| 満潮 | 干潮 | 満潮 | 干潮 |
|
18
(水) |
02:22 | 09:41 | 17:03 | 21:28 |
| 147cm | -5cm | 127cm | 87cm | |
|
||||
苫小牧（北海道）2011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 | 117.0 | ↑2.9 | |
| 5/18 00:10 | 120.0 | ↑3.0 | |
| 5/18 00:20 | 123.0 | ↑3.0 | |
| 5/18 00:30 | 126.0 | ↑3.0 | |
| 5/18 00:40 | 128.9 | ↑2.9 | |
| 5/18 00:50 | 131.7 | ↑2.8 | |
| 5/18 01:00 | 134.4 | ↑2.7 | |
| 5/18 01:10 | 136.9 | ↑2.5 | |
| 5/18 01:20 | 139.2 | ↑2.3 | |
| 5/18 01:30 | 141.2 | ↑2.0 | |
| 5/18 01:40 | 142.9 | ↑1.7 | |
| 5/18 01:50 | 144.3 | ↑1.4 | |
| 5/18 02:00 | 145.3 | ↑1.0 | |
| 5/18 02:10 | 145.9 | ↑0.6 | |
| 5/18 02:20 | 146.2 | ↑0.3 | 満潮 |
| 5/18 02:30 | 146.0 | ↓-0.2 | |
| 5/18 02:40 | 145.4 | ↓-0.6 | |
| 5/18 02:50 | 144.5 | ↓-0.9 | |
| 5/18 03:00 | 143.2 | ↓-1.3 | |
| 5/18 03:10 | 141.5 | ↓-1.7 | |
| 5/18 03:20 | 139.5 | ↓-2.0 | |
| 5/18 03:30 | 137.2 | ↓-2.3 | |
| 5/18 03:40 | 134.6 | ↓-2.6 | |
| 5/18 03:50 | 131.7 | ↓-2.9 | |
| 5/18 04:00 | 128.6 | ↓-3.1 | |
| 5/18 04:10 | 125.2 | ↓-3.4 | |
| 5/18 04:20 | 121.7 | ↓-3.5 | |
| 5/18 04:30 | 117.9 | ↓-3.8 | |
| 5/18 04:40 | 113.9 | ↓-4.0 | |
| 5/18 04:50 | 109.8 | ↓-4.1 | |
| 5/18 05:00 | 105.5 | ↓-4.3 | |
| 5/18 05:10 | 100.9 | ↓-4.6 | |
| 5/18 05:20 | 96.3 | ↓-4.6 | |
| 5/18 05:30 | 91.4 | ↓-4.9 | |
| 5/18 05:40 | 86.4 | ↓-5.0 | |
| 5/18 05:50 | 81.2 | ↓-5.2 | |
| 5/18 06:00 | 76.0 | ↓-5.2 | |
| 5/18 06:10 | 70.6 | ↓-5.4 | |
| 5/18 06:20 | 65.1 | ↓-5.5 | |
| 5/18 06:30 | 59.5 | ↓-5.6 | 最大潮位差 |
| 5/18 06:40 | 54.0 | ↓-5.5 | |
| 5/18 06:50 | 48.5 | ↓-5.5 | |
| 5/18 07:00 | 43.0 | ↓-5.5 | |
| 5/18 07:10 | 37.7 | ↓-5.3 | |
| 5/18 07:20 | 32.5 | ↓-5.2 | |
| 5/18 07:30 | 27.5 | ↓-5.0 | |
| 5/18 07:40 | 22.8 | ↓-4.7 | |
| 5/18 07:50 | 18.4 | ↓-4.4 | |
| 5/18 08:00 | 14.3 | ↓-4.1 | |
| 5/18 08:10 | 10.5 | ↓-3.8 | |
| 5/18 08:20 | 7.2 | ↓-3.3 | |
| 5/18 08:30 | 4.2 | ↓-3.0 | |
| 5/18 08:40 | 1.7 | ↓-2.5 | |
| 5/18 08:50 | -0.5 | ↓-2.2 | |
| 5/18 09:00 | -2.2 | ↓-1.7 | |
| 5/18 09:10 | -3.5 | ↓-1.3 | |
| 5/18 09:20 | -4.4 | ↓-0.9 | |
| 5/18 09:30 | -5.0 | ↓-0.6 | |
| 5/18 09:40 | -5.2 | ↓-0.2 | 干潮 |
| 5/18 09:50 | -5.0 | ↑0.2 | |
| 5/18 10:00 | -4.5 | ↑0.5 | |
| 5/18 10:10 | -3.6 | ↑0.9 | |
| 5/18 10:20 | -2.5 | ↑1.1 | |
| 5/18 10:30 | -1.0 | ↑1.5 | |
| 5/18 10:40 | 0.7 | ↑1.7 | |
| 5/18 10:50 | 2.8 | ↑2.1 | |
| 5/18 11:00 | 5.1 | ↑2.3 | |
| 5/18 11:10 | 7.7 | ↑2.6 | |
| 5/18 11:20 | 10.6 | ↑2.9 | |
