He said many more people are feared missing from low-lying areas of Rohingya villages and IDP camps.
AFP footage from the area showed wooden fishing boats being splashed and piling up near the shore.
At least five people were killed and “some residents” were injured in Myanmar, the military junta said in an earlier statement without giving details.
It said that more than 860 houses and 14 hospitals or clinics were damaged across the country.
Communications were still poor on Monday with Sittwe, the capital of Rakhine state, home to about 150,000 people and which according to cyclone trackers bore the brunt of the storm.
AFP correspondents said hundreds of people who had taken refuge on higher ground were returning to the city through a road littered with trees, pylons and power lines.