National Network of Regional Coastal Monitoring Programmes
« Return to map for other wave, tide and met stations.
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.
Penarth
Tide Levels and HarmonicsAverage values for 2025
| Month | Hs (m) | Tp (s) | Tz (s) | Dirp (degrees) | TSea (degrees C) |
|---|---|---|---|---|---|
| January | 0.3 | 4.7 | 4 | - | - |
| February | - | - | - | - | - |
| March | 0.25 | 3.4 | 3.6 | - | - |
| April | 0.28 | 3.7 | 3.6 | - | - |
| May | 0.27 | 3.4 | 3.5 | - | - |
| June | 0.25 | 3.9 | 3.7 | - | - |
| July | 0.24 | 3.9 | 3.7 | - | - |
| August | 0.27 | 3.7 | 3.6 | - | - |
| September | 0.3 | 3.6 | 3.7 | - | - |
| October | 0.3 | 3.9 | 3.7 | - | - |
| November | 0.3 | 3.7 | 3.7 | - | - |
| December | 0.36 | 3.8 | 3.7 | - | - |
