| 満潮 | 干潮 | 満潮 | 干潮 |
|
21
(土) |
04:24 | 11:42 | 19:15 | 23:32 |
| 146cm | 7cm | 117cm | 87cm | |
|
||||
苫小牧（北海道）2011年05月21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 |
|---|---|---|---|
| 5/21 00:00 | 92.3 | ↑1.2 | |
| 5/21 00:10 | 93.7 | ↑1.4 | |
| 5/21 00:20 | 95.2 | ↑1.5 | |
| 5/21 00:30 | 96.8 | ↑1.6 | |
| 5/21 00:40 | 98.5 | ↑1.7 | |
| 5/21 00:50 | 100.3 | ↑1.8 | |
| 5/21 01:00 | 102.3 | ↑2.0 | |
| 5/21 01:10 | 104.3 | ↑2.0 | |
| 5/21 01:20 | 106.6 | ↑2.3 | |
| 5/21 01:30 | 108.9 | ↑2.3 | |
| 5/21 01:40 | 111.4 | ↑2.5 | |
| 5/21 01:50 | 114.0 | ↑2.6 | |
| 5/21 02:00 | 116.7 | ↑2.7 | |
| 5/21 02:10 | 119.4 | ↑2.7 | |
| 5/21 02:20 | 122.3 | ↑2.9 | |
| 5/21 02:30 | 125.1 | ↑2.8 | |
| 5/21 02:40 | 127.9 | ↑2.8 | |
| 5/21 02:50 | 130.7 | ↑2.8 | |
| 5/21 03:00 | 133.3 | ↑2.6 | |
| 5/21 03:10 | 135.8 | ↑2.5 | |
| 5/21 03:20 | 138.1 | ↑2.3 | |
| 5/21 03:30 | 140.2 | ↑2.1 | |
| 5/21 03:40 | 141.9 | ↑1.7 | |
| 5/21 03:50 | 143.4 | ↑1.5 | |
| 5/21 04:00 | 144.5 | ↑1.1 | |
| 5/21 04:10 | 145.2 | ↑0.7 | |
| 5/21 04:20 | 145.5 | ↑0.3 | 満潮 |
| 5/21 04:30 | 145.4 | ↓-0.1 | |
| 5/21 04:40 | 144.9 | ↓-0.5 | |
| 5/21 04:50 | 144.0 | ↓-0.9 | |
| 5/21 05:00 | 142.7 | ↓-1.3 | |
| 5/21 05:10 | 141.1 | ↓-1.6 | |
| 5/21 05:20 | 139.2 | ↓-1.9 | |
| 5/21 05:30 | 136.9 | ↓-2.3 | |
| 5/21 05:40 | 134.4 | ↓-2.5 | |
| 5/21 05:50 | 131.7 | ↓-2.7 | |
| 5/21 06:00 | 128.7 | ↓-3.0 | |
| 5/21 06:10 | 125.5 | ↓-3.2 | |
| 5/21 06:20 | 122.1 | ↓-3.4 | |
| 5/21 06:30 | 118.6 | ↓-3.5 | |
| 5/21 06:40 | 114.9 | ↓-3.7 | |
| 5/21 06:50 | 111.1 | ↓-3.8 | |
| 5/21 07:00 | 107.2 | ↓-3.9 | |
| 5/21 07:10 | 103.1 | ↓-4.1 | |
| 5/21 07:20 | 98.8 | ↓-4.3 | |
| 5/21 07:30 | 94.4 | ↓-4.4 | |
| 5/21 07:40 | 89.9 | ↓-4.5 | |
| 5/21 07:50 | 85.3 | ↓-4.6 | |
| 5/21 08:00 | 80.6 | ↓-4.7 | |
| 5/21 08:10 | 75.7 | ↓-4.9 | |
| 5/21 08:20 | 70.8 | ↓-4.9 | |
| 5/21 08:30 | 65.8 | ↓-5.0 | 最大潮位差 |
| 5/21 08:40 | 60.8 | ↓-5.0 | 最大潮位差 |
| 5/21 08:50 | 55.8 | ↓-5.0 | 最大潮位差 |
| 5/21 09:00 | 50.9 | ↓-4.9 | |
| 5/21 09:10 | 46.0 | ↓-4.9 | |
| 5/21 09:20 | 41.3 | ↓-4.7 | |
| 5/21 09:30 | 36.8 | ↓-4.5 | |
| 5/21 09:40 | 32.5 | ↓-4.3 | |
| 5/21 09:50 | 28.4 | ↓-4.1 | |
| 5/21 10:00 | 24.7 | ↓-3.7 | |
| 5/21 10:10 | 21.3 | ↓-3.4 | |
| 5/21 10:20 | 18.2 | ↓-3.1 | |
| 5/21 10:30 | 15.5 | ↓-2.7 | |
| 5/21 10:40 | 13.2 | ↓-2.3 | |
| 5/21 10:50 | 11.2 | ↓-2.0 | |
| 5/21 11:00 | 9.7 | ↓-1.5 | |
| 5/21 11:10 | 8.5 | ↓-1.2 | |
