All Skybus flights to and from Lands End and Newquay have been cancelled due to low cloud.
Scillonian III will be sailing tomorrow to allow Skybus passengers the opportunity of travelling over to the Isles of Scilly.
The ship will depart Penzance at 9.30am.
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Jeremy Corbyn's visit has been one of the big talking points of another busy day at Glastonbury.
The Labour leader said socialist politics would not be put "back in a box" as he appeared on stage at the festival.
Turning windier with a few showers