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)12-05-2026 09:30
Latitude-
Longitude-
Wave Height (m)0.12
Max Wave Height (m)0.2
Tpeak (s)2.5
Tz (s)3.2
Peak Direction (degrees)-
Spread (degrees)-
Sea Temp (°C)-
Energy Period (s)-
Wave Power (kW/m)-

Latest Tide Data

Latest Tide data
Time (GMT)12-05-2026 09:30
Elevation3.62
Residual-0.16
Next HW14:53, 9.56
Next LW21:07, 3.43
Highest Date04-02-2026
Highest Value13.05m
Lowest Date18-01-2026
Lowest Value2.59m

Latest Met Data

Latest Met data
Time (GMT)12-05-2026 09:50
Air Pressure (mb)1014.8
Wind Speed (knots)6
Wind Speed (ms-1)3.1
Gust Speed (knots)15.7
Gust Speed (ms-1)8.1
Wind direction (°)240
Air Temperature (°C)13.1
Rainfall (mm)0
Erythemal Radiation (W/m2)-
UV Index-
Relative Humidity (%)59.1