Harlyn Bay

19.9°C Water temp · Aug 2

United Kingdom Coastal 1 - Excellent 19.9°C

Satellite view of Harlyn Bay — Satellite © Esri

Harlyn Bay is on the north coast of Cornwall. It is a large fairly remote sandy beach, approximately 770 metres wide, backed by sand dunes and cliffs. The Harlyn Stream flows across the beach. Harlyn Bay is a very popular family and surfing beach and is suitable for novice surfers.

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Water

Coastal bathing water

Location

Cornwall

Season

Designated bathing water since 1988. Official monitoring season runs from May to September.

Water Quality

Excellent (2025). Assessed under rBWD

Risks

There is an emergency/storm overflow from the Harlyn Bay pumping station, that discharges to the Harlyn Stream 70m upstream of Harlyn Bay bridge. The operation of the overflow can lead to a temporary drop in water quality in the Harlyn Stream and Harlyn Bay bathing water.
This bathing water is included in the Surfers Against Sewage “Safer Seas Service”. This service can alert you to Combined Storm Sewer Overflow discharges via a phone App and in addition, it includes the Environment Agency Pollution Risk Forecast warnings where they are available. Further details of the service can be found at - http://www.sas.org.uk/safer-seas-service/