Start Bay wave buoy daily averages for Dec 2024

Daily averages from the Start Bay wave buoy for Dec 2024, including available wave height, period, direction, wind and sea temperature data.

Last observation shown Fri, Dec 27, 2024, 13:00

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

Monthly averages for 2024

Average Wave Height

2.7ft

0.6 — 7.5ft

Average Wave period

4.8secs

2 — 8secs

Average Wave Direction

SSE

Average Water temperature

12.1°C

10.8 — 13.5°C

Compared With Previous Decembers

Historical baseline from 8,753 observations across 11 years.

Wave Height: 2.7ft; 0.5ft below average; Historical average 3.2ft
Wave Period: 4.8s; 2.9s below average; Historical average 7.7s
Water Temperature: 12.1°C; 0.5°C above average; Historical average 11.6°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 Dec 2024last observation shown Dec 2024
Day	Wave height (ft)	Wave Period (s)	Wave Direction	Water Temp (°C)
Dec 1	4	5	SSE	13.5
Dec 2	2	6	S	13.3
Dec 3	1	5	S	13.0
Dec 4	3	4	S	13.1
Dec 5	4	4	S	13.3
Dec 6	3	5	S	13.1
Dec 7	4	4	S	13.0
Dec 8	2	3	SSE	12.7
Dec 9	5	5	E	12.4
Dec 10	7	5	E	12.2
Dec 11	5	5	E	11.8
Dec 12	5	4	E	11.6
Dec 13	2	4	ESE	11.5
Dec 14	1	6	S	11.5
Dec 15	1	4	S	11.6
Dec 16	1	4	SSE	11.7
Dec 17	4	4	SSE	11.8
Dec 18	6	5	S	12.0
Dec 19	2	6	S	11.9
Dec 20	2	6	S	11.7
Dec 21	2	4	S	11.8
Dec 22	2	5	S	11.7
Dec 23	1	6	S	11.4
Dec 24	1	5	S	11.6
Dec 25	1	6	S	11.6
Dec 26	1	6	S	11.4
Dec 27	1	4	S	11.7
Dec 28	-	-	-	-
Dec 29	-	-	-	-
Dec 30	-	-	-	-
Dec 31	-	-	-	-

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

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