| 満潮 | 干潮 | 満潮 | 干潮 |
|
18
(日) |
00:23 | 07:26 | 14:08 | 19:01 |
| 124cm | 33cm | 111cm | 77cm | |
|
||||
苫小牧（北海道）2031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 | 123.0 | ↑0.6 | |
| 5/18 00:10 | 123.3 | ↑0.3 | |
| 5/18 00:20 | 123.5 | ↑0.2 | 満潮 |
| 5/18 00:30 | 123.4 | ↓-0.1 | |
| 5/18 00:40 | 123.1 | ↓-0.3 | |
| 5/18 00:50 | 122.6 | ↓-0.5 | |
| 5/18 01:00 | 122.0 | ↓-0.6 | |
| 5/18 01:10 | 121.1 | ↓-0.9 | |
| 5/18 01:20 | 120.0 | ↓-1.1 | |
| 5/18 01:30 | 118.7 | ↓-1.3 | |
| 5/18 01:40 | 117.3 | ↓-1.4 | |
| 5/18 01:50 | 115.6 | ↓-1.7 | |
| 5/18 02:00 | 113.7 | ↓-1.9 | |
| 5/18 02:10 | 111.7 | ↓-2.0 | |
| 5/18 02:20 | 109.5 | ↓-2.2 | |
| 5/18 02:30 | 107.1 | ↓-2.4 | |
| 5/18 02:40 | 104.5 | ↓-2.6 | |
| 5/18 02:50 | 101.8 | ↓-2.7 | |
| 5/18 03:00 | 98.9 | ↓-2.9 | |
| 5/18 03:10 | 95.9 | ↓-3.0 | |
| 5/18 03:20 | 92.7 | ↓-3.2 | |
| 5/18 03:30 | 89.4 | ↓-3.3 | |
| 5/18 03:40 | 86.0 | ↓-3.4 | |
| 5/18 03:50 | 82.6 | ↓-3.4 | |
| 5/18 04:00 | 79.1 | ↓-3.5 | |
| 5/18 04:10 | 75.5 | ↓-3.6 | 最大潮位差 |
| 5/18 04:20 | 72.0 | ↓-3.5 | |
| 5/18 04:30 | 68.4 | ↓-3.6 | 最大潮位差 |
| 5/18 04:40 | 64.9 | ↓-3.5 | |
| 5/18 04:50 | 61.5 | ↓-3.4 | |
| 5/18 05:00 | 58.2 | ↓-3.3 | |
| 5/18 05:10 | 55.0 | ↓-3.2 | |
| 5/18 05:20 | 52.0 | ↓-3.0 | |
| 5/18 05:30 | 49.1 | ↓-2.9 | |
| 5/18 05:40 | 46.5 | ↓-2.6 | |
| 5/18 05:50 | 44.0 | ↓-2.5 | |
| 5/18 06:00 | 41.8 | ↓-2.2 | |
| 5/18 06:10 | 39.8 | ↓-2.0 | |
| 5/18 06:20 | 38.0 | ↓-1.8 | |
| 5/18 06:30 | 36.5 | ↓-1.5 | |
| 5/18 06:40 | 35.2 | ↓-1.3 | |
| 5/18 06:50 | 34.2 | ↓-1.0 | |
| 5/18 07:00 | 33.5 | ↓-0.7 | |
| 5/18 07:10 | 33.0 | ↓-0.5 | |
| 5/18 07:20 | 32.7 | ↓-0.3 | 干潮 |
| 5/18 07:30 | 32.8 | ↑0.1 | |
| 5/18 07:40 | 33.0 | ↑0.2 | |
| 5/18 07:50 | 33.5 | ↑0.5 | |
| 5/18 08:00 | 34.3 | ↑0.8 | |
| 5/18 08:10 | 35.3 | ↑1.0 | |
| 5/18 08:20 | 36.5 | ↑1.2 | |
| 5/18 08:30 | 37.9 | ↑1.4 | |
| 5/18 08:40 | 39.6 | ↑1.7 | |
| 5/18 08:50 | 41.5 | ↑1.9 | |
| 5/18 09:00 | 43.5 | ↑2.0 | |
| 5/18 09:10 | 45.8 | ↑2.3 | |
| 5/18 09:20 | 48.3 | ↑2.5 | |
| 5/18 09:30 | 50.9 | ↑2.6 | |
| 5/18 09:40 | 53.7 | ↑2.8 | |
| 5/18 09:50 | 56.6 | ↑2.9 | |
| 5/18 10:00 | 59.7 | ↑3.1 | |
| 5/18 10:10 | 62.8 | ↑3.1 | |
| 5/18 10:20 | 66.0 | ↑3.2 | |
| 5/18 10:30 | 69.2 | ↑3.2 | |
| 5/18 10:40 | 72.4 | ↑3.2 | |
| 5/18 10:50 | 75.6 | ↑3.2 | |
| 5/18 11:00 | 78.8 | ↑3.2 | |
| 5/18 11:10 | 81.9 | ↑3.1 | |
| 5/18 11:20 | 84.9 | ↑3.0 | |
