Start Bay wave buoy observations on Mon, Apr 20, 2026

Hourly readings from the Start Bay wave buoy for Mon, Apr 20, 2026, including available wave height, period, direction, wind and sea temperature data.

Last observation shown Tue, Apr 21, 2026, 00:30

Oldest observation available Sun, Nov 3, 2013

Daily averages for Apr 2026

Period Summary

Hog Says

Start Bay recorded 48 wave buoy observations on 20 April 2026, with 100% coverage and no partial period reported. Wave heights averaged 2.8 ft (0.9–4.3 ft), periods averaged 3.6 seconds (3–4 seconds), and water temperature averaged 11.5°C (11.4–11.6°C); wind data were unavailable.

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, Apr 20, 2026last observation shown Tue, Apr 21, 2026
Hour	Wave height (ft)	Wave Period (s)	Wave Direction	Water Temp (°C)
Mon 01:00	1	4	ESE	11.5
Mon 01:30	1	4	ESE	11.5
Mon 02:00	1	4	ESE	11.5
Mon 02:30	1	4	ESE	11.5
Mon 03:00	1	3	ESE	11.5
Mon 03:30	1	3	SE	11.5
Mon 04:00	1	3	ESE	11.4
Mon 04:30	1	3	ESE	11.5
Mon 05:00	1	3	E	11.5
Mon 05:30	1	3	E	11.4
Mon 06:00	2	3	E	11.5
Mon 06:30	2	3	E	11.5
Mon 07:00	2	3	E	11.5
Mon 07:30	2	3	ENE	11.4
Mon 08:00	2	3	E	11.4
Mon 08:30	2	3	E	11.4
Mon 09:00	2	3	E	11.4
Mon 09:30	2	3	E	11.4
Mon 10:00	2	3	E	11.5
Mon 10:30	3	3	ESE	11.5
Mon 11:00	3	4	E	11.5
Mon 11:30	3	4	E	11.5
Mon 12:00	3	3	E	11.5
Mon 12:30	3	3	E	11.6
Mon 13:00	4	4	E	11.6
Mon 13:30	3	4	E	11.6
Mon 14:00	3	4	ESE	11.6
Mon 14:30	3	4	ESE	11.6
Mon 15:00	3	4	ESE	11.6
Mon 15:30	4	4	E	11.6
Mon 16:00	4	4	E	11.6
Mon 16:30	4	4	ESE	11.6
Mon 17:00	4	4	ESE	11.6
Mon 17:30	4	4	ESE	11.6
Mon 18:00	4	4	ESE	11.6
Mon 18:30	4	4	ESE	11.6
Mon 19:00	4	4	ESE	11.6
Mon 19:30	4	4	ESE	11.6
Mon 20:00	4	4	E	11.6
Mon 20:30	4	4	ESE	11.6
Mon 21:00	4	4	ESE	11.6
Mon 21:30	3	4	E	11.6
Mon 22:00	3	4	ESE	11.5
Mon 22:30	4	4	E	11.5
Mon 23:00	4	4	E	11.5
Mon 23:30	4	4	ESE	11.5
Tue 00:00	4	4	E	11.5
Tue 00:30	4	4	E	11.5

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

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