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Hornsea wave buoy daily means for Nov 2014

Daily means from the Hornsea wave buoy for Nov 2014, 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

1,440 wave-buoy observations covered all 30 days. Typical wave height was 3.5 ft (10th–90th percentile 1.5–5.9 ft), while mean average of more than one wave period type was 7.2 seconds (10th–90th percentile 4.7–11.2 seconds). Mean water temperature was 11.7°C (10th–90th percentile 10.9–12.6°C). 7 of 5,647 checked values (0.1%) were excluded by quality control. Across 4 comparable years, mean wave height was above the same-month mean of 3.2 ft and mean wave period was below the same-month mean of 8.3 seconds.

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

Typical Significant Wave Height

3.5ft
Mean: 3.6 ft
P10–P90: 1.5 — 5.9 ft
Recorded extremes

0.8 — 7.8 ft

Mean Observed Wave Period

7.2secs
P10–P90: 4.7 — 11.2secs
Recorded extremes

2.1 — 15.4secs

Observed Wave Direction

E

Circular concentration: 77%

Mean Water Temperature

11.7°C
P10–P90: 10.9 — 12.6°C
Recorded extremes

10.8 — 13.1°C

Compared With Previous Novembers

Historical baseline from 5,670 observations across 4 years.

Wave Height
3.6ft
0.4ft above mean
Historical mean 3.248ft
Wave Period
7.2s
1.1s below mean
Historical mean 8.3s
Water Temperature
11.7°C
1.3°C above mean
Historical mean 10.4°C

Chart showing grouped wave observations for Hornsea. 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 Hornsea wave buoy

Hornsea is a Channel Coastal Observatory wave station off the rapidly eroding Holderness coast of East Yorkshire. Its North Sea record provides local wave context for Hornsea's defended frontage and the adjacent soft-cliff coastline, where storms drive substantial shoreline change.

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

Metrics are rows; days run left to right.
Hornsea wave buoy daily means Nov 2014Last observation shown
Metric
Mean significant wave height (ft)232154532265553464434421143563
Mean maximum wave height (ft)443277753497795697646632265795
Mean peak period (s)56591286581378677898776765667887
Mean zero-crossing period (s)343455444454455555454543445555
Mean energy period (s)------------------------------
Mean wave power, kilowatts per metre------------------------------
Mean peak wave directionSEconcentration 95%SEconcentration 97%SEconcentration 99%ENEconcentration 63%NNEconcentration 100%ENEconcentration 58%ESEconcentration 95%SEconcentration 98%Econcentration 81%NNEconcentration 100%ESEconcentration 88%ENEconcentration 87%ESEconcentration 96%ESEconcentration 98%ENEconcentration 96%NEconcentration 98%NEconcentration 100%NEconcentration 97%ENEconcentration 99%NEconcentration 100%Econcentration 84%Econcentration 100%ENEconcentration 94%NNWconcentration 60%NEconcentration 89%Econcentration 100%Econcentration 100%ENEconcentration 100%ENEconcentration 100%ENEconcentration 99%
Mean directional spread (°)16.316.017.221.715.214.819.918.323.319.115.416.318.519.017.716.916.118.921.018.321.816.321.923.525.718.915.114.915.819.7
Mean water temperature(°C)13.012.912.712.512.312.112.011.911.811.711.711.711.711.711.711.611.611.511.511.511.411.311.311.211.011.011.011.011.011.0

Swipe sideways to see more days.

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.

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.

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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