Happisburgh wave buoy daily means for Dec 2017

Daily means from the Happisburgh wave buoy for Dec 2017, including available wave height, period, direction, wind and sea temperature data.

Last observation shown Sun, Dec 31, 2017, 23:00

Data available: Wed, May 9, 2012 to Sat, Aug 22, 2026

Monthly means for 2017

Period Summary

Hog Says

1,487 wave-buoy observations covered all 31 days. Typical wave height was 2.2 ft (10th–90th percentile 1–5.7 ft), while mean average of more than one wave period type was 7.5 seconds (10th–90th percentile 4.8–11.3 seconds). Mean water temperature was 5.7°C (10th–90th percentile 5–6.6°C). 21 of 5,915 checked values (0.4%) were excluded by quality control. Across 4 comparable years, mean wave height was above the same-month mean of 2.3 ft and mean wave period was above the same-month mean of 7.2 seconds.

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

Typical Significant Wave Height

2.2ft

Mean: 2.9 ft

P10–P90: 1 — 5.7 ft

Recorded extremes

0.4 — 11.6 ft

Mean Observed Wave Period

7.5secs

P10–P90: 4.8 — 11.3secs

Recorded extremes

3.5 — 16.7secs

Available for 741 of 744 hourly samples

Observed Wave Direction

NNE

Circular concentration: 87%

Mean Water Temperature

5.7°C

P10–P90: 5 — 6.6°C

Recorded extremes

4.8 — 7.3°C

Compared With Previous Decembers

Historical baseline from 5,948 observations across 4 years.

Wave Height: 2.9ft; 0.6ft above mean; Historical mean 2.264ft
Wave Period: 7.5s; 0.3s above mean; Historical mean 7.2s
Water Temperature: 5.7°C; 1.4°C below mean; Historical mean 7.1°C

Show 10th–90th percentile ranges

About Happisburgh wave buoy

Happisburgh is a Channel Coastal Observatory wave station off the northeast Norfolk coast. It supplies a nearshore North Sea record for one of England's most rapidly changing soft-cliff frontages, where communities, beaches and coastal defences are exposed to frequent erosion.

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

Happisburgh wave buoy daily means Dec 2017Last observation shown Dec 2017
Metric	Dec 1	Dec 2	Dec 3	Dec 4	Dec 5	Dec 6	Dec 7	Dec 8	Dec 9	Dec 10	Dec 11	Dec 12	Dec 13	Dec 14	Dec 15	Dec 16	Dec 17	Dec 18	Dec 19	Dec 20	Dec 21	Dec 22	Dec 23	Dec 24	Dec 25	Dec 26	Dec 27	Dec 28	Dec 29	Dec 30	Dec 31
Mean significant wave height (ft)	QC rejected	2	2	3	2	2	3	6	5	4	5	4	2	2	3	5	3	3	2	1	1	1	1	1	2	2	QC rejected	5	3	2	1
Mean peak period (s)	7	7	6	7	6	6	7	8	12	11	6	8	6	6	6	7	7	7	7	10	11	10	5	8	9	8	8	8	8	7	6
Mean zero-crossing period (s)	5	5	4	5	5	4	4	6	6	6	5	5	4	4	4	5	5	5	4	4	4	4	4	4	4	5	5	6	5	4	4
Mean peak wave direction	NNEconcentration 99%	NNEconcentration 99%	Nconcentration 100%	NNEconcentration 99%	Nconcentration 99%	NEconcentration 82%	NEconcentration 65%	Nconcentration 98%	NNEconcentration 97%	NEconcentration 92%	NEconcentration 98%	NEconcentration 98%	NEconcentration 71%	Nconcentration 97%	Nconcentration 98%	Nconcentration 99%	Nconcentration 94%	Nconcentration 98%	NNEconcentration 99%	NNEconcentration 93%	NNEconcentration 93%	NNEconcentration 97%	Nconcentration 96%	Nconcentration 92%	ENEconcentration 77%	NNEconcentration 79%	NNEconcentration 95%	Nconcentration 98%	NNEconcentration 88%	Nconcentration 82%	ENEconcentration 83%
Mean directional spread (°)	22.1	27.6	26.1	24.5	25.2	34.5	25.9	19.3	23.0	32.1	31.3	23.4	33.0	29.7	25.7	21.3	26.7	24.4	29.7	44.0	47.1	43.0	32.0	39.8	33.8	27.8	23.2	21.2	27.4	32.9	33.0
Mean water temperature(°C)	6.7	6.4	6.3	6.3	6.4	6.6	6.8	6.9	6.5	6.2	6.0	5.8	5.8	5.6	5.5	5.3	5.0	5.0	4.9	4.9	5.0	5.0	5.2	5.4	5.6	5.7	5.6	5.3	5.1	5.0	5.2

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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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