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Start Bay wave buoy daily averages for Nov 2025

Daily averages from the Start Bay wave buoy for Nov 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

Start Bay wave buoy observations for November 2025 covered 27 of 30 days, with 1,271 observations. Average wave height was 2.9 ft, ranging from 0.6 to 8.4 ft, and the average wave period was 4.8 seconds, ranging from 2 to 9 seconds. Water temperature averaged 13.6°C, with observations ranging from 4.6 to 14.4°C; wind data were unavailable.

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

Average Wave Height

2.9ft
Observed range: 0.6 — 8.4ft

Average Wave period

4.8secs
Observed range: 2 — 9secs

Average Wave Direction

SSE

Average Water temperature

13.6°C
Observed range: 4.6 — 14.4°C

Compared With Previous Novembers

Historical baseline from 9,165 observations across 12 years.

Wave Height
2.9ft
In line with the historical average
Historical average 2.9ft
Wave Period
4.8s
2s below average
Historical average 6.8s
Water Temperature
13.6°C
0.1°C below average
Historical average 13.7°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.

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 Nov 2025last observation shown
DayWave height (ft)Wave Period (s)Wave DirectionWater Temp (°C)
46S14.1
36S14.0
44S14.0
55SSE14.1
55SSE14.2
36S14.1
35SSE14.1
26S14.0
45S14.1
35S14.0
55SSE14.0
55SSE14.1
35S14.1
34SE14.1
24SE14.1
44ESE14.0
34E13.7
15SSE13.3
14ESE13.3
15SE12.3
14ESE12.8
-5SSE12.8
25S12.7
25S12.8
15S12.6
24S12.4
34SSW12.8
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The observation data displayed on this page is from the Regional Coastal Monitoring Programme.

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