| 満潮 | 干潮 | 満潮 | 干潮 |
|
20
(火) |
06:48 | 01:34 | 22:55 | 14:35 |
| 118cm | 99cm | 107cm | 32cm | |
|
||||
苫小牧（北海道）2025年05月20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 |
|---|---|---|---|
| 5/20 00:00 | 101.9 | ↓-0.7 | |
| 5/20 00:10 | 101.3 | ↓-0.6 | |
| 5/20 00:20 | 100.6 | ↓-0.7 | |
| 5/20 00:30 | 100.1 | ↓-0.5 | |
| 5/20 00:40 | 99.5 | ↓-0.6 | |
| 5/20 00:50 | 99.1 | ↓-0.4 | |
| 5/20 01:00 | 98.7 | ↓-0.4 | |
| 5/20 01:10 | 98.5 | ↓-0.2 | |
| 5/20 01:20 | 98.3 | ↓-0.2 | |
| 5/20 01:30 | 98.2 | ↓-0.1 | 干潮 |
| 5/20 01:40 | 98.2 | 0 | |
| 5/20 01:50 | 98.3 | ↑0.1 | |
| 5/20 02:00 | 98.5 | ↑0.2 | |
| 5/20 02:10 | 98.8 | ↑0.3 | |
| 5/20 02:20 | 99.1 | ↑0.3 | |
| 5/20 02:30 | 99.6 | ↑0.5 | |
| 5/20 02:40 | 100.0 | ↑0.4 | |
| 5/20 02:50 | 100.5 | ↑0.5 | |
| 5/20 03:00 | 101.1 | ↑0.6 | |
| 5/20 03:10 | 101.7 | ↑0.6 | |
| 5/20 03:20 | 102.3 | ↑0.6 | |
| 5/20 03:30 | 102.9 | ↑0.6 | |
| 5/20 03:40 | 103.6 | ↑0.7 | |
| 5/20 03:50 | 104.4 | ↑0.8 | |
| 5/20 04:00 | 105.1 | ↑0.7 | |
| 5/20 04:10 | 106.0 | ↑0.9 | |
| 5/20 04:20 | 106.8 | ↑0.8 | |
| 5/20 04:30 | 107.7 | ↑0.9 | |
| 5/20 04:40 | 108.6 | ↑0.9 | |
| 5/20 04:50 | 109.6 | ↑1.0 | |
| 5/20 05:00 | 110.6 | ↑1.0 | |
| 5/20 05:10 | 111.6 | ↑1.0 | |
| 5/20 05:20 | 112.5 | ↑0.9 | |
| 5/20 05:30 | 113.5 | ↑1.0 | |
| 5/20 05:40 | 114.4 | ↑0.9 | |
| 5/20 05:50 | 115.3 | ↑0.9 | |
| 5/20 06:00 | 116.0 | ↑0.7 | |
| 5/20 06:10 | 116.7 | ↑0.7 | |
| 5/20 06:20 | 117.2 | ↑0.5 | |
| 5/20 06:30 | 117.6 | ↑0.4 | |
| 5/20 06:40 | 117.9 | ↑0.3 | 満潮 |
| 5/20 06:50 | 117.9 | 0 | |
| 5/20 07:00 | 117.7 | ↓-0.2 | |
| 5/20 07:10 | 117.4 | ↓-0.3 | |
| 5/20 07:20 | 116.8 | ↓-0.6 | |
| 5/20 07:30 | 116.0 | ↓-0.8 | |
| 5/20 07:40 | 115.0 | ↓-1.0 | |
| 5/20 07:50 | 113.8 | ↓-1.2 | |
| 5/20 08:00 | 112.5 | ↓-1.3 | |
| 5/20 08:10 | 110.9 | ↓-1.6 | |
| 5/20 08:20 | 109.2 | ↓-1.7 | |
| 5/20 08:30 | 107.3 | ↓-1.9 | |
| 5/20 08:40 | 105.3 | ↓-2.0 | |
| 5/20 08:50 | 103.2 | ↓-2.1 | |
| 5/20 09:00 | 101.0 | ↓-2.2 | |
| 5/20 09:10 | 98.7 | ↓-2.3 | |
| 5/20 09:20 | 96.3 | ↓-2.4 | |
| 5/20 09:30 | 93.9 | ↓-2.4 | |
| 5/20 09:40 | 91.4 | ↓-2.5 | |
| 5/20 09:50 | 88.9 | ↓-2.5 | |
| 5/20 10:00 | 86.3 | ↓-2.6 | |
| 5/20 10:10 | 83.6 | ↓-2.7 | |
| 5/20 10:20 | 81.0 | ↓-2.6 | |
| 5/20 10:30 | 78.2 | ↓-2.8 | 最大潮位差 |
| 5/20 10:40 | 75.5 | ↓-2.7 | |
| 5/20 10:50 | 72.7 | ↓-2.8 | 最大潮位差 |
| 5/20 11:00 | 70.0 | ↓-2.7 | |
| 5/20 11:10 | 67.2 | ↓-2.8 | 最大潮位差 |
