West Bay wave buoy daily averages for Dec 2025
Daily averages from the West Bay wave buoy for Dec 2025, including available wave height, period, direction, wind and sea temperature data.
Period Summary
AI-generated summary. Hog SaysIn December 2025, West Bay’s wave buoy recorded 1,475 observations across all 31 days. Average wave height was 4.5 ft, ranging from 0.8 to 13.6 ft, while the average wave period was 5.1 seconds, ranging from 2 to 9 seconds. Water temperature averaged 11.1°C, with no wind observations 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 Decembers
Historical baseline from 10,241 observations across 12 years.
- Wave Height
- 4.5ft
- 0.3ft above average
- Historical average 4.2ft
- Wave Period
- 5.1s
- 1.9s below average
- Historical average 7s
- Water Temperature
- 11.1°C
- 0.4°C above average
- Historical average 10.7°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, Dec 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.