The movie will see a mid-week Wednesday release and is tracking for a five-day total of $26 million or more.
The Meg rode the last wave of summer blockbuster action this past weekend and brought in a much better than expected $45.4 million haul.
The giant shark extravaganza is likely to surrender the box office crown as the highly-anticipated and critically-acclaimed romantic comedy Crazy Rich Asians rolls into theaters.
This is the first American movie to feature an all Asian cast since The Joy Luck Club in 1993.