| 満潮 | 干潮 | 満潮 | 干潮 |
|
21
(日) |
02:56 | 10:16 | 17:31 | 21:51 |
| 145cm | -2cm | 123cm | 91cm | |
|
||||
苫小牧（北海道）2023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 | 109.4 | ↑2.4 | |
| 5/21 00:10 | 111.8 | ↑2.4 | |
| 5/21 00:20 | 114.4 | ↑2.6 | |
| 5/21 00:30 | 117.0 | ↑2.6 | |
| 5/21 00:40 | 119.7 | ↑2.7 | |
| 5/21 00:50 | 122.4 | ↑2.7 | |
| 5/21 01:00 | 125.2 | ↑2.8 | |
| 5/21 01:10 | 127.9 | ↑2.7 | |
| 5/21 01:20 | 130.5 | ↑2.6 | |
| 5/21 01:30 | 133.1 | ↑2.6 | |
| 5/21 01:40 | 135.5 | ↑2.4 | |
| 5/21 01:50 | 137.7 | ↑2.2 | |
| 5/21 02:00 | 139.6 | ↑1.9 | |
| 5/21 02:10 | 141.3 | ↑1.7 | |
| 5/21 02:20 | 142.8 | ↑1.5 | |
| 5/21 02:30 | 143.8 | ↑1.0 | |
| 5/21 02:40 | 144.6 | ↑0.8 | |
| 5/21 02:50 | 145.0 | ↑0.4 | 満潮 |
| 5/21 03:00 | 145.0 | 0 | |
| 5/21 03:10 | 144.6 | ↓-0.4 | |
| 5/21 03:20 | 143.8 | ↓-0.8 | |
| 5/21 03:30 | 142.7 | ↓-1.1 | |
| 5/21 03:40 | 141.3 | ↓-1.4 | |
| 5/21 03:50 | 139.5 | ↓-1.8 | |
| 5/21 04:00 | 137.4 | ↓-2.1 | |
| 5/21 04:10 | 135.1 | ↓-2.3 | |
| 5/21 04:20 | 132.5 | ↓-2.6 | |
| 5/21 04:30 | 129.6 | ↓-2.9 | |
| 5/21 04:40 | 126.5 | ↓-3.1 | |
| 5/21 04:50 | 123.2 | ↓-3.3 | |
| 5/21 05:00 | 119.7 | ↓-3.5 | |
| 5/21 05:10 | 116.1 | ↓-3.6 | |
| 5/21 05:20 | 112.2 | ↓-3.9 | |
| 5/21 05:30 | 108.1 | ↓-4.1 | |
| 5/21 05:40 | 103.9 | ↓-4.2 | |
| 5/21 05:50 | 99.5 | ↓-4.4 | |
| 5/21 06:00 | 95.0 | ↓-4.5 | |
| 5/21 06:10 | 90.2 | ↓-4.8 | |
| 5/21 06:20 | 85.3 | ↓-4.9 | |
| 5/21 06:30 | 80.3 | ↓-5.0 | |
| 5/21 06:40 | 75.1 | ↓-5.2 | |
| 5/21 06:50 | 69.8 | ↓-5.3 | |
| 5/21 07:00 | 64.5 | ↓-5.3 | |
| 5/21 07:10 | 59.1 | ↓-5.4 | 最大潮位差 |
| 5/21 07:20 | 53.7 | ↓-5.4 | 最大潮位差 |
| 5/21 07:30 | 48.3 | ↓-5.4 | 最大潮位差 |
| 5/21 07:40 | 43.0 | ↓-5.3 | |
| 5/21 07:50 | 37.8 | ↓-5.2 | |
| 5/21 08:00 | 32.9 | ↓-4.9 | |
| 5/21 08:10 | 28.1 | ↓-4.8 | |
| 5/21 08:20 | 23.6 | ↓-4.5 | |
| 5/21 08:30 | 19.3 | ↓-4.3 | |
| 5/21 08:40 | 15.4 | ↓-3.9 | |
| 5/21 08:50 | 11.9 | ↓-3.5 | |
| 5/21 09:00 | 8.8 | ↓-3.1 | |
| 5/21 09:10 | 6.0 | ↓-2.8 | |
| 5/21 09:20 | 3.7 | ↓-2.3 | |
| 5/21 09:30 | 1.8 | ↓-1.9 | |
| 5/21 09:40 | 0.3 | ↓-1.5 | |
| 5/21 09:50 | -0.9 | ↓-1.2 | |
| 5/21 10:00 | -1.6 | ↓-0.7 | |
| 5/21 10:10 | -2.0 | ↓-0.4 | 干潮 |
| 5/21 10:20 | -2.0 | 0 | |
| 5/21 10:30 | -1.6 | ↑0.4 | |
| 5/21 10:40 | -0.9 | ↑0.7 | |
| 5/21 10:50 | 0.1 | ↑1.0 | |
| 5/21 11:00 | 1.4 | ↑1.3 | |
| 5/21 11:10 | 3.0 | ↑1.6 | |
| 5/21 11:20 | 4.9 | ↑1.9 | |
