Folkestone wave buoy daily averages for Sep 2025
Daily averages from the Folkestone wave buoy for Sep 2025, including available wave height, period, direction, wind and sea temperature data.
Period Summary
AI-generated summary. Hog SaysIn September 2025, the Folkestone wave buoy recorded 1,433 observations across 31 observed days, against 30 calendar days. Average wave height was 2.2 ft, ranging from 0.4 to 6.2 ft, and average wave period was 3.6 seconds, ranging from 2 to 5 seconds; water temperature averaged 17.8°C, from 16 to 19.5°C. No wind observations were supplied.
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 Septembers
Historical baseline from 8,278 observations across 11 years.
- Wave Height
- 2.2ft
- 0.6ft below average
- Historical average 2.8ft
- Wave Period
- 3.6s
- 1s below average
- Historical average 4.6s
- Water Temperature
- 17.8°C
- 0.4°C below average
- Historical average 18.2°C
Chart showing grouped wave observations for Folkestone. 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 Mon, Sep 1, 2025
About Folkestone wave buoy
Folkestone is a Datawell Directional WaveRider station in about 13 metres of water off the Kent coast. Deployed in July 2003, it measures waves approaching the eastern English Channel close to Folkestone and the Dover Strait. Observations include wave height, period and direction, sea temperature and calculated wave power; a separate shore station supplies weather data.