| 満潮 | 干潮 | 満潮 | 干潮 |
|
18
(月) |
05:10 | 12:25 | 19:39 | - |
| 130cm | 18cm | 112cm | - | |
|
||||
苫小牧（北海道）2048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 | 88.9 | ↑0.4 | |
| 5/18 00:10 | 89.5 | ↑0.6 | |
| 5/18 00:20 | 90.2 | ↑0.7 | |
| 5/18 00:30 | 91.1 | ↑0.9 | |
| 5/18 00:40 | 92.2 | ↑1.1 | |
| 5/18 00:50 | 93.3 | ↑1.1 | |
| 5/18 01:00 | 94.5 | ↑1.2 | |
| 5/18 01:10 | 95.7 | ↑1.2 | |
| 5/18 01:20 | 97.1 | ↑1.4 | |
| 5/18 01:30 | 98.4 | ↑1.3 | |
| 5/18 01:40 | 99.8 | ↑1.4 | |
| 5/18 01:50 | 101.3 | ↑1.5 | |
| 5/18 02:00 | 102.7 | ↑1.4 | |
| 5/18 02:10 | 104.2 | ↑1.5 | |
| 5/18 02:20 | 105.8 | ↑1.6 | |
| 5/18 02:30 | 107.4 | ↑1.6 | |
| 5/18 02:40 | 109.0 | ↑1.6 | |
| 5/18 02:50 | 110.7 | ↑1.7 | |
| 5/18 03:00 | 112.5 | ↑1.8 | |
| 5/18 03:10 | 114.2 | ↑1.7 | |
| 5/18 03:20 | 116.0 | ↑1.8 | |
| 5/18 03:30 | 117.8 | ↑1.8 | |
| 5/18 03:40 | 119.6 | ↑1.8 | |
| 5/18 03:50 | 121.3 | ↑1.7 | |
| 5/18 04:00 | 122.9 | ↑1.6 | |
| 5/18 04:10 | 124.4 | ↑1.5 | |
| 5/18 04:20 | 125.8 | ↑1.4 | |
| 5/18 04:30 | 127.0 | ↑1.2 | |
| 5/18 04:40 | 128.0 | ↑1.0 | |
| 5/18 04:50 | 128.7 | ↑0.7 | |
| 5/18 05:00 | 129.1 | ↑0.4 | 満潮 |
| 5/18 05:10 | 129.2 | ↑0.1 | 満潮 |
| 5/18 05:20 | 129.0 | ↓-0.2 | |
| 5/18 05:30 | 128.5 | ↓-0.5 | |
| 5/18 05:40 | 127.7 | ↓-0.8 | |
| 5/18 05:50 | 126.5 | ↓-1.2 | |
| 5/18 06:00 | 125.1 | ↓-1.4 | |
| 5/18 06:10 | 123.3 | ↓-1.8 | |
| 5/18 06:20 | 121.3 | ↓-2.0 | |
| 5/18 06:30 | 119.0 | ↓-2.3 | |
| 5/18 06:40 | 116.5 | ↓-2.5 | |
| 5/18 06:50 | 113.8 | ↓-2.7 | |
| 5/18 07:00 | 111.0 | ↓-2.8 | |
| 5/18 07:10 | 108.0 | ↓-3.0 | |
| 5/18 07:20 | 104.9 | ↓-3.1 | |
| 5/18 07:30 | 101.7 | ↓-3.2 | |
| 5/18 07:40 | 98.5 | ↓-3.2 | |
| 5/18 07:50 | 95.2 | ↓-3.3 | |
| 5/18 08:00 | 91.8 | ↓-3.4 | |
| 5/18 08:10 | 88.4 | ↓-3.4 | |
| 5/18 08:20 | 84.9 | ↓-3.5 | |
| 5/18 08:30 | 81.4 | ↓-3.5 | |
| 5/18 08:40 | 77.8 | ↓-3.6 | |
| 5/18 08:50 | 74.2 | ↓-3.6 | |
| 5/18 09:00 | 70.5 | ↓-3.7 | |
| 5/18 09:10 | 66.9 | ↓-3.6 | |
| 5/18 09:20 | 63.1 | ↓-3.8 | 最大潮位差 |
| 5/18 09:30 | 59.4 | ↓-3.7 | |
| 5/18 09:40 | 55.6 | ↓-3.8 | 最大潮位差 |
| 5/18 09:50 | 51.9 | ↓-3.7 | |
| 5/18 10:00 | 48.2 | ↓-3.7 | |
| 5/18 10:10 | 44.6 | ↓-3.6 | |
| 5/18 10:20 | 41.1 | ↓-3.5 | |
| 5/18 10:30 | 37.8 | ↓-3.3 | |
| 5/18 10:40 | 34.6 | ↓-3.2 | |
| 5/18 10:50 | 31.6 | ↓-3.0 | |
| 5/18 11:00 | 28.8 | ↓-2.8 | |
| 5/18 11:10 | 26.4 | ↓-2.4 | |
| 5/18 11:20 | 24.2 | ↓-2.2 | |
