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.

Start Bay


Live wave 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 Marine Ltd

Latest Wave Data
Date/Time (GMT)28-09-2023 20:00
Wave Height (m)1.14
Max Wave Height (m)1.7
Tpeak (s)10
Tz (s)4.5
Peak Direction (degrees)174
Spread (degrees)23
Sea Temp (°C)16.7
Energy Period (s)6.4
Wave Power (kW/m)4.08