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 |
|---|---|---|
| 16-04-2026 14:40 | 4.41 | -0.35 |
| Penllanw nesaf | Distyll nesaf |
|---|---|
| 18:23, 12.16 | 00:45, 1.12 |
| Dyddiad | Uchaf 2026 | Dyddiad | Isaf 2026 |
|---|---|---|---|
| 04-02 | 13.05m | 18-01 | 2.59m |
Penarth Predicted Tide Table (Chart Datum)
| 16-04-2026 | 17-04-2026 | 18-04-2026 | ||||||
|---|---|---|---|---|---|---|---|---|
| Time (GMT) | Height | Time (GMT) | Height | Time (GMT) | Height | |||
| High | 06:01 18:23 | 12.03m 12.17m | High | 06:44 19:03 | 12.63m 12.66m | High | 07:24 19:42 | 12.90m 12.83m |
| Low | 00:02 12:24 | 1.72m 1.30m | Low | 00:45 13:05 | 1.12m 0.84m | Low | 01:24 13:43 | 0.81m 0.69m |
| 19-04-2026 | 20-04-2026 | 21-04-2026 | ||||||
| Time (GMT) | Height | Time (GMT) | Height | Time (GMT) | Height | |||
| High | 08:04 20:21 | 12.85m 12.70m | High | 08:44 21:00 | 12.51m 12.32m | High | 09:26 21:41 | 11.93m 11.74m |
| Low | 02:02 14:20 | 0.79m 0.82m | Low | 02:39 14:57 | 1.02m 1.19m | Low | 03:16 15:34 | 1.44m 1.74m |