| 5/18 11:30 | 22.3 | ↓-1.9 | |
| 5/18 11:40 | 20.7 | ↓-1.6 | |
| 5/18 11:50 | 19.4 | ↓-1.3 | |
| 5/18 12:00 | 18.5 | ↓-0.9 | |
| 5/18 12:10 | 17.9 | ↓-0.6 | |
| 5/18 12:20 | 17.6 | ↓-0.3 | 干潮 |
| 5/18 12:30 | 17.7 | ↑0.1 | |
| 5/18 12:40 | 18.0 | ↑0.3 | |
| 5/18 12:50 | 18.5 | ↑0.5 | |
| 5/18 13:00 | 19.4 | ↑0.9 | |
| 5/18 13:10 | 20.4 | ↑1.0 | |
| 5/18 13:20 | 21.7 | ↑1.3 | |
| 5/18 13:30 | 23.1 | ↑1.4 | |
| 5/18 13:40 | 24.7 | ↑1.6 | |
| 5/18 13:50 | 26.6 | ↑1.9 | |
| 5/18 14:00 | 28.5 | ↑1.9 | |
| 5/18 14:10 | 30.7 | ↑2.2 | |
| 5/18 14:20 | 33.0 | ↑2.3 | |
| 5/18 14:30 | 35.5 | ↑2.5 | |
| 5/18 14:40 | 38.1 | ↑2.6 | |
| 5/18 14:50 | 40.9 | ↑2.8 | |
| 5/18 15:00 | 43.9 | ↑3.0 | |
| 5/18 15:10 | 47.0 | ↑3.1 | |
| 5/18 15:20 | 50.3 | ↑3.3 | |
| 5/18 15:30 | 53.7 | ↑3.4 | |
| 5/18 15:40 | 57.2 | ↑3.5 | |
| 5/18 15:50 | 60.9 | ↑3.7 | |
| 5/18 16:00 | 64.6 | ↑3.7 | |
| 5/18 16:10 | 68.4 | ↑3.8 | 最大潮位差 |
| 5/18 16:20 | 72.2 | ↑3.8 | 最大潮位差 |
| 5/18 16:30 | 76.0 | ↑3.8 | 最大潮位差 |
| 5/18 16:40 | 79.7 | ↑3.7 | |
| 5/18 16:50 | 83.3 | ↑3.6 | |
| 5/18 17:00 | 86.8 | ↑3.5 | |
| 5/18 17:10 | 90.2 | ↑3.4 | |
| 5/18 17:20 | 93.3 | ↑3.1 | |
| 5/18 17:30 | 96.2 | ↑2.9 | |
| 5/18 17:40 | 98.8 | ↑2.6 | |
| 5/18 17:50 | 101.2 | ↑2.4 | |
| 5/18 18:00 | 103.3 | ↑2.1 | |
| 5/18 18:10 | 105.1 | ↑1.8 | |
| 5/18 18:20 | 106.7 | ↑1.6 | |
| 5/18 18:30 | 108.0 | ↑1.3 | |
| 5/18 18:40 | 109.1 | ↑1.1 | |
| 5/18 18:50 | 109.9 | ↑0.8 | |
| 5/18 19:00 | 110.6 | ↑0.7 | |
| 5/18 19:10 | 111.0 | ↑0.4 | |
| 5/18 19:20 | 111.3 | ↑0.3 | |
| 5/18 19:30 | 111.5 | ↑0.2 | 満潮 |
| 5/18 19:40 | 111.5 | 0 | |
| 5/18 19:50 | 111.4 | ↓-0.1 | |
| 5/18 20:00 | 111.2 | ↓-0.2 | |
| 5/18 20:10 | 111.0 | ↓-0.2 | |
| 5/18 20:20 | 110.6 | ↓-0.4 | |
| 5/18 20:30 | 110.2 | ↓-0.4 | |
| 5/18 20:40 | 109.7 | ↓-0.5 | |
| 5/18 20:50 | 109.0 | ↓-0.7 | |
| 5/18 21:00 | 108.3 | ↓-0.7 | |
| 5/18 21:10 | 107.5 | ↓-0.8 | |
| 5/18 21:20 | 106.6 | ↓-0.9 | |
| 5/18 21:30 | 105.6 | ↓-1.0 | |
| 5/18 21:40 | 104.5 | ↓-1.1 | |
| 5/18 21:50 | 103.3 | ↓-1.2 | |
| 5/18 22:00 | 102.0 | ↓-1.3 | |
| 5/18 22:10 | 100.7 | ↓-1.3 | |
| 5/18 22:20 | 99.3 | ↓-1.4 | |
| 5/18 22:30 | 97.9 | ↓-1.4 | |
| 5/18 22:40 | 96.5 | ↓-1.4 | |
| 5/18 22:50 | 95.2 | ↓-1.3 | |
| 5/18 23:00 | 93.9 | ↓-1.3 | |
| 5/18 23:10 | 92.7 | ↓-1.2 | |
| 5/18 23:20 | 91.7 | ↓-1.0 | |
| 5/18 23:30 | 90.7 | ↓-1.0 | |
| 5/18 23:40 | 90.0 | ↓-0.7 | |
| 5/18 23:50 | 89.4 | ↓-0.6 |