Porthleven wave buoy monthly averages for 2026
Monthly averages from the Porthleven wave buoy for 2026, including available wave height, period, direction, wind and sea temperature data.
Average Wave Height
Available for 9,950 of 9,952 observations
Average Wave period
Available for 9,950 of 9,952 observations
Average Wave Direction
Average Water temperature
Chart showing grouped wave observations for Porthleven. Use the table on this page for a text version of the same measurements. To open daily observations, use a linked month name in the table.
Sorry, there is no wave data for Jan 2026
About Porthleven wave buoy
Porthleven is a Datawell Directional WaveRider station off Cornwall's exposed south coast. First deployed by the National Network in October 2011, it measures waves approaching the Porthleven frontage from the western English Channel. Observations include wave height, period and direction, sea temperature and calculated wave power.