When Solo slides into the wave troughs, the sun dips to the horizon.

Converging wave troughs can also form a canyon into which we could plunge.

Daryth suddenly popped to the surface in the wave trough, and Tristan could see that his hands were empty.

There was a square slab, looking just like the top of a subterranean pillar, breaking the surface in the deeper wave troughs.

In a wave trough I caught a glimpse of a coral head to port: a little too close for comfort.

Suddenly Nir-gal felt happy, despite the unease in his stomach during the deceleration at the bottom of every wave trough.

The storm headed to the northwest, and looped in response to the approach of a long wave trough.

His own ships would have wallowed in a wave trough but the Tsubasa's sleek shape sliced through the waves.

Suddenly, the launch plunged into a wave trough.

The foil broke the surface in a long wave trough that crested under them.