choppy

His post was accompanied by a grainy aerial video showing a motor boat speeding across choppy waters before it bursts into flames.

Rip currents can be difficult to spot, but are sometimes identified by a channel of churning, choppy water on the sea's surface.

And if talks between the world's two biggest economies falter, global trade could still be heading for choppy waters in the months ahead.

The water’s likely to get much choppier in the afternoon.

Saturday, after someone had reported 10 people in the water, which had become dangerously cold and choppy.