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Start Bay wave buoy daily averages for Sep 2020

Daily averages from the Start Bay wave buoy for Sep 2020, including available wave height, period, direction, wind and sea temperature data.

Last observation shown

Data available:  to 

Monthly averages for

Latest

Period Summary

AI-generated summary. Hog Says

In September 2020, Start Bay recorded 148 wave-buoy observations across 7 of 30 days (23% coverage). Average wave height was 1.1 ft (range 0.6–2.8 ft), with a 7.6-second period (2–13 seconds) and water temperature averaging 16.8°C (16.6–17.2°C); wind observations were unavailable. Across six comparable Septembers, average wave height was 2 ft, wave period 7.8 seconds and water temperature 16.9°C.

Generated only from the observations and comparisons shown on this page.

Average Wave Height

1.1ft
Observed range: 0.6 — 2.8ft

Average Wave period

7.6secs
Observed range: 2 — 13secs

Available for 144 of 148 observations

Average Wave Direction

S

Average Water temperature

16.8°C
Observed range: 16.6 — 17.2°C

Compared With Previous Septembers

Historical baseline from 4,104 observations across 6 years.

Wave Height
1.1ft
0.9ft below average
Historical average 2ft
Wave Period
7.6s
0.2s below average
Historical average 7.8s
Water Temperature
16.8°C
0.1°C below 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.

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.

Start Bay wave buoy daily averages Sep 2020last observation shown
DayWave height (ft)Wave Period (s)Wave DirectionWater Temp (°C)
16SSE16.9
15SSE16.9
26S16.9
19S16.8
111S16.8
19S16.7
17SSE16.7
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The observation data displayed on this page is from the Regional Coastal Monitoring Programme.

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