National Network of Regional Coastal Monitoring Programmes
« Dychwelid at fap am donau, llanw a gorsafoedd tywydd eraill.
Note that these are real-time data and are not quality-controlled. Long-range graphs are plotted from a randomised subsample of half-hourly data.
Breaks in the data series are when the instrument is dry.
Penarth
Tide Levels and HarmonicsData llanw diweddaraf (Predicted Tide Table)
| Amser (ASG) | Codiad | Gweddill |
|---|---|---|
| 14-07-2026 12:10 | - | - |
| Penllanw nesaf | Distyll nesaf |
|---|---|
| 18:59, 12.1 | 12:56, 1.86 |
| Dyddiad | Uchaf 2026 | Dyddiad | Isaf 2026 |
|---|---|---|---|
| 04-02 | 13.05m | 18-01 | 2.59m |
Penarth Predicted Tide Table (Chart Datum)
| 14-07-2026 | 15-07-2026 | 16-07-2026 | ||||||
|---|---|---|---|---|---|---|---|---|
| Time (GMT) | Height | Time (GMT) | Height | Time (GMT) | Height | |||
| High | 06:38 18:59 | 11.71m 12.10m | High | 07:32 19:50 | 12.16m 12.47m | High | 08:20 20:36 | 12.37m 12.56m |
| Low | 00:31 12:56 | 2.04m 1.86m | Low | 01:29 13:50 | 1.55m 1.51m | Low | 02:20 14:36 | 1.28m 1.39m |
| 17-07-2026 | 18-07-2026 | 19-07-2026 | ||||||
| Time (GMT) | Height | Time (GMT) | Height | Time (GMT) | Height | |||
| High | 09:03 21:18 | 12.29m 12.39m | High | 09:43 21:57 | 11.97m 12.03m | High | 10:20 22:35 | 11.51m 11.55m |
| Low | 03:04 15:18 | 1.27m 1.48m | Low | 03:43 15:55 | 1.50m 1.73m | Low | 04:17 16:28 | 1.86m 2.08m |
