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Anasuria AWS wave buoy daily means for Jan 2012

Daily means from the Anasuria AWS wave buoy for Jan 2012, 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

742 wave-buoy observations covered all 31 days. Typical wave height was 9.2 ft (10th–90th percentile 4.9–15.7 ft), while mean reported wave period; measurement type unavailable was 6.2 seconds (10th–90th percentile 5–8 seconds). Typical wind was 22 mph (10th–90th percentile 10.3–33.4 mph) and mean water temperature was 8.3°C (10th–90th percentile 7.9–8.9°C). All 3,650 checked values passed quality control. Across 1 comparable year, mean wave height was above the same-month mean of 7.2 ft and mean wave period was above the same-month mean of 4.5 seconds.

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

Typical Wave Height

9.2ft
Mean: 10.2 ft
P10–P90: 4.9 — 15.7 ft
Recorded extremes

3.3 — 28.5 ft

Mean Wave Period

6.2secs
P10–P90: 5 — 8secs
Recorded extremes

4 — 9secs

Mean Water Temperature

8.3°C
P10–P90: 7.9 — 8.9°C
Recorded extremes

7.8 — 9.1°C

Available for 694 of 742 hourly samples

Typical Wind

WSW, 22mph
Mean: 22.2 mph
P10–P90: 10.3 — 33.4 mph
Recorded extremes

2.2 — 57.6 mph

Circular concentration: 51%

Available for 736 of 742 hourly samples

Compared With Previous Januarys

Historical baseline from 664 observations across 1 year.

Wave Height
10.2ft
3ft above mean
Historical mean 7.2ft
Wave Period
6.2s
1.7s above mean
Historical mean 4.5s
Water Temperature
8.3°C
Not enough comparable data

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 2012Last observation shown
Metric
Mean wave height (ft)812181618131210788QC rejected157455911111311751114968913
Mean observed period(s)6Reported6Reported8Reported7Reported8Reported7Reported6Reported6Reported5Reported6Reported6Reported7Reported8Reported8Reported5Reported4Reported4Reported6Reported6Reported6Reported6Reported6Reported5Reported5Reported6Reported8Reported7Reported6Reported6Reported6Reported7Reported
Mean wave power(kW/m)-------------------------------
Mean wind directionSWconcentration 97%SWconcentration 99%SWconcentration 67%WSWconcentration 91%NWconcentration 92%Wconcentration 78%Wconcentration 99%Wconcentration 64%Wconcentration 93%WSWconcentration 99%WSWconcentration 91%WNWconcentration 78%NNWconcentration 98%SWconcentration 65%SSWconcentration 97%SSWconcentration 98%SWconcentration 93%SWconcentration 80%Wconcentration 97%Wconcentration 85%Wconcentration 94%WNWconcentration 97%WNWconcentration 93%SSWconcentration 69%SSEconcentration 99%Sconcentration 98%SWconcentration 37%NNEconcentration 39%ESEconcentration 97%ESEconcentration 98%ESEconcentration 99%
Mean wind speed (mph)222639343723291921222132216131617242525332221132721115192022
Mean water temperature(°C)9.19.09.08.98.88.78.78.68.68.68.68.58.48.48.48.38.38.28.28.18.08.07.97.97.97.98.18.18.18.07.9

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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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