Come over to Truro and witness a unique phenomenon in the World - the Tidal Bore!
"A tidal bore, often simply given as bore in context, is a tidal phenomenon in which the leading edge of the incoming tide forms a wave (or waves) of water that travels up a river or narrow bay against the direction of the river or bay's current." (Source = Wikipedia)
The link below will give you the arrival times of the tidal bore (we suggest that you were on site 10 to 15 minutes in advance):
Directions to the "Tidal Bore Visitor Centre" (located at 104 Tidal Bore Road, Lower Truro) can be found below: