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.
Penarth
Average values for 2023
| Month | Hs (m) | Tp (s) | Tz (s) | Dirp (degrees) | TSea (degrees C) |
|---|---|---|---|---|---|
| January | 0.32 | 4.1 | 3.9 | - | - |
| February | 0.28 | 4 | 3.7 | - | - |
| March | 0.33 | 3.8 | 3.7 | - | - |
| April | 0.28 | 3.5 | 3.6 | - | - |
| May | 0.29 | 3.2 | 3.4 | - | - |
| June | 0.38 | 3.2 | 3.2 | - | - |
| July | - | - | - | - | - |
| August | 0.25 | 3.1 | 3.6 | - | - |
| September | 0.3 | 3.6 | 3.7 | - | - |
| October | 0.32 | 3.6 | 3.6 | - | - |
| November | 0.37 | 4 | 3.9 | - | - |
| December | 0.41 | 3.1 | 3.8 | - | - |
