was in good company on the links Saturday morning ... escaping the D.C. cold at his private Florida golf course with the 2 best golfers on the planet -- Tiger Woods and Jack Nicklaus.
POTUS tweeted a pic of the trio at the Trump National Golf Club in Jupiter ... saying it was a "great morning" with the 2 golf legends.
Trump and Woods are no strangers on the golf course ... they also played together in Jupiter with Dustin Johnson in November 2017.
Trump has golfed with a bunch of celebrities in the past .