Possible Clues:

• City of S. Wales
• Pens, perhaps, article on English or Welsh city
• Graceful birds close to shore, first to arrive in Welsh city
• Port area featured in news broadcast in South Africa
• What may fly in V-formation over each city
• South West's answer to East Anglia's capital city
• Old paramilitaries, each drinking pale port
• S. Wales city
• Ecstasy, a win! (anag)
• Rough seas engulf Welsh capital, an important city