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Southwick

Adur, South East
Excellent Water Quality
Data last verified: 12 Nov 2026

Southwick's coastal beach offers a picturesque setting with soft sand and shingle, backed by rolling hills. The Environment Agency has rated the water quality as Excellent, ensuring a safe and enjoyable swim this summer. Typical summer water temperatures hover around 18°C, making it perfect for a refreshing dip.

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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
Help us verify

Air Temp

8°C
Comfortable

Weather

Partly cloudy
8°C

Tide

Low Tide (1.22m)
in 5h 32m (06:25) • Spring Tide

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
8°C
Swimming
Highly recommended

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Carats Cafe Bar on the beach
cafe
4.8 • 120m away
Port Kitchen at Shoreham Port
cafe
4.8 • 120m away
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Off The Beach Cafe
cafe
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 ↓ (5.75m)
8% through current tide cycle (LAT)
Upcoming High & Low
▲ High: 12:33 (5.78m • in 11h 39m)
▼ Low: 06:25 (1.22m • in 5h 32m)
Tidal Range & Coefficient
Range: 4.66m (Coeff 86/120)
Large tidal range — faster tidal currents and higher high water.
Current Tidal Flow
Moderate Ebbing Flow
Rule of Twelfths: fastest flow occurs in mid-tide hours 3 & 4.
📈 24-Hour Harmonic Tide Curve (LAT)
Station: Portslade
6.6m 3.6m 0.5m 23:0003:0007:0011:0015:0019:00 Low 06:25 (1.2m)High 12:33 (5.8m)Low 18:43 (1.1m) NOW
📅 7-Day High & Low Tide Table
Day High & Low Tides (Local Time) Tidal Range Coeff / Phase
Wed 11 Nov ▼ Low 18:11 (0.95m) --
Today ▲ High 00:23 (5.83m)▼ Low 06:25 (1.22m)▲ High 12:33 (5.78m)▼ Low 18:43 (1.12m) 4.71m Spring (87)
Fri 13 Nov ▲ High 00:55 (5.66m)▼ Low 06:59 (1.42m)▲ High 13:03 (5.55m)▼ Low 19:15 (1.33m) 4.33m Coeff 79
Sat 14 Nov ▲ High 01:26 (5.46m)▼ Low 07:36 (1.62m)▲ High 13:35 (5.30m)▼ Low 19:51 (1.55m) 3.91m Coeff 69
Sun 15 Nov ▲ High 02:01 (5.25m)▼ Low 08:17 (1.83m)▲ High 14:12 (5.05m)▼ Low 20:33 (1.76m) 3.49m Coeff 59
Mon 16 Nov ▲ High 02:42 (5.03m)▼ Low 09:08 (2.00m)▲ High 14:57 (4.81m)▼ Low 21:27 (1.95m) 3.08m Coeff 50
Tue 17 Nov ▲ High 03:33 (4.83m)▼ Low 10:13 (2.11m)▲ High 15:55 (4.61m)▼ Low 22:36 (2.05m) 2.78m Neap (43)
Reference Station: Portslade • Model: Harmonic Port Transfer (Shoreham-By-Sea) • Datum: LAT Tide predictions via TidesAtlas
Next 4 Tides
Spring Tide
Low 06:25 1.22m
High 12:33 5.78m
Low 18:43 1.12m
High 00:55 5.66m
Current: Falling (5.75m) • Moderate 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
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
Southern Water Services Limited

Southern Water Services 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
Adur

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

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