ↑1.6 | |
| 5/21 20:20 | 83.2 | ↑1.8 | |
| 5/21 20:30 | 85.1 | ↑1.9 | |
| 5/21 20:40 | 87.1 | ↑2.0 | |
| 5/21 20:50 | 89.1 | ↑2.0 | |
| 5/21 21:00 | 91.2 | ↑2.1 | |
| 5/21 21:10 | 93.4 | ↑2.2 | |
| 5/21 21:20 | 95.6 | ↑2.2 | |
| 5/21 21:30 | 97.9 | ↑2.3 | |
| 5/21 21:40 | 100.1 | ↑2.2 | |
| 5/21 21:50 | 102.4 | ↑2.3 | |
| 5/21 22:00 | 104.6 | ↑2.2 | |
| 5/21 22:10 | 106.8 | ↑2.2 | |
| 5/21 22:20 | 108.9 | ↑2.1 | |
| 5/21 22:30 | 110.9 | ↑2.0 | |
| 5/21 22:40 | 112.8 | ↑1.9 | |
| 5/21 22:50 | 114.6 | ↑1.8 | |
| 5/21 23:00 | 116.2 | ↑1.6 | |
| 5/21 23:10 | 117.7 | ↑1.5 | |
| 5/21 23:20 | 118.9 | ↑1.2 | |
| 5/21 23:30 | 120.1 | ↑1.2 | |
| 5/21 23:40 | 121.0 | ↑0.9 | |
| 5/21 23:50 | 121.7 | ↑0.7 |