Porthleven wave buoy daily averages for May 2026
Daily averages from the Porthleven wave buoy for May 2026, including available wave height, period, direction, wind and sea temperature data.
Period Summary
AI-generated summary. Hog SaysPorthleven wave buoy recorded 1,484 observations across 32 observed days in May 2026. Average wave height was 2.4 ft, ranging from 0.6 to 9.3 ft, while the average wave period was 4.9 seconds, ranging from 3 to 9 seconds; water temperature averaged 13.3°C, from 12.1 to 16.5°C. Wind data were unavailable, and the 13-year same-month averages were 2.8 ft for wave height, 7.7 seconds for wave period and 12.6°C for water temperature.
Generated only from the observations and comparisons shown on this page.
Average Wave Height
Average Wave period
Average Wave Direction
Average Water temperature
Compared With Previous Mays
Historical baseline from 11,163 observations across 13 years.
- Wave Height
- 2.4ft
- 0.4ft below average
- Historical average 2.8ft
- Wave Period
- 4.9s
- 2.8s below average
- Historical average 7.7s
- Water Temperature
- 13.3°C
- 0.7°C above average
- Historical average 12.6°C
Chart showing grouped wave observations for Porthleven. Use the table on this page for a text version of the same measurements. To open hourly observations, use a linked day name in the table.
Sorry, there is no wave data for Fri, May 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.