Watchet is a harbour town, civil parish and electoral ward in the county of Somerset, England, with a population in 2011 of 3,785. It is situated …Watchet is a harbour town, civil parish and electoral ward in the county of Somerset, England, with a population in 2011 of 3,785. It is situated 15 miles west of Bridgwater, 15 miles north-west of Taunton, and 9 miles east of Minehead. The town lies at the mouth of the Washford River on Bridgwater Bay, part of the Bristol Channel, and on the edge of Exmoor National Park.