Morfa Bychan - Black Rock Sands


Morfa Bychan - Black Rock Sands
© Geograph

Water Quality

Annual classification

2018 Not tested

Today's forecast

Forecasts are not available for this location.

Backed by Snowdonia National park and on an estuary, this is an area of sand with dunes at the northern edge of the mouth of Tremadog Bay.


Golf, boating and birdwatching are popular here.

Wildlife and Walks

The extensive intertidal area provides a feeding ground for various bird species. North Wales Wildlife Trust’s Morfa Bychan & Greenacres reserve is here.

What's tested here?

Water samples are not taken at this beach because it has not been designated as a bathing water and there is no voluntary sampling.
Why isn't this a designated bathing water?

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

2018 Not tested

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.


This Weather Widget is provided by the Met Office

Tide times

Potential hazards at this beach

This beach is not yet classified, please see our safety tips below or contact the local beach operator for further information.

Lifeguarded locations - top five safety tips

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

For more information visit

Facilities at Morfa Bychan - Black Rock Sands

Campsite Campsite Food Food Slipway Slipway



Parking available on the beach.

Dog restrictions


Restrictions apply.

Beach cleaning

No current information


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