Bracklesham Bay wave buoy daily means for Oct 2015

Daily means from the Bracklesham Bay wave buoy for Oct 2015, including available wave height, period, direction, wind and sea temperature data.

Last observation shown Sat, Oct 31, 2015, 23:30

Data available: Fri, Aug 22, 2008 to Sat, Aug 22, 2026

Monthly means for 2015

Period Summary

Hog Says

1,490 wave-buoy observations covered all 31 days. Typical wave height was 1.4 ft (10th–90th percentile 0.6–3.6 ft), while mean average of more than one wave period type was 7 seconds (10th–90th percentile 3.1–13.8 seconds). Mean water temperature was 14.3°C (10th–90th percentile 13.3–15.4°C). 13 of 5,768 checked values (0.2%) were excluded by quality control. Across 5 comparable years, mean wave height was below the same-month mean of 2.9 ft and mean wave period was below the same-month mean of 7.1 seconds.

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

Typical Significant Wave Height

1.4ft

Mean: 1.8 ft

P10–P90: 0.6 — 3.6 ft

Recorded extremes

0.3 — 7.3 ft

Mean Observed Wave Period

7secs

P10–P90: 3.1 — 13.8secs

Recorded extremes

1.7 — 22.2secs

Observed Wave Direction

SSW

Circular concentration: 84%

Mean Water Temperature

14.3°C

P10–P90: 13.3 — 15.4°C

Recorded extremes

12.7 — 15.8°C

Compared With Previous Octobers

Historical baseline from 7,252 observations across 5 years.

Wave Height: 1.8ft; 1.1ft below mean; Historical mean 2.887ft
Wave Period: 7s; 0.1s below mean; Historical mean 7.1s
Water Temperature: 14.3°C; 0.6°C below mean; Historical mean 14.9°C

Show 10th–90th percentile ranges

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 daily means Oct 2015Last observation shown Oct 2015
Metric	Oct 1	Oct 2	Oct 3	Oct 4	Oct 5	Oct 6	Oct 7	Oct 8	Oct 9	Oct 10	Oct 11	Oct 12	Oct 13	Oct 14	Oct 15	Oct 16	Oct 17	Oct 18	Oct 19	Oct 20	Oct 21	Oct 22	Oct 23	Oct 24	Oct 25	Oct 26	Oct 27	Oct 28	Oct 29	Oct 30	Oct 31
Mean significant wave height (ft)	2	1	1	1	4	4	5	2	1	1	2	1	1	1	1	1	1	1	1	1	2	3	2	2	2	3	3	2	4	3	2
Mean maximum wave height (ft)	2	2	1	2	6	5	7	2	2	2	2	1	1	1	1	1	1	1	1	1	3	4	2	4	3	4	4	3	6	5	3
Mean peak period (s)	5	5	4	4	6	6	9	9	13	-	8	8	3	9	8	4	4	4	4	4	4	6	15	8	8	5	10	9	6	6	7
Mean zero-crossing period (s)	3	4	3	3	4	4	5	5	5	4	4	3	3	3	3	3	3	3	3	3	3	4	5	4	4	4	5	5	4	4	4
Mean energy period (s)	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Mean wave power, kilowatts per metre	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Mean peak wave direction	SSEconcentration 91%	Sconcentration 95%	SSWconcentration 70%	Sconcentration 95%	Sconcentration 97%	Sconcentration 98%	SSWconcentration 99%	SSWconcentration 99%	SSWconcentration 96%	SSWconcentration 92%	Sconcentration 93%	SSWconcentration 96%	Variableconcentration 28%	SWconcentration 49%	SSWconcentration 85%	WSWconcentration 39%	SSWconcentration 45%	Sconcentration 94%	Sconcentration 96%	SSWconcentration 90%	SWconcentration 93%	SWconcentration 100%	SSWconcentration 100%	SSWconcentration 96%	SSWconcentration 94%	Sconcentration 97%	SSWconcentration 98%	SSWconcentration 99%	SSWconcentration 100%	Sconcentration 99%	SSWconcentration 97%
Mean directional spread (°)	29.3	28.2	28.7	27.9	21.3	21.9	21.1	22.4	30.0	32.4	25.4	30.0	30.4	34.6	34.2	31.8	35.6	29.1	30.8	31.0	21.6	20.2	27.4	24.4	23.8	24.2	23.8	23.3	21.2	23.7	22.8
Mean water temperature(°C)	15.3	15.3	15.2	15.2	15.4	15.5	15.3	15.2	15.2	15.2	15.2	14.9	14.5	14.2	14.0	13.7	13.7	13.6	13.7	13.6	13.5	13.5	13.6	13.7	13.6	13.6	13.4	13.4	13.4	13.6	13.7

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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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