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Anasuria AWS wave buoy daily means for Jan 2011

Daily means from the Anasuria AWS wave buoy for Jan 2011, 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

709 wave-buoy observations covered all 31 days. Typical wave height was 6.9 ft (10th–90th percentile 3.9–11.2 ft), while mean reported wave period; measurement type unavailable was 4.5 seconds (10th–90th percentile 2–6 seconds). Typical wind was 17.2 mph (10th–90th percentile 6.9–26.4 mph). 120 of 2,782 checked values (4.3%) were excluded by quality control.

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

Typical Wave Height

6.9ft
Mean: 7.2 ft
P10–P90: 3.9 — 11.2 ft
Recorded extremes

2.3 — 16.1 ft

Available for 661 of 709 hourly samples

Mean Wave Period

4.5secs
P10–P90: 2 — 6secs
Recorded extremes

2 — 7secs

Available for 589 of 709 hourly samples

Mean Water Temperature

-°C
P10–P90: - — -°C

Available for 0 of 709 hourly samples

Typical Wind

W, 17.2mph
Mean: 16.9 mph
P10–P90: 6.9 — 26.4 mph
Recorded extremes

1.1 — 33.4 mph

Circular concentration: 54%

Available for 706 of 709 hourly samples

Chart showing grouped wave observations for Anasuria 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 Anasuria AWS wave buoy

Anasuria AWS (WMO 62164) is an automatic weather station on privately operated offshore infrastructure in the central North Sea. It is not a free-floating wave buoy. The station contributes meteorological and, when fitted, sea-state observations from an area with extensive offshore energy activity.

Metrics are rows; days run left to right.
Anasuria AWS wave buoy daily means Jan 2011Last observation shown
Metric
Mean wave height (ft)151288-QC rejected98910107QC rejected51010855444688853467
Mean observed period(s)2Reported6Reported4Reported4Reported-7Reported4Reported2Reported2Reported2Reported3Reported4Reported4Reported3Reported4Reported6Reported6Reported5Reported5Reported6Reported5Reported4Reported4Reported6Reported6Reported6Reported5Reported5Reported5Reported6Reported5Reported
Mean wave power(kW/m)-------------------------------
Mean wind directionNNWconcentration 99%NNWconcentration 96%WSWconcentration 88%SWconcentration 95%SWconcentration 96%WNWconcentration 94%SSWconcentration 62%SSWconcentration 55%Wconcentration 97%SSWconcentration 87%NNWconcentration 42%SWconcentration 75%WSWconcentration 36%SSWconcentration 89%SSWconcentration 93%SSWconcentration 98%WSWconcentration 95%Wconcentration 98%NWconcentration 92%WNWconcentration 88%WNWconcentration 94%NWconcentration 98%NNWconcentration 98%WNWconcentration 93%NWconcentration 70%ENEconcentration 68%NNWconcentration 79%WSWconcentration 90%NWconcentration 64%SWconcentration 94%SWconcentration 96%
Mean wind speed (mph)2419171816221921212019159142527191614914161724131369121619
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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