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 |
|---|---|---|
| 13-11-2025 08:50 | 5.66 | 0.22 |
| Penllanw nesaf | Distyll nesaf |
|---|---|
| 13:04, 9.55 | 19:33, 3.99 |
| Dyddiad | Uchaf 2025 | Dyddiad | Isaf 2025 |
|---|---|---|---|
| 08-11 | 56.61m | 28-04 | 2.59m |
Penarth Predicted Tide Table (Chart Datum)
| 13-11-2025 | 14-11-2025 | 15-11-2025 | ||||||
|---|---|---|---|---|---|---|---|---|
| Time (GMT) | Height | Time (GMT) | Height | Time (GMT) | Height | |||
| High | 00:38 13:04 | 9.36m 9.55m | High | 01:52 14:19 | 9.29m 9.66m | High | 03:02 15:25 | 9.62m 10.09m |
| Low | 06:44 19:33 | 4.19m 3.99m | Low | 08:03 20:47 | 4.12m 3.78m | Low | 09:15 21:51 | 3.69m 3.31m |
| 16-11-2025 | 17-11-2025 | 18-11-2025 | ||||||
| Time (GMT) | Height | Time (GMT) | Height | Time (GMT) | Height | |||
| High | 04:01 16:20 | 10.21m 10.67m | High | 04:50 17:05 | 10.84m 11.20m | High | 05:32 17:45 | 11.38m 11.58m |
| Low | 10:14 22:42 | 3.10m 2.75m | Low | 11:01 23:25 | 2.53m 2.26m | Low | 11:42 | 2.11m |
