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Beryl A AWS wave buoy daily means for Feb 2016

Daily means from the Beryl A AWS wave buoy for Feb 2016, 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

688 wave-buoy observations covered all 29 days. Typical wave height was 10.2 ft (10th–90th percentile 4.9–15.7 ft), while mean reported wave period; measurement type unavailable was 7.1 seconds (10th–90th percentile 6–8 seconds). Typical wind was 18.3 mph (10th–90th percentile 6.9–31.1 mph). 2 of 2,752 checked values (0.1%) were excluded by quality control. Across 2 comparable years, mean wave height was below the same-month mean of 11.4 ft and mean wave period was the same as the same-month mean of 7.1 seconds.

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

Typical Wave Height

10.2ft
Mean: 10.8 ft
P10–P90: 4.9 — 15.7 ft
Recorded extremes

3.9 — 26.2 ft

Available for 687 of 688 hourly samples

Mean Wave Period

7.1secs
P10–P90: 6 — 8secs
Recorded extremes

4 — 10secs

Available for 687 of 688 hourly samples

Mean Water Temperature

-°C
P10–P90: - — -°C

Available for 0 of 688 hourly samples

Typical Wind

Variable, 18.3mph
Mean: 18.8 mph
P10–P90: 6.9 — 31.1 mph
Recorded extremes

0 — 46.1 mph

Circular concentration: 26%

Compared With Previous Februarys

Historical baseline from 1,330 observations across 2 years.

Wave Height
10.8ft
0.6ft below mean
Historical mean 11.4ft
Wave Period
7.1s
In line with the historical mean
Historical mean 7.1s
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 Feb 2016Last observation shown
Metric
Mean wave height (ft)16191411991312101014868915161010141511151396558
Mean observed period(s)8Reported9Reported8Reported8Reported6Reported7Reported7Reported8Reported7Reported8Reported8Reported6Reported6Reported6Reported7Reported7Reported8Reported7Reported7Reported7Reported8Reported7Reported8Reported8Reported7Reported7Reported7Reported6Reported6Reported
Mean wave power(kW/m)-----------------------------
Mean wind directionSWconcentration 87%WNWconcentration 62%NWconcentration 98%NWconcentration 77%SSWconcentration 98%Sconcentration 59%Sconcentration 96%WSWconcentration 60%WNWconcentration 46%Nconcentration 79%NEconcentration 98%ENEconcentration 92%NNEconcentration 91%NNEconcentration 94%NNWconcentration 79%Sconcentration 98%SSWconcentration 69%SSWconcentration 69%SSWconcentration 93%Wconcentration 98%Wconcentration 98%NWconcentration 90%NNWconcentration 97%NNWconcentration 96%NNWconcentration 94%WNWconcentration 57%NNWconcentration 84%NWconcentration 49%Sconcentration 98%
Mean wind speed (mph)3029261320202614151322131217163114102527282327211548623
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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