And try not to think what's out there below the surface of the sea.

However, it could be found at the sea surface in winter.

His cry was cut short as he hit the cold, dark surface of the sea.

He read the surface of the sea with an experienced eye.

Most islands are low and close to the sea surface.

They swim at the surface of the sea in the early morning.

He was less than 500 meters above the surface of the sea.

The temperature of the sea surface is about 25C all year round.

Sometimes he appears on the surface of the sea, but his head is so big that it looks like an island.

He fought upon the surface of the sea and in the sky.