| 満潮 | 干潮 | 満潮 | 干潮 |
|
20
(日) |
09:05 | 02:48 | 21:38 | 15:05 |
| 324cm | 68cm | 344cm | 31cm | |
|
||||
波止浜（愛媛）2031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 | 182.1 | ↓-11.8 | |
| 4/20 00:10 | 170.4 | ↓-11.7 | |
| 4/20 00:20 | 159.0 | ↓-11.4 | |
| 4/20 00:30 | 147.9 | ↓-11.1 | |
| 4/20 00:40 | 137.3 | ↓-10.6 | |
| 4/20 00:50 | 127.2 | ↓-10.1 | |
| 4/20 01:00 | 117.8 | ↓-9.4 | |
| 4/20 01:10 | 109.0 | ↓-8.8 | |
| 4/20 01:20 | 101.0 | ↓-8.0 | |
| 4/20 01:30 | 93.7 | ↓-7.3 | |
| 4/20 01:40 | 87.3 | ↓-6.4 | |
| 4/20 01:50 | 81.7 | ↓-5.6 | |
| 4/20 02:00 | 77.0 | ↓-4.7 | |
| 4/20 02:10 | 73.2 | ↓-3.8 | |
| 4/20 02:20 | 70.3 | ↓-2.9 | |
| 4/20 02:30 | 68.4 | ↓-1.9 | |
| 4/20 02:40 | 67.3 | ↓-1.1 | 干潮 |
| 4/20 02:50 | 67.2 | ↓-0.1 | |
| 4/20 03:00 | 67.9 | ↑0.7 | |
| 4/20 03:10 | 69.5 | ↑1.6 | |
| 4/20 03:20 | 72.0 | ↑2.5 | |
| 4/20 03:30 | 75.3 | ↑3.3 | |
| 4/20 03:40 | 79.4 | ↑4.1 | |
| 4/20 03:50 | 84.2 | ↑4.8 | |
| 4/20 04:00 | 89.8 | ↑5.6 | |
| 4/20 04:10 | 96.1 | ↑6.3 | |
| 4/20 04:20 | 103.0 | ↑6.9 | |
| 4/20 04:30 | 110.6 | ↑7.6 | |
| 4/20 04:40 | 118.7 | ↑8.1 | |
| 4/20 04:50 | 127.3 | ↑8.6 | |
| 4/20 05:00 | 136.4 | ↑9.1 | |
| 4/20 05:10 | 145.8 | ↑9.4 | |
| 4/20 05:20 | 155.6 | ↑9.8 | |
| 4/20 05:30 | 165.7 | ↑10.1 | |
| 4/20 05:40 | 176.0 | ↑10.3 | |
| 4/20 05:50 | 186.4 | ↑10.4 | |
| 4/20 06:00 | 196.9 | ↑10.5 | |
| 4/20 06:10 | 207.4 | ↑10.5 | |
| 4/20 06:20 | 217.9 | ↑10.5 | |
| 4/20 06:30 | 228.2 | ↑10.3 | |
| 4/20 06:40 | 238.3 | ↑10.1 | |
| 4/20 06:50 | 248.2 | ↑9.9 | |
| 4/20 07:00 | 257.7 | ↑9.5 | |
| 4/20 07:10 | 266.8 | ↑9.1 | |
| 4/20 07:20 | 275.5 | ↑8.7 | |
| 4/20 07:30 | 283.6 | ↑8.1 | |
| 4/20 07:40 | 291.2 | ↑7.6 | |
| 4/20 07:50 | 298.1 | ↑6.9 | |
| 4/20 08:00 | 304.2 | ↑6.1 | |
| 4/20 08:10 | 309.7 | ↑5.5 | |
| 4/20 08:20 | 314.3 | ↑4.6 | |
| 4/20 08:30 | 318.0 | ↑3.7 | |
| 4/20 08:40 | 320.8 | ↑2.8 | |
| 4/20 08:50 | 322.7 | ↑1.9 | |
| 4/20 09:00 | 323.6 | ↑0.9 | 満潮 |
| 4/20 09:10 | 323.5 | ↓-0.1 | |
| 4/20 09:20 | 322.3 | ↓-1.2 | |
| 4/20 09:30 | 320.1 | ↓-2.2 | |
| 4/20 09:40 | 316.9 | ↓-3.2 | |
| 4/20 09:50 | 312.5 | ↓-4.4 | |
| 4/20 10:00 | 307.2 | ↓-5.3 | |
| 4/20 10:10 | 300.8 | ↓-6.4 | |
| 4/20 10:20 | 293.5 | ↓-7.3 | |
| 4/20 10:30 | 285.2 | ↓-8.3 | |
| 4/20 10:40 | 276.0 | ↓-9.2 | |
| 4/20 10:50 | 266.0 | ↓-10.0 | |
| 4/20 11:00 | 255.3 | ↓-10.7 | |
| 4/20 11:10 | 243.9 | ↓-11.4 | |
| 4/20 11:20 | 231.9 | ↓-12.0 | |
| 4/20 11:30 | 219.5 | ↓-12.4 | |
