| 満潮 | 干潮 | 満潮 | 干潮 |
|
21
(金) |
02:22 | 09:46 | 17:12 | 21:27 |
| 144cm | 2cm | 124cm | 91cm | |
|
||||
苫小牧（北海道）2027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 | 117.4 | ↑2.6 | |
| 5/21 00:10 | 120.1 | ↑2.7 | |
| 5/21 00:20 | 122.9 | ↑2.8 | |
| 5/21 00:30 | 125.6 | ↑2.7 | |
| 5/21 00:40 | 128.2 | ↑2.6 | |
| 5/21 00:50 | 130.8 | ↑2.6 | |
| 5/21 01:00 | 133.2 | ↑2.4 | |
| 5/21 01:10 | 135.5 | ↑2.3 | |
| 5/21 01:20 | 137.6 | ↑2.1 | |
| 5/21 01:30 | 139.4 | ↑1.8 | |
| 5/21 01:40 | 141.0 | ↑1.6 | |
| 5/21 01:50 | 142.2 | ↑1.2 | |
| 5/21 02:00 | 143.1 | ↑0.9 | |
| 5/21 02:10 | 143.7 | ↑0.6 | |
| 5/21 02:20 | 143.9 | ↑0.2 | 満潮 |
| 5/21 02:30 | 143.8 | ↓-0.1 | |
| 5/21 02:40 | 143.2 | ↓-0.6 | |
| 5/21 02:50 | 142.4 | ↓-0.8 | |
| 5/21 03:00 | 141.2 | ↓-1.2 | |
| 5/21 03:10 | 139.6 | ↓-1.6 | |
| 5/21 03:20 | 137.8 | ↓-1.8 | |
| 5/21 03:30 | 135.6 | ↓-2.2 | |
| 5/21 03:40 | 133.3 | ↓-2.3 | |
| 5/21 03:50 | 130.6 | ↓-2.7 | |
| 5/21 04:00 | 127.7 | ↓-2.9 | |
| 5/21 04:10 | 124.7 | ↓-3.0 | |
| 5/21 04:20 | 121.4 | ↓-3.3 | |
| 5/21 04:30 | 117.9 | ↓-3.5 | |
| 5/21 04:40 | 114.2 | ↓-3.7 | |
| 5/21 04:50 | 110.4 | ↓-3.8 | |
| 5/21 05:00 | 106.4 | ↓-4.0 | |
| 5/21 05:10 | 102.2 | ↓-4.2 | |
| 5/21 05:20 | 97.9 | ↓-4.3 | |
| 5/21 05:30 | 93.4 | ↓-4.5 | |
| 5/21 05:40 | 88.7 | ↓-4.7 | |
| 5/21 05:50 | 83.9 | ↓-4.8 | |
| 5/21 06:00 | 79.0 | ↓-4.9 | |
| 5/21 06:10 | 73.9 | ↓-5.1 | |
| 5/21 06:20 | 68.8 | ↓-5.1 | |
| 5/21 06:30 | 63.6 | ↓-5.2 | 最大潮位差 |
| 5/21 06:40 | 58.4 | ↓-5.2 | 最大潮位差 |
| 5/21 06:50 | 53.2 | ↓-5.2 | 最大潮位差 |
| 5/21 07:00 | 48.1 | ↓-5.1 | |
| 5/21 07:10 | 43.1 | ↓-5.0 | |
| 5/21 07:20 | 38.2 | ↓-4.9 | |
| 5/21 07:30 | 33.5 | ↓-4.7 | |
| 5/21 07:40 | 29.0 | ↓-4.5 | |
| 5/21 07:50 | 24.8 | ↓-4.2 | |
| 5/21 08:00 | 20.9 | ↓-3.9 | |
| 5/21 08:10 | 17.3 | ↓-3.6 | |
| 5/21 08:20 | 14.1 | ↓-3.2 | |
| 5/21 08:30 | 11.2 | ↓-2.9 | |
| 5/21 08:40 | 8.7 | ↓-2.5 | |
| 5/21 08:50 | 6.6 | ↓-2.1 | |
| 5/21 09:00 | 4.9 | ↓-1.7 | |
| 5/21 09:10 | 3.5 | ↓-1.4 | |
| 5/21 09:20 | 2.5 | ↓-1.0 | |
| 5/21 09:30 | 1.8 | ↓-0.7 | |
| 5/21 09:40 | 1.5 | ↓-0.3 | 干潮 |
| 5/21 09:50 | 1.5 | 0 | |
| 5/21 10:00 | 1.8 | ↑0.3 | |
| 5/21 10:10 | 2.5 | ↑0.7 | |
| 5/21 10:20 | 3.4 | ↑0.9 | |
| 5/21 10:30 | 4.6 | ↑1.2 | |
| 5/21 10:40 | 6.0 | ↑1.4 | |
| 5/21 10:50 | 7.8 | ↑1.8 | |
| 5/21 11:00 | 9.8 | ↑2.0 | |
| 5/21 11:10 | 12.1 | ↑2.3 | |
| 5/21 11:20 | 14.7 | ↑2.6 | |
