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 |
|---|---|---|
| 08-08-2026 06:10 | 3.97 | -0.01 |
| Penllanw nesaf | Distyll nesaf |
|---|---|
| 13:56, 9.69 | 07:23, 3.43 |
| Dyddiad | Uchaf 2026 | Dyddiad | Isaf 2026 |
|---|---|---|---|
| 04-02 | 13.05m | 18-01 | 2.59m |
Penarth Predicted Tide Table (Chart Datum)
| 08-08-2026 | 09-08-2026 | 10-08-2026 | ||||||
|---|---|---|---|---|---|---|---|---|
| Time (GMT) | Height | Time (GMT) | Height | Time (GMT) | Height | |||
| High | 01:20 13:56 | 9.88m 9.69m | High | 02:46 15:26 | 9.72m 9.86m | High | 04:16 16:50 | 10.08m 10.53m |
| Low | 07:23 20:05 | 3.43m 3.67m | Low | 08:53 21:48 | 3.64m 3.55m | Low | 10:33 23:22 | 3.32m 2.88m |
| 11-08-2026 | 12-08-2026 | 13-08-2026 | ||||||
| Time (GMT) | Height | Time (GMT) | Height | Time (GMT) | Height | |||
| High | 05:32 17:57 | 10.89m 11.47m | High | 06:32 18:51 | 11.79m 12.30m | High | 07:21 19:37 | 12.46m 12.81m |
| Low | 11:53 | 2.55m | Low | 00:30 12:52 | 2.01m 1.76m | Low | 01:22 13:39 | 1.33m 1.22m |