| 4/20 11:40 | 206.8 | ↓-12.7 | |
| 4/20 11:50 | 193.8 | ↓-13.0 | |
| 4/20 12:00 | 180.6 | ↓-13.2 | 最大潮位差 |
| 4/20 12:10 | 167.5 | ↓-13.1 | |
| 4/20 12:20 | 154.4 | ↓-13.1 | |
| 4/20 12:30 | 141.6 | ↓-12.8 | |
| 4/20 12:40 | 129.1 | ↓-12.5 | |
| 4/20 12:50 | 117.0 | ↓-12.1 | |
| 4/20 13:00 | 105.4 | ↓-11.6 | |
| 4/20 13:10 | 94.5 | ↓-10.9 | |
| 4/20 13:20 | 84.2 | ↓-10.3 | |
| 4/20 13:30 | 74.7 | ↓-9.5 | |
| 4/20 13:40 | 66.0 | ↓-8.7 | |
| 4/20 13:50 | 58.2 | ↓-7.8 | |
| 4/20 14:00 | 51.3 | ↓-6.9 | |
| 4/20 14:10 | 45.3 | ↓-6.0 | |
| 4/20 14:20 | 40.3 | ↓-5.0 | |
| 4/20 14:30 | 36.4 | ↓-3.9 | |
| 4/20 14:40 | 33.4 | ↓-3.0 | |
| 4/20 14:50 | 31.5 | ↓-1.9 | |
| 4/20 15:00 | 30.5 | ↓-1.0 | 干潮 |
| 4/20 15:10 | 30.6 | ↑0.1 | |
| 4/20 15:20 | 31.6 | ↑1.0 | |
| 4/20 15:30 | 33.7 | ↑2.1 | |
| 4/20 15:40 | 36.6 | ↑2.9 | |
| 4/20 15:50 | 40.5 | ↑3.9 | |
| 4/20 16:00 | 45.3 | ↑4.8 | |
| 4/20 16:10 | 51.0 | ↑5.7 | |
| 4/20 16:20 | 57.5 | ↑6.5 | |
| 4/20 16:30 | 64.8 | ↑7.3 | |
| 4/20 16:40 | 72.8 | ↑8.0 | |
| 4/20 16:50 | 81.6 | ↑8.8 | |
| 4/20 17:00 | 91.0 | ↑9.4 | |
| 4/20 17:10 | 100.9 | ↑9.9 | |
| 4/20 17:20 | 111.5 | ↑10.6 | |
| 4/20 17:30 | 122.5 | ↑11.0 | |
| 4/20 17:40 | 133.9 | ↑11.4 | |
| 4/20 17:50 | 145.6 | ↑11.7 | |
| 4/20 18:00 | 157.6 | ↑12.0 | |
| 4/20 18:10 | 169.9 | ↑12.3 | |
| 4/20 18:20 | 182.2 | ↑12.3 | |
| 4/20 18:30 | 194.6 | ↑12.4 | |
| 4/20 18:40 | 207.0 | ↑12.4 | |
| 4/20 18:50 | 219.3 | ↑12.3 | |
| 4/20 19:00 | 231.4 | ↑12.1 | |
| 4/20 19:10 | 243.3 | ↑11.9 | |
| 4/20 19:20 | 254.8 | ↑11.5 | |
| 4/20 19:30 | 265.9 | ↑11.1 | |
| 4/20 19:40 | 276.5 | ↑10.6 | |
| 4/20 19:50 | 286.5 | ↑10.0 | |
| 4/20 20:00 | 296.0 | ↑9.5 | |
| 4/20 20:10 | 304.7 | ↑8.7 | |
| 4/20 20:20 | 312.7 | ↑8.0 | |
| 4/20 20:30 | 319.9 | ↑7.2 | |
| 4/20 20:40 | 326.2 | ↑6.3 | |
| 4/20 20:50 | 331.6 | ↑5.4 | |
| 4/20 21:00 | 336.1 | ↑4.5 | |
| 4/20 21:10 | 339.5 | ↑3.4 | |
| 4/20 21:20 | 341.9 | ↑2.4 | |
| 4/20 21:30 | 343.2 | ↑1.3 | 満潮 |
| 4/20 21:40 | 343.4 | ↑0.2 | |
| 4/20 21:50 | 342.5 | ↓-0.9 | |
| 4/20 22:00 | 340.5 | ↓-2.0 | |
| 4/20 22:10 | 337.4 | ↓-3.1 | |
| 4/20 22:20 | 333.1 | ↓-4.3 | |
| 4/20 22:30 | 327.9 | ↓-5.2 | |
| 4/20 22:40 | 321.6 | ↓-6.3 | |
| 4/20 22:50 | 314.3 | ↓-7.3 | |
| 4/20 23:00 | 306.1 | ↓-8.2 | |
| 4/20 23:10 | 297.0 | ↓-9.1 | |
| 4/20 23:20 | 287.1 | ↓-9.9 | |
| 4/20 23:30 | 276.6 | ↓-10.5 | |
| 4/20 23:40 | 265.4 | ↓-11.2 | |
| 4/20 23:50 | 253.8 | ↓-11.6 |