| 5/21 11:30 | 7.1 | ↑2.2 | |
| 5/21 11:40 | 9.5 | ↑2.4 | |
| 5/21 11:50 | 12.3 | ↑2.8 | |
| 5/21 12:00 | 15.4 | ↑3.1 | |
| 5/21 12:10 | 18.7 | ↑3.3 | |
| 5/21 12:20 | 22.4 | ↑3.7 | |
| 5/21 12:30 | 26.3 | ↑3.9 | |
| 5/21 12:40 | 30.5 | ↑4.2 | |
| 5/21 12:50 | 34.9 | ↑4.4 | |
| 5/21 13:00 | 39.5 | ↑4.6 | |
| 5/21 13:10 | 44.3 | ↑4.8 | |
| 5/21 13:20 | 49.3 | ↑5.0 | |
| 5/21 13:30 | 54.4 | ↑5.1 | |
| 5/21 13:40 | 59.5 | ↑5.1 | |
| 5/21 13:50 | 64.7 | ↑5.2 | |
| 5/21 14:00 | 69.8 | ↑5.1 | |
| 5/21 14:10 | 74.8 | ↑5.0 | |
| 5/21 14:20 | 79.7 | ↑4.9 | |
| 5/21 14:30 | 84.5 | ↑4.8 | |
| 5/21 14:40 | 89.0 | ↑4.5 | |
| 5/21 14:50 | 93.3 | ↑4.3 | |
| 5/21 15:00 | 97.3 | ↑4.0 | |
| 5/21 15:10 | 101.0 | ↑3.7 | |
| 5/21 15:20 | 104.4 | ↑3.4 | |
| 5/21 15:30 | 107.4 | ↑3.0 | |
| 5/21 15:40 | 110.2 | ↑2.8 | |
| 5/21 15:50 | 112.6 | ↑2.4 | |
| 5/21 16:00 | 114.7 | ↑2.1 | |
| 5/21 16:10 | 116.6 | ↑1.9 | |
| 5/21 16:20 | 118.1 | ↑1.5 | |
| 5/21 16:30 | 119.4 | ↑1.3 | |
| 5/21 16:40 | 120.5 | ↑1.1 | |
| 5/21 16:50 | 121.4 | ↑0.9 | |
| 5/21 17:00 | 122.0 | ↑0.6 | |
| 5/21 17:10 | 122.5 | ↑0.5 | |
| 5/21 17:20 | 122.7 | ↑0.2 | |
| 5/21 17:30 | 122.8 | ↑0.1 | 満潮 |
| 5/21 17:40 | 122.7 | ↓-0.1 | |
| 5/21 17:50 | 122.5 | ↓-0.2 | |
| 5/21 18:00 | 122.0 | ↓-0.5 | |
| 5/21 18:10 | 121.4 | ↓-0.6 | |
| 5/21 18:20 | 120.6 | ↓-0.8 | |
| 5/21 18:30 | 119.5 | ↓-1.1 | |
| 5/21 18:40 | 118.3 | ↓-1.2 | |
| 5/21 18:50 | 116.9 | ↓-1.4 | |
| 5/21 19:00 | 115.4 | ↓-1.5 | |
| 5/21 19:10 | 113.7 | ↓-1.7 | |
| 5/21 19:20 | 111.8 | ↓-1.9 | |
| 5/21 19:30 | 109.9 | ↓-1.9 | |
| 5/21 19:40 | 107.9 | ↓-2.0 | |
| 5/21 19:50 | 105.8 | ↓-2.1 | |
| 5/21 20:00 | 103.7 | ↓-2.1 | |
| 5/21 20:10 | 101.7 | ↓-2.0 | |
| 5/21 20:20 | 99.7 | ↓-2.0 | |
| 5/21 20:30 | 97.9 | ↓-1.8 | |
| 5/21 20:40 | 96.1 | ↓-1.8 | |
| 5/21 20:50 | 94.6 | ↓-1.5 | |
| 5/21 21:00 | 93.3 | ↓-1.3 | |
| 5/21 21:10 | 92.2 | ↓-1.1 | |
| 5/21 21:20 | 91.3 | ↓-0.9 | |
| 5/21 21:30 | 90.7 | ↓-0.6 | |
| 5/21 21:40 | 90.3 | ↓-0.4 | |
| 5/21 21:50 | 90.2 | ↓-0.1 | 干潮 |
| 5/21 22:00 | 90.4 | ↑0.2 | |
| 5/21 22:10 | 90.7 | ↑0.3 | |
| 5/21 22:20 | 91.3 | ↑0.6 | |
| 5/21 22:30 | 92.0 | ↑0.7 | |
| 5/21 22:40 | 93.0 | ↑1.0 | |
| 5/21 22:50 | 94.0 | ↑1.0 | |
| 5/21 23:00 | 95.2 | ↑1.2 | |
| 5/21 23:10 | 96.6 | ↑1.4 | |
| 5/21 23:20 | 98.0 | ↑1.4 | |
| 5/21 23:30 | 99.6 | ↑1.6 | |
| 5/21 23:40 | 101.2 | ↑1.6 | |
| 5/21 23:50 | 102.9 | ↑1.7 |