Penzance wave buoy daily averages for Sep 2025
Daily averages from the Penzance wave buoy for Sep 2025, 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 Septembers
Historical baseline from 10,618 observations across 14 years.
- Wave Height
- 2.4ft
- 0.7ft above average
- Historical average 1.7ft
- Wave Period
- 4.3s
- 2.5s below average
- Historical average 6.8s
- Water Temperature
- 15.7°C
- 0.2°C below average
- Historical average 15.9°C
Chart showing grouped wave observations for Penzance. 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 Mon, Sep 1, 2025
About Penzance wave buoy
Penzance is a Datawell Directional WaveRider station in Mount's Bay off west Cornwall. First deployed by the National Network in April 2007, it records the comparatively sheltered wave climate on the bay's western side. Available observations include wave height, period and direction, sea temperature and calculated wave power.