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

Tide Levels and Harmonics

  

Data Ton Ddiweddaraf

Data Ton Ddiweddaraf
Dyddiad/Amser (ASG)18-04-2025 09:00
Lledred-
Hydred-
Uchder ton (m)0.41
Uchder uchaf ton (m)0.62
Tbrig (s)2.7
Tz (s)3.1
Cyfeiriad mwyaf cyffredin (gradd)-
Ymlediad (gradd)-
Tymheredd y môr (°C)-
Energy Period (s)-
Wave Power (kW/m)-

Data llanw diweddaraf

Data Llanw Diweddaraf
Dyddiad/Amser (ASG)18-04-2025 09:00
Codiad10.68
Gweddill0.13
Penllanw nesaf09:32, 10.73
Distyll nesaf15:37, 2.65
Highest Date31-03-2025
Highest Value13.51m
Lowest Date16-04-2025
Lowest Value2.59m

Latest Met Data

Latest Met data
Dyddiad/Amser (ASG)18-04-2025 09:20
Gwasgedd aer (mb)1005.7
Cyflymder gwynt (nots)14.6
Wind Speed (ms-1)7.3
Cyflymder hwrdd (nots)20.8
Gust Speed (ms-1)10.4
Wind direction (°)110
Air Temperature (°C)11.2
Glawiad0
Erythemal Radiation (W/m2)-
Indecs UF-
Lleithder cymharol (%)73.3