An anti-nuclear rally is being planned in French Polynesia on Saturday.
The ruling Union For Democracy is organising two marches, from the east and west of Papeete, with those taking part to meet outside the territorial assembly.
A member of the local Greens has told the Tahitinews website that the issue of nuclear tests in the Pacific is not over even if the tests have ended.
Karl Reguron says environmental and health problems remain, pointing also to the French compensation law, which he says is compensating nobody.
France carried out more than 180 nuclear weapons tests in the South Pacific, the last one in 1996.
Japan's Peace Boat, named after the NGO by the same name, is to be in port for the day.