Start Bay wave buoy observations on Mon, Oct 20, 2025

Hourly readings from the Start Bay wave buoy for Mon, Oct 20, 2025, including available wave height, period, direction, wind and sea temperature data.

Last observation shown Tue, Oct 21, 2025, 00:30

Oldest observation available Sun, Nov 3, 2013

Daily averages for Oct 2025

Period Summary

Hog Says

On Monday 20 October 2025, Start Bay recorded 43 wave observations, with heights averaging 3.9 ft and ranging from 2.5 to 5.4 ft. Wave periods averaged 5.2 seconds, ranging from 4 to 7 seconds, while water temperatures averaged 15.3°C; no wind observations were supplied.

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

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 hourly observations Mon, Oct 20, 2025last observation shown Tue, Oct 21, 2025
Hour	Wave height (ft)	Wave Period (s)	Wave Direction	Water Temp (°C)
Mon 01:00	3	4	SSE	15.3
Mon 01:30	3	4	SSE	15.3
Mon 02:00	3	4	SSE	15.2
Mon 02:30	3	4	S	15.3
Mon 03:00	3	4	SSE	15.3
Mon 03:30	3	4	SSE	15.3
Mon 04:00	3	4	S	15.3
Mon 04:30	3	4	S	15.3
Mon 05:00	3	4	S	15.3
Mon 05:30	3	4	S	15.2
Mon 06:00	4	4	S	15.3
Mon 06:30	4	4	S	15.3
Mon 07:00	-	-	-	-
Mon 07:30	-	-	-	-
Mon 08:00	5	5	S	15.4
Mon 08:30	5	5	S	15.4
Mon 09:00	5	5	S	15.4
Mon 09:30	5	5	S	15.3
Mon 10:00	5	5	S	15.3
Mon 10:30	5	5	S	15.4
Mon 11:00	5	5	S	15.4
Mon 11:30	5	5	S	15.4
Mon 12:00	4	6	S	15.4
Mon 12:30	4	5	S	15.4
Mon 13:00	4	5	S	15.4
Mon 13:30	4	5	SSW	15.3
Mon 14:00	4	5	S	15.3
Mon 14:30	3	5	SSW	15.2
Mon 15:00	3	5	S	15.3
Mon 15:30	3	5	SSW	15.3
Mon 16:00	4	5	S	15.3
Mon 16:30	4	6	S	15.3
Mon 17:00	-	-	-	-
Mon 17:30	-	-	-	-
Mon 18:00	-	-	-	-
Mon 18:30	5	7	S	15.3
Mon 19:00	5	7	SSW	15.3
Mon 19:30	5	7	S	15.3
Mon 20:00	4	7	S	15.3
Mon 20:30	4	6	S	15.3
Mon 21:00	4	6	S	15.3
Mon 21:30	4	6	S	15.3
Mon 22:00	4	7	S	15.3
Mon 22:30	4	7	S	15.3
Mon 23:00	3	6	S	15.3
Mon 23:30	3	6	S	15.3
Tue 00:00	3	5	S	15.2
Tue 00:30	3	5	S	15.3

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

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