| 満潮 | 干潮 | 満潮 | 干潮 |
|
18
(日) |
02:25 | 09:23 | 16:09 | 21:18 |
| 138cm | 4cm | 128cm | 74cm | |
|
||||
苫小牧（北海道）2053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 | 106.9 | ↑3.0 | |
| 5/18 00:10 | 110.1 | ↑3.2 | |
| 5/18 00:20 | 113.2 | ↑3.1 | |
| 5/18 00:30 | 116.3 | ↑3.1 | |
| 5/18 00:40 | 119.4 | ↑3.1 | |
| 5/18 00:50 | 122.3 | ↑2.9 | |
| 5/18 01:00 | 125.1 | ↑2.8 | |
| 5/18 01:10 | 127.8 | ↑2.7 | |
| 5/18 01:20 | 130.1 | ↑2.3 | |
| 5/18 01:30 | 132.3 | ↑2.2 | |
| 5/18 01:40 | 134.1 | ↑1.8 | |
| 5/18 01:50 | 135.6 | ↑1.5 | |
| 5/18 02:00 | 136.7 | ↑1.1 | |
| 5/18 02:10 | 137.4 | ↑0.7 | |
| 5/18 02:20 | 137.8 | ↑0.4 | 満潮 |
| 5/18 02:30 | 137.7 | ↓-0.1 | |
| 5/18 02:40 | 137.3 | ↓-0.4 | |
| 5/18 02:50 | 136.5 | ↓-0.8 | |
| 5/18 03:00 | 135.4 | ↓-1.1 | |
| 5/18 03:10 | 133.9 | ↓-1.5 | |
| 5/18 03:20 | 132.1 | ↓-1.8 | |
| 5/18 03:30 | 130.0 | ↓-2.1 | |
| 5/18 03:40 | 127.6 | ↓-2.4 | |
| 5/18 03:50 | 125.0 | ↓-2.6 | |
| 5/18 04:00 | 122.2 | ↓-2.8 | |
| 5/18 04:10 | 119.1 | ↓-3.1 | |
| 5/18 04:20 | 115.9 | ↓-3.2 | |
| 5/18 04:30 | 112.5 | ↓-3.4 | |
| 5/18 04:40 | 108.8 | ↓-3.7 | |
| 5/18 04:50 | 105.1 | ↓-3.7 | |
| 5/18 05:00 | 101.1 | ↓-4.0 | |
| 5/18 05:10 | 97.0 | ↓-4.1 | |
| 5/18 05:20 | 92.7 | ↓-4.3 | |
| 5/18 05:30 | 88.2 | ↓-4.5 | |
| 5/18 05:40 | 83.6 | ↓-4.6 | |
| 5/18 05:50 | 78.8 | ↓-4.8 | |
| 5/18 06:00 | 73.9 | ↓-4.9 | |
| 5/18 06:10 | 68.9 | ↓-5.0 | |
| 5/18 06:20 | 63.7 | ↓-5.2 | |
| 5/18 06:30 | 58.6 | ↓-5.1 | |
| 5/18 06:40 | 53.4 | ↓-5.2 | |
| 5/18 06:50 | 48.3 | ↓-5.1 | |
| 5/18 07:00 | 43.3 | ↓-5.0 | |
| 5/18 07:10 | 38.3 | ↓-5.0 | |
| 5/18 07:20 | 33.6 | ↓-4.7 | |
| 5/18 07:30 | 29.1 | ↓-4.5 | |
| 5/18 07:40 | 24.8 | ↓-4.3 | |
| 5/18 07:50 | 20.9 | ↓-3.9 | |
| 5/18 08:00 | 17.3 | ↓-3.6 | |
| 5/18 08:10 | 14.1 | ↓-3.2 | |
| 5/18 08:20 | 11.3 | ↓-2.8 | |
| 5/18 08:30 | 8.9 | ↓-2.4 | |
| 5/18 08:40 | 7.0 | ↓-1.9 | |
| 5/18 08:50 | 5.4 | ↓-1.6 | |
| 5/18 09:00 | 4.4 | ↓-1.0 | |
| 5/18 09:10 | 3.7 | ↓-0.7 | |
| 5/18 09:20 | 3.4 | ↓-0.3 | 干潮 |
| 5/18 09:30 | 3.5 | ↑0.1 | |
| 5/18 09:40 | 4.0 | ↑0.5 | |
| 5/18 09:50 | 4.8 | ↑0.8 | |
| 5/18 10:00 | 6.0 | ↑1.2 | |
| 5/18 10:10 | 7.5 | ↑1.5 | |
| 5/18 10:20 | 9.3 | ↑1.8 | |
| 5/18 10:30 | 11.3 | ↑2.0 | |
| 5/18 10:40 | 13.7 | ↑2.4 | |
| 5/18 10:50 | 16.3 | ↑2.6 | |
| 5/18 11:00 | 19.2 | ↑2.9 | |
| 5/18 11:10 | 22.4 | ↑3.2 | |
| 5/18 11:20 | 25.8 | ↑3.4 | |
| 5/18 11:30 | 29.6 | ↑3.8 | |
