Start Bay wave buoy daily averages for Aug 2026
Daily averages from the Start Bay wave buoy for Aug 2026, including available wave height, period, direction, wind and sea temperature data.
Average Wave Height
0.7ft
Observed range: 0.4 — 1ft
Average Wave period
3.5secs
Observed range: 3 — 4secs
Average Wave Direction
S
Average Water temperature
18.4°C
Observed range: 18.2 — 18.6°C
Compared With Previous Augusts
Historical baseline from 10,381 observations across 12 years.
- Wave Height
- 0.7ft
- 0.8ft below average
- Historical average 1.5ft
- Wave Period
- 3.5s
- 1.8s below average
- Historical average 5.3s
- Water Temperature
- 18.4°C
- 1.3°C above average
- Historical average 17.1°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 Sat, Aug 1, 2026
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.
The observation data displayed on this page is from the Regional Coastal Monitoring Programme.