Origin of head sea
Examples from the Web for head sea
To stop the hawse-holes when the cables are unbent, and the ship plunges in a head-sea.
When a ship rides at anchor in a head-sea, the waves of which frequently break in upon her, they are said to over-rake her.
The head-sea, in little, splashy waves, began to fill my canoe.Voyage of the Paper Canoe|Nathaniel H. Bishop
Pitching heavily to a head-sea, and making but little head-way.
Looking for a temporary subsidence of the waves of a head-sea, previous to easing down the helm, in tacking ship.