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 |
|---|---|---|
| 17-09-2026 00:30 | 7.39 | 0.12 |
| Penllanw nesaf | Distyll nesaf |
|---|---|
| 10:01, 10.65 | 03:48, 2.71 |
| Dyddiad | Uchaf 2026 | Dyddiad | Isaf 2026 |
|---|---|---|---|
| 04-02 | 13.05m | 18-01 | 2.59m |
Penarth Predicted Tide Table (Chart Datum)
| 17-09-2026 | 18-09-2026 | 19-09-2026 | ||||||
|---|---|---|---|---|---|---|---|---|
| Time (GMT) | Height | Time (GMT) | Height | Time (GMT) | Height | |||
| High | 10:01 22:16 | 10.65m 10.27m | High | 10:31 22:52 | 9.96m 9.48m | High | 11:15 23:46 | 9.22m 8.71m |
| Low | 03:48 16:04 | 2.71m 2.98m | Low | 04:17 16:39 | 3.29m 3.62m | Low | 04:54 17:29 | 3.96m 4.31m |
| 20-09-2026 | 21-09-2026 | 22-09-2026 | ||||||
| Time (GMT) | Height | Time (GMT) | Height | Time (GMT) | Height | |||
| High | 12:29 | 8.57m | High | 01:17 14:20 | 8.23m 8.50m | High | 03:06 15:51 | 8.47m 9.16m |
| Low | 05:51 18:51 | 4.64m 4.82m | Low | 07:28 20:38 | 5.01m 4.74m | Low | 09:26 22:10 | 4.61m 4.03m |
