To turn a ship into the wind so as to stop forward motion. In this usage, the past tense of "heave" is "hove." We need to heave to with those nasty storm clouds on the horizon!
heave to
to stop a sailing ship by facing it directly into the wind. The captain gave the order to heave to.The ship hove to and everyone had a swim.
heave to
v.
To steer a sailing ship directly into the wind so that it stops sailing, especially in order to face a storm or to make repairs: We hove to so that we could change the torn sail.