Start Bay wave buoy daily averages for May 2026
Daily averages from the Start Bay wave buoy for May 2026, including available wave height, period, direction, wind and sea temperature data.
Period Summary
AI-generated summary. Hog SaysIn May 2026, Start Bay recorded 1,486 observations across 32 observed days, representing 103% coverage of the 31 calendar days. Average wave height was 1.5 ft and period 4.1 seconds, while water temperature averaged 13.5°C; no wind observations were supplied. Across 12 historical May periods, average wave height was 1.7 ft, period 5.8 seconds and water temperature 12.4°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 Mays
Historical baseline from 10,835 observations across 12 years.
- Wave Height
- 1.5ft
- 0.2ft below average
- Historical average 1.7ft
- Wave Period
- 4.1s
- 1.7s below average
- Historical average 5.8s
- Water Temperature
- 13.5°C
- 1.1°C above average
- Historical average 12.4°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, May 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.