Power utility EDM said power supplies were shut down as the cyclone uprooted some electricity poles thereby damaging power lines.
Also walls around low-lying buildings collapsed, swaths of land were flooded and vehicles were submerged in water in Beira.
South Africa, Botswana, Zimbabwe and Eswatini have also been impacted by the recent rains.
The KwaZulu-Natal Co-operative Governance and Traditional Affairs (Cogta) Department has advised communities in Jozini, Mtubatuba, Ulundi and Umlalazi areas and its surroundings to be vigilant over the stormy weather.
Cogta spokesperson Nonala Ndlovu
said
“We are trying as hard as we can to make sure that people predicted to be on the path on that storm are moved.
Those that can be moved so that when the storm hits, they are not severely affected”
Cyclone Eloise originated close to Madagascar where, there was at least one death, swamped settlements and displacement.