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.
More top news
The whole region staying clear overnight with warm temperatures.
Temperatures remain high up to 12C inland.
Until now the ground has just been too waterlogged to let them out to graze.