| 5/21 11:30 | 17.6 | ↑2.9 | |
| 5/21 11:40 | 20.7 | ↑3.1 | |
| 5/21 11:50 | 24.2 | ↑3.5 | |
| 5/21 12:00 | 27.9 | ↑3.7 | |
| 5/21 12:10 | 31.8 | ↑3.9 | |
| 5/21 12:20 | 36.0 | ↑4.2 | |
| 5/21 12:30 | 40.4 | ↑4.4 | |
| 5/21 12:40 | 45.0 | ↑4.6 | |
| 5/21 12:50 | 49.7 | ↑4.7 | |
| 5/21 13:00 | 54.5 | ↑4.8 | |
| 5/21 13:10 | 59.4 | ↑4.9 | |
| 5/21 13:20 | 64.4 | ↑5.0 | |
| 5/21 13:30 | 69.2 | ↑4.8 | |
| 5/21 13:40 | 74.0 | ↑4.8 | |
| 5/21 13:50 | 78.7 | ↑4.7 | |
| 5/21 14:00 | 83.3 | ↑4.6 | |
| 5/21 14:10 | 87.6 | ↑4.3 | |
| 5/21 14:20 | 91.8 | ↑4.2 | |
| 5/21 14:30 | 95.6 | ↑3.8 | |
| 5/21 14:40 | 99.2 | ↑3.6 | |
| 5/21 14:50 | 102.6 | ↑3.4 | |
| 5/21 15:00 | 105.6 | ↑3.0 | |
| 5/21 15:10 | 108.4 | ↑2.8 | |
| 5/21 15:20 | 110.9 | ↑2.5 | |
| 5/21 15:30 | 113.2 | ↑2.3 | |
| 5/21 15:40 | 115.2 | ↑2.0 | |
| 5/21 15:50 | 116.9 | ↑1.7 | |
| 5/21 16:00 | 118.4 | ↑1.5 | |
| 5/21 16:10 | 119.7 | ↑1.3 | |
| 5/21 16:20 | 120.8 | ↑1.1 | |
| 5/21 16:30 | 121.7 | ↑0.9 | |
| 5/21 16:40 | 122.4 | ↑0.7 | |
| 5/21 16:50 | 122.9 | ↑0.5 | |
| 5/21 17:00 | 123.2 | ↑0.3 | |
| 5/21 17:10 | 123.4 | ↑0.2 | 満潮 |
| 5/21 17:20 | 123.3 | ↓-0.1 | |
| 5/21 17:30 | 123.0 | ↓-0.3 | |
| 5/21 17:40 | 122.5 | ↓-0.5 | |
| 5/21 17:50 | 121.8 | ↓-0.7 | |
| 5/21 18:00 | 120.8 | ↓-1.0 | |
| 5/21 18:10 | 119.7 | ↓-1.1 | |
| 5/21 18:20 | 118.3 | ↓-1.4 | |
| 5/21 18:30 | 116.8 | ↓-1.5 | |
| 5/21 18:40 | 115.0 | ↓-1.8 | |
| 5/21 18:50 | 113.2 | ↓-1.8 | |
| 5/21 19:00 | 111.2 | ↓-2.0 | |
| 5/21 19:10 | 109.1 | ↓-2.1 | |
| 5/21 19:20 | 106.9 | ↓-2.2 | |
| 5/21 19:30 | 104.8 | ↓-2.1 | |
| 5/21 19:40 | 102.7 | ↓-2.1 | |
| 5/21 19:50 | 100.6 | ↓-2.1 | |
| 5/21 20:00 | 98.7 | ↓-1.9 | |
| 5/21 20:10 | 96.9 | ↓-1.8 | |
| 5/21 20:20 | 95.2 | ↓-1.7 | |
| 5/21 20:30 | 93.8 | ↓-1.4 | |
| 5/21 20:40 | 92.6 | ↓-1.2 | |
| 5/21 20:50 | 91.6 | ↓-1.0 | |
| 5/21 21:00 | 90.9 | ↓-0.7 | |
| 5/21 21:10 | 90.4 | ↓-0.5 | |
| 5/21 21:20 | 90.1 | ↓-0.3 | 干潮 |
| 5/21 21:30 | 90.1 | 0 | |
| 5/21 21:40 | 90.3 | ↑0.2 | |
| 5/21 21:50 | 90.7 | ↑0.4 | |
| 5/21 22:00 | 91.3 | ↑0.6 | |
| 5/21 22:10 | 92.1 | ↑0.8 | |
| 5/21 22:20 | 93.0 | ↑0.9 | |
| 5/21 22:30 | 94.1 | ↑1.1 | |
| 5/21 22:40 | 95.3 | ↑1.2 | |
| 5/21 22:50 | 96.7 | ↑1.4 | |
| 5/21 23:00 | 98.1 | ↑1.4 | |
| 5/21 23:10 | 99.7 | ↑1.6 | |
| 5/21 23:20 | 101.4 | ↑1.7 | |
| 5/21 23:30 | 103.3 | ↑1.9 | |
| 5/21 23:40 | 105.2 | ↑1.9 | |
| 5/21 23:50 | 107.3 | ↑2.1 |