| 満潮 | 干潮 | 満潮 | 干潮 |
|
18
(火) |
06:48 | 01:35 | 22:21 | 14:15 |
| 117cm | 89cm | 108cm | 41cm | |
|
||||
苫小牧（北海道）2055年05月18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 |
|---|---|---|---|
| 5/18 00:00 | 94.3 | ↓-1.2 | |
| 5/18 00:10 | 93.2 | ↓-1.1 | |
| 5/18 00:20 | 92.3 | ↓-0.9 | |
| 5/18 00:30 | 91.4 | ↓-0.9 | |
| 5/18 00:40 | 90.6 | ↓-0.8 | |
| 5/18 00:50 | 90.0 | ↓-0.6 | |
| 5/18 01:00 | 89.6 | ↓-0.4 | |
| 5/18 01:10 | 89.2 | ↓-0.4 | |
| 5/18 01:20 | 89.0 | ↓-0.2 | |
| 5/18 01:30 | 88.9 | ↓-0.1 | 干潮 |
| 5/18 01:40 | 88.9 | 0 | |
| 5/18 01:50 | 89.0 | ↑0.1 | |
| 5/18 02:00 | 89.2 | ↑0.2 | |
| 5/18 02:10 | 89.5 | ↑0.3 | |
| 5/18 02:20 | 89.8 | ↑0.3 | |
| 5/18 02:30 | 90.3 | ↑0.5 | |
| 5/18 02:40 | 90.7 | ↑0.4 | |
| 5/18 02:50 | 91.3 | ↑0.6 | |
| 5/18 03:00 | 91.9 | ↑0.6 | |
| 5/18 03:10 | 92.6 | ↑0.7 | |
| 5/18 03:20 | 93.4 | ↑0.8 | |
| 5/18 03:30 | 94.2 | ↑0.8 | |
| 5/18 03:40 | 95.1 | ↑0.9 | |
| 5/18 03:50 | 96.1 | ↑1.0 | |
| 5/18 04:00 | 97.3 | ↑1.2 | |
| 5/18 04:10 | 98.5 | ↑1.2 | |
| 5/18 04:20 | 99.8 | ↑1.3 | |
| 5/18 04:30 | 101.1 | ↑1.3 | |
| 5/18 04:40 | 102.6 | ↑1.5 | |
| 5/18 04:50 | 104.1 | ↑1.5 | |
| 5/18 05:00 | 105.6 | ↑1.5 | |
| 5/18 05:10 | 107.1 | ↑1.5 | |
| 5/18 05:20 | 108.6 | ↑1.5 | |
| 5/18 05:30 | 110.0 | ↑1.4 | |
| 5/18 05:40 | 111.3 | ↑1.3 | |
| 5/18 05:50 | 112.6 | ↑1.3 | |
| 5/18 06:00 | 113.6 | ↑1.0 | |
| 5/18 06:10 | 114.5 | ↑0.9 | |
| 5/18 06:20 | 115.3 | ↑0.8 | |
| 5/18 06:30 | 115.8 | ↑0.5 | |
| 5/18 06:40 | 116.0 | ↑0.2 | 満潮 |
| 5/18 06:50 | 116.1 | ↑0.1 | |
| 5/18 07:00 | 115.9 | ↓-0.2 | |
| 5/18 07:10 | 115.5 | ↓-0.4 | |
| 5/18 07:20 | 114.9 | ↓-0.6 | |
| 5/18 07:30 | 114.0 | ↓-0.9 | |
| 5/18 07:40 | 113.0 | ↓-1.0 | |
| 5/18 07:50 | 111.8 | ↓-1.2 | |
| 5/18 08:00 | 110.4 | ↓-1.4 | |
| 5/18 08:10 | 108.9 | ↓-1.5 | |
| 5/18 08:20 | 107.3 | ↓-1.6 | |
| 5/18 08:30 | 105.6 | ↓-1.7 | |
| 5/18 08:40 | 103.8 | ↓-1.8 | |
| 5/18 08:50 | 101.9 | ↓-1.9 | |
| 5/18 09:00 | 100.0 | ↓-1.9 | |
| 5/18 09:10 | 98.0 | ↓-2.0 | |
| 5/18 09:20 | 95.9 | ↓-2.1 | |
| 5/18 09:30 | 93.8 | ↓-2.1 | |
| 5/18 09:40 | 91.6 | ↓-2.2 | |
| 5/18 09:50 | 89.4 | ↓-2.2 | |
| 5/18 10:00 | 87.1 | ↓-2.3 | |
| 5/18 10:10 | 84.7 | ↓-2.4 | |
| 5/18 10:20 | 82.3 | ↓-2.4 | |
| 5/18 10:30 | 79.8 | ↓-2.5 | |
| 5/18 10:40 | 77.2 | ↓-2.6 | |
| 5/18 10:50 | 74.6 | ↓-2.6 | |
| 5/18 11:00 | 72.0 | ↓-2.6 | |
| 5/18 11:10 | 69.4 | ↓-2.6 | |
| 5/18 11:20 | 66.7 | ↓-2.7 | 最大潮位差 |
