The Tynesiders made the 750-mile round trip reasonably fresh, having had no game last weekend, but almost conceded early on, but Alex Davey`s header bounced back off the crossbar.
But on 27 minutes, the visitors went ahead, slightly against the run of play, when Jordan Preston beat Vincent Dorel after a breakaway.
The Gulls` keeper prevented Gateshead from going two-up just before half-time when he saved well from Danny Johnson
As the second half wore on, it was looking more and more likely that the Heed would reward the handful of hardy fans who made the six-hour journey and 90 minutes in the freezing cold with all three points.
However, as stoppage time ticked in, Sean McGinty grabbed an equaliser for the hosts when he managed to head past Dan Hanford following a corner.