Two main roads out of the port are set to be blocked for 4 hours on Saturday, the environmentalist group stated.
The “No Food on a Dying Planet” motion on the Kent port is ready to be mirrored throughout the Channel by different Extinction Rebellion teams.
The Port of Dover stated it’s conscious of the protest and is working with police to minimise disruption.
Five million automobiles and nearly 12 million passengers go via Dover yearly, making it one of the busiest ports in Europe.
Chris Atkins, from Extinction Rebellion Dover, stated: “As local weather change develops, hundreds of thousands of unusual Britons will face the true and rising menace of meals shortages, starvation and hunger.
“Extreme storms and floods are already inflicting main crop failures the world over, with excessive temperatures additionally hitting livestock agriculture.
“This disaster could appear distant now however given the dependency of the UK on meals imports we’re extraordinarily weak.
“The authorities should inform the reality and act now.”
The protesters are assembly from 10am, with an Extinction Rebellion spokesman saying the group has assessed that holding the four-hour blockade between 11am and 3pm “will not cause any disruption to vital supplies” akin to medication.
He added: “Extinction Rebellion appreciates the blockade will directly affect ordinary people and businesses, but we feel the action is necessary in order to call the government to action.”
A spokesman for the Port of Dover stated: “We are aware of the protest plans and as a result, Port of Dover Police are working closely with Kent Police to ensure as minimal disruption as possible.”