| 5/18 11:30 | 13.9 | ↑3.3 | |
| 5/18 11:40 | 17.4 | ↑3.5 | |
| 5/18 11:50 | 21.2 | ↑3.8 | |
| 5/18 12:00 | 25.3 | ↑4.1 | |
| 5/18 12:10 | 29.6 | ↑4.3 | |
| 5/18 12:20 | 34.2 | ↑4.6 | |
| 5/18 12:30 | 39.0 | ↑4.8 | |
| 5/18 12:40 | 44.0 | ↑5.0 | |
| 5/18 12:50 | 49.1 | ↑5.1 | |
| 5/18 13:00 | 54.4 | ↑5.3 | |
| 5/18 13:10 | 59.7 | ↑5.3 | |
| 5/18 13:20 | 65.0 | ↑5.3 | |
| 5/18 13:30 | 70.2 | ↑5.2 | |
| 5/18 13:40 | 75.4 | ↑5.2 | |
| 5/18 13:50 | 80.5 | ↑5.1 | |
| 5/18 14:00 | 85.3 | ↑4.8 | |
| 5/18 14:10 | 90.0 | ↑4.7 | |
| 5/18 14:20 | 94.4 | ↑4.4 | |
| 5/18 14:30 | 98.5 | ↑4.1 | |
| 5/18 14:40 | 102.3 | ↑3.8 | |
| 5/18 14:50 | 105.8 | ↑3.5 | |
| 5/18 15:00 | 109.0 | ↑3.2 | |
| 5/18 15:10 | 111.9 | ↑2.9 | |
| 5/18 15:20 | 114.5 | ↑2.6 | |
| 5/18 15:30 | 116.8 | ↑2.3 | |
| 5/18 15:40 | 118.8 | ↑2.0 | |
| 5/18 15:50 | 120.5 | ↑1.7 | |
| 5/18 16:00 | 122.0 | ↑1.5 | |
| 5/18 16:10 | 123.2 | ↑1.2 | |
| 5/18 16:20 | 124.2 | ↑1.0 | |
| 5/18 16:30 | 125.0 | ↑0.8 | |
| 5/18 16:40 | 125.6 | ↑0.6 | |
| 5/18 16:50 | 125.9 | ↑0.3 | |
| 5/18 17:00 | 126.1 | ↑0.2 | 満潮 |
| 5/18 17:10 | 126.0 | ↓-0.1 | |
| 5/18 17:20 | 125.7 | ↓-0.3 | |
| 5/18 17:30 | 125.2 | ↓-0.5 | |
| 5/18 17:40 | 124.5 | ↓-0.7 | |
| 5/18 17:50 | 123.5 | ↓-1.0 | |
| 5/18 18:00 | 122.3 | ↓-1.2 | |
| 5/18 18:10 | 120.9 | ↓-1.4 | |
| 5/18 18:20 | 119.3 | ↓-1.6 | |
| 5/18 18:30 | 117.4 | ↓-1.9 | |
| 5/18 18:40 | 115.4 | ↓-2.0 | |
| 5/18 18:50 | 113.2 | ↓-2.2 | |
| 5/18 19:00 | 110.9 | ↓-2.3 | |
| 5/18 19:10 | 108.5 | ↓-2.4 | |
| 5/18 19:20 | 106.0 | ↓-2.5 | |
| 5/18 19:30 | 103.6 | ↓-2.4 | |
| 5/18 19:40 | 101.1 | ↓-2.5 | |
| 5/18 19:50 | 98.8 | ↓-2.3 | |
| 5/18 20:00 | 96.5 | ↓-2.3 | |
| 5/18 20:10 | 94.5 | ↓-2.0 | |
| 5/18 20:20 | 92.6 | ↓-1.9 | |
| 5/18 20:30 | 90.9 | ↓-1.7 | |
| 5/18 20:40 | 89.5 | ↓-1.4 | |
| 5/18 20:50 | 88.4 | ↓-1.1 | |
| 5/18 21:00 | 87.5 | ↓-0.9 | |
| 5/18 21:10 | 86.9 | ↓-0.6 | |
| 5/18 21:20 | 86.6 | ↓-0.3 | 干潮 |
| 5/18 21:30 | 86.5 | ↓-0.1 | |
| 5/18 21:40 | 86.7 | ↑0.2 | |
| 5/18 21:50 | 87.2 | ↑0.5 | |
| 5/18 22:00 | 87.8 | ↑0.6 | |
| 5/18 22:10 | 88.7 | ↑0.9 | |
| 5/18 22:20 | 89.7 | ↑1.0 | |
| 5/18 22:30 | 90.9 | ↑1.2 | |
| 5/18 22:40 | 92.3 | ↑1.4 | |
| 5/18 22:50 | 93.8 | ↑1.5 | |
| 5/18 23:00 | 95.4 | ↑1.6 | |
| 5/18 23:10 | 97.2 | ↑1.8 | |
| 5/18 23:20 | 99.1 | ↑1.9 | |
| 5/18 23:30 | 101.2 | ↑2.1 | |
| 5/18 23:40 | 103.4 | ↑2.2 | |
| 5/18 23:50 | 105.8 | ↑2.4 |