| 満潮 | 干潮 | 満潮 | 干潮 |
|
21
(火) |
06:07 | 00:43 | 20:08 | 13:08 |
| 168cm | 97cm | 161cm | 8cm | |
|
||||
第一海堡（千葉）2030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 | 99.0 | ↓-1.4 | |
| 5/21 00:10 | 97.8 | ↓-1.2 | |
| 5/21 00:20 | 96.9 | ↓-0.9 | |
| 5/21 00:30 | 96.4 | ↓-0.5 | |
| 5/21 00:40 | 96.1 | ↓-0.3 | 干潮 |
| 5/21 00:50 | 96.2 | ↑0.1 | |
| 5/21 01:00 | 96.6 | ↑0.4 | |
| 5/21 01:10 | 97.3 | ↑0.7 | |
| 5/21 01:20 | 98.4 | ↑1.1 | |
| 5/21 01:30 | 99.7 | ↑1.3 | |
| 5/21 01:40 | 101.3 | ↑1.6 | |
| 5/21 01:50 | 103.2 | ↑1.9 | |
| 5/21 02:00 | 105.4 | ↑2.2 | |
| 5/21 02:10 | 107.8 | ↑2.4 | |
| 5/21 02:20 | 110.4 | ↑2.6 | |
| 5/21 02:30 | 113.3 | ↑2.9 | |
| 5/21 02:40 | 116.3 | ↑3.0 | |
| 5/21 02:50 | 119.4 | ↑3.1 | |
| 5/21 03:00 | 122.7 | ↑3.3 | |
| 5/21 03:10 | 126.0 | ↑3.3 | |
| 5/21 03:20 | 129.5 | ↑3.5 | |
| 5/21 03:30 | 132.9 | ↑3.4 | |
| 5/21 03:40 | 136.4 | ↑3.5 | |
| 5/21 03:50 | 139.8 | ↑3.4 | |
| 5/21 04:00 | 143.1 | ↑3.3 | |
| 5/21 04:10 | 146.4 | ↑3.3 | |
| 5/21 04:20 | 149.5 | ↑3.1 | |
| 5/21 04:30 | 152.5 | ↑3.0 | |
| 5/21 04:40 | 155.3 | ↑2.8 | |
| 5/21 04:50 | 157.8 | ↑2.5 | |
| 5/21 05:00 | 160.2 | ↑2.4 | |
| 5/21 05:10 | 162.2 | ↑2.0 | |
| 5/21 05:20 | 164.0 | ↑1.8 | |
| 5/21 05:30 | 165.5 | ↑1.5 | |
| 5/21 05:40 | 166.6 | ↑1.1 | |
| 5/21 05:50 | 167.4 | ↑0.8 | |
| 5/21 06:00 | 167.8 | ↑0.4 | 満潮 |
| 5/21 06:10 | 167.8 | 0 | |
| 5/21 06:20 | 167.5 | ↓-0.3 | |
| 5/21 06:30 | 166.7 | ↓-0.8 | |
| 5/21 06:40 | 165.6 | ↓-1.1 | |
| 5/21 06:50 | 164.1 | ↓-1.5 | |
| 5/21 07:00 | 162.1 | ↓-2.0 | |
| 5/21 07:10 | 159.8 | ↓-2.3 | |
| 5/21 07:20 | 157.1 | ↓-2.7 | |
| 5/21 07:30 | 154.0 | ↓-3.1 | |
| 5/21 07:40 | 150.5 | ↓-3.5 | |
| 5/21 07:50 | 146.7 | ↓-3.8 | |
| 5/21 08:00 | 142.5 | ↓-4.2 | |
| 5/21 08:10 | 138.1 | ↓-4.4 | |
| 5/21 08:20 | 133.3 | ↓-4.8 | |
| 5/21 08:30 | 128.3 | ↓-5.0 | |
| 5/21 08:40 | 123.1 | ↓-5.2 | |
| 5/21 08:50 | 117.6 | ↓-5.5 | |
| 5/21 09:00 | 111.9 | ↓-5.7 | |
| 5/21 09:10 | 106.1 | ↓-5.8 | |
| 5/21 09:20 | 100.2 | ↓-5.9 | |
| 5/21 09:30 | 94.3 | ↓-5.9 | |
| 5/21 09:40 | 88.2 | ↓-6.1 | 最大潮位差 |
| 5/21 09:50 | 82.2 | ↓-6.0 | |
| 5/21 10:00 | 76.1 | ↓-6.1 | 最大潮位差 |
| 5/21 10:10 | 70.2 | ↓-5.9 | |
| 5/21 10:20 | 64.3 | ↓-5.9 | |
| 5/21 10:30 | 58.6 | ↓-5.7 | |
| 5/21 10:40 | 53.0 | ↓-5.6 | |
| 5/21 10:50 | 47.6 | ↓-5.4 | |
| 5/21 11:00 | 42.5 | ↓-5.1 | |
| 5/21 11:10 | 37.6 | ↓-4.9 | |
| 5/21 11:20 | 33.0 | ↓-4.6 | |
