National Network of Regional Coastal Monitoring Programmes

« Return to map for other wave, tide and met stations.

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.

Second Severn Crossing

Tide Levels and Harmonics

  

Live water level data (OD) Data (GMT) (updated every 5 seconds)

This one-second stream of data to the website is experimental and is being developed in conjunction with Fugro GB Limited

Latest Wave Data

Latest Wave Data
Time (GMT)16-04-2026 11:00
Latitude-
Longitude-
Wave Height (m)0.16
Max Wave Height (m)0.24
Tpeak (s)10.7
Tz (s)1.8
Peak Direction (degrees)-
Spread (degrees)-
Sea Temp (°C)-
Energy Period (s)-
Wave Power (kW/m)-

Latest Tide Data

Latest Tide data
Time (GMT)16-04-2026 11:50
Elevation2.58
Residual0.17
Next HW18:43, 13.35
Next LW13:09, 1.13
Highest Date04-02-2026
Highest Value14.02m
Lowest Date21-03-2026
Lowest Value0.33m