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Constantine Bay

Cornwall, South West
Excellent Water Quality
Data last verified: 08 Aug 2026

Located in Cornwall, South West, Constantine Bay features a picturesque sandy shoreline popular with local bathers. The site was designated as an official bathing water site in 1988 and is routinely tested for water cleanliness, currently achieving an annual classification of Excellent. In addition, dogs are permitted during winter months.

17.3°C
Air Temp
6.5 mph
Wind Speed
High Tide
in 4h 37m
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Live Water Quality

95
Excellent
Safe for swimming
Updated 10 mins ago
Today's Conditions Updated 10 mins ago

Lifeguards

Unknown
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Air Temp

17.3°C
Comfortable

Weather

Partly cloudy
17.3°C

Tide

High Tide
in 4h 37m

Water Quality

Excellent
Safe for swimming

Pollution Alerts

None
No alerts today

Quick Overview

Sand & Rocky beach
Family friendly
Dog friendly
(winter)
Parking nearby
Toilets
Café

Beach Information View all details

Beach Type
Rock, Sand
Water Quality
Excellent
Avg. Air Temp
17.3°C
Swimming
Highly recommended

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Reference Information

Full Tide Times
Low 07:29 -1.6m
High 13:45 1.9m
Low 20:19 -1.7m
High 02:28 1.8m
Sediment Type
Rock, Sand

The shoreline consists primarily of rock, sand. Sediment type dictates underfoot comfort, wave energy absorption, and the water's clarity when currents stir up the seabed.

Annual Rating
Excellent

Water quality is classified as excellent, meeting the highest cleanliness standards. Bacterial counts (E. coli & Intestinal Enterococci) are consistently low, posing negligible health risks.

Rainfall Impact
Low Risk

This bathing water is generally resilient and has a low risk of quality degradation after heavy summer storm events.

Monitoring Authority
Environment Agency

Tested weekly by the Environment Agency England for bacteria levels (E. coli & Intestinal Enterococci) between May and September.

Water Body Type
Coastal Beach

Monitored as a coastal beach. Coastal beaches are subject to tidal flows and marine dilution, whereas inland lakes/rivers suffer from low water circulation, meaning bacteria can linger longer.

Sewerage Provider
South West Water Limited

South West Water Limited is the regional utility responsible for waste water treatment, sewage infrastructure, and storm overflow management in this catchment area.

Designated Year
1988

Officially designated as a protected bathing water site in 1988. This designation mandates regular public health monitoring.

County / District
Cornwall

Governed under local district sanitation and environmental safety regulations in the Cornwall area.

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