| 5/21 11:30 | 28.7 | ↓-4.3 | |
| 5/21 11:40 | 24.8 | ↓-3.9 | |
| 5/21 11:50 | 21.2 | ↓-3.6 | |
| 5/21 12:00 | 18.1 | ↓-3.1 | |
| 5/21 12:10 | 15.3 | ↓-2.8 | |
| 5/21 12:20 | 13.0 | ↓-2.3 | |
| 5/21 12:30 | 11.1 | ↓-1.9 | |
| 5/21 12:40 | 9.6 | ↓-1.5 | |
| 5/21 12:50 | 8.6 | ↓-1.0 | |
| 5/21 13:00 | 8.1 | ↓-0.5 | 干潮 |
| 5/21 13:10 | 8.0 | ↓-0.1 | |
| 5/21 13:20 | 8.4 | ↑0.4 | |
| 5/21 13:30 | 9.2 | ↑0.8 | |
| 5/21 13:40 | 10.5 | ↑1.3 | |
| 5/21 13:50 | 12.3 | ↑1.8 | |
| 5/21 14:00 | 14.5 | ↑2.2 | |
| 5/21 14:10 | 17.1 | ↑2.6 | |
| 5/21 14:20 | 20.1 | ↑3.0 | |
| 5/21 14:30 | 23.5 | ↑3.4 | |
| 5/21 14:40 | 27.2 | ↑3.7 | |
| 5/21 14:50 | 31.3 | ↑4.1 | |
| 5/21 15:00 | 35.7 | ↑4.4 | |
| 5/21 15:10 | 40.4 | ↑4.7 | |
| 5/21 15:20 | 45.3 | ↑4.9 | |
| 5/21 15:30 | 50.5 | ↑5.2 | |
| 5/21 15:40 | 55.8 | ↑5.3 | |
| 5/21 15:50 | 61.3 | ↑5.5 | |
| 5/21 16:00 | 66.9 | ↑5.6 | |
| 5/21 16:10 | 72.7 | ↑5.8 | |
| 5/21 16:20 | 78.4 | ↑5.7 | |
| 5/21 16:30 | 84.2 | ↑5.8 | |
| 5/21 16:40 | 90.0 | ↑5.8 | |
| 5/21 16:50 | 95.7 | ↑5.7 | |
| 5/21 17:00 | 101.4 | ↑5.7 | |
| 5/21 17:10 | 106.9 | ↑5.5 | |
| 5/21 17:20 | 112.3 | ↑5.4 | |
| 5/21 17:30 | 117.5 | ↑5.2 | |
| 5/21 17:40 | 122.5 | ↑5.0 | |
| 5/21 17:50 | 127.3 | ↑4.8 | |
| 5/21 18:00 | 131.9 | ↑4.6 | |
| 5/21 18:10 | 136.1 | ↑4.2 | |
| 5/21 18:20 | 140.1 | ↑4.0 | |
| 5/21 18:30 | 143.7 | ↑3.6 | |
| 5/21 18:40 | 147.1 | ↑3.4 | |
| 5/21 18:50 | 150.0 | ↑2.9 | |
| 5/21 19:00 | 152.7 | ↑2.7 | |
| 5/21 19:10 | 154.9 | ↑2.2 | |
| 5/21 19:20 | 156.8 | ↑1.9 | |
| 5/21 19:30 | 158.3 | ↑1.5 | |
| 5/21 19:40 | 159.5 | ↑1.2 | |
| 5/21 19:50 | 160.2 | ↑0.7 | |
| 5/21 20:00 | 160.7 | ↑0.5 | 満潮 |
| 5/21 20:10 | 160.7 | 0 | |
| 5/21 20:20 | 160.4 | ↓-0.3 | |
| 5/21 20:30 | 159.8 | ↓-0.6 | |
| 5/21 20:40 | 158.9 | ↓-0.9 | |
| 5/21 20:50 | 157.6 | ↓-1.3 | |
| 5/21 21:00 | 156.1 | ↓-1.5 | |
| 5/21 21:10 | 154.3 | ↓-1.8 | |
| 5/21 21:20 | 152.3 | ↓-2.0 | |
| 5/21 21:30 | 150.0 | ↓-2.3 | |
| 5/21 21:40 | 147.6 | ↓-2.4 | |
| 5/21 21:50 | 145.0 | ↓-2.6 | |
| 5/21 22:00 | 142.2 | ↓-2.8 | |
| 5/21 22:10 | 139.4 | ↓-2.8 | |
| 5/21 22:20 | 136.4 | ↓-3.0 | |
| 5/21 22:30 | 133.5 | ↓-2.9 | |
| 5/21 22:40 | 130.4 | ↓-3.1 | |
| 5/21 22:50 | 127.4 | ↓-3.0 | |
| 5/21 23:00 | 124.4 | ↓-3.0 | |
| 5/21 23:10 | 121.5 | ↓-2.9 | |
| 5/21 23:20 | 118.7 | ↓-2.8 | |
| 5/21 23:30 | 116.0 | ↓-2.7 | |
| 5/21 23:40 | 113.4 | ↓-2.6 | |
| 5/21 23:50 | 110.9 | ↓-2.5 |