Despite being out of control, the fire is rated at a watch and act level.
More hot weather is on its way with no relief in sight as much of NSW continues to bake under severe heatwave conditions and firefighters continue to battle blazes across the state.
The Royal National Park in Sydney's south will remain closed on Monday as firefighters battle a blaze.
The blaze, which appears to have been deliberately lit on Saturday, has burnt through more than 600 hectares.
Collins, Isakson and Perdue push pro-life message during March for Life
Trump remarked that Americans are more pro-life than ever, and that only 12 percent support abortion on demand at any time. He said the group hopes to send a message to the nation's leaders, particularly the U.S.
Firefighters continued to fight the fire overnight, and were successful in extinguishing a smaller fire in the same park just before 9pm.
'There are a number of boats being utilised by surf lifesavers, NSW Police Force and some private citizens that are picking some people up from beaches in the area, ' RFS spokesman James Morris said earlier in the evening.
Embers are believed to have caused a second fire nearby on Sir Bertram Stevens Drive at Flat Rock.
Emergency alert telephone warnings are being sent to those in the area.
'Tis the (flu) season
Doctors and public health officials plan on addressing this season's rampant outbreak of the flu on Friday. The widely circulating flu strain, H3N2, can be detrimental to children and the elderly.
Firefighters took advantage of easing conditions overnight to strengthen containment lines ahead of worsening conditions on Monday, the NSW Rural Fire Service said.
Authorities have said beaches may provide safety for people who are unable to leave and the park is now closed to the public.
Across the state, eight fires are being brought under control and eight fires are burning out of control, including two large ones in the state's north.
A bushfire in the Pilliga Forest near Narrabri has burned through approximately 48,000 hectares, with aircraft being brought in to assist in controlling that blaze.
Trump insists views on border wall with Mexico 'have not evolved'
During his presidential campaign, Trump made it a mantra to promise to build a "beautiful" wall that would be paid for by Mexico . Seven of Trump's eight border-wall prototypes seen near completion along the US-Mexico border near San Diego on October 23.
Fireys are also paying close attention to a large bushfire at Dandry in the state's north that has burnt through more than 51,000 hectares.