With excellent weather over southern Britain forecast for the 13th, today saw attempts to soften up the defences. Dover Chain Home station was damaged and more severe harm was caused at Ventnor. Manston airfield was temporarily put out of action and there was serious damage in Portsmouth.

Amongst the RAF casualties was Sergeant Sydney Stuckey, who had served in France with No 73 Squadron before transferring to No 213 Squadron. Today he did not return from an action over the Channel. He is commemorated on panel 20 of the Runnymede Memorial