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)11-05-2026 17:40
Latitude-
Longitude-
Wave Height (m)0.21
Max Wave Height (m)0.32
Tpeak (s)4.4
Tz (s)3.4
Peak Direction (degrees)-
Spread (degrees)-
Sea Temp (°C)-
Energy Period (s)-
Wave Power (kW/m)-

Latest Tide Data

Latest Tide data
Time (GMT)11-05-2026 17:40
Elevation5.39
Residual0.3
Next HW02:19, 9.56
Next LW19:44, 3.85
Highest Date04-02-2026
Highest Value13.05m
Lowest Date18-01-2026
Lowest Value2.59m

Latest Met Data

Latest Met data
Time (GMT)11-05-2026 18:00
Air Pressure (mb)1012.5
Wind Speed (knots)4.5
Wind Speed (ms-1)2.3
Gust Speed (knots)6.2
Gust Speed (ms-1)3.2
Wind direction (°)150
Air Temperature (°C)12.7
Rainfall (mm)0
Erythemal Radiation (W/m2)-
UV Index-
Relative Humidity (%)62.5