Officials said the rescue could take four days to complete.
Nine boys, between the ages of 11 and 16, and their 25 year old soccer coach are still inside the cave waiting to be rescued.
Nopparat, the team's head coach, said that Ekapol would often bring the boys to and from their homes when their parents could not, saying, "He gave a lot of himself to them".
The boys, who had no diving experience, navigated through 5km of complex passageways, including a total of 1km of submerged parts escorted by the divers, said Mr Narongsak.
According to a document released by the Thai authorities, the operation has involved two divers accompanying each of the teenagers, who are being brought out in groups.
Alluding to that worry, the regional army commander offered his thanks Monday to the rain god Phra Pirun, imploring him to "keep showing us mercy". "We have to quarantine them for a little while due to fear of infection".
Thailand's Meteorological Department said there was a 60 percent chance of rain Monday with thunderstorms forecast throughout the week. "If I ask too much, he might not provide it".
He told reporters the four rescued boys were taken to the hospital in the town of Chiang Rai, the provincial capital, for evaluation, and the next phase of the operation will resume after about 10-20 hours. When the lost group was located on July 2, rescue medics who reached them evaluated all the boys and their coach and divided them into three categories: red for critical condition, yellow for serious condition and green for stable condition.
"It's highly risky, it's very precarious and our thoughts are not only with the boys but also with the diving and rescue teams that are assisting", Ms Bishop told the Nine Network on Monday.
Thai public television has aired live video of a medivac helicopter landing close to a hospital in the city of Chiang Rai, near the site of the cave where a youth soccer team has been trapped for more than two weeks. "You don't need to be anxious about me".
"This morning they said they are hungry, and they wanted phad kra pao", he said.
The four boys rescued Sunday are recovering in a nearby hospital and are yet to see their parents.
Mission chief Narongsak Osatanakorn, the former governor of Chiang Rai province, said that rescuers were hoping to move as fast as possible before rains returned.
Bursts of heavy monsoon rain soaked the Tham Luang Cave area in northern Chiang Rai province on Sunday and storms were expected in coming weeks, increasing the risks in what has been called a "war with water and time" to save the team.
One cave explorer who has been inside the cave complex described it as a "labyrinth", adding it was much more hard to navigate than any other he had experienced. The boys were then taken to the eighth floor of the 14-story hospital, which was reserved for the rescued soccer players and their still-stranded teammates and coach.
The first boy made it out at 5.31pm (11.31am United Kingdom time), and at 7.47pm (1.47pm) the Thai navy SEALS announced: 'Fourth Wild Boar out of the cave!' The youngsters were assessed by medics at the cave entrance before being taken to hospital. It ended with their fighting cheer, adopted from the U.S. Navy: "Hooyah!"
Authorities had looked at many different ways to save the boys and their coach.
The rescue teams now need at least 10 hours to prepare for their next phase of the operation, involving about 90 divers in all, 50 of them from foreign countries, he said. The safety of the divers, who have meticulously planned the mission, is also paramount.
But Narongsak said earlier that mild weather and falling water levels in recent days had created optimal conditions for an underwater evacuation.