Start Bay wave buoy daily averages for Jan 2025

Daily averages from the Start Bay wave buoy for Jan 2025, including available wave height, period, direction, wind and sea temperature data.

Last observation shown Fri, Jan 31, 2025, 23:00

Data available: Sun, Nov 3, 2013 to Mon, Aug 3, 2026

Monthly averages for 2025

Average Wave Height

3.1ft

0.8 — 13.8ft

Average Wave period

5secs

3 — 9secs

Average Wave Direction

SSE

Average Water temperature

10.4°C

8.7 — 11.2°C

Compared With Previous Januarys

Historical baseline from 8,524 observations across 11 years.

Wave Height: 3.1ft; 0.1ft above average; Historical average 3ft
Wave Period: 5s; 2.8s below average; Historical average 7.8s
Water Temperature: 10.4°C; 0.1°C above average; Historical average 10.3°C

Show min/max ranges

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 Jan 2025last observation shown Jan 2025
Day	Wave height (ft)	Wave Period (s)	Wave Direction	Water Temp (°C)
Jan 1	-	-	-	-
Jan 2	-	-	-	-
Jan 3	-	-	-	-
Jan 4	-	-	-	-
Jan 5	-	-	-	-
Jan 6	-	-	-	-
Jan 7	-	-	-	-
Jan 8	6	5	ESE	11.1
Jan 9	4	7	SE	10.7
Jan 10	4	5	SSE	10.8
Jan 11	3	4	SSE	10.5
Jan 12	3	4	S	10.5
Jan 13	3	4	S	10.5
Jan 14	2	6	S	10.4
Jan 15	2	7	S	10.5
Jan 16	2	7	S	10.6
Jan 17	2	4	S	10.6
Jan 18	2	4	S	10.5
Jan 19	2	4	S	10.4
Jan 20	3	4	S	10.3
Jan 21	2	4	SE	10.2
Jan 22	2	4	SE	10.1
Jan 23	3	4	S	10.2
Jan 24	7	6	S	10.4
Jan 25	3	6	S	9.7
Jan 26	8	5	SSE	10.3
Jan 27	-	-	-	-
Jan 28	-	-	-	-
Jan 29	5	5	ESE	10.2
Jan 30	3	6	SSE	10.1
Jan 31	2	5	S	10.2

The observation data displayed on this page is from the Regional Coastal Monitoring Programme.

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