Start Bay wave buoy observations on Sat, Sep 20, 2025

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

Last observation shown Sun, Sep 21, 2025, 00:30

Oldest observation available Sun, Nov 3, 2013

Daily averages for Sep 2025

Period Summary

Hog Says

Start Bay recorded 48 wave buoy observations on 20 September 2025, with 100% coverage. Wave heights averaged 2.1 ft (1–3.4 ft), periods averaged 4.3 seconds (3–6 seconds), and water temperatures averaged 15.7°C (15.6–15.8°C); no wind data 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 Sat, Sep 20, 2025last observation shown Sun, Sep 21, 2025
Hour	Wave height (ft)	Wave Period (s)	Wave Direction	Water Temp (°C)
Sat 01:00	1	4	S	15.8
Sat 01:30	1	4	S	15.8
Sat 02:00	1	3	SSE	15.8
Sat 02:30	1	3	S	15.8
Sat 03:00	1	3	SW	15.7
Sat 03:30	1	3	SE	15.7
Sat 04:00	1	3	S	15.7
Sat 04:30	1	3	S	15.7
Sat 05:00	1	3	S	15.7
Sat 05:30	1	4	S	15.7
Sat 06:00	1	4	S	15.7
Sat 06:30	1	4	S	15.6
Sat 07:00	2	5	S	15.6
Sat 07:30	2	5	S	15.7
Sat 08:00	2	4	S	15.6
Sat 08:30	2	4	S	15.7
Sat 09:00	2	4	S	15.7
Sat 09:30	2	4	S	15.7
Sat 10:00	2	4	S	15.7
Sat 10:30	2	3	SSE	15.7
Sat 11:00	2	4	S	15.7
Sat 11:30	2	4	SSE	15.7
Sat 12:00	2	4	S	15.7
Sat 12:30	2	4	S	15.7
Sat 13:00	3	4	S	15.8
Sat 13:30	3	4	S	15.7
Sat 14:00	3	4	S	15.7
Sat 14:30	3	4	S	15.7
Sat 15:00	3	4	S	15.7
Sat 15:30	3	4	SSE	15.8
Sat 16:00	3	3	S	15.7
Sat 16:30	3	3	S	15.7
Sat 17:00	3	3	SSE	15.7
Sat 17:30	2	3	S	15.7
Sat 18:00	2	4	S	15.7
Sat 18:30	2	4	S	15.7
Sat 19:00	3	5	S	15.7
Sat 19:30	3	6	S	15.7
Sat 20:00	3	6	S	15.7
Sat 20:30	3	6	S	15.7
Sat 21:00	3	6	S	15.7
Sat 21:30	3	6	S	15.7
Sat 22:00	3	6	S	15.6
Sat 22:30	2	6	SSE	15.7
Sat 23:00	2	6	S	15.7
Sat 23:30	2	6	S	15.6
Sun 00:00	2	6	S	15.6
Sun 00:30	1	6	S	15.6

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

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