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Beryl A AWS wave buoy daily means for Jan 2024

Daily means from the Beryl A AWS wave buoy for Jan 2024, including available wave height, period, direction, wind and sea temperature data.

Last observation shown

Data available:  to 

Monthly means for

Latest

Period Summary

Programmatically generated summary. Hog Says

743 wave-buoy observations covered all 31 days. Typical wave height was 11.2 ft (10th–90th percentile 5.9–18.4 ft), while mean reported wave period; measurement type unavailable was 6.8 seconds (10th–90th percentile 5–8 seconds). Typical wind was 25.3 mph (10th–90th percentile 11.4–38 mph). 1 of 2,848 checked values (0%) were excluded by quality control. Across 10 comparable years, mean wave height was above the same-month mean of 11.2 ft and mean wave period was below the same-month mean of 7 seconds.

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

Typical Wave Height

11.2ft
Mean: 11.4 ft
P10–P90: 5.9 — 18.4 ft
Recorded extremes

2.6 — 29.2 ft

Available for 742 of 743 hourly samples

Mean Wave Period

6.8secs
P10–P90: 5 — 8secs
Recorded extremes

4 — 10secs

Available for 619 of 743 hourly samples

Mean Water Temperature

-°C
P10–P90: - — -°C

Available for 0 of 743 hourly samples

Typical Wind

N, 25.3mph
Mean: 25.2 mph
P10–P90: 11.4 — 38 mph
Recorded extremes

1.1 — 51.9 mph

Circular concentration: 100%

Compared With Previous Januarys

Historical baseline from 7,304 observations across 10 years.

Wave Height
11.4ft
0.2ft above mean
Historical mean 11.2ft
Wave Period
6.8s
0.2s below mean
Historical mean 7s
Water Temperature
–
Not enough comparable data

Chart showing grouped wave observations for Beryl A AWS. Use the table on this page for a text version of the same measurements. To open hourly observations, use a linked day name in the table.

About Beryl A AWS wave buoy

Beryl A AWS (WMO 63110) is an automatic weather station on a privately operated oil platform in the northern North Sea. It is not a free-floating wave buoy. The station provides offshore meteorological observations for operations and forecasting, with available parameters determined by the platform's installed sensors.

Metrics are rows; days run left to right.
Beryl A AWS wave buoy daily means Jan 2024Last observation shown
Metric
Mean wave height (ft)151713109874366613181910101213QC rejected13QC rejected1315811141411718
Mean observed period(s)7Reported8Reported7Reported6Reported6Reported5Reported5Reported5Reported5Reported5Reported5Reported5Reported7Reported8Reported9Reported7Reported7Reported7Reported8Reported6Reported7Reported9Reported7Reported7Reported6Reported7Reported7Reported7Reported7Reported8Reported8Reported
Mean wave power(kW/m)-------------------------------
Mean wind directionNconcentration 100%Nconcentration 100%Nconcentration 100%Nconcentration 100%Nconcentration 100%Nconcentration 100%Nconcentration 100%Nconcentration 100%Nconcentration 100%Nconcentration 100%Nconcentration 100%Nconcentration 100%Nconcentration 100%Nconcentration 100%Nconcentration 100%Nconcentration 100%Nconcentration 100%Nconcentration 100%Nconcentration 100%Nconcentration 100%Nconcentration 100%Nconcentration 100%Nconcentration 100%Nconcentration 100%Nconcentration 100%Nconcentration 100%Nconcentration 100%Nconcentration 100%Nconcentration 100%Nconcentration 100%Nconcentration 100%
Mean wind speed (mph)36422730282617121223211930333015192815203037263321283030151137
Mean water temperature(°C)-------------------------------

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Wave metric colour key

Colours move through the scale as each number increases. They do not by themselves mean that conditions are good, safe or suitable for you.

Wave & swell height0–40+ ft
Wave & swell period0–22+ s
Wind speed0–75 mph

The displayed numbers remain the source of truth; colour is an additional visual cue.

Which wave period is shown?

The table shows the best period measurement supplied for each observation. It is not necessarily the energy period used to calculate wave power.

Tp
Peak period: the period at the strongest spectral peak.
Tavg
The provider's average wave period.
Tm02
A mean period calculated from the wave spectrum.
Tz
Mean zero-crossing period.
Reported
A legacy value whose period type was not recorded.
Mixed
A daily or monthly mean containing more than one period type.

Wave power needs a genuine energy period (Te). SurfHog does not substitute Tp, Tavg, Tm02 or Tz when Te is missing.

What does buoy wave power mean?

kW/m means kilowatts of wave power per metre of wave crest. It describes the rate at which the observed sea state carries energy past the buoy.

Unlike the shore-directed forecast value, buoy wave power is the total power at the observation point. It is not projected towards a particular beach and does not predict breaking wave height.

In deep water, wave power can be calculated with:

P is approximately 0.49 times significant wave height squared times wave energy period.

P is power in kW/m, Hs is significant wave height in metres, and Te is wave energy period in seconds.

  • Provider-reported power is used when available.
  • Otherwise, a value is calculated only when both significant height and a genuine energy period are available. The ≈ symbol marks calculated values.
  • A dash is shown instead of substituting peak, Tm02, zero-crossing or other period measurements.
  • Daily and monthly figures use the mean of hourly-normalized observation power values; they are not calculated from mean height and period.

Wave direction, spectrum, water depth and local bathymetry still matter. Wave power is best read alongside height, period and direction rather than as a standalone surf-quality score.

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