It could have been made by the wind's caprice, shaped by some invisible geography, like water breaking over a hidden reef.

A fear much like that of an experienced seaman sensing hidden reefs and treacherous currents.

The hidden reefs that lie in a semicircle about two or three leagues from shore make the attempt to land a very dangerous piece of business.

Some hours later the frigate struck a hidden reef and grounded, sustaining severe damage to her hull.

Forward a young seaman cast his lead into the waves, calling out the changes in depth as they passed over the hidden reef.

Somewhere in the direction of the ocean lay the hidden reef that served as protection to Pernambuco's harbor.

Accidents in the area were quite often due to hidden reefs.

One night the frigate strikes a hidden reef and her captain and crew are shipwrecked on a desert island.

The ruins of several vessels that crashed into the hidden reef can be found there, representing a range of periods and styles.

He looked toward the hidden reef.