Bracklesham Bay wave buoy observations on Thu, Aug 20, 2026

Hourly readings from the Bracklesham Bay wave buoy for Thu, Aug 20, 2026, including available wave height, period, direction, wind and sea temperature data.

Last observation shown Thu, Aug 20, 2026, 23:30

Oldest observation available Fri, Aug 22, 2008

Daily means for Aug 2026

Period Summary

Hog Says

48 wave-buoy observations were recorded during the day. Typical wave height was 3.3 ft (10th–90th percentile 2.9–4.1 ft), while mean peak wave period was 5.7 seconds (10th–90th percentile 5–6.6 seconds). Typical provider-reported wave power was 2.4 kW/m (10th–90th percentile 1.7–3.8 kW/m). Mean water temperature was 21.6°C (10th–90th percentile 21.5–21.6°C). All 192 checked values passed quality control.

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

About Bracklesham Bay wave buoy

Bracklesham Bay is a Channel Coastal Observatory National Network wave station off the West Sussex coast. Its nearshore position records conditions entering the broad bay between Selsey and Hayling Island, supporting coastal management along an exposed beach frontage west of Chichester Harbour.

Its current data source reports wave height, wave period, wave direction, directional spread, wave power and sea temperature.

Bracklesham Bay wave buoy hourly observations Thu, Aug 20, 2026Last observation shown Thu, Aug 20, 2026
Metric	Thu 00:00	Thu 00:30	Thu 01:00	Thu 01:30	Thu 02:00	Thu 02:30	Thu 03:00	Thu 03:30	Thu 04:00	Thu 04:30	Thu 05:00	Thu 05:30	Thu 06:00	Thu 06:30	Thu 07:00	Thu 07:30	Thu 08:00	Thu 08:30	Thu 09:00	Thu 09:30	Thu 10:00	Thu 10:30	Thu 11:00	Thu 11:30	Thu 12:00	Thu 12:30	Thu 13:00	Thu 13:30	Thu 14:00	Thu 14:30	Thu 15:00	Thu 15:30	Thu 16:00	Thu 16:30	Thu 17:00	Thu 17:30	Thu 18:00	Thu 18:30	Thu 19:00	Thu 19:30	Thu 20:00	Thu 20:30	Thu 21:00	Thu 21:30	Thu 22:00	Thu 22:30	Thu 23:00	Thu 23:30
Significant wave height (ft)	3	3	3	3	3	3	3	3	3	3	3	3	4	3	3	3	3	3	3	3	3	3	3	3	4	3	3	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	3	3	3	3	3
Maximum wave height (ft)	5	5	5	4	5	5	5	5	6	6	7	6	4	5	5	6	4	5	5	5	5	5	6	5	5	6	6	6	7	7	7	7	7	7	7	7	6	5	7	6	6	5	4	5	4	5	4	3
Peak period (s)	6	5	5	5	6	5	6	6	5	5	6	6	6	6	6	6	6	7	6	7	7	6	6	6	6	5	6	4	4	4	5	4	6	5	6	6	6	5	7	6	7	6	7	7	7	7	7	6
Zero-crossing period (s)	4	4	4	3	3	3	4	4	4	3	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4
Energy period (s)	4	4	4	4	4	4	4	4	4	4	4	4	5	5	5	5	5	5	5	5	5	5	5	5	5	4	4	4	4	4	5	4	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5
Wave power, kilowatts per metre	1.86	1.93	1.89	1.51	1.54	1.31	1.52	1.64	1.9	1.79	2.34	2.32	2.96	2.21	2.28	1.92	2.21	2.08	1.96	2.12	2.67	2.32	2.32	2.5	2.65	1.98	2.17	2.6	3.05	2.98	3.37	3.1	3.55	4.14	4.16	3.54	3.86	4.07	3.82	3.25	3.6	3.55	3.28	2.78	2.78	2.23	2.03	2.02
Peak wave direction	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SSW	SSW	SW	SW	SW	SW	SW	SW	SSW	SW	SSW	SW	SW	SW	SW	SSW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SSW	SW	SW	SW	SW	SSW	SSW	SSW	SW	SW
Directional spread (°)	18.5	15.7	17.2	13.5	19.2	21.0	17.3	17.2	16.0	19.5	14.3	17.5	16.9	19.7	17.2	14.7	17.2	24.1	16.2	19.2	18.9	21.3	17.8	21.0	16.3	17.7	22.6	13.9	13.8	14.8	14.7	18.0	15.1	14.4	15.2	16.9	20.9	15.1	16.6	15.0	17.3	20.5	22.8	27.9	23.4	26.3	21.6	17.3
Water temperature(°C)	21.8	21.8	21.6	21.6	21.6	21.6	21.5	21.5	21.5	21.5	21.5	21.5	21.5	21.5	21.6	21.5	21.5	21.5	21.5	21.6	21.5	21.6	21.6	21.6	21.6	21.5	21.5	21.6	21.5	21.5	21.5	21.5	21.5	21.5	21.5	21.5	21.6	21.5	21.6	21.6	21.6	21.6	21.5	21.5	21.5	21.5	21.5	21.5

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

Learn how SurfHog combines, checks and summarizes observations in the data and methodology notes.

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