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Fanø Bugt wave buoy daily means for Nov 2001

Daily means from the Fanø Bugt wave buoy for Nov 2001, 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

234 wave-buoy observations covered all 30 days. Typical wave height was 3.6 ft (10th–90th percentile 1.8–7.5 ft), while mean average of more than one wave period type was 4.5 seconds (10th–90th percentile 3.7–5.7 seconds). 1 of 701 checked values (0.1%) were excluded by quality control.

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

Typical Significant Wave Height

3.6ft
Mean: 4.1 ft
P10–P90: 1.8 — 7.5 ft
Recorded extremes

0.9 — 11.4 ft

Available for 232 of 234 hourly samples

Mean Observed Wave Period

4.5secs
P10–P90: 3.7 — 5.7secs
Recorded extremes

3 — 6.5secs

Typical Observed Wind

-, -mph
Mean: - mph
P10–P90: - — - mph

Available for 0 of 234 hourly samples

Mean Water Temperature

-°C
P10–P90: - — -°C

Available for 0 of 234 hourly samples

Chart showing grouped wave observations for Fanø Bugt. 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 Fanø Bugt wave buoy

Fanø Bugt is a Danish Coastal Authority directional buoy in the eastern North Sea southwest of Esbjerg. Its setting between the open sea, the island of Fanø and the approaches to the Wadden Sea represents conditions relevant to the harbour entrance, tidal inlets and the low-lying southwest Danish coast.

Its current data source reports wave height, wave period and wave direction.

Metrics are rows; days run left to right.
Fanø Bugt wave buoy daily means Nov 2001Last observation shown
Metric
Mean significant wave height (ft)64576853355432632222QC rejectedQC rejected32233534
Mean average wave height (ft)------------------------------
Mean maximum wave height (ft)1068101014865886531154433121253357756
Mean average period (s)545556544554445444436654454544
Mean zero-crossing period (s)544556444454445443435544454544
Mean maximum wave period (s)------------------------------
Mean peak wave directionWNWconcentration 99%Wconcentration 100%Wconcentration 100%Wconcentration 100%Wconcentration 99%Wconcentration 98%Wconcentration 98%WNWconcentration 86%NWconcentration 86%Wconcentration 98%Wconcentration 99%Wconcentration 94%WNWconcentration 99%WNWconcentration 90%Wconcentration 98%WNWconcentration 99%WNWconcentration 100%WNWconcentration 99%WNWconcentration 100%WSWconcentration 87%WSWconcentration 99%Wconcentration 99%WNWconcentration 100%Wconcentration 100%Wconcentration 100%Wconcentration 99%WSWconcentration 90%WSWconcentration 99%Wconcentration 99%SSWconcentration 90%

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 Danish Coastal Authority wave-measurement network.

Learn how SurfHog combines, checks and summarizes observations in the data and methodology notes.

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