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Aberystwyth South

Ceredigion, Wales
Good Water Quality
Data last verified: 12 Nov 2026

Aberystwyth South Beach boasts a picturesque shoreline with a mix of sand and shingle, set against the stunning backdrop of Cardigan Bay. With a consistently good water quality rating from Natural Resources Wales, visitors can enjoy swimming and water activities with confidence. During the summer months, the water temperature at Aberystwyth South Beach typically ranges from 15°C to 18°C.

2.9°C
Air Temp
6.5 mph
Wind Speed
Low Tide (1.23m)
in 2h 47m (03:40) • Spring Tide
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Live Water Quality

50
Pollution Risk
Not advised
• Updated 10 mins ago
Today's Conditions • Updated 10 mins ago

Lifeguards

Unknown
Help us verify

Air Temp

2.9°C
Comfortable

Weather

Partly cloudy
2.9°C

Tide

Low Tide (1.23m)
in 2h 47m (03:40) • Spring Tide

Water Quality

Good
Not advised

Pollution Alerts

Active Alert
Bathing not advised ↓

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
Good
Avg. Air Temp
2.9°C
Swimming
Not Recommended

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Athro Lounge
restaurant
4.8 • 120m away
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Reference Information

🌊 Live Tide Curve, Tidal Range & 7-Day Schedule

Harmonic astronomical predictions, tidal coefficients & flow rate

Spring Tide • Coeff 86
Current Water Level
Falling ↓ (2.36m)
59% through current tide cycle (LAT)
Upcoming High & Low
▲ High: 09:04 (4.51m • in 8h 11m)
▼ Low: 03:40 (1.23m • in 2h 47m)
Tidal Range & Coefficient
Range: 3.29m (Coeff 86/120)
Large tidal range — faster tidal currents and higher high water.
Current Tidal Flow
Peak Ebbing Flow
Rule of Twelfths: fastest flow occurs in mid-tide hours 3 & 4.
📈 24-Hour Harmonic Tide Curve (LAT)
Station: Aberystwyth
5.1m 3m 0.8m 23:0003:0007:0011:0015:0019:00 Low 03:40 (1.2m)High 09:04 (4.5m)Low 16:05 (1.2m)High 21:21 (4.2m) NOW
📅 7-Day High & Low Tide Table
Day High & Low Tides (Local Time) Tidal Range Coeff / Phase
Wed 11 Nov ▼ Low 15:34 (1.08m)▲ High 20:48 (4.42m) 3.34m Spring (87)
Today ▼ Low 03:40 (1.23m)▲ High 09:04 (4.51m)▼ Low 16:05 (1.22m)▲ High 21:21 (4.20m) 3.29m Spring (86)
Fri 13 Nov ▼ Low 04:07 (1.39m)▲ High 09:38 (4.34m)▼ Low 16:39 (1.38m)▲ High 21:56 (3.95m) 2.96m Coeff 78
Sat 14 Nov ▼ Low 04:38 (1.55m)▲ High 10:14 (4.12m)▼ Low 17:18 (1.56m)▲ High 22:34 (3.69m) 2.57m Coeff 69
Sun 15 Nov ▼ Low 05:15 (1.72m)▲ High 10:55 (3.88m)▼ Low 18:03 (1.71m)▲ High 23:19 (3.44m) 2.17m Coeff 59
Mon 16 Nov ▼ Low 06:03 (1.87m)▲ High 11:43 (3.65m)▼ Low 18:58 (1.82m) 1.83m Coeff 51
Tue 17 Nov ▲ High 00:15 (3.23m)▼ Low 07:02 (1.98m)▲ High 12:45 (3.48m)▼ Low 20:02 (1.86m) 1.62m Neap (46)
Reference Station: Aberystwyth • Model: FES2022 Global Ocean Model • Datum: LAT Tide predictions via TidesAtlas
Next 4 Tides
Spring Tide
Low 03:40 1.23m
High 09:04 4.51m
Low 16:05 1.22m
High 21:21 4.20m
Current: Falling (2.36m) • Peak Ebbing Flow
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
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
1988

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

County / District
Ceredigion

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

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