Start Bay wave buoy observations on Wed, Aug 20, 2025

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

Last observation shown Thu, Aug 21, 2025, 00:30

Oldest observation available Sun, Nov 3, 2013

Daily averages for Aug 2025

Period Summary

Hog Says

Start Bay recorded 48 wave observations on Wednesday, 20 August 2025, covering the period fully; wave heights averaged 3 ft, ranging from 1.3 to 4.1 ft, with periods averaging 4 seconds and ranging from 3 to 5 seconds. Water temperatures averaged 18.4°C, ranging from 18.3 to 18.5°C; no wind observations were available.

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 Wed, Aug 20, 2025last observation shown Thu, Aug 21, 2025
Hour	Wave height (ft)	Wave Period (s)	Wave Direction	Water Temp (°C)
Wed 01:00	1	3	E	18.4
Wed 01:30	2	3	E	18.5
Wed 02:00	2	3	E	18.5
Wed 02:30	2	3	E	18.5
Wed 03:00	2	3	E	18.5
Wed 03:30	2	3	E	18.4
Wed 04:00	3	3	E	18.4
Wed 04:30	3	4	ENE	18.4
Wed 05:00	2	4	ENE	18.4
Wed 05:30	3	4	ENE	18.4
Wed 06:00	3	4	ENE	18.4
Wed 06:30	3	4	ENE	18.4
Wed 07:00	4	4	E	18.4
Wed 07:30	4	4	E	18.4
Wed 08:00	4	4	E	18.3
Wed 08:30	4	4	E	18.4
Wed 09:00	4	5	E	18.3
Wed 09:30	4	4	E	18.3
Wed 10:00	4	4	E	18.4
Wed 10:30	4	4	E	18.4
Wed 11:00	4	4	E	18.4
Wed 11:30	4	4	ESE	18.4
Wed 12:00	4	4	E	18.4
Wed 12:30	4	4	ESE	18.4
Wed 13:00	4	4	E	18.4
Wed 13:30	4	5	ESE	18.5
Wed 14:00	4	5	E	18.5
Wed 14:30	4	5	E	18.5
Wed 15:00	3	5	E	18.5
Wed 15:30	4	5	E	18.5
Wed 16:00	4	5	E	18.5
Wed 16:30	3	4	E	18.5
Wed 17:00	3	5	E	18.5
Wed 17:30	3	4	E	18.5
Wed 18:00	3	5	E	18.5
Wed 18:30	3	4	E	18.5
Wed 19:00	3	4	E	18.5
Wed 19:30	3	4	E	18.5
Wed 20:00	3	4	E	18.5
Wed 20:30	3	4	E	18.4
Wed 21:00	3	4	E	18.4
Wed 21:30	3	4	E	18.4
Wed 22:00	3	4	E	18.4
Wed 22:30	2	4	E	18.4
Wed 23:00	2	4	ENE	18.4
Wed 23:30	2	4	E	18.4
Thu 00:00	2	4	ESE	18.4
Thu 00:30	2	4	E	18.4

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

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