Wild video shows the moment the windsurfer crashes right into a gray whale as it surfaces directly into his path. The man topples off the board, and the sail collapses into the water, while the whale disappears back into the bay.The windsurfer appears stunned but unharmed by the incident.

SAN FRANCISCO —

Wild video shows the moment the windsurfer crashes right into a gray whale as it surfaces directly into his path.

The man topples off the board, and the sail collapses into the water, while the whale disappears back into the bay.

The windsurfer appears stunned but unharmed by the incident.