National Network of Regional Coastal Monitoring Programmes

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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

  

Latest Wave Data

Latest Wave Data
Time (GMT)13-12-2025 16:40
Latitude-
Longitude-
Wave Height (m)0.22
Max Wave Height (m)0.34
Tpeak (s)2.8
Tz (s)3.8
Peak Direction (degrees)-
Spread (degrees)-
Sea Temp (°C)-
Energy Period (s)-
Wave Power (kW/m)-

Latest Tide Data

Latest Tide data
Time (GMT)13-12-2025 16:40
Elevation6.32
Residual0.08
Next HW01:58, 9.49
Next LW19:34, 3.79
Highest Date08-11-2025
Highest Value56.61m
Lowest Date28-04-2025
Lowest Value2.59m

Latest Met Data

Latest Met data
Time (GMT)13-12-2025 17:00
Air Pressure (mb)1023.5
Wind Speed (knots)8.2
Wind Speed (ms-1)4.2
Gust Speed (knots)10.3
Gust Speed (ms-1)5.3
Wind direction (°)200
Air Temperature (°C)9.9
Rainfall (mm)0
Erythemal Radiation (W/m2)-
UV Index-
Relative Humidity (%)76