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)17-12-2025 06:40
Latitude-
Longitude-
Wave Height (m)0.35
Max Wave Height (m)0.53
Tpeak (s)3
Tz (s)3.3
Peak Direction (degrees)-
Spread (degrees)-
Sea Temp (°C)-
Energy Period (s)-
Wave Power (kW/m)-

Latest Tide Data

Latest Tide data
Time (GMT)17-12-2025 06:40
Elevation9.11
Residual0.29
Next HW17:10, 10.61
Next LW11:03, 2.94
Highest Date08-11-2025
Highest Value56.61m
Lowest Date28-04-2025
Lowest Value2.59m

Latest Met Data

Latest Met data
Time (GMT)17-12-2025 07:00
Air Pressure (mb)1013.3
Wind Speed (knots)14
Wind Speed (ms-1)7.2
Gust Speed (knots)17.5
Gust Speed (ms-1)9
Wind direction (°)160
Air Temperature (°C)6.8
Rainfall (mm)0
Erythemal Radiation (W/m2)-
UV Index-
Relative Humidity (%)83