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Chapel Point wave buoy daily means for May 2024

Daily means from the Chapel Point wave buoy for May 2024, 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

1,483 wave-buoy observations covered all 31 days. Typical wave height was 1.8 ft (10th–90th percentile 0.8–3.2 ft), while mean average of more than one wave period type was 5 seconds (10th–90th percentile 3–7.2 seconds). Mean water temperature was 12.9°C (10th–90th percentile 10.6–14.4°C). 9 of 5,908 checked values (0.2%) were excluded by quality control. Across 12 comparable years, mean wave height was below the same-month mean of 2.3 ft and mean wave period was below the same-month mean of 6.3 seconds.

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

Typical Significant Wave Height

1.8ft
Mean: 2.1 ft
P10–P90: 0.8 — 3.2 ft
Recorded extremes

0.3 — 8.3 ft

Mean Observed Wave Period

5secs
P10–P90: 3 — 7.2secs
Recorded extremes

1.7 — 12.5secs

Observed Wave Direction

NE

Circular concentration: 63%

Mean Water Temperature

12.9°C
P10–P90: 10.6 — 14.4°C
Recorded extremes

9.8 — 15.6°C

Compared With Previous Mays

Historical baseline from 14,105 observations across 12 years.

Wave Height
2.1ft
0.2ft below mean
Historical mean 2.329ft
Wave Period
5s
1.3s below mean
Historical mean 6.3s
Water Temperature
12.9°C
0.8°C above mean
Historical mean 12.1°C

Chart showing grouped wave observations for Chapel Point. 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 Chapel Point wave buoy

Chapel Point is a Channel Coastal Observatory wave station off the Lincolnshire coast near Chapel St Leonards. Its shallow North Sea setting records conditions approaching a low-lying, heavily managed sandy frontage north of Skegness, supporting flood and erosion monitoring.

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.
Chapel Point wave buoy daily means May 2024Last observation shown
Metric
Mean significant wave height (ft)14321111112222222333333112122QC rejectedQC rejected
Mean maximum wave height (ft)26431122112333334454444223222611
Mean peak period (s)3676564544446566755556446543357
Mean zero-crossing period (s)3444343433334444534444333433345
Mean energy period (s)-------------------------------
Mean wave power, kilowatts per metre-------------------------------
Mean peak wave directionENEconcentration 89%NEconcentration 98%NEconcentration 90%ESEconcentration 53%ENEconcentration 86%NEconcentration 85%NNEconcentration 94%NEconcentration 89%ENEconcentration 53%ENEconcentration 80%ESEconcentration 94%Econcentration 97%ENEconcentration 99%ENEconcentration 96%ENEconcentration 100%NEconcentration 92%NEconcentration 100%NNEconcentration 92%NNEconcentration 97%NEconcentration 98%NNEconcentration 99%NEconcentration 94%Sconcentration 73%SEconcentration 57%NNEconcentration 95%ENEconcentration 96%SSEconcentration 59%Sconcentration 95%WSWconcentration 30%Nconcentration 89%NNEconcentration 99%
Mean directional spread (°)31.426.024.027.531.233.432.930.743.139.031.727.921.424.120.022.721.226.228.226.127.928.827.435.230.927.631.031.235.022.220.4
Mean water temperature(°C)10.210.410.510.711.011.311.511.612.012.212.412.613.013.113.113.113.913.513.613.914.114.214.314.314.214.214.214.314.414.414.1

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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 Regional Coastal Monitoring Programme.

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

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