Mr Ma'u said people whose homes were inundated on 'Eua and also around Tongatapu's Fanga'uta Lagoon, had been rehoused in tents and supplied with kitchen equipment.
Sixteen houses on 'Eua and a number on the main island had been reported destroyed.
On Ha'apai, the road to the airport and a vital causeway link, which had been impacted and eroded by a series of storms earlier in the year, suffered further damage.
Ma'u said the biggest impact from the cyclone was the sea surge, which had been put at three metres.
He said the impact of the surge on several resorts on the west of Tongatapu was huge with the repair bill likely to run into the millions.
Some plantations suffered significant wind damage but Ma'u wasn't expecting food supply to be an issue at this stage.
Red Cross focused on housing
Meanwhile the local Red Cross Society was focussing on meeting the needs of homeowners on Tongatapu and 'Eua whose houses were wrecked.
A number of people on 'Eua, and around the lagoon on the main island, had received tents, cooking utensils and solar electricity units.
General secretary Sione Taumoefolau said in some cases people were able to use tarpaulins to provide temporary cover but many of the houses had been completely destroyed.
He said they would be relying on the Red Cross in Australia and New Zealand to replenish stocks they had already handed out.
