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Chesil wave buoy daily means for Jul 2007

Daily means from the Chesil wave buoy for Jul 2007, 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

1,450 wave-buoy observations covered all 31 days. Typical wave height was 2.9 ft (10th–90th percentile 1.4–5.8 ft), while mean average of more than one wave period type was 6.1 seconds (10th–90th percentile 4.3–8 seconds). Mean water temperature was 16.3°C (10th–90th percentile 15.7–16.8°C). 6 of 5,772 checked values (0.1%) were excluded by quality control.

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

Typical Significant Wave Height

2.9ft
Mean: 3.3 ft
P10–P90: 1.45.8 ft
Recorded extremes

0.88.8 ft

Mean Observed Wave Period

6.1secs
P10–P90: 4.3 — 8secs
Recorded extremes

2.2 — 16.7secs

Available for 724 of 726 hourly samples

Observed Wave Direction

SW

Circular concentration: 98%

Mean Water Temperature

16.3°C
P10–P90: 15.7 — 16.8°C
Recorded extremes

15.6 — 17.3°C

Chart showing grouped wave observations for Chesil. 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 Chesil wave buoy

Chesil is a Channel Coastal Observatory National Network wave station off Dorset's exposed Jurassic Coast. It records waves approaching Chesil Beach and the western side of Portland, providing a nearshore reference for the long shingle barrier and the communities and infrastructure behind it.

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.
Chesil wave buoy daily means Jul 2007Last observation shown
Metric
Mean significant wave height (ft)6645663233333422QC rejected41222235643421
Mean maximum wave height (ft)99789943454546237523333581065632
Mean peak period (s)7667666756555777686555786765768
Mean zero-crossing period (s)5544554444444454445443544544545
Mean energy period (s)-------------------------------
Mean wave power, kilowatts per metre-------------------------------
Mean peak wave directionSWconcentration 100%SWconcentration 100%SWconcentration 100%SWconcentration 100%SWconcentration 100%SWconcentration 99%SWconcentration 100%SWconcentration 96%SWconcentration 99%SWconcentration 100%SWconcentration 99%SWconcentration 100%SWconcentration 99%SWconcentration 100%SSWconcentration 92%SWconcentration 99%SWconcentration 100%SWconcentration 100%SWconcentration 100%SWconcentration 95%SWconcentration 100%SWconcentration 89%SSWconcentration 90%SWconcentration 100%SWconcentration 100%SWconcentration 100%SWconcentration 100%SWconcentration 99%SWconcentration 100%SWconcentration 99%SWconcentration 96%
Mean directional spread (°)20.018.320.719.418.818.730.137.328.021.323.124.228.423.537.039.521.526.043.433.428.438.536.633.017.618.120.623.724.736.353.2
Mean water temperature(°C)15.716.015.915.815.715.715.816.015.915.815.816.016.216.216.216.316.516.716.616.416.416.516.416.616.616.616.716.716.916.716.9

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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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