The floor seemed to roll beneath us like an ocean swell.
The sea was pretty calm while the island protected it from the ocean swell.
It was hard to do anything because the ocean swells were throwing him off balance.
The ocean swells were bad here, large, as if blown by a storm.
"When the sky is closed up, you pay close attention to the direction of ocean swells," he said.
Further, they are not damped by sea ice as normal ocean swell is.
There for only a second, then gone, as though it had settled behind an ocean swell.
The boat rocked upon an ocean swell and shipped water.
He breathed in deeply, raising her head as though on an ocean swell.
These ocean swells reach the shore with most of their energy intact.