| 満潮 | 干潮 | 満潮 | 干潮 |
|
20
(木) |
05:56 | 12:13 | 18:36 | - |
| 178cm | 9cm | 179cm | - | |
|
||||
室戸岬（高知）2023年04月20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 |
|---|---|---|---|
| 4/20 00:00 | 36.9 | ↑0.2 | |
| 4/20 00:10 | 37.5 | ↑0.6 | |
| 4/20 00:20 | 38.6 | ↑1.1 | |
| 4/20 00:30 | 40.3 | ↑1.7 | |
| 4/20 00:40 | 42.4 | ↑2.1 | |
| 4/20 00:50 | 45.0 | ↑2.6 | |
| 4/20 01:00 | 48.1 | ↑3.1 | |
| 4/20 01:10 | 51.5 | ↑3.4 | |
| 4/20 01:20 | 55.4 | ↑3.9 | |
| 4/20 01:30 | 59.7 | ↑4.3 | |
| 4/20 01:40 | 64.2 | ↑4.5 | |
| 4/20 01:50 | 69.2 | ↑5.0 | |
| 4/20 02:00 | 74.3 | ↑5.1 | |
| 4/20 02:10 | 79.8 | ↑5.5 | |
| 4/20 02:20 | 85.4 | ↑5.6 | |
| 4/20 02:30 | 91.2 | ↑5.8 | |
| 4/20 02:40 | 97.1 | ↑5.9 | |
| 4/20 02:50 | 103.1 | ↑6.0 | |
| 4/20 03:00 | 109.1 | ↑6.0 | |
| 4/20 03:10 | 115.1 | ↑6.0 | |
| 4/20 03:20 | 121.1 | ↑6.0 | |
| 4/20 03:30 | 127.0 | ↑5.9 | |
| 4/20 03:40 | 132.8 | ↑5.8 | |
| 4/20 03:50 | 138.4 | ↑5.6 | |
| 4/20 04:00 | 143.7 | ↑5.3 | |
| 4/20 04:10 | 148.8 | ↑5.1 | |
| 4/20 04:20 | 153.6 | ↑4.8 | |
| 4/20 04:30 | 158.0 | ↑4.4 | |
| 4/20 04:40 | 162.1 | ↑4.1 | |
| 4/20 04:50 | 165.7 | ↑3.6 | |
| 4/20 05:00 | 168.9 | ↑3.2 | |
| 4/20 05:10 | 171.5 | ↑2.6 | |
| 4/20 05:20 | 173.7 | ↑2.2 | |
| 4/20 05:30 | 175.4 | ↑1.7 | |
| 4/20 05:40 | 176.5 | ↑1.1 | |
| 4/20 05:50 | 177.0 | ↑0.5 | 満潮 |
| 4/20 06:00 | 177.0 | 0 | |
| 4/20 06:10 | 176.4 | ↓-0.6 | |
| 4/20 06:20 | 175.3 | ↓-1.1 | |
| 4/20 06:30 | 173.6 | ↓-1.7 | |
| 4/20 06:40 | 171.3 | ↓-2.3 | |
| 4/20 06:50 | 168.5 | ↓-2.8 | |
| 4/20 07:00 | 165.1 | ↓-3.4 | |
| 4/20 07:10 | 161.3 | ↓-3.8 | |
| 4/20 07:20 | 156.9 | ↓-4.4 | |
| 4/20 07:30 | 152.2 | ↓-4.7 | |
| 4/20 07:40 | 147.0 | ↓-5.2 | |
| 4/20 07:50 | 141.4 | ↓-5.6 | |
| 4/20 08:00 | 135.5 | ↓-5.9 | |
| 4/20 08:10 | 129.3 | ↓-6.2 | |
| 4/20 08:20 | 122.9 | ↓-6.4 | |
| 4/20 08:30 | 116.2 | ↓-6.7 | |
| 4/20 08:40 | 109.4 | ↓-6.8 | |
| 4/20 08:50 | 102.5 | ↓-6.9 | |
| 4/20 09:00 | 95.4 | ↓-7.1 | 最大潮位差 |
| 4/20 09:10 | 88.4 | ↓-7.0 | |
| 4/20 09:20 | 81.4 | ↓-7.0 | |
| 4/20 09:30 | 74.4 | ↓-7.0 | |
| 4/20 09:40 | 67.6 | ↓-6.8 | |
| 4/20 09:50 | 61.0 | ↓-6.6 | |
| 4/20 10:00 | 54.5 | ↓-6.5 | |
| 4/20 10:10 | 48.4 | ↓-6.1 | |
| 4/20 10:20 | 42.5 | ↓-5.9 | |
| 4/20 10:30 | 37.0 | ↓-5.5 | |
| 4/20 10:40 | 31.9 | ↓-5.1 | |
| 4/20 10:50 | 27.2 | ↓-4.7 | |
| 4/20 11:00 | 22.9 | ↓-4.3 | |
| 4/20 11:10 | 19.2 | ↓-3.7 | |
| 4/20 11:20 | 16.0 | ↓-3.2 | |
