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 |
|---|---|---|
| 09-07-2025 15:50 | 8.22 | -0.07 |
| Penllanw nesaf | Distyll nesaf |
|---|---|
| 18:08, 10.90 | 00:24, 2.42 |
| Dyddiad | Uchaf 2025 | Dyddiad | Isaf 2025 |
|---|---|---|---|
| 31-03 | 13.51m | 28-04 | 2.59m |
Penarth Predicted Tide Table (Chart Datum)
| 09-07-2025 | 10-07-2025 | 11-07-2025 | ||||||
|---|---|---|---|---|---|---|---|---|
| Time (GMT) | Height | Time (GMT) | Height | Time (GMT) | Height | |||
| High | 05:41 18:08 | 10.41m 10.90m | High | 06:29 18:52 | 10.85m 11.31m | High | 07:14 19:34 | 11.20m 11.57m |
| Low | 11:58 | 2.66m | Low | 00:24 12:45 | 2.42m 2.29m | Low | 01:10 13:29 | 2.09m 2.04m |
| 12-07-2025 | 13-07-2025 | 14-07-2025 | ||||||
| Time (GMT) | Height | Time (GMT) | Height | Time (GMT) | Height | |||
| High | 07:55 20:13 | 11.39m 11.67m | High | 08:33 20:51 | 11.42m 11.62m | High | 09:10 21:29 | 11.33m 11.49m |
| Low | 01:53 14:10 | 1.90m 1.94m | Low | 02:34 14:48 | 1.86m 1.98m | Low | 03:11 15:24 | 1.90m 2.10m |
