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)12-09-2026 13:50
Latitude-
Longitude-
Wave Height (m)-
Max Wave Height (m)-
Tpeak (s)-
Tz (s)-
Peak Direction (degrees)-
Spread (degrees)-
Sea Temp (°C)-
Energy Period (s)-
Wave Power (kW/m)-

Latest Tide Data

Latest Tide data
Time (GMT)12-09-2026 13:50
Elevation-
Residual-
Next HW19:51, 13.08
Next LW02:12, 0.95
Highest Date04-02-2026
Highest Value13.05m
Lowest Date18-01-2026
Lowest Value2.59m

Latest Met Data

Latest Met data
Time (GMT)12-09-2026 14:10
Air Pressure (mb)1019.9
Wind Speed (knots)10.3
Wind Speed (ms-1)5.3
Gust Speed (knots)19.4
Gust Speed (ms-1)10
Wind direction (°)220
Air Temperature (°C)21.1
Rainfall (mm)0
Erythemal Radiation (W/m2)-
UV Index-
Relative Humidity (%)68.8