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)12-06-2026 16:40
Latitude-
Longitude-
Wave Height (m)0.42
Max Wave Height (m)0.62
Tpeak (s)5.3
Tz (s)4.7
Peak Direction (degrees)-
Spread (degrees)-
Sea Temp (°C)-
Energy Period (s)-
Wave Power (kW/m)-

Latest Tide Data

Latest Tide data
Time (GMT)12-06-2026 16:40
Elevation10.76
Residual0.09
Next HW04:50, 11.21
Next LW22:35, 2.52
Highest Date04-02-2026
Highest Value13.05m
Lowest Date18-01-2026
Lowest Value2.59m

Latest Met Data

Latest Met data
Time (GMT)12-06-2026 17:00
Air Pressure (mb)1021.1
Wind Speed (knots)13.2
Wind Speed (ms-1)6.8
Gust Speed (knots)26.8
Gust Speed (ms-1)13.8
Wind direction (°)240
Air Temperature (°C)15.7
Rainfall (mm)0
Erythemal Radiation (W/m2)-
UV Index-
Relative Humidity (%)78.4