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 Limited

Latest Wave Data
Date/Time (GMT)16-07-2024 04:30
Wave Height (m)0.45
Max Wave Height (m)0.69
Tpeak (s)5
Tz (s)4.7
Peak Direction (degrees)173
Spread (degrees)17
Sea Temp (°C)16
Energy Period (s)5.9
Wave Power (kW/m)0.59