West Mersea


West Mersea
© Geograph

Water Quality

Annual classification

2017 Sufficient

Today's forecast

Forecasts are not available for this location.

Data provided by the Environment Agency

Mersea is a small Island connected to the mainland by a causeway. The beach is backed by grassland and has plenty of beach huts with views over the Blackwater estuary.


Swimming is possible for confident swimmers. A popular spot for windsurfers. There are children’s playgrounds near the beach. Horse riders are welcome but must stay below the tide line.

Wildlife and Walks

There are various footpaths around the island with the eastern end offering quieter, open and sandy beaches. Colne Estuary National Nature Reserve is to the east - a large reserve of saltmarsh at the mouth of the Colne Estuary - it is an important nesting site for Little Terns.

What's tested here?

Water samples are taken at this designated bathing water by the Environment Agency, during the bathing season, 15th May to 30th September.
Find out more about designated bathing waters.

High levels of bacteria in the water can indicate pollution from sewage treatment works or polluted rain water draining from the land.
Where does pollution comes from and how can you help?

Water quality can be reduced for up to 72 hours after heavy rain. Look out for temporary signs at the beach and on our website.

Annual classification

2017 Sufficient

What does this mean?

At the end of every bathing season the water quality is classified as either:

Excellent — the highest classification meaning the water is cleanest

Good — generally good water quality

Sufficient — meets minimum standards

Poor — You are advised not to swim. The beach will stay open and an action plan should be in place to improve the water quality.

Today's forecast

Forecasts are not available for this location.

Data provided by the Environment Agency
More information about potential pollution sources and improvement plans.


This Weather Widget is provided by the Met Office

Tide times

Potential hazards at this beach

Strong currents Strong currents
Tidal cut-off Tidal cut-off

Lifeguarded locations - top five safety tips

Non-lifeguarded locations For those who can’t make it to a lifeguarded beach

For more information visit rnli.org.uk.

Facilities at West Mersea

Food Food Toilets Toilets Shops Shops



Parking available behind the beach, just off Victoria Esplanade.

Dog restrictions


Dogs are welcome all year round.

Beach cleaning

No current information