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Southsea East

City of Portsmouth, South East
Poor Water Quality
Data last verified: 12 Nov 2026

Southsea East, a charming stretch of coastline in Portsmouth, boasts a scenic shoreline of sand and shingle, perfect for sunbathing and water activities. However, its official water quality rating is a concern, classified as Poor by the Environment Agency. During the summer months, the water temperature is expected to reach around 18°C, making it a refreshing spot for a dip.

8.5°C
Air Temp
11.2 mph
Wind Speed
Low Tide (1m)
in 4h 57m (05:52) • Spring Tide
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Live Water Quality

30
Poor
Not advised
• Updated 10 mins ago
Today's Conditions • Updated 10 mins ago

Lifeguards

Unknown
Help us verify

Air Temp

8.5°C
Comfortable

Weather

Partly cloudy
8.5°C

Tide

Low Tide (1m)
in 4h 57m (05:52) • Spring Tide

Water Quality

Poor
Not advised

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
Poor
Avg. Air Temp
8.5°C
Swimming
Highly recommended

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Reference Information

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

Harmonic astronomical predictions, tidal coefficients & flow rate

Spring Tide • Coeff 88
Current Water Level
Falling ↓ (4.09m)
9% through current tide cycle (LAT)
Upcoming High & Low
▲ High: 12:34 (4.21m • in 11h 40m)
▼ Low: 05:52 (1.00m • in 4h 57m)
Tidal Range & Coefficient
Range: 3.37m (Coeff 88/120)
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: South Hayling (5.52 km)
4.8m 2.6m 0.4m 23:0003:0007:0011:0015:0019:00 Low 05:52 (1.0m)High 12:34 (4.2m)Low 18:12 (0.8m) NOW
📅 7-Day High & Low Tide Table
Day High & Low Tides (Local Time) Tidal Range Coeff / Phase
Wed 11 Nov ▼ Low 17:36 (0.77m) --
Today ▲ High 00:25 (4.15m)▼ Low 05:52 (1.00m)▲ High 12:34 (4.21m)▼ Low 18:12 (0.84m) 3.37m Spring (88)
Fri 13 Nov ▲ High 01:01 (4.10m)▼ Low 06:29 (1.12m)▲ High 13:10 (4.10m)▼ Low 18:49 (0.94m) 3.16m Coeff 82
Sat 14 Nov ▲ High 01:39 (4.03m)▼ Low 07:07 (1.27m)▲ High 13:48 (3.97m)▼ Low 19:27 (1.09m) 2.94m Coeff 76
Sun 15 Nov ▲ High 02:19 (3.93m)▼ Low 07:47 (1.45m)▲ High 14:29 (3.81m)▼ Low 20:07 (1.28m) 2.65m Coeff 68
Mon 16 Nov ▲ High 03:05 (3.80m)▼ Low 08:30 (1.66m)▲ High 15:17 (3.65m)▼ Low 20:53 (1.51m) 2.29m Coeff 58
Tue 17 Nov ▲ High 04:04 (3.67m)▼ Low 09:22 (1.87m)▲ High 16:23 (3.51m)▼ Low 21:53 (1.71m) 1.96m Neap (48)
Reference Station: South Hayling • Model: Harmonic Port Transfer (Portsmouth) • Datum: LAT Tide predictions via TidesAtlas
Next 4 Tides
Spring Tide
Low 05:52 1.00m
High 12:34 4.21m
Low 18:12 0.84m
High 01:01 4.10m
Current: Falling (4.09m) • 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
Poor

Water quality regularly fails to meet safe bathing standards. Swimmers face an elevated risk of stomach infections or skin rashes due to high bacterial loads.

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
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
City of Portsmouth

Governed under local district sanitation and environmental safety regulations in the City of Portsmouth area.

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