The RNLI Padstow all-weather and Rock D class inshore lifeboats were used to rescue four adults and three children on Butter Hole beach in Padstow.
A cliff walker spotted the words "send for help" written in the sand.
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A dry and fine few days to come with some sunshine for the rest of today and into tomorrow, but things will turn cloudier from midweek.
Home energy use is responsible for around 25% of carbon emissions in Britain.
Dry, fine and cold to start. Becoming cloudy and less chilly.