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)15-10-2026 13:30
Latitude-
Longitude-
Wave Height (m)0.21
Max Wave Height (m)0.33
Tpeak (s)3.9
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)15-10-2026 13:30
Elevation4.07
Residual0.12
Next HW21:16, 10.79
Next LW15:06, 2.56
Highest Date29-09-2026
Highest Value13.09m
Lowest Date18-01-2026
Lowest Value2.59m

Latest Met Data

Latest Met data
Time (GMT)15-10-2026 13:50
Air Pressure (mb)1017
Wind Speed (knots)5.1
Wind Speed (ms-1)2.6
Gust Speed (knots)9.7
Gust Speed (ms-1)5
Wind direction (°)240
Air Temperature (°C)19.5
Rainfall (mm)0
Erythemal Radiation (W/m2)-
UV Index-
Relative Humidity (%)66.1