Before a saccade.

Prior to a saccadic phase

In a presaccadic manner

Before a sabbatical.

Prior to a sacrifice.

Before a sacrifice.

Full of presages; ominous.

One who, or that which, presages; a foreteller; a foreboder.

A warning of a future event; an omen. / An intuition of a future event; a presentiment.

(transitive) To predict or foretell something. / (intransitive) To make a prediction. / (transitive) To have a presentiment of; to feel beforehand; to foreknow.