The UK heatwave has caused a rare all-day sea mist in Newquay, Cornwall. The natural spectacle is caused by hot air condensing into the fog when transported over much colder seawater.

"Fog banks persist throughout a hot day obscuring then revealing coastal features", said Robert, the filmer of this clip. "Sea fog is unusual on the Atlantic coasts of Britain".

The heatwave cause unusual weather spectacle on Cornish coast. Fog banks persist throughout a hot day obscuring then revealing coastal features. Caused by hot air over the landmass trapping moisture which condenses into fog when transported over much colder seawater. Sea fog is unusual on the Atlantic coasts of Britain. Newquay Island Cornwall UK