| 満潮 | 干潮 | 満潮 | 干潮 |
|
18
(火) |
05:41 | 00:11 | 21:42 | 13:22 |
| 127cm | 97cm | 107cm | 21cm | |
|
||||
苫小牧（北海道）2021年05月18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 |
|---|---|---|---|
| 5/18 00:00 | 96.6 | ↓-0.2 | |
| 5/18 00:10 | 96.5 | ↓-0.1 | 干潮 |
| 5/18 00:20 | 96.6 | ↑0.1 | |
| 5/18 00:30 | 96.9 | ↑0.3 | |
| 5/18 00:40 | 97.3 | ↑0.4 | |
| 5/18 00:50 | 97.8 | ↑0.5 | |
| 5/18 01:00 | 98.5 | ↑0.7 | |
| 5/18 01:10 | 99.4 | ↑0.9 | |
| 5/18 01:20 | 100.3 | ↑0.9 | |
| 5/18 01:30 | 101.3 | ↑1.0 | |
| 5/18 01:40 | 102.4 | ↑1.1 | |
| 5/18 01:50 | 103.5 | ↑1.1 | |
| 5/18 02:00 | 104.7 | ↑1.2 | |
| 5/18 02:10 | 105.9 | ↑1.2 | |
| 5/18 02:20 | 107.1 | ↑1.2 | |
| 5/18 02:30 | 108.3 | ↑1.2 | |
| 5/18 02:40 | 109.4 | ↑1.1 | |
| 5/18 02:50 | 110.6 | ↑1.2 | |
| 5/18 03:00 | 111.8 | ↑1.2 | |
| 5/18 03:10 | 113.0 | ↑1.2 | |
| 5/18 03:20 | 114.1 | ↑1.1 | |
| 5/18 03:30 | 115.3 | ↑1.2 | |
| 5/18 03:40 | 116.4 | ↑1.1 | |
| 5/18 03:50 | 117.6 | ↑1.2 | |
| 5/18 04:00 | 118.7 | ↑1.1 | |
| 5/18 04:10 | 119.9 | ↑1.2 | |
| 5/18 04:20 | 120.9 | ↑1.0 | |
| 5/18 04:30 | 122.0 | ↑1.1 | |
| 5/18 04:40 | 123.0 | ↑1.0 | |
| 5/18 04:50 | 123.9 | ↑0.9 | |
| 5/18 05:00 | 124.7 | ↑0.8 | |
| 5/18 05:10 | 125.3 | ↑0.6 | |
| 5/18 05:20 | 125.8 | ↑0.5 | |
| 5/18 05:30 | 126.1 | ↑0.3 | |
| 5/18 05:40 | 126.2 | ↑0.1 | 満潮 |
| 5/18 05:50 | 126.1 | ↓-0.1 | |
| 5/18 06:00 | 125.7 | ↓-0.4 | |
| 5/18 06:10 | 125.1 | ↓-0.6 | |
| 5/18 06:20 | 124.2 | ↓-0.9 | |
| 5/18 06:30 | 123.1 | ↓-1.1 | |
| 5/18 06:40 | 121.6 | ↓-1.5 | |
| 5/18 06:50 | 119.9 | ↓-1.7 | |
| 5/18 07:00 | 118.0 | ↓-1.9 | |
| 5/18 07:10 | 115.8 | ↓-2.2 | |
| 5/18 07:20 | 113.4 | ↓-2.4 | |
| 5/18 07:30 | 110.9 | ↓-2.5 | |
| 5/18 07:40 | 108.2 | ↓-2.7 | |
| 5/18 07:50 | 105.3 | ↓-2.9 | |
| 5/18 08:00 | 102.3 | ↓-3.0 | |
| 5/18 08:10 | 99.3 | ↓-3.0 | |
| 5/18 08:20 | 96.2 | ↓-3.1 | |
| 5/18 08:30 | 93.0 | ↓-3.2 | |
| 5/18 08:40 | 89.8 | ↓-3.2 | |
| 5/18 08:50 | 86.6 | ↓-3.2 | |
| 5/18 09:00 | 83.4 | ↓-3.2 | |
| 5/18 09:10 | 80.1 | ↓-3.3 | 最大潮位差 |
| 5/18 09:20 | 76.9 | ↓-3.2 | |
| 5/18 09:30 | 73.6 | ↓-3.3 | 最大潮位差 |
| 5/18 09:40 | 70.4 | ↓-3.2 | |
| 5/18 09:50 | 67.1 | ↓-3.3 | 最大潮位差 |
| 5/18 10:00 | 63.9 | ↓-3.2 | |
| 5/18 10:10 | 60.6 | ↓-3.3 | 最大潮位差 |
| 5/18 10:20 | 57.4 | ↓-3.2 | |
| 5/18 10:30 | 54.2 | ↓-3.2 | |
| 5/18 10:40 | 51.0 | ↓-3.2 | |
| 5/18 10:50 | 47.9 | ↓-3.1 | |
| 5/18 11:00 | 44.8 | ↓-3.1 | |
| 5/18 11:10 | 41.9 | ↓-2.9 | |