| 4/20 11:30 | 13.3 | ↓-2.7 | |
| 4/20 11:40 | 11.1 | ↓-2.2 | |
| 4/20 11:50 | 9.6 | ↓-1.5 | |
| 4/20 12:00 | 8.6 | ↓-1.0 | |
| 4/20 12:10 | 8.2 | ↓-0.4 | 干潮 |
| 4/20 12:20 | 8.4 | ↑0.2 | |
| 4/20 12:30 | 9.2 | ↑0.8 | |
| 4/20 12:40 | 10.6 | ↑1.4 | |
| 4/20 12:50 | 12.5 | ↑1.9 | |
| 4/20 13:00 | 15.0 | ↑2.5 | |
| 4/20 13:10 | 18.0 | ↑3.0 | |
| 4/20 13:20 | 21.6 | ↑3.6 | |
| 4/20 13:30 | 25.6 | ↑4.0 | |
| 4/20 13:40 | 30.0 | ↑4.4 | |
| 4/20 13:50 | 34.9 | ↑4.9 | |
| 4/20 14:00 | 40.2 | ↑5.3 | |
| 4/20 14:10 | 45.8 | ↑5.6 | |
| 4/20 14:20 | 51.7 | ↑5.9 | |
| 4/20 14:30 | 57.9 | ↑6.2 | |
| 4/20 14:40 | 64.4 | ↑6.5 | |
| 4/20 14:50 | 71.0 | ↑6.6 | |
| 4/20 15:00 | 77.8 | ↑6.8 | |
| 4/20 15:10 | 84.7 | ↑6.9 | |
| 4/20 15:20 | 91.6 | ↑6.9 | |
| 4/20 15:30 | 98.6 | ↑7.0 | |
| 4/20 15:40 | 105.5 | ↑6.9 | |
| 4/20 15:50 | 112.3 | ↑6.8 | |
| 4/20 16:00 | 119.0 | ↑6.7 | |
| 4/20 16:10 | 125.6 | ↑6.6 | |
| 4/20 16:20 | 131.9 | ↑6.3 | |
| 4/20 16:30 | 138.0 | ↑6.1 | |
| 4/20 16:40 | 143.8 | ↑5.8 | |
| 4/20 16:50 | 149.2 | ↑5.4 | |
| 4/20 17:00 | 154.3 | ↑5.1 | |
| 4/20 17:10 | 159.0 | ↑4.7 | |
| 4/20 17:20 | 163.2 | ↑4.2 | |
| 4/20 17:30 | 166.9 | ↑3.7 | |
| 4/20 17:40 | 170.2 | ↑3.3 | |
| 4/20 17:50 | 172.9 | ↑2.7 | |
| 4/20 18:00 | 175.1 | ↑2.2 | |
| 4/20 18:10 | 176.8 | ↑1.7 | |
| 4/20 18:20 | 177.8 | ↑1.0 | |
| 4/20 18:30 | 178.4 | ↑0.6 | 満潮 |
| 4/20 18:40 | 178.4 | 0 | |
| 4/20 18:50 | 177.8 | ↓-0.6 | |
| 4/20 19:00 | 176.7 | ↓-1.1 | |
| 4/20 19:10 | 175.1 | ↓-1.6 | |
| 4/20 19:20 | 172.9 | ↓-2.2 | |
| 4/20 19:30 | 170.3 | ↓-2.6 | |
| 4/20 19:40 | 167.2 | ↓-3.1 | |
| 4/20 19:50 | 163.7 | ↓-3.5 | |
| 4/20 20:00 | 159.8 | ↓-3.9 | |
| 4/20 20:10 | 155.5 | ↓-4.3 | |
| 4/20 20:20 | 150.9 | ↓-4.6 | |
| 4/20 20:30 | 146.0 | ↓-4.9 | |
| 4/20 20:40 | 140.8 | ↓-5.2 | |
| 4/20 20:50 | 135.5 | ↓-5.3 | |
| 4/20 21:00 | 129.9 | ↓-5.6 | |
| 4/20 21:10 | 124.3 | ↓-5.6 | |
| 4/20 21:20 | 118.5 | ↓-5.8 | |
| 4/20 21:30 | 112.7 | ↓-5.8 | |
| 4/20 21:40 | 107.0 | ↓-5.7 | |
| 4/20 21:50 | 101.2 | ↓-5.8 | |
| 4/20 22:00 | 95.6 | ↓-5.6 | |
| 4/20 22:10 | 90.1 | ↓-5.5 | |
| 4/20 22:20 | 84.8 | ↓-5.3 | |
| 4/20 22:30 | 79.7 | ↓-5.1 | |
| 4/20 22:40 | 74.9 | ↓-4.8 | |
| 4/20 22:50 | 70.3 | ↓-4.6 | |
| 4/20 23:00 | 66.1 | ↓-4.2 | |
| 4/20 23:10 | 62.3 | ↓-3.8 | |
| 4/20 23:20 | 58.8 | ↓-3.5 | |
| 4/20 23:30 | 55.8 | ↓-3.0 | |
| 4/20 23:40 | 53.2 | ↓-2.6 | |
| 4/20 23:50 | 51.1 | ↓-2.1 |