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Start Bay wave buoy daily averages for Jun 2025

Daily averages from the Start Bay wave buoy for Jun 2025, 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 June 2025, Start Bay’s wave buoy recorded 1,437 observations across 31 observed days, exceeding the 30 calendar days (103% coverage). Average wave height was 1.3 ft and period 3.8 seconds, while water temperature averaged 14.8°C; wind fields were unavailable.

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

Average Wave Height

1.3ft
Observed range: 0.4 — 3.6ft

Average Wave period

3.8secs
Observed range: 2 — 6secs

Average Wave Direction

SSE

Average Water temperature

14.8°C
Observed range: 13.6 — 18.1°C

Compared With Previous Junes

Historical baseline from 9,204 observations across 11 years.

Wave Height
1.3ft
0.2ft below average
Historical average 1.5ft
Wave Period
3.8s
2.1s below average
Historical average 5.9s
Water Temperature
14.8°C
0.3°C above average
Historical average 14.5°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 Jun 2025last observation shown
DayWave height (ft)Wave Period (s)Wave DirectionWater Temp (°C)
14S13.8
14S14.0
24S14.0
14S14.0
24S13.9
14S13.9
24S13.9
14S13.8
14S13.9
13S13.9
24ESE13.9
34ESE14.2
24S14.4
14S14.3
14S14.4
14SSE14.7
13SSE14.7
14S15.7
13ESE15.9
24E16.6
24ESE17.0
13S16.9
14S15.6
14S15.0
14SSE15.0
13S14.9
14SSE15.0
14S15.2
15S15.4
14S15.4
The observation data displayed on this page is from the Regional Coastal Monitoring Programme.

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