| 5/18 11:30 | 64.1 | ↓-2.6 | |
| 5/18 11:40 | 61.5 | ↓-2.6 | |
| 5/18 11:50 | 59.0 | ↓-2.5 | |
| 5/18 12:00 | 56.6 | ↓-2.4 | |
| 5/18 12:10 | 54.3 | ↓-2.3 | |
| 5/18 12:20 | 52.2 | ↓-2.1 | |
| 5/18 12:30 | 50.2 | ↓-2.0 | |
| 5/18 12:40 | 48.4 | ↓-1.8 | |
| 5/18 12:50 | 46.8 | ↓-1.6 | |
| 5/18 13:00 | 45.3 | ↓-1.5 | |
| 5/18 13:10 | 44.1 | ↓-1.2 | |
| 5/18 13:20 | 43.0 | ↓-1.1 | |
| 5/18 13:30 | 42.2 | ↓-0.8 | |
| 5/18 13:40 | 41.6 | ↓-0.6 | |
| 5/18 13:50 | 41.1 | ↓-0.5 | |
| 5/18 14:00 | 40.8 | ↓-0.3 | |
| 5/18 14:10 | 40.6 | ↓-0.2 | 干潮 |
| 5/18 14:20 | 40.7 | ↑0.1 | |
| 5/18 14:30 | 40.8 | ↑0.1 | |
| 5/18 14:40 | 41.1 | ↑0.3 | |
| 5/18 14:50 | 41.5 | ↑0.4 | |
| 5/18 15:00 | 42.1 | ↑0.6 | |
| 5/18 15:10 | 42.7 | ↑0.6 | |
| 5/18 15:20 | 43.5 | ↑0.8 | |
| 5/18 15:30 | 44.4 | ↑0.9 | |
| 5/18 15:40 | 45.5 | ↑1.1 | |
| 5/18 15:50 | 46.7 | ↑1.2 | |
| 5/18 16:00 | 48.0 | ↑1.3 | |
| 5/18 16:10 | 49.5 | ↑1.5 | |
| 5/18 16:20 | 51.2 | ↑1.7 | |
| 5/18 16:30 | 52.9 | ↑1.7 | |
| 5/18 16:40 | 54.9 | ↑2.0 | |
| 5/18 16:50 | 57.0 | ↑2.1 | |
| 5/18 17:00 | 59.2 | ↑2.2 | |
| 5/18 17:10 | 61.5 | ↑2.3 | |
| 5/18 17:20 | 63.9 | ↑2.4 | |
| 5/18 17:30 | 66.5 | ↑2.6 | |
| 5/18 17:40 | 69.0 | ↑2.5 | |
| 5/18 17:50 | 71.6 | ↑2.6 | |
| 5/18 18:00 | 74.2 | ↑2.6 | |
| 5/18 18:10 | 76.8 | ↑2.6 | |
| 5/18 18:20 | 79.4 | ↑2.6 | |
| 5/18 18:30 | 81.8 | ↑2.4 | |
| 5/18 18:40 | 84.2 | ↑2.4 | |
| 5/18 18:50 | 86.5 | ↑2.3 | |
| 5/18 19:00 | 88.6 | ↑2.1 | |
| 5/18 19:10 | 90.6 | ↑2.0 | |
| 5/18 19:20 | 92.5 | ↑1.9 | |
| 5/18 19:30 | 94.2 | ↑1.7 | |
| 5/18 19:40 | 95.8 | ↑1.6 | |
| 5/18 19:50 | 97.3 | ↑1.5 | |
| 5/18 20:00 | 98.6 | ↑1.3 | |
| 5/18 20:10 | 99.8 | ↑1.2 | |
| 5/18 20:20 | 101.0 | ↑1.2 | |
| 5/18 20:30 | 102.0 | ↑1.0 | |
| 5/18 20:40 | 102.9 | ↑0.9 | |
| 5/18 20:50 | 103.8 | ↑0.9 | |
| 5/18 21:00 | 104.5 | ↑0.7 | |
| 5/18 21:10 | 105.2 | ↑0.7 | |
| 5/18 21:20 | 105.9 | ↑0.7 | |
| 5/18 21:30 | 106.4 | ↑0.5 | |
| 5/18 21:40 | 106.9 | ↑0.5 | |
| 5/18 21:50 | 107.3 | ↑0.4 | |
| 5/18 22:00 | 107.5 | ↑0.2 | |
| 5/18 22:10 | 107.7 | ↑0.2 | |
| 5/18 22:20 | 107.8 | ↑0.1 | 満潮 |
| 5/18 22:30 | 107.7 | ↓-0.1 | |
| 5/18 22:40 | 107.5 | ↓-0.2 | |
| 5/18 22:50 | 107.2 | ↓-0.3 | |
| 5/18 23:00 | 106.8 | ↓-0.4 | |
| 5/18 23:10 | 106.2 | ↓-0.6 | |
| 5/18 23:20 | 105.5 | ↓-0.7 | |
| 5/18 23:30 | 104.6 | ↓-0.9 | |
| 5/18 23:40 | 103.7 | ↓-0.9 | |
| 5/18 23:50 | 102.7 | ↓-1.0 |