| 5/18 11:40 | 33.5 | ↑3.9 | |
| 5/18 11:50 | 37.8 | ↑4.3 | |
| 5/18 12:00 | 42.2 | ↑4.4 | |
| 5/18 12:10 | 46.9 | ↑4.7 | |
| 5/18 12:20 | 51.8 | ↑4.9 | |
| 5/18 12:30 | 56.8 | ↑5.0 | |
| 5/18 12:40 | 62.0 | ↑5.2 | |
| 5/18 12:50 | 67.2 | ↑5.2 | |
| 5/18 13:00 | 72.5 | ↑5.3 | 最大潮位差 |
| 5/18 13:10 | 77.8 | ↑5.3 | 最大潮位差 |
| 5/18 13:20 | 82.9 | ↑5.1 | |
| 5/18 13:30 | 88.0 | ↑5.1 | |
| 5/18 13:40 | 92.9 | ↑4.9 | |
| 5/18 13:50 | 97.6 | ↑4.7 | |
| 5/18 14:00 | 102.0 | ↑4.4 | |
| 5/18 14:10 | 106.1 | ↑4.1 | |
| 5/18 14:20 | 109.8 | ↑3.7 | |
| 5/18 14:30 | 113.3 | ↑3.5 | |
| 5/18 14:40 | 116.3 | ↑3.0 | |
| 5/18 14:50 | 118.9 | ↑2.6 | |
| 5/18 15:00 | 121.2 | ↑2.3 | |
| 5/18 15:10 | 123.1 | ↑1.9 | |
| 5/18 15:20 | 124.7 | ↑1.6 | |
| 5/18 15:30 | 125.9 | ↑1.2 | |
| 5/18 15:40 | 126.8 | ↑0.9 | |
| 5/18 15:50 | 127.4 | ↑0.6 | |
| 5/18 16:00 | 127.7 | ↑0.3 | 満潮 |
| 5/18 16:10 | 127.7 | 0 | |
| 5/18 16:20 | 127.6 | ↓-0.1 | |
| 5/18 16:30 | 127.2 | ↓-0.4 | |
| 5/18 16:40 | 126.6 | ↓-0.6 | |
| 5/18 16:50 | 125.8 | ↓-0.8 | |
| 5/18 17:00 | 124.8 | ↓-1.0 | |
| 5/18 17:10 | 123.6 | ↓-1.2 | |
| 5/18 17:20 | 122.2 | ↓-1.4 | |
| 5/18 17:30 | 120.7 | ↓-1.5 | |
| 5/18 17:40 | 118.9 | ↓-1.8 | |
| 5/18 17:50 | 117.0 | ↓-1.9 | |
| 5/18 18:00 | 114.9 | ↓-2.1 | |
| 5/18 18:10 | 112.6 | ↓-2.3 | |
| 5/18 18:20 | 110.1 | ↓-2.5 | |
| 5/18 18:30 | 107.5 | ↓-2.6 | |
| 5/18 18:40 | 104.7 | ↓-2.8 | |
| 5/18 18:50 | 101.9 | ↓-2.8 | |
| 5/18 19:00 | 99.0 | ↓-2.9 | |
| 5/18 19:10 | 96.1 | ↓-2.9 | |
| 5/18 19:20 | 93.1 | ↓-3.0 | |
| 5/18 19:30 | 90.3 | ↓-2.8 | |
| 5/18 19:40 | 87.6 | ↓-2.7 | |
| 5/18 19:50 | 85.0 | ↓-2.6 | |
| 5/18 20:00 | 82.6 | ↓-2.4 | |
| 5/18 20:10 | 80.4 | ↓-2.2 | |
| 5/18 20:20 | 78.5 | ↓-1.9 | |
| 5/18 20:30 | 76.9 | ↓-1.6 | |
| 5/18 20:40 | 75.6 | ↓-1.3 | |
| 5/18 20:50 | 74.6 | ↓-1.0 | |
| 5/18 21:00 | 73.9 | ↓-0.7 | |
| 5/18 21:10 | 73.6 | ↓-0.3 | 干潮 |
| 5/18 21:20 | 73.5 | ↓-0.1 | |
| 5/18 21:30 | 73.8 | ↑0.3 | |
| 5/18 21:40 | 74.3 | ↑0.5 | |
| 5/18 21:50 | 75.0 | ↑0.7 | |
| 5/18 22:00 | 76.0 | ↑1.0 | |
| 5/18 22:10 | 77.2 | ↑1.2 | |
| 5/18 22:20 | 78.6 | ↑1.4 | |
| 5/18 22:30 | 80.2 | ↑1.6 | |
| 5/18 22:40 | 81.9 | ↑1.7 | |
| 5/18 22:50 | 83.7 | ↑1.8 | |
| 5/18 23:00 | 85.7 | ↑2.0 | |
| 5/18 23:10 | 87.7 | ↑2.0 | |
| 5/18 23:20 | 89.9 | ↑2.2 | |
| 5/18 23:30 | 92.3 | ↑2.4 | |
| 5/18 23:40 | 94.7 | ↑2.4 | |
| 5/18 23:50 | 97.3 | ↑2.6 |