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Noirmoutier wave buoy observations on Tue, Feb 10, 2026

Hourly readings from the Noirmoutier wave buoy for Tue, Feb 10, 2026, including available wave height, period, direction, wind and sea temperature data.

Last observation shown

Oldest observation available

Daily means for

Latest

Period Summary

Programmatically generated summary. Hog Says

48 wave-buoy observations were recorded during the day. Typical wave height was 10.2 ft (10th–90th percentile 8.1–13.3 ft), while mean peak wave period was 15.7 seconds (10th–90th percentile 9.6–19.2 seconds). Typical calculated wave power was approximately 60.2 kW/m (10th–90th percentile 26.8–84.7 kW/m), derived from significant wave height and energy period. 4 of 144 checked values (2.8%) were excluded by quality control.

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

Line chart showing wave height, wave period and sea temperature for Noirmoutier. Use the detailed observations table below for the same data in text form.

About Noirmoutier wave buoy

Noirmoutier is a CANDHIS directional buoy west of the low-lying island on the Vendée coast, operated within France's national in-situ sea-state observatory. Its position helps distinguish offshore Atlantic forcing from the sheltering and shallow-water effects around Noirmoutier and Bourgneuf Bay.

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

Metrics are rows; hours run left to right. Times use your device time zone.
Noirmoutier wave buoy hourly observations Tue, Feb 10, 2026Last observation shown
Metric
Significant wave height (ft)898888888988898991010910101010101010111010121112131112121313131413141314141313
Maximum wave height (ft)151415111211121412141211131211131214151213141415161313161517151417201820181818202120231920191920
Peak period (s)9101010101091091010-10212120201919191919191919191919181818171717171716171716-1617161616--
Average period (s)889998998109109121010101213111313121212131312111011101011101110101110101011101010910
Mean period Tm02 (s)677766677777777878878888888877877878778777878877
Peak wave directionWSWWSWWSWWSWWSWWSWWSWWSWWWWSWWWSWWSWWWSWWSWWSWWSWWSWWSWWSWWSWWSWWSWWSWWSWWSWWSWWSWWSWWSWWSWWWSWWSWWSWWSWWSWWSWWSWWWSWWSWWSWWSWWSWWSW
Directional spread (°)18.219.419.120.520.020.624.022.123.419.923.822.722.620.522.220.020.618.317.622.518.720.519.216.819.216.418.716.616.919.822.323.225.024.825.624.025.824.421.125.819.122.918.523.219.623.522.124.1
Water temperature(°C)------------------------------------------------

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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.

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 Cerema CANDHIS coastal wave observatory.

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

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