West Bay wave buoy daily averages for Sep 2025
Daily averages from the West Bay 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, West Bay recorded 1,426 observations across 31 observed days, with average wave heights of 3.4 ft and periods of 4.6 seconds. Wave heights ranged from 0.6 to 9.7 ft, periods from 3 to 10 seconds, and water temperatures from 15.5 to 18.9°C, averaging 17.4°C. Wind measurements were unavailable; across 11 historical same-month years, average wave height was 2.3 ft, period 5.9 seconds and water temperature 17.6°C.
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 8,727 observations across 11 years.
- Wave Height
- 3.4ft
- 1.1ft above average
- Historical average 2.3ft
- Wave Period
- 4.6s
- 1.3s below average
- Historical average 5.9s
- Water Temperature
- 17.4°C
- 0.2°C below average
- Historical average 17.6°C
Chart showing grouped wave observations for West Bay. 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 West Bay wave buoy
West Bay is a Datawell Directional WaveRider station off the Dorset coast near Bridport. First deployed in November 2006, it measures waves approaching the exposed section of Lyme Bay around West Bay. Available observations include wave height, period and direction, sea temperature and calculated wave power.