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)19-02-2026 00:00
Latitude-
Longitude-
Wave Height (m)0.11
Max Wave Height (m)0.17
Tpeak (s)6.7
Tz (s)1.9
Peak Direction (degrees)-
Spread (degrees)-
Sea Temp (°C)-
Energy Period (s)-
Wave Power (kW/m)-

Latest Tide Data

Latest Tide data
Time (GMT)19-02-2026 00:50
Elevation4.15
Residual-0.13
Next HW08:33, 13.48
Next LW03:04, 1
Highest Date04-02-2026
Highest Value14.02m
Lowest Date03-02-2026
Lowest Value0.75m