Start Bay wave buoy daily averages for Dec 2018
Daily averages from the Start Bay wave buoy for Dec 2018, including available wave height, period, direction, wind and sea temperature data.
Period Summary
AI-generated summary. Hog SaysIn December 2018, Start Bay’s wave buoy recorded 740 observations across all 31 days. Average wave height was 3.5 ft, ranging from 0.5 to 11.3 ft, and average wave period was 9.5 seconds, ranging from 3 to 20 seconds; water temperature averaged 11.9°C, ranging from 10.6 to 12.7°C.
Generated only from the observations and comparisons shown on this page.
Average Wave Height
Average Wave period
Available for 728 of 740 observations
Average Wave Direction
Average Water temperature
Compared With Previous Decembers
Historical baseline from 3,691 observations across 5 years.
- Wave Height
- 3.5ft
- 0.4ft above average
- Historical average 3.1ft
- Wave Period
- 9.5s
- 0.1s below average
- Historical average 9.6s
- Water Temperature
- 11.9°C
- 0.2°C above average
- Historical average 11.7°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, Dec 1, 2018
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.