| 5/21 11:20 | 7.6 | ↓-0.9 | |
| 5/21 11:30 | 7.1 | ↓-0.5 | |
| 5/21 11:40 | 7.0 | ↓-0.1 | 干潮 |
| 5/21 11:50 | 7.1 | ↑0.1 | |
| 5/21 12:00 | 7.5 | ↑0.4 | |
| 5/21 12:10 | 8.2 | ↑0.7 | |
| 5/21 12:20 | 9.1 | ↑0.9 | |
| 5/21 12:30 | 10.2 | ↑1.1 | |
| 5/21 12:40 | 11.6 | ↑1.4 | |
| 5/21 12:50 | 13.2 | ↑1.6 | |
| 5/21 13:00 | 15.1 | ↑1.9 | |
| 5/21 13:10 | 17.2 | ↑2.1 | |
| 5/21 13:20 | 19.5 | ↑2.3 | |
| 5/21 13:30 | 22.1 | ↑2.6 | |
| 5/21 13:40 | 24.9 | ↑2.8 | |
| 5/21 13:50 | 27.9 | ↑3.0 | |
| 5/21 14:00 | 31.2 | ↑3.3 | |
| 5/21 14:10 | 34.8 | ↑3.6 | |
| 5/21 14:20 | 38.5 | ↑3.7 | |
| 5/21 14:30 | 42.5 | ↑4.0 | |
| 5/21 14:40 | 46.6 | ↑4.1 | |
| 5/21 14:50 | 50.9 | ↑4.3 | |
| 5/21 15:00 | 55.3 | ↑4.4 | |
| 5/21 15:10 | 59.8 | ↑4.5 | |
| 5/21 15:20 | 64.3 | ↑4.5 | |
| 5/21 15:30 | 68.8 | ↑4.5 | |
| 5/21 15:40 | 73.2 | ↑4.4 | |
| 5/21 15:50 | 77.5 | ↑4.3 | |
| 5/21 16:00 | 81.7 | ↑4.2 | |
| 5/21 16:10 | 85.7 | ↑4.0 | |
| 5/21 16:20 | 89.5 | ↑3.8 | |
| 5/21 16:30 | 93.0 | ↑3.5 | |
| 5/21 16:40 | 96.2 | ↑3.2 | |
| 5/21 16:50 | 99.2 | ↑3.0 | |
| 5/21 17:00 | 101.9 | ↑2.7 | |
| 5/21 17:10 | 104.3 | ↑2.4 | |
| 5/21 17:20 | 106.4 | ↑2.1 | |
| 5/21 17:30 | 108.3 | ↑1.9 | |
| 5/21 17:40 | 110.0 | ↑1.7 | |
| 5/21 17:50 | 111.4 | ↑1.4 | |
| 5/21 18:00 | 112.6 | ↑1.2 | |
| 5/21 18:10 | 113.7 | ↑1.1 | |
| 5/21 18:20 | 114.5 | ↑0.8 | |
| 5/21 18:30 | 115.3 | ↑0.8 | |
| 5/21 18:40 | 115.8 | ↑0.5 | |
| 5/21 18:50 | 116.2 | ↑0.4 | |
| 5/21 19:00 | 116.5 | ↑0.3 | |
| 5/21 19:10 | 116.6 | ↑0.1 | 満潮 |
| 5/21 19:20 | 116.6 | 0 | |
| 5/21 19:30 | 116.4 | ↓-0.2 | |
| 5/21 19:40 | 116.1 | ↓-0.3 | |
| 5/21 19:50 | 115.5 | ↓-0.6 | |
| 5/21 20:00 | 114.8 | ↓-0.7 | |
| 5/21 20:10 | 113.9 | ↓-0.9 | |
| 5/21 20:20 | 112.8 | ↓-1.1 | |
| 5/21 20:30 | 111.5 | ↓-1.3 | |
| 5/21 20:40 | 110.1 | ↓-1.4 | |
| 5/21 20:50 | 108.4 | ↓-1.7 | |
| 5/21 21:00 | 106.7 | ↓-1.7 | |
| 5/21 21:10 | 104.8 | ↓-1.9 | |
| 5/21 21:20 | 102.9 | ↓-1.9 | |
| 5/21 21:30 | 100.9 | ↓-2.0 | |
| 5/21 21:40 | 98.9 | ↓-2.0 | |
| 5/21 21:50 | 96.9 | ↓-2.0 | |
| 5/21 22:00 | 95.1 | ↓-1.8 | |
| 5/21 22:10 | 93.3 | ↓-1.8 | |
| 5/21 22:20 | 91.7 | ↓-1.6 | |
| 5/21 22:30 | 90.2 | ↓-1.5 | |
| 5/21 22:40 | 89.0 | ↓-1.2 | |
| 5/21 22:50 | 87.9 | ↓-1.1 | |
| 5/21 23:00 | 87.1 | ↓-0.8 | |
| 5/21 23:10 | 86.6 | ↓-0.5 | |
| 5/21 23:20 | 86.2 | ↓-0.4 | |
| 5/21 23:30 | 86.1 | ↓-0.1 | 干潮 |
| 5/21 23:40 | 86.2 | ↑0.1 | |
| 5/21 23:50 | 86.5 | ↑0.3 |