| 5/20 11:20 | 64.4 | ↓-2.8 | 最大潮位差 |
| 5/20 11:30 | 61.6 | ↓-2.8 | 最大潮位差 |
| 5/20 11:40 | 58.9 | ↓-2.7 | |
| 5/20 11:50 | 56.1 | ↓-2.8 | 最大潮位差 |
| 5/20 12:00 | 53.5 | ↓-2.6 | |
| 5/20 12:10 | 50.9 | ↓-2.6 | |
| 5/20 12:20 | 48.4 | ↓-2.5 | |
| 5/20 12:30 | 46.1 | ↓-2.3 | |
| 5/20 12:40 | 43.9 | ↓-2.2 | |
| 5/20 12:50 | 41.8 | ↓-2.1 | |
| 5/20 13:00 | 39.9 | ↓-1.9 | |
| 5/20 13:10 | 38.1 | ↓-1.8 | |
| 5/20 13:20 | 36.6 | ↓-1.5 | |
| 5/20 13:30 | 35.3 | ↓-1.3 | |
| 5/20 13:40 | 34.1 | ↓-1.2 | |
| 5/20 13:50 | 33.2 | ↓-0.9 | |
| 5/20 14:00 | 32.4 | ↓-0.8 | |
| 5/20 14:10 | 31.9 | ↓-0.5 | |
| 5/20 14:20 | 31.5 | ↓-0.4 | |
| 5/20 14:30 | 31.4 | ↓-0.1 | 干潮 |
| 5/20 14:40 | 31.4 | 0 | |
| 5/20 14:50 | 31.5 | ↑0.1 | |
| 5/20 15:00 | 31.9 | ↑0.4 | |
| 5/20 15:10 | 32.4 | ↑0.5 | |
| 5/20 15:20 | 33.1 | ↑0.7 | |
| 5/20 15:30 | 33.9 | ↑0.8 | |
| 5/20 15:40 | 34.8 | ↑0.9 | |
| 5/20 15:50 | 36.0 | ↑1.2 | |
| 5/20 16:00 | 37.2 | ↑1.2 | |
| 5/20 16:10 | 38.6 | ↑1.4 | |
| 5/20 16:20 | 40.1 | ↑1.5 | |
| 5/20 16:30 | 41.8 | ↑1.7 | |
| 5/20 16:40 | 43.6 | ↑1.8 | |
| 5/20 16:50 | 45.6 | ↑2.0 | |
| 5/20 17:00 | 47.7 | ↑2.1 | |
| 5/20 17:10 | 49.9 | ↑2.2 | |
| 5/20 17:20 | 52.2 | ↑2.3 | |
| 5/20 17:30 | 54.6 | ↑2.4 | |
| 5/20 17:40 | 57.2 | ↑2.6 | |
| 5/20 17:50 | 59.8 | ↑2.6 | |
| 5/20 18:00 | 62.4 | ↑2.6 | |
| 5/20 18:10 | 65.1 | ↑2.7 | |
| 5/20 18:20 | 67.8 | ↑2.7 | |
| 5/20 18:30 | 70.5 | ↑2.7 | |
| 5/20 18:40 | 73.2 | ↑2.7 | |
| 5/20 18:50 | 75.9 | ↑2.7 | |
| 5/20 19:00 | 78.4 | ↑2.5 | |
| 5/20 19:10 | 80.9 | ↑2.5 | |
| 5/20 19:20 | 83.3 | ↑2.4 | |
| 5/20 19:30 | 85.6 | ↑2.3 | |
| 5/20 19:40 | 87.7 | ↑2.1 | |
| 5/20 19:50 | 89.7 | ↑2.0 | |
| 5/20 20:00 | 91.6 | ↑1.9 | |
| 5/20 20:10 | 93.4 | ↑1.8 | |
| 5/20 20:20 | 95.1 | ↑1.7 | |
| 5/20 20:30 | 96.6 | ↑1.5 | |
| 5/20 20:40 | 98.0 | ↑1.4 | |
| 5/20 20:50 | 99.3 | ↑1.3 | |
| 5/20 21:00 | 100.4 | ↑1.1 | |
| 5/20 21:10 | 101.5 | ↑1.1 | |
| 5/20 21:20 | 102.5 | ↑1.0 | |
| 5/20 21:30 | 103.3 | ↑0.8 | |
| 5/20 21:40 | 104.1 | ↑0.8 | |
| 5/20 21:50 | 104.8 | ↑0.7 | |
| 5/20 22:00 | 105.4 | ↑0.6 | |
| 5/20 22:10 | 105.9 | ↑0.5 | |
| 5/20 22:20 | 106.3 | ↑0.4 | |
| 5/20 22:30 | 106.6 | ↑0.3 | |
| 5/20 22:40 | 106.8 | ↑0.2 | |
| 5/20 22:50 | 107.0 | ↑0.2 | 満潮 |
| 5/20 23:00 | 106.9 | ↓-0.1 | |
| 5/20 23:10 | 106.8 | ↓-0.1 | |
| 5/20 23:20 | 106.6 | ↓-0.2 | |
| 5/20 23:30 | 106.3 | ↓-0.3 | |
| 5/20 23:40 | 105.8 | ↓-0.5 | |
| 5/20 23:50 | 105.3 | ↓-0.5 |