Start Bay wave buoy daily averages for Apr 2026
Daily averages from the Start Bay wave buoy for Apr 2026, including available wave height, period, direction, wind and sea temperature data.
Period Summary
AI-generated summary. Hog SaysIn April 2026, Start Bay recorded 1,433 wave buoy observations across 31 observed days, compared with 30 calendar days. Average wave height was 3.1 ft, ranging from 0.7 to 9.4 ft, and average wave period was 4.5 seconds, ranging from 2 to 7 seconds; water temperature averaged 11.5°C, from 10.5 to 14.6°C. No wind observations 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 Aprils
Historical baseline from 10,061 observations across 12 years.
- Wave Height
- 3.1ft
- 0.8ft above average
- Historical average 2.3ft
- Wave Period
- 4.5s
- 2s below average
- Historical average 6.5s
- Water Temperature
- 11.5°C
- 0.9°C above average
- Historical average 10.6°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 Wed, Apr 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.