Start Bay wave buoy monthly averages for 2025
Monthly averages from the Start Bay wave buoy for 2025, including available wave height, period, direction, wind and sea temperature data.
Period Summary
AI-generated summary. Hog SaysIn 2025, Start Bay’s wave buoy recorded 15,284 observations across 322 of 365 days, providing 88% coverage. Wave height averaged 2.2 ft, ranging from 0.3 to 13.8 ft, while wave period averaged 4.2 seconds and ranged from 2 to 10 seconds. Water temperature averaged 13.7°C, ranging from 4.6 to 20.4°C; wind data was unavailable.
Generated only from the observations and comparisons shown on this page.
Average Wave Height
Available for 15,283 of 15,284 observations
Average Wave period
Available for 15,283 of 15,284 observations
Average Wave Direction
Average Water temperature
Chart showing grouped wave observations for Start Bay. Use the table on this page for a text version of the same measurements. To open daily observations, use a linked month name in the table.
Sorry, there is no wave data for Jan 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.