Start Bay wave buoy daily averages for Sep 2021
Daily averages from the Start Bay wave buoy for Sep 2021, including available wave height, period, direction, wind and sea temperature data.
Period Summary
AI-generated summary. Hog SaysIn September 2021, Start Bay recorded 720 observations across 31 observed days, with average waves of 1.7 ft and periods of 4.3 seconds. Water temperature averaged 17.3°C, while recorded wind speed was 0 mph; across seven historical same-month years, averages were 1.9 ft waves, 7.8-second periods and 16.9°C water.
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 Septembers
Historical baseline from 4,252 observations across 7 years.
- Wave Height
- 1.7ft
- 0.2ft below average
- Historical average 1.9ft
- Wave Period
- 4.3s
- 3.5s below average
- Historical average 7.8s
- Water Temperature
- 17.3°C
- 0.4°C above average
- Historical average 16.9°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, Sep 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.