Porthleven wave buoy daily averages for Jul 2026
Daily averages from the Porthleven wave buoy for Jul 2026, including available wave height, period, direction, wind and sea temperature data.
Average Wave Height
Average Wave period
Average Wave Direction
Average Water temperature
Compared With Previous Julys
Historical baseline from 11,532 observations across 13 years.
- Wave Height
- 1.6ft
- 1ft below average
- Historical average 2.6ft
- Wave Period
- 4.9s
- 2.1s below average
- Historical average 7s
- Water Temperature
- 16.8°C
- 0.9°C above average
- Historical average 15.9°C
Chart showing grouped wave observations for Porthleven. Use the table on this page for a text version of the same measurements. Click a day to show hourly observations for that day.
Sorry, there is no wave data for Wed, Jul 1, 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.