NSW Rural Fire Service (RFS) has issued an urgent message to residents in the Mid Coast LGA.
Fire conditions on Tuesday were expected to be similar or worse than those experienced on Friday.
Mid Coast district officer, Stuart Robb said the risk of the current fires flaring and breaching containment is real.
People in the area need to remain vigilant over coming days but be aware that the risk on Tuesday is greater than we have seen to date, he said.
There are large sections of unburnt vegetation with in containment lines across many fire grounds.
It is expected that as the fire danger index rises, these fires are likely become active again.
This will increase the risk of breaches of containment.
"Even if your plan is to leave early, the more you prepare your home, the more likely it will survive a bush fire or ember attack.
"A well prepared home can also be easier for you or firefighters to defend, and is less likely to put your neighbours' homes at risk.
"A well prepared home will also give you more protection if a fire threatens suddenly and you cannot leave."
Mr Robb said it was important to keep up to date.
Download the Fires Near Me app, which publishes information about new fires and major fire updates, and set up a watch area.
"There will never be as many fire trucks as there are houses.
"We do have a lot of resources moving across fire grounds, but these have been stretched.
"Do not depend on a fire truck being available at your home.
"Preparation is the key."
Multi-agency firefighting arrangements continue across all fire grounds in the Mid Coast and Port Macquarie Hastings LGAs.
"Our emergency service partners and firefighting agencies are working closely to co-ordinate support for fire affected communities.
"We thank the community for their ongoing support and patience as the fire emergency continues.
"As the weather continues to deteriorate, it is likely that the disruptions will continue and this may include road closures. effects on power and telecommunications infrastructure.
"We can assure the community that we are working hard to restore normality to the community'.
- Take time today to prepare your property and check in with your neighbours. Preparation is a community responsibility
- During a bush fire, Alert Levels are used to give you an indication of the level of threat from a fire.
- Don't wait for a warning. Over coming days' fires may start and spread so quickly there may not be any time for a warning.
- If you get a Bush Fire Alert, you must take it seriously. Failure to take action can result in death or injury to you or your family members.