Morfa Dinlle


Morfa Dinlle
© Geograph

Water Quality

Annual classification

2018 Excellent

Today's forecast

Forecasts are not available for this location.

A large expanse of beach with vast areas of sand. The foreshore consists of natural pebble banks. Exceptional views towards the Llyn Peninsula (Penrhyn Llyn) and towards Llanddwyn Island (Ynys Llanddwyn) on Anglesey. There is a holiday park and Caernarfon Airport and cafe are near the beach.


The beach is used for swimming, scuba diving, surfing, sea canoeing, sailing, jet skiing, windsurfing, power boating, fishing and snorkeling. A craft exclusion zone is enforced. There are 2 slipways for boat launching.

Wildlife and Walks

The beach is close to the Marine Local Nature Reserve at the Afon Foryd Estuary. Traffic free cycle and walking tracks are close by. The gorgeous Snowdonia National Park is a stones throw away and North Wales Wildlife Trust’s Caeau Tan y Bwlch Reserve is not far to the south.

What's tested here?

Water samples are taken at this designated bathing water by Natural Resources Wales, 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

2018 Excellent

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.

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
Deep shelving beach Deep shelving beach

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 Dinlle

Campsite Campsite Food Food Toilets Toilets Shops Shops Bins Bins Slipway Slipway



There is a car park by the beach.

Dog restrictions


Dogs not allowed May 1st to September 30th.

Beach cleaning

Beach cleaned daily


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