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.

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
Latitude-
Longitude-
Wave Height (m)0.06
Max Wave Height (m)0.11
Tpeak (s)-
Tz (s)2
Peak Direction (degrees)-
Spread (degrees)-
Sea Temp (°C)-
Energy Period (s)-
Wave Power (kW/m)-

Latest Tide Data

Latest Tide data
Date/Time (GMT)19-02-2025 22:20
Elevation10.75
Residual0.17
Next HW23:08, 10.93
Next LW05:31, 2.64
Highest Date01-02-2025
Highest Value13.75m
Lowest Date01-02-2025
Lowest Value0.58m