| 5/18 11:20 | 39.0 | ↓-2.9 | |
| 5/18 11:30 | 36.3 | ↓-2.7 | |
| 5/18 11:40 | 33.8 | ↓-2.5 | |
| 5/18 11:50 | 31.4 | ↓-2.4 | |
| 5/18 12:00 | 29.2 | ↓-2.2 | |
| 5/18 12:10 | 27.3 | ↓-1.9 | |
| 5/18 12:20 | 25.6 | ↓-1.7 | |
| 5/18 12:30 | 24.1 | ↓-1.5 | |
| 5/18 12:40 | 23.0 | ↓-1.1 | |
| 5/18 12:50 | 22.1 | ↓-0.9 | |
| 5/18 13:00 | 21.4 | ↓-0.7 | |
| 5/18 13:10 | 21.0 | ↓-0.4 | |
| 5/18 13:20 | 20.9 | ↓-0.1 | 干潮 |
| 5/18 13:30 | 21.0 | ↑0.1 | |
| 5/18 13:40 | 21.3 | ↑0.3 | |
| 5/18 13:50 | 21.8 | ↑0.5 | |
| 5/18 14:00 | 22.6 | ↑0.8 | |
| 5/18 14:10 | 23.5 | ↑0.9 | |
| 5/18 14:20 | 24.6 | ↑1.1 | |
| 5/18 14:30 | 25.9 | ↑1.3 | |
| 5/18 14:40 | 27.3 | ↑1.4 | |
| 5/18 14:50 | 28.9 | ↑1.6 | |
| 5/18 15:00 | 30.6 | ↑1.7 | |
| 5/18 15:10 | 32.4 | ↑1.8 | |
| 5/18 15:20 | 34.4 | ↑2.0 | |
| 5/18 15:30 | 36.5 | ↑2.1 | |
| 5/18 15:40 | 38.8 | ↑2.3 | |
| 5/18 15:50 | 41.2 | ↑2.4 | |
| 5/18 16:00 | 43.7 | ↑2.5 | |
| 5/18 16:10 | 46.4 | ↑2.7 | |
| 5/18 16:20 | 49.2 | ↑2.8 | |
| 5/18 16:30 | 52.1 | ↑2.9 | |
| 5/18 16:40 | 55.1 | ↑3.0 | |
| 5/18 16:50 | 58.2 | ↑3.1 | |
| 5/18 17:00 | 61.3 | ↑3.1 | |
| 5/18 17:10 | 64.5 | ↑3.2 | |
| 5/18 17:20 | 67.7 | ↑3.2 | |
| 5/18 17:30 | 70.9 | ↑3.2 | |
| 5/18 17:40 | 74.1 | ↑3.2 | |
| 5/18 17:50 | 77.2 | ↑3.1 | |
| 5/18 18:00 | 80.1 | ↑2.9 | |
| 5/18 18:10 | 83.0 | ↑2.9 | |
| 5/18 18:20 | 85.7 | ↑2.7 | |
| 5/18 18:30 | 88.2 | ↑2.5 | |
| 5/18 18:40 | 90.6 | ↑2.4 | |
| 5/18 18:50 | 92.8 | ↑2.2 | |
| 5/18 19:00 | 94.7 | ↑1.9 | |
| 5/18 19:10 | 96.5 | ↑1.8 | |
| 5/18 19:20 | 98.1 | ↑1.6 | |
| 5/18 19:30 | 99.4 | ↑1.3 | |
| 5/18 19:40 | 100.6 | ↑1.2 | |
| 5/18 19:50 | 101.7 | ↑1.1 | |
| 5/18 20:00 | 102.6 | ↑0.9 | |
| 5/18 20:10 | 103.3 | ↑0.7 | |
| 5/18 20:20 | 104.0 | ↑0.7 | |
| 5/18 20:30 | 104.5 | ↑0.5 | |
| 5/18 20:40 | 105.0 | ↑0.5 | |
| 5/18 20:50 | 105.3 | ↑0.3 | |
| 5/18 21:00 | 105.6 | ↑0.3 | |
| 5/18 21:10 | 105.9 | ↑0.3 | |
| 5/18 21:20 | 106.0 | ↑0.1 | |
| 5/18 21:30 | 106.1 | ↑0.1 | |
| 5/18 21:40 | 106.2 | ↑0.1 | 満潮 |
| 5/18 21:50 | 106.2 | 0 | |
| 5/18 22:00 | 106.1 | ↓-0.1 | |
| 5/18 22:10 | 105.9 | ↓-0.2 | |
| 5/18 22:20 | 105.6 | ↓-0.3 | |
| 5/18 22:30 | 105.3 | ↓-0.3 | |
| 5/18 22:40 | 104.9 | ↓-0.4 | |
| 5/18 22:50 | 104.5 | ↓-0.4 | |
| 5/18 23:00 | 103.9 | ↓-0.6 | |
| 5/18 23:10 | 103.4 | ↓-0.5 | |
| 5/18 23:20 | 102.8 | ↓-0.6 | |
| 5/18 23:30 | 102.1 | ↓-0.7 | |
| 5/18 23:40 | 101.5 | ↓-0.6 | |
| 5/18 23:50 | 100.9 | ↓-0.6 |