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Penarth Beach

the Vale of Glamorgan, Wales
Good Water Quality
Data last verified: 27 Sep 2026

Penarth Beach, situated in the picturesque Vale of Glamorgan, boasts a stunning shoreline with golden sand and breathtaking views of the Bristol Channel. The beach's water quality is consistently rated as 'Good' by Natural Resources Wales, making it an ideal spot for swimming and water activities. During the summer months, the water temperature typically ranges from 15°C to 18°C, perfect for a refreshing dip.

16.2°C
Air Temp
18 mph
Wind Speed
High Tide
in 1h 52m
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Live Water Quality

80
Good
Safe for swimming
• Updated 10 mins ago
Today's Conditions • Updated 10 mins ago

Lifeguards

Unknown
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Air Temp

16.2°C
Comfortable

Weather

Partly cloudy
16.2°C

Tide

High Tide
in 1h 52m

Water Quality

Good
Safe for swimming

Pollution Alerts

None
No alerts today

Quick Overview

Sandy beach
Family friendly
Dog friendly
(winter)
Parking nearby
Toilets
Café

Beach Information View all details

Beach Type
Sand
Water Quality
Good
Avg. Air Temp
16.2°C
Swimming
Highly recommended

Community Photos

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Nearby Businesses View all

Sid's Restaraunt and Bar with Rooms
restaurant
4.8 • 120m away
Coffi Co - Penarth Seafront
coffee shop
4.8 • 120m away
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Reference Information

Full Tide Times
Low 14:23 -5.3m
High 20:30 6.0m
Low 02:43 -5.6m
High 08:46 5.8m
Sediment Type
Sand

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

Annual Rating
Good

Water quality is clean and fully compliant with safety directives. It regularly meets bacterial limits under standard environmental conditions.

Rainfall Impact
High Risk

Bacterial levels are highly susceptible to storm runoff. Heavy rainfall in the local catchment is likely to trigger storm overflows and agricultural runoff, rendering the water temporarily unsafe.

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
Unknown

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

Designated Year
2022

Officially designated as a protected bathing water site in 2022. This designation mandates regular public health monitoring.

County / District
the Vale of Glamorgan

Governed under local district sanitation and environmental safety regulations in the the Vale of Glamorgan area.

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