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Southwold The Denes

East Suffolk, Anglian
Excellent Water Quality
Data last verified: 08 Aug 2026

Southwold The Denes is a sand and shingle bathing spot situated in East Suffolk, Anglian. Designated as an official bathing water site in 1990, the site is monitored regularly by environmental authorities and holds a current annual water quality rating of Excellent. In addition, dogs are permitted during winter months.

21.2°C
Air Temp
21.6 mph
Wind Speed
Low Tide
in 1h 24m
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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

21.2°C
Comfortable

Weather

Clear sky
21.2°C

Tide

Low Tide
in 1h 24m

Water Quality

Excellent
Safe for swimming

Pollution Alerts

None
No alerts today

Quick Overview

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

Beach Information View all details

Beach Type
Sand, Shingle
Water Quality
Excellent
Avg. Air Temp
21.2°C
Swimming
Highly recommended

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Harbour Café
cafe
4.8 • 120m away
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Reference Information

Full Tide Times
High 06:36 0.5m
Low 12:44 -0.6m
High 19:03 0.6m
Low 01:22 -0.6m
Sediment Type
Sand, Shingle

The shoreline consists primarily of sand, shingle. 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
Anglian Water Services Limited

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

Designated Year
1990

Officially designated as a protected bathing water site in 1990. This designation mandates regular public health monitoring.

County / District
East Suffolk

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

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