Start Bay wave buoy daily averages for May 2021
Daily averages from the Start Bay wave buoy for May 2021, including available wave height, period, direction, wind and sea temperature data.
Period Summary
AI-generated summary. Hog SaysIn May 2021, Start Bay recorded 721 wave buoy observations across 32 observed days, with full-period coverage. Average wave height was 2.2 ft and average wave period 4.4 seconds; wave heights ranged from 0.4 to 7.6 ft and periods from 3 to 8 seconds. Average water temperature was 11°C, ranging from 10 to 13.4°C, while recorded wind speed was 0 mph throughout.
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 Mays
Historical baseline from 4,962 observations across 7 years.
- Wave Height
- 2.2ft
- 0.4ft above average
- Historical average 1.8ft
- Wave Period
- 4.4s
- 3.6s below average
- Historical average 8s
- Water Temperature
- 11°C
- 1°C below average
- Historical average 12°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, May 1, 2021
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.