[1] The 76-lap race was won by Canadian driver Gilles Villeneuve, driving a Ferrari.
Brazilian Nelson Piquet took pole position in his Brabham-Ford and led until he crashed out on lap 54.
Australian Alan Jones finished second in a Williams-Ford, with Frenchman Jacques Laffite third in a Ligier-Matra.
Water then seeped through the floors of the hotel and into the tunnel, delaying the race for an hour.
Championship leader Carlos Reutemann retired with gearbox problems, breaking a 15-race streak of consistently finishing in the points.