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Hornsea wave buoy daily means for Nov 2022

Daily means from the Hornsea wave buoy for Nov 2022, 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

1,397 wave-buoy observations covered all 30 days. Typical wave height was 2.4 ft (10th–90th percentile 1.4–5.6 ft), while mean average of more than one wave period type was 5.9 seconds (10th–90th percentile 3.3–8.4 seconds). Mean water temperature was 11.8°C (10th–90th percentile 10.8–12.8°C). 3 of 5,574 checked values (0.1%) were excluded by quality control. Across 12 comparable years, mean wave height was below the same-month mean of 3.3 ft and mean wave period was below the same-month mean of 7.9 seconds.

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

Typical Significant Wave Height

2.4ft
Mean: 3.1 ft
P10–P90: 1.4 — 5.6 ft
Recorded extremes

0.8 — 12.8 ft

Mean Observed Wave Period

5.9secs
P10–P90: 3.3 — 8.4secs
Recorded extremes

1.7 — 14.3secs

Available for 700 of 701 hourly samples

Observed Wave Direction

ESE

Circular concentration: 71%

Mean Water Temperature

11.8°C
P10–P90: 10.8 — 12.8°C
Recorded extremes

10.6 — 13.2°C

Compared With Previous Novembers

Historical baseline from 17,074 observations across 12 years.

Wave Height
3.1ft
0.2ft below mean
Historical mean 3.314ft
Wave Period
5.9s
2s below mean
Historical mean 7.9s
Water Temperature
11.8°C
1.1°C above mean
Historical mean 10.7°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 2022Last observation shown
Metric
Mean significant wave height (ft)3322222423222354106633533222112
Mean maximum wave height (ft)453333463543347616101055855344123
Mean peak period (s)64656546444446671011976765446877
Mean zero-crossing period (s)434333343333344467545543334455
Mean energy period (s)------------------------------
Mean wave power, kilowatts per metre------------------------------
Mean peak wave directionESEconcentration 98%SSEconcentration 80%ESEconcentration 95%NNEconcentration 99%ENEconcentration 70%SEconcentration 76%SEconcentration 99%SEconcentration 98%SSEconcentration 62%Sconcentration 93%SSEconcentration 96%SEconcentration 100%ESEconcentration 90%Econcentration 99%ESEconcentration 93%Econcentration 88%ENEconcentration 98%NEconcentration 99%ENEconcentration 99%ENEconcentration 95%ENEconcentration 87%ENEconcentration 95%Econcentration 84%SEconcentration 99%SSEconcentration 82%SEconcentration 96%ESEconcentration 99%ENEconcentration 83%NEconcentration 98%NEconcentration 100%
Mean directional spread (°)19.115.923.621.723.927.617.816.723.821.818.619.319.516.418.119.014.913.817.120.921.425.622.417.322.419.119.427.220.517.4
Mean water temperature(°C)13.112.912.812.612.512.312.312.312.212.212.212.212.212.212.212.111.911.711.511.411.311.211.111.010.910.910.910.910.910.8

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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