| 5/18 11:30 | 87.8 | ↑2.9 | |
| 5/18 11:40 | 90.6 | ↑2.8 | |
| 5/18 11:50 | 93.2 | ↑2.6 | |
| 5/18 12:00 | 95.6 | ↑2.4 | |
| 5/18 12:10 | 97.9 | ↑2.3 | |
| 5/18 12:20 | 100.0 | ↑2.1 | |
| 5/18 12:30 | 101.9 | ↑1.9 | |
| 5/18 12:40 | 103.6 | ↑1.7 | |
| 5/18 12:50 | 105.1 | ↑1.5 | |
| 5/18 13:00 | 106.4 | ↑1.3 | |
| 5/18 13:10 | 107.5 | ↑1.1 | |
| 5/18 13:20 | 108.5 | ↑1.0 | |
| 5/18 13:30 | 109.2 | ↑0.7 | |
| 5/18 13:40 | 109.8 | ↑0.6 | |
| 5/18 13:50 | 110.2 | ↑0.4 | |
| 5/18 14:00 | 110.4 | ↑0.2 | 満潮 |
| 5/18 14:10 | 110.4 | 0 | |
| 5/18 14:20 | 110.3 | ↓-0.1 | |
| 5/18 14:30 | 110.0 | ↓-0.3 | |
| 5/18 14:40 | 109.5 | ↓-0.5 | |
| 5/18 14:50 | 108.8 | ↓-0.7 | |
| 5/18 15:00 | 108.0 | ↓-0.8 | |
| 5/18 15:10 | 107.0 | ↓-1.0 | |
| 5/18 15:20 | 105.9 | ↓-1.1 | |
| 5/18 15:30 | 104.6 | ↓-1.3 | |
| 5/18 15:40 | 103.2 | ↓-1.4 | |
| 5/18 15:50 | 101.6 | ↓-1.6 | |
| 5/18 16:00 | 100.0 | ↓-1.6 | |
| 5/18 16:10 | 98.2 | ↓-1.8 | |
| 5/18 16:20 | 96.4 | ↓-1.8 | |
| 5/18 16:30 | 94.5 | ↓-1.9 | |
| 5/18 16:40 | 92.6 | ↓-1.9 | |
| 5/18 16:50 | 90.7 | ↓-1.9 | |
| 5/18 17:00 | 88.9 | ↓-1.8 | |
| 5/18 17:10 | 87.0 | ↓-1.9 | |
| 5/18 17:20 | 85.3 | ↓-1.7 | |
| 5/18 17:30 | 83.7 | ↓-1.6 | |
| 5/18 17:40 | 82.2 | ↓-1.5 | |
| 5/18 17:50 | 80.8 | ↓-1.4 | |
| 5/18 18:00 | 79.7 | ↓-1.1 | |
| 5/18 18:10 | 78.6 | ↓-1.1 | |
| 5/18 18:20 | 77.8 | ↓-0.8 | |
| 5/18 18:30 | 77.1 | ↓-0.7 | |
| 5/18 18:40 | 76.7 | ↓-0.4 | |
| 5/18 18:50 | 76.4 | ↓-0.3 | |
| 5/18 19:00 | 76.3 | ↓-0.1 | 干潮 |
| 5/18 19:10 | 76.4 | ↑0.1 | |
| 5/18 19:20 | 76.6 | ↑0.2 | |
| 5/18 19:30 | 77.1 | ↑0.5 | |
| 5/18 19:40 | 77.7 | ↑0.6 | |
| 5/18 19:50 | 78.4 | ↑0.7 | |
| 5/18 20:00 | 79.3 | ↑0.9 | |
| 5/18 20:10 | 80.4 | ↑1.1 | |
| 5/18 20:20 | 81.6 | ↑1.2 | |
| 5/18 20:30 | 82.9 | ↑1.3 | |
| 5/18 20:40 | 84.3 | ↑1.4 | |
| 5/18 20:50 | 85.9 | ↑1.6 | |
| 5/18 21:00 | 87.6 | ↑1.7 | |
| 5/18 21:10 | 89.5 | ↑1.9 | |
| 5/18 21:20 | 91.4 | ↑1.9 | |
| 5/18 21:30 | 93.5 | ↑2.1 | |
| 5/18 21:40 | 95.6 | ↑2.1 | |
| 5/18 21:50 | 97.8 | ↑2.2 | |
| 5/18 22:00 | 100.1 | ↑2.3 | |
| 5/18 22:10 | 102.5 | ↑2.4 | |
| 5/18 22:20 | 104.9 | ↑2.4 | |
| 5/18 22:30 | 107.3 | ↑2.4 | |
| 5/18 22:40 | 109.7 | ↑2.4 | |
| 5/18 22:50 | 112.1 | ↑2.4 | |
| 5/18 23:00 | 114.5 | ↑2.4 | |
| 5/18 23:10 | 116.7 | ↑2.2 | |
| 5/18 23:20 | 118.8 | ↑2.1 | |
| 5/18 23:30 | 120.8 | ↑2.0 | |
| 5/18 23:40 | 122.6 | ↑1.8 | |
| 5/18 23:50 | 124.3 | ↑1.7 |