Start Bay wave buoy daily averages for Aug 2025
Daily averages from the Start Bay wave buoy for Aug 2025, including available wave height, period, direction, wind and sea temperature data.
Period Summary
AI-generated summary. Hog SaysIn August 2025, Start Bay recorded 1,485 wave buoy observations across 32 observed days, representing 103% coverage of the 31-day period. Average wave height was 1.8 ft and period 4 seconds, while water temperature averaged 18.1°C; no wind figures were available.
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 Augusts
Historical baseline from 8,896 observations across 11 years.
- Wave Height
- 1.8ft
- 0.3ft above average
- Historical average 1.5ft
- Wave Period
- 4s
- 1.6s below average
- Historical average 5.6s
- Water Temperature
- 18.1°C
- 1.2°C above average
- Historical average 16.9°C
Chart showing grouped wave observations for Start 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 Fri, Aug 1, 2025
About Start Bay wave buoy
Start Bay is a Datawell Directional WaveRider station off the south Devon coast. First deployed in April 2007, it measures waves entering the bay between Start Point and the Dartmouth approaches. Available observations include wave height, period and direction, sea temperature and calculated wave power.