Tambar Øst is a field in the southern part of the Norwegian sector in the North Sea, two kilometres east of the Tambar field. The water depth is 70 metres. Tambar Øst was discovered in 2007. In the same year, the authorities granted an exemption for the plan for development and operation (PDO) and the field started production. The field has been developed with one production well drilled from the Tambar facility.