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Porth Neigwl

Gwynedd, Wales
Excellent Water Quality
Data last verified: 27 Sep 2026

Porth Neigwl, a picturesque beach in Gwynedd, Wales, boasts a stunning coastline with sand and shingle shores. The beach consistently receives an Excellent water quality rating, as tested by Natural Resources Wales. During the summer months, the water temperature typically ranges from 14°C to 16°C, making it perfect for a refreshing dip.

13.7°C
Air Temp
11.2 mph
Wind Speed
High Tide
in 2h 39m
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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

13.7°C
Comfortable

Weather

Clear sky
13.7°C

Tide

High Tide
in 2h 39m

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
13.7°C
Swimming
Highly recommended

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Reference Information

Full Tide Times
Low 16:08 -1.9m
High 21:18 2.5m
Low 04:32 -2.1m
High 09:38 2.3m
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
Unknown

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

Designated Year
2012

Officially designated as a protected bathing water site in 2012. This designation mandates regular public health monitoring.

County / District
Gwynedd

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

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