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West of Hebrides wave buoy daily means for Aug 2026

Daily means from the West of Hebrides wave buoy for Aug 2026, including available wave height, period, direction, wind and sea temperature data.

Last observation shown

Data available:  to 

Monthly means for

Latest

Typical Significant Wave Height

6.6ft
Mean: 6.8 ft
P10–P90: 3.8 — 9.7 ft
Recorded extremes

3.5 — 13.7 ft

Mean Observed Wave Period

9secs
P10–P90: 6.9 — 11.1secs
Recorded extremes

5.4 — 12.5secs

Typical Observed Wind

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

Available for 0 of 89 hourly samples

Mean Water Temperature

14.3°C
P10–P90: 14 — 14.5°C
Recorded extremes

14 — 14.7°C

Chart showing grouped wave observations for West of Hebrides. 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 West of Hebrides wave buoy

West of Hebrides is a Cefas WaveNet directional Waverider operated with the Scottish Environment Protection Agency and Comhairle nan Eilean Siar. Its exposed Atlantic position west of the Outer Hebrides gives direct upstream context for the island chain and northwest Scotland.

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

Metrics are rows; days run left to right.
West of Hebrides wave buoy daily means Aug 2026Last observation shown
Metric
Mean significant wave height (ft)-----------------108654---------
Mean peak period (s)-----------------1011889---------
Mean zero-crossing period (s)-----------------77555---------
Mean peak wave direction-----------------Wconcentration 98%Wconcentration 100%NNWconcentration 82%NNWconcentration 97%NNEconcentration 71%---------
Mean directional spread (°)-----------------22.926.636.439.426.5---------
Mean water temperature(°C)-----------------14.514.414.014.214.2---------

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 Cefas WaveNet monitoring network.

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

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