Both girls were knocked flat almost the instant they stepped out into the rear cockpit.

They were picked up an instant afterwards, only to be hurled against the deck house by a second wave.
Neither girl screamed; for a moment or two they were too nearly drowned to speak.

The rear end of the boat being driven up on the shore, the forward end lay several inches lower.

The lower deck in that part of the boat was entirely under water.
"What are we going to do about it ?" gasped Jane finally.
Harriet was groping about on the deck, her head under water a good part of the time.
"I've found it," she cried.
"Found what ?" demanded Miss McCarthy.
"The cleats." "Well, what are they ?" "Maybe our last hope.

Climb up to the top.