The whole office now going up and down like a ship on a heavy sea.

But such people had never seen a ship at anchor in a high and a heavy sea.

A moment only, and they sped away through the heavy sea.

George could get no closer than 100 feet of them due to the heavy seas.

"Ship that size couldn't hold together in a heavy sea."

The forward three tended to be wet in a heavy sea.

By nightfall a heavy sea began to make from the west.

Swimming in the heavy sea of memory, he thinks, But there must be an answer.

At that point a heavy sea struck her and she filled rapidly with water.

As night drew on, the wind increased in violence, with a remarkably heavy sea.