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)08-03-2026 13:40
Latitude-
Longitude-
Wave Height (m)0.12
Max Wave Height (m)0.19
Tpeak (s)2.9
Tz (s)3.9
Peak Direction (degrees)-
Spread (degrees)-
Sea Temp (°C)-
Energy Period (s)-
Wave Power (kW/m)-

Latest Tide Data

Latest Tide data
Time (GMT)08-03-2026 13:40
Elevation4.61
Residual0.33
Next HW21:47, 11.29
Next LW15:38, 2.09
Highest Date04-02-2026
Highest Value13.05m
Lowest Date18-01-2026
Lowest Value2.59m

Latest Met Data

Latest Met data
Time (GMT)08-03-2026 14:00
Air Pressure (mb)1020.3
Wind Speed (knots)5.4
Wind Speed (ms-1)2.8
Gust Speed (knots)7.4
Gust Speed (ms-1)3.8
Wind direction (°)120
Air Temperature (°C)9.1
Rainfall (mm)0
Erythemal Radiation (W/m2)-
UV Index-
Relative